diff options
Diffstat (limited to 'drivers/pinctrl/renesas/sh_pfc.h')
| -rw-r--r-- | drivers/pinctrl/renesas/sh_pfc.h | 130 |
1 files changed, 96 insertions, 34 deletions
diff --git a/drivers/pinctrl/renesas/sh_pfc.h b/drivers/pinctrl/renesas/sh_pfc.h index d5a245f4fd..48d737a141 100644 --- a/drivers/pinctrl/renesas/sh_pfc.h +++ b/drivers/pinctrl/renesas/sh_pfc.h @@ -1,11 +1,8 @@ -/* +/* SPDX-License-Identifier: GPL-2.0 + * * SuperH Pin Function Controller Support * * Copyright (c) 2008 Magnus Damm - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. */ #ifndef __SH_PFC_H @@ -21,19 +18,32 @@ enum { PINMUX_TYPE_INPUT, }; +#define SH_PFC_PIN_NONE U16_MAX + #define SH_PFC_PIN_CFG_INPUT (1 << 0) #define SH_PFC_PIN_CFG_OUTPUT (1 << 1) #define SH_PFC_PIN_CFG_PULL_UP (1 << 2) #define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3) +#define SH_PFC_PIN_CFG_PULL_UP_DOWN (SH_PFC_PIN_CFG_PULL_UP | \ + SH_PFC_PIN_CFG_PULL_DOWN) #define SH_PFC_PIN_CFG_IO_VOLTAGE (1 << 4) #define SH_PFC_PIN_CFG_DRIVE_STRENGTH (1 << 5) + +#define SH_PFC_PIN_VOLTAGE_18_33 (0 << 6) +#define SH_PFC_PIN_VOLTAGE_25_33 (1 << 6) + +#define SH_PFC_PIN_CFG_IO_VOLTAGE_18_33 (SH_PFC_PIN_CFG_IO_VOLTAGE | \ + SH_PFC_PIN_VOLTAGE_18_33) +#define SH_PFC_PIN_CFG_IO_VOLTAGE_25_33 (SH_PFC_PIN_CFG_IO_VOLTAGE | \ + SH_PFC_PIN_VOLTAGE_25_33) + #define SH_PFC_PIN_CFG_NO_GPIO (1 << 31) struct sh_pfc_pin { - u16 pin; - u16 enum_id; const char *name; unsigned int configs; + u16 pin; + u16 enum_id; }; #define SH_PFC_PIN_GROUP_ALIAS(alias, n) \ @@ -393,12 +403,12 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info; /* * Describe a pinmux configuration in which a pin is physically multiplexed * with other pins. - * - ipsr: IPSR field (unused, for documentation purposes only) + * - ipsr: IPSR field * - fn: Function name * - psel: Physical multiplexing selector */ #define PINMUX_IPSR_PHYS(ipsr, fn, psel) \ - PINMUX_DATA(fn##_MARK, FN_##psel) + PINMUX_DATA(fn##_MARK, FN_##psel, FN_##ipsr) /* * Describe a pinmux configuration for a single-function pin with GPIO @@ -416,9 +426,13 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info; fn(bank, pin, GP_##bank##_##pin, sfx, cfg) #define PORT_GP_1(bank, pin, fn, sfx) PORT_GP_CFG_1(bank, pin, fn, sfx, 0) -#define PORT_GP_CFG_4(bank, fn, sfx, cfg) \ +#define PORT_GP_CFG_2(bank, fn, sfx, cfg) \ PORT_GP_CFG_1(bank, 0, fn, sfx, cfg), \ - PORT_GP_CFG_1(bank, 1, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 1, fn, sfx, cfg) +#define PORT_GP_2(bank, fn, sfx) PORT_GP_CFG_2(bank, fn, sfx, 0) + +#define PORT_GP_CFG_4(bank, fn, sfx, cfg) \ + PORT_GP_CFG_2(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 2, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 3, fn, sfx, cfg) #define PORT_GP_4(bank, fn, sfx) PORT_GP_CFG_4(bank, fn, sfx, 