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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-pxa/colibri-pxa320.c
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-pxa/colibri-pxa320.c')
-rw-r--r--arch/arm/mach-pxa/colibri-pxa320.c264
1 files changed, 264 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
new file mode 100644
index 00000000000..6ad3359063a
--- /dev/null
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -0,0 +1,264 @@
+/*
+ * arch/arm/mach-pxa/colibri-pxa320.c
+ *
+ * Support for Toradex PXA320/310 based Colibri module
+ *
+ * Daniel Mack <daniel@caiaq.de>
+ * Matthias Meier <matthias.j.meier@gmx.net>
+ *
+ * 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/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/usb/gpio_vbus.h>
+
+#include <asm/mach-types.h>
+#include <asm/sizes.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+
+#include <mach/pxa320.h>
+#include <mach/colibