diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/pinctrl/Makefile | 4 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-nomadik-db8500.c | 857 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-nomadik.c | 1780 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-nomadik.h | 77 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-tegra.c | 236 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-tegra.h | 23 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-tegra20.c | 40 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-tegra30.c | 40 | ||||
| -rw-r--r-- | drivers/pinctrl/spear/Kconfig | 34 | ||||
| -rw-r--r-- | drivers/pinctrl/spear/Makefile | 7 | ||||
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-spear.c | 354 | ||||
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-spear.h | 142 | ||||
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-spear300.c | 708 | ||||
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-spear310.c | 431 | ||||
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-spear320.c | 3468 | ||||
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-spear3xx.c | 588 | ||||
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-spear3xx.h | 92 |
18 files changed, 8767 insertions, 126 deletions
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 91c1f64102f0..c6e6ae0aa3b1 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -80,6 +80,16 @@ config PINCTRL_IMX28 select PINCONF select PINCTRL_MXS +config PINCTRL_NOMADIK + bool "Nomadik pin controller driver" + depends on ARCH_U8500 || ARCH_NOMADIK + select PINMUX + select PINCONF + +config PINCTRL_DB8500 + bool "DB8500 pin controller driver" + depends on PINCTRL_NOMADIK && ARCH_U8500 + config PINCTRL_PXA168 bool "PXA168 pin controller driver" depends on ARCH_MMP @@ -127,6 +137,8 @@ config PINCTRL_COH901 COH 901 335 and COH 901 571/3. They contain 3, 5 or 7 ports of 8 GPIO pins each. +source "drivers/pinctrl/spear/Kconfig" + endmenu endif diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 515e32ff1597..8c074376cdea 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -18,6 +18,8 @@ obj-$(CONFIG_PINCTRL_MMP2) += pinctrl-mmp2.o obj-$(CONFIG_PINCTRL_MXS) += pinctrl-mxs.o obj-$(CONFIG_PINCTRL_IMX23) += pinctrl-imx23.o obj-$(CONFIG_PINCTRL_IMX28) += pinctrl-imx28.o +obj-$(CONFIG_PINCTRL_NOMADIK) += pinctrl-nomadik.o +obj-$(CONFIG_PINCTRL_DB8500) += pinctrl-nomadik-db8500.o obj-$(CONFIG_PINCTRL_PXA168) += pinctrl-pxa168.o obj-$(CONFIG_PINCTRL_PXA910) += pinctrl-pxa910.o obj-$(CONFIG_PINCTRL_SIRF) += pinctrl-sirf.o @@ -26,3 +28,5 @@ obj-$(CONFIG_PINCTRL_TEGRA20) += pinctrl-tegra20.o obj-$(CONFIG_PINCTRL_TEGRA30) += pinctrl-tegra30.o obj-$(CONFIG_PINCTRL_U300) += pinctrl-u300.o obj-$(CONFIG_PINCTRL_COH901) += pinctrl-coh901.o + +obj-$(CONFIG_PLAT_SPEAR) += spear/ diff --git a/drivers/pinctrl/pinctrl-nomadik-db8500.c b/drivers/pinctrl/pinctrl-nomadik-db8500.c new file mode 100644 index 000000000000..8b2022276f71 --- /dev/null +++ b/drivers/pinctrl/pinctrl-nomadik-db8500.c @@ -0,0 +1,857 @@ +#include <linux/kernel.h> +#include <linux/pinctrl/pinctrl.h> +#include "pinctrl-nomadik.h" + +/* All the pins that can be used for GPIO and some other functions */ +#define _GPIO(offset) (offset) + +#define DB8500_PIN_AJ5 _GPIO(0) +#define DB8500_PIN_AJ3 _GPIO(1) +#define DB8500_PIN_AH4 _GPIO(2) +#define DB8500_PIN_AH3 _GPIO(3) +#define DB8500_PIN_AH6 _GPIO(4) +#define DB8500_PIN_AG6 _GPIO(5) +#define DB8500_PIN_AF6 _GPIO(6) +#define DB8500_PIN_AG5 _GPIO(7) +#define DB8500_PIN_AD5 _GPIO(8) +#define DB8500_PIN_AE4 _GPIO(9) +#define DB8500_PIN_AF5 _GPIO(10) +#define DB8500_PIN_AG4 _GPIO(11) +#define DB8500_PIN_AC4 _GPIO(12) +#define DB8500_PIN_AF3 _GPIO(13) +#define DB8500_PIN_AE3 _GPIO(14) +#define DB8500_PIN_AC3 _GPIO(15) +#define DB8500_PIN_AD3 _GPIO(16) +#define DB8500_PIN_AD4 _GPIO(17) +#define DB8500_PIN_AC2 _GPIO(18) +#define DB8500_PIN_AC1 _GPIO(19) +#define DB8500_PIN_AB4 _GPIO(20) +#define DB8500_PIN_AB3 _GPIO(21) +#define DB8500_PIN_AA3 _GPIO(22) +#define DB8500_PIN_AA4 _GPIO(23) +#define DB8500_PIN_AB2 _GPIO(24) +#define DB8500_PIN_Y4 _GPIO(25) +#define DB8500_PIN_Y2 _GPIO(26) +#define DB8500_PIN_AA2 _GPIO(27) +#define DB8500_PIN_AA1 _GPIO(28) +#define DB8500_PIN_W2 _GPIO(29) +#define DB8500_PIN_W3 _GPIO(30) +#define DB8500_PIN_V3 _GPIO(31) +#define DB8500_PIN_V2 _GPIO(32) +#define DB8500_PIN_AF2 _GPIO(33) +#define DB8500_PIN_AE1 _GPIO(34) +#define DB8500_PIN_AE2 _GPIO(35) +#define DB8500_PIN_AG2 _GPIO(36) +/* Hole */ +#define DB8500_PIN_F3 _GPIO(64) +#define DB8500_PIN_F1 _GPIO(65) +#define DB8500_PIN_G3 _GPIO(66) +#define DB8500_PIN_G2 _GPIO(67) +#define DB8500_PIN_E1 _GPIO(68) +#define DB8500_PIN_E2 _GPIO(69) +#define DB8500_PIN_G5 _GPIO(70) +#define DB8500_PIN_G4 _GPIO(71) +#define DB8500_PIN_H4 _GPIO(72) +#define DB8500_PIN_H3 _GPIO(73) +#define DB8500_PIN_J3 _GPIO(74) +#define DB8500_PIN_H2 _GPIO(75) +#define DB8500_PIN_J2 _GPIO(76) +#define DB8500_PIN_H1 _GPIO(77) +#define DB8500_PIN_F4 _GPIO(78) +#define DB8500_PIN_E3 _GPIO(79) +#define DB8500_PIN_E4 _GPIO(80) +#define DB8500_PIN_D2 _GPIO(81) +#define DB8500_PIN_C1 _GPIO(82) +#define DB8500_PIN_D3 _GPIO(83) +#define DB8500_PIN_C2 _GPIO(84) +#define DB8500_PIN_D5 _GPIO(85) +#define DB8500_PIN_C6 _GPIO(86) +#define DB8500_PIN_B3 _GPIO(87) +#define DB8500_PIN_C4 _GPIO(88) +#define DB8500_PIN_E6 _GPIO(89) +#define DB8500_PIN_A3 _GPIO(90) +#define DB8500_PIN_B6 _GPIO(91) +#define DB8500_PIN_D6 _GPIO(92) +#define DB8500_PIN_B7 _GPIO(93) +#define DB8500_PIN_D7 _GPIO(94) +#define DB8500_PIN_E8 _GPIO(95) +#define DB8500_PIN_D8 _GPIO(96) +#define DB8500_PIN_D9 _GPIO(97) +/* Hole */ +#define DB8500_PIN_A5 _GPIO(128) +#define DB8500_PIN_B4 _GPIO(129) +#define DB8500_PIN_C8 _GPIO(130) +#define DB8500_PIN_A12 _GPIO(131) +#define DB8500_PIN_C10 _GPIO(132) +#define DB8500_PIN_B10 _GPIO(133) +#define DB8500_PIN_B9 _GPIO(134) +#define DB8500_PIN_A9 _GPIO(135) +#define DB8500_PIN_C7 _GPIO(136) +#define DB8500_PIN_A7 _GPIO(137) +#define DB8500_PIN_C5 _GPIO(138) +#define DB8500_PIN_C9 _GPIO(139) +#define DB8500_PIN_B11 _GPIO(140) +#define DB8500_PIN_C12 _GPIO(141) +#define DB8500_PIN_C11 _GPIO(142) +#define DB8500_PIN_D12 _GPIO(143) +#define DB8500_PIN_B13 _GPIO(144) +#define DB8500_PIN_C13 _GPIO(145) +#define DB8500_PIN_D13 _GPIO(146) +#define DB8500_PIN_C15 _GPIO(147) +#define DB8500_PIN_B16 _GPIO(148) +#define DB8500_PIN_B14 _GPIO(149) +#define DB8500_PIN_C14 _GPIO(150) +#define DB8500_PIN_D17 _GPIO(151) +#define DB8500_PIN_D16 _GPIO(152) +#define DB8500_PIN_B17 _GPIO(153) +#define DB8500_PIN_C16 _GPIO(154) +#define DB8500_PIN_C19 _GPIO(155) +#define DB8500_PIN_C17 _GPIO(156) +#define DB8500_PIN_A18 _GPIO(157) +#define DB8500_PIN_C18 _GPIO(158) +#define DB8500_PIN_B19 _GPIO(159) +#define DB8500_PIN_B20 _GPIO(160) +#define DB8500_PIN_D21 _GPIO(161) +#define DB8500_PIN_D20 _GPIO(162) +#define DB8500_PIN_C20 _GPIO(163) +#define DB8500_PIN_B21 _GPIO(164) +#define DB8500_PIN_C21 _GPIO(165) +#define DB8500_PIN_A22 _GPIO(166) +#define DB8500_PIN_B24 _GPIO(167) +#define DB8500_PIN_C22 _GPIO(168) +#define DB8500_PIN_D22 _GPIO(169) +#define DB8500_PIN_C23 _GPIO(170) +#define DB8500_PIN_D23 _GPIO(171) +/* Hole */ +#define DB8500_PIN_AJ27 _GPIO(192) +#define DB8500_PIN_AH27 _GPIO(193) +#define DB8500_PIN_AF27 _GPIO(194) +#define DB8500_PIN_AG28 _GPIO(195) +#define DB8500_PIN_AG26 _GPIO(196) +#define DB8500_PIN_AH24 _GPIO(197) +#define DB8500_PIN_AG25 _GPIO(198) +#define DB8500_PIN_AH23 _GPIO(199) +#define DB8500_PIN_AH26 _GPIO(200) +#define DB8500_PIN_AF24 _GPIO(201) +#define DB8500_PIN_AF25 _GPIO(202) +#define DB8500_PIN_AE23 _GPIO(203) +#define DB8500_PIN_AF23 _GPIO(204) +#define DB8500_PIN_AG23 _GPIO(205) +#define DB8500_PIN_AG24 _GPIO(206) +#define DB8500_PIN_AJ23 _GPIO(207) +#define DB8500_PIN_AH16 _GPIO(208) +#define DB8500_PIN_AG15 _GPIO(209) +#define DB8500_PIN_AJ15 _GPIO(210) +#define DB8500_PIN_AG14 _GPIO(211) +#define DB8500_PIN_AF13 _GPIO(212) +#define DB8500_PIN_AG13 _GPIO(213) +#define DB8500_PIN_AH15 _GPIO(214) +#define DB8500_PIN_AH13 _GPIO(215) +#define DB8500_PIN_AG12 _GPIO(216) +#define DB8500_PIN_AH12 _GPIO(217) +#define DB8500_PIN_AH11 _GPIO(218) +#define DB8500_PIN_AG10 _GPIO(219) +#define DB8500_PIN_AH10 _GPIO(220) +#define DB8500_PIN_AJ11 _GPIO(221) +#define DB8500_PIN_AJ9 _GPIO(222) +#define DB8500_PIN_AH9 _GPIO(223) +#define DB8500_PIN_AG9 _GPIO(224) +#define DB8500_PIN_AG8 _GPIO(225) +#define DB8500_PIN_AF8 _GPIO(226) +#define DB8500_PIN_AH7 _GPIO(227) +#define DB8500_PIN_AJ6 _GPIO(228) +#define DB8500_PIN_AG7 _GPIO(229) +#define DB8500_PIN_AF7 _GPIO(230) +/* Hole */ +#define DB8500_PIN_AF28 _GPIO(256) +#define DB8500_PIN_AE29 _GPIO(257) +#define DB8500_PIN_AD29 _GPIO(258) +#define DB8500_PIN_AC29 _GPIO(259) +#define DB8500_PIN_AD28 _GPIO(260) +#define DB8500_PIN_AD26 _GPIO(261) +#define DB8500_PIN_AE26 _GPIO(262) +#define DB8500_PIN_AG29 _GPIO(263) +#define DB8500_PIN_AE27 _GPIO(264) +#define DB8500_PIN_AD27 _GPIO(265) +#define DB8500_PIN_AC28 _GPIO(266) +#define DB8500_PIN_AC27 _GPIO(267) + +/* + * The names of the pins are denoted by GPIO number and ball name, even + * though they can be used for other things than GPIO, this is the first + * column in the table of the data sheet and often used on schematics and + * such. + */ +static const struct pinctrl_pin_desc nmk_db8500_pins[] = { + PINCTRL_PIN(DB8500_PIN_AJ5, "GPIO0_AJ5"), + PINCTRL_PIN(DB8500_PIN_AJ3, "GPIO1_AJ3"), + PINCTRL_PIN(DB8500_PIN_AH4, "GPIO2_AH4"), + PINCTRL_PIN(DB8500_PIN_AH3, "GPIO3_AH3"), + PINCTRL_PIN(DB8500_PIN_AH6, "GPIO4_AH6"), + PINCTRL_PIN(DB8500_PIN_AG6, "GPIO5_AG6"), + PINCTRL_PIN(DB8500_PIN_AF6, "GPIO6_AF6"), + PINCTRL_PIN(DB8500_PIN_AG5, "GPIO7_AG5"), + PINCTRL_PIN(DB8500_PIN_AD5, "GPIO8_AD5"), + PINCTRL_PIN(DB8500_PIN_AE4, "GPIO9_AE4"), + PINCTRL_PIN(DB8500_PIN_AF5, "GPIO10_AF5"), + PINCTRL_PIN(DB8500_PIN_AG4, "GPIO11_AG4"), + PINCTRL_PIN(DB8500_PIN_AC4, "GPIO12_AC4"), + PINCTRL_PIN(DB8500_PIN_AF3, "GPIO13_AF3"), + PINCTRL_PIN(DB8500_PIN_AE3, "GPIO14_AE3"), + PINCTRL_PIN(DB8500_PIN_AC3, "GPIO15_AC3"), + PINCTRL_PIN(DB8500_PIN_AD3, "GPIO16_AD3"), + PINCTRL_PIN(DB8500_PIN_AD4, "GPIO17_AD4"), + PINCTRL_PIN(DB8500_PIN_AC2, "GPIO18_AC2"), + PINCTRL_PIN(DB8500_PIN_AC1, "GPIO19_AC1"), + PINCTRL_PIN(DB8500_PIN_AB4, "GPIO20_AB4"), + PINCTRL_PIN(DB8500_PIN_AB3, "GPIO21_AB3"), + PINCTRL_PIN(DB8500_PIN_AA3, "GPIO22_AA3"), + PINCTRL_PIN(DB8500_PIN_AA4, "GPIO23_AA4"), + PINCTRL_PIN(DB8500_PIN_AB2, "GPIO24_AB2"), + PINCTRL_PIN(DB8500_PIN_Y4, "GPIO25_Y4"), + PINCTRL_PIN(DB8500_PIN_Y2, "GPIO26_Y2"), + PINCTRL_PIN(DB8500_PIN_AA2, "GPIO27_AA2"), + PINCTRL_PIN(DB8500_PIN_AA1, "GPIO28_AA1"), + PINCTRL_PIN(DB8500_PIN_W2, "GPIO29_W2"), + PINCTRL_PIN(DB8500_PIN_W3, "GPIO30_W3"), + PINCTRL_PIN(DB8500_PIN_V3, "GPIO31_V3"), + PINCTRL_PIN(DB8500_PIN_V2, "GPIO32_V2"), + PINCTRL_PIN(DB8500_PIN_AF2, "GPIO33_AF2"), + PINCTRL_PIN(DB8500_PIN_AE1, "GPIO34_AE1"), + PINCTRL_PIN(DB8500_PIN_AE2, "GPIO35_AE2"), + PINCTRL_PIN(DB8500_PIN_AG2, "GPIO36_AG2"), + /* Hole */ + PINCTRL_PIN(DB8500_PIN_F3, "GPIO64_F3"), + PINCTRL_PIN(DB8500_PIN_F1, "GPIO65_F1"), + PINCTRL_PIN(DB8500_PIN_G3, "GPIO66_G3"), + PINCTRL_PIN(DB8500_PIN_G2, "GPIO67_G2"), + PINCTRL_PIN(DB8500_PIN_E1, "GPIO68_E1"), + PINCTRL_PIN(DB8500_PIN_E2, "GPIO69_E2"), + PINCTRL_PIN(DB8500_PIN_G5, "GPIO70_G5"), + PINCTRL_PIN(DB8500_PIN_G4, "GPIO71_G4"), + PINCTRL_PIN(DB8500_PIN_H4, "GPIO72_H4"), + PINCTRL_PIN(DB8500_PIN_H3, "GPIO73_H3"), + PINCTRL_PIN(DB8500_PIN_J3, "GPIO74_J3"), + PINCTRL_PIN(DB8500_PIN_H2, "GPIO75_H2"), + PINCTRL_PIN(DB8500_PIN_J2, "GPIO76_J2"), + PINCTRL_PIN(DB8500_PIN_H1, "GPIO77_H1"), + PINCTRL_PIN(DB8500_PIN_F4, "GPIO78_F4"), + PINCTRL_PIN(DB8500_PIN_E3, "GPIO79_E3"), + PINCTRL_PIN(DB8500_PIN_E4, "GPIO80_E4"), + PINCTRL_PIN(DB8500_PIN_D2, "GPIO81_D2"), + PINCTRL_PIN(DB8500_PIN_C1, "GPIO82_C1"), + PINCTRL_PIN(DB8500_PIN_D3, "GPIO83_D3"), + PINCTRL_PIN(DB8500_PIN_C2, "GPIO84_C2"), + PINCTRL_PIN(DB8500_PIN_D5, "GPIO85_D5"), + PINCTRL_PIN(DB8500_PIN_C6, "GPIO86_C6"), + PINCTRL_PIN(DB8500_PIN_B3, "GPIO87_B3"), + PINCTRL_PIN(DB8500_PIN_C4, "GPIO88_C4"), + PINCTRL_PIN(DB8500_PIN_E6, "GPIO89_E6"), + PINCTRL_PIN(DB8500_PIN_A3, "GPIO90_A3"), + PINCTRL_PIN(DB8500_PIN_B6, "GPIO91_B6"), + PINCTRL_PIN(DB8500_PIN_D6, "GPIO92_D6"), + PINCTRL_PIN(DB8500_PIN_B7, "GPIO93_B7"), + PINCTRL_PIN(DB8500_PIN_D7, "GPIO94_D7"), + PINCTRL_PIN(DB8500_PIN_E8, "GPIO95_E8"), + PINCTRL_PIN(DB8500_PIN_D8, "GPIO96_D8"), + PINCTRL_PIN(DB8500_PIN_D9, "GPIO97_D9"), + /* Hole */ + PINCTRL_PIN(DB8500_PIN_A5, "GPIO128_A5"), + PINCTRL_PIN(DB8500_PIN_B4, "GPIO129_B4"), + PINCTRL_PIN(DB8500_PIN_C8, "GPIO130_C8"), + PINCTRL_PIN(DB8500_PIN_A12, "GPIO131_A12"), + PINCTRL_PIN(DB8500_PIN_C10, "GPIO132_C10"), + PINCTRL_PIN(DB8500_PIN_B10, "GPIO133_B10"), + PINCTRL_PIN(DB8500_PIN_B9, "GPIO134_B9"), + PINCTRL_PIN(DB8500_PIN_A9, "GPIO135_A9"), + PINCTRL_PIN(DB8500_PIN_C7, "GPIO136_C7"), + PINCTRL_PIN(DB8500_PIN_A7, "GPIO137_A7"), + PINCTRL_PIN(DB8500_PIN_C5, "GPIO138_C5"), + PINCTRL_PIN(DB8500_PIN_C9, "GPIO139_C9"), + PINCTRL_PIN(DB8500_PIN_B11, "GPIO140_B11"), + PINCTRL_PIN(DB8500_PIN_C12, "GPIO141_C12"), + PINCTRL_PIN(DB8500_PIN_C11, "GPIO142_C11"), + PINCTRL_PIN(DB8500_PIN_D12, "GPIO143_D12"), + PINCTRL_PIN(DB8500_PIN_B13, "GPIO144_B13"), + PINCTRL_PIN(DB8500_PIN_C13, "GPIO145_C13"), + PINCTRL_PIN(DB8500_PIN_D13, "GPIO146_D13"), + PINCTRL_PIN(DB8500_PIN_C15, "GPIO147_C15"), + PINCTRL_PIN(DB8500_PIN_B16, "GPIO148_B16"), + PINCTRL_PIN(DB8500_PIN_B14, "GPIO149_B14"), + PINCTRL_PIN(DB8500_PIN_C14, "GPIO150_C14"), + PINCTRL_PIN(DB8500_PIN_D17, "GPIO151_D17"), + PINCTRL_PIN(DB8500_PIN_D16, "GPIO152_D16"), + PINCTRL_PIN(DB8500_PIN_B17, "GPIO153_B17"), + PINCTRL_PIN(DB8500_PIN_C16, "GPIO154_C16"), + PINCTRL_PIN(DB8500_PIN_C19, "GPIO155_C19"), + PINCTRL_PIN(DB8500_PIN_C17, "GPIO156_C17"), + PINCTRL_PIN(DB8500_PIN_A18, "GPIO157_A18"), + PINCTRL_PIN(DB8500_PIN_C18, "GPIO158_C18"), + PINCTRL_PIN(DB8500_PIN_B19, "GPIO159_B19"), + PINCTRL_PIN(DB8500_PIN_B20, "GPIO160_B20"), + PINCTRL_PIN(DB8500_PIN_D21, "GPIO161_D21"), + PINCTRL_PIN(DB8500_PIN_D20, "GPIO162_D20"), + PINCTRL_PIN(DB8500_PIN_C20, "GPIO163_C20"), + PINCTRL_PIN(DB8500_PIN_B21, "GPIO164_B21"), + PINCTRL_PIN(DB8500_PIN_C21, "GPIO165_C21"), + PINCTRL_PIN(DB8500_PIN_A22, "GPIO166_A22"), + PINCTRL_PIN(DB8500_PIN_B24, "GPIO167_B24"), + PINCTRL_PIN(DB8500_PIN_C22, "GPIO168_C22"), + PINCTRL_PIN(DB8500_PIN_D22, "GPIO169_D22"), + PINCTRL_PIN(DB8500_PIN_C23, "GPIO170_C23"), + PINCTRL_PIN(DB8500_PIN_D23, "GPIO171_D23"), + /* Hole */ + PINCTRL_PIN(DB8500_PIN_AJ27, "GPIO192_AJ27"), + PINCTRL_PIN(DB8500_PIN_AH27, "GPIO193_AH27"), + PINCTRL_PIN(DB8500_PIN_AF27, "GPIO194_AF27"), + PINCTRL_PIN(DB8500_PIN_AG28, "GPIO195_AG28"), + PINCTRL_PIN(DB8500_PIN_AG26, "GPIO196_AG26"), + PINCTRL_PIN(DB8500_PIN_AH24, "GPIO197_AH24"), + PINCTRL_PIN(DB8500_PIN_AG25, "GPIO198_AG25"), + PINCTRL_PIN(DB8500_PIN_AH23, "GPIO199_AH23"), + PINCTRL_PIN(DB8500_PIN_AH26, "GPIO200_AH26"), + PINCTRL_PIN(DB8500_PIN_AF24, "GPIO201_AF24"), + PINCTRL_PIN(DB8500_PIN_AF25, "GPIO202_AF25"), + PINCTRL_PIN(DB8500_PIN_AE23, "GPIO203_AE23"), + PINCTRL_PIN(DB8500_PIN_AF23, "GPIO204_AF23"), + PINCTRL_PIN(DB8500_PIN_AG23, "GPIO205_AG23"), + PINCTRL_PIN(DB8500_PIN_AG24, "GPIO206_AG24"), + PINCTRL_PIN(DB8500_PIN_AJ23, "GPIO207_AJ23"), + PINCTRL_PIN(DB8500_PIN_AH16, "GPIO208_AH16"), + PINCTRL_PIN(DB8500_PIN_AG15, "GPIO209_AG15"), + PINCTRL_PIN(DB8500_PIN_AJ15, "GPIO210_AJ15"), + PINCTRL_PIN(DB8500_PIN_AG14, "GPIO211_AG14"), + PINCTRL_PIN(DB8500_PIN_AF13, "GPIO212_AF13"), + PINCTRL_PIN(DB8500_PIN_AG13, "GPIO213_AG13"), + PINCTRL_PIN(DB8500_PIN_AH15, "GPIO214_AH15"), + PINCTRL_PIN(DB8500_PIN_AH13, "GPIO215_AH13"), + PINCTRL_PIN(DB8500_PIN_AG12, "GPIO216_AG12"), + PINCTRL_PIN(DB8500_PIN_AH12, "GPIO217_AH12"), + PINCTRL_PIN(DB8500_PIN_AH11, "GPIO218_AH11"), + PINCTRL_PIN(DB8500_PIN_AG10, "GPIO219_AG10"), + PINCTRL_PIN(DB8500_PIN_AH10, "GPIO220_AH10"), + PINCTRL_PIN(DB8500_PIN_AJ11, "GPIO221_AJ11"), + PINCTRL_PIN(DB8500_PIN_AJ9, "GPIO222_AJ9"), + PINCTRL_PIN(DB8500_PIN_AH9, "GPIO223_AH9"), + PINCTRL_PIN(DB8500_PIN_AG9, "GPIO224_AG9"), + PINCTRL_PIN(DB8500_PIN_AG8, "GPIO225_AG8"), + PINCTRL_PIN(DB8500_PIN_AF8, "GPIO226_AF8"), + PINCTRL_PIN(DB8500_PIN_AH7, "GPIO227_AH7"), + PINCTRL_PIN(DB8500_PIN_AJ6, "GPIO228_AJ6"), + PINCTRL_PIN(DB8500_PIN_AG7, "GPIO229_AG7"), + PINCTRL_PIN(DB8500_PIN_AF7, "GPIO230_AF7"), + /* Hole */ + PINCTRL_PIN(DB8500_PIN_AF28, "GPIO256_AF28"), + PINCTRL_PIN(DB8500_PIN_AE29, "GPIO257_AE29"), + PINCTRL_PIN(DB8500_PIN_AD29, "GPIO258_AD29"), + PINCTRL_PIN(DB8500_PIN_AC29, "GPIO259_AC29"), + PINCTRL_PIN(DB8500_PIN_AD28, "GPIO260_AD28"), + PINCTRL_PIN(DB8500_PIN_AD26, "GPIO261_AD26"), + PINCTRL_PIN(DB8500_PIN_AE26, "GPIO262_AE26"), + PINCTRL_PIN(DB8500_PIN_AG29, "GPIO263_AG29"), + PINCTRL_PIN(DB8500_PIN_AE27, "GPIO264_AE27"), + PINCTRL_PIN(DB8500_PIN_AD27, "GPIO265_AD27"), + PINCTRL_PIN(DB8500_PIN_AC28, "GPIO266_AC28"), + PINCTRL_PIN(DB8500_PIN_AC27, "GPIO267_AC27"), +}; + +#define DB8500_GPIO_RANGE(a, b, c) { .name = "DB8500", .id = a, .base = b, \ + .pin_base = b, .npins = c } + +/* + * This matches the 32-pin gpio chips registered by the GPIO portion. This + * cannot be const since we assign the struct gpio_chip * pointer at runtime. + */ +static struct pinctrl_gpio_range nmk_db8500_ranges[] = { + DB8500_GPIO_RANGE(0, 0, 32), + DB8500_GPIO_RANGE(1, 32, 5), + DB8500_GPIO_RANGE(2, 64, 32), + DB8500_GPIO_RANGE(3, 96, 2), + DB8500_GPIO_RANGE(4, 128, 32), + DB8500_GPIO_RANGE(5, 160, 12), + DB8500_GPIO_RANGE(6, 192, 32), + DB8500_GPIO_RANGE(7, 224, 7), + DB8500_GPIO_RANGE(8, 256, 12), +}; + +/* + * Read the pin group names like this: + * u0_a_1 = first groups of pins for uart0 on alt function a + * i2c2_b_2 = second group of pins for i2c2 on alt function b + * + * The groups are arranged as sets per altfunction column, so we can + * mux in one group at a time by selecting the same altfunction for them + * all. When functions require pins on different altfunctions, you need + * to combine several groups. + */ + +/* Altfunction A column */ +static const unsigned u0_a_1_pins[] = { DB8500_PIN_AJ5, DB8500_PIN_AJ3, + DB8500_PIN_AH4, DB8500_PIN_AH3 }; +static const unsigned u1rxtx_a_1_pins[] = { DB8500_PIN_AH6, DB8500_PIN_AG6 }; +static const unsigned u1ctsrts_a_1_pins[] = { DB8500_PIN_AF6, DB8500_PIN_AG5 }; +/* Image processor I2C line, this is driven by image processor firmware */ +static const unsigned ipi2c_a_1_pins[] = { DB8500_PIN_AD5, DB8500_PIN_AE4 }; +static const unsigned ipi2c_a_2_pins[] = { DB8500_PIN_AF5, DB8500_PIN_AG4 }; +/* MSP0 can only be on these pins, but TXD and RXD can be flipped */ +static const unsigned msp0txrx_a_1_pins[] = { DB8500_PIN_AC4, DB8500_PIN_AC3 }; +static const unsigned msp0tfstck_a_1_pins[] = { DB8500_PIN_AF3, DB8500_PIN_AE3 }; +static const unsigned msp0rfsrck_a_1_pins[] = { DB8500_PIN_AD3, DB8500_PIN_AD4 }; +/* Basic pins of the MMC/SD card 0 interface */ +static const unsigned mc0_a_1_pins[] = { DB8500_PIN_AC2, DB8500_PIN_AC1, + DB8500_PIN_AB4, DB8500_PIN_AA3, DB8500_PIN_AA4, DB8500_PIN_AB2, + DB8500_PIN_Y4, DB8500_PIN_Y2, DB8500_PIN_AA2, DB8500_PIN_AA1 }; +/* Often only 4 bits are used, then these are not needed (only used for MMC) */ +static const unsigned mc0_dat47_a_1_pins[] = { DB8500_PIN_W2, DB8500_PIN_W3, + DB8500_PIN_V3, DB8500_PIN_V2}; +static const unsigned mc0dat31dir_a_1_pins[] = { DB8500_PIN_AB3 }; +/* MSP1 can only be on these pins, but TXD and RXD can be flipped */ +static const unsigned msp1txrx_a_1_pins[] = { DB8500_PIN_AF2, DB8500_PIN_AG2 }; +static const unsigned msp1_a_1_pins[] = { DB8500_PIN_AE1, DB8500_PIN_AE2 }; +/* LCD interface */ +static const unsigned lcdb_a_1_pins[] = { DB8500_PIN_F3, DB8500_PIN_F1, + DB8500_PIN_G3, DB8500_PIN_G2 }; +static const unsigned lcdvsi0_a_1_pins[] = { DB8500_PIN_E1 }; +static const unsigned lcdvsi1_a_1_pins[] = { DB8500_PIN_E2 }; +static const unsigned lcd_d0_d7_a_1_pins[] = { + DB8500_PIN_G5, DB8500_PIN_G4, DB8500_PIN_H4, DB8500_PIN_H3, + DB8500_PIN_J3, DB8500_PIN_H2, DB8500_PIN_J2, DB8500_PIN_H1 }; +/* D8 thru D11 often used as TVOUT lines */ +static const unsigned lcd_d8_d11_a_1_pins[] = { DB8500_PIN_F4, + DB8500_PIN_E3, DB8500_PIN_E4, DB8500_PIN_D2 }; +static const unsigned lcd_d12_d23_a_1_pins[] = { + DB8500_PIN_C1, DB8500_PIN_D3, DB8500_PIN_C2, DB8500_PIN_D5, + DB8500_PIN_C6, DB8500_PIN_B3, DB8500_PIN_C4, DB8500_PIN_E6, + DB8500_PIN_A3, DB8500_PIN_B6, DB8500_PIN_D6, DB8500_PIN_B7 }; +static const unsigned kp_a_1_pins[] = { DB8500_PIN_D7, DB8500_PIN_E8, + DB8500_PIN_D8, DB8500_PIN_D9 }; +static const unsigned kpskaskb_a_1_pins[] = { DB8500_PIN_D17, DB8500_PIN_D16 }; +static const unsigned kp_a_2_pins[] = { + DB8500_PIN_B17, DB8500_PIN_C16, DB8500_PIN_C19, DB8500_PIN_C17, + DB8500_PIN_A18, DB8500_PIN_C18, DB8500_PIN_B19, DB8500_PIN_B20, + DB8500_PIN_D21, DB8500_PIN_D20, DB8500_PIN_C20, DB8500_PIN_B21, + DB8500_PIN_C21, DB8500_PIN_A22, DB8500_PIN_B24, DB8500_PIN_C22 }; +/* MC2 has 8 data lines and no direction control, so only for (e)MMC */ +static const unsigned mc2_a_1_pins[] = { DB8500_PIN_A5, DB8500_PIN_B4, + DB8500_PIN_C8, DB8500_PIN_A12, DB8500_PIN_C10, DB8500_PIN_B10, + DB8500_PIN_B9, DB8500_PIN_A9, DB8500_PIN_C7, DB8500_PIN_A7, + DB8500_PIN_C5 }; +static const unsigned ssp1_a_1_pins[] = { DB8500_PIN_C9, DB8500_PIN_B11, + DB8500_PIN_C12, DB8500_PIN_C11 }; +static const unsigned ssp0_a_1_pins[] = { DB8500_PIN_D12, DB8500_PIN_B13, + DB8500_PIN_C13, DB8500_PIN_D13 }; +static const unsigned i2c0_a_1_pins[] = { DB8500_PIN_C15, DB8500_PIN_B16 }; +/* + * Image processor GPIO pins are named "ipgpio" and have their own + * numberspace + */ +static const unsigned ipgpio0_a_1_pins[] = { DB8500_PIN_B14 }; +static const unsigned ipgpio1_a_1_pins[] = { DB8500_PIN_C14 }; +/* Three modem pins named RF_PURn, MODEM_STATE and MODEM_PWREN */ +static const unsigned modem_a_1_pins[] = { DB8500_PIN_D22, DB8500_PIN_C23, + DB8500_PIN_D23 }; +/* + * This MSP cannot switch RX and TX, SCK in a separate group since this + * seems to be optional. + */ +static const unsigned msp2sck_a_1_pins[] = { DB8500_PIN_AJ27 }; +static const unsigned msp2_a_1_pins[] = { DB8500_PIN_AH27, DB8500_PIN_AF27, + DB8500_PIN_AG28, DB8500_PIN_AG26 }; +static const unsigned mc4_a_1_pins[] = { DB8500_PIN_AH24, DB8500_PIN_AG25, + DB8500_PIN_AH23, DB8500_PIN_AH26, DB8500_PIN_AF24, DB8500_PIN_AF25, + DB8500_PIN_AE23, DB8500_PIN_AF23, DB8500_PIN_AG23, DB8500_PIN_AG24, + DB8500_PIN_AJ23 }; +/* MC1 has only 4 data pins, designed for SD or SDIO exclusively */ +static const unsigned mc1_a_1_pins[] = { DB8500_PIN_AH16, DB8500_PIN_AG15, + DB8500_PIN_AJ15, DB8500_PIN_AG14, DB8500_PIN_AF13, DB8500_PIN_AG13, + DB8500_PIN_AH15 }; +static const unsigned mc1dir_a_1_pins[] = { DB8500_PIN_AH13, DB8500_PIN_AG12, + DB8500_PIN_AH12, DB8500_PIN_AH11 }; +static const unsigned hsir_a_1_pins[] = { DB8500_PIN_AG10, DB8500_PIN_AH10 }; +static const unsigned hsit_a_1_pins[] = { DB8500_PIN_AJ11, DB8500_PIN_AJ9, + DB8500_PIN_AH9, DB8500_PIN_AG9, DB8500_PIN_AG8, DB8500_PIN_AF8 }; +static const unsigned clkout_a_1_pins[] = { DB8500_PIN_AH7, DB8500_PIN_AJ6 }; +static const unsigned clkout_a_2_pins[] = { DB8500_PIN_AG7, DB8500_PIN_AF7 }; +static const unsigned usb_a_1_pins[] = { DB8500_PIN_AF28, DB8500_PIN_AE29, + DB8500_PIN_AD29, DB8500_PIN_AC29, DB8500_PIN_AD28, DB8500_PIN_AD26, + DB8500_PIN_AE26, DB8500_PIN_AG29, DB8500_PIN_AE27, DB8500_PIN_AD27, + DB8500_PIN_AC28, DB8500_PIN_AC27 }; + +/* Altfunction B column */ +static const unsigned trig_b_1_pins[] = { DB8500_PIN_AJ5, DB8500_PIN_AJ3 }; +static const unsigned i2c4_b_1_pins[] = { DB8500_PIN_AH6, DB8500_PIN_AG6 }; +static const unsigned i2c1_b_1_pins[] = { DB8500_PIN_AF6, DB8500_PIN_AG5 }; +static const unsigned i2c2_b_1_pins[] = { DB8500_PIN_AD5, DB8500_PIN_AE4 }; +static const unsigned i2c2_b_2_pins[] = { DB8500_PIN_AF5, DB8500_PIN_AG4 }; +static const unsigned msp0txrx_b_1_pins[] = { DB8500_PIN_AC4, DB8500_PIN_AC3 }; +static const unsigned i2c1_b_2_pins[] = { DB8500_PIN_AD3, DB8500_PIN_AD4 }; +/* Just RX and TX for UART2 */ +static const unsigned u2rxtx_b_1_pins[] = { DB8500_PIN_AC2, DB8500_PIN_AC1 }; +static const unsigned uartmodtx_b_1_pins[] = { DB8500_PIN_AB4 }; +static const unsigned msp0sck_b_1_pins[] = { DB8500_PIN_AB3 }; +static const unsigned uartmodrx_b_1_pins[] = { DB8500_PIN_AA3 }; +static const unsigned stmmod_b_1_pins[] = { DB8500_PIN_AA4, DB8500_PIN_Y4, + DB8500_PIN_Y2, DB8500_PIN_AA2, DB8500_PIN_AA1 }; +static const unsigned uartmodrx_b_2_pins[] = { DB8500_PIN_AB2 }; +static const unsigned spi3_b_1_pins[] = { DB8500_PIN_W2, DB8500_PIN_W3, + DB8500_PIN_V3, DB8500_PIN_V2 }; +static const unsigned msp1txrx_b_1_pins[] = { DB8500_PIN_AF2, DB8500_PIN_AG2 }; +static const unsigned kp_b_1_pins[] = { DB8500_PIN_F3, DB8500_PIN_F1, + DB8500_PIN_G3, DB8500_PIN_G2, DB8500_PIN_E1, DB8500_PIN_E2, + DB8500_PIN_G5, DB8500_PIN_G4, DB8500_PIN_H4, DB8500_PIN_H3, + DB8500_PIN_J3, DB8500_PIN_H2, DB8500_PIN_J2, DB8500_PIN_H1, + DB8500_PIN_F4, DB8500_PIN_E3, DB8500_PIN_E4, DB8500_PIN_D2, + DB8500_PIN_C1, DB8500_PIN_D3, DB8500_PIN_C2, DB8500_PIN_D5 }; +static const unsigned sm_b_1_pins[] = { DB8500_PIN_C6, DB8500_PIN_B3, + DB8500_PIN_C4, DB8500_PIN_E6, DB8500_PIN_A3, DB8500_PIN_B6, + DB8500_PIN_D6, DB8500_PIN_B7, DB8500_PIN_D7, DB8500_PIN_D8, + DB8500_PIN_D9, DB8500_PIN_A5, DB8500_PIN_B4, DB8500_PIN_C8, + DB8500_PIN_A12, DB8500_PIN_C10, DB8500_PIN_B10, DB8500_PIN_B9, + DB8500_PIN_A9, DB8500_PIN_C7, DB8500_PIN_A7, DB8500_PIN_C5, + DB8500_PIN_C9, DB8500_PIN_B14 }; +/* This chip select pin can be "ps0" in alt B so have it separately */ +static const unsigned smcs0_b_1_pins[] = { DB8500_PIN_E8 }; +static const unsigned ipgpio7_b_1_pins[] = { DB8500_PIN_B11 }; +static const unsigned ipgpio2_b_1_pins[] = { DB8500_PIN_C12 }; +static const unsigned ipgpio3_b_1_pins[] = { DB8500_PIN_C11 }; +static const unsigned lcdaclk_b_1_pins[] = { DB8500_PIN_C14 }; +static const unsigned lcda_b_1_pins[] = { DB8500_PIN_D22, + DB8500_PIN_C23, DB8500_PIN_D23 }; +static const unsigned lcd_b_1_pins[] = { DB8500_PIN_D17, DB8500_PIN_D16, + DB8500_PIN_B17, DB8500_PIN_C16, DB8500_PIN_C19, DB8500_PIN_C17, + DB8500_PIN_A18, DB8500_PIN_C18, DB8500_PIN_B19, DB8500_PIN_B20, + DB8500_PIN_D21, DB8500_PIN_D20, DB8500_PIN_C20, DB8500_PIN_B21, + DB8500_PIN_C21, DB8500_PIN_A22, DB8500_PIN_B24, DB8500_PIN_C22 }; +static const unsigned ddrtrig_b_1_pins[] = { DB8500_PIN_AJ27 }; +static const unsigned pwl_b_1_pins[] = { DB8500_PIN_AF25 }; +static const unsigned spi1_b_1_pins[] = { DB8500_PIN_AG15, DB8500_PIN_AF13, + DB8500_PIN_AG13, DB8500_PIN_AH15 }; +static const unsigned mc3_b_1_pins[] = { DB8500_PIN_AH13, DB8500_PIN_AG12, + DB8500_PIN_AH12, DB8500_PIN_AH11, DB8500_PIN_AG10, DB8500_PIN_AH10, + DB8500_PIN_AJ11, DB8500_PIN_AJ9, DB8500_PIN_AH9, DB8500_PIN_AG9, + DB8500_PIN_AG8 }; +static const unsigned pwl_b_2_pins[] = { DB8500_PIN_AF8 }; +static const unsigned pwl_b_3_pins[] = { DB8500_PIN_AG7 }; +static const unsigned pwl_b_4_pins[] = { DB8500_PIN_AF7 }; + +/* Altfunction C column */ +static const unsigned ipjtag_c_1_pins[] = { DB8500_PIN_AJ5, DB8500_PIN_AJ3, + DB8500_PIN_AH4, DB8500_PIN_AH3, DB8500_PIN_AH6 }; +static const unsigned ipgpio6_c_1_pins[] = { DB8500_PIN_AG6 }; +static const unsigned ipgpio0_c_1_pins[] = { DB8500_PIN_AF6 }; +static const unsigned ipgpio1_c_1_pins[] = { DB8500_PIN_AG5 }; +static const unsigned ipgpio3_c_1_pins[] = { DB8500_PIN_AF5 }; +static const unsigned ipgpio2_c_1_pins[] = { DB8500_PIN_AG4 }; +static const unsigned slim0_c_1_pins[] = { DB8500_PIN_AD3, DB8500_PIN_AD4 }; +/* Optional 4-bit Memory Stick interface */ +static const unsigned ms_c_1_pins[] = { DB8500_PIN_AC2, DB8500_PIN_AC1, + DB8500_PIN_AB3, DB8500_PIN_AA3, DB8500_PIN_AA4, DB8500_PIN_AB2, + DB8500_PIN_Y4, DB8500_PIN_Y2, DB8500_PIN_AA2, DB8500_PIN_AA1 }; +static const unsigned iptrigout_c_1_pins[] = { DB8500_PIN_AB4 }; +static const unsigned u2rxtx_c_1_pins[] = { DB8500_PIN_W2, DB8500_PIN_W3 }; +static const unsigned u2ctsrts_c_1_pins[] = { DB8500_PIN_V3, DB8500_PIN_V2 }; +static const unsigned u0_c_1_pins[] = { DB8500_PIN_AF2, DB8500_PIN_AE1, + DB8500_PIN_AE2, DB8500_PIN_AG2 }; +static const unsigned ipgpio4_c_1_pins[] = { DB8500_PIN_F3 }; +static const unsigned ipgpio5_c_1_pins[] = { DB8500_PIN_F1 }; +static const unsigned ipgpio6_c_2_pins[] = { DB8500_PIN_G3 }; +static const unsigned ipgpio7_c_1_pins[] = { DB8500_PIN_G2 }; +static const unsigned smcleale_c_1_pins[] = { DB8500_PIN_E1, DB8500_PIN_E2 }; +static const unsigned stmape_c_1_pins[] = { DB8500_PIN_G5, DB8500_PIN_G4, + DB8500_PIN_H4, DB8500_PIN_H3, DB8500_PIN_J3 }; +static const unsigned u2rxtx_c_2_pins[] = { DB8500_PIN_H2, DB8500_PIN_J2 }; +static const unsigned ipgpio2_c_2_pins[] = { DB8500_PIN_F4 }; +static const unsigned ipgpio3_c_2_pins[] = { DB8500_PIN_E3 }; +static const unsigned ipgpio4_c_2_pins[] = { DB8500_PIN_E4 }; +static const unsigned ipgpio5_c_2_pins[] = { DB8500_PIN_D2 }; +static const unsigned mc5_c_1_pins[] = { DB8500_PIN_C6, DB8500_PIN_B3, + DB8500_PIN_C4, DB8500_PIN_E6, DB8500_PIN_A3, DB8500_PIN_B6, + DB8500_PIN_D6, DB8500_PIN_B7, DB8500_PIN_D7, DB8500_PIN_D8, + DB8500_PIN_D9 }; +static const unsigned mc2rstn_c_1_pins[] = { DB8500_PIN_C8 }; +static const unsigned kp_c_1_pins[] = { DB8500_PIN_C9, DB8500_PIN_B11, + DB8500_PIN_C12, DB8500_PIN_C11, DB8500_PIN_D17, DB8500_PIN_D16, + DB8500_PIN_C23, DB8500_PIN_D23 }; +static const unsigned smps1_c_1_pins[] = { DB8500_PIN_B14 }; +static const unsigned u2rxtx_c_3_pins[] = { DB8500_PIN_B17, DB8500_PIN_C16 }; +static const unsigned stmape_c_2_pins[] = { DB8500_PIN_C19, DB8500_PIN_C17, + DB8500_PIN_A18, DB8500_PIN_C18, DB8500_PIN_B19 }; +static const unsigned uartmodrx_c_1_pins[] = { DB8500_PIN_D21 }; +static const unsigned uartmodtx_c_1_pins[] = { DB8500_PIN_D20 }; +static const unsigned stmmod_c_1_pins[] = { DB8500_PIN_C20, DB8500_PIN_B21, + DB8500_PIN_C21, DB8500_PIN_A22, DB8500_PIN_B24 }; +static const unsigned usbsim_c_1_pins[] = { DB8500_PIN_D22 }; +static const unsigned mc4rstn_c_1_pins[] = { DB8500_PIN_AF25 }; +static const unsigned clkout_c_1_pins[] = { DB8500_PIN_AH13, DB8500_PIN_AH12 }; +static const unsigned i2c3_c_1_pins[] = { DB8500_PIN_AG12, DB8500_PIN_AH11 }; +static const unsigned spi0_c_1_pins[] = { DB8500_PIN_AH10, DB8500_PIN_AH9, + DB8500_PIN_AG9, DB8500_PIN_AG8 }; +static const unsigned usbsim_c_2_pins[] = { DB8500_PIN_AF8 }; +static const unsigned i2c3_c_2_pins[] = { DB8500_PIN_AG7, DB8500_PIN_AF7 }; + +/* Other C1 column */ +static const unsigned kp_oc1_1_pins[] = { DB8500_PIN_C6, DB8500_PIN_B3, + DB8500_PIN_C4, DB8500_PIN_E6, DB8500_PIN_A3, DB8500_PIN_B6, + DB8500_PIN_D6, DB8500_PIN_B7 }; +static const unsigned spi2_oc1_1_pins[] = { DB8500_PIN_AH13, DB8500_PIN_AG12, + DB8500_PIN_AH12, DB8500_PIN_AH11 }; + +#define DB8500_PIN_GROUP(a,b) { .name = #a, .pins = a##_pins, \ + .npins = ARRAY_SIZE(a##_pins), .altsetting = b } + +static const struct nmk_pingroup nmk_db8500_groups[] = { + /* Altfunction A column */ + DB8500_PIN_GROUP(u0_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(u1rxtx_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(u1ctsrts_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(ipi2c_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(ipi2c_a_2, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(msp0txrx_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(msp0tfstck_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(msp0rfsrck_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(mc0_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(msp1txrx_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(msp1_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(lcdb_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(lcdvsi0_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(lcdvsi1_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(lcd_d0_d7_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(lcd_d8_d11_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(lcd_d12_d23_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(kp_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(mc2_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(ssp1_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(ssp0_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(i2c0_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(ipgpio0_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(ipgpio1_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(msp2sck_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(msp2_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(mc4_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(mc1_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(hsir_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(hsit_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(clkout_a_1, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(clkout_a_2, NMK_GPIO_ALT_A), + DB8500_PIN_GROUP(usb_a_1, NMK_GPIO_ALT_A), + /* Altfunction B column */ + DB8500_PIN_GROUP(trig_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(i2c4_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(i2c1_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(i2c2_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(i2c2_b_2, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(msp0txrx_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(i2c1_b_2, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(u2rxtx_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(uartmodtx_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(msp0sck_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(uartmodrx_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(stmmod_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(uartmodrx_b_2, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(spi3_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(msp1txrx_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(kp_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(sm_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(smcs0_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(ipgpio7_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(ipgpio2_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(ipgpio3_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(lcdaclk_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(lcda_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(lcd_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(ddrtrig_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(pwl_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(spi1_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(mc3_b_1, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(pwl_b_2, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(pwl_b_3, NMK_GPIO_ALT_B), + DB8500_PIN_GROUP(pwl_b_4, NMK_GPIO_ALT_B), + /* Altfunction C column */ + DB8500_PIN_GROUP(ipjtag_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio6_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio0_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio1_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio3_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio2_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(slim0_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ms_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(iptrigout_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(u2rxtx_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(u2ctsrts_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(u0_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio4_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio5_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio6_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio7_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(smcleale_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(stmape_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(u2rxtx_c_2, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio2_c_2, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio3_c_2, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio4_c_2, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(ipgpio5_c_2, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(mc5_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(mc2rstn_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(kp_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(smps1_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(u2rxtx_c_3, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(stmape_c_2, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(uartmodrx_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(uartmodtx_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(stmmod_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(usbsim_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(mc4rstn_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(clkout_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(i2c3_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(spi0_c_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(usbsim_c_2, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(i2c3_c_2, NMK_GPIO_ALT_C), + /* Other alt C1 column, these are still configured as alt C */ + DB8500_PIN_GROUP(kp_oc1_1, NMK_GPIO_ALT_C), + DB8500_PIN_GROUP(spi2_oc1_1, NMK_GPIO_ALT_C), +}; + +/* We use this macro to define the groups applicable to a function */ +#define DB8500_FUNC_GROUPS(a, b...) \ +static const char * const a##_groups[] = { b }; + +DB8500_FUNC_GROUPS(u0, "u0_a_1", "u0_c_1"); +DB8500_FUNC_GROUPS(u1, "u1rxtx_a_1", "u1ctsrts_a_1"); +/* + * UART2 can be muxed out with just RX/TX in four places, CTS+RTS is however + * only available on two pins in alternative function C + */ +DB8500_FUNC_GROUPS(u2, "u2rxtx_b_1", "u2rxtx_c_1", "u2ctsrts_c_1", + "u2rxtx_c_2", "u2rxtx_c_3"); +DB8500_FUNC_GROUPS(ipi2c, "ipi2c_a_1", "ipi2c_a_2"); +/* + * MSP0 can only be on a certain set of pins, but the TX/RX pins can be + * switched around by selecting the altfunction A or B. The SCK pin is + * only available on the altfunction B. + */ +DB8500_FUNC_GROUPS(msp0, "msp0txrx_a_1", "msp0tfstck_a_1", "msp0rfstck_a_1", + "msp0txrx_b_1", "msp0sck_b_1"); +DB8500_FUNC_GROUPS(mc0, "mc0_a_1"); +/* MSP0 can swap RX/TX like MSP0 but has no SCK pin available */ +DB8500_FUNC_GROUPS(msp1, "msp1txrx_a_1", "msp1_a_1", "msp1txrx_b_1"); +DB8500_FUNC_GROUPS(lcdb, "lcdb_a_1"); +DB8500_FUNC_GROUPS(lcd, "lcdvsi0_a_1", "lcdvsi1_a_1", "lcd_d0_d7_a_1", + "lcd_d8_d11_a_1", "lcd_d12_d23_a_1", "lcd_b_1"); +DB8500_FUNC_GROUPS(kp, "kp_a_1", "kp_b_1", "kp_c_1", "kp_oc1_1"); +DB8500_FUNC_GROUPS(mc2, "mc2_a_1", "mc2rstn_c_1"); +DB8500_FUNC_GROUPS(ssp1, "ssp1_a_1"); +DB8500_FUNC_GROUPS(ssp0, "ssp0_a_1"); +DB8500_FUNC_GROUPS(i2c0, "i2c0_a_1"); +/* The image processor has 8 GPIO pins that can be muxed out */ +DB8500_FUNC_GROUPS(ipgpio, "ipgpio0_a_1", "ipgpio1_a_1", "ipgpio7_b_1", + "ipgpio2_b_1", "ipgpio3_b_1", "ipgpio6_c_1", "ipgpio0_c_1", + "ipgpio1_c_1", "ipgpio3_c_1", "ipgpio2_c_1", "ipgpio4_c_1", + "ipgpio5_c_1", "ipgpio6_c_2", "ipgpio7_c_1", "ipgpio2_c_2", + "ipgpio3_c_2", "ipgpio4_c_2", "ipgpio5_c_2"); +/* MSP2 can not invert the RX/TX pins but has the optional SCK pin */ +DB8500_FUNC_GROUPS(msp2, "msp2sck_a_1", "msp2_a_1"); +DB8500_FUNC_GROUPS(mc4, "mc4_a_1", "mc4rstn_c_1"); +DB8500_FUNC_GROUPS(mc1, "mc1_a_1", "mc1dir_a_1"); +DB8500_FUNC_GROUPS(hsi, "hsir1_a_1", "hsit1_a_1"); +DB8500_FUNC_GROUPS(clkout, "clkout_a_1", "clkout_a_2", "clkout_c_1"); +DB8500_FUNC_GROUPS(usb, "usb_a_1"); +DB8500_FUNC_GROUPS(trig, "trig_b_1"); +DB8500_FUNC_GROUPS(i2c4, "i2c4_b_1"); +DB8500_FUNC_GROUPS(i2c1, "i2c1_b_1", "i2c1_b_2"); +DB8500_FUNC_GROUPS(i2c2, "i2c2_b_1", "i2c2_b_2"); +/* + * The modem UART can output its RX and TX pins in some different places, + * so select one of each. + */ +DB8500_FUNC_GROUPS(uartmod, "uartmodtx_b_1", "uartmodrx_b_1", "uartmodrx_b_2", + "uartmodrx_c_1", "uartmod_tx_c_1"); +DB8500_FUNC_GROUPS(stmmod, "stmmod_b_1", "stmmod_c_1"); +DB8500_FUNC_GROUPS(spi3, "spi3_b_1"); +/* Select between CS0 on alt B or PS1 on alt C */ +DB8500_FUNC_GROUPS(sm, "sm_b_1", "smcs0_b_1", "smcleale_c_1", "smps1_c_1"); +DB8500_FUNC_GROUPS(lcda, "lcdaclk_b_1", "lcda_b_1"); +DB8500_FUNC_GROUPS(ddrtrig, "ddrtrig_b_1"); +DB8500_FUNC_GROUPS(pwl, "pwl_b_1", "pwl_b_2", "pwl_b_3", "pwl_b_4"); +DB8500_FUNC_GROUPS(spi1, "spi1_b_1"); +DB8500_FUNC_GROUPS(mc3, "mc3_b_1"); +DB8500_FUNC_GROUPS(ipjtag, "ipjtag_c_1"); +DB8500_FUNC_GROUPS(slim0, "slim0_c_1"); +DB8500_FUNC_GROUPS(ms, "ms_c_1"); +DB8500_FUNC_GROUPS(iptrigout, "iptrigout_c_1"); +DB8500_FUNC_GROUPS(stmape, "stmape_c_1", "stmape_c_2"); +DB8500_FUNC_GROUPS(mc5, "mc5_c_1"); +DB8500_FUNC_GROUPS(usbsim, "usbsim_c_1", "usbsim_c_2"); +DB8500_FUNC_GROUPS(i2c3, "i2c3_c_1", "i2c3_c_2"); +DB8500_FUNC_GROUPS(spi0, "spi0_c_1"); +DB8500_FUNC_GROUPS(spi2, "spi2_oc1_1"); + +#define FUNCTION(fname) \ + { \ + .name = #fname, \ + .groups = fname##_groups, \ + .ngroups = ARRAY_SIZE(fname##_groups), \ + } + +static const struct nmk_function nmk_db8500_functions[] = { + FUNCTION(u0), + FUNCTION(u1), + FUNCTION(u2), + FUNCTION(ipi2c), + FUNCTION(msp0), + FUNCTION(mc0), + FUNCTION(msp1), + FUNCTION(lcdb), + FUNCTION(lcd), + FUNCTION(kp), + FUNCTION(mc2), + FUNCTION(ssp1), + FUNCTION(ssp0), + FUNCTION(i2c0), + FUNCTION(ipgpio), + FUNCTION(msp2), + FUNCTION(mc4), + FUNCTION(mc1), + FUNCTION(hsi), + FUNCTION(clkout), + FUNCTION(usb), + FUNCTION(trig), + FUNCTION(i2c4), + FUNCTION(i2c1), + FUNCTION(i2c2), + FUNCTION(uartmod), + FUNCTION(stmmod), + FUNCTION(spi3), + FUNCTION(sm), + FUNCTION(lcda), + FUNCTION(ddrtrig), + FUNCTION(pwl), + FUNCTION(spi1), + FUNCTION(mc3), + FUNCTION(ipjtag), + FUNCTION(slim0), + FUNCTION(ms), + FUNCTION(iptrigout), + FUNCTION(stmape), + FUNCTION(mc5), + FUNCTION(usbsim), + FUNCTION(i2c3), + FUNCTION(spi0), + FUNCTION(spi2), +}; + +static const struct nmk_pinctrl_soc_data nmk_db8500_soc = { + .gpio_ranges = nmk_db8500_ranges, + .gpio_num_ranges = ARRAY_SIZE(nmk_db8500_ranges), + .pins = nmk_db8500_pins, + .npins = ARRAY_SIZE(nmk_db8500_pins), + .functions = nmk_db8500_functions, + .nfunctions = ARRAY_SIZE(nmk_db8500_functions), + .groups = nmk_db8500_groups, + .ngroups = ARRAY_SIZE(nmk_db8500_groups), +}; + +void __devinit +nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc) +{ + *soc = &nmk_db8500_soc; +} diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c new file mode 100644 index 000000000000..b8e01c3eaa95 --- /dev/null +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -0,0 +1,1780 @@ +/* + * Generic GPIO driver for logic cells found in the Nomadik SoC + * + * Copyright (C) 2008,2009 STMicroelectronics + * Copyright (C) 2009 Alessandro Rubini <rubini@unipv.it> + * Rewritten based on work by Prafulla WADASKAR <prafulla.wadaskar@st.com> + * Copyright (C) 2011 Linus Walleij <linus.walleij@linaro.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/gpio.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/slab.h> +#include <linux/pinctrl/pinctrl.h> +#include <linux/pinctrl/pinmux.h> +#include <linux/pinctrl/pinconf.h> +/* Since we request GPIOs from ourself */ +#include <linux/pinctrl/consumer.h> + +#include <asm/mach/irq.h> + +#include <plat/pincfg.h> +#include <plat/gpio-nomadik.h> + +#include "pinctrl-nomadik.h" + +/* + * The GPIO module in the Nomadik family of Systems-on-Chip is an + * AMBA device, managing 32 pins and alternate functions. The logic block + * is currently used in the Nomadik and ux500. + * + * Symbols in this file are called "nmk_gpio" for "nomadik gpio" + */ + +#define NMK_GPIO_PER_CHIP 32 + +struct nmk_gpio_chip { + struct gpio_chip chip; + struct irq_domain *domain; + void __iomem *addr; + struct clk *clk; + unsigned int bank; + unsigned int parent_irq; + int secondary_parent_irq; + u32 (*get_secondary_status)(unsigned int bank); + void (*set_ioforce)(bool enable); + spinlock_t lock; + bool sleepmode; + /* Keep track of configured edges */ + u32 edge_rising; + u32 edge_falling; + u32 real_wake; + u32 rwimsc; + u32 fwimsc; + u32 rimsc; + u32 fimsc; + u32 pull_up; + u32 lowemi; +}; + +struct nmk_pinctrl { + struct device *dev; + struct pinctrl_dev *pctl; + const struct nmk_pinctrl_soc_data *soc; +}; + +static struct nmk_gpio_chip * +nmk_gpio_chips[DIV_ROUND_UP(ARCH_NR_GPIOS, NMK_GPIO_PER_CHIP)]; + +static DEFINE_SPINLOCK(nmk_gpio_slpm_lock); + +#define NUM_BANKS ARRAY_SIZE(nmk_gpio_chips) + +static void __nmk_gpio_set_mode(struct nmk_gpio_chip *nmk_chip, + unsigned offset, int gpio_mode) +{ + u32 bit = 1 << offset; + u32 afunc, bfunc; + + afunc = readl(nmk_chip->addr + NMK_GPIO_AFSLA) & ~bit; + bfunc = readl(nmk_chip->addr + NMK_GPIO_AFSLB) & ~bit; + if (gpio_mode & NMK_GPIO_ALT_A) + afunc |= bit; + if (gpio_mode & NMK_GPIO_ALT_B) + bfunc |= bit; + writel(afunc, nmk_chip->addr + NMK_GPIO_AFSLA); + writel(bfunc, nmk_chip->addr + NMK_GPIO_AFSLB); +} + +static void __nmk_gpio_set_slpm(struct nmk_gpio_chip *nmk_chip, + unsigned offset, enum nmk_gpio_slpm mode) +{ + u32 bit = 1 << offset; + u32 slpm; + + slpm = readl(nmk_chip->addr + NMK_GPIO_SLPC); + if (mode == NMK_GPIO_SLPM_NOCHANGE) + slpm |= bit; + else + slpm &= ~bit; + writel(slpm, nmk_chip->addr + NMK_GPIO_SLPC); +} + +static void __nmk_gpio_set_pull(struct nmk_gpio_chip *nmk_chip, + unsigned offset, enum nmk_gpio_pull pull) +{ + u32 bit = 1 << offset; + u32 pdis; + + pdis = readl(nmk_chip->addr + NMK_GPIO_PDIS); + if (pull == NMK_GPIO_PULL_NONE) { + pdis |= bit; + nmk_chip->pull_up &= ~bit; + } else { + pdis &= ~bit; + } + + writel(pdis, nmk_chip->addr + NMK_GPIO_PDIS); + + if (pull == NMK_GPIO_PULL_UP) { + nmk_chip->pull_up |= bit; + writel(bit, nmk_chip->addr + NMK_GPIO_DATS); + } else if (pull == NMK_GPIO_PULL_DOWN) { + nmk_chip->pull_up &= ~bit; + writel(bit, nmk_chip->addr + NMK_GPIO_DATC); + } +} + +static void __nmk_gpio_set_lowemi(struct nmk_gpio_chip *nmk_chip, + unsigned offset, bool lowemi) +{ + u32 bit = BIT(offset); + bool enabled = nmk_chip->lowemi & bit; + + if (lowemi == enabled) + return; + + if (lowemi) + nmk_chip->lowemi |= bit; + else + nmk_chip->lowemi &= ~bit; + + writel_relaxed(nmk_chip->lowemi, + nmk_chip->addr + NMK_GPIO_LOWEMI); +} + +static void __nmk_gpio_make_input(struct nmk_gpio_chip *nmk_chip, + unsigned offset) +{ + writel(1 << offset, nmk_chip->addr + NMK_GPIO_DIRC); +} + +static void __nmk_gpio_set_output(struct nmk_gpio_chip *nmk_chip, + unsigned offset, int val) +{ + if (val) + writel(1 << offset, nmk_chip->addr + NMK_GPIO_DATS); + else + writel(1 << offset, nmk_chip->addr + NMK_GPIO_DATC); +} + +static void __nmk_gpio_make_output(struct nmk_gpio_chip *nmk_chip, + unsigned offset, int val) +{ + writel(1 << offset, nmk_chip->addr + NMK_GPIO_DIRS); + __nmk_gpio_set_output(nmk_chip, offset, val); +} + +static void __nmk_gpio_set_mode_safe(struct nmk_gpio_chip *nmk_chip, + unsigned offset, int gpio_mode, + bool glitch) +{ + u32 rwimsc = nmk_chip->rwimsc; + u32 fwimsc = nmk_chip->fwimsc; + + if (glitch && nmk_chip->set_ioforce) { + u32 bit = BIT(offset); + + /* Prevent spurious wakeups */ + writel(rwimsc & ~bit, nmk_chip->addr + NMK_GPIO_RWIMSC); + writel(fwimsc & ~bit, nmk_chip->addr + NMK_GPIO_FWIMSC); + + nmk_chip->set_ioforce(true); + } + + __nmk_gpio_set_mode(nmk_chip, offset, gpio_mode); + + if (glitch && nmk_chip->set_ioforce) { + nmk_chip->set_ioforce(false); + + writel(rwimsc, nmk_chip->addr + NMK_GPIO_RWIMSC); + writel(fwimsc, nmk_chip->addr + NMK_GPIO_FWIMSC); + } +} + +static void +nmk_gpio_disable_lazy_irq(struct nmk_gpio_chip *nmk_chip, unsigned offset) +{ + u32 falling = nmk_chip->fimsc & BIT(offset); + u32 rising = nmk_chip->rimsc & BIT(offset); + int gpio = nmk_chip->chip.base + offset; + int irq = NOMADIK_GPIO_TO_IRQ(gpio); + struct irq_data *d = irq_get_irq_data(irq); + + if (!rising && !falling) + return; + + if (!d || !irqd_irq_disabled(d)) + return; + + if (rising) { + nmk_chip->rimsc &= ~BIT(offset); + writel_relaxed(nmk_chip->rimsc, + nmk_chip->addr + NMK_GPIO_RIMSC); + } + + if (falling) { + nmk_chip->fimsc &= ~BIT(offset); + writel_relaxed(nmk_chip->fimsc, + nmk_chip->addr + NMK_GPIO_FIMSC); + } + + dev_dbg(nmk_chip->chip.dev, "%d: clearing interrupt mask\n", gpio); +} + +static void __nmk_config_pin(struct nmk_gpio_chip *nmk_chip, unsigned offset, + pin_cfg_t cfg, bool sleep, unsigned int *slpmregs) +{ + static const char *afnames[] = { + [NMK_GPIO_ALT_GPIO] = "GPIO", + [NMK_GPIO_ALT_A] = "A", + [NMK_GPIO_ALT_B] = "B", + [NMK_GPIO_ALT_C] = "C" + }; + static const char *pullnames[] = { + [NMK_GPIO_PULL_NONE] = "none", + [NMK_GPIO_PULL_UP] = "up", + [NMK_GPIO_PULL_DOWN] = "down", + [3] /* illegal */ = "??" + }; + static const char *slpmnames[] = { + [NMK_GPIO_SLPM_INPUT] = "input/wakeup", + [NMK_GPIO_SLPM_NOCHANGE] = "no-change/no-wakeup", + }; + + int pin = PIN_NUM(cfg); + int pull = PIN_PULL(cfg); + int af = PIN_ALT(cfg); + int slpm = PIN_SLPM(cfg); + int output = PIN_DIR(cfg); + int val = PIN_VAL(cfg); + bool glitch = af == NMK_GPIO_ALT_C; + + dev_dbg(nmk_chip->chip.dev, "pin %d [%#lx]: af %s, pull %s, slpm %s (%s%s)\n", + pin, cfg, afnames[af], pullnames[pull], slpmnames[slpm], + output ? "output " : "input", + output ? (val ? "high" : "low") : ""); + + if (sleep) { + int slpm_pull = PIN_SLPM_PULL(cfg); + int slpm_output = PIN_SLPM_DIR(cfg); + int slpm_val = PIN_SLPM_VAL(cfg); + + af = NMK_GPIO_ALT_GPIO; + + /* + * The SLPM_* values are normal values + 1 to allow zero to + * mean "same as normal". + */ + if (slpm_pull) + pull = slpm_pull - 1; + if (slpm_output) + output = slpm_output - 1; + if (slpm_val) + val = slpm_val - 1; + + dev_dbg(nmk_chip->chip.dev, "pin %d: sleep pull %s, dir %s, val %s\n", + pin, + slpm_pull ? pullnames[pull] : "same", + slpm_output ? (output ? "output" : "input") : "same", + slpm_val ? (val ? "high" : "low") : "same"); + } + + if (output) + __nmk_gpio_make_output(nmk_chip, offset, val); + else { + __nmk_gpio_make_input(nmk_chip, offset); + __nmk_gpio_set_pull(nmk_chip, offset, pull); + } + + __nmk_gpio_set_lowemi(nmk_chip, offset, PIN_LOWEMI(cfg)); + + /* + * If the pin is switching to altfunc, and there was an interrupt + * installed on it which has been lazy disabled, actually mask the + * interrupt to prevent spurious interrupts that would occur while the + * pin is under control of the peripheral. Only SKE does this. + */ + if (af != NMK_GPIO_ALT_GPIO) + nmk_gpio_disable_lazy_irq(nmk_chip, offset); + + /* + * If we've backed up the SLPM registers (glitch workaround), modify + * the backups since they will be restored. + */ + if (slpmregs) { + if (slpm == NMK_GPIO_SLPM_NOCHANGE) + slpmregs[nmk_chip->bank] |= BIT(offset); + else + slpmregs[nmk_chip->bank] &= ~BIT(offset); + } else + __nmk_gpio_set_slpm(nmk_chip, offset, slpm); + + __nmk_gpio_set_mode_safe(nmk_chip, offset, af, glitch); +} + +/* + * Safe sequence used to switch IOs between GPIO and Alternate-C mode: + * - Save SLPM registers + * - Set SLPM=0 for the IOs you want to switch and others to 1 + * - Configure the GPIO registers for the IOs that are being switched + * - Set IOFORCE=1 + * - Modify the AFLSA/B registers for the IOs that are being switched + * - Set IOFORCE=0 + * - Restore SLPM registers + * - Any spurious wake up event during switch sequence to be ignored and + * cleared + */ +static void nmk_gpio_glitch_slpm_init(unsigned int *slpm) +{ + int i; + + for (i = 0; i < NUM_BANKS; i++) { + struct nmk_gpio_chip *chip = nmk_gpio_chips[i]; + unsigned int temp = slpm[i]; + + if (!chip) + break; + + clk_enable(chip->clk); + + slpm[i] = readl(chip->addr + NMK_GPIO_SLPC); + writel(temp, chip->addr + NMK_GPIO_SLPC); + } +} + +static void nmk_gpio_glitch_slpm_restore(unsigned int *slpm) +{ + int i; + + for (i = 0; i < NUM_BANKS; i++) { + struct nmk_gpio_chip *chip = nmk_gpio_chips[i]; + + if (!chip) + break; + + writel(slpm[i], chip->addr + NMK_GPIO_SLPC); + + clk_disable(chip->clk); + } +} + +static int __nmk_config_pins(pin_cfg_t *cfgs, int num, bool sleep) +{ + static unsigned int slpm[NUM_BANKS]; + unsigned long flags; + bool glitch = false; + int ret = 0; + int i; + + for (i = 0; i < num; i++) { + if (PIN_ALT(cfgs[i]) == NMK_GPIO_ALT_C) { + glitch = true; + break; + } + } + + spin_lock_irqsave(&nmk_gpio_slpm_lock, flags); + + if (glitch) { + memset(slpm, 0xff, sizeof(slpm)); + + for (i = 0; i < num; i++) { + int pin = PIN_NUM(cfgs[i]); + int offset = pin % NMK_GPIO_PER_CHIP; + + if (PIN_ALT(cfgs[i]) == NMK_GPIO_ALT_C) + slpm[pin / NMK_GPIO_PER_CHIP] &= ~BIT(offset); + } + + nmk_gpio_glitch_slpm_init(slpm); + } + + for (i = 0; i < num; i++) { + struct nmk_gpio_chip *nmk_chip; + int pin = PIN_NUM(cfgs[i]); + + nmk_chip = nmk_gpio_chips[pin / NMK_GPIO_PER_CHIP]; + if (!nmk_chip) { + ret = -EINVAL; + break; + } + + clk_enable(nmk_chip->clk); + spin_lock(&nmk_chip->lock); + __nmk_config_pin(nmk_chip, pin % NMK_GPIO_PER_CHIP, + cfgs[i], sleep, glitch ? slpm : NULL); + spin_unlock(&nmk_chip->lock); + clk_disable(nmk_chip->clk); + } + + if (glitch) + nmk_gpio_glitch_slpm_restore(slpm); + + spin_unlock_irqrestore(&nmk_gpio_slpm_lock, flags); + + return ret; +} + +/** + * nmk_config_pin - configure a pin's mux attributes + * @cfg: pin confguration + * + * Configures a pin's mode (alternate function or GPIO), its pull up status, + * and its sleep mode based on the specified configuration. The @cfg is + * usually one of the SoC specific macros defined in mach/<soc>-pins.h. These + * are constructed using, and can be further enhanced with, the macros in + * plat/pincfg.h. + * + * If a pin's mode is set to GPIO, it is configured as an input to avoid + * side-effects. The gpio can be manipulated later using standard GPIO API + * calls. + */ +int nmk_config_pin(pin_cfg_t cfg, bool sleep) +{ + return __nmk_config_pins(&cfg, 1, sleep); +} +EXPORT_SYMBOL(nmk_config_pin); + +/** + * nmk_config_pins - configure several pins at once + * @cfgs: array of pin configurations + * @num: number of elments in the array + * + * Configures several pins using nmk_config_pin(). Refer to that function for + * further information. + */ +int nmk_config_pins(pin_cfg_t *cfgs, int num) +{ + return __nmk_config_pins(cfgs, num, false); +} +EXPORT_SYMBOL(nmk_config_pins); + +int nmk_config_pins_sleep(pin_cfg_t *cfgs, int num) +{ + return __nmk_config_pins(cfgs, num, true); +} +EXPORT_SYMBOL(nmk_config_pins_sleep); + +/** + * nmk_gpio_set_slpm() - configure the sleep mode of a pin + * @gpio: pin number + * @mode: NMK_GPIO_SLPM_INPUT or NMK_GPIO_SLPM_NOCHANGE, + * + * This register is actually in the pinmux layer, not the GPIO block itself. + * The GPIO1B_SLPM register defines the GPIO mode when SLEEP/DEEP-SLEEP + * mode is entered (i.e. when signal IOFORCE is HIGH by the platform code). + * Each GPIO can be configured to be forced into GPIO mode when IOFORCE is + * HIGH, overriding the normal setting defined by GPIO_AFSELx registers. + * When IOFORCE returns LOW (by software, after SLEEP/DEEP-SLEEP exit), + * the GPIOs return to the normal setting defined by GPIO_AFSELx registers. + * + * If @mode is NMK_GPIO_SLPM_INPUT, the corresponding GPIO is switched to GPIO + * mode when signal IOFORCE is HIGH (i.e. when SLEEP/DEEP-SLEEP mode is + * entered) regardless of the altfunction selected. Also wake-up detection is + * ENABLED. + * + * If @mode is NMK_GPIO_SLPM_NOCHANGE, the corresponding GPIO remains + * controlled by NMK_GPIO_DATC, NMK_GPIO_DATS, NMK_GPIO_DIR, NMK_GPIO_PDIS + * (for altfunction GPIO) or respective on-chip peripherals (for other + * altfuncs) when IOFORCE is HIGH. Also wake-up detection DISABLED. + * + * Note that enable_irq_wake() will automatically enable wakeup detection. + */ +int nmk_gpio_set_slpm(int gpio, enum nmk_gpio_slpm mode) +{ + struct nmk_gpio_chip *nmk_chip; + unsigned long flags; + + nmk_chip = nmk_gpio_chips[gpio / NMK_GPIO_PER_CHIP]; + if (!nmk_chip) + return -EINVAL; + + clk_enable(nmk_chip->clk); + spin_lock_irqsave(&nmk_gpio_slpm_lock, flags); + spin_lock(&nmk_chip->lock); + + __nmk_gpio_set_slpm(nmk_chip, gpio % NMK_GPIO_PER_CHIP, mode); + + spin_unlock(&nmk_chip->lock); + spin_unlock_irqrestore(&nmk_gpio_slpm_lock, flags); + clk_disable(nmk_chip->clk); + + return 0; +} + +/** + * nmk_gpio_set_pull() - enable/disable pull up/down on a gpio + * @gpio: pin number + * @pull: one of NMK_GPIO_PULL_DOWN, NMK_GPIO_PULL_UP, and NMK_GPIO_PULL_NONE + * + * Enables/disables pull up/down on a specified pin. This only takes effect if + * the pin is configured as an input (either explicitly or by the alternate + * function). + * + * NOTE: If enabling the pull up/down, the caller must ensure that the GPIO is + * configured as an input. Otherwise, due to the way the controller registers + * work, this function will change the value output on the pin. + */ +int nmk_gpio_set_pull(int gpio, enum nmk_gpio_pull pull) +{ + struct nmk_gpio_chip *nmk_chip; + unsigned long flags; + + nmk_chip = nmk_gpio_chips[gpio / NMK_GPIO_PER_CHIP]; + if (!nmk_chip) + return -EINVAL; + + clk_enable(nmk_chip->clk); + spin_lock_irqsave(&nmk_chip->lock, flags); + __nmk_gpio_set_pull(nmk_chip, gpio % NMK_GPIO_PER_CHIP, pull); + spin_unlock_irqrestore(&nmk_chip->lock, flags); + clk_disable(nmk_chip->clk); + + return 0; +} + +/* Mode functions */ +/** + * nmk_gpio_set_mode() - set the mux mode of a gpio pin + * @gpio: pin number + * @gpio_mode: one of NMK_GPIO_ALT_GPIO, NMK_GPIO_ALT_A, + * NMK_GPIO_ALT_B, and NMK_GPIO_ALT_C + * + * Sets the mode of the specified pin to one of the alternate functions or + * plain GPIO. + */ +int nmk_gpio_set_mode(int gpio, int gpio_mode) +{ + struct nmk_gpio_chip *nmk_chip; + unsigned long flags; + + nmk_chip = nmk_gpio_chips[gpio / NMK_GPIO_PER_CHIP]; + if (!nmk_chip) + return -EINVAL; + + clk_enable(nmk_chip->clk); + spin_lock_irqsave(&nmk_chip->lock, flags); + __nmk_gpio_set_mode(nmk_chip, gpio % NMK_GPIO_PER_CHIP, gpio_mode); + spin_unlock_irqrestore(&nmk_chip->lock, flags); + clk_disable(nmk_chip->clk); + + return 0; +} +EXPORT_SYMBOL(nmk_gpio_set_mode); + +int nmk_gpio_get_mode(int gpio) +{ + struct nmk_gpio_chip *nmk_chip; + u32 afunc, bfunc, bit; + + nmk_chip = nmk_gpio_chips[gpio / NMK_GPIO_PER_CHIP]; + if (!nmk_chip) + return -EINVAL; + + bit = 1 << (gpio % NMK_GPIO_PER_CHIP); + + clk_enable(nmk_chip->clk); + + afunc = readl(nmk_chip->addr + NMK_GPIO_AFSLA) & bit; + bfunc = readl(nmk_chip->addr + NMK_GPIO_AFSLB) & bit; + + clk_disable(nmk_chip->clk); + + return (afunc ? NMK_GPIO_ALT_A : 0) | (bfunc ? NMK_GPIO_ALT_B : 0); +} +EXPORT_SYMBOL(nmk_gpio_get_mode); + + +/* IRQ functions */ +static inline int nmk_gpio_get_bitmask(int gpio) +{ + return 1 << (gpio % NMK_GPIO_PER_CHIP); +} + +static void nmk_gpio_irq_ack(struct irq_data *d) +{ + struct nmk_gpio_chip *nmk_chip; + + nmk_chip = irq_data_get_irq_chip_data(d); + if (!nmk_chip) + return; + + clk_enable(nmk_chip->clk); + writel(nmk_gpio_get_bitmask(d->hwirq), nmk_chip->addr + NMK_GPIO_IC); + clk_disable(nmk_chip->clk); +} + +enum nmk_gpio_irq_type { + NORMAL, + WAKE, +}; + +static void __nmk_gpio_irq_modify(struct nmk_gpio_chip *nmk_chip, + int gpio, enum nmk_gpio_irq_type which, + bool enable) +{ + u32 bitmask = nmk_gpio_get_bitmask(gpio); + u32 *rimscval; + u32 *fimscval; + u32 rimscreg; + u32 fimscreg; + + if (which == NORMAL) { + rimscreg = NMK_GPIO_RIMSC; + fimscreg = NMK_GPIO_FIMSC; + rimscval = &nmk_chip->rimsc; + fimscval = &nmk_chip->fimsc; + } else { + rimscreg = NMK_GPIO_RWIMSC; + fimscreg = NMK_GPIO_FWIMSC; + rimscval = &nmk_chip->rwimsc; + fimscval = &nmk_chip->fwimsc; + } + + /* we must individually set/clear the two edges */ + if (nmk_chip->edge_rising & bitmask) { + if (enable) + *rimscval |= bitmask; + else + *rimscval &= ~bitmask; + writel(*rimscval, nmk_chip->addr + rimscreg); + } + if (nmk_chip->edge_falling & bitmask) { + if (enable) + *fimscval |= bitmask; + else + *fimscval &= ~bitmask; + writel(*fimscval, nmk_chip->addr + fimscreg); + } +} + +static void __nmk_gpio_set_wake(struct nmk_gpio_chip *nmk_chip, + int gpio, bool on) +{ + /* + * Ensure WAKEUP_ENABLE is on. No need to disable it if wakeup is + * disabled, since setting SLPM to 1 increases power consumption, and + * wakeup is anyhow controlled by the RIMSC and FIMSC registers. + */ + if (nmk_chip->sleepmode && on) { + __nmk_gpio_set_slpm(nmk_chip, gpio % nmk_chip->chip.base, + NMK_GPIO_SLPM_WAKEUP_ENABLE); + } + + __nmk_gpio_irq_modify(nmk_chip, gpio, WAKE, on); +} + +static int nmk_gpio_irq_maskunmask(struct irq_data *d, bool enable) +{ + struct nmk_gpio_chip *nmk_chip; + unsigned long flags; + u32 bitmask; + + nmk_chip = irq_data_get_irq_chip_data(d); + bitmask = nmk_gpio_get_bitmask(d->hwirq); + if (!nmk_chip) + return -EINVAL; + + clk_enable(nmk_chip->clk); + spin_lock_irqsave(&nmk_gpio_slpm_lock, flags); + spin_lock(&nmk_chip->lock); + + __nmk_gpio_irq_modify(nmk_chip, d->hwirq, NORMAL, enable); + + if (!(nmk_chip->real_wake & bitmask)) + __nmk_gpio_set_wake(nmk_chip, d->hwirq, enable); + + spin_unlock(&nmk_chip->lock); + spin_unlock_irqrestore(&nmk_gpio_slpm_lock, flags); + clk_disable(nmk_chip->clk); + + return 0; +} + +static void nmk_gpio_irq_mask(struct irq_data *d) +{ + nmk_gpio_irq_maskunmask(d, false); +} + +static void nmk_gpio_irq_unmask(struct irq_data *d) +{ + nmk_gpio_irq_maskunmask(d, true); +} + +static int nmk_gpio_irq_set_wake(struct irq_data *d, unsigned int on) +{ + struct nmk_gpio_chip *nmk_chip; + unsigned long flags; + u32 bitmask; + + nmk_chip = irq_data_get_irq_chip_data(d); + if (!nmk_chip) + return -EINVAL; + bitmask = nmk_gpio_get_bitmask(d->hwirq); + + clk_enable(nmk_chip->clk); + spin_lock_irqsave(&nmk_gpio_slpm_lock, flags); + spin_lock(&nmk_chip->lock); + + if (irqd_irq_disabled(d)) + __nmk_gpio_set_wake(nmk_chip, d->hwirq, on); + + if (on) + nmk_chip->real_wake |= bitmask; + else + nmk_chip->real_wake &= ~bitmask; + + spin_unlock(&nmk_chip->lock); + spin_unlock_irqrestore(&nmk_gpio_slpm_lock, flags); + clk_disable(nmk_chip->clk); + + return 0; +} + +static int nmk_gpio_irq_set_type(struct irq_data *d, unsigned int type) +{ + bool enabled = !irqd_irq_disabled(d); + bool wake = irqd_is_wakeup_set(d); + struct nmk_gpio_chip *nmk_chip; + unsigned long flags; + u32 bitmask; + + nmk_chip = irq_data_get_irq_chip_data(d); + bitmask = nmk_gpio_get_bitmask(d->hwirq); + if (!nmk_chip) + return -EINVAL; + if (type & IRQ_TYPE_LEVEL_HIGH) + return -EINVAL; + if (type & IRQ_TYPE_LEVEL_LOW) + return -EINVAL; + + clk_enable(nmk_chip->clk); + spin_lock_irqsave(&nmk_chip->lock, flags); + + if (enabled) + __nmk_gpio_irq_modify(nmk_chip, d->hwirq, NORMAL, false); + + if (enabled || wake) + __nmk_gpio_irq_modify(nmk_chip, d->hwirq, WAKE, false); + + nmk_chip->edge_rising &= ~bitmask; + if (type & IRQ_TYPE_EDGE_RISING) + nmk_chip->edge_rising |= bitmask; + + nmk_chip->edge_falling &= ~bitmask; + if (type & IRQ_TYPE_EDGE_FALLING) + nmk_chip->edge_falling |= bitmask; + + if (enabled) + __nmk_gpio_irq_modify(nmk_chip, d->hwirq, NORMAL, true); + + if (enabled || wake) + __nmk_gpio_irq_modify(nmk_chip, d->hwirq, WAKE, true); + + spin_unlock_irqrestore(&nmk_chip->lock, flags); + clk_disable(nmk_chip->clk); + + return 0; +} + +static unsigned int nmk_gpio_irq_startup(struct irq_data *d) +{ + struct nmk_gpio_chip *nmk_chip = irq_data_get_irq_chip_data(d); + + clk_enable(nmk_chip->clk); + nmk_gpio_irq_unmask(d); + return 0; +} + +static void nmk_gpio_irq_shutdown(struct irq_data *d) +{ + struct nmk_gpio_chip *nmk_chip = irq_data_get_irq_chip_data(d); + + nmk_gpio_irq_mask(d); + clk_disable(nmk_chip->clk); +} + +static struct irq_chip nmk_gpio_irq_chip = { + .name = "Nomadik-GPIO", + .irq_ack = nmk_gpio_irq_ack, + .irq_mask = nmk_gpio_irq_mask, + .irq_unmask = nmk_gpio_irq_unmask, + .irq_set_type = nmk_gpio_irq_set_type, + .irq_set_wake = nmk_gpio_irq_set_wake, + .irq_startup = nmk_gpio_irq_startup, + .irq_shutdown = nmk_gpio_irq_shutdown, +}; + +static void __nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc, + u32 status) +{ + struct nmk_gpio_chip *nmk_chip; + struct irq_chip *host_chip = irq_get_chip(irq); + unsigned int first_irq; + + chained_irq_enter(host_chip, desc); + + nmk_chip = irq_get_handler_data(irq); + first_irq = nmk_chip->domain->revmap_data.legacy.first_irq; + while (status) { + int bit = __ffs(status); + + generic_handle_irq(first_irq + bit); + status &= ~BIT(bit); + } + + chained_irq_exit(host_chip, desc); +} + +static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + struct nmk_gpio_chip *nmk_chip = irq_get_handler_data(irq); + u32 status; + + clk_enable(nmk_chip->clk); + status = readl(nmk_chip->addr + NMK_GPIO_IS); + clk_disable(nmk_chip->clk); + + __nmk_gpio_irq_handler(irq, desc, status); +} + +static void nmk_gpio_secondary_irq_handler(unsigned int irq, + struct irq_desc *desc) +{ + struct nmk_gpio_chip *nmk_chip = irq_get_handler_data(irq); + u32 status = nmk_chip->get_secondary_status(nmk_chip->bank); + + __nmk_gpio_irq_handler(irq, desc, status); +} + +static int nmk_gpio_init_irq(struct nmk_gpio_chip *nmk_chip) +{ + irq_set_chained_handler(nmk_chip->parent_irq, nmk_gpio_irq_handler); + irq_set_handler_data(nmk_chip->parent_irq, nmk_chip); + + if (nmk_chip->secondary_parent_irq >= 0) { + irq_set_chained_handler(nmk_chip->secondary_parent_irq, + nmk_gpio_secondary_irq_handler); + irq_set_handler_data(nmk_chip->secondary_parent_irq, nmk_chip); + } + + return 0; +} + +/* I/O Functions */ + +static int nmk_gpio_request(struct gpio_chip *chip, unsigned offset) +{ + /* + * Map back to global GPIO space and request muxing, the direction + * parameter does not matter for this controller. + */ + int gpio = chip->base + offset; + + return pinctrl_request_gpio(gpio); +} + +static void nmk_gpio_free(struct gpio_chip *chip, unsigned offset) +{ + int gpio = chip->base + offset; + + pinctrl_free_gpio(gpio); +} + +static int nmk_gpio_make_input(struct gpio_chip *chip, unsigned offset) +{ + struct nmk_gpio_chip *nmk_chip = + container_of(chip, struct nmk_gpio_chip, chip); + + clk_enable(nmk_chip->clk); + + writel(1 << offset, nmk_chip->addr + NMK_GPIO_DIRC); + + clk_disable(nmk_chip->clk); + + return 0; +} + +static int nmk_gpio_get_input(struct gpio_chip *chip, unsigned offset) +{ + struct nmk_gpio_chip *nmk_chip = + container_of(chip, struct nmk_gpio_chip, chip); + u32 bit = 1 << offset; + int value; + + clk_enable(nmk_chip->clk); + + value = (readl(nmk_chip->addr + NMK_GPIO_DAT) & bit) != 0; + + clk_disable(nmk_chip->clk); + + return value; +} + +static void nmk_gpio_set_output(struct gpio_chip *chip, unsigned offset, + int val) +{ + struct nmk_gpio_chip *nmk_chip = + container_of(chip, struct nmk_gpio_chip, chip); + + clk_enable(nmk_chip->clk); + + __nmk_gpio_set_output(nmk_chip, offset, val); + + clk_disable(nmk_chip->clk); +} + +static int nmk_gpio_make_output(struct gpio_chip *chip, unsigned offset, + int val) +{ + struct nmk_gpio_chip *nmk_chip = + container_of(chip, struct nmk_gpio_chip, chip); + + clk_enable(nmk_chip->clk); + + __nmk_gpio_make_output(nmk_chip, offset, val); + + clk_disable(nmk_chip->clk); + + return 0; +} + +static int nmk_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + struct nmk_gpio_chip *nmk_chip = + container_of(chip, struct nmk_gpio_chip, chip); + + return irq_find_mapping(nmk_chip->domain, offset); +} + +#ifdef CONFIG_DEBUG_FS + +#include <linux/seq_file.h> + +static void nmk_gpio_dbg_show_one(struct seq_file *s, struct gpio_chip *chip, + unsigned offset, unsigned gpio) +{ + const char *label = gpiochip_is_requested(chip, offset); + struct nmk_gpio_chip *nmk_chip = + container_of(chip, struct nmk_gpio_chip, chip); + int mode; + bool is_out; + bool pull; + u32 bit = 1 << offset; + const char *modes[] = { + [NMK_GPIO_ALT_GPIO] = "gpio", + [NMK_GPIO_ALT_A] = "altA", + [NMK_GPIO_ALT_B] = "altB", + [NMK_GPIO_ALT_C] = "altC", + }; + + clk_enable(nmk_chip->clk); + is_out = !!