0) @@ -517,9 +531,13 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info; PORT_GP_CFG_1(bank, 25, fn, sfx, cfg) #define PORT_GP_26(bank, fn, sfx) PORT_GP_CFG_26(bank, fn, sfx, 0) -#define PORT_GP_CFG_28(bank, fn, sfx, cfg) \ +#define PORT_GP_CFG_27(bank, fn, sfx, cfg) \ PORT_GP_CFG_26(bank, fn, sfx, cfg), \ - PORT_GP_CFG_1(bank, 26, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 26, fn, sfx, cfg) +#define PORT_GP_27(bank, fn, sfx) PORT_GP_CFG_27(bank, fn, sfx, 0) + +#define PORT_GP_CFG_28(bank, fn, sfx, cfg) \ + PORT_GP_CFG_27(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 27, fn, sfx, cfg) #define PORT_GP_28(bank, fn, sfx) PORT_GP_CFG_28(bank, fn, sfx, 0) @@ -533,9 +551,13 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info; PORT_GP_CFG_1(bank, 29, fn, sfx, cfg) #define PORT_GP_30(bank, fn, sfx) PORT_GP_CFG_30(bank, fn, sfx, 0) -#define PORT_GP_CFG_32(bank, fn, sfx, cfg) \ +#define PORT_GP_CFG_31(bank, fn, sfx, cfg) \ PORT_GP_CFG_30(bank, fn, sfx, cfg), \ - PORT_GP_CFG_1(bank, 30, fn, sfx, cfg), \ + PORT_GP_CFG_1(bank, 30, fn, sfx, cfg) +#define PORT_GP_31(bank, fn, sfx) PORT_GP_CFG_31(bank, fn, sfx, 0) + +#define PORT_GP_CFG_32(bank, fn, sfx, cfg) \ + PORT_GP_CFG_31(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 31, fn, sfx, cfg) #define PORT_GP_32(bank, fn, sfx) PORT_GP_CFG_32(bank, fn, sfx, 0) @@ -559,7 +581,7 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info; /* GP_ALL(suffix) - Expand to a list of GP_#_#_suffix */ #define _GP_ALL(bank, pin, name, sfx, cfg) name##_##sfx -#define GP_ALL(str) CPU_ALL_PORT(_GP_ALL, str) +#define GP_ALL(str) CPU_ALL_GP(_GP_ALL, str) /* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */ #define _GP_GPIO(bank, _pin, _name, sfx, cfg) \ @@ -569,11 +591,29 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info; .enum_id = _name##_DATA, \ .configs = cfg, \ } -#define PINMUX_GPIO_GP_ALL() CPU_ALL_PORT(_GP_GPIO, unused) +#define PINMUX_GPIO_GP_ALL() CPU_ALL_GP(_GP_GPIO, unused) /* PINMUX_DATA_GP_ALL - Expand to a list of name_DATA, name_FN marks */ #define _GP_DATA(bank, pin, name, sfx, cfg) PINMUX_DATA(name##_DATA, name##_FN) -#define PINMUX_DATA_GP_ALL() CPU_ALL_PORT(_GP_DATA, unused) +#define PINMUX_DATA_GP_ALL() CPU_ALL_GP(_GP_DATA, unused) + +/* + * GP_ASSIGN_LAST() - Expand to an enum definition for the last GP pin + * + * The largest GP pin index is obtained by taking the size of a union, + * containing one array per GP pin, sized by the corresponding pin index. + * As the fields in the CPU_ALL_GP() macro definition are separated by commas, + * while the members of a union must be terminated by semicolons, the commas + * are absorbed by wrapping them inside dummy attributes. + */ +#define _GP_ENTRY(bank, pin, name, sfx, cfg) \ + deprecated)); char