(readl(nmk_chip->addr + NMK_GPIO_DIR) & bit); + pull = !(readl(nmk_chip->addr + NMK_GPIO_PDIS) & bit); + mode = nmk_gpio_get_mode(gpio); + + seq_printf(s, " gpio-%-3d (%-20.20s) %s %s %s %s", + gpio, label ?: "(none)", + is_out ? "out" : "in ", + chip->get + ? (chip->get(chip, offset) ? "hi" : "lo") + : "? ", + (mode < 0) ? "unknown" : modes[mode], + pull ? "pull" : "none"); + + if (label && !is_out) { + int irq = gpio_to_irq(gpio); + struct irq_desc *desc = irq_to_desc(irq); + + /* This races with request_irq(), set_irq_type(), + * and set_irq_wake() ... but those are "rare". + */ + if (irq >= 0 && desc->action) { + char *trigger; + u32 bitmask = nmk_gpio_get_bitmask(gpio); + + if (nmk_chip->edge_rising & bitmask) + trigger = "edge-rising"; + else if (nmk_chip->edge_falling & bitmask) + trigger = "edge-falling"; + else + trigger = "edge-undefined"; + + seq_printf(s, " irq-%d %s%s", + irq, trigger, + irqd_is_wakeup_set(&desc->irq_data) + ? " wakeup" : ""); + } + } + clk_disable(nmk_chip->clk); +} + +static void nmk_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) +{ + unsigned i; + unsigned gpio = chip->base; + + for (i = 0; i < chip->ngpio; i++, gpio++) { + nmk_gpio_dbg_show_one(s, chip, i, gpio); + seq_printf(s, "\n"); + } +} + +#else +static inline void nmk_gpio_dbg_show_one(struct seq_file *s, + struct gpio_chip *chip, + unsigned offset, unsigned gpio) +{ +} +#define nmk_gpio_dbg_show NULL +#endif + +/* This structure is replicated for each GPIO block allocated at probe time */ +static struct gpio_chip nmk_gpio_template = { + .request = nmk_gpio_request, + .free = nmk_gpio_free, + .direction_input = nmk_gpio_make_input, + .get = nmk_gpio_get_input, + .direction_output = nmk_gpio_make_output, + .set = nmk_gpio_set_output, + .to_irq = nmk_gpio_to_irq, + .dbg_show = nmk_gpio_dbg_show, + .can_sleep = 0, +}; + +void nmk_gpio_clocks_enable(void) +{ + int i; + + for (i = 0; i < NUM_BANKS; i++) { + struct nmk_gpio_chip *chip = nmk_gpio_chips[i]; + + if (!chip) + continue; + + clk_enable(chip->clk); + } +} + +void nmk_gpio_clocks_disable(void) +{ + int i; + + for (i = 0; i < NUM_BANKS; i++) { + struct nmk_gpio_chip *chip = nmk_gpio_chips[i]; + + if (!chip) + continue; + + clk_disable(chip->clk); + } +} + +/* + * Called from the suspend/resume path to only keep the real wakeup interrupts + * (those that have had set_irq_wake() called on them) as wakeup interrupts, + * and not the rest of the interrupts which we needed to have as wakeups for + * cpuidle. + * + * PM ops are not used since this needs to be done at the end, after all the + * other drivers are done with their suspend callbacks. + */ +void nmk_gpio_wakeups_suspend(void) +{ + int i; + + for (i = 0; i < NUM_BANKS; i++) { + struct nmk_gpio_chip *chip = nmk_gpio_chips[i]; + + if (!chip) + break; + + clk_enable(chip->clk); + + writel(chip->rwimsc & chip->real_wake, + chip->addr + NMK_GPIO_RWIMSC); + writel(chip->fwimsc & chip->real_wake, + chip->addr + NMK_GPIO_FWIMSC); + + clk_disable(chip->clk); + } +} + +void nmk_gpio_wakeups_resume(void) +{ + int i; + + for (i = 0; i < NUM_BANKS; i++) { + struct nmk_gpio_chip *chip = nmk_gpio_chips[i]; + + if (!chip) + break; + + clk_enable(chip->clk); + + writel(chip->rwimsc, chip->addr + NMK_GPIO_RWIMSC); + writel(chip->fwimsc, chip->addr + NMK_GPIO_FWIMSC); + + clk_disable(chip->clk); + } +} + +/* + * Read the pull up/pull down status. + * A bit set in 'pull_up' means that pull up + * is selected if pull is enabled in PDIS register. + * Note: only pull up/down set via this driver can + * be detected due to HW limitations. + */ +void nmk_gpio_read_pull(int gpio_bank, u32 *pull_up) +{ + if (gpio_bank < NUM_BANKS) { + struct nmk_gpio_chip *chip = nmk_gpio_chips[gpio_bank]; + + if (!chip) + return; + + *pull_up = chip->pull_up; + } +} + +int nmk_gpio_irq_map(struct irq_domain *d, unsigned int irq, + irq_hw_number_t hwirq) +{ + struct nmk_gpio_chip *nmk_chip = d->host_data; + + if (!nmk_chip) + return -EINVAL; + + irq_set_chip_and_handler(irq, &nmk_gpio_irq_chip, handle_edge_irq); + set_irq_flags(irq, IRQF_VALID); + irq_set_chip_data(irq, nmk_chip); + irq_set_irq_type(irq, IRQ_TYPE_EDGE_FALLING); + + return 0; +} + +const struct irq_domain_ops nmk_gpio_irq_simple_ops = { + .map = nmk_gpio_irq_map, + .xlate = irq_domain_xlate_twocell, +}; + +static int __devinit nmk_gpio_probe(struct platform_device *dev) +{ + struct nmk_gpio_platform_data *pdata = dev->dev.platform_data; + struct device_node *np = dev->dev.of_node; + struct nmk_gpio_chip *nmk_chip; + struct gpio_chip *chip; + struct resource *res; + struct clk *clk; + int secondary_irq; + void __iomem *base; + int irq; + int ret; + + if (!pdata && !np) { + dev_err(&dev->dev, "No platform data or device tree found\n"); + return -ENODEV; + } + + if (np) { + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + if (of_get_property(np, "supports-sleepmode", NULL)) + pdata->supports_sleepmode = true; + + if (of_property_read_u32(np, "gpio-bank", &dev->id)) { + dev_err(&dev->dev, "gpio-bank property not found\n"); + ret = -EINVAL; + goto out; + } + + pdata->first_gpio = dev->id * NMK_GPIO_PER_CHIP; + pdata->num_gpio = NMK_GPIO_PER_CHIP; + } + + res = platform_get_resource(dev, IORESOURCE_MEM, 0); + if (!res) { + ret = -ENOENT; + goto out; + } + + irq = platform_get_irq(dev, 0); + if (irq < 0) { + ret = irq; + goto out; + } + + secondary_irq = platform_get_irq(dev, 1); + if (secondary_irq >= 0 && !pdata->get_secondary_status) { + ret = -EINVAL; + goto out; + } + + if (request_mem_region(res->start, resource_size(res), + dev_name(&dev->dev)) == NULL) { + ret = -EBUSY; + goto out; + } + + base = ioremap(res->start, resource_size(res)); + if (!base) { + ret = -ENOMEM; + goto out_release; + } + + clk = clk_get(&dev->dev, NULL); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto out_unmap; + } + + nmk_chip = kzalloc(sizeof(*nmk_chip), GFP_KERNEL); + if (!nmk_chip) { + ret = -ENOMEM; + goto out_clk; + } + + /* + * The virt address in nmk_chip->addr is in the nomadik register space, + * so we can simply convert the resource address, without remapping + */ + nmk_chip->bank = dev->id; + nmk_chip->clk = clk; + nmk_chip->addr = base; + nmk_chip->chip = nmk_gpio_template; + nmk_chip->parent_irq = irq; + nmk_chip->secondary_parent_irq = secondary_irq; + nmk_chip->get_secondary_status = pdata->get_secondary_status; + nmk_chip->set_ioforce = pdata->set_ioforce; + nmk_chip->sleepmode = pdata->supports_sleepmode; + spin_lock_init(&nmk_chip->lock); + + chip = &nmk_chip->chip; + chip->base = pdata->first_gpio; + chip->ngpio = pdata->num_gpio; + chip->label = pdata->name ?: dev_name(&dev->dev); + chip->dev = &dev->dev; + chip->owner = THIS_MODULE; + + clk_enable(nmk_chip->clk); + nmk_chip->lowemi = readl_relaxed(nmk_chip->addr + NMK_GPIO_LOWEMI); + clk_disable(nmk_chip->clk); + +#ifdef CONFIG_OF_GPIO + chip->of_node = np; +#endif + + ret = gpiochip_add(&nmk_chip->chip); + if (ret) + goto out_free; + + BUG_ON(nmk_chip->bank >= ARRAY_SIZE(nmk_gpio_chips)); + + nmk_gpio_chips[nmk_chip->bank] = nmk_chip; + + platform_set_drvdata(dev, nmk_chip); + + nmk_chip->domain = irq_domain_add_legacy(np, NMK_GPIO_PER_CHIP, + NOMADIK_GPIO_TO_IRQ(pdata->first_gpio), + 0, &nmk_gpio_irq_simple_ops, nmk_chip); + if (!nmk_chip->domain) { + pr_err("%s: Failed to create irqdomain\n", np->full_name); + ret = -ENOSYS; + goto out_free; + } + + nmk_gpio_init_irq(nmk_chip); + + dev_info(&dev->dev, "at address %p\n", nmk_chip->addr); + + return 0; + +out_free: + kfree(nmk_chip); +out_clk: + clk_disable(clk); + clk_put(clk); +out_unmap: + iounmap(base); +out_release: + release_mem_region(res->start, resource_size(res)); +out: + dev_err(&dev->dev, "Failure %i for GPIO %i-%i\n", ret, + pdata->first_gpio, pdata->first_gpio+31); + if (np) + kfree(pdata); + + return ret; +} + +static int nmk_get_groups_cnt(struct pinctrl_dev *pctldev) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + + return npct->soc->ngroups; +} + +static const char *nmk_get_group_name(struct pinctrl_dev *pctldev, + unsigned selector) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + + return npct->soc->groups[selector].name; +} + +static int nmk_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector, + const unsigned **pins, + unsigned *num_pins) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + + *pins = npct->soc->groups[selector].pins; + *num_pins = npct->soc->groups[selector].npins; + return 0; +} + +static struct pinctrl_gpio_range * +nmk_match_gpio_range(struct pinctrl_dev *pctldev, unsigned offset) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + int i; + + for (i = 0; i < npct->soc->gpio_num_ranges; i++) { + struct pinctrl_gpio_range *range; + + range = &npct->soc->gpio_ranges[i]; + if (offset >= range->pin_base && + offset <= (range->pin_base + range->npins - 1)) + return range; + } + return NULL; +} + +static void nmk_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, + unsigned offset) +{ + struct pinctrl_gpio_range *range; + struct gpio_chip *chip; + + range = nmk_match_gpio_range(pctldev, offset); + if (!range || !range->gc) { + seq_printf(s, "invalid pin offset"); + return; + } + chip = range->gc; + nmk_gpio_dbg_show_one(s, chip, offset - chip->base, offset); +} + +static struct pinctrl_ops nmk_pinctrl_ops = { + .get_groups_count = nmk_get_groups_cnt, + .get_group_name = nmk_get_group_name, + .get_group_pins = nmk_get_group_pins, + .pin_dbg_show = nmk_pin_dbg_show, +}; + +static int nmk_pmx_get_funcs_cnt(struct pinctrl_dev *pctldev) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + + return npct->soc->nfunctions; +} + +static const char *nmk_pmx_get_func_name(struct pinctrl_dev *pctldev, + unsigned function) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + + return npct->soc->functions[function].name; +} + +static int nmk_pmx_get_func_groups(struct pinctrl_dev *pctldev, + unsigned function, + const char * const **groups, + unsigned * const num_groups) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + + *groups = npct->soc->functions[function].groups; + *num_groups = npct->soc->functions[function].ngroups; + + return 0; +} + +static int nmk_pmx_enable(struct pinctrl_dev *pctldev, unsigned function, + unsigned group) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + const struct nmk_pingroup *g; + static unsigned int slpm[NUM_BANKS]; + unsigned long flags; + bool glitch; + int ret = -EINVAL; + int i; + + g = &npct->soc->groups[group]; + + if (g->altsetting < 0) + return -EINVAL; + + dev_dbg(npct->dev, "enable group %s, %u pins\n", g->name, g->npins); + + /* Handle this special glitch on altfunction C */ + glitch = (g->altsetting == NMK_GPIO_ALT_C); + + if (glitch) { + spin_lock_irqsave(&nmk_gpio_slpm_lock, flags); + + /* Initially don't put any pins to sleep when switching */ + memset(slpm, 0xff, sizeof(slpm)); + + /* + * Then mask the pins that need to be sleeping now when we're + * switching to the ALT C function. + */ + for (i = 0; i < g->npins; i++) + slpm[g->pins[i] / NMK_GPIO_PER_CHIP] &= ~BIT(g->pins[i]); + nmk_gpio_glitch_slpm_init(slpm); + } + + for (i = 0; i < g->npins; i++) { + struct pinctrl_gpio_range *range; + struct nmk_gpio_chip *nmk_chip; + struct gpio_chip *chip; + unsigned bit; + + range = nmk_match_gpio_range(pctldev, g->pins[i]); + if (!range) { + dev_err(npct->dev, + "invalid pin offset %d in group %s at index %d\n", + g->pins[i], g->name, i); + goto out_glitch; + } + if (!range->gc) { + dev_err(npct->dev, "GPIO chip missing in range for pin offset %d in group %s at index %d\n", + g->pins[i], g->name, i); + goto out_glitch; + } + chip = range->gc; + nmk_chip = container_of(chip, struct nmk_gpio_chip, chip); + dev_dbg(npct->dev, "setting pin %d to altsetting %d\n", g->pins[i], g->altsetting); + + clk_enable(nmk_chip->clk); + bit = g->pins[i] % NMK_GPIO_PER_CHIP; + /* + * If the pin is switching to altfunc, and there was an + * interrupt installed on it which has been lazy disabled, + * actually mask the interrupt to prevent spurious interrupts + * that would occur while the pin is under control of the + * peripheral. Only SKE does this. + */ + nmk_gpio_disable_lazy_irq(nmk_chip, bit); + + __nmk_gpio_set_mode_safe(nmk_chip, bit, g->altsetting, glitch); + clk_disable(nmk_chip->clk); + } + + /* When all pins are successfully reconfigured we get here */ + ret = 0; + +out_glitch: + if (glitch) { + nmk_gpio_glitch_slpm_restore(slpm); + spin_unlock_irqrestore(&nmk_gpio_slpm_lock, flags); + } + + return ret; +} + +static void nmk_pmx_disable(struct pinctrl_dev *pctldev, + unsigned function, unsigned group) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + const struct nmk_pingroup *g; + + g = &npct->soc->groups[group]; + + if (g->altsetting < 0) + return; + + /* Poke out the mux, set the pin to some default state? */ + dev_dbg(npct->dev, "disable group %s, %u pins\n", g->name, g->npins); +} + +int nmk_gpio_request_enable(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned offset) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + struct nmk_gpio_chip *nmk_chip; + struct gpio_chip *chip; + unsigned bit; + + if (!range) { + dev_err(npct->dev, "invalid range\n"); + return -EINVAL; + } + if (!range->gc) { + dev_err(npct->dev, "missing GPIO chip in range\n"); + return -EINVAL; + } + chip = range->gc; + nmk_chip = container_of(chip, struct nmk_gpio_chip, chip); + + dev_dbg(npct->dev, "enable pin %u as GPIO\n", offset); + + clk_enable(nmk_chip->clk); + bit = offset % NMK_GPIO_PER_CHIP; + /* There is no glitch when converting any pin to GPIO */ + __nmk_gpio_set_mode(nmk_chip, bit, NMK_GPIO_ALT_GPIO); + clk_disable(nmk_chip->clk); + + return 0; +} + +void nmk_gpio_disable_free(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned offset) +{ + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + + dev_dbg(npct->dev, "disable pin %u as GPIO\n", offset); + /* Set the pin to some default state, GPIO is usually default */ +} + +static struct pinmux_ops nmk_pinmux_ops = { + .get_functions_count = nmk_pmx_get_funcs_cnt, + .get_function_name = nmk_pmx_get_func_name, + .get_function_groups = nmk_pmx_get_func_groups, + .enable = nmk_pmx_enable, + .disable = nmk_pmx_disable, + .gpio_request_enable = nmk_gpio_request_enable, + .gpio_disable_free = nmk_gpio_disable_free, +}; + +int nmk_pin_config_get(struct pinctrl_dev *pctldev, + unsigned pin, + unsigned long *config) +{ + /* Not implemented */ + return -EINVAL; +} + +int nmk_pin_config_set(struct pinctrl_dev *pctldev, + unsigned pin, + unsigned long config) +{ + static const char *pullnames[] = { + [NMK_GPIO_PULL_NONE] = "none", + [NMK_GPIO_PULL_UP] = "up", + [NMK_GPIO_PULL_DOWN] = "down", + [3] /* illegal */ = "??" + }; + static const char *slpmnames[] = { + [NMK_GPIO_SLPM_INPUT] = "input/wakeup", + [NMK_GPIO_SLPM_NOCHANGE] = "no-change/no-wakeup", + }; + struct nmk_pinctrl *npct = pinctrl_dev_get_drvdata(pctldev); + struct nmk_gpio_chip *nmk_chip; + struct pinctrl_gpio_range *range; + struct gpio_chip *chip; + unsigned bit; + + /* + * The pin config contains pin number and altfunction fields, here + * we just ignore that part. It's being handled by the framework and + * pinmux callback respectively. + */ + pin_cfg_t cfg = (pin_cfg_t) config; + int pull = PIN_PULL(cfg); + int slpm = PIN_SLPM(cfg); + int output = PIN_DIR(cfg); + int val = PIN_VAL(cfg); + bool lowemi = PIN_LOWEMI(cfg); + bool gpiomode = PIN_GPIOMODE(cfg); + bool sleep = PIN_SLEEPMODE(cfg); + + range = nmk_match_gpio_range(pctldev, pin); + if (!range) { + dev_err(npct->dev, "invalid pin offset %d\n", pin); + return -EINVAL; + } + if (!range->gc) { + dev_err(npct->dev, "GPIO chip missing in range for pin %d\n", + pin); + return -EINVAL; + } + chip = range->gc; + nmk_chip = container_of(chip, struct nmk_gpio_chip, chip); + + if (sleep) { + int slpm_pull = PIN_SLPM_PULL(cfg); + int slpm_output = PIN_SLPM_DIR(cfg); + int slpm_val = PIN_SLPM_VAL(cfg); + + /* All pins go into GPIO mode at sleep */ + gpiomode = true; + + /* + * The SLPM_* values are normal values + 1 to allow zero to + * mean "same as normal". + */ + if (slpm_pull) + pull = slpm_pull - 1; + if (slpm_output) + output = slpm_output - 1; + if (slpm_val) + val = slpm_val - 1; + + dev_dbg(nmk_chip->chip.dev, "pin %d: sleep pull %s, dir %s, val %s\n", + pin, + slpm_pull ? pullnames[pull] : "same", + slpm_output ? (output ? "output" : "input") : "same", + slpm_val ? (val ? "high" : "low") : "same"); + } + + dev_dbg(nmk_chip->chip.dev, "pin %d [%#lx]: pull %s, slpm %s (%s%s), lowemi %s\n", + pin, cfg, pullnames[pull], slpmnames[slpm], + output ? "output " : "input", + output ? (val ? "high" : "low") : "", + lowemi ? "on" : "off" ); + + clk_enable(nmk_chip->clk); + bit = pin % NMK_GPIO_PER_CHIP; + if (gpiomode) + /* No glitch when going to GPIO mode */ + __nmk_gpio_set_mode(nmk_chip, bit, NMK_GPIO_ALT_GPIO); + if (output) + __nmk_gpio_make_output(nmk_chip, bit, val); + else { + __nmk_gpio_make_input(nmk_chip, bit); + __nmk_gpio_set_pull(nmk_chip, bit, pull); + } + /* TODO: isn't this only applicable on output pins? */ + __nmk_gpio_set_lowemi(nmk_chip, bit, lowemi); + + __nmk_gpio_set_slpm(nmk_chip, bit, slpm); + clk_disable(nmk_chip->clk); + return 0; +} + +static struct pinconf_ops nmk_pinconf_ops = { + .pin_config_get = nmk_pin_config_get, + .pin_config_set = nmk_pin_config_set, +}; + +static struct pinctrl_desc nmk_pinctrl_desc = { + .name = "pinctrl-nomadik", + .pctlops = &nmk_pinctrl_ops, + .pmxops = &nmk_pinmux_ops, + .confops = &nmk_pinconf_ops, + .owner = THIS_MODULE, +}; + +static int __devinit nmk_pinctrl_probe(struct platform_device *pdev) +{ + const struct platform_device_id *platid = platform_get_device_id(pdev); + struct nmk_pinctrl *npct; + int i; + + npct = devm_kzalloc(&pdev->dev, sizeof(*npct), GFP_KERNEL); + if (!npct) + return -ENOMEM; + + /* Poke in other ASIC variants here */ + if (platid->driver_data == PINCTRL_NMK_DB8500) + nmk_pinctrl_db8500_init(&npct->soc); + + /* + * We need all the GPIO drivers to probe FIRST, or we will not be able + * to obtain references to the struct gpio_chip * for them, and we + * need this to proceed. + */ + for (i = 0; i < npct->soc->gpio_num_ranges; i++) { + if (!nmk_gpio_chips[i]) { + dev_warn(&pdev->dev, "GPIO chip %d not registered yet\n", i); + devm_kfree(&pdev->dev, npct); + return -EPROBE_DEFER; + } + npct->soc->gpio_ranges[i].gc = &nmk_gpio_chips[i]->chip; + } + + nmk_pinctrl_desc.pins = npct->soc->pins; + nmk_pinctrl_desc.npins = npct->soc->npins; + npct->dev = &pdev->dev; + npct->pctl = pinctrl_register(&nmk_pinctrl_desc, &pdev->dev, npct); + if (!npct->pctl) { + dev_err(&pdev->dev, "could not register Nomadik pinctrl driver\n"); + return -EINVAL; + } + + /* We will handle a range of GPIO pins */ + for (i = 0; i < npct->soc->gpio_num_ranges; i++) + pinctrl_add_gpio_range(npct->pctl, &npct->soc->gpio_ranges[i]); + + platform_set_drvdata(pdev, npct); + dev_info(&pdev->dev, "initialized Nomadik pin control driver\n"); + + return 0; +} + +static const struct of_device_id nmk_gpio_match[] = { + { .compatible = "st,nomadik-gpio", }, + {} +}; + +static struct platform_driver nmk_gpio_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "gpio", + .of_match_table = nmk_gpio_match, + }, + .probe = nmk_gpio_probe, +}; + +static const struct platform_device_id nmk_pinctrl_id[] = { + { "pinctrl-stn8815", PINCTRL_NMK_STN8815 }, + { "pinctrl-db8500", PINCTRL_NMK_DB8500 }, +}; + +static struct platform_driver nmk_pinctrl_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "pinctrl-nomadik", + }, + .probe = nmk_pinctrl_probe, + .id_table = nmk_pinctrl_id, +}; + +static int __init nmk_gpio_init(void) +{ + int ret; + + ret = platform_driver_register(&nmk_gpio_driver); + if (ret) + return ret; + return platform_driver_register(&nmk_pinctrl_driver); +} + +core_initcall(nmk_gpio_init); + +MODULE_AUTHOR("Prafulla WADASKAR and Alessandro Rubini"); +MODULE_DESCRIPTION("Nomadik GPIO Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pinctrl/pinctrl-nomadik.h b/drivers/pinctrl/pinctrl-nomadik.h new file mode 100644 index 000000000000..bc91aed7185d --- /dev/null +++ b/drivers/pinctrl/pinctrl-nomadik.h @@ -0,0 +1,77 @@ +#ifndef PINCTRL_PINCTRL_NOMADIK_H +#define PINCTRL_PINCTRL_NOMADIK_H + +#include <plat/gpio-nomadik.h> + +/* Package definitions */ +#define PINCTRL_NMK_STN8815 0 +#define PINCTRL_NMK_DB8500 1 + +/** + * struct nmk_function - Nomadik pinctrl mux function + * @name: The name of the function, exported to pinctrl core. + * @groups: An array of pin groups that may select this function. + * @ngroups: The number of entries in @groups. + */ +struct nmk_function { + const char *name; + const char * const *groups; + unsigned ngroups; +}; + +/** + * struct nmk_pingroup - describes a Nomadik pin group + * @name: the name of this specific pin group + * @pins: an array of discrete physical pins used in this group, taken + * from the driver-local pin enumeration space + * @num_pins: the number of pins in this group array, i.e. the number of + * elements in .pins so we can iterate over that array + * @altsetting: the altsetting to apply to all pins in this group to + * configure them to be used by a function + */ +struct nmk_pingroup { + const char *name; + const unsigned int *pins; + const unsigned npins; + int altsetting; +}; + +/** + * struct nmk_pinctrl_soc_data - Nomadik pin controller per-SoC configuration + * @gpio_ranges: An array of GPIO ranges for this SoC + * @gpio_num_ranges: The number of GPIO ranges for this SoC + * @pins: An array describing all pins the pin controller affects. + * All pins which are also GPIOs must be listed first within the + * array, and be numbered identically to the GPIO controller's + * numbering. + * @npins: The number of entries in @pins. + * @functions: The functions supported on this SoC. + * @nfunction: The number of entries in @functions. + * @groups: An array describing all pin groups the pin SoC supports. + * @ngroups: The number of entries in @groups. + */ +struct nmk_pinctrl_soc_data { + struct pinctrl_gpio_range *gpio_ranges; + unsigned gpio_num_ranges; + const struct pinctrl_pin_desc *pins; + unsigned npins; + const struct nmk_function *functions; + unsigned nfunctions; + const struct nmk_pingroup *groups; + unsigned ngroups; +}; + +#ifdef CONFIG_PINCTRL_DB8500 + +void nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc); + +#else + +static inline void +nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc) +{ +} + +#endif + +#endif /* PINCTRL_PINCTRL_NOMADIK_H */ diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c index 2c98fba01ca5..b6934867d8d3 100644 --- a/drivers/pinctrl/pinctrl-tegra.c +++ b/drivers/pinctrl/pinctrl-tegra.c @@ -1,7 +1,7 @@ /* * Driver for the NVIDIA Tegra pinmux * - * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved. * * Derived from code: * Copyright (C) 2010 Google, Inc. @@ -22,7 +22,8 @@ #include <linux/init.h> #include <linux/io.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <linux/pinctrl/machine.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> @@ -31,10 +32,9 @@ #include <mach/pinconf-tegra.h> +#include "core.h" #include "pinctrl-tegra.h" -#define DRIVER_NAME "tegra-pinmux-disabled" - struct tegra_pmx { struct device *dev; struct pinctrl_dev *pctl; @@ -83,15 +83,18 @@ static int tegra_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, return 0; } +#ifdef CONFIG_DEBUG_FS static void tegra_pinctrl_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned offset) { - seq_printf(s, " " DRIVER_NAME); + seq_printf(s, " %s", dev_name(pctldev->dev)); } +#endif -static int reserve_map(struct pinctrl_map **map, unsigned *reserved_maps, - unsigned *num_maps, unsigned reserve) +static int reserve_map(struct device *dev, struct pinctrl_map **map, + unsigned *reserved_maps, unsigned *num_maps, + unsigned reserve) { unsigned old_num = *reserved_maps; unsigned new_num = *num_maps + reserve; @@ -101,8 +104,10 @@ static int reserve_map(struct pinctrl_map **map, unsigned *reserved_maps, return 0; new_map = krealloc(*map, sizeof(*new_map) * new_num, GFP_KERNEL); - if (!new_map) + if (!new_map) { + dev_err(dev, "krealloc(map) failed\n"); return -ENOMEM; + } memset(new_map + old_num, 0, (new_num - old_num) * sizeof(*new_map)); @@ -116,7 +121,7 @@ static int add_map_mux(struct pinctrl_map **map, unsigned *reserved_maps, unsigned *num_maps, const char *group, const char *function) { - if (*num_maps == *reserved_maps) + if (WARN_ON(*num_maps == *reserved_maps)) return -ENOSPC; (*map)[*num_maps].type = PIN_MAP_TYPE_MUX_GROUP; @@ -127,19 +132,22 @@ static int add_map_mux(struct pinctrl_map **map, unsigned *reserved_maps, return 0; } -static int add_map_configs(struct pinctrl_map **map, unsigned *reserved_maps, - unsigned *num_maps, const char *group, - unsigned long *configs, unsigned num_configs) +static int add_map_configs(struct device *dev, struct pinctrl_map **map, + unsigned *reserved_maps, unsigned *num_maps, + const char *group, unsigned long *configs, + unsigned num_configs) { unsigned long *dup_configs; - if (*num_maps == *reserved_maps) + if (WARN_ON(*num_maps == *reserved_maps)) return -ENOSPC; dup_configs = kmemdup(configs, num_configs * sizeof(*dup_configs), GFP_KERNEL); - if (!dup_configs) + if (!dup_configs) { + dev_err(dev, "kmemdup(configs) failed\n"); return -ENOMEM; + } (*map)[*num_maps].type = PIN_MAP_TYPE_CONFIGS_GROUP; (*map)[*num_maps].data.configs.group_or_pin = group; @@ -150,8 +158,8 @@ static int add_map_configs(struct pinctrl_map **map, unsigned *reserved_maps, return 0; } -static int add_config(unsigned long **configs, unsigned *num_configs, - unsigned long config) +static int add_config(struct device *dev, unsigned long **configs, + unsigned *num_configs, unsigned long config) { unsigned old_num = *num_configs; unsigned new_num = old_num + 1; @@ -159,8 +167,10 @@ static int add_config(unsigned long **configs, unsigned *num_configs, new_configs = krealloc(*configs, sizeof(*new_configs) * new_num, GFP_KERNEL); - if (!new_configs) + if (!new_configs) { + dev_err(dev, "krealloc(configs) failed\n"); return -ENOMEM; + } new_configs[old_num] = config; @@ -201,7 +211,8 @@ static const struct cfg_param { {"nvidia,slew-rate-rising", TEGRA_PINCONF_PARAM_SLEW_RATE_RISING}, }; -int tegra_pinctrl_dt_subnode_to_map(struct device_node *np, +int tegra_pinctrl_dt_subnode_to_map(struct device *dev, + struct device_node *np, struct pinctrl_map **map, unsigned *reserved_maps, unsigned *num_maps) @@ -217,16 +228,25 @@ int tegra_pinctrl_dt_subnode_to_map(struct device_node *np, const char *group; ret = of_property_read_string(np, "nvidia,function", &function); - if (ret < 0) + if (ret < 0) { + /* EINVAL=missing, which is fine since it's optional */ + if (ret != -EINVAL) + dev_err(dev, + "could not parse property nvidia,function\n"); function = NULL; + } for (i = 0; i < ARRAY_SIZE(cfg_params); i++) { ret = of_property_read_u32(np, cfg_params[i].property, &val); if (!ret) { config = TEGRA_PINCONF_PACK(cfg_params[i].param, val); - ret = add_config(&configs, &num_configs, config); + ret = add_config(dev, &configs, &num_configs, config); if (ret < 0) goto exit; + /* EINVAL=missing, which is fine since it's optional */ + } else if (ret != -EINVAL) { + dev_err(dev, "could not parse property %s\n", + cfg_params[i].property); } } @@ -236,11 +256,13 @@ int tegra_pinctrl_dt_subnode_to_map(struct device_node *np, if (num_configs) reserve++; ret = of_property_count_strings(np, "nvidia,pins"); - if (ret < 0) + if (ret < 0) { + dev_err(dev, "could not parse property nvidia,pins\n"); goto exit; + } reserve *= ret; - ret = reserve_map(map, reserved_maps, num_maps, reserve); + ret = reserve_map(dev, map, reserved_maps, num_maps, reserve); if (ret < 0) goto exit; @@ -253,8 +275,9 @@ int tegra_pinctrl_dt_subnode_to_map(struct device_node *np, } if (num_configs) { - ret = add_map_configs(map, reserved_maps, num_maps, - group, configs, num_configs); + ret = add_map_configs(dev, map, reserved_maps, + num_maps, group, configs, + num_configs); if (ret < 0) goto exit; } @@ -280,8 +303,8 @@ int tegra_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, *num_maps = 0; for_each_child_of_node(np_config, np) { - ret = tegra_pinctrl_dt_subnode_to_map(np, map, &reserved_maps, - num_maps); + ret = tegra_pinctrl_dt_subnode_to_map(pctldev->dev, np, map, + &reserved_maps, num_maps); if (ret < 0) { tegra_pinctrl_dt_free_map(pctldev, *map, *num_maps); return ret; @@ -295,7 +318,9 @@ static struct pinctrl_ops tegra_pinctrl_ops = { .get_groups_count = tegra_pinctrl_get_groups_count, .get_group_name = tegra_pinctrl_get_group_name, .get_group_pins = tegra_pinctrl_get_group_pins, +#ifdef CONFIG_DEBUG_FS .pin_dbg_show = tegra_pinctrl_pin_dbg_show, +#endif .dt_node_to_map = tegra_pinctrl_dt_node_to_map, .dt_free_map = tegra_pinctrl_dt_free_map, }; @@ -338,14 +363,14 @@ static int tegra_pinctrl_enable(struct pinctrl_dev *pctldev, unsigned function, g = &pmx->soc->groups[group]; - if (g->mux_reg < 0) + if (WARN_ON(g->mux_reg < 0)) return -EINVAL; for (i = 0; i < ARRAY_SIZE(g->funcs); i++) { if (g->funcs[i] == function) break; } - if (i == ARRAY_SIZE(g->funcs)) + if (WARN_ON(i == ARRAY_SIZE(g->funcs))) return -EINVAL; val = pmx_readl(pmx, g->mux_bank, g->mux_reg); @@ -365,7 +390,7 @@ static void tegra_pinctrl_disable(struct pinctrl_dev *pctldev, g = &pmx->soc->groups[group]; - if (g->mux_reg < 0) + if (WARN_ON(g->mux_reg < 0)) return; val = pmx_readl(pmx, g->mux_bank, g->mux_reg); @@ -385,6 +410,7 @@ static struct pinmux_ops tegra_pinmux_ops = { static int tegra_pinconf_reg(struct tegra_pmx *pmx, const struct tegra_pingroup *g, enum tegra_pinconf_param param, + bool report_err, s8 *bank, s16 *reg, s8 *bit, s8 *width) { switch (param) { @@ -472,9 +498,10 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx, } if (*reg < 0) { - dev_err(pmx->dev, - "Config param %04x not supported on group %s\n", - param, g->name); + if (report_err) + dev_err(pmx->dev, + "Config param %04x not supported on group %s\n", + param, g->name); return -ENOTSUPP; } @@ -484,12 +511,14 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx, static int tegra_pinconf_get(struct pinctrl_dev *pctldev, unsigned pin, unsigned long *config) { + dev_err(pctldev->dev, "pin_config_get op not supported\n"); return -ENOTSUPP; } static int tegra_pinconf_set(struct pinctrl_dev *pctldev, unsigned pin, unsigned long config) { + dev_err(pctldev->dev, "pin_config_set op not supported\n"); return -ENOTSUPP; } @@ -507,7 +536,8 @@ static int tegra_pinconf_group_get(struct pinctrl_dev *pctldev, g = &pmx->soc->groups[group]; - ret = tegra_pinconf_reg(pmx, g, param, &bank, ®, &bit, &width); + ret = tegra_pinconf_reg(pmx, g, param, true, &bank, ®, &bit, + &width); if (ret < 0) return ret; @@ -534,7 +564,8 @@ static int tegra_pinconf_group_set(struct pinctrl_dev *pctldev, g = &pmx->soc->groups[group]; - ret = tegra_pinconf_reg(pmx, g, param, &bank, ®, &bit, &width); + ret = tegra_pinconf_reg(pmx, g, param, true, &bank, ®, &bit, + &width); if (ret < 0) return ret; @@ -542,8 +573,10 @@ static int tegra_pinconf_group_set(struct pinctrl_dev *pctldev, /* LOCK can't be cleared */ if (param == TEGRA_PINCONF_PARAM_LOCK) { - if ((val & BIT(bit)) && !arg) + if ((val & BIT(bit)) && !arg) { + dev_err(pctldev->dev, "LOCK bit cannot be cleared\n"); return -EINVAL; + } } /* Special-case Boolean values; allow any non-zero as true */ @@ -552,8 +585,12 @@ static int tegra_pinconf_group_set(struct pinctrl_dev *pctldev, /* Range-check user-supplied value */ mask = (1 << width) - 1; - if (arg & ~mask) + if (arg & ~mask) { + dev_err(pctldev->dev, + "config %lx: %x too big for %d bit register\n", + config, arg, width); return -EINVAL; + } /* Update register */ val &= ~(mask << bit); @@ -563,23 +600,78 @@ static int tegra_pinconf_group_set(struct pinctrl_dev *pctldev, return 0; } +#ifdef CONFIG_DEBUG_FS static void tegra_pinconf_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned offset) { } +static const char *strip_prefix(const char *s) +{ + const char *comma = strchr(s, ','); + if (!comma) + return s; + + return comma + 1; +} + static void tegra_pinconf_group_dbg_show(struct pinctrl_dev *pctldev, - struct seq_file *s, unsigned selector) + struct seq_file *s, unsigned group) +{ + struct tegra_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); + const struct tegra_pingroup *g; + int i, ret; + s8 bank, bit, width; + s16 reg; + u32 val; + + g = &pmx->soc->groups[group]; + + for (i = 0; i < ARRAY_SIZE(cfg_params); i++) { + ret = tegra_pinconf_reg(pmx, g, cfg_params[i].param, false, + &bank, ®, &bit, &width); + if (ret < 0) + continue; + + val = pmx_readl(pmx, bank, reg); + val >>= bit; + val &= (1 << width) - 1; + + seq_printf(s, "\n\t%s=%u", + strip_prefix(cfg_params[i].property), val); + } +} + +static void tegra_pinconf_config_dbg_show(struct pinctrl_dev *pctldev, + struct seq_file *s, + unsigned long config) { + enum tegra_pinconf_param param = TEGRA_PINCONF_UNPACK_PARAM(config); + u16 arg = TEGRA_PINCONF_UNPACK_ARG(config); + const char *pname = "unknown"; + int i; + + for (i = 0; i < ARRAY_SIZE(cfg_params); i++) { + if (cfg_params[i].param == param) { + pname = cfg_params[i].property; + break; + } + } + + seq_printf(s, "%s=%d", strip_prefix(pname), arg); } +#endif struct pinconf_ops tegra_pinconf_ops = { .pin_config_get = tegra_pinconf_get, .pin_config_set = tegra_pinconf_set, .pin_config_group_get = tegra_pinconf_group_get, .pin_config_group_set = tegra_pinconf_group_set, +#ifdef CONFIG_DEBUG_FS .pin_config_dbg_show = tegra_pinconf_dbg_show, .pin_config_group_dbg_show = tegra_pinconf_group_dbg_show, + .pin_config_config_dbg_show = tegra_pinconf_config_dbg_show, +#endif }; static struct pinctrl_gpio_range tegra_pinctrl_gpio_range = { @@ -589,60 +681,29 @@ static struct pinctrl_gpio_range tegra_pinctrl_gpio_range = { }; static struct pinctrl_desc tegra_pinctrl_desc = { - .name = DRIVER_NAME, .pctlops = &tegra_pinctrl_ops, .pmxops = &tegra_pinmux_ops, .confops = &tegra_pinconf_ops, .owner = THIS_MODULE, }; -static struct of_device_id tegra_pinctrl_of_match[] __devinitdata = { -#ifdef CONFIG_PINCTRL_TEGRA20 - { - .compatible = "nvidia,tegra20-pinmux-disabled", - .data = tegra20_pinctrl_init, - }, -#endif -#ifdef CONFIG_PINCTRL_TEGRA30 - { - .compatible = "nvidia,tegra30-pinmux-disabled", - .data = tegra30_pinctrl_init, - }, -#endif - {}, -}; - -static int __devinit tegra_pinctrl_probe(struct platform_device *pdev) +int __devinit tegra_pinctrl_probe(struct platform_device *pdev, + const struct tegra_pinctrl_soc_data *soc_data) { - const struct of_device_id *match; - tegra_pinctrl_soc_initf initf = NULL; struct tegra_pmx *pmx; struct resource *res; int i; - match = of_match_device(tegra_pinctrl_of_match, &pdev->dev); - if (match) - initf = (tegra_pinctrl_soc_initf)match->data; -#ifdef CONFIG_PINCTRL_TEGRA20 - if (!initf) - initf = tegra20_pinctrl_init; -#endif - if (!initf) { - dev_err(&pdev->dev, - "Could not determine SoC-specific init func\n"); - return -EINVAL; - } - pmx = devm_kzalloc(&pdev->dev, sizeof(*pmx), GFP_KERNEL); if (!pmx) { dev_err(&pdev->dev, "Can't alloc tegra_pmx\n"); return -ENOMEM; } pmx->dev = &pdev->dev; - - (*initf)(&pmx->soc); + pmx->soc = soc_data; tegra_pinctrl_gpio_range.npins = pmx->soc->ngpios; + tegra_pinctrl_desc.name = dev_name(&pdev->dev); tegra_pinctrl_desc.pins = pmx->soc->pins; tegra_pinctrl_desc.npins = pmx->soc->npins; @@ -697,8 +758,9 @@ static int __devinit tegra_pinctrl_probe(struct platform_device *pdev) return 0; } +EXPORT_SYMBOL_GPL(tegra_pinctrl_probe); -static int __devexit tegra_pinctrl_remove(struct platform_device *pdev) +int __devexit tegra_pinctrl_remove(struct platform_device *pdev) { struct tegra_pmx *pmx = platform_get_drvdata(pdev); @@ -707,30 +769,4 @@ static int __devexit tegra_pinctrl_remove(struct platform_device *pdev) return 0; } - -static struct platform_driver tegra_pinctrl_driver = { - .driver = { - .name = DRIVER_NAME, - .owner = THIS_MODULE, - .of_match_table = tegra_pinctrl_of_match, - }, - .probe = tegra_pinctrl_probe, - .remove = __devexit_p(tegra_pinctrl_remove), -}; - -static int __init tegra_pinctrl_init(void) -{ - return platform_driver_register(&tegra_pinctrl_driver); -} -arch_initcall(tegra_pinctrl_init); - -static void __exit tegra_pinctrl_exit(void) -{ - platform_driver_unregister(&tegra_pinctrl_driver); -} -module_exit(tegra_pinctrl_exit); - -MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); -MODULE_DESCRIPTION("NVIDIA Tegra pinctrl driver"); -MODULE_LICENSE("GPL v2"); -MODULE_DEVICE_TABLE(of, tegra_pinctrl_of_match); +EXPORT_SYMBOL_GPL(tegra_pinctrl_remove); diff --git a/drivers/pinctrl/pinctrl-tegra.h b/drivers/pinctrl/pinctrl-tegra.h index 782c795326ef..705c007a38cc 100644 --- a/drivers/pinctrl/pinctrl-tegra.h +++ b/drivers/pinctrl/pinctrl-tegra.h @@ -139,25 +139,8 @@ struct tegra_pinctrl_soc_data { unsigned ngroups; }; -/** - * tegra_pinctrl_soc_initf() - Retrieve pin controller details for a SoC. - * @soc_data: This pointer must be updated to point at a struct containing - * details of the SoC. - */ -typedef void (*tegra_pinctrl_soc_initf)( - const struct tegra_pinctrl_soc_data **soc_data); - -/** - * tegra20_pinctrl_init() - Retrieve pin controller details for Tegra20 - * @soc_data: This pointer will be updated to point at a struct containing - * details of Tegra20's pin controller. - */ -void tegra20_pinctrl_init(const struct tegra_pinctrl_soc_data **soc_data); -/** - * tegra30_pinctrl_init() - Retrieve pin controller details for Tegra20 - * @soc_data: This pointer will be updated to point at a struct containing - * details of Tegra30's pin controller. - */ -void tegra30_pinctrl_init(const struct tegra_pinctrl_soc_data **soc_data); +int tegra_pinctrl_probe(struct platform_device *pdev, + const struct tegra_pinctrl_soc_data *soc_data); +int tegra_pinctrl_remove(struct platform_device *pdev); #endif diff --git a/drivers/pinctrl/pinctrl-tegra20.c b/drivers/pinctrl/pinctrl-tegra20.c index f69ff96aa292..a74f9a568536 100644 --- a/drivers/pinctrl/pinctrl-tegra20.c +++ b/drivers/pinctrl/pinctrl-tegra20.c @@ -1,7 +1,7 @@ /* * Pinctrl data for the NVIDIA Tegra20 pinmux * - * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved. * * Derived from code: * Copyright (C) 2010 Google, Inc. @@ -17,6 +17,8 @@ * more details. */ +#include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> @@ -2854,7 +2856,39 @@ static const struct tegra_pinctrl_soc_data tegra20_pinctrl = { .ngroups = ARRAY_SIZE(tegra20_groups), }; -void __devinit tegra20_pinctrl_init(const struct tegra_pinctrl_soc_data **soc) +static int __devinit tegra20_pinctrl_probe(struct platform_device *pdev) { - *soc = &tegra20_pinctrl; + return tegra_pinctrl_probe(pdev, &tegra20_pinctrl); } + +static struct of_device_id tegra20_pinctrl_of_match[] __devinitdata = { + { .compatible = "nvidia,tegra20-pinmux", }, + { }, +}; + +static struct platform_driver tegra20_pinctrl_driver = { + .driver = { + .name = "tegra20-pinctrl", + .owner = THIS_MODULE, + .of_match_table = tegra20_pinctrl_of_match, + }, + .probe = tegra20_pinctrl_probe, + .remove = __devexit_p(tegra_pinctrl_remove), +}; + +static int __init tegra20_pinctrl_init(void) +{ + return platform_driver_register(&tegra20_pinctrl_driver); +} +arch_initcall(tegra20_pinctrl_init); + +static void __exit tegra20_pinctrl_exit(void) +{ + platform_driver_unregister(&tegra20_pinctrl_driver); +} +module_exit(tegra20_pinctrl_exit); + +MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); +MODULE_DESCRIPTION("NVIDIA Tegra20 pinctrl driver"); +MODULE_LICENSE("GPL v2"); +MODULE_DEVICE_TABLE(of, tegra20_pinctrl_of_match); diff --git a/drivers/pinctrl/pinctrl-tegra30.c b/drivers/pinctrl/pinctrl-tegra30.c index 4d7571d4a431..0386fdf0da16 100644 --- a/drivers/pinctrl/pinctrl-tegra30.c +++ b/drivers/pinctrl/pinctrl-tegra30.c @@ -1,7 +1,7 @@ /* * Pinctrl data for the NVIDIA Tegra30 pinmux * - * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -13,6 +13,8 @@ * more details. */ +#include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> @@ -3720,7 +3722,39 @@ static const struct tegra_pinctrl_soc_data tegra30_pinctrl = { .ngroups = ARRAY_SIZE(tegra30_groups), }; -void __devinit tegra30_pinctrl_init(const struct tegra_pinctrl_soc_data **soc) +static int __devinit tegra30_pinctrl_probe(struct platform_device *pdev) { - *soc = &tegra30_pinctrl; + return tegra_pinctrl_probe(pdev, &tegra30_pinctrl); } + +static struct of_device_id tegra30_pinctrl_of_match[] __devinitdata = { + { .compatible = "nvidia,tegra30-pinmux", }, + { }, +}; + +static struct platform_driver tegra30_pinctrl_driver = { + .driver = { + .name = "tegra30-pinctrl", + .owner = THIS_MODULE, + .of_match_table = tegra30_pinctrl_of_match, + }, + .probe = tegra30_pinctrl_probe, + .remove = __devexit_p(tegra_pinctrl_remove), +}; + +static int __init tegra30_pinctrl_init(void) +{ + return platform_driver_register(&tegra30_pinctrl_driver); +} +arch_initcall(tegra30_pinctrl_init); + +static void __exit tegra30_pinctrl_exit(void) +{ + platform_driver_unregister(&tegra30_pinctrl_driver); +} +module_exit(tegra30_pinctrl_exit); + +MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); +MODULE_DESCRIPTION("NVIDIA Tegra30 pinctrl driver"); +MODULE_LICENSE("GPL v2"); +MODULE_DEVICE_TABLE(of, tegra30_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/Kconfig b/drivers/pinctrl/spear/Kconfig new file mode 100644 index 000000000000..6a2596b4f359 --- /dev/null +++ b/drivers/pinctrl/spear/Kconfig @@ -0,0 +1,34 @@ +# +# ST Microelectronics SPEAr PINCTRL drivers +# + +if PLAT_SPEAR + +config PINCTRL_SPEAR + bool + depends on OF + select PINMUX + help + This enables pin control drivers for SPEAr Platform + +config PINCTRL_SPEAR3XX + bool + depends on ARCH_SPEAR3XX + select PINCTRL_SPEAR + +config PINCTRL_SPEAR300 + bool "ST Microelectronics SPEAr300 SoC pin controller driver" + depends on MACH_SPEAR300 + select PINCTRL_SPEAR3XX + +config PINCTRL_SPEAR310 + bool "ST Microelectronics SPEAr310 SoC pin controller driver" + depends on MACH_SPEAR310 + select PINCTRL_SPEAR3XX + +config PINCTRL_SPEAR320 + bool "ST Microelectronics SPEAr320 SoC pin controller driver" + depends on MACH_SPEAR320 + select PINCTRL_SPEAR3XX + +endif diff --git a/drivers/pinctrl/spear/Makefile b/drivers/pinctrl/spear/Makefile new file mode 100644 index 000000000000..15dcb85da22d --- /dev/null +++ b/drivers/pinctrl/spear/Makefile @@ -0,0 +1,7 @@ +# SPEAr pinmux support + +obj-$(CONFIG_PINCTRL_SPEAR) += pinctrl-spear.o +obj-$(CONFIG_PINCTRL_SPEAR3XX) += pinctrl-spear3xx.o +obj-$(CONFIG_PINCTRL_SPEAR300) += pinctrl-spear300.o +obj-$(CONFIG_PINCTRL_SPEAR310) += pinctrl-spear310.o +obj-$(CONFIG_PINCTRL_SPEAR320) += pinctrl-spear320.o diff --git a/drivers/pinctrl/spear/pinctrl-spear.c b/drivers/pinctrl/spear/pinctrl-spear.c new file mode 100644 index 000000000000..5ae50aadf885 --- /dev/null +++ b/drivers/pinctrl/spear/pinctrl-spear.c @@ -0,0 +1,354 @@ +/* + * Driver for the ST Microelectronics SPEAr pinmux + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar <viresh.kumar@st.com> + * + * Inspired from: + * - U300 Pinctl drivers + * - Tegra Pinctl drivers + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/err.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/pinctrl/machine.h> +#include <linux/pinctrl/pinctrl.h> +#include <linux/pinctrl/pinmux.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#include "pinctrl-spear.h" + +#define DRIVER_NAME "spear-pinmux" + +static inline u32 pmx_readl(struct spear_pmx *pmx, u32 reg) +{ + return readl_relaxed(pmx->vbase + reg); +} + +static inline void pmx_writel(struct spear_pmx *pmx, u32 val, u32 reg) +{ + writel_relaxed(val, pmx->vbase + reg); +} + +static int set_mode(struct spear_pmx *pmx, int mode) +{ + struct spear_pmx_mode *pmx_mode = NULL; + int i; + u32 val; + + if (!pmx->machdata->pmx_modes || !pmx->machdata->npmx_modes) + return -EINVAL; + + for (i = 0; i < pmx->machdata->npmx_modes; i++) { + if (pmx->machdata->pmx_modes[i]->mode == (1 << mode)) { + pmx_mode = pmx->machdata->pmx_modes[i]; + break; + } + } + + if (!pmx_mode) + return -EINVAL; + + val = pmx_readl(pmx, pmx_mode->reg); + val &= ~pmx_mode->mask; + val |= pmx_mode->val; + pmx_writel(pmx, val, pmx_mode->reg); + + pmx->machdata->mode = pmx_mode->mode; + dev_info(pmx->dev, "Configured Mode: %s with id: %x\n\n", + pmx_mode->name ? pmx_mode->name : "no_name", + pmx_mode->reg); + + return 0; +} + +void __devinit pmx_init_addr(struct spear_pinctrl_machdata *machdata, u16 reg) +{ + struct spear_pingroup *pgroup; + struct spear_modemux *modemux; + int i, j, group; + + for (group = 0; group < machdata->ngroups; group++) { + pgroup = machdata->groups[group]; + + for (i = 0; i < pgroup->nmodemuxs; i++) { + modemux = &pgroup->modemuxs[i]; + + for (j = 0; j < modemux->nmuxregs; j++) + if (modemux->muxregs[j].reg == 0xFFFF) + modemux->muxregs[j].reg = reg; + } + } +} + +static int spear_pinctrl_get_groups_cnt(struct pinctrl_dev *pctldev) +{ + struct spear_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); + + return pmx->machdata->ngroups; +} + +static const char *spear_pinctrl_get_group_name(struct pinctrl_dev *pctldev, + unsigned group) +{ + struct spear_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); + + return pmx->machdata->groups[group]->name; +} + +static int spear_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, + unsigned group, const unsigned **pins, unsigned *num_pins) +{ + struct spear_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); + + *pins = pmx->machdata->groups[group]->pins; + *num_pins = pmx->machdata->groups[group]->npins; + + return 0; +} + +static void spear_pinctrl_pin_dbg_show(struct pinctrl_dev *pctldev, + struct seq_file *s, unsigned offset) +{ + seq_printf(s, " " DRIVER_NAME); +} + +int spear_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, + struct device_node *np_config, + struct pinctrl_map **map, unsigned *num_maps) +{ + struct spear_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); + struct device_node *np; + struct property *prop; + const char *function, *group; + int ret, index = 0, count = 0; + + /* calculate number of maps required */ + for_each_child_of_node(np_config, np) { + ret = of_property_read_string(np, "st,function", &function); + if (ret < 0) + return ret; + + ret = of_property_count_strings(np, "st,pins"); + if (ret < 0) + return ret; + + count += ret; + } + + if (!count) { + dev_err(pmx->dev, "No child nodes passed via DT\n"); + return -ENODEV; + } + + *map = kzalloc(sizeof(**map) * count, GFP_KERNEL); + if (!*map) + return -ENOMEM; + + for_each_child_of_node(np_config, np) { + of_property_read_string(np, "st,function", &function); + of_property_for_each_string(np, "st,pins", prop, group) { + (*map)[index].type = PIN_MAP_TYPE_MUX_GROUP; + (*map)[index].data.mux.group = group; + (*map)[index].data.mux.function = function; + index++; + } + } + + *num_maps = count; + + return 0; +} + +void spear_pinctrl_dt_free_map(struct pinctrl_dev *pctldev, + struct pinctrl_map *map, unsigned num_maps) +{ + kfree(map); +} + +static struct pinctrl_ops spear_pinctrl_ops = { + .get_groups_count = spear_pinctrl_get_groups_cnt, + .get_group_name = spear_pinctrl_get_group_name, + .get_group_pins = spear_pinctrl_get_group_pins, + .pin_dbg_show = spear_pinctrl_pin_dbg_show, + .dt_node_to_map = spear_pinctrl_dt_node_to_map, + .dt_free_map = spear_pinctrl_dt_free_map, +}; + +static int spear_pinctrl_get_funcs_count(struct pinctrl_dev *pctldev) +{ + struct spear_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); + + return pmx->machdata->nfunctions; +} + +static const char *spear_pinctrl_get_func_name(struct pinctrl_dev *pctldev, + unsigned function) +{ + struct spear_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); + + return pmx->machdata->functions[function]->name; +} + +static int spear_pinctrl_get_func_groups(struct pinctrl_dev *pctldev, + unsigned function, const char *const **groups, + unsigned * const ngroups) +{ + struct spear_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); + + *groups = pmx->machdata->functions[function]->groups; + *ngroups = pmx->machdata->functions[function]->ngroups; + + return 0; +} + +static int spear_pinctrl_endisable(struct pinctrl_dev *pctldev, + unsigned function, unsigned group, bool enable) +{ + struct spear_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); + const struct spear_pingroup *pgroup; + const struct spear_modemux *modemux; + struct spear_muxreg *muxreg; + u32 val, temp; + int i, j; + bool found = false; + + pgroup = pmx->machdata->groups[group]; + + for (i = 0; i < pgroup->nmodemuxs; i++) { + modemux = &pgroup->modemuxs[i]; + + /* SoC have any modes */ + if (pmx->machdata->modes_supported) { + if (!(pmx->machdata->mode & modemux->modes)) + continue; + } + + found = true; + for (j = 0; j < modemux->nmuxregs; j++) { + muxreg = &modemux->muxregs[j]; + + val = pmx_readl(pmx, muxreg->reg); + val &= ~muxreg->mask; + + if (enable) + temp = muxreg->val; + else + temp = ~muxreg->val; + + val |= temp; + pmx_writel(pmx, val, muxreg->reg); + } + } + + if (!found) { + dev_err(pmx->dev, "pinmux group: %s not supported\n", + pgroup->name); + return -ENODEV; + } + + return 0; +} + +static int spear_pinctrl_enable(struct pinctrl_dev *pctldev, unsigned function, + unsigned group) +{ + return spear_pinctrl_endisable(pctldev, function, group, true); +} + +static void spear_pinctrl_disable(struct pinctrl_dev *pctldev, + unsigned function, unsigned group) +{ + spear_pinctrl_endisable(pctldev, function, group, false); +} + +static struct pinmux_ops spear_pinmux_ops = { + .get_functions_count = spear_pinctrl_get_funcs_count, + .get_function_name = spear_pinctrl_get_func_name, + .get_function_groups = spear_pinctrl_get_func_groups, + .enable = spear_pinctrl_enable, + .disable = spear_pinctrl_disable, +}; + +static struct pinctrl_desc spear_pinctrl_desc = { + .name = DRIVER_NAME, + .pctlops = &spear_pinctrl_ops, + .pmxops = &spear_pinmux_ops, + .owner = THIS_MODULE, +}; + +int __devinit spear_pinctrl_probe(struct platform_device *pdev, + struct spear_pinctrl_machdata *machdata) +{ + struct device_node *np = pdev->dev.of_node; + struct resource *res; + struct spear_pmx *pmx; + + if (!machdata) + return -ENODEV; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; + + pmx = devm_kzalloc(&pdev->dev, sizeof(*pmx), GFP_KERNEL); + if (!pmx) { + dev_err(&pdev->dev, "Can't alloc spear_pmx\n"); + return -ENOMEM; + } + + pmx->vbase = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!pmx->vbase) { + dev_err(&pdev->dev, "Couldn't ioremap at index 0\n"); + return -ENODEV; + } + + pmx->dev = &pdev->dev; + pmx->machdata = machdata; + + /* configure mode, if supported by SoC */ + if (machdata->modes_supported) { + int mode = 0; + + if (of_property_read_u32(np, "st,pinmux-mode", &mode)) { + dev_err(&pdev->dev, "OF: pinmux mode not passed\n"); + return -EINVAL; + } + + if (set_mode(pmx, mode)) { + dev_err(&pdev->dev, "OF: Couldn't configure mode: %x\n", + mode); + return -EINVAL; + } + } + + platform_set_drvdata(pdev, pmx); + + spear_pinctrl_desc.pins = machdata->pins; + spear_pinctrl_desc.npins = machdata->npins; + + pmx->pctl = pinctrl_register(&spear_pinctrl_desc, &pdev->dev, pmx); + if (IS_ERR(pmx->pctl)) { + dev_err(&pdev->dev, "Couldn't register pinctrl driver\n"); + return PTR_ERR(pmx->pctl); + } + + return 0; +} + +int __devexit spear_pinctrl_remove(struct platform_device *pdev) +{ + struct spear_pmx *pmx = platform_get_drvdata(pdev); + + pinctrl_unregister(pmx->pctl); + + return 0; +} diff --git a/drivers/pinctrl/spear/pinctrl-spear.h b/drivers/pinctrl/spear/pinctrl-spear.h new file mode 100644 index 000000000000..47a6b5b72f90 --- /dev/null +++ b/drivers/pinctrl/spear/pinctrl-spear.h @@ -0,0 +1,142 @@ +/* + * Driver header file for the ST Microelectronics SPEAr pinmux + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar <viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __PINMUX_SPEAR_H__ +#define __PINMUX_SPEAR_H__ + +#include <linux/pinctrl/pinctrl.h> +#include <linux/types.h> + +struct platform_device; +struct device; + +/** + * struct spear_pmx_mode - SPEAr pmx mode + * @name: name of pmx mode + * @mode: mode id + * @reg: register for configuring this mode + * @mask: mask of this mode in reg + * @val: val to be configured at reg after doing (val & mask) + */ +struct spear_pmx_mode { + const char *const name; + u16 mode; + u16 reg; + u16 mask; + u32 val; +}; + +/** + * struct spear_muxreg - SPEAr mux reg configuration + * @reg: register offset + * @mask: mask bits + * @val: val to be written on mask bits + */ +struct spear_muxreg { + u16 reg; + u32 mask; + u32 val; +}; + +/** + * struct spear_modemux - SPEAr mode mux configuration + * @modes: mode ids supported by this group of muxregs + * @nmuxregs: number of muxreg configurations to be done for modes + * @muxregs: array of muxreg configurations to be done for modes + */ +struct spear_modemux { + u16 modes; + u8 nmuxregs; + struct spear_muxreg *muxregs; +}; + +/** + * struct spear_pingroup - SPEAr pin group configurations + * @name: name of pin group + * @pins: array containing pin numbers + * @npins: size of pins array + * @modemuxs: array of modemux configurations for this pin group + * @nmodemuxs: size of array modemuxs + * + * A representation of a group of pins in the SPEAr pin controller. Each group + * allows some parameter or parameters to be configured. + */ +struct spear_pingroup { + const char *name; + const unsigned *pins; + unsigned npins; + struct spear_modemux *modemuxs; + unsigned nmodemuxs; +}; + +/** + * struct spear_function - SPEAr pinctrl mux function + * @name: The name of the function, exported to pinctrl core. + * @groups: An array of pin groups that may select this function. + * @ngroups: The number of entries in @groups. + */ +struct spear_function { + const char *name; + const char *const *groups; + unsigned ngroups; +}; + +/** + * struct spear_pinctrl_machdata - SPEAr pin controller machine driver + * configuration + * @pins: An array describing all pins the pin controller affects. + * All pins which are also GPIOs must be listed first within the *array, + * and be numbered identically to the GPIO controller's *numbering. + * @npins: The numbmer of entries in @pins. + * @functions: An array describing all mux functions the SoC supports. + * @nfunctions: The numbmer of entries in @functions. + * @groups: An array describing all pin groups the pin SoC supports. + * @ngroups: The numbmer of entries in @groups. + * + * @modes_supported: Does SoC support modes + * @mode: mode configured from probe + * @pmx_modes: array of modes supported by SoC + * @npmx_modes: number of entries in pmx_modes. + */ +struct spear_pinctrl_machdata { + const struct pinctrl_pin_desc *pins; + unsigned npins; + struct spear_function **functions; + unsigned nfunctions; + struct spear_pingroup **groups; + unsigned ngroups; + + bool modes_supported; + u16 mode; + struct spear_pmx_mode **pmx_modes; + unsigned npmx_modes; +}; + +/** + * struct spear_pmx - SPEAr pinctrl mux + * @dev: pointer to struct dev of platform_device registered + * @pctl: pointer to struct pinctrl_dev + * @machdata: pointer to SoC or machine specific structure + * @vbase: virtual base address of pinmux controller + */ +struct spear_pmx { + struct device *dev; + struct pinctrl_dev *pctl; + struct spear_pinctrl_machdata *machdata; + void __iomem *vbase; +}; + +/* exported routines */ +void __devinit pmx_init_addr(struct spear_pinctrl_machdata *machdata, u16 reg); +int __devinit spear_pinctrl_probe(struct platform_device *pdev, + struct spear_pinctrl_machdata *machdata); +int __devexit spear_pinctrl_remove(struct platform_device *pdev); +#endif /* __PINMUX_SPEAR_H__ */ diff --git a/drivers/pinctrl/spear/pinctrl-spear300.c b/drivers/pinctrl/spear/pinctrl-spear300.c new file mode 100644 index 000000000000..9c82a35e4e78 --- /dev/null +++ b/drivers/pinctrl/spear/pinctrl-spear300.c @@ -0,0 +1,708 @@ +/* + * Driver for the ST Microelectronics SPEAr300 pinmux + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar <viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include "pinctrl-spear3xx.h" + +#define DRIVER_NAME "spear300-pinmux" + +/* addresses */ +#define PMX_CONFIG_REG 0x00 +#define MODE_CONFIG_REG 0x04 + +/* modes */ +#define NAND_MODE (1 << 0) +#define NOR_MODE (1 << 1) +#define PHOTO_FRAME_MODE (1 << 2) +#define LEND_IP_PHONE_MODE (1 << 3) +#define HEND_IP_PHONE_MODE (1 << 4) +#define LEND_WIFI_PHONE_MODE (1 << 5) +#define HEND_WIFI_PHONE_MODE (1 << 6) +#define ATA_PABX_WI2S_MODE (1 << 7) +#define ATA_PABX_I2S_MODE (1 << 8) +#define CAML_LCDW_MODE (1 << 9) +#define CAMU_LCD_MODE (1 << 10) +#define CAMU_WLCD_MODE (1 << 11) +#define CAML_LCD_MODE (1 << 12) + +static struct spear_pmx_mode pmx_mode_nand = { + .name = "nand", + .mode = NAND_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x00, +}; + +static struct spear_pmx_mode pmx_mode_nor = { + .name = "nor", + .mode = NOR_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x01, +}; + +static struct spear_pmx_mode pmx_mode_photo_frame = { + .name = "photo frame mode", + .mode = PHOTO_FRAME_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x02, +}; + +static struct spear_pmx_mode pmx_mode_lend_ip_phone = { + .name = "lend ip phone mode", + .mode = LEND_IP_PHONE_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x03, +}; + +static struct spear_pmx_mode pmx_mode_hend_ip_phone = { + .name = "hend ip phone mode", + .mode = HEND_IP_PHONE_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x04, +}; + +static struct spear_pmx_mode pmx_mode_lend_wifi_phone = { + .name = "lend wifi phone mode", + .mode = LEND_WIFI_PHONE_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x05, +}; + +static struct spear_pmx_mode pmx_mode_hend_wifi_phone = { + .name = "hend wifi phone mode", + .mode = HEND_WIFI_PHONE_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x06, +}; + +static struct spear_pmx_mode pmx_mode_ata_pabx_wi2s = { + .name = "ata pabx wi2s mode", + .mode = ATA_PABX_WI2S_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x07, +}; + +static struct spear_pmx_mode pmx_mode_ata_pabx_i2s = { + .name = "ata pabx i2s mode", + .mode = ATA_PABX_I2S_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x08, +}; + +static struct spear_pmx_mode pmx_mode_caml_lcdw = { + .name = "caml lcdw mode", + .mode = CAML_LCDW_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x0C, +}; + +static struct spear_pmx_mode pmx_mode_camu_lcd = { + .name = "camu lcd mode", + .mode = CAMU_LCD_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x0D, +}; + +static struct spear_pmx_mode pmx_mode_camu_wlcd = { + .name = "camu wlcd mode", + .mode = CAMU_WLCD_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0xE, +}; + +static struct spear_pmx_mode pmx_mode_caml_lcd = { + .name = "caml lcd mode", + .mode = CAML_LCD_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x0000000F, + .val = 0x0F, +}; + +static struct spear_pmx_mode *spear300_pmx_modes[] = { + &pmx_mode_nand, + &pmx_mode_nor, + &pmx_mode_photo_frame, + &pmx_mode_lend_ip_phone, + &pmx_mode_hend_ip_phone, + &pmx_mode_lend_wifi_phone, + &pmx_mode_hend_wifi_phone, + &pmx_mode_ata_pabx_wi2s, + &pmx_mode_ata_pabx_i2s, + &pmx_mode_caml_lcdw, + &pmx_mode_camu_lcd, + &pmx_mode_camu_wlcd, + &pmx_mode_caml_lcd, +}; + +/* fsmc_2chips_pins */ +static const unsigned fsmc_2chips_pins[] = { 1, 97 }; +static struct spear_muxreg fsmc_2chips_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_FIRDA_MASK, + .val = 0, + }, +}; + +static struct spear_modemux fsmc_2chips_modemux[] = { + { + .modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE | + ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE, + .muxregs = fsmc_2chips_muxreg, + .nmuxregs = ARRAY_SIZE(fsmc_2chips_muxreg), + }, +}; + +static struct spear_pingroup fsmc_2chips_pingroup = { + .name = "fsmc_2chips_grp", + .pins = fsmc_2chips_pins, + .npins = ARRAY_SIZE(fsmc_2chips_pins), + .modemuxs = fsmc_2chips_modemux, + .nmodemuxs = ARRAY_SIZE(fsmc_2chips_modemux), +}; + +/* fsmc_4chips_pins */ +static const unsigned fsmc_4chips_pins[] = { 1, 2, 3, 97 }; +static struct spear_muxreg fsmc_4chips_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_FIRDA_MASK | PMX_UART0_MASK, + .val = 0, + }, +}; + +static struct spear_modemux fsmc_4chips_modemux[] = { + { + .modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE | + ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE, + .muxregs = fsmc_4chips_muxreg, + .nmuxregs = ARRAY_SIZE(fsmc_4chips_muxreg), + }, +}; + +static struct spear_pingroup fsmc_4chips_pingroup = { + .name = "fsmc_4chips_grp", + .pins = fsmc_4chips_pins, + .npins = ARRAY_SIZE(fsmc_4chips_pins), + .modemuxs = fsmc_4chips_modemux, + .nmodemuxs = ARRAY_SIZE(fsmc_4chips_modemux), +}; + +static const char *const fsmc_grps[] = { "fsmc_2chips_grp", "fsmc_4chips_grp" +}; +static struct spear_function fsmc_function = { + .name = "fsmc", + .groups = fsmc_grps, + .ngroups = ARRAY_SIZE(fsmc_grps), +}; + +/* clcd_lcdmode_pins */ +static const unsigned clcd_lcdmode_pins[] = { 49, 50 }; +static struct spear_muxreg clcd_lcdmode_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, + .val = 0, + }, +}; + +static struct spear_modemux clcd_lcdmode_modemux[] = { + { + .modes = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE | + CAMU_LCD_MODE | CAML_LCD_MODE, + .muxregs = clcd_lcdmode_muxreg, + .nmuxregs = ARRAY_SIZE(clcd_lcdmode_muxreg), + }, +}; + +static struct spear_pingroup clcd_lcdmode_pingroup = { + .name = "clcd_lcdmode_grp", + .pins = clcd_lcdmode_pins, + .npins = ARRAY_SIZE(clcd_lcdmode_pins), + .modemuxs = clcd_lcdmode_modemux, + .nmodemuxs = ARRAY_SIZE(clcd_lcdmode_modemux), +}; + +/* clcd_pfmode_pins */ +static const unsigned clcd_pfmode_pins[] = { 47, 48, 49, 50 }; +static struct spear_muxreg