name[(bank * 32) + pin] __attribute__((deprecated +#define GP_ASSIGN_LAST() \ + GP_LAST = sizeof(union { \ + char dummy[0] __attribute__((deprecated, \ + CPU_ALL_GP(_GP_ENTRY, unused), \ + deprecated)); \ + }) /* * PORT style (linear pin space) @@ -616,22 +656,6 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info; .configs = cfgs, \ } -/* SH_PFC_PIN_NAMED - Expand to a sh_pfc_pin entry with the given name */ -#define SH_PFC_PIN_NAMED(row, col, _name) \ - { \ - .pin = PIN_NUMBER(row, col), \ - .name = __stringify(PIN_##_name), \ - .configs = SH_PFC_PIN_CFG_NO_GPIO, \ - } - -/* SH_PFC_PIN_NAMED_CFG - Expand to a sh_pfc_pin entry with the given name */ -#define SH_PFC_PIN_NAMED_CFG(row, col, _name, cfgs) \ - { \ - .pin = PIN_NUMBER(row, col), \ - .name = __stringify(PIN_##_name), \ - .configs = SH_PFC_PIN_CFG_NO_GPIO | cfgs, \ - } - /* PINMUX_DATA_ALL - Expand to a list of PORT_name_DATA, PORT_name_FN0, * PORT_name_OUT, PORT_name_IN marks */ @@ -640,6 +664,24 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info; PORT##pfx##_OUT, PORT##pfx##_IN) #define PINMUX_DATA_ALL() CPU_ALL_PORT(_PORT_DATA, , unused) +/* + * PORT_ASSIGN_LAST() - Expand to an enum definition for the last PORT pin + * + * The largest PORT pin index is obtained by taking the size of a union, + * containing one array per PORT pin, sized by the corresponding pin index. + * As the fields in the CPU_ALL_PORT() macro definition are separated by + * commas, while the members of a union must be terminated by semicolons, the + * commas are absorbed by wrapping them inside dummy attributes. + */ +#define _PORT_ENTRY(pn, pfx, sfx) \ + deprecated)); char pfx[pn] __attribute__((deprecated +#define PORT_ASSIGN_LAST() \ + PORT_LAST = sizeof(union { \ + char dummy[0] __attribute__((deprecated, \ + CPU_ALL_PORT(_PORT_ENTRY, PORT, unused), \ + deprecated)); \ + }) + /* GPIO_FN(name) - Expand to a sh_pfc_pin entry for a function GPIO */ #define PINMUX_GPIO_FN(gpio, base, data_or_mark) \ [gpio - (base)] = { \ @@ -650,6 +692,26 @@ extern const struct sh_pfc_soc_info r8a77995_pinmux_info; PINMUX_GPIO_FN(GPIO_FN_##str, PINMUX_FN_BASE, str##_MARK) /* + * Pins not associated with a GPIO port + */ + +#define PIN_NOGP_CFG(pin, name, fn, cfg) fn(pin, name, cfg) +#define PIN_NOGP(pin, name, fn) fn(pin, name, 0) + +/* NOGP_ALL - Expand to a list of PIN_id */ +#define _NOGP_ALL(pin, name, cfg) PIN_##pin +#define NOGP_ALL() CPU_ALL_NOGP(_NOGP_ALL) + +/* PINMUX_NOGP_ALL - Expand to a list of sh_pfc_pin entries */ +#define _NOGP_PINMUX(_pin, _name, cfg) \ + { \ + .pin = PIN_##_pin, \ + .name = "PIN_" _name, \ + .configs = SH_PFC_PIN_CFG_NO_GPIO | cfg, \ + } +#define PINMUX_NOGP_ALL() CPU_ALL_NOGP(_NOGP_PINMUX) + +/* * PORTnCR helper macro for SH-Mobile/R-Mobile */ #define PORTCR(nr, reg) \ |