clcd_pfmode_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_2_3_MASK, + .val = 0, + }, +}; + +static struct spear_modemux clcd_pfmode_modemux[] = { + { + .modes = PHOTO_FRAME_MODE, + .muxregs = clcd_pfmode_muxreg, + .nmuxregs = ARRAY_SIZE(clcd_pfmode_muxreg), + }, +}; + +static struct spear_pingroup clcd_pfmode_pingroup = { + .name = "clcd_pfmode_grp", + .pins = clcd_pfmode_pins, + .npins = ARRAY_SIZE(clcd_pfmode_pins), + .modemuxs = clcd_pfmode_modemux, + .nmodemuxs = ARRAY_SIZE(clcd_pfmode_modemux), +}; + +static const char *const clcd_grps[] = { "clcd_lcdmode_grp", "clcd_pfmode_grp" +}; +static struct spear_function clcd_function = { + .name = "clcd", + .groups = clcd_grps, + .ngroups = ARRAY_SIZE(clcd_grps), +}; + +/* tdm_pins */ +static const unsigned tdm_pins[] = { 34, 35, 36, 37, 38 }; +static struct spear_muxreg tdm_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK, + .val = 0, + }, +}; + +static struct spear_modemux tdm_modemux[] = { + { + .modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | + HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE + | HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE + | ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE + | CAMU_WLCD_MODE | CAML_LCD_MODE, + .muxregs = tdm_muxreg, + .nmuxregs = ARRAY_SIZE(tdm_muxreg), + }, +}; + +static struct spear_pingroup tdm_pingroup = { + .name = "tdm_grp", + .pins = tdm_pins, + .npins = ARRAY_SIZE(tdm_pins), + .modemuxs = tdm_modemux, + .nmodemuxs = ARRAY_SIZE(tdm_modemux), +}; + +static const char *const tdm_grps[] = { "tdm_grp" }; +static struct spear_function tdm_function = { + .name = "tdm", + .groups = tdm_grps, + .ngroups = ARRAY_SIZE(tdm_grps), +}; + +/* i2c_clk_pins */ +static const unsigned i2c_clk_pins[] = { 45, 46, 47, 48 }; +static struct spear_muxreg i2c_clk_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, + .val = 0, + }, +}; + +static struct spear_modemux i2c_clk_modemux[] = { + { + .modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE | + LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE | + ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE | CAML_LCDW_MODE + | CAML_LCD_MODE, + .muxregs = i2c_clk_muxreg, + .nmuxregs = ARRAY_SIZE(i2c_clk_muxreg), + }, +}; + +static struct spear_pingroup i2c_clk_pingroup = { + .name = "i2c_clk_grp_grp", + .pins = i2c_clk_pins, + .npins = ARRAY_SIZE(i2c_clk_pins), + .modemuxs = i2c_clk_modemux, + .nmodemuxs = ARRAY_SIZE(i2c_clk_modemux), +}; + +static const char *const i2c_grps[] = { "i2c_clk_grp" }; +static struct spear_function i2c_function = { + .name = "i2c1", + .groups = i2c_grps, + .ngroups = ARRAY_SIZE(i2c_grps), +}; + +/* caml_pins */ +static const unsigned caml_pins[] = { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 }; +static struct spear_muxreg caml_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_modemux caml_modemux[] = { + { + .modes = CAML_LCDW_MODE | CAML_LCD_MODE, + .muxregs = caml_muxreg, + .nmuxregs = ARRAY_SIZE(caml_muxreg), + }, +}; + +static struct spear_pingroup caml_pingroup = { + .name = "caml_grp", + .pins = caml_pins, + .npins = ARRAY_SIZE(caml_pins), + .modemuxs = caml_modemux, + .nmodemuxs = ARRAY_SIZE(caml_modemux), +}; + +/* camu_pins */ +static const unsigned camu_pins[] = { 16, 17, 18, 19, 20, 21, 45, 46, 47, 48 }; +static struct spear_muxreg camu_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK | PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_modemux camu_modemux[] = { + { + .modes = CAMU_LCD_MODE | CAMU_WLCD_MODE, + .muxregs = camu_muxreg, + .nmuxregs = ARRAY_SIZE(camu_muxreg), + }, +}; + +static struct spear_pingroup camu_pingroup = { + .name = "camu_grp", + .pins = camu_pins, + .npins = ARRAY_SIZE(camu_pins), + .modemuxs = camu_modemux, + .nmodemuxs = ARRAY_SIZE(camu_modemux), +}; + +static const char *const cam_grps[] = { "caml_grp", "camu_grp" }; +static struct spear_function cam_function = { + .name = "cam", + .groups = cam_grps, + .ngroups = ARRAY_SIZE(cam_grps), +}; + +/* dac_pins */ +static const unsigned dac_pins[] = { 43, 44 }; +static struct spear_muxreg dac_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK, + .val = 0, + }, +}; + +static struct spear_modemux dac_modemux[] = { + { + .modes = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE + | CAMU_WLCD_MODE | CAML_LCD_MODE, + .muxregs = dac_muxreg, + .nmuxregs = ARRAY_SIZE(dac_muxreg), + }, +}; + +static struct spear_pingroup dac_pingroup = { + .name = "dac_grp", + .pins = dac_pins, + .npins = ARRAY_SIZE(dac_pins), + .modemuxs = dac_modemux, + .nmodemuxs = ARRAY_SIZE(dac_modemux), +}; + +static const char *const dac_grps[] = { "dac_grp" }; +static struct spear_function dac_function = { + .name = "dac", + .groups = dac_grps, + .ngroups = ARRAY_SIZE(dac_grps), +}; + +/* i2s_pins */ +static const unsigned i2s_pins[] = { 39, 40, 41, 42 }; +static struct spear_muxreg i2s_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, +}; + +static struct spear_modemux i2s_modemux[] = { + { + .modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE + | LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE | + ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE + | CAMU_WLCD_MODE | CAML_LCD_MODE, + .muxregs = i2s_muxreg, + .nmuxregs = ARRAY_SIZE(i2s_muxreg), + }, +}; + +static struct spear_pingroup i2s_pingroup = { + .name = "i2s_grp", + .pins = i2s_pins, + .npins = ARRAY_SIZE(i2s_pins), + .modemuxs = i2s_modemux, + .nmodemuxs = ARRAY_SIZE(i2s_modemux), +}; + +static const char *const i2s_grps[] = { "i2s_grp" }; +static struct spear_function i2s_function = { + .name = "i2s", + .groups = i2s_grps, + .ngroups = ARRAY_SIZE(i2s_grps), +}; + +/* sdhci_4bit_pins */ +static const unsigned sdhci_4bit_pins[] = { 28, 29, 30, 31, 32, 33 }; +static struct spear_muxreg sdhci_4bit_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK | + PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK | + PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK, + .val = 0, + }, +}; + +static struct spear_modemux sdhci_4bit_modemux[] = { + { + .modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | + HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE | + HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE | + CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE, + .muxregs = sdhci_4bit_muxreg, + .nmuxregs = ARRAY_SIZE(sdhci_4bit_muxreg), + }, +}; + +static struct spear_pingroup sdhci_4bit_pingroup = { + .name = "sdhci_4bit_grp", + .pins = sdhci_4bit_pins, + .npins = ARRAY_SIZE(sdhci_4bit_pins), + .modemuxs = sdhci_4bit_modemux, + .nmodemuxs = ARRAY_SIZE(sdhci_4bit_modemux), +}; + +/* sdhci_8bit_pins */ +static const unsigned sdhci_8bit_pins[] = { 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33 }; +static struct spear_muxreg sdhci_8bit_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK | + PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK | + PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_modemux sdhci_8bit_modemux[] = { + { + .modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | + HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE | + HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE | + CAMU_WLCD_MODE | CAML_LCD_MODE, + .muxregs = sdhci_8bit_muxreg, + .nmuxregs = ARRAY_SIZE(sdhci_8bit_muxreg), + }, +}; + +static struct spear_pingroup sdhci_8bit_pingroup = { + .name = "sdhci_8bit_grp", + .pins = sdhci_8bit_pins, + .npins = ARRAY_SIZE(sdhci_8bit_pins), + .modemuxs = sdhci_8bit_modemux, + .nmodemuxs = ARRAY_SIZE(sdhci_8bit_modemux), +}; + +static const char *const sdhci_grps[] = { "sdhci_4bit_grp", "sdhci_8bit_grp" }; +static struct spear_function sdhci_function = { + .name = "sdhci", + .groups = sdhci_grps, + .ngroups = ARRAY_SIZE(sdhci_grps), +}; + +/* gpio1_0_to_3_pins */ +static const unsigned gpio1_0_to_3_pins[] = { 39, 40, 41, 42 }; +static struct spear_muxreg gpio1_0_to_3_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, +}; + +static struct spear_modemux gpio1_0_to_3_modemux[] = { + { + .modes = PHOTO_FRAME_MODE, + .muxregs = gpio1_0_to_3_muxreg, + .nmuxregs = ARRAY_SIZE(gpio1_0_to_3_muxreg), + }, +}; + +static struct spear_pingroup gpio1_0_to_3_pingroup = { + .name = "gpio1_0_to_3_grp", + .pins = gpio1_0_to_3_pins, + .npins = ARRAY_SIZE(gpio1_0_to_3_pins), + .modemuxs = gpio1_0_to_3_modemux, + .nmodemuxs = ARRAY_SIZE(gpio1_0_to_3_modemux), +}; + +/* gpio1_4_to_7_pins */ +static const unsigned gpio1_4_to_7_pins[] = { 43, 44, 45, 46 }; + +static struct spear_muxreg gpio1_4_to_7_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, + .val = 0, + }, +}; + +static struct spear_modemux gpio1_4_to_7_modemux[] = { + { + .modes = PHOTO_FRAME_MODE, + .muxregs = gpio1_4_to_7_muxreg, + .nmuxregs = ARRAY_SIZE(gpio1_4_to_7_muxreg), + }, +}; + +static struct spear_pingroup gpio1_4_to_7_pingroup = { + .name = "gpio1_4_to_7_grp", + .pins = gpio1_4_to_7_pins, + .npins = ARRAY_SIZE(gpio1_4_to_7_pins), + .modemuxs = gpio1_4_to_7_modemux, + .nmodemuxs = ARRAY_SIZE(gpio1_4_to_7_modemux), +}; + +static const char *const gpio1_grps[] = { "gpio1_0_to_3_grp", "gpio1_4_to_7_grp" +}; +static struct spear_function gpio1_function = { + .name = "gpio1", + .groups = gpio1_grps, + .ngroups = ARRAY_SIZE(gpio1_grps), +}; + +/* pingroups */ +static struct spear_pingroup *spear300_pingroups[] = { + SPEAR3XX_COMMON_PINGROUPS, + &fsmc_2chips_pingroup, + &fsmc_4chips_pingroup, + &clcd_lcdmode_pingroup, + &clcd_pfmode_pingroup, + &tdm_pingroup, + &i2c_clk_pingroup, + &caml_pingroup, + &camu_pingroup, + &dac_pingroup, + &i2s_pingroup, + &sdhci_4bit_pingroup, + &sdhci_8bit_pingroup, + &gpio1_0_to_3_pingroup, + &gpio1_4_to_7_pingroup, +}; + +/* functions */ +static struct spear_function *spear300_functions[] = { + SPEAR3XX_COMMON_FUNCTIONS, + &fsmc_function, + &clcd_function, + &tdm_function, + &i2c_function, + &cam_function, + &dac_function, + &i2s_function, + &sdhci_function, + &gpio1_function, +}; + +static struct of_device_id spear300_pinctrl_of_match[] __devinitdata = { + { + .compatible = "st,spear300-pinmux", + }, + {}, +}; + +static int __devinit spear300_pinctrl_probe(struct platform_device *pdev) +{ + int ret; + + spear3xx_machdata.groups = spear300_pingroups; + spear3xx_machdata.ngroups = ARRAY_SIZE(spear300_pingroups); + spear3xx_machdata.functions = spear300_functions; + spear3xx_machdata.nfunctions = ARRAY_SIZE(spear300_functions); + + spear3xx_machdata.modes_supported = true; + spear3xx_machdata.pmx_modes = spear300_pmx_modes; + spear3xx_machdata.npmx_modes = ARRAY_SIZE(spear300_pmx_modes); + + pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG); + + ret = spear_pinctrl_probe(pdev, &spear3xx_machdata); + if (ret) + return ret; + + return 0; +} + +static int __devexit spear300_pinctrl_remove(struct platform_device *pdev) +{ + return spear_pinctrl_remove(pdev); +} + +static struct platform_driver spear300_pinctrl_driver = { + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = spear300_pinctrl_of_match, + }, + .probe = spear300_pinctrl_probe, + .remove = __devexit_p(spear300_pinctrl_remove), +}; + +static int __init spear300_pinctrl_init(void) +{ + return platform_driver_register(&spear300_pinctrl_driver); +} +arch_initcall(spear300_pinctrl_init); + +static void __exit spear300_pinctrl_exit(void) +{ + platform_driver_unregister(&spear300_pinctrl_driver); +} +module_exit(spear300_pinctrl_exit); + +MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>"); +MODULE_DESCRIPTION("ST Microelectronics SPEAr300 pinctrl driver"); +MODULE_LICENSE("GPL v2"); +MODULE_DEVICE_TABLE(of, spear300_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear310.c b/drivers/pinctrl/spear/pinctrl-spear310.c new file mode 100644 index 000000000000..1a9707605125 --- /dev/null +++ b/drivers/pinctrl/spear/pinctrl-spear310.c @@ -0,0 +1,431 @@ +/* + * Driver for the ST Microelectronics SPEAr310 pinmux + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar <viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include "pinctrl-spear3xx.h" + +#define DRIVER_NAME "spear310-pinmux" + +/* addresses */ +#define PMX_CONFIG_REG 0x08 + +/* emi_cs_0_to_5_pins */ +static const unsigned emi_cs_0_to_5_pins[] = { 45, 46, 47, 48, 49, 50 }; +static struct spear_muxreg emi_cs_0_to_5_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, + .val = 0, + }, +}; + +static struct spear_modemux emi_cs_0_to_5_modemux[] = { + { + .muxregs = emi_cs_0_to_5_muxreg, + .nmuxregs = ARRAY_SIZE(emi_cs_0_to_5_muxreg), + }, +}; + +static struct spear_pingroup emi_cs_0_to_5_pingroup = { + .name = "emi_cs_0_to_5_grp", + .pins = emi_cs_0_to_5_pins, + .npins = ARRAY_SIZE(emi_cs_0_to_5_pins), + .modemuxs = emi_cs_0_to_5_modemux, + .nmodemuxs = ARRAY_SIZE(emi_cs_0_to_5_modemux), +}; + +static const char *const emi_cs_0_to_5_grps[] = { "emi_cs_0_to_5_grp" }; +static struct spear_function emi_cs_0_to_5_function = { + .name = "emi", + .groups = emi_cs_0_to_5_grps, + .ngroups = ARRAY_SIZE(emi_cs_0_to_5_grps), +}; + +/* uart1_pins */ +static const unsigned uart1_pins[] = { 0, 1 }; +static struct spear_muxreg uart1_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_FIRDA_MASK, + .val = 0, + }, +}; + +static struct spear_modemux uart1_modemux[] = { + { + .muxregs = uart1_muxreg, + .nmuxregs = ARRAY_SIZE(uart1_muxreg), + }, +}; + +static struct spear_pingroup uart1_pingroup = { + .name = "uart1_grp", + .pins = uart1_pins, + .npins = ARRAY_SIZE(uart1_pins), + .modemuxs = uart1_modemux, + .nmodemuxs = ARRAY_SIZE(uart1_modemux), +}; + +static const char *const uart1_grps[] = { "uart1_grp" }; +static struct spear_function uart1_function = { + .name = "uart1", + .groups = uart1_grps, + .ngroups = ARRAY_SIZE(uart1_grps), +}; + +/* uart2_pins */ +static const unsigned uart2_pins[] = { 43, 44 }; +static struct spear_muxreg uart2_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK, + .val = 0, + }, +}; + +static struct spear_modemux uart2_modemux[] = { + { + .muxregs = uart2_muxreg, + .nmuxregs = ARRAY_SIZE(uart2_muxreg), + }, +}; + +static struct spear_pingroup uart2_pingroup = { + .name = "uart2_grp", + .pins = uart2_pins, + .npins = ARRAY_SIZE(uart2_pins), + .modemuxs = uart2_modemux, + .nmodemuxs = ARRAY_SIZE(uart2_modemux), +}; + +static const char *const uart2_grps[] = { "uart2_grp" }; +static struct spear_function uart2_function = { + .name = "uart2", + .groups = uart2_grps, + .ngroups = ARRAY_SIZE(uart2_grps), +}; + +/* uart3_pins */ +static const unsigned uart3_pins[] = { 37, 38 }; +static struct spear_muxreg uart3_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, +}; + +static struct spear_modemux uart3_modemux[] = { + { + .muxregs = uart3_muxreg, + .nmuxregs = ARRAY_SIZE(uart3_muxreg), + }, +}; + +static struct spear_pingroup uart3_pingroup = { + .name = "uart3_grp", + .pins = uart3_pins, + .npins = ARRAY_SIZE(uart3_pins), + .modemuxs = uart3_modemux, + .nmodemuxs = ARRAY_SIZE(uart3_modemux), +}; + +static const char *const uart3_grps[] = { "uart3_grp" }; +static struct spear_function uart3_function = { + .name = "uart3", + .groups = uart3_grps, + .ngroups = ARRAY_SIZE(uart3_grps), +}; + +/* uart4_pins */ +static const unsigned uart4_pins[] = { 39, 40 }; +static struct spear_muxreg uart4_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, +}; + +static struct spear_modemux uart4_modemux[] = { + { + .muxregs = uart4_muxreg, + .nmuxregs = ARRAY_SIZE(uart4_muxreg), + }, +}; + +static struct spear_pingroup uart4_pingroup = { + .name = "uart4_grp", + .pins = uart4_pins, + .npins = ARRAY_SIZE(uart4_pins), + .modemuxs = uart4_modemux, + .nmodemuxs = ARRAY_SIZE(uart4_modemux), +}; + +static const char *const uart4_grps[] = { "uart4_grp" }; +static struct spear_function uart4_function = { + .name = "uart4", + .groups = uart4_grps, + .ngroups = ARRAY_SIZE(uart4_grps), +}; + +/* uart5_pins */ +static const unsigned uart5_pins[] = { 41, 42 }; +static struct spear_muxreg uart5_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, +}; + +static struct spear_modemux uart5_modemux[] = { + { + .muxregs = uart5_muxreg, + .nmuxregs = ARRAY_SIZE(uart5_muxreg), + }, +}; + +static struct spear_pingroup uart5_pingroup = { + .name = "uart5_grp", + .pins = uart5_pins, + .npins = ARRAY_SIZE(uart5_pins), + .modemuxs = uart5_modemux, + .nmodemuxs = ARRAY_SIZE(uart5_modemux), +}; + +static const char *const uart5_grps[] = { "uart5_grp" }; +static struct spear_function uart5_function = { + .name = "uart5", + .groups = uart5_grps, + .ngroups = ARRAY_SIZE(uart5_grps), +}; + +/* fsmc_pins */ +static const unsigned fsmc_pins[] = { 34, 35, 36 }; +static struct spear_muxreg fsmc_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_CS_MASK, + .val = 0, + }, +}; + +static struct spear_modemux fsmc_modemux[] = { + { + .muxregs = fsmc_muxreg, + .nmuxregs = ARRAY_SIZE(fsmc_muxreg), + }, +}; + +static struct spear_pingroup fsmc_pingroup = { + .name = "fsmc_grp", + .pins = fsmc_pins, + .npins = ARRAY_SIZE(fsmc_pins), + .modemuxs = fsmc_modemux, + .nmodemuxs = ARRAY_SIZE(fsmc_modemux), +}; + +static const char *const fsmc_grps[] = { "fsmc_grp" }; +static struct spear_function fsmc_function = { + .name = "fsmc", + .groups = fsmc_grps, + .ngroups = ARRAY_SIZE(fsmc_grps), +}; + +/* rs485_0_pins */ +static const unsigned rs485_0_pins[] = { 19, 20, 21, 22, 23 }; +static struct spear_muxreg rs485_0_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_modemux rs485_0_modemux[] = { + { + .muxregs = rs485_0_muxreg, + .nmuxregs = ARRAY_SIZE(rs485_0_muxreg), + }, +}; + +static struct spear_pingroup rs485_0_pingroup = { + .name = "rs485_0_grp", + .pins = rs485_0_pins, + .npins = ARRAY_SIZE(rs485_0_pins), + .modemuxs = rs485_0_modemux, + .nmodemuxs = ARRAY_SIZE(rs485_0_modemux), +}; + +static const char *const rs485_0_grps[] = { "rs485_0" }; +static struct spear_function rs485_0_function = { + .name = "rs485_0", + .groups = rs485_0_grps, + .ngroups = ARRAY_SIZE(rs485_0_grps), +}; + +/* rs485_1_pins */ +static const unsigned rs485_1_pins[] = { 14, 15, 16, 17, 18 }; +static struct spear_muxreg rs485_1_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_modemux rs485_1_modemux[] = { + { + .muxregs = rs485_1_muxreg, + .nmuxregs = ARRAY_SIZE(rs485_1_muxreg), + }, +}; + +static struct spear_pingroup rs485_1_pingroup = { + .name = "rs485_1_grp", + .pins = rs485_1_pins, + .npins = ARRAY_SIZE(rs485_1_pins), + .modemuxs = rs485_1_modemux, + .nmodemuxs = ARRAY_SIZE(rs485_1_modemux), +}; + +static const char *const rs485_1_grps[] = { "rs485_1" }; +static struct spear_function rs485_1_function = { + .name = "rs485_1", + .groups = rs485_1_grps, + .ngroups = ARRAY_SIZE(rs485_1_grps), +}; + +/* tdm_pins */ +static const unsigned tdm_pins[] = { 10, 11, 12, 13 }; +static struct spear_muxreg tdm_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_modemux tdm_modemux[] = { + { + .muxregs = tdm_muxreg, + .nmuxregs = ARRAY_SIZE(tdm_muxreg), + }, +}; + +static struct spear_pingroup tdm_pingroup = { + .name = "tdm_grp", + .pins = tdm_pins, + .npins = ARRAY_SIZE(tdm_pins), + .modemuxs = tdm_modemux, + .nmodemuxs = ARRAY_SIZE(tdm_modemux), +}; + +static const char *const tdm_grps[] = { "tdm_grp" }; +static struct spear_function tdm_function = { + .name = "tdm", + .groups = tdm_grps, + .ngroups = ARRAY_SIZE(tdm_grps), +}; + +/* pingroups */ +static struct spear_pingroup *spear310_pingroups[] = { + SPEAR3XX_COMMON_PINGROUPS, + &emi_cs_0_to_5_pingroup, + &uart1_pingroup, + &uart2_pingroup, + &uart3_pingroup, + &uart4_pingroup, + &uart5_pingroup, + &fsmc_pingroup, + &rs485_0_pingroup, + &rs485_1_pingroup, + &tdm_pingroup, +}; + +/* functions */ +static struct spear_function *spear310_functions[] = { + SPEAR3XX_COMMON_FUNCTIONS, + &emi_cs_0_to_5_function, + &uart1_function, + &uart2_function, + &uart3_function, + &uart4_function, + &uart5_function, + &fsmc_function, + &rs485_0_function, + &rs485_1_function, + &tdm_function, +}; + +static struct of_device_id spear310_pinctrl_of_match[] __devinitdata = { + { + .compatible = "st,spear310-pinmux", + }, + {}, +}; + +static int __devinit spear310_pinctrl_probe(struct platform_device *pdev) +{ + int ret; + + spear3xx_machdata.groups = spear310_pingroups; + spear3xx_machdata.ngroups = ARRAY_SIZE(spear310_pingroups); + spear3xx_machdata.functions = spear310_functions; + spear3xx_machdata.nfunctions = ARRAY_SIZE(spear310_functions); + + pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG); + + spear3xx_machdata.modes_supported = false; + + ret = spear_pinctrl_probe(pdev, &spear3xx_machdata); + if (ret) + return ret; + + return 0; +} + +static int __devexit spear310_pinctrl_remove(struct platform_device *pdev) +{ + return spear_pinctrl_remove(pdev); +} + +static struct platform_driver spear310_pinctrl_driver = { + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = spear310_pinctrl_of_match, + }, + .probe = spear310_pinctrl_probe, + .remove = __devexit_p(spear310_pinctrl_remove), +}; + +static int __init spear310_pinctrl_init(void) +{ + return platform_driver_register(&spear310_pinctrl_driver); +} +arch_initcall(spear310_pinctrl_init); + +static void __exit spear310_pinctrl_exit(void) +{ + platform_driver_unregister(&spear310_pinctrl_driver); +} +module_exit(spear310_pinctrl_exit); + +MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>"); +MODULE_DESCRIPTION("ST Microelectronics SPEAr310 pinctrl driver"); +MODULE_LICENSE("GPL v2"); +MODULE_DEVICE_TABLE(of, SPEAr310_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear320.c b/drivers/pinctrl/spear/pinctrl-spear320.c new file mode 100644 index 000000000000..de726e6c283a --- /dev/null +++ b/drivers/pinctrl/spear/pinctrl-spear320.c @@ -0,0 +1,3468 @@ +/* + * Driver for the ST Microelectronics SPEAr320 pinmux + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar <viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include "pinctrl-spear3xx.h" + +#define DRIVER_NAME "spear320-pinmux" + +/* addresses */ +#define PMX_CONFIG_REG 0x0C +#define MODE_CONFIG_REG 0x10 +#define MODE_EXT_CONFIG_REG 0x18 + +/* modes */ +#define AUTO_NET_SMII_MODE (1 << 0) +#define AUTO_NET_MII_MODE (1 << 1) +#define AUTO_EXP_MODE (1 << 2) +#define SMALL_PRINTERS_MODE (1 << 3) +#define EXTENDED_MODE (1 << 4) + +static struct spear_pmx_mode pmx_mode_auto_net_smii = { + .name = "Automation Networking SMII mode", + .mode = AUTO_NET_SMII_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x00000007, + .val = 0x0, +}; + +static struct spear_pmx_mode pmx_mode_auto_net_mii = { + .name = "Automation Networking MII mode", + .mode = AUTO_NET_MII_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x00000007, + .val = 0x1, +}; + +static struct spear_pmx_mode pmx_mode_auto_exp = { + .name = "Automation Expanded mode", + .mode = AUTO_EXP_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x00000007, + .val = 0x2, +}; + +static struct spear_pmx_mode pmx_mode_small_printers = { + .name = "Small Printers mode", + .mode = SMALL_PRINTERS_MODE, + .reg = MODE_CONFIG_REG, + .mask = 0x00000007, + .val = 0x3, +}; + +static struct spear_pmx_mode pmx_mode_extended = { + .name = "extended mode", + .mode = EXTENDED_MODE, + .reg = MODE_EXT_CONFIG_REG, + .mask = 0x00000001, + .val = 0x1, +}; + +static struct spear_pmx_mode *spear320_pmx_modes[] = { + &pmx_mode_auto_net_smii, + &pmx_mode_auto_net_mii, + &pmx_mode_auto_exp, + &pmx_mode_small_printers, + &pmx_mode_extended, +}; + +/* Extended mode registers and their offsets */ +#define EXT_CTRL_REG 0x0018 + #define MII_MDIO_MASK (1 << 4) + #define MII_MDIO_10_11_VAL 0 + #define MII_MDIO_81_VAL (1 << 4) + #define EMI_FSMC_DYNAMIC_MUX_MASK (1 << 5) + #define MAC_MODE_MII 0 + #define MAC_MODE_RMII 1 + #define MAC_MODE_SMII 2 + #define MAC_MODE_SS_SMII 3 + #define MAC_MODE_MASK 0x3 + #define MAC1_MODE_SHIFT 16 + #define MAC2_MODE_SHIFT 18 + +#define IP_SEL_PAD_0_9_REG 0x00A4 + #define PMX_PL_0_1_MASK (0x3F << 0) + #define PMX_UART2_PL_0_1_VAL 0x0 + #define PMX_I2C2_PL_0_1_VAL (0x4 | (0x4 << 3)) + + #define PMX_PL_2_3_MASK (0x3F << 6) + #define PMX_I2C2_PL_2_3_VAL 0x0 + #define PMX_UART6_PL_2_3_VAL ((0x1 << 6) | (0x1 << 9)) + #define PMX_UART1_ENH_PL_2_3_VAL ((0x4 << 6) | (0x4 << 9)) + + #define PMX_PL_4_5_MASK (0x3F << 12) + #define PMX_UART5_PL_4_5_VAL ((0x1 << 12) | (0x1 << 15)) + #define PMX_UART1_ENH_PL_4_5_VAL ((0x4 << 12) | (0x4 << 15)) + #define PMX_PL_5_MASK (0x7 << 15) + #define PMX_TOUCH_Y_PL_5_VAL 0x0 + + #define PMX_PL_6_7_MASK (0x3F << 18) + #define PMX_PL_6_MASK (0x7 << 18) + #define PMX_PL_7_MASK (0x7 << 21) + #define PMX_UART4_PL_6_7_VAL ((0x1 << 18) | (0x1 << 21)) + #define PMX_PWM_3_PL_6_VAL (0x2 << 18) + #define PMX_PWM_2_PL_7_VAL (0x2 << 21) + #define PMX_UART1_ENH_PL_6_7_VAL ((0x4 << 18) | (0x4 << 21)) + + #define PMX_PL_8_9_MASK (0x3F << 24) + #define PMX_UART3_PL_8_9_VAL ((0x1 << 24) | (0x1 << 27)) + #define PMX_PWM_0_1_PL_8_9_VAL ((0x2 << 24) | (0x2 << 27)) + #define PMX_I2C1_PL_8_9_VAL ((0x4 << 24) | (0x4 << 27)) + +#define IP_SEL_PAD_10_19_REG 0x00A8 + #define PMX_PL_10_11_MASK (0x3F << 0) + #define PMX_SMII_PL_10_11_VAL 0 + #define PMX_RMII_PL_10_11_VAL ((0x4 << 0) | (0x4 << 3)) + + #define PMX_PL_12_MASK (0x7 << 6) + #define PMX_PWM3_PL_12_VAL 0 + #define PMX_SDHCI_CD_PL_12_VAL (0x4 << 6) + + #define PMX_PL_13_14_MASK (0x3F << 9) + #define PMX_PL_13_MASK (0x7 << 9) + #define PMX_PL_14_MASK (0x7 << 12) + #define PMX_SSP2_PL_13_14_15_16_VAL 0 + #define PMX_UART4_PL_13_14_VAL ((0x1 << 9) | (0x1 << 12)) + #define PMX_RMII_PL_13_14_VAL ((0x4 << 9) | (0x4 << 12)) + #define PMX_PWM2_PL_13_VAL (0x2 << 9) + #define PMX_PWM1_PL_14_VAL (0x2 << 12) + + #define PMX_PL_15_MASK (0x7 << 15) + #define PMX_PWM0_PL_15_VAL (0x2 << 15) + #define PMX_PL_15_16_MASK (0x3F << 15) + #define PMX_UART3_PL_15_16_VAL ((0x1 << 15) | (0x1 << 18)) + #define PMX_RMII_PL_15_16_VAL ((0x4 << 15) | (0x4 << 18)) + + #define PMX_PL_17_18_MASK (0x3F << 21) + #define PMX_SSP1_PL_17_18_19_20_VAL 0 + #define PMX_RMII_PL_17_18_VAL ((0x4 << 21) | (0x4 << 24)) + + #define PMX_PL_19_MASK (0x7 << 27) + #define PMX_I2C2_PL_19_VAL (0x1 << 27) + #define PMX_RMII_PL_19_VAL (0x4 << 27) + +#define IP_SEL_PAD_20_29_REG 0x00AC + #define PMX_PL_20_MASK (0x7 << 0) + #define PMX_I2C2_PL_20_VAL (0x1 << 0) + #define PMX_RMII_PL_20_VAL (0x4 << 0) + + #define PMX_PL_21_TO_27_MASK (0x1FFFFF << 3) + #define PMX_SMII_PL_21_TO_27_VAL 0 + #define PMX_RMII_PL_21_TO_27_VAL ((0x4 << 3) | (0x4 << 6) | (0x4 << 9) | (0x4 << 12) | (0x4 << 15) | (0x4 << 18) | (0x4 << 21)) + + #define PMX_PL_28_29_MASK (0x3F << 24) + #define PMX_PL_28_MASK (0x7 << 24) + #define PMX_PL_29_MASK (0x7 << 27) + #define PMX_UART1_PL_28_29_VAL 0 + #define PMX_PWM_3_PL_28_VAL (0x4 << 24) + #define PMX_PWM_2_PL_29_VAL (0x4 << 27) + +#define IP_SEL_PAD_30_39_REG 0x00B0 + #define PMX_PL_30_31_MASK (0x3F << 0) + #define PMX_CAN1_PL_30_31_VAL (0) + #define PMX_PL_30_MASK (0x7 << 0) + #define PMX_PL_31_MASK (0x7 << 3) + #define PMX_PWM1_EXT_PL_30_VAL (0x4 << 0) + #define PMX_PWM0_EXT_PL_31_VAL (0x4 << 3) + #define PMX_UART1_ENH_PL_31_VAL (0x3 << 3) + + #define PMX_PL_32_33_MASK (0x3F << 6) + #define PMX_CAN0_PL_32_33_VAL 0 + #define PMX_UART1_ENH_PL_32_33_VAL ((0x3 << 6) | (0x3 << 9)) + #define PMX_SSP2_PL_32_33_VAL ((0x4 << 6) | (0x4 << 9)) + + #define PMX_PL_34_MASK (0x7 << 12) + #define PMX_PWM2_PL_34_VAL 0 + #define PMX_UART1_ENH_PL_34_VAL (0x2 << 12) + #define PMX_SSP2_PL_34_VAL (0x4 << 12) + + #define PMX_PL_35_MASK (0x7 << 15) + #define PMX_I2S_REF_CLK_PL_35_VAL 0 + #define PMX_UART1_ENH_PL_35_VAL (0x2 << 15) + #define PMX_SSP2_PL_35_VAL (0x4 << 15) + + #define PMX_PL_36_MASK (0x7 << 18) + #define PMX_TOUCH_X_PL_36_VAL 0 + #define PMX_UART1_ENH_PL_36_VAL (0x2 << 18) + #define PMX_SSP1_PL_36_VAL (0x4 << 18) + + #define PMX_PL_37_38_MASK (0x3F << 21) + #define PMX_PWM0_1_PL_37_38_VAL 0 + #define PMX_UART5_PL_37_38_VAL ((0x2 << 21) | (0x2 << 24)) + #define PMX_SSP1_PL_37_38_VAL ((0x4 << 21) | (0x4 << 24)) + + #define PMX_PL_39_MASK (0x7 << 27) + #define PMX_I2S_PL_39_VAL 0 + #define PMX_UART4_PL_39_VAL (0x2 << 27) + #define PMX_SSP1_PL_39_VAL (0x4 << 27) + +#define IP_SEL_PAD_40_49_REG 0x00B4 + #define PMX_PL_40_MASK (0x7 << 0) + #define PMX_I2S_PL_40_VAL 0 + #define PMX_UART4_PL_40_VAL (0x2 << 0) + #define PMX_PWM3_PL_40_VAL (0x4 << 0) + + #define PMX_PL_41_42_MASK (0x3F << 3) + #define PMX_PL_41_MASK (0x7 << 3) + #define PMX_PL_42_MASK (0x7 << 6) + #define PMX_I2S_PL_41_42_VAL 0 + #define PMX_UART3_PL_41_42_VAL ((0x2 << 3) | (0x2 << 6)) + #define PMX_PWM2_PL_41_VAL (0x4 << 3) + #define PMX_PWM1_PL_42_VAL (0x4 << 6) + + #define PMX_PL_43_MASK (0x7 << 9) + #define PMX_SDHCI_PL_43_VAL 0 + #define PMX_UART1_ENH_PL_43_VAL (0x2 << 9) + #define PMX_PWM0_PL_43_VAL (0x4 << 9) + + #define PMX_PL_44_45_MASK (0x3F << 12) + #define PMX_SDHCI_PL_44_45_VAL 0 + #define PMX_UART1_ENH_PL_44_45_VAL ((0x2 << 12) | (0x2 << 15)) + #define PMX_SSP2_PL_44_45_VAL ((0x4 << 12) | (0x4 << 15)) + + #define PMX_PL_46_47_MASK (0x3F << 18) + #define PMX_SDHCI_PL_46_47_VAL 0 + #define PMX_FSMC_EMI_PL_46_47_VAL ((0x2 << 18) | (0x2 << 21)) + #define PMX_SSP2_PL_46_47_VAL ((0x4 << 18) | (0x4 << 21)) + + #define PMX_PL_48_49_MASK (0x3F << 24) + #define PMX_SDHCI_PL_48_49_VAL 0 + #define PMX_FSMC_EMI_PL_48_49_VAL ((0x2 << 24) | (0x2 << 27)) + #define PMX_SSP1_PL_48_49_VAL ((0x4 << 24) | (0x4 << 27)) + +#define IP_SEL_PAD_50_59_REG 0x00B8 + #define PMX_PL_50_51_MASK (0x3F << 0) + #define PMX_EMI_PL_50_51_VAL ((0x2 << 0) | (0x2 << 3)) + #define PMX_SSP1_PL_50_51_VAL ((0x4 << 0) | (0x4 << 3)) + #define PMX_PL_50_MASK (0x7 << 0) + #define PMX_PL_51_MASK (0x7 << 3) + #define PMX_SDHCI_PL_50_VAL 0 + #define PMX_SDHCI_CD_PL_51_VAL 0 + + #define PMX_PL_52_53_MASK (0x3F << 6) + #define PMX_FSMC_PL_52_53_VAL 0 + #define PMX_EMI_PL_52_53_VAL ((0x2 << 6) | (0x2 << 9)) + #define PMX_UART3_PL_52_53_VAL ((0x4 << 6) | (0x4 << 9)) + + #define PMX_PL_54_55_56_MASK (0x1FF << 12) + #define PMX_FSMC_EMI_PL_54_55_56_VAL ((0x2 << 12) | (0x2 << 15) | (0x2 << 18)) + + #define PMX_PL_57_MASK (0x7 << 21) + #define PMX_FSMC_PL_57_VAL 0 + #define PMX_PWM3_PL_57_VAL (0x4 << 21) + + #define PMX_PL_58_59_MASK (0x3F << 24) + #define PMX_PL_58_MASK (0x7 << 24) + #define PMX_PL_59_MASK (0x7 << 27) + #define PMX_FSMC_EMI_PL_58_59_VAL ((0x2 << 24) | (0x2 << 27)) + #define PMX_PWM2_PL_58_VAL (0x4 << 24) + #define PMX_PWM1_PL_59_VAL (0x4 << 27) + +#define IP_SEL_PAD_60_69_REG 0x00BC + #define PMX_PL_60_MASK (0x7 << 0) + #define PMX_FSMC_PL_60_VAL 0 + #define PMX_PWM0_PL_60_VAL (0x4 << 0) + + #define PMX_PL_61_TO_64_MASK (0xFFF << 3) + #define PMX_FSMC_PL_61_TO_64_VAL ((0x2 << 3) | (0x2 << 6) | (0x2 << 9) | (0x2 << 12)) + #define PMX_SSP2_PL_61_TO_64_VAL ((0x4 << 3) | (0x4 << 6) | (0x4 << 9) | (0x4 << 12)) + + #define PMX_PL_65_TO_68_MASK (0xFFF << 15) + #define PMX_FSMC_PL_65_TO_68_VAL ((0x2 << 15) | (0x2 << 18) | (0x2 << 21) | (0x2 << 24)) + #define PMX_SSP1_PL_65_TO_68_VAL ((0x4 << 15) | (0x4 << 18) | (0x4 << 21) | (0x4 << 24)) + + #define PMX_PL_69_MASK (0x7 << 27) + #define PMX_CLCD_PL_69_VAL (0) + #define PMX_EMI_PL_69_VAL (0x2 << 27) + #define PMX_SPP_PL_69_VAL (0x3 << 27) + #define PMX_UART5_PL_69_VAL (0x4 << 27) + +#define IP_SEL_PAD_70_79_REG 0x00C0 + #define PMX_PL_70_MASK (0x7 << 0) + #define PMX_CLCD_PL_70_VAL (0) + #define PMX_FSMC_EMI_PL_70_VAL (0x2 << 0) + #define PMX_SPP_PL_70_VAL (0x3 << 0) + #define PMX_UART5_PL_70_VAL (0x4 << 0) + + #define PMX_PL_71_72_MASK (0x3F << 3) + #define PMX_CLCD_PL_71_72_VAL (0) + #define PMX_FSMC_EMI_PL_71_72_VAL ((0x2 << 3) | (0x2 << 6)) + #define PMX_SPP_PL_71_72_VAL ((0x3 << 3) | (0x3 << 6)) + #define PMX_UART4_PL_71_72_VAL ((0x4 << 3) | (0x4 << 6)) + + #define PMX_PL_73_MASK (0x7 << 9) + #define PMX_CLCD_PL_73_VAL (0) + #define PMX_FSMC_EMI_PL_73_VAL (0x2 << 9) + #define PMX_SPP_PL_73_VAL (0x3 << 9) + #define PMX_UART3_PL_73_VAL (0x4 << 9) + + #define PMX_PL_74_MASK (0x7 << 12) + #define PMX_CLCD_PL_74_VAL (0) + #define PMX_EMI_PL_74_VAL (0x2 << 12) + #define PMX_SPP_PL_74_VAL (0x3 << 12) + #define PMX_UART3_PL_74_VAL (0x4 << 12) + + #define PMX_PL_75_76_MASK (0x3F << 15) + #define PMX_CLCD_PL_75_76_VAL (0) + #define PMX_EMI_PL_75_76_VAL ((0x2 << 15) | (0x2 << 18)) + #define PMX_SPP_PL_75_76_VAL ((0x3 << 15) | (0x3 << 18)) + #define PMX_I2C2_PL_75_76_VAL ((0x4 << 15) | (0x4 << 18)) + + #define PMX_PL_77_78_79_MASK (0x1FF << 21) + #define PMX_CLCD_PL_77_78_79_VAL (0) + #define PMX_EMI_PL_77_78_79_VAL ((0x2 << 21) | (0x2 << 24) | (0x2 << 27)) + #define PMX_SPP_PL_77_78_79_VAL ((0x3 << 21) | (0x3 << 24) | (0x3 << 27)) + #define PMX_RS485_PL_77_78_79_VAL ((0x4 << 21) | (0x4 << 24) | (0x4 << 27)) + +#define IP_SEL_PAD_80_89_REG 0x00C4 + #define PMX_PL_80_TO_85_MASK (0x3FFFF << 0) + #define PMX_CLCD_PL_80_TO_85_VAL 0 + #define PMX_MII2_PL_80_TO_85_VAL ((0x1 << 0) | (0x1 << 3) | (0x1 << 6) | (0x1 << 9) | (0x1 << 12) | (0x1 << 15)) + #define PMX_EMI_PL_80_TO_85_VAL ((0x2 << 0) | (0x2 << 3) | (0x2 << 6) | (0x2 << 9) | (0x2 << 12) | (0x2 << 15)) + #define PMX_SPP_PL_80_TO_85_VAL ((0x3 << 0) | (0x3 << 3) | (0x3 << 6) | (0x3 << 9) | (0x3 << 12) | (0x3 << 15)) + #define PMX_UART1_ENH_PL_80_TO_85_VAL ((0x4 << 0) | (0x4 << 3) | (0x4 << 6) | (0x4 << 9) | (0x4 << 12) | (0x4 << 15)) + + #define PMX_PL_86_87_MASK (0x3F << 18) + #define PMX_PL_86_MASK (0x7 << 18) + #define PMX_PL_87_MASK (0x7 << 21) + #define PMX_CLCD_PL_86_87_VAL 0 + #define PMX_MII2_PL_86_87_VAL ((0x1 << 18) | (0x1 << 21)) + #define PMX_EMI_PL_86_87_VAL ((0x2 << 18) | (0x2 << 21)) + #define PMX_PWM3_PL_86_VAL (0x4 << 18) + #define PMX_PWM2_PL_87_VAL (0x4 << 21) + + #define PMX_PL_88_89_MASK (0x3F << 24) + #define PMX_CLCD_PL_88_89_VAL 0 + #define PMX_MII2_PL_88_89_VAL ((0x1 << 24) | (0x1 << 27)) + #define PMX_EMI_PL_88_89_VAL ((0x2 << 24) | (0x2 << 27)) + #define PMX_UART6_PL_88_89_VAL ((0x3 << 24) | (0x3 << 27)) + #define PMX_PWM0_1_PL_88_89_VAL ((0x4 << 24) | (0x4 << 27)) + +#define IP_SEL_PAD_90_99_REG 0x00C8 + #define PMX_PL_90_91_MASK (0x3F << 0) + #define PMX_CLCD_PL_90_91_VAL 0 + #define PMX_MII2_PL_90_91_VAL ((0x1 << 0) | (0x1 << 3)) + #define PMX_EMI1_PL_90_91_VAL ((0x2 << 0) | (0x2 << 3)) + #define PMX_UART5_PL_90_91_VAL ((0x3 << 0) | (0x3 << 3)) + #define PMX_SSP2_PL_90_91_VAL ((0x4 << 0) | (0x4 << 3)) + + #define PMX_PL_92_93_MASK (0x3F << 6) + #define PMX_CLCD_PL_92_93_VAL 0 + #define PMX_MII2_PL_92_93_VAL ((0x1 << 6) | (0x1 << 9)) + #define PMX_EMI1_PL_92_93_VAL ((0x2 << 6) | (0x2 << 9)) + #define PMX_UART4_PL_92_93_VAL ((0x3 << 6) | (0x3 << 9)) + #define PMX_SSP2_PL_92_93_VAL ((0x4 << 6) | (0x4 << 9)) + + #define PMX_PL_94_95_MASK (0x3F << 12) + #define PMX_CLCD_PL_94_95_VAL 0 + #define PMX_MII2_PL_94_95_VAL ((0x1 << 12) | (0x1 << 15)) + #define PMX_EMI1_PL_94_95_VAL ((0x2 << 12) | (0x2 << 15)) + #define PMX_UART3_PL_94_95_VAL ((0x3 << 12) | (0x3 << 15)) + #define PMX_SSP1_PL_94_95_VAL ((0x4 << 12) | (0x4 << 15)) + + #define PMX_PL_96_97_MASK (0x3F << 18) + #define PMX_CLCD_PL_96_97_VAL 0 + #define PMX_MII2_PL_96_97_VAL ((0x1 << 18) | (0x1 << 21)) + #define PMX_EMI1_PL_96_97_VAL ((0x2 << 18) | (0x2 << 21)) + #define PMX_I2C2_PL_96_97_VAL ((0x3 << 18) | (0x3 << 21)) + #define PMX_SSP1_PL_96_97_VAL ((0x4 << 18) | (0x4 << 21)) + + #define PMX_PL_98_MASK (0x7 << 24) + #define PMX_CLCD_PL_98_VAL 0 + #define PMX_I2C1_PL_98_VAL (0x2 << 24) + #define PMX_UART3_PL_98_VAL (0x4 << 24) + + #define PMX_PL_99_MASK (0x7 << 27) + #define PMX_SDHCI_PL_99_VAL 0 + #define PMX_I2C1_PL_99_VAL (0x2 << 27) + #define PMX_UART3_PL_99_VAL (0x4 << 27) + +#define IP_SEL_MIX_PAD_REG 0x00CC + #define PMX_PL_100_101_MASK (0x3F << 0) + #define PMX_SDHCI_PL_100_101_VAL 0 + #define PMX_UART4_PL_100_101_VAL ((0x4 << 0) | (0x4 << 3)) + + #define PMX_SSP1_PORT_SEL_MASK (0x7 << 8) + #define PMX_SSP1_PORT_94_TO_97_VAL 0 + #define PMX_SSP1_PORT_65_TO_68_VAL (0x1 << 8) + #define PMX_SSP1_PORT_48_TO_51_VAL (0x2 << 8) + #define PMX_SSP1_PORT_36_TO_39_VAL (0x3 << 8) + #define PMX_SSP1_PORT_17_TO_20_VAL (0x4 << 8) + + #define PMX_SSP2_PORT_SEL_MASK (0x7 << 11) + #define PMX_SSP2_PORT_90_TO_93_VAL 0 + #define PMX_SSP2_PORT_61_TO_64_VAL (0x1 << 11) + #define PMX_SSP2_PORT_44_TO_47_VAL (0x2 << 11) + #define PMX_SSP2_PORT_32_TO_35_VAL (0x3 << 11) + #define PMX_SSP2_PORT_13_TO_16_VAL (0x4 << 11) + + #define PMX_UART1_ENH_PORT_SEL_MASK (0x3 << 14) + #define PMX_UART1_ENH_PORT_81_TO_85_VAL 0 + #define PMX_UART1_ENH_PORT_44_45_34_36_VAL (0x1 << 14) + #define PMX_UART1_ENH_PORT_32_TO_34_36_VAL (0x2 << 14) + #define PMX_UART1_ENH_PORT_3_TO_5_7_VAL (0x3 << 14) + + #define PMX_UART3_PORT_SEL_MASK (0x7 << 16) + #define PMX_UART3_PORT_94_VAL 0 + #define PMX_UART3_PORT_73_VAL (0x1 << 16) + #define PMX_UART3_PORT_52_VAL (0x2 << 16) + #define PMX_UART3_PORT_41_VAL (0x3 << 16) + #define PMX_UART3_PORT_15_VAL (0x4 << 16) + #define PMX_UART3_PORT_8_VAL (0x5 << 16) + #define PMX_UART3_PORT_99_VAL (0x6 << 16) + + #define PMX_UART4_PORT_SEL_MASK (0x7 << 19) + #define PMX_UART4_PORT_92_VAL 0 + #define PMX_UART4_PORT_71_VAL (0x1 << 19) + #define PMX_UART4_PORT_39_VAL (0x2 << 19) + #define PMX_UART4_PORT_13_VAL (0x3 << 19) + #define PMX_UART4_PORT_6_VAL (0x4 << 19) + #define PMX_UART4_PORT_101_VAL (0x5 << 19) + + #define PMX_UART5_PORT_SEL_MASK (0x3 << 22) + #define PMX_UART5_PORT_90_VAL 0 + #define PMX_UART5_PORT_69_VAL (0x1 << 22) + #define PMX_UART5_PORT_37_VAL (0x2 << 22) + #define PMX_UART5_PORT_4_VAL (0x3 << 22) + + #define PMX_UART6_PORT_SEL_MASK (0x1 << 24) + #define PMX_UART6_PORT_88_VAL 0 + #define PMX_UART6_PORT_2_VAL (0x1 << 24) + + #define PMX_I2C1_PORT_SEL_MASK (0x1 << 25) + #define PMX_I2C1_PORT_8_9_VAL 0 + #define PMX_I2C1_PORT_98_99_VAL (0x1 << 25) + + #define PMX_I2C2_PORT_SEL_MASK (0x3 << 26) + #define PMX_I2C2_PORT_96_97_VAL 0 + #define PMX_I2C2_PORT_75_76_VAL (0x1 << 26) + #define PMX_I2C2_PORT_19_20_VAL (0x2 << 26) + #define PMX_I2C2_PORT_2_3_VAL (0x3 << 26) + #define PMX_I2C2_PORT_0_1_VAL (0x4 << 26) + + #define PMX_SDHCI_CD_PORT_SEL_MASK (0x1 << 29) + #define PMX_SDHCI_CD_PORT_12_VAL 0 + #define PMX_SDHCI_CD_PORT_51_VAL (0x1 << 29) + +/* Pad multiplexing for CLCD device */ +static const unsigned clcd_pins[] = { 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, + 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, + 97 }; +static struct spear_muxreg clcd_muxreg[] = { + { + .reg = IP_SEL_PAD_60_69_REG, + .mask = PMX_PL_69_MASK, + .val = PMX_CLCD_PL_69_VAL, + }, { + .reg = IP_SEL_PAD_70_79_REG, + .mask = PMX_PL_70_MASK | PMX_PL_71_72_MASK | PMX_PL_73_MASK | + PMX_PL_74_MASK | PMX_PL_75_76_MASK | + PMX_PL_77_78_79_MASK, + .val = PMX_CLCD_PL_70_VAL | PMX_CLCD_PL_71_72_VAL | + PMX_CLCD_PL_73_VAL | PMX_CLCD_PL_74_VAL | + PMX_CLCD_PL_75_76_VAL | PMX_CLCD_PL_77_78_79_VAL, + }, { + .reg = IP_SEL_PAD_80_89_REG, + .mask = PMX_PL_80_TO_85_MASK | PMX_PL_86_87_MASK | + PMX_PL_88_89_MASK, + .val = PMX_CLCD_PL_80_TO_85_VAL | PMX_CLCD_PL_86_87_VAL | + PMX_CLCD_PL_88_89_VAL, + }, { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_90_91_MASK | PMX_PL_92_93_MASK | + PMX_PL_94_95_MASK | PMX_PL_96_97_MASK | PMX_PL_98_MASK, + .val = PMX_CLCD_PL_90_91_VAL | PMX_CLCD_PL_92_93_VAL | + PMX_CLCD_PL_94_95_VAL | PMX_CLCD_PL_96_97_VAL | + PMX_CLCD_PL_98_VAL, + }, +}; + +static struct spear_modemux clcd_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = clcd_muxreg, + .nmuxregs = ARRAY_SIZE(clcd_muxreg), + }, +}; + +static struct spear_pingroup clcd_pingroup = { + .name = "clcd_grp", + .pins = clcd_pins, + .npins = ARRAY_SIZE(clcd_pins), + .modemuxs = clcd_modemux, + .nmodemuxs = ARRAY_SIZE(clcd_modemux), +}; + +static const char *const clcd_grps[] = { "clcd_grp" }; +static struct spear_function clcd_function = { + .name = "clcd", + .groups = clcd_grps, + .ngroups = ARRAY_SIZE(clcd_grps), +}; + +/* Pad multiplexing for EMI (Parallel NOR flash) device */ +static const unsigned emi_pins[] = { 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, + 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, + 93, 94, 95, 96, 97 }; +static struct spear_muxreg emi_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg emi_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_46_47_MASK | PMX_PL_48_49_MASK, + .val = PMX_FSMC_EMI_PL_46_47_VAL | PMX_FSMC_EMI_PL_48_49_VAL, + }, { + .reg = IP_SEL_PAD_50_59_REG, + .mask = PMX_PL_50_51_MASK | PMX_PL_52_53_MASK | + PMX_PL_54_55_56_MASK | PMX_PL_58_59_MASK, + .val = PMX_EMI_PL_50_51_VAL | PMX_EMI_PL_52_53_VAL | + PMX_FSMC_EMI_PL_54_55_56_VAL | + PMX_FSMC_EMI_PL_58_59_VAL, + }, { + .reg = IP_SEL_PAD_60_69_REG, + .mask = PMX_PL_69_MASK, + .val = PMX_EMI_PL_69_VAL, + }, { + .reg = IP_SEL_PAD_70_79_REG, + .mask = PMX_PL_70_MASK | PMX_PL_71_72_MASK | PMX_PL_73_MASK | + PMX_PL_74_MASK | PMX_PL_75_76_MASK | + PMX_PL_77_78_79_MASK, + .val = PMX_FSMC_EMI_PL_70_VAL | PMX_FSMC_EMI_PL_71_72_VAL | + PMX_FSMC_EMI_PL_73_VAL | PMX_EMI_PL_74_VAL | + PMX_EMI_PL_75_76_VAL | PMX_EMI_PL_77_78_79_VAL, + }, { + .reg = IP_SEL_PAD_80_89_REG, + .mask = PMX_PL_80_TO_85_MASK | PMX_PL_86_87_MASK | + PMX_PL_88_89_MASK, + .val = PMX_EMI_PL_80_TO_85_VAL | PMX_EMI_PL_86_87_VAL | + PMX_EMI_PL_88_89_VAL, + }, { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_90_91_MASK | PMX_PL_92_93_MASK | + PMX_PL_94_95_MASK | PMX_PL_96_97_MASK, + .val = PMX_EMI1_PL_90_91_VAL | PMX_EMI1_PL_92_93_VAL | + PMX_EMI1_PL_94_95_VAL | PMX_EMI1_PL_96_97_VAL, + }, { + .reg = EXT_CTRL_REG, + .mask = EMI_FSMC_DYNAMIC_MUX_MASK, + .val = EMI_FSMC_DYNAMIC_MUX_MASK, + }, +}; + +static struct spear_modemux emi_modemux[] = { + { + .modes = AUTO_EXP_MODE | EXTENDED_MODE, + .muxregs = emi_muxreg, + .nmuxregs = ARRAY_SIZE(emi_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = emi_ext_muxreg, + .nmuxregs = ARRAY_SIZE(emi_ext_muxreg), + }, +}; + +static struct spear_pingroup emi_pingroup = { + .name = "emi_grp", + .pins = emi_pins, + .npins = ARRAY_SIZE(emi_pins), + .modemuxs = emi_modemux, + .nmodemuxs = ARRAY_SIZE(emi_modemux), +}; + +static const char *const emi_grps[] = { "emi_grp" }; +static struct spear_function emi_function = { + .name = "emi", + .groups = emi_grps, + .ngroups = ARRAY_SIZE(emi_grps), +}; + +/* Pad multiplexing for FSMC (NAND flash) device */ +static const unsigned fsmc_8bit_pins[] = { 52, 53, 54, 55, 56, 57, 58, 59, 60, + 61, 62, 63, 64, 65, 66, 67, 68 }; +static struct spear_muxreg fsmc_8bit_muxreg[] = { + { + .reg = IP_SEL_PAD_50_59_REG, + .mask = PMX_PL_52_53_MASK | PMX_PL_54_55_56_MASK | + PMX_PL_57_MASK | PMX_PL_58_59_MASK, + .val = PMX_FSMC_PL_52_53_VAL | PMX_FSMC_EMI_PL_54_55_56_VAL | + PMX_FSMC_PL_57_VAL | PMX_FSMC_EMI_PL_58_59_VAL, + }, { + .reg = IP_SEL_PAD_60_69_REG, + .mask = PMX_PL_60_MASK | PMX_PL_61_TO_64_MASK | + PMX_PL_65_TO_68_MASK, + .val = PMX_FSMC_PL_60_VAL | PMX_FSMC_PL_61_TO_64_VAL | + PMX_FSMC_PL_65_TO_68_VAL, + }, { + .reg = EXT_CTRL_REG, + .mask = EMI_FSMC_DYNAMIC_MUX_MASK, + .val = EMI_FSMC_DYNAMIC_MUX_MASK, + }, +}; + +static struct spear_modemux fsmc_8bit_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = fsmc_8bit_muxreg, + .nmuxregs = ARRAY_SIZE(fsmc_8bit_muxreg), + }, +}; + +static struct spear_pingroup fsmc_8bit_pingroup = { + .name = "fsmc_8bit_grp", + .pins = fsmc_8bit_pins, + .npins = ARRAY_SIZE(fsmc_8bit_pins), + .modemuxs = fsmc_8bit_modemux, + .nmodemuxs = ARRAY_SIZE(fsmc_8bit_modemux), +}; + +static const unsigned fsmc_16bit_pins[] = { 46, 47, 48, 49, 52, 53, 54, 55, 56, + 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 71, 72, 73 }; +static struct spear_muxreg fsmc_16bit_autoexp_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg fsmc_16bit_muxreg[] = { + { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_46_47_MASK | PMX_PL_48_49_MASK, + .val = PMX_FSMC_EMI_PL_46_47_VAL | PMX_FSMC_EMI_PL_48_49_VAL, + }, { + .reg = IP_SEL_PAD_70_79_REG, + .mask = PMX_PL_70_MASK | PMX_PL_71_72_MASK | PMX_PL_73_MASK, + .val = PMX_FSMC_EMI_PL_70_VAL | PMX_FSMC_EMI_PL_71_72_VAL | + PMX_FSMC_EMI_PL_73_VAL, + } +}; + +static struct spear_modemux fsmc_16bit_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = fsmc_8bit_muxreg, + .nmuxregs = ARRAY_SIZE(fsmc_8bit_muxreg), + }, { + .modes = AUTO_EXP_MODE | EXTENDED_MODE, + .muxregs = fsmc_16bit_autoexp_muxreg, + .nmuxregs = ARRAY_SIZE(fsmc_16bit_autoexp_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = fsmc_16bit_muxreg, + .nmuxregs = ARRAY_SIZE(fsmc_16bit_muxreg), + }, +}; + +static struct spear_pingroup fsmc_16bit_pingroup = { + .name = "fsmc_16bit_grp", + .pins = fsmc_16bit_pins, + .npins = ARRAY_SIZE(fsmc_16bit_pins), + .modemuxs = fsmc_16bit_modemux, + .nmodemuxs = ARRAY_SIZE(fsmc_16bit_modemux), +}; + +static const char *const fsmc_grps[] = { "fsmc_8bit_grp", "fsmc_16bit_grp" }; +static struct spear_function fsmc_function = { + .name = "fsmc", + .groups = fsmc_grps, + .ngroups = ARRAY_SIZE(fsmc_grps), +}; + +/* Pad multiplexing for SPP device */ +static const unsigned spp_pins[] = { 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83, 84, 85 }; +static struct spear_muxreg spp_muxreg[] = { + { + .reg = IP_SEL_PAD_60_69_REG, + .mask = PMX_PL_69_MASK, + .val = PMX_SPP_PL_69_VAL, + }, { + .reg = IP_SEL_PAD_70_79_REG, + .mask = PMX_PL_70_MASK | PMX_PL_71_72_MASK | PMX_PL_73_MASK | + PMX_PL_74_MASK | PMX_PL_75_76_MASK | + PMX_PL_77_78_79_MASK, + .val = PMX_SPP_PL_70_VAL | PMX_SPP_PL_71_72_VAL | + PMX_SPP_PL_73_VAL | PMX_SPP_PL_74_VAL | + PMX_SPP_PL_75_76_VAL | PMX_SPP_PL_77_78_79_VAL, + }, { + .reg = IP_SEL_PAD_80_89_REG, + .mask = PMX_PL_80_TO_85_MASK, + .val = PMX_SPP_PL_80_TO_85_VAL, + }, +}; + +static struct spear_modemux spp_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = spp_muxreg, + .nmuxregs = ARRAY_SIZE(spp_muxreg), + }, +}; + +static struct spear_pingroup spp_pingroup = { + .name = "spp_grp", + .pins = spp_pins, + .npins = ARRAY_SIZE(spp_pins), + .modemuxs = spp_modemux, + .nmodemuxs = ARRAY_SIZE(spp_modemux), +}; + +static const char *const spp_grps[] = { "spp_grp" }; +static struct spear_function spp_function = { + .name = "spp", + .groups = spp_grps, + .ngroups = ARRAY_SIZE(spp_grps), +}; + +/* Pad multiplexing for SDHCI device */ +static const unsigned sdhci_led_pins[] = { 34 }; +static struct spear_muxreg sdhci_led_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_CS_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg sdhci_led_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_34_MASK, + .val = PMX_PWM2_PL_34_VAL, + }, +}; + +static struct spear_modemux sdhci_led_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | EXTENDED_MODE, + .muxregs = sdhci_led_muxreg, + .nmuxregs = ARRAY_SIZE(sdhci_led_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = sdhci_led_ext_muxreg, + .nmuxregs = ARRAY_SIZE(sdhci_led_ext_muxreg), + }, +}; + +static struct spear_pingroup sdhci_led_pingroup = { + .name = "sdhci_led_grp", + .pins = sdhci_led_pins, + .npins = ARRAY_SIZE(sdhci_led_pins), + .modemuxs = sdhci_led_modemux, + .nmodemuxs = ARRAY_SIZE(sdhci_led_modemux), +}; + +static const unsigned sdhci_cd_12_pins[] = { 12, 43, 44, 45, 46, 47, 48, 49, + 50}; +static const unsigned sdhci_cd_51_pins[] = { 43, 44, 45, 46, 47, 48, 49, 50, 51 +}; +static struct spear_muxreg sdhci_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg sdhci_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_43_MASK | PMX_PL_44_45_MASK | PMX_PL_46_47_MASK | + PMX_PL_48_49_MASK, + .val = PMX_SDHCI_PL_43_VAL | PMX_SDHCI_PL_44_45_VAL | + PMX_SDHCI_PL_46_47_VAL | PMX_SDHCI_PL_48_49_VAL, + }, { + .reg = IP_SEL_PAD_50_59_REG, + .mask = PMX_PL_50_MASK, + .val = PMX_SDHCI_PL_50_VAL, + }, { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_99_MASK, + .val = PMX_SDHCI_PL_99_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_PL_100_101_MASK, + .val = PMX_SDHCI_PL_100_101_VAL, + }, +}; + +static struct spear_muxreg sdhci_cd_12_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_12_MASK, + .val = PMX_SDHCI_CD_PL_12_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SDHCI_CD_PORT_SEL_MASK, + .val = PMX_SDHCI_CD_PORT_12_VAL, + }, +}; + +static struct spear_muxreg sdhci_cd_51_muxreg[] = { + { + .reg = IP_SEL_PAD_50_59_REG, + .mask = PMX_PL_51_MASK, + .val = PMX_SDHCI_CD_PL_51_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SDHCI_CD_PORT_SEL_MASK, + .val = PMX_SDHCI_CD_PORT_51_VAL, + }, +}; + +#define pmx_sdhci_common_modemux \ + { \ + .modes = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | \ + SMALL_PRINTERS_MODE | EXTENDED_MODE, \ + .muxregs = sdhci_muxreg, \ + .nmuxregs = ARRAY_SIZE(sdhci_muxreg), \ + }, { \ + .modes = EXTENDED_MODE, \ + .muxregs = sdhci_ext_muxreg, \ + .nmuxregs = ARRAY_SIZE(sdhci_ext_muxreg), \ + } + +static struct spear_modemux sdhci_modemux[][3] = { + { + /* select pin 12 for cd */ + pmx_sdhci_common_modemux, + { + .modes = EXTENDED_MODE, + .muxregs = sdhci_cd_12_muxreg, + .nmuxregs = ARRAY_SIZE(sdhci_cd_12_muxreg), + }, + }, { + /* select pin 51 for cd */ + pmx_sdhci_common_modemux, + { + .modes = EXTENDED_MODE, + .muxregs = sdhci_cd_51_muxreg, + .nmuxregs = ARRAY_SIZE(sdhci_cd_51_muxreg), + }, + } +}; + +static struct spear_pingroup sdhci_pingroup[] = { + { + .name = "sdhci_cd_12_grp", + .pins = sdhci_cd_12_pins, + .npins = ARRAY_SIZE(sdhci_cd_12_pins), + .modemuxs = sdhci_modemux[0], + .nmodemuxs = ARRAY_SIZE(sdhci_modemux[0]), + }, { + .name = "sdhci_cd_51_grp", + .pins = sdhci_cd_51_pins, + .npins = ARRAY_SIZE(sdhci_cd_51_pins), + .modemuxs = sdhci_modemux[1], + .nmodemuxs = ARRAY_SIZE(sdhci_modemux[1]), + }, +}; + +static const char *const sdhci_grps[] = { "sdhci_cd_12_grp", "sdhci_cd_51_grp", + "sdhci_led_grp" }; + +static struct spear_function sdhci_function = { + .name = "sdhci", + .groups = sdhci_grps, + .ngroups = ARRAY_SIZE(sdhci_grps), +}; + +/* Pad multiplexing for I2S device */ +static const unsigned i2s_pins[] = { 35, 39, 40, 41, 42 }; +static struct spear_muxreg i2s_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_CS_MASK, + .val = 0, + }, { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg i2s_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_35_MASK | PMX_PL_39_MASK, + .val = PMX_I2S_REF_CLK_PL_35_VAL | PMX_I2S_PL_39_VAL, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_40_MASK | PMX_PL_41_42_MASK, + .val = PMX_I2S_PL_40_VAL | PMX_I2S_PL_41_42_VAL, + }, +}; + +static struct spear_modemux i2s_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | EXTENDED_MODE, + .muxregs = i2s_muxreg, + .nmuxregs = ARRAY_SIZE(i2s_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = i2s_ext_muxreg, + .nmuxregs = ARRAY_SIZE(i2s_ext_muxreg), + }, +}; + +static struct spear_pingroup i2s_pingroup = { + .name = "i2s_grp", + .pins = i2s_pins, + .npins = ARRAY_SIZE(i2s_pins), + .modemuxs = i2s_modemux, + .nmodemuxs = ARRAY_SIZE(i2s_modemux), +}; + +static const char *const i2s_grps[] = { "i2s_grp" }; +static struct spear_function i2s_function = { + .name = "i2s", + .groups = i2s_grps, + .ngroups = ARRAY_SIZE(i2s_grps), +}; + +/* Pad multiplexing for UART1 device */ +static const unsigned uart1_pins[] = { 28, 29 }; +static struct spear_muxreg uart1_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg uart1_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_20_29_REG, + .mask = PMX_PL_28_29_MASK, + .val = PMX_UART1_PL_28_29_VAL, + }, +}; + +static struct spear_modemux uart1_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | AUTO_EXP_MODE + | SMALL_PRINTERS_MODE | EXTENDED_MODE, + .muxregs = uart1_muxreg, + .nmuxregs = ARRAY_SIZE(uart1_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = uart1_ext_muxreg, + .nmuxregs = ARRAY_SIZE(uart1_ext_muxreg), + }, +}; + +static struct spear_pingroup uart1_pingroup = { + .name = "uart1_grp", + .pins = uart1_pins, + .npins = ARRAY_SIZE(uart1_pins), + .modemuxs = uart1_modemux, + .nmodemuxs = ARRAY_SIZE(uart1_modemux), +}; + +static const char *const uart1_grps[] = { "uart1_grp" }; +static struct spear_function uart1_function = { + .name = "uart1", + .groups = uart1_grps, + .ngroups = ARRAY_SIZE(uart1_grps), +}; + +/* Pad multiplexing for UART1 Modem device */ +static const unsigned uart1_modem_2_to_7_pins[] = { 2, 3, 4, 5, 6, 7 }; +static const unsigned uart1_modem_31_to_36_pins[] = { 31, 32, 33, 34, 35, 36 }; +static const unsigned uart1_modem_34_to_45_pins[] = { 34, 35, 36, 43, 44, 45 }; +static const unsigned uart1_modem_80_to_85_pins[] = { 80, 81, 82, 83, 84, 85 }; + +static struct spear_muxreg uart1_modem_ext_2_to_7_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MASK | PMX_I2C_MASK | PMX_SSP_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_2_3_MASK | PMX_PL_6_7_MASK, + .val = PMX_UART1_ENH_PL_2_3_VAL | PMX_UART1_ENH_PL_4_5_VAL | + PMX_UART1_ENH_PL_6_7_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART1_ENH_PORT_SEL_MASK, + .val = PMX_UART1_ENH_PORT_3_TO_5_7_VAL, + }, +}; + +static struct spear_muxreg uart1_modem_31_to_36_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_GPIO_PIN3_MASK | PMX_GPIO_PIN4_MASK | + PMX_GPIO_PIN5_MASK | PMX_SSP_CS_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg uart1_modem_ext_31_to_36_muxreg[] = { + { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_31_MASK | PMX_PL_32_33_MASK | PMX_PL_34_MASK | + PMX_PL_35_MASK | PMX_PL_36_MASK, + .val = PMX_UART1_ENH_PL_31_VAL | PMX_UART1_ENH_PL_32_33_VAL | + PMX_UART1_ENH_PL_34_VAL | PMX_UART1_ENH_PL_35_VAL | + PMX_UART1_ENH_PL_36_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART1_ENH_PORT_SEL_MASK, + .val = PMX_UART1_ENH_PORT_32_TO_34_36_VAL, + }, +}; + +static struct spear_muxreg uart1_modem_34_to_45_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK | + PMX_SSP_CS_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg uart1_modem_ext_34_to_45_muxreg[] = { + { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_34_MASK | PMX_PL_35_MASK | PMX_PL_36_MASK, + .val = PMX_UART1_ENH_PL_34_VAL | PMX_UART1_ENH_PL_35_VAL | + PMX_UART1_ENH_PL_36_VAL, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_43_MASK | PMX_PL_44_45_MASK, + .val = PMX_UART1_ENH_PL_43_VAL | PMX_UART1_ENH_PL_44_45_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART1_ENH_PORT_SEL_MASK, + .val = PMX_UART1_ENH_PORT_44_45_34_36_VAL, + }, +}; + +static struct spear_muxreg uart1_modem_ext_80_to_85_muxreg[] = { + { + .reg = IP_SEL_PAD_80_89_REG, + .mask = PMX_PL_80_TO_85_MASK, + .val = PMX_UART1_ENH_PL_80_TO_85_VAL, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_43_MASK | PMX_PL_44_45_MASK, + .val = PMX_UART1_ENH_PL_43_VAL | PMX_UART1_ENH_PL_44_45_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART1_ENH_PORT_SEL_MASK, + .val = PMX_UART1_ENH_PORT_81_TO_85_VAL, + }, +}; + +static struct spear_modemux uart1_modem_2_to_7_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = uart1_modem_ext_2_to_7_muxreg, + .nmuxregs = ARRAY_SIZE(uart1_modem_ext_2_to_7_muxreg), + }, +}; + +static struct spear_modemux uart1_modem_31_to_36_modemux[] = { + { + .modes = SMALL_PRINTERS_MODE | EXTENDED_MODE, + .muxregs = uart1_modem_31_to_36_muxreg, + .nmuxregs = ARRAY_SIZE(uart1_modem_31_to_36_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = uart1_modem_ext_31_to_36_muxreg, + .nmuxregs = ARRAY_SIZE(uart1_modem_ext_31_to_36_muxreg), + }, +}; + +static struct spear_modemux uart1_modem_34_to_45_modemux[] = { + { + .modes = AUTO_EXP_MODE | EXTENDED_MODE, + .muxregs = uart1_modem_34_to_45_muxreg, + .nmuxregs = ARRAY_SIZE(uart1_modem_34_to_45_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = uart1_modem_ext_34_to_45_muxreg, + .nmuxregs = ARRAY_SIZE(uart1_modem_ext_34_to_45_muxreg), + }, +}; + +static struct spear_modemux uart1_modem_80_to_85_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = uart1_modem_ext_80_to_85_muxreg, + .nmuxregs = ARRAY_SIZE(uart1_modem_ext_80_to_85_muxreg), + }, +}; + +static struct spear_pingroup uart1_modem_pingroup[] = { + { + .name = "uart1_modem_2_to_7_grp", + .pins = uart1_modem_2_to_7_pins, + .npins = ARRAY_SIZE(uart1_modem_2_to_7_pins), + .modemuxs = uart1_modem_2_to_7_modemux, + .nmodemuxs = ARRAY_SIZE(uart1_modem_2_to_7_modemux), + }, { + .name = "uart1_modem_31_to_36_grp", + .pins = uart1_modem_31_to_36_pins, + .npins = ARRAY_SIZE(uart1_modem_31_to_36_pins), + .modemuxs = uart1_modem_31_to_36_modemux, + .nmodemuxs = ARRAY_SIZE(uart1_modem_31_to_36_modemux), + }, { + .name = "uart1_modem_34_to_45_grp", + .pins = uart1_modem_34_to_45_pins, + .npins = ARRAY_SIZE(uart1_modem_34_to_45_pins), + .modemuxs = uart1_modem_34_to_45_modemux, + .nmodemuxs = ARRAY_SIZE(uart1_modem_34_to_45_modemux), + }, { + .name = "uart1_modem_80_to_85_grp", + .pins = uart1_modem_80_to_85_pins, + .npins = ARRAY_SIZE(uart1_modem_80_to_85_pins), + .modemuxs = uart1_modem_80_to_85_modemux, + .nmodemuxs = ARRAY_SIZE(uart1_modem_80_to_85_modemux), + }, +}; + +static const char *const uart1_modem_grps[] = { "uart1_modem_2_to_7_grp", + "uart1_modem_31_to_36_grp", "uart1_modem_34_to_45_grp", + "uart1_modem_80_to_85_grp" }; +static struct spear_function uart1_modem_function = { + .name = "uart1_modem", + .groups = uart1_modem_grps, + .ngroups = ARRAY_SIZE(uart1_modem_grps), +}; + +/* Pad multiplexing for UART2 device */ +static const unsigned uart2_pins[] = { 0, 1 }; +static struct spear_muxreg uart2_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_FIRDA_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg uart2_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_0_1_MASK, + .val = PMX_UART2_PL_0_1_VAL, + }, +}; + +static struct spear_modemux uart2_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | AUTO_EXP_MODE + | SMALL_PRINTERS_MODE | EXTENDED_MODE, + .muxregs = uart2_muxreg, + .nmuxregs = ARRAY_SIZE(uart2_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = uart2_ext_muxreg, + .nmuxregs = ARRAY_SIZE(uart2_ext_muxreg), + }, +}; + +static struct spear_pingroup uart2_pingroup = { + .name = "uart2_grp", + .pins = uart2_pins, + .npins = ARRAY_SIZE(uart2_pins), + .modemuxs = uart2_modemux, + .nmodemuxs = ARRAY_SIZE(uart2_modemux), +}; + +static const char *const uart2_grps[] = { "uart2_grp" }; +static struct spear_function uart2_function = { + .name = "uart2", + .groups = uart2_grps, + .ngroups = ARRAY_SIZE(uart2_grps), +}; + +/* Pad multiplexing for uart3 device */ +static const unsigned uart3_pins[][2] = { { 8, 9 }, { 15, 16 }, { 41, 42 }, + { 52, 53 }, { 73, 74 }, { 94, 95 }, { 98, 99 } }; + +static struct spear_muxreg uart3_ext_8_9_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_8_9_MASK, + .val = PMX_UART3_PL_8_9_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART3_PORT_SEL_MASK, + .val = PMX_UART3_PORT_8_VAL, + }, +}; + +static struct spear_muxreg uart3_ext_15_16_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_15_16_MASK, + .val = PMX_UART3_PL_15_16_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART3_PORT_SEL_MASK, + .val = PMX_UART3_PORT_15_VAL, + }, +}; + +static struct spear_muxreg uart3_ext_41_42_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_41_42_MASK, + .val = PMX_UART3_PL_41_42_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART3_PORT_SEL_MASK, + .val = PMX_UART3_PORT_41_VAL, + }, +}; + +static struct spear_muxreg uart3_ext_52_53_muxreg[] = { + { + .reg = IP_SEL_PAD_50_59_REG, + .mask = PMX_PL_52_53_MASK, + .val = PMX_UART3_PL_52_53_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART3_PORT_SEL_MASK, + .val = PMX_UART3_PORT_52_VAL, + }, +}; + +static struct spear_muxreg uart3_ext_73_74_muxreg[] = { + { + .reg = IP_SEL_PAD_70_79_REG, + .mask = PMX_PL_73_MASK | PMX_PL_74_MASK, + .val = PMX_UART3_PL_73_VAL | PMX_UART3_PL_74_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART3_PORT_SEL_MASK, + .val = PMX_UART3_PORT_73_VAL, + }, +}; + +static struct spear_muxreg uart3_ext_94_95_muxreg[] = { + { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_94_95_MASK, + .val = PMX_UART3_PL_94_95_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART3_PORT_SEL_MASK, + .val = PMX_UART3_PORT_94_VAL, + }, +}; + +static struct spear_muxreg uart3_ext_98_99_muxreg[] = { + { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_98_MASK | PMX_PL_99_MASK, + .val = PMX_UART3_PL_98_VAL | PMX_UART3_PL_99_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART3_PORT_SEL_MASK, + .val = PMX_UART3_PORT_99_VAL, + }, +}; + +static struct spear_modemux uart3_modemux[][1] = { + { + /* Select signals on pins 8_9 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart3_ext_8_9_muxreg, + .nmuxregs = ARRAY_SIZE(uart3_ext_8_9_muxreg), + }, + }, { + /* Select signals on pins 15_16 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart3_ext_15_16_muxreg, + .nmuxregs = ARRAY_SIZE(uart3_ext_15_16_muxreg), + }, + }, { + /* Select signals on pins 41_42 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart3_ext_41_42_muxreg, + .nmuxregs = ARRAY_SIZE(uart3_ext_41_42_muxreg), + }, + }, { + /* Select signals on pins 52_53 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart3_ext_52_53_muxreg, + .nmuxregs = ARRAY_SIZE(uart3_ext_52_53_muxreg), + }, + }, { + /* Select signals on pins 73_74 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart3_ext_73_74_muxreg, + .nmuxregs = ARRAY_SIZE(uart3_ext_73_74_muxreg), + }, + }, { + /* Select signals on pins 94_95 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart3_ext_94_95_muxreg, + .nmuxregs = ARRAY_SIZE(uart3_ext_94_95_muxreg), + }, + }, { + /* Select signals on pins 98_99 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart3_ext_98_99_muxreg, + .nmuxregs = ARRAY_SIZE(uart3_ext_98_99_muxreg), + }, + }, +}; + +static struct spear_pingroup uart3_pingroup[] = { + { + .name = "uart3_8_9_grp", + .pins = uart3_pins[0], + .npins = ARRAY_SIZE(uart3_pins[0]), + .modemuxs = uart3_modemux[0], + .nmodemuxs = ARRAY_SIZE(uart3_modemux[0]), + }, { + .name = "uart3_15_16_grp", + .pins = uart3_pins[1], + .npins = ARRAY_SIZE(uart3_pins[1]), + .modemuxs = uart3_modemux[1], + .nmodemuxs = ARRAY_SIZE(uart3_modemux[1]), + }, { + .name = "uart3_41_42_grp", + .pins = uart3_pins[2], + .npins = ARRAY_SIZE(uart3_pins[2]), + .modemuxs = uart3_modemux[2], + .nmodemuxs = ARRAY_SIZE(uart3_modemux[2]), + }, { + .name = "uart3_52_53_grp", + .pins = uart3_pins[3], + .npins = ARRAY_SIZE(uart3_pins[3]), + .modemuxs = uart3_modemux[3], + .nmodemuxs = ARRAY_SIZE(uart3_modemux[3]), + }, { + .name = "uart3_73_74_grp", + .pins = uart3_pins[4], + .npins = ARRAY_SIZE(uart3_pins[4]), + .modemuxs = uart3_modemux[4], + .nmodemuxs = ARRAY_SIZE(uart3_modemux[4]), + }, { + .name = "uart3_94_95_grp", + .pins = uart3_pins[5], + .npins = ARRAY_SIZE(uart3_pins[5]), + .modemuxs = uart3_modemux[5], + .nmodemuxs = ARRAY_SIZE(uart3_modemux[5]), + }, { + .name = "uart3_98_99_grp", + .pins = uart3_pins[6], + .npins = ARRAY_SIZE(uart3_pins[6]), + .modemuxs = uart3_modemux[6], + .nmodemuxs = ARRAY_SIZE(uart3_modemux[6]), + }, +}; + +static const char *const uart3_grps[] = { "uart3_8_9_grp", "uart3_15_16_grp", + "uart3_41_42_grp", "uart3_52_53_grp", "uart3_73_74_grp", + "uart3_94_95_grp", "uart3_98_99_grp" }; + +static struct spear_function uart3_function = { + .name = "uart3", + .groups = uart3_grps, + .ngroups = ARRAY_SIZE(uart3_grps), +}; + +/* Pad multiplexing for uart4 device */ +static const unsigned uart4_pins[][2] = { { 6, 7 }, { 13, 14 }, { 39, 40 }, + { 71, 72 }, { 92, 93 }, { 100, 101 } }; + +static struct spear_muxreg uart4_ext_6_7_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_6_7_MASK, + .val = PMX_UART4_PL_6_7_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART4_PORT_SEL_MASK, + .val = PMX_UART4_PORT_6_VAL, + }, +}; + +static struct spear_muxreg uart4_ext_13_14_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_13_14_MASK, + .val = PMX_UART4_PL_13_14_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART4_PORT_SEL_MASK, + .val = PMX_UART4_PORT_13_VAL, + }, +}; + +static struct spear_muxreg uart4_ext_39_40_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_39_MASK, + .val = PMX_UART4_PL_39_VAL, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_40_MASK, + .val = PMX_UART4_PL_40_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART4_PORT_SEL_MASK, + .val = PMX_UART4_PORT_39_VAL, + }, +}; + +static struct spear_muxreg uart4_ext_71_72_muxreg[] = { + { + .reg = IP_SEL_PAD_70_79_REG, + .mask = PMX_PL_71_72_MASK, + .val = PMX_UART4_PL_71_72_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART4_PORT_SEL_MASK, + .val = PMX_UART4_PORT_71_VAL, + }, +}; + +static struct spear_muxreg uart4_ext_92_93_muxreg[] = { + { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_92_93_MASK, + .val = PMX_UART4_PL_92_93_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART4_PORT_SEL_MASK, + .val = PMX_UART4_PORT_92_VAL, + }, +}; + +static struct spear_muxreg uart4_ext_100_101_muxreg[] = { + { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_PL_100_101_MASK | + PMX_UART4_PORT_SEL_MASK, + .val = PMX_UART4_PL_100_101_VAL | + PMX_UART4_PORT_101_VAL, + }, +}; + +static struct spear_modemux uart4_modemux[][1] = { + { + /* Select signals on pins 6_7 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart4_ext_6_7_muxreg, + .nmuxregs = ARRAY_SIZE(uart4_ext_6_7_muxreg), + }, + }, { + /* Select signals on pins 13_14 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart4_ext_13_14_muxreg, + .nmuxregs = ARRAY_SIZE(uart4_ext_13_14_muxreg), + }, + }, { + /* Select signals on pins 39_40 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart4_ext_39_40_muxreg, + .nmuxregs = ARRAY_SIZE(uart4_ext_39_40_muxreg), + }, + }, { + /* Select signals on pins 71_72 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart4_ext_71_72_muxreg, + .nmuxregs = ARRAY_SIZE(uart4_ext_71_72_muxreg), + }, + }, { + /* Select signals on pins 92_93 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart4_ext_92_93_muxreg, + .nmuxregs = ARRAY_SIZE(uart4_ext_92_93_muxreg), + }, + }, { + /* Select signals on pins 100_101_ */ + { + .modes = EXTENDED_MODE, + .muxregs = uart4_ext_100_101_muxreg, + .nmuxregs = ARRAY_SIZE(uart4_ext_100_101_muxreg), + }, + }, +}; + +static struct spear_pingroup uart4_pingroup[] = { + { + .name = "uart4_6_7_grp", + .pins = uart4_pins[0], + .npins = ARRAY_SIZE(uart4_pins[0]), + .modemuxs = uart4_modemux[0], + .nmodemuxs = ARRAY_SIZE(uart4_modemux[0]), + }, { + .name = "uart4_13_14_grp", + .pins = uart4_pins[1], + .npins = ARRAY_SIZE(uart4_pins[1]), + .modemuxs = uart4_modemux[1], + .nmodemuxs = ARRAY_SIZE(uart4_modemux[1]), + }, { + .name = "uart4_39_40_grp", + .pins = uart4_pins[2], + .npins = ARRAY_SIZE(uart4_pins[2]), + .modemuxs = uart4_modemux[2], + .nmodemuxs = ARRAY_SIZE(uart4_modemux[2]), + }, { + .name = "uart4_71_72_grp", + .pins = uart4_pins[3], + .npins = ARRAY_SIZE(uart4_pins[3]), + .modemuxs = uart4_modemux[3], + .nmodemuxs = ARRAY_SIZE(uart4_modemux[3]), + }, { + .name = "uart4_92_93_grp", + .pins = uart4_pins[4], + .npins = ARRAY_SIZE(uart4_pins[4]), + .modemuxs = uart4_modemux[4], + .nmodemuxs = ARRAY_SIZE(uart4_modemux[4]), + }, { + .name = "uart4_100_101_grp", + .pins = uart4_pins[5], + .npins = ARRAY_SIZE(uart4_pins[5]), + .modemuxs = uart4_modemux[5], + .nmodemuxs = ARRAY_SIZE(uart4_modemux[5]), + }, +}; + +static const char *const uart4_grps[] = { "uart4_6_7_grp", "uart4_13_14_grp", + "uart4_39_40_grp", "uart4_71_72_grp", "uart4_92_93_grp", + "uart4_100_101_grp" }; + +static struct spear_function uart4_function = { + .name = "uart4", + .groups = uart4_grps, + .ngroups = ARRAY_SIZE(uart4_grps), +}; + +/* Pad multiplexing for uart5 device */ +static const unsigned uart5_pins[][2] = { { 4, 5 }, { 37, 38 }, { 69, 70 }, + { 90, 91 } }; + +static struct spear_muxreg uart5_ext_4_5_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_I2C_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_4_5_MASK, + .val = PMX_UART5_PL_4_5_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART5_PORT_SEL_MASK, + .val = PMX_UART5_PORT_4_VAL, + }, +}; + +static struct spear_muxreg uart5_ext_37_38_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_37_38_MASK, + .val = PMX_UART5_PL_37_38_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART5_PORT_SEL_MASK, + .val = PMX_UART5_PORT_37_VAL, + }, +}; + +static struct spear_muxreg uart5_ext_69_70_muxreg[] = { + { + .reg = IP_SEL_PAD_60_69_REG, + .mask = PMX_PL_69_MASK, + .val = PMX_UART5_PL_69_VAL, + }, { + .reg = IP_SEL_PAD_70_79_REG, + .mask = PMX_PL_70_MASK, + .val = PMX_UART5_PL_70_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART5_PORT_SEL_MASK, + .val = PMX_UART5_PORT_69_VAL, + }, +}; + +static struct spear_muxreg uart5_ext_90_91_muxreg[] = { + { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_90_91_MASK, + .val = PMX_UART5_PL_90_91_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART5_PORT_SEL_MASK, + .val = PMX_UART5_PORT_90_VAL, + }, +}; + +static struct spear_modemux uart5_modemux[][1] = { + { + /* Select signals on pins 4_5 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart5_ext_4_5_muxreg, + .nmuxregs = ARRAY_SIZE(uart5_ext_4_5_muxreg), + }, + }, { + /* Select signals on pins 37_38 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart5_ext_37_38_muxreg, + .nmuxregs = ARRAY_SIZE(uart5_ext_37_38_muxreg), + }, + }, { + /* Select signals on pins 69_70 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart5_ext_69_70_muxreg, + .nmuxregs = ARRAY_SIZE(uart5_ext_69_70_muxreg), + }, + }, { + /* Select signals on pins 90_91 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart5_ext_90_91_muxreg, + .nmuxregs = ARRAY_SIZE(uart5_ext_90_91_muxreg), + }, + }, +}; + +static struct spear_pingroup uart5_pingroup[] = { + { + .name = "uart5_4_5_grp", + .pins = uart5_pins[0], + .npins = ARRAY_SIZE(uart5_pins[0]), + .modemuxs = uart5_modemux[0], + .nmodemuxs = ARRAY_SIZE(uart5_modemux[0]), + }, { + .name = "uart5_37_38_grp", + .pins = uart5_pins[1], + .npins = ARRAY_SIZE(uart5_pins[1]), + .modemuxs = uart5_modemux[1], + .nmodemuxs = ARRAY_SIZE(uart5_modemux[1]), + }, { + .name = "uart5_69_70_grp", + .pins = uart5_pins[2], + .npins = ARRAY_SIZE(uart5_pins[2]), + .modemuxs = uart5_modemux[2], + .nmodemuxs = ARRAY_SIZE(uart5_modemux[2]), + }, { + .name = "uart5_90_91_grp", + .pins = uart5_pins[3], + .npins = ARRAY_SIZE(uart5_pins[3]), + .modemuxs = uart5_modemux[3], + .nmodemuxs = ARRAY_SIZE(uart5_modemux[3]), + }, +}; + +static const char *const uart5_grps[] = { "uart5_4_5_grp", "uart5_37_38_grp", + "uart5_69_70_grp", "uart5_90_91_grp" }; +static struct spear_function uart5_function = { + .name = "uart5", + .groups = uart5_grps, + .ngroups = ARRAY_SIZE(uart5_grps), +}; + +/* Pad multiplexing for uart6 device */ +static const unsigned uart6_pins[][2] = { { 2, 3 }, { 88, 89 } }; +static struct spear_muxreg uart6_ext_2_3_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_2_3_MASK, + .val = PMX_UART6_PL_2_3_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART6_PORT_SEL_MASK, + .val = PMX_UART6_PORT_2_VAL, + }, +}; + +static struct spear_muxreg uart6_ext_88_89_muxreg[] = { + { + .reg = IP_SEL_PAD_80_89_REG, + .mask = PMX_PL_88_89_MASK, + .val = PMX_UART6_PL_88_89_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_UART6_PORT_SEL_MASK, + .val = PMX_UART6_PORT_88_VAL, + }, +}; + +static struct spear_modemux uart6_modemux[][1] = { + { + /* Select signals on pins 2_3 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart6_ext_2_3_muxreg, + .nmuxregs = ARRAY_SIZE(uart6_ext_2_3_muxreg), + }, + }, { + /* Select signals on pins 88_89 */ + { + .modes = EXTENDED_MODE, + .muxregs = uart6_ext_88_89_muxreg, + .nmuxregs = ARRAY_SIZE(uart6_ext_88_89_muxreg), + }, + }, +}; + +static struct spear_pingroup uart6_pingroup[] = { + { + .name = "uart6_2_3_grp", + .pins = uart6_pins[0], + .npins = ARRAY_SIZE(uart6_pins[0]), + .modemuxs = uart6_modemux[0], + .nmodemuxs = ARRAY_SIZE(uart6_modemux[0]), + }, { + .name = "uart6_88_89_grp", + .pins = uart6_pins[1], + .npins = ARRAY_SIZE(uart6_pins[1]), + .modemuxs = uart6_modemux[1], + .nmodemuxs = ARRAY_SIZE(uart6_modemux[1]), + }, +}; + +static const char *const uart6_grps[] = { "uart6_2_3_grp", "uart6_88_89_grp" }; +static struct spear_function uart6_function = { + .name = "uart6", + .groups = uart6_grps, + .ngroups = ARRAY_SIZE(uart6_grps), +}; + +/* UART - RS485 pmx */ +static const unsigned rs485_pins[] = { 77, 78, 79 }; +static struct spear_muxreg rs485_muxreg[] = { + { + .reg = IP_SEL_PAD_70_79_REG, + .mask = PMX_PL_77_78_79_MASK, + .val = PMX_RS485_PL_77_78_79_VAL, + }, +}; + +static struct spear_modemux rs485_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = rs485_muxreg, + .nmuxregs = ARRAY_SIZE(rs485_muxreg), + }, +}; + +static struct spear_pingroup rs485_pingroup = { + .name = "rs485_grp", + .pins = rs485_pins, + .npins = ARRAY_SIZE(rs485_pins), + .modemuxs = rs485_modemux, + .nmodemuxs = ARRAY_SIZE(rs485_modemux), +}; + +static const char *const rs485_grps[] = { "rs485_grp" }; +static struct spear_function rs485_function = { + .name = "rs485", + .groups = rs485_grps, + .ngroups = ARRAY_SIZE(rs485_grps), +}; + +/* Pad multiplexing for Touchscreen device */ +static const unsigned touchscreen_pins[] = { 5, 36 }; +static struct spear_muxreg touchscreen_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_I2C_MASK | PMX_SSP_CS_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg touchscreen_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_5_MASK, + .val = PMX_TOUCH_Y_PL_5_VAL, + }, { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_36_MASK, + .val = PMX_TOUCH_X_PL_36_VAL, + }, +}; + +static struct spear_modemux touchscreen_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | EXTENDED_MODE, + .muxregs = touchscreen_muxreg, + .nmuxregs = ARRAY_SIZE(touchscreen_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = touchscreen_ext_muxreg, + .nmuxregs = ARRAY_SIZE(touchscreen_ext_muxreg), + }, +}; + +static struct spear_pingroup touchscreen_pingroup = { + .name = "touchscreen_grp", + .pins = touchscreen_pins, + .npins = ARRAY_SIZE(touchscreen_pins), + .modemuxs = touchscreen_modemux, + .nmodemuxs = ARRAY_SIZE(touchscreen_modemux), +}; + +static const char *const touchscreen_grps[] = { "touchscreen_grp" }; +static struct spear_function touchscreen_function = { + .name = "touchscreen", + .groups = touchscreen_grps, + .ngroups = ARRAY_SIZE(touchscreen_grps), +}; + +/* Pad multiplexing for CAN device */ +static const unsigned can0_pins[] = { 32, 33 }; +static struct spear_muxreg can0_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg can0_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_32_33_MASK, + .val = PMX_CAN0_PL_32_33_VAL, + }, +}; + +static struct spear_modemux can0_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | AUTO_EXP_MODE + | EXTENDED_MODE, + .muxregs = can0_muxreg, + .nmuxregs = ARRAY_SIZE(can0_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = can0_ext_muxreg, + .nmuxregs = ARRAY_SIZE(can0_ext_muxreg), + }, +}; + +static struct spear_pingroup can0_pingroup = { + .name = "can0_grp", + .pins = can0_pins, + .npins = ARRAY_SIZE(can0_pins), + .modemuxs = can0_modemux, + .nmodemuxs = ARRAY_SIZE(can0_modemux), +}; + +static const char *const can0_grps[] = { "can0_grp" }; +static struct spear_function can0_function = { + .name = "can0", + .groups = can0_grps, + .ngroups = ARRAY_SIZE(can0_grps), +}; + +static const unsigned can1_pins[] = { 30, 31 }; +static struct spear_muxreg can1_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg can1_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_30_31_MASK, + .val = PMX_CAN1_PL_30_31_VAL, + }, +}; + +static struct spear_modemux can1_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | AUTO_EXP_MODE + | EXTENDED_MODE, + .muxregs = can1_muxreg, + .nmuxregs = ARRAY_SIZE(can1_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = can1_ext_muxreg, + .nmuxregs = ARRAY_SIZE(can1_ext_muxreg), + }, +}; + +static struct spear_pingroup can1_pingroup = { + .name = "can1_grp", + .pins = can1_pins, + .npins = ARRAY_SIZE(can1_pins), + .modemuxs = can1_modemux, + .nmodemuxs = ARRAY_SIZE(can1_modemux), +}; + +static const char *const can1_grps[] = { "can1_grp" }; +static struct spear_function can1_function = { + .name = "can1", + .groups = can1_grps, + .ngroups = ARRAY_SIZE(can1_grps), +}; + +/* Pad multiplexing for PWM0_1 device */ +static const unsigned pwm0_1_pins[][2] = { { 37, 38 }, { 14, 15 }, { 8, 9 }, + { 30, 31 }, { 42, 43 }, { 59, 60 }, { 88, 89 } }; + +static struct spear_muxreg pwm0_1_pin_8_9_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_8_9_MASK, + .val = PMX_PWM_0_1_PL_8_9_VAL, + }, +}; + +static struct spear_muxreg pwm0_1_autoexpsmallpri_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg pwm0_1_pin_14_15_muxreg[] = { + { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_14_MASK | PMX_PL_15_MASK, + .val = PMX_PWM1_PL_14_VAL | PMX_PWM0_PL_15_VAL, + }, +}; + +static struct spear_muxreg pwm0_1_pin_30_31_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_30_MASK | PMX_PL_31_MASK, + .val = PMX_PWM1_EXT_PL_30_VAL | PMX_PWM0_EXT_PL_31_VAL, + }, +}; + +static struct spear_muxreg pwm0_1_net_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg pwm0_1_pin_37_38_muxreg[] = { + { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_37_38_MASK, + .val = PMX_PWM0_1_PL_37_38_VAL, + }, +}; + +static struct spear_muxreg pwm0_1_pin_42_43_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK | PMX_TIMER_0_1_MASK , + .val = 0, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_42_MASK | PMX_PL_43_MASK, + .val = PMX_PWM1_PL_42_VAL | + PMX_PWM0_PL_43_VAL, + }, +}; + +static struct spear_muxreg pwm0_1_pin_59_60_muxreg[] = { + { + .reg = IP_SEL_PAD_50_59_REG, + .mask = PMX_PL_59_MASK, + .val = PMX_PWM1_PL_59_VAL, + }, { + .reg = IP_SEL_PAD_60_69_REG, + .mask = PMX_PL_60_MASK, + .val = PMX_PWM0_PL_60_VAL, + }, +}; + +static struct spear_muxreg pwm0_1_pin_88_89_muxreg[] = { + { + .reg = IP_SEL_PAD_80_89_REG, + .mask = PMX_PL_88_89_MASK, + .val = PMX_PWM0_1_PL_88_89_VAL, + }, +}; + +static struct spear_modemux pwm0_1_pin_8_9_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm0_1_pin_8_9_muxreg, + .nmuxregs = ARRAY_SIZE(pwm0_1_pin_8_9_muxreg), + }, +}; + +static struct spear_modemux pwm0_1_pin_14_15_modemux[] = { + { + .modes = AUTO_EXP_MODE | SMALL_PRINTERS_MODE | EXTENDED_MODE, + .muxregs = pwm0_1_autoexpsmallpri_muxreg, + .nmuxregs = ARRAY_SIZE(pwm0_1_autoexpsmallpri_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = pwm0_1_pin_14_15_muxreg, + .nmuxregs = ARRAY_SIZE(pwm0_1_pin_14_15_muxreg), + }, +}; + +static struct spear_modemux pwm0_1_pin_30_31_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm0_1_pin_30_31_muxreg, + .nmuxregs = ARRAY_SIZE(pwm0_1_pin_30_31_muxreg), + }, +}; + +static struct spear_modemux pwm0_1_pin_37_38_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | EXTENDED_MODE, + .muxregs = pwm0_1_net_muxreg, + .nmuxregs = ARRAY_SIZE(pwm0_1_net_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = pwm0_1_pin_37_38_muxreg, + .nmuxregs = ARRAY_SIZE(pwm0_1_pin_37_38_muxreg), + }, +}; + +static struct spear_modemux pwm0_1_pin_42_43_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm0_1_pin_42_43_muxreg, + .nmuxregs = ARRAY_SIZE(pwm0_1_pin_42_43_muxreg), + }, +}; + +static struct spear_modemux pwm0_1_pin_59_60_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm0_1_pin_59_60_muxreg, + .nmuxregs = ARRAY_SIZE(pwm0_1_pin_59_60_muxreg), + }, +}; + +static struct spear_modemux pwm0_1_pin_88_89_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm0_1_pin_88_89_muxreg, + .nmuxregs = ARRAY_SIZE(pwm0_1_pin_88_89_muxreg), + }, +}; + +static struct spear_pingroup pwm0_1_pingroup[] = { + { + .name = "pwm0_1_pin_8_9_grp", + .pins = pwm0_1_pins[0], + .npins = ARRAY_SIZE(pwm0_1_pins[0]), + .modemuxs = pwm0_1_pin_8_9_modemux, + .nmodemuxs = ARRAY_SIZE(pwm0_1_pin_8_9_modemux), + }, { + .name = "pwm0_1_pin_14_15_grp", + .pins = pwm0_1_pins[1], + .npins = ARRAY_SIZE(pwm0_1_pins[1]), + .modemuxs = pwm0_1_pin_14_15_modemux, + .nmodemuxs = ARRAY_SIZE(pwm0_1_pin_14_15_modemux), + }, { + .name = "pwm0_1_pin_30_31_grp", + .pins = pwm0_1_pins[2], + .npins = ARRAY_SIZE(pwm0_1_pins[2]), + .modemuxs = pwm0_1_pin_30_31_modemux, + .nmodemuxs = ARRAY_SIZE(pwm0_1_pin_30_31_modemux), + }, { + .name = "pwm0_1_pin_37_38_grp", + .pins = pwm0_1_pins[3], + .npins = ARRAY_SIZE(pwm0_1_pins[3]), + .modemuxs = pwm0_1_pin_37_38_modemux, + .nmodemuxs = ARRAY_SIZE(pwm0_1_pin_37_38_modemux), + }, { + .name = "pwm0_1_pin_42_43_grp", + .pins = pwm0_1_pins[4], + .npins = ARRAY_SIZE(pwm0_1_pins[4]), + .modemuxs = pwm0_1_pin_42_43_modemux, + .nmodemuxs = ARRAY_SIZE(pwm0_1_pin_42_43_modemux), + }, { + .name = "pwm0_1_pin_59_60_grp", + .pins = pwm0_1_pins[5], + .npins = ARRAY_SIZE(pwm0_1_pins[5]), + .modemuxs = pwm0_1_pin_59_60_modemux, + .nmodemuxs = ARRAY_SIZE(pwm0_1_pin_59_60_modemux), + }, { + .name = "pwm0_1_pin_88_89_grp", + .pins = pwm0_1_pins[6], + .npins = ARRAY_SIZE(pwm0_1_pins[6]), + .modemuxs = pwm0_1_pin_88_89_modemux, + .nmodemuxs = ARRAY_SIZE(pwm0_1_pin_88_89_modemux), + }, +}; + +static const char *const pwm0_1_grps[] = { "pwm0_1_pin_8_9_grp", + "pwm0_1_pin_14_15_grp", "pwm0_1_pin_30_31_grp", "pwm0_1_pin_37_38_grp", + "pwm0_1_pin_42_43_grp", "pwm0_1_pin_59_60_grp", "pwm0_1_pin_88_89_grp" +}; + +static struct spear_function pwm0_1_function = { + .name = "pwm0_1", + .groups = pwm0_1_grps, + .ngroups = ARRAY_SIZE(pwm0_1_grps), +}; + +/* Pad multiplexing for PWM2 device */ +static const unsigned pwm2_pins[][1] = { { 7 }, { 13 }, { 29 }, { 34 }, { 41 }, + { 58 }, { 87 } }; +static struct spear_muxreg pwm2_net_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_CS_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg pwm2_pin_7_muxreg[] = { + { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_7_MASK, + .val = PMX_PWM_2_PL_7_VAL, + }, +}; + +static struct spear_muxreg pwm2_autoexpsmallpri_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg pwm2_pin_13_muxreg[] = { + { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_13_MASK, + .val = PMX_PWM2_PL_13_VAL, + }, +}; + +static struct spear_muxreg pwm2_pin_29_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_GPIO_PIN1_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_20_29_REG, + .mask = PMX_PL_29_MASK, + .val = PMX_PWM_2_PL_29_VAL, + }, +}; + +static struct spear_muxreg pwm2_pin_34_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_CS_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_34_MASK, + .val = PMX_PWM2_PL_34_VAL, + }, +}; + +static struct spear_muxreg pwm2_pin_41_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_41_MASK, + .val = PMX_PWM2_PL_41_VAL, + }, +}; + +static struct spear_muxreg pwm2_pin_58_muxreg[] = { + { + .reg = IP_SEL_PAD_50_59_REG, + .mask = PMX_PL_58_MASK, + .val = PMX_PWM2_PL_58_VAL, + }, +}; + +static struct spear_muxreg pwm2_pin_87_muxreg[] = { + { + .reg = IP_SEL_PAD_80_89_REG, + .mask = PMX_PL_87_MASK, + .val = PMX_PWM2_PL_87_VAL, + }, +}; + +static struct spear_modemux pwm2_pin_7_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | EXTENDED_MODE, + .muxregs = pwm2_net_muxreg, + .nmuxregs = ARRAY_SIZE(pwm2_net_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = pwm2_pin_7_muxreg, + .nmuxregs = ARRAY_SIZE(pwm2_pin_7_muxreg), + }, +}; +static struct spear_modemux pwm2_pin_13_modemux[] = { + { + .modes = AUTO_EXP_MODE | SMALL_PRINTERS_MODE | EXTENDED_MODE, + .muxregs = pwm2_autoexpsmallpri_muxreg, + .nmuxregs = ARRAY_SIZE(pwm2_autoexpsmallpri_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = pwm2_pin_13_muxreg, + .nmuxregs = ARRAY_SIZE(pwm2_pin_13_muxreg), + }, +}; +static struct spear_modemux pwm2_pin_29_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm2_pin_29_muxreg, + .nmuxregs = ARRAY_SIZE(pwm2_pin_29_muxreg), + }, +}; +static struct spear_modemux pwm2_pin_34_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm2_pin_34_muxreg, + .nmuxregs = ARRAY_SIZE(pwm2_pin_34_muxreg), + }, +}; + +static struct spear_modemux pwm2_pin_41_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm2_pin_41_muxreg, + .nmuxregs = ARRAY_SIZE(pwm2_pin_41_muxreg), + }, +}; + +static struct spear_modemux pwm2_pin_58_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm2_pin_58_muxreg, + .nmuxregs = ARRAY_SIZE(pwm2_pin_58_muxreg), + }, +}; + +static struct spear_modemux pwm2_pin_87_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm2_pin_87_muxreg, + .nmuxregs = ARRAY_SIZE(pwm2_pin_87_muxreg), + }, +}; + +static struct spear_pingroup pwm2_pingroup[] = { + { + .name = "pwm2_pin_7_grp", + .pins = pwm2_pins[0], + .npins = ARRAY_SIZE(pwm2_pins[0]), + .modemuxs = pwm2_pin_7_modemux, + .nmodemuxs = ARRAY_SIZE(pwm2_pin_7_modemux), + }, { + .name = "pwm2_pin_13_grp", + .pins = pwm2_pins[1], + .npins = ARRAY_SIZE(pwm2_pins[1]), + .modemuxs = pwm2_pin_13_modemux, + .nmodemuxs = ARRAY_SIZE(pwm2_pin_13_modemux), + }, { + .name = "pwm2_pin_29_grp", + .pins = pwm2_pins[2], + .npins = ARRAY_SIZE(pwm2_pins[2]), + .modemuxs = pwm2_pin_29_modemux, + .nmodemuxs = ARRAY_SIZE(pwm2_pin_29_modemux), + }, { + .name = "pwm2_pin_34_grp", + .pins = pwm2_pins[3], + .npins = ARRAY_SIZE(pwm2_pins[3]), + .modemuxs = pwm2_pin_34_modemux, + .nmodemuxs = ARRAY_SIZE(pwm2_pin_34_modemux), + }, { + .name = "pwm2_pin_41_grp", + .pins = pwm2_pins[4], + .npins = ARRAY_SIZE(pwm2_pins[4]), + .modemuxs = pwm2_pin_41_modemux, + .nmodemuxs = ARRAY_SIZE(pwm2_pin_41_modemux), + }, { + .name = "pwm2_pin_58_grp", + .pins = pwm2_pins[5], + .npins = ARRAY_SIZE(pwm2_pins[5]), + .modemuxs = pwm2_pin_58_modemux, + .nmodemuxs = ARRAY_SIZE(pwm2_pin_58_modemux), + }, { + .name = "pwm2_pin_87_grp", + .pins = pwm2_pins[6], + .npins = ARRAY_SIZE(pwm2_pins[6]), + .modemuxs = pwm2_pin_87_modemux, + .nmodemuxs = ARRAY_SIZE(pwm2_pin_87_modemux), + }, +}; + +static const char *const pwm2_grps[] = { "pwm2_pin_7_grp", "pwm2_pin_13_grp", + "pwm2_pin_29_grp", "pwm2_pin_34_grp", "pwm2_pin_41_grp", + "pwm2_pin_58_grp", "pwm2_pin_87_grp" }; +static struct spear_function pwm2_function = { + .name = "pwm2", + .groups = pwm2_grps, + .ngroups = ARRAY_SIZE(pwm2_grps), +}; + +/* Pad multiplexing for PWM3 device */ +static const unsigned pwm3_pins[][1] = { { 6 }, { 12 }, { 28 }, { 40 }, { 57 }, + { 86 } }; +static struct spear_muxreg pwm3_pin_6_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_6_MASK, + .val = PMX_PWM_3_PL_6_VAL, + }, +}; + +static struct spear_muxreg pwm3_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg pwm3_pin_12_muxreg[] = { + { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_12_MASK, + .val = PMX_PWM3_PL_12_VAL, + }, +}; + +static struct spear_muxreg pwm3_pin_28_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_GPIO_PIN0_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_20_29_REG, + .mask = PMX_PL_28_MASK, + .val = PMX_PWM_3_PL_28_VAL, + }, +}; + +static struct spear_muxreg pwm3_pin_40_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_40_MASK, + .val = PMX_PWM3_PL_40_VAL, + }, +}; + +static struct spear_muxreg pwm3_pin_57_muxreg[] = { + { + .reg = IP_SEL_PAD_50_59_REG, + .mask = PMX_PL_57_MASK, + .val = PMX_PWM3_PL_57_VAL, + }, +}; + +static struct spear_muxreg pwm3_pin_86_muxreg[] = { + { + .reg = IP_SEL_PAD_80_89_REG, + .mask = PMX_PL_86_MASK, + .val = PMX_PWM3_PL_86_VAL, + }, +}; + +static struct spear_modemux pwm3_pin_6_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm3_pin_6_muxreg, + .nmuxregs = ARRAY_SIZE(pwm3_pin_6_muxreg), + }, +}; + +static struct spear_modemux pwm3_pin_12_modemux[] = { + { + .modes = AUTO_EXP_MODE | SMALL_PRINTERS_MODE | + AUTO_NET_SMII_MODE | EXTENDED_MODE, + .muxregs = pwm3_muxreg, + .nmuxregs = ARRAY_SIZE(pwm3_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = pwm3_pin_12_muxreg, + .nmuxregs = ARRAY_SIZE(pwm3_pin_12_muxreg), + }, +}; + +static struct spear_modemux pwm3_pin_28_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm3_pin_28_muxreg, + .nmuxregs = ARRAY_SIZE(pwm3_pin_28_muxreg), + }, +}; + +static struct spear_modemux pwm3_pin_40_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm3_pin_40_muxreg, + .nmuxregs = ARRAY_SIZE(pwm3_pin_40_muxreg), + }, +}; + +static struct spear_modemux pwm3_pin_57_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm3_pin_57_muxreg, + .nmuxregs = ARRAY_SIZE(pwm3_pin_57_muxreg), + }, +}; + +static struct spear_modemux pwm3_pin_86_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = pwm3_pin_86_muxreg, + .nmuxregs = ARRAY_SIZE(pwm3_pin_86_muxreg), + }, +}; + +static struct spear_pingroup pwm3_pingroup[] = { + { + .name = "pwm3_pin_6_grp", + .pins = pwm3_pins[0], + .npins = ARRAY_SIZE(pwm3_pins[0]), + .modemuxs = pwm3_pin_6_modemux, + .nmodemuxs = ARRAY_SIZE(pwm3_pin_6_modemux), + }, { + .name = "pwm3_pin_12_grp", + .pins = pwm3_pins[1], + .npins = ARRAY_SIZE(pwm3_pins[1]), + .modemuxs = pwm3_pin_12_modemux, + .nmodemuxs = ARRAY_SIZE(pwm3_pin_12_modemux), + }, { + .name = "pwm3_pin_28_grp", + .pins = pwm3_pins[2], + .npins = ARRAY_SIZE(pwm3_pins[2]), + .modemuxs = pwm3_pin_28_modemux, + .nmodemuxs = ARRAY_SIZE(pwm3_pin_28_modemux), + }, { + .name = "pwm3_pin_40_grp", + .pins = pwm3_pins[3], + .npins = ARRAY_SIZE(pwm3_pins[3]), + .modemuxs = pwm3_pin_40_modemux, + .nmodemuxs = ARRAY_SIZE(pwm3_pin_40_modemux), + }, { + .name = "pwm3_pin_57_grp", + .pins = pwm3_pins[4], + .npins = ARRAY_SIZE(pwm3_pins[4]), + .modemuxs = pwm3_pin_57_modemux, + .nmodemuxs = ARRAY_SIZE(pwm3_pin_57_modemux), + }, { + .name = "pwm3_pin_86_grp", + .pins = pwm3_pins[5], + .npins = ARRAY_SIZE(pwm3_pins[5]), + .modemuxs = pwm3_pin_86_modemux, + .nmodemuxs = ARRAY_SIZE(pwm3_pin_86_modemux), + }, +}; + +static const char *const pwm3_grps[] = { "pwm3_pin_6_grp", "pwm3_pin_12_grp", + "pwm3_pin_28_grp", "pwm3_pin_40_grp", "pwm3_pin_57_grp", + "pwm3_pin_86_grp" }; +static struct spear_function pwm3_function = { + .name = "pwm3", + .groups = pwm3_grps, + .ngroups = ARRAY_SIZE(pwm3_grps), +}; + +/* Pad multiplexing for SSP1 device */ +static const unsigned ssp1_pins[][2] = { { 17, 20 }, { 36, 39 }, { 48, 51 }, + { 65, 68 }, { 94, 97 } }; +static struct spear_muxreg ssp1_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg ssp1_ext_17_20_muxreg[] = { + { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_17_18_MASK | PMX_PL_19_MASK, + .val = PMX_SSP1_PL_17_18_19_20_VAL, + }, { + .reg = IP_SEL_PAD_20_29_REG, + .mask = PMX_PL_20_MASK, + .val = PMX_SSP1_PL_17_18_19_20_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP1_PORT_SEL_MASK, + .val = PMX_SSP1_PORT_17_TO_20_VAL, + }, +}; + +static struct spear_muxreg ssp1_ext_36_39_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_36_MASK | PMX_PL_37_38_MASK | PMX_PL_39_MASK, + .val = PMX_SSP1_PL_36_VAL | PMX_SSP1_PL_37_38_VAL | + PMX_SSP1_PL_39_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP1_PORT_SEL_MASK, + .val = PMX_SSP1_PORT_36_TO_39_VAL, + }, +}; + +static struct spear_muxreg ssp1_ext_48_51_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_48_49_MASK, + .val = PMX_SSP1_PL_48_49_VAL, + }, { + .reg = IP_SEL_PAD_50_59_REG, + .mask = PMX_PL_50_51_MASK, + .val = PMX_SSP1_PL_50_51_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP1_PORT_SEL_MASK, + .val = PMX_SSP1_PORT_48_TO_51_VAL, + }, +}; + +static struct spear_muxreg ssp1_ext_65_68_muxreg[] = { + { + .reg = IP_SEL_PAD_60_69_REG, + .mask = PMX_PL_65_TO_68_MASK, + .val = PMX_SSP1_PL_65_TO_68_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP1_PORT_SEL_MASK, + .val = PMX_SSP1_PORT_65_TO_68_VAL, + }, +}; + +static struct spear_muxreg ssp1_ext_94_97_muxreg[] = { + { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_94_95_MASK | PMX_PL_96_97_MASK, + .val = PMX_SSP1_PL_94_95_VAL | PMX_SSP1_PL_96_97_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP1_PORT_SEL_MASK, + .val = PMX_SSP1_PORT_94_TO_97_VAL, + }, +}; + +static struct spear_modemux ssp1_17_20_modemux[] = { + { + .modes = SMALL_PRINTERS_MODE | AUTO_NET_SMII_MODE | + EXTENDED_MODE, + .muxregs = ssp1_muxreg, + .nmuxregs = ARRAY_SIZE(ssp1_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = ssp1_ext_17_20_muxreg, + .nmuxregs = ARRAY_SIZE(ssp1_ext_17_20_muxreg), + }, +}; + +static struct spear_modemux ssp1_36_39_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = ssp1_ext_36_39_muxreg, + .nmuxregs = ARRAY_SIZE(ssp1_ext_36_39_muxreg), + }, +}; + +static struct spear_modemux ssp1_48_51_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = ssp1_ext_48_51_muxreg, + .nmuxregs = ARRAY_SIZE(ssp1_ext_48_51_muxreg), + }, +}; +static struct spear_modemux ssp1_65_68_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = ssp1_ext_65_68_muxreg, + .nmuxregs = ARRAY_SIZE(ssp1_ext_65_68_muxreg), + }, +}; + +static struct spear_modemux ssp1_94_97_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = ssp1_ext_94_97_muxreg, + .nmuxregs = ARRAY_SIZE(ssp1_ext_94_97_muxreg), + }, +}; + +static struct spear_pingroup ssp1_pingroup[] = { + { + .name = "ssp1_17_20_grp", + .pins = ssp1_pins[0], + .npins = ARRAY_SIZE(ssp1_pins[0]), + .modemuxs = ssp1_17_20_modemux, + .nmodemuxs = ARRAY_SIZE(ssp1_17_20_modemux), + }, { + .name = "ssp1_36_39_grp", + .pins = ssp1_pins[1], + .npins = ARRAY_SIZE(ssp1_pins[1]), + .modemuxs = ssp1_36_39_modemux, + .nmodemuxs = ARRAY_SIZE(ssp1_36_39_modemux), + }, { + .name = "ssp1_48_51_grp", + .pins = ssp1_pins[2], + .npins = ARRAY_SIZE(ssp1_pins[2]), + .modemuxs = ssp1_48_51_modemux, + .nmodemuxs = ARRAY_SIZE(ssp1_48_51_modemux), + }, { + .name = "ssp1_65_68_grp", + .pins = ssp1_pins[3], + .npins = ARRAY_SIZE(ssp1_pins[3]), + .modemuxs = ssp1_65_68_modemux, + .nmodemuxs = ARRAY_SIZE(ssp1_65_68_modemux), + }, { + .name = "ssp1_94_97_grp", + .pins = ssp1_pins[4], + .npins = ARRAY_SIZE(ssp1_pins[4]), + .modemuxs = ssp1_94_97_modemux, + .nmodemuxs = ARRAY_SIZE(ssp1_94_97_modemux), + }, +}; + +static const char *const ssp1_grps[] = { "ssp1_17_20_grp", "ssp1_36_39_grp", + "ssp1_48_51_grp", "ssp1_65_68_grp", "ssp1_94_97_grp" +}; +static struct spear_function ssp1_function = { + .name = "ssp1", + .groups = ssp1_grps, + .ngroups = ARRAY_SIZE(ssp1_grps), +}; + +/* Pad multiplexing for SSP2 device */ +static const unsigned ssp2_pins[][2] = { { 13, 16 }, { 32, 35 }, { 44, 47 }, + { 61, 64 }, { 90, 93 } }; +static struct spear_muxreg ssp2_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg ssp2_ext_13_16_muxreg[] = { + { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_13_14_MASK | PMX_PL_15_16_MASK, + .val = PMX_SSP2_PL_13_14_15_16_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP2_PORT_SEL_MASK, + .val = PMX_SSP2_PORT_13_TO_16_VAL, + }, +}; + +static struct spear_muxreg ssp2_ext_32_35_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_CS_MASK | PMX_GPIO_PIN4_MASK | + PMX_GPIO_PIN5_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_30_39_REG, + .mask = PMX_PL_32_33_MASK | PMX_PL_34_MASK | PMX_PL_35_MASK, + .val = PMX_SSP2_PL_32_33_VAL | PMX_SSP2_PL_34_VAL | + PMX_SSP2_PL_35_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP2_PORT_SEL_MASK, + .val = PMX_SSP2_PORT_32_TO_35_VAL, + }, +}; + +static struct spear_muxreg ssp2_ext_44_47_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_40_49_REG, + .mask = PMX_PL_44_45_MASK | PMX_PL_46_47_MASK, + .val = PMX_SSP2_PL_44_45_VAL | PMX_SSP2_PL_46_47_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP2_PORT_SEL_MASK, + .val = PMX_SSP2_PORT_44_TO_47_VAL, + }, +}; + +static struct spear_muxreg ssp2_ext_61_64_muxreg[] = { + { + .reg = IP_SEL_PAD_60_69_REG, + .mask = PMX_PL_61_TO_64_MASK, + .val = PMX_SSP2_PL_61_TO_64_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP2_PORT_SEL_MASK, + .val = PMX_SSP2_PORT_61_TO_64_VAL, + }, +}; + +static struct spear_muxreg ssp2_ext_90_93_muxreg[] = { + { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_90_91_MASK | PMX_PL_92_93_MASK, + .val = PMX_SSP2_PL_90_91_VAL | PMX_SSP2_PL_92_93_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_SSP2_PORT_SEL_MASK, + .val = PMX_SSP2_PORT_90_TO_93_VAL, + }, +}; + +static struct spear_modemux ssp2_13_16_modemux[] = { + { + .modes = AUTO_NET_SMII_MODE | EXTENDED_MODE, + .muxregs = ssp2_muxreg, + .nmuxregs = ARRAY_SIZE(ssp2_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = ssp2_ext_13_16_muxreg, + .nmuxregs = ARRAY_SIZE(ssp2_ext_13_16_muxreg), + }, +}; + +static struct spear_modemux ssp2_32_35_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = ssp2_ext_32_35_muxreg, + .nmuxregs = ARRAY_SIZE(ssp2_ext_32_35_muxreg), + }, +}; + +static struct spear_modemux ssp2_44_47_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = ssp2_ext_44_47_muxreg, + .nmuxregs = ARRAY_SIZE(ssp2_ext_44_47_muxreg), + }, +}; + +static struct spear_modemux ssp2_61_64_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = ssp2_ext_61_64_muxreg, + .nmuxregs = ARRAY_SIZE(ssp2_ext_61_64_muxreg), + }, +}; + +static struct spear_modemux ssp2_90_93_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = ssp2_ext_90_93_muxreg, + .nmuxregs = ARRAY_SIZE(ssp2_ext_90_93_muxreg), + }, +}; + +static struct spear_pingroup ssp2_pingroup[] = { + { + .name = "ssp2_13_16_grp", + .pins = ssp2_pins[0], + .npins = ARRAY_SIZE(ssp2_pins[0]), + .modemuxs = ssp2_13_16_modemux, + .nmodemuxs = ARRAY_SIZE(ssp2_13_16_modemux), + }, { + .name = "ssp2_32_35_grp", + .pins = ssp2_pins[1], + .npins = ARRAY_SIZE(ssp2_pins[1]), + .modemuxs = ssp2_32_35_modemux, + .nmodemuxs = ARRAY_SIZE(ssp2_32_35_modemux), + }, { + .name = "ssp2_44_47_grp", + .pins = ssp2_pins[2], + .npins = ARRAY_SIZE(ssp2_pins[2]), + .modemuxs = ssp2_44_47_modemux, + .nmodemuxs = ARRAY_SIZE(ssp2_44_47_modemux), + }, { + .name = "ssp2_61_64_grp", + .pins = ssp2_pins[3], + .npins = ARRAY_SIZE(ssp2_pins[3]), + .modemuxs = ssp2_61_64_modemux, + .nmodemuxs = ARRAY_SIZE(ssp2_61_64_modemux), + }, { + .name = "ssp2_90_93_grp", + .pins = ssp2_pins[4], + .npins = ARRAY_SIZE(ssp2_pins[4]), + .modemuxs = ssp2_90_93_modemux, + .nmodemuxs = ARRAY_SIZE(ssp2_90_93_modemux), + }, +}; + +static const char *const ssp2_grps[] = { "ssp2_13_16_grp", "ssp2_32_35_grp", + "ssp2_44_47_grp", "ssp2_61_64_grp", "ssp2_90_93_grp" }; +static struct spear_function ssp2_function = { + .name = "ssp2", + .groups = ssp2_grps, + .ngroups = ARRAY_SIZE(ssp2_grps), +}; + +/* Pad multiplexing for cadence mii2 as mii device */ +static const unsigned mii2_pins[] = { 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, + 90, 91, 92, 93, 94, 95, 96, 97 }; +static struct spear_muxreg mii2_muxreg[] = { + { + .reg = IP_SEL_PAD_80_89_REG, + .mask = PMX_PL_80_TO_85_MASK | PMX_PL_86_87_MASK | + PMX_PL_88_89_MASK, + .val = PMX_MII2_PL_80_TO_85_VAL | PMX_MII2_PL_86_87_VAL | + PMX_MII2_PL_88_89_VAL, + }, { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_90_91_MASK | PMX_PL_92_93_MASK | + PMX_PL_94_95_MASK | PMX_PL_96_97_MASK, + .val = PMX_MII2_PL_90_91_VAL | PMX_MII2_PL_92_93_VAL | + PMX_MII2_PL_94_95_VAL | PMX_MII2_PL_96_97_VAL, + }, { + .reg = EXT_CTRL_REG, + .mask = (MAC_MODE_MASK << MAC2_MODE_SHIFT) | + (MAC_MODE_MASK << MAC1_MODE_SHIFT) | + MII_MDIO_MASK, + .val = (MAC_MODE_MII << MAC2_MODE_SHIFT) | + (MAC_MODE_MII << MAC1_MODE_SHIFT) | + MII_MDIO_81_VAL, + }, +}; + +static struct spear_modemux mii2_modemux[] = { + { + .modes = EXTENDED_MODE, + .muxregs = mii2_muxreg, + .nmuxregs = ARRAY_SIZE(mii2_muxreg), + }, +}; + +static struct spear_pingroup mii2_pingroup = { + .name = "mii2_grp", + .pins = mii2_pins, + .npins = ARRAY_SIZE(mii2_pins), + .modemuxs = mii2_modemux, + .nmodemuxs = ARRAY_SIZE(mii2_modemux), +}; + +static const char *const mii2_grps[] = { "mii2_grp" }; +static struct spear_function mii2_function = { + .name = "mii2", + .groups = mii2_grps, + .ngroups = ARRAY_SIZE(mii2_grps), +}; + +/* Pad multiplexing for cadence mii 1_2 as smii or rmii device */ +static const unsigned smii0_1_pins[] = { 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, + 21, 22, 23, 24, 25, 26, 27 }; +static const unsigned rmii0_1_pins[] = { 10, 11, 21, 22, 23, 24, 25, 26, 27 }; +static struct spear_muxreg mii0_1_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, +}; + +static struct spear_muxreg smii0_1_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_10_11_MASK, + .val = PMX_SMII_PL_10_11_VAL, + }, { + .reg = IP_SEL_PAD_20_29_REG, + .mask = PMX_PL_21_TO_27_MASK, + .val = PMX_SMII_PL_21_TO_27_VAL, + }, { + .reg = EXT_CTRL_REG, + .mask = (MAC_MODE_MASK << MAC2_MODE_SHIFT) | + (MAC_MODE_MASK << MAC1_MODE_SHIFT) | + MII_MDIO_MASK, + .val = (MAC_MODE_SMII << MAC2_MODE_SHIFT) + | (MAC_MODE_SMII << MAC1_MODE_SHIFT) + | MII_MDIO_10_11_VAL, + }, +}; + +static struct spear_muxreg rmii0_1_ext_muxreg[] = { + { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_10_11_MASK | PMX_PL_13_14_MASK | + PMX_PL_15_16_MASK | PMX_PL_17_18_MASK | PMX_PL_19_MASK, + .val = PMX_RMII_PL_10_11_VAL | PMX_RMII_PL_13_14_VAL | + PMX_RMII_PL_15_16_VAL | PMX_RMII_PL_17_18_VAL | + PMX_RMII_PL_19_VAL, + }, { + .reg = IP_SEL_PAD_20_29_REG, + .mask = PMX_PL_20_MASK | PMX_PL_21_TO_27_MASK, + .val = PMX_RMII_PL_20_VAL | PMX_RMII_PL_21_TO_27_VAL, + }, { + .reg = EXT_CTRL_REG, + .mask = (MAC_MODE_MASK << MAC2_MODE_SHIFT) | + (MAC_MODE_MASK << MAC1_MODE_SHIFT) | + MII_MDIO_MASK, + .val = (MAC_MODE_RMII << MAC2_MODE_SHIFT) + | (MAC_MODE_RMII << MAC1_MODE_SHIFT) + | MII_MDIO_10_11_VAL, + }, +}; + +static struct spear_modemux mii0_1_modemux[][2] = { + { + /* configure as smii */ + { + .modes = AUTO_NET_SMII_MODE | AUTO_EXP_MODE | + SMALL_PRINTERS_MODE | EXTENDED_MODE, + .muxregs = mii0_1_muxreg, + .nmuxregs = ARRAY_SIZE(mii0_1_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = smii0_1_ext_muxreg, + .nmuxregs = ARRAY_SIZE(smii0_1_ext_muxreg), + }, + }, { + /* configure as rmii */ + { + .modes = AUTO_NET_SMII_MODE | AUTO_EXP_MODE | + SMALL_PRINTERS_MODE | EXTENDED_MODE, + .muxregs = mii0_1_muxreg, + .nmuxregs = ARRAY_SIZE(mii0_1_muxreg), + }, { + .modes = EXTENDED_MODE, + .muxregs = rmii0_1_ext_muxreg, + .nmuxregs = ARRAY_SIZE(rmii0_1_ext_muxreg), + }, + }, +}; + +static struct spear_pingroup mii0_1_pingroup[] = { + { + .name = "smii0_1_grp", + .pins = smii0_1_pins, + .npins = ARRAY_SIZE(smii0_1_pins), + .modemuxs = mii0_1_modemux[0], + .nmodemuxs = ARRAY_SIZE(mii0_1_modemux[0]), + }, { + .name = "rmii0_1_grp", + .pins = rmii0_1_pins, + .npins = ARRAY_SIZE(rmii0_1_pins), + .modemuxs = mii0_1_modemux[1], + .nmodemuxs = ARRAY_SIZE(mii0_1_modemux[1]), + }, +}; + +static const char *const mii0_1_grps[] = { "smii0_1_grp", "rmii0_1_grp" }; +static struct spear_function mii0_1_function = { + .name = "mii0_1", + .groups = mii0_1_grps, + .ngroups = ARRAY_SIZE(mii0_1_grps), +}; + +/* Pad multiplexing for i2c1 device */ +static const unsigned i2c1_pins[][2] = { { 8, 9 }, { 98, 99 } }; +static struct spear_muxreg i2c1_ext_8_9_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_SSP_CS_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_8_9_MASK, + .val = PMX_I2C1_PL_8_9_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_I2C1_PORT_SEL_MASK, + .val = PMX_I2C1_PORT_8_9_VAL, + }, +}; + +static struct spear_muxreg i2c1_ext_98_99_muxreg[] = { + { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_98_MASK | PMX_PL_99_MASK, + .val = PMX_I2C1_PL_98_VAL | PMX_I2C1_PL_99_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_I2C1_PORT_SEL_MASK, + .val = PMX_I2C1_PORT_98_99_VAL, + }, +}; + +static struct spear_modemux i2c1_modemux[][1] = { + { + /* Select signals on pins 8-9 */ + { + .modes = EXTENDED_MODE, + .muxregs = i2c1_ext_8_9_muxreg, + .nmuxregs = ARRAY_SIZE(i2c1_ext_8_9_muxreg), + }, + }, { + /* Select signals on pins 98-99 */ + { + .modes = EXTENDED_MODE, + .muxregs = i2c1_ext_98_99_muxreg, + .nmuxregs = ARRAY_SIZE(i2c1_ext_98_99_muxreg), + }, + }, +}; + +static struct spear_pingroup i2c1_pingroup[] = { + { + .name = "i2c1_8_9_grp", + .pins = i2c1_pins[0], + .npins = ARRAY_SIZE(i2c1_pins[0]), + .modemuxs = i2c1_modemux[0], + .nmodemuxs = ARRAY_SIZE(i2c1_modemux[0]), + }, { + .name = "i2c1_98_99_grp", + .pins = i2c1_pins[1], + .npins = ARRAY_SIZE(i2c1_pins[1]), + .modemuxs = i2c1_modemux[1], + .nmodemuxs = ARRAY_SIZE(i2c1_modemux[1]), + }, +}; + +static const char *const i2c1_grps[] = { "i2c1_8_9_grp", "i2c1_98_99_grp" }; +static struct spear_function i2c1_function = { + .name = "i2c1", + .groups = i2c1_grps, + .ngroups = ARRAY_SIZE(i2c1_grps), +}; + +/* Pad multiplexing for i2c2 device */ +static const unsigned i2c2_pins[][2] = { { 0, 1 }, { 2, 3 }, { 19, 20 }, + { 75, 76 }, { 96, 97 } }; +static struct spear_muxreg i2c2_ext_0_1_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_FIRDA_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_0_1_MASK, + .val = PMX_I2C2_PL_0_1_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_I2C2_PORT_SEL_MASK, + .val = PMX_I2C2_PORT_0_1_VAL, + }, +}; + +static struct spear_muxreg i2c2_ext_2_3_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_UART0_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_0_9_REG, + .mask = PMX_PL_2_3_MASK, + .val = PMX_I2C2_PL_2_3_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_I2C2_PORT_SEL_MASK, + .val = PMX_I2C2_PORT_2_3_VAL, + }, +}; + +static struct spear_muxreg i2c2_ext_19_20_muxreg[] = { + { + .reg = PMX_CONFIG_REG, + .mask = PMX_MII_MASK, + .val = 0, + }, { + .reg = IP_SEL_PAD_10_19_REG, + .mask = PMX_PL_19_MASK, + .val = PMX_I2C2_PL_19_VAL, + }, { + .reg = IP_SEL_PAD_20_29_REG, + .mask = PMX_PL_20_MASK, + .val = PMX_I2C2_PL_20_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_I2C2_PORT_SEL_MASK, + .val = PMX_I2C2_PORT_19_20_VAL, + }, +}; + +static struct spear_muxreg i2c2_ext_75_76_muxreg[] = { + { + .reg = IP_SEL_PAD_70_79_REG, + .mask = PMX_PL_75_76_MASK, + .val = PMX_I2C2_PL_75_76_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_I2C2_PORT_SEL_MASK, + .val = PMX_I2C2_PORT_75_76_VAL, + }, +}; + +static struct spear_muxreg i2c2_ext_96_97_muxreg[] = { + { + .reg = IP_SEL_PAD_90_99_REG, + .mask = PMX_PL_96_97_MASK, + .val = PMX_I2C2_PL_96_97_VAL, + }, { + .reg = IP_SEL_MIX_PAD_REG, + .mask = PMX_I2C2_PORT_SEL_MASK, + .val = PMX_I2C2_PORT_96_97_VAL, + }, +}; + +static struct spear_modemux i2c2_modemux[][1] = { + { + /* Select signals on pins 0_1 */ + { + .modes = EXTENDED_MODE, + .muxregs = i2c2_ext_0_1_muxreg, + .nmuxregs = ARRAY_SIZE(i2c2_ext_0_1_muxreg), + }, + }, { + /* Select signals on pins 2_3 */ + { + .modes = EXTENDED_MODE, + .muxregs = i2c2_ext_2_3_muxreg, + .nmuxregs = ARRAY_SIZE(i2c2_ext_2_3_muxreg), + }, + }, { + /* Select signals on pins 19_20 */ + { + .modes = EXTENDED_MODE, + .muxregs = i2c2_ext_19_20_muxreg, + .nmuxregs = ARRAY_SIZE(i2c2_ext_19_20_muxreg), + }, + }, { + /* Select signals on pins 75_76 */ + { + .modes = EXTENDED_MODE, + .muxregs = i2c2_ext_75_76_muxreg, + .nmuxregs = ARRAY_SIZE(i2c2_ext_75_76_muxreg), + }, + }, { + /* Select signals on pins 96_97 */ + { + .modes = EXTENDED_MODE, + .muxregs = i2c2_ext_96_97_muxreg, + .nmuxregs = ARRAY_SIZE(i2c2_ext_96_97_muxreg), + }, + }, +}; + +static struct spear_pingroup i2c2_pingroup[] = { + { + .name = "i2c2_0_1_grp", + .pins = i2c2_pins[0], + .npins = ARRAY_SIZE(i2c2_pins[0]), + .modemuxs = i2c2_modemux[0], + .nmodemuxs = ARRAY_SIZE(i2c2_modemux[0]), + }, { + .name = "i2c2_2_3_grp", + .pins = i2c2_pins[1], + .npins = ARRAY_SIZE(i2c2_pins[1]), + .modemuxs = i2c2_modemux[1], + .nmodemuxs = ARRAY_SIZE(i2c2_modemux[1]), + }, { + .name = "i2c2_19_20_grp", + .pins = i2c2_pins[2], + .npins = ARRAY_SIZE(i2c2_pins[2]), + .modemuxs = i2c2_modemux[2], + .nmodemuxs = ARRAY_SIZE(i2c2_modemux[2]), + }, { + .name = "i2c2_75_76_grp", + .pins = i2c2_pins[3], + .npins = ARRAY_SIZE(i2c2_pins[3]), + .modemuxs = i2c2_modemux[3], + .nmodemuxs = ARRAY_SIZE(i2c2_modemux[3]), + }, { + .name = "i2c2_96_97_grp", + .pins = i2c2_pins[4], + .npins = ARRAY_SIZE(i2c2_pins[4]), + .modemuxs = i2c2_modemux[4], + .nmodemuxs = ARRAY_SIZE(i2c2_modemux[4]), + }, +}; + +static const char *const i2c2_grps[] = { "i2c2_0_1_grp", "i2c2_2_3_grp", + "i2c2_19_20_grp", "i2c2_75_76_grp", "i2c2_96_97_grp" }; +static struct spear_function i2c2_function = { + .name = "i2c2", + .groups = i2c2_grps, + .ngroups = ARRAY_SIZE(i2c2_grps), +}; + +/* pingroups */ +static struct spear_pingroup *spear320_pingroups[] = { + SPEAR3XX_COMMON_PINGROUPS, + &clcd_pingroup, + &emi_pingroup, + &fsmc_8bit_pingroup, + &fsmc_16bit_pingroup, + &spp_pingroup, + &sdhci_led_pingroup, + &sdhci_pingroup[0], + &sdhci_pingroup[1], + &i2s_pingroup, + &uart1_pingroup, + &uart1_modem_pingroup[0], + &uart1_modem_pingroup[1], + &uart1_modem_pingroup[2], + &uart1_modem_pingroup[3], + &uart2_pingroup, + &uart3_pingroup[0], + &uart3_pingroup[1], + &uart3_pingroup[2], + &uart3_pingroup[3], + &uart3_pingroup[4], + &uart3_pingroup[5], + &uart3_pingroup[6], + &uart4_pingroup[0], + &uart4_pingroup[1], + &uart4_pingroup[2], + &uart4_pingroup[3], + &uart4_pingroup[4], + &uart4_pingroup[5], + &uart5_pingroup[0], + &uart5_pingroup[1], + &uart5_pingroup[2], + &uart5_pingroup[3], + &uart6_pingroup[0], + &uart6_pingroup[1], + &rs485_pingroup, + &touchscreen_pingroup, + &can0_pingroup, + &can1_pingroup, + &pwm0_1_pingroup[0], + &pwm0_1_pingroup[1], + &pwm0_1_pingroup[2], + &pwm0_1_pingroup[3], + &pwm0_1_pingroup[4], + &pwm0_1_pingroup[5], + &pwm0_1_pingroup[6], + &pwm2_pingroup[0], + &pwm2_pingroup[1], + &pwm2_pingroup[2], + &pwm2_pingroup[3], + &pwm2_pingroup[4], + &pwm2_pingroup[5], + &pwm2_pingroup[6], + &pwm3_pingroup[0], + &pwm3_pingroup[1], + &pwm3_pingroup[2], + &pwm3_pingroup[3], + &pwm3_pingroup[4], + &pwm3_pingroup[5], + &ssp1_pingroup[0], + &ssp1_pingroup[1], + &ssp1_pingroup[2], + &ssp1_pingroup[3], + &ssp1_pingroup[4], + &ssp2_pingroup[0], + &ssp2_pingroup[1], + &ssp2_pingroup[2], + &ssp2_pingroup[3], + &ssp2_pingroup[4], + &mii2_pingroup, + &mii0_1_pingroup[0], + &mii0_1_pingroup[1], + &i2c1_pingroup[0], + &i2c1_pingroup[1], + &i2c2_pingroup[0], + &i2c2_pingroup[1], + &i2c2_pingroup[2], + &i2c2_pingroup[3], + &i2c2_pingroup[4], +}; + +/* functions */ +static struct spear_function *spear320_functions[] = { + SPEAR3XX_COMMON_FUNCTIONS, + &clcd_function, + &emi_function, + &fsmc_function, + &spp_function, + &sdhci_function, + &i2s_function, + &uart1_function, + &uart1_modem_function, + &uart2_function, + &uart3_function, + &uart4_function, + &uart5_function, + &uart6_function, + &rs485_function, + &touchscreen_function, + &can0_function, + &can1_function, + &pwm0_1_function, + &pwm2_function, + &pwm3_function, + &ssp1_function, + &ssp2_function, + &mii2_function, + &mii0_1_function, + &i2c1_function, + &i2c2_function, +}; + +static struct of_device_id spear320_pinctrl_of_match[] __devinitdata = { + { + .compatible = "st,spear320-pinmux", + }, + {}, +}; + +static int __devinit spear320_pinctrl_probe(struct platform_device *pdev) +{ + int ret; + + spear3xx_machdata.groups = spear320_pingroups; + spear3xx_machdata.ngroups = ARRAY_SIZE(spear320_pingroups); + spear3xx_machdata.functions = spear320_functions; + spear3xx_machdata.nfunctions = ARRAY_SIZE(spear320_functions); + + spear3xx_machdata.modes_supported = true; + spear3xx_machdata.pmx_modes = spear320_pmx_modes; + spear3xx_machdata.npmx_modes = ARRAY_SIZE(spear320_pmx_modes); + + pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG); + + ret = spear_pinctrl_probe(pdev, &spear3xx_machdata); + if (ret) + return ret; + + return 0; +} + +static int __devexit spear320_pinctrl_remove(struct platform_device *pdev) +{ + return spear_pinctrl_remove(pdev); +} + +static struct platform_driver spear320_pinctrl_driver = { + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + .of_match_table = spear320_pinctrl_of_match, + }, + .probe = spear320_pinctrl_probe, + .remove = __devexit_p(spear320_pinctrl_remove), +}; + +static int __init spear320_pinctrl_init(void) +{ + return platform_driver_register(&spear320_pinctrl_driver); +} +arch_initcall(spear320_pinctrl_init); + +static void __exit spear320_pinctrl_exit(void) +{ + platform_driver_unregister(&spear320_pinctrl_driver); +} +module_exit(spear320_pinctrl_exit); + +MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>"); +MODULE_DESCRIPTION("ST Microelectronics SPEAr320 pinctrl driver"); +MODULE_LICENSE("GPL v2"); +MODULE_DEVICE_TABLE(of, spear320_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.c b/drivers/pinctrl/spear/pinctrl-spear3xx.c new file mode 100644 index 000000000000..832049a8b1c9 --- /dev/null +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.c @@ -0,0 +1,588 @@ +/* + * Driver for the ST Microelectronics SPEAr3xx pinmux + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar <viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/pinctrl/pinctrl.h> + +#include "pinctrl-spear3xx.h" + +/* pins */ +static const struct pinctrl_pin_desc spear3xx_pins[] = { + PINCTRL_PIN(0, "PLGPIO0"), + PINCTRL_PIN(1, "PLGPIO1"), + PINCTRL_PIN(2, "PLGPIO2"), + PINCTRL_PIN(3, "PLGPIO3"), + PINCTRL_PIN(4, "PLGPIO4"), + PINCTRL_PIN(5, "PLGPIO5"), + PINCTRL_PIN(6, "PLGPIO6"), + PINCTRL_PIN(7, "PLGPIO7"), + PINCTRL_PIN(8, "PLGPIO8"), + PINCTRL_PIN(9, "PLGPIO9"), + PINCTRL_PIN(10, "PLGPIO10"), + PINCTRL_PIN(11, "PLGPIO11"), + PINCTRL_PIN(12, "PLGPIO12"), + PINCTRL_PIN(13, "PLGPIO13"), + PINCTRL_PIN(14, "PLGPIO14"), + PINCTRL_PIN(15, "PLGPIO15"), + PINCTRL_PIN(16, "PLGPIO16"), + PINCTRL_PIN(17, "PLGPIO17"), + PINCTRL_PIN(18, "PLGPIO18"), + PINCTRL_PIN(19, "PLGPIO19"), + PINCTRL_PIN(20, "PLGPIO20"), + PINCTRL_PIN(21, "PLGPIO21"), + PINCTRL_PIN(22, "PLGPIO22"), + PINCTRL_PIN(23, "PLGPIO23"), + PINCTRL_PIN(24, "PLGPIO24"), + PINCTRL_PIN(25, "PLGPIO25"), + PINCTRL_PIN(26, "PLGPIO26"), + PINCTRL_PIN(27, "PLGPIO27"), + PINCTRL_PIN(28, "PLGPIO28"), + PINCTRL_PIN(29, "PLGPIO29"), + PINCTRL_PIN(30, "PLGPIO30"), + PINCTRL_PIN(31, "PLGPIO31"), + PINCTRL_PIN(32, "PLGPIO32"), + PINCTRL_PIN(33, "PLGPIO33"), + PINCTRL_PIN(34, "PLGPIO34"), + PINCTRL_PIN(35, "PLGPIO35"), + PINCTRL_PIN(36, "PLGPIO36"), + PINCTRL_PIN(37, "PLGPIO37"), + PINCTRL_PIN(38, "PLGPIO38"), + PINCTRL_PIN(39, "PLGPIO39"), + PINCTRL_PIN(40, "PLGPIO40"), + PINCTRL_PIN(41, "PLGPIO41"), + PINCTRL_PIN(42, "PLGPIO42"), + PINCTRL_PIN(43, "PLGPIO43"), + PINCTRL_PIN(44, "PLGPIO44"), + PINCTRL_PIN(45, "PLGPIO45"), + PINCTRL_PIN(46, "PLGPIO46"), + PINCTRL_PIN(47, "PLGPIO47"), + PINCTRL_PIN(48, "PLGPIO48"), + PINCTRL_PIN(49, "PLGPIO49"), + PINCTRL_PIN(50, "PLGPIO50"), + PINCTRL_PIN(51, "PLGPIO51"), + PINCTRL_PIN(52, "PLGPIO52"), + PINCTRL_PIN(53, "PLGPIO53"), + PINCTRL_PIN(54, "PLGPIO54"), + PINCTRL_PIN(55, "PLGPIO55"), + PINCTRL_PIN(56, "PLGPIO56"), + PINCTRL_PIN(57, "PLGPIO57"), + PINCTRL_PIN(58, "PLGPIO58"), + PINCTRL_PIN(59, "PLGPIO59"), + PINCTRL_PIN(60, "PLGPIO60"), + PINCTRL_PIN(61, "PLGPIO61"), + PINCTRL_PIN(62, "PLGPIO62"), + PINCTRL_PIN(63, "PLGPIO63"), + PINCTRL_PIN(64, "PLGPIO64"), + PINCTRL_PIN(65, "PLGPIO65"), + PINCTRL_PIN(66, "PLGPIO66"), + PINCTRL_PIN(67, "PLGPIO67"), + PINCTRL_PIN(68, "PLGPIO68"), + PINCTRL_PIN(69, "PLGPIO69"), + PINCTRL_PIN(70, "PLGPIO70"), + PINCTRL_PIN(71, "PLGPIO71"), + PINCTRL_PIN(72, "PLGPIO72"), + PINCTRL_PIN(73, "PLGPIO73"), + PINCTRL_PIN(74, "PLGPIO74"), + PINCTRL_PIN(75, "PLGPIO75"), + PINCTRL_PIN(76, "PLGPIO76"), + PINCTRL_PIN(77, "PLGPIO77"), + PINCTRL_PIN(78, "PLGPIO78"), + PINCTRL_PIN(79, "PLGPIO79"), + PINCTRL_PIN(80, "PLGPIO80"), + PINCTRL_PIN(81, "PLGPIO81"), + PINCTRL_PIN(82, "PLGPIO82"), + PINCTRL_PIN(83, "PLGPIO83"), + PINCTRL_PIN(84, "PLGPIO84"), + PINCTRL_PIN(85, "PLGPIO85"), + PINCTRL_PIN(86, "PLGPIO86"), + PINCTRL_PIN(87, "PLGPIO87"), + PINCTRL_PIN(88, "PLGPIO88"), + PINCTRL_PIN(89, "PLGPIO89"), + PINCTRL_PIN(90, "PLGPIO90"), + PINCTRL_PIN(91, "PLGPIO91"), + PINCTRL_PIN(92, "PLGPIO92"), + PINCTRL_PIN(93, "PLGPIO93"), + PINCTRL_PIN(94, "PLGPIO94"), + PINCTRL_PIN(95, "PLGPIO95"), + PINCTRL_PIN(96, "PLGPIO96"), + PINCTRL_PIN(97, "PLGPIO97"), + PINCTRL_PIN(98, "PLGPIO98"), + PINCTRL_PIN(99, "PLGPIO99"), + PINCTRL_PIN(100, "PLGPIO100"), + PINCTRL_PIN(101, "PLGPIO101"), +}; + +/* firda_pins */ +static const unsigned firda_pins[] = { 0, 1 }; +static struct spear_muxreg firda_muxreg[] = { + { + .reg = -1, + .mask = PMX_FIRDA_MASK, + .val = PMX_FIRDA_MASK, + }, +}; + +static struct spear_modemux firda_modemux[] = { + { + .modes = ~0, + .muxregs = firda_muxreg, + .nmuxregs = ARRAY_SIZE(firda_muxreg), + }, +}; + +struct spear_pingroup spear3xx_firda_pingroup = { + .name = "firda_grp", + .pins = firda_pins, + .npins = ARRAY_SIZE(firda_pins), + .modemuxs = firda_modemux, + .nmodemuxs = ARRAY_SIZE(firda_modemux), +}; + +static const char *const firda_grps[] = { "firda_grp" }; +struct spear_function spear3xx_firda_function = { + .name = "firda", + .groups = firda_grps, + .ngroups = ARRAY_SIZE(firda_grps), +}; + +/* i2c_pins */ +static const unsigned i2c_pins[] = { 4, 5 }; +static struct spear_muxreg i2c_muxreg[] = { + { + .reg = -1, + .mask = PMX_I2C_MASK, + .val = PMX_I2C_MASK, + }, +}; + +static struct spear_modemux i2c_modemux[] = { + { + .modes = ~0, + .muxregs = i2c_muxreg, + .nmuxregs = ARRAY_SIZE(i2c_muxreg), + }, +}; + +struct spear_pingroup spear3xx_i2c_pingroup = { + .name = "i2c0_grp", + .pins = i2c_pins, + .npins = ARRAY_SIZE(i2c_pins), + .modemuxs = i2c_modemux, + .nmodemuxs = ARRAY_SIZE(i2c_modemux), +}; + +static const char *const i2c_grps[] = { "i2c0_grp" }; +struct spear_function spear3xx_i2c_function = { + .name = "i2c0", + .groups = i2c_grps, + .ngroups = ARRAY_SIZE(i2c_grps), +}; + +/* ssp_cs_pins */ +static const unsigned ssp_cs_pins[] = { 34, 35, 36 }; +static struct spear_muxreg ssp_cs_muxreg[] = { + { + .reg = -1, + .mask = PMX_SSP_CS_MASK, + .val = PMX_SSP_CS_MASK, + }, +}; + +static struct spear_modemux ssp_cs_modemux[] = { + { + .modes = ~0, + .muxregs = ssp_cs_muxreg, + .nmuxregs = ARRAY_SIZE(ssp_cs_muxreg), + }, +}; + +struct spear_pingroup spear3xx_ssp_cs_pingroup = { + .name = "ssp_cs_grp", + .pins = ssp_cs_pins, + .npins = ARRAY_SIZE(ssp_cs_pins), + .modemuxs = ssp_cs_modemux, + .nmodemuxs = ARRAY_SIZE(ssp_cs_modemux), +}; + +static const char *const ssp_cs_grps[] = { "ssp_cs_grp" }; +struct spear_function spear3xx_ssp_cs_function = { + .name = "ssp_cs", + .groups = ssp_cs_grps, + .ngroups = ARRAY_SIZE(ssp_cs_grps), +}; + +/* ssp_pins */ +static const unsigned ssp_pins[] = { 6, 7, 8, 9 }; +static struct spear_muxreg ssp_muxreg[] = { + { + .reg = -1, + .mask = PMX_SSP_MASK, + .val = PMX_SSP_MASK, + }, +}; + +static struct spear_modemux ssp_modemux[] = { + { + .modes = ~0, + .muxregs = ssp_muxreg, + .nmuxregs = ARRAY_SIZE(ssp_muxreg), + }, +}; + +struct spear_pingroup spear3xx_ssp_pingroup = { + .name = "ssp0_grp", + .pins = ssp_pins, + .npins = ARRAY_SIZE(ssp_pins), + .modemuxs = ssp_modemux, + .nmodemuxs = ARRAY_SIZE(ssp_modemux), +}; + +static const char *const ssp_grps[] = { "ssp0_grp" }; +struct spear_function spear3xx_ssp_function = { + .name = "ssp0", + .groups = ssp_grps, + .ngroups = ARRAY_SIZE(ssp_grps), +}; + +/* mii_pins */ +static const unsigned mii_pins[] = { 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, + 21, 22, 23, 24, 25, 26, 27 }; +static struct spear_muxreg mii_muxreg[] = { + { + .reg = -1, + .mask = PMX_MII_MASK, + .val = PMX_MII_MASK, + }, +}; + +static struct spear_modemux mii_modemux[] = { + { + .modes = ~0, + .muxregs = mii_muxreg, + .nmuxregs = ARRAY_SIZE(mii_muxreg), + }, +}; + +struct spear_pingroup spear3xx_mii_pingroup = { + .name = "mii0_grp", + .pins = mii_pins, + .npins = ARRAY_SIZE(mii_pins), + .modemuxs = mii_modemux, + .nmodemuxs = ARRAY_SIZE(mii_modemux), +}; + +static const char *const mii_grps[] = { "mii0_grp" }; +struct spear_function spear3xx_mii_function = { + .name = "mii0", + .groups = mii_grps, + .ngroups = ARRAY_SIZE(mii_grps), +}; + +/* gpio0_pin0_pins */ +static const unsigned gpio0_pin0_pins[] = { 28 }; +static struct spear_muxreg gpio0_pin0_muxreg[] = { + { + .reg = -1, + .mask = PMX_GPIO_PIN0_MASK, + .val = PMX_GPIO_PIN0_MASK, + }, +}; + +static struct spear_modemux gpio0_pin0_modemux[] = { + { + .modes = ~0, + .muxregs = gpio0_pin0_muxreg, + .nmuxregs = ARRAY_SIZE(gpio0_pin0_muxreg), + }, +}; + +struct spear_pingroup spear3xx_gpio0_pin0_pingroup = { + .name = "gpio0_pin0_grp", + .pins = gpio0_pin0_pins, + .npins = ARRAY_SIZE(gpio0_pin0_pins), + .modemuxs = gpio0_pin0_modemux, + .nmodemuxs = ARRAY_SIZE(gpio0_pin0_modemux), +}; + +/* gpio0_pin1_pins */ +static const unsigned gpio0_pin1_pins[] = { 29 }; +static struct spear_muxreg gpio0_pin1_muxreg[] = { + { + .reg = -1, + .mask = PMX_GPIO_PIN1_MASK, + .val = PMX_GPIO_PIN1_MASK, + }, +}; + +static struct spear_modemux gpio0_pin1_modemux[] = { + { + .modes = ~0, + .muxregs = gpio0_pin1_muxreg, + .nmuxregs = ARRAY_SIZE(gpio0_pin1_muxreg), + }, +}; + +struct spear_pingroup spear3xx_gpio0_pin1_pingroup = { + .name = "gpio0_pin1_grp", + .pins = gpio0_pin1_pins, + .npins = ARRAY_SIZE(gpio0_pin1_pins), + .modemuxs = gpio0_pin1_modemux, + .nmodemuxs = ARRAY_SIZE(gpio0_pin1_modemux), +}; + +/* gpio0_pin2_pins */ +static const unsigned gpio0_pin2_pins[] = { 30 }; +static struct spear_muxreg gpio0_pin2_muxreg[] = { + { + .reg = -1, + .mask = PMX_GPIO_PIN2_MASK, + .val = PMX_GPIO_PIN2_MASK, + }, +}; + +static struct spear_modemux gpio0_pin2_modemux[] = { + { + .modes = ~0, + .muxregs = gpio0_pin2_muxreg, + .nmuxregs = ARRAY_SIZE(gpio0_pin2_muxreg), + }, +}; + +struct spear_pingroup spear3xx_gpio0_pin2_pingroup = { + .name = "gpio0_pin2_grp", + .pins = gpio0_pin2_pins, + .npins = ARRAY_SIZE(gpio0_pin2_pins), + .modemuxs = gpio0_pin2_modemux, + .nmodemuxs = ARRAY_SIZE(gpio0_pin2_modemux), +}; + +/* gpio0_pin3_pins */ +static const unsigned gpio0_pin3_pins[] = { 31 }; +static struct spear_muxreg gpio0_pin3_muxreg[] = { + { + .reg = -1, + .mask = PMX_GPIO_PIN3_MASK, + .val = PMX_GPIO_PIN3_MASK, + }, +}; + +static struct spear_modemux gpio0_pin3_modemux[] = { + { + .modes = ~0, + .muxregs = gpio0_pin3_muxreg, + .nmuxregs = ARRAY_SIZE(gpio0_pin3_muxreg), + }, +}; + +struct spear_pingroup spear3xx_gpio0_pin3_pingroup = { + .name = "gpio0_pin3_grp", + .pins = gpio0_pin3_pins, + .npins = ARRAY_SIZE(gpio0_pin3_pins), + .modemuxs = gpio0_pin3_modemux, + .nmodemuxs = ARRAY_SIZE(gpio0_pin3_modemux), +}; + +/* gpio0_pin4_pins */ +static const unsigned gpio0_pin4_pins[] = { 32 }; +static struct spear_muxreg gpio0_pin4_muxreg[] = { + { + .reg = -1, + .mask = PMX_GPIO_PIN4_MASK, + .val = PMX_GPIO_PIN4_MASK, + }, +}; + +static struct spear_modemux gpio0_pin4_modemux[] = { + { + .modes = ~0, + .muxregs = gpio0_pin4_muxreg, + .nmuxregs = ARRAY_SIZE(gpio0_pin4_muxreg), + }, +}; + +struct spear_pingroup spear3xx_gpio0_pin4_pingroup = { + .name = "gpio0_pin4_grp", + .pins = gpio0_pin4_pins, + .npins = ARRAY_SIZE(gpio0_pin4_pins), + .modemuxs = gpio0_pin4_modemux, + .nmodemuxs = ARRAY_SIZE(gpio0_pin4_modemux), +}; + +/* gpio0_pin5_pins */ +static const unsigned gpio0_pin5_pins[] = { 33 }; +static struct spear_muxreg gpio0_pin5_muxreg[] = { + { + .reg = -1, + .mask = PMX_GPIO_PIN5_MASK, + .val = PMX_GPIO_PIN5_MASK, + }, +}; + +static struct spear_modemux gpio0_pin5_modemux[] = { + { + .modes = ~0, + .muxregs = gpio0_pin5_muxreg, + .nmuxregs = ARRAY_SIZE(gpio0_pin5_muxreg), + }, +}; + +struct spear_pingroup spear3xx_gpio0_pin5_pingroup = { + .name = "gpio0_pin5_grp", + .pins = gpio0_pin5_pins, + .npins = ARRAY_SIZE(gpio0_pin5_pins), + .modemuxs = gpio0_pin5_modemux, + .nmodemuxs = ARRAY_SIZE(gpio0_pin5_modemux), +}; + +static const char *const gpio0_grps[] = { "gpio0_pin0_grp", "gpio0_pin1_grp", + "gpio0_pin2_grp", "gpio0_pin3_grp", "gpio0_pin4_grp", "gpio0_pin5_grp", +}; +struct spear_function spear3xx_gpio0_function = { + .name = "gpio0", + .groups = gpio0_grps, + .ngroups = ARRAY_SIZE(gpio0_grps), +}; + +/* uart0_ext_pins */ +static const unsigned uart0_ext_pins[] = { 37, 38, 39, 40, 41, 42 }; +static struct spear_muxreg uart0_ext_muxreg[] = { + { + .reg = -1, + .mask = PMX_UART0_MODEM_MASK, + .val = PMX_UART0_MODEM_MASK, + }, +}; + +static struct spear_modemux uart0_ext_modemux[] = { + { + .modes = ~0, + .muxregs = uart0_ext_muxreg, + .nmuxregs = ARRAY_SIZE(uart0_ext_muxreg), + }, +}; + +struct spear_pingroup spear3xx_uart0_ext_pingroup = { + .name = "uart0_ext_grp", + .pins = uart0_ext_pins, + .npins = ARRAY_SIZE(uart0_ext_pins), + .modemuxs = uart0_ext_modemux, + .nmodemuxs = ARRAY_SIZE(uart0_ext_modemux), +}; + +static const char *const uart0_ext_grps[] = { "uart0_ext_grp" }; +struct spear_function spear3xx_uart0_ext_function = { + .name = "uart0_ext", + .groups = uart0_ext_grps, + .ngroups = ARRAY_SIZE(uart0_ext_grps), +}; + +/* uart0_pins */ +static const unsigned uart0_pins[] = { 2, 3 }; +static struct spear_muxreg uart0_muxreg[] = { + { + .reg = -1, + .mask = PMX_UART0_MASK, + .val = PMX_UART0_MASK, + }, +}; + +static struct spear_modemux uart0_modemux[] = { + { + .modes = ~0, + .muxregs = uart0_muxreg, + .nmuxregs = ARRAY_SIZE(uart0_muxreg), + }, +}; + +struct spear_pingroup spear3xx_uart0_pingroup = { + .name = "uart0_grp", + .pins = uart0_pins, + .npins = ARRAY_SIZE(uart0_pins), + .modemuxs = uart0_modemux, + .nmodemuxs = ARRAY_SIZE(uart0_modemux), +}; + +static const char *const uart0_grps[] = { "uart0_grp" }; +struct spear_function spear3xx_uart0_function = { + .name = "uart0", + .groups = uart0_grps, + .ngroups = ARRAY_SIZE(uart0_grps), +}; + +/* timer_0_1_pins */ +static const unsigned timer_0_1_pins[] = { 43, 44, 47, 48 }; +static struct spear_muxreg timer_0_1_muxreg[] = { + { + .reg = -1, + .mask = PMX_TIMER_0_1_MASK, + .val = PMX_TIMER_0_1_MASK, + }, +}; + +static struct spear_modemux timer_0_1_modemux[] = { + { + .modes = ~0, + .muxregs = timer_0_1_muxreg, + .nmuxregs = ARRAY_SIZE(timer_0_1_muxreg), + }, +}; + +struct spear_pingroup spear3xx_timer_0_1_pingroup = { + .name = "timer_0_1_grp", + .pins = timer_0_1_pins, + .npins = ARRAY_SIZE(timer_0_1_pins), + .modemuxs = timer_0_1_modemux, + .nmodemuxs = ARRAY_SIZE(timer_0_1_modemux), +}; + +static const char *const timer_0_1_grps[] = { "timer_0_1_grp" }; +struct spear_function spear3xx_timer_0_1_function = { + .name = "timer_0_1", + .groups = timer_0_1_grps, + .ngroups = ARRAY_SIZE(timer_0_1_grps), +}; + +/* timer_2_3_pins */ +static const unsigned timer_2_3_pins[] = { 45, 46, 49, 50 }; +static struct spear_muxreg timer_2_3_muxreg[] = { + { + .reg = -1, + .mask = PMX_TIMER_2_3_MASK, + .val = PMX_TIMER_2_3_MASK, + }, +}; + +static struct spear_modemux timer_2_3_modemux[] = { + { + .modes = ~0, + .muxregs = timer_2_3_muxreg, + .nmuxregs = ARRAY_SIZE(timer_2_3_muxreg), + }, +}; + +struct spear_pingroup spear3xx_timer_2_3_pingroup = { + .name = "timer_2_3_grp", + .pins = timer_2_3_pins, + .npins = ARRAY_SIZE(timer_2_3_pins), + .modemuxs = timer_2_3_modemux, + .nmodemuxs = ARRAY_SIZE(timer_2_3_modemux), +}; + +static const char *const timer_2_3_grps[] = { "timer_2_3_grp" }; +struct spear_function spear3xx_timer_2_3_function = { + .name = "timer_2_3", + .groups = timer_2_3_grps, + .ngroups = ARRAY_SIZE(timer_2_3_grps), +}; + +struct spear_pinctrl_machdata spear3xx_machdata = { + .pins = spear3xx_pins, + .npins = ARRAY_SIZE(spear3xx_pins), +}; diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.h b/drivers/pinctrl/spear/pinctrl-spear3xx.h new file mode 100644 index 000000000000..5d5fdd8df7b8 --- /dev/null +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.h @@ -0,0 +1,92 @@ +/* + * Header file for the ST Microelectronics SPEAr3xx pinmux + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar <viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __PINMUX_SPEAR3XX_H__ +#define __PINMUX_SPEAR3XX_H__ + +#include "pinctrl-spear.h" + +/* pad mux declarations */ +#define PMX_FIRDA_MASK (1 << 14) +#define PMX_I2C_MASK (1 << 13) +#define PMX_SSP_CS_MASK (1 << 12) +#define PMX_SSP_MASK (1 << 11) +#define PMX_MII_MASK (1 << 10) +#define PMX_GPIO_PIN0_MASK (1 << 9) +#define PMX_GPIO_PIN1_MASK (1 << 8) +#define PMX_GPIO_PIN2_MASK (1 << 7) +#define PMX_GPIO_PIN3_MASK (1 << 6) +#define PMX_GPIO_PIN4_MASK (1 << 5) +#define PMX_GPIO_PIN5_MASK (1 << 4) +#define PMX_UART0_MODEM_MASK (1 << 3) +#define PMX_UART0_MASK (1 << 2) +#define PMX_TIMER_2_3_MASK (1 << 1) +#define PMX_TIMER_0_1_MASK (1 << 0) + +extern struct spear_pingroup spear3xx_firda_pingroup; +extern struct spear_pingroup spear3xx_gpio0_pin0_pingroup; +extern struct spear_pingroup spear3xx_gpio0_pin1_pingroup; +extern struct spear_pingroup spear3xx_gpio0_pin2_pingroup; +extern struct spear_pingroup spear3xx_gpio0_pin3_pingroup; +extern struct spear_pingroup spear3xx_gpio0_pin4_pingroup; +extern struct spear_pingroup spear3xx_gpio0_pin5_pingroup; +extern struct spear_pingroup spear3xx_i2c_pingroup; +extern struct spear_pingroup spear3xx_mii_pingroup; +extern struct spear_pingroup spear3xx_ssp_cs_pingroup; +extern struct spear_pingroup spear3xx_ssp_pingroup; +extern struct spear_pingroup spear3xx_timer_0_1_pingroup; +extern struct spear_pingroup spear3xx_timer_2_3_pingroup; +extern struct spear_pingroup spear3xx_uart0_ext_pingroup; +extern struct spear_pingroup spear3xx_uart0_pingroup; + +#define SPEAR3XX_COMMON_PINGROUPS \ + &spear3xx_firda_pingroup, \ + &spear3xx_gpio0_pin0_pingroup, \ + &spear3xx_gpio0_pin1_pingroup, \ + &spear3xx_gpio0_pin2_pingroup, \ + &spear3xx_gpio0_pin3_pingroup, \ + &spear3xx_gpio0_pin4_pingroup, \ + &spear3xx_gpio0_pin5_pingroup, \ + &spear3xx_i2c_pingroup, \ + &spear3xx_mii_pingroup, \ + &spear3xx_ssp_cs_pingroup, \ + &spear3xx_ssp_pingroup, \ + &spear3xx_timer_0_1_pingroup, \ + &spear3xx_timer_2_3_pingroup, \ + &spear3xx_uart0_ext_pingroup, \ + &spear3xx_uart0_pingroup + +extern struct spear_function spear3xx_firda_function; +extern struct spear_function spear3xx_gpio0_function; +extern struct spear_function spear3xx_i2c_function; +extern struct spear_function spear3xx_mii_function; +extern struct spear_function spear3xx_ssp_cs_function; +extern struct spear_function spear3xx_ssp_function; +extern struct spear_function spear3xx_timer_0_1_function; +extern struct spear_function spear3xx_timer_2_3_function; +extern struct spear_function spear3xx_uart0_ext_function; +extern struct spear_function spear3xx_uart0_function; + +#define SPEAR3XX_COMMON_FUNCTIONS \ + &spear3xx_firda_function, \ + &spear3xx_gpio0_function, \ + &spear3xx_i2c_function, \ + &spear3xx_mii_function, \ + &spear3xx_ssp_cs_function, \ + &spear3xx_ssp_function, \ + &spear3xx_timer_0_1_function, \ + &spear3xx_timer_2_3_function, \ + &spear3xx_uart0_ext_function, \ + &spear3xx_uart0_function + +extern struct spear_pinctrl_machdata spear3xx_machdata; + +#endif /* __PINMUX_SPEAR3XX_H__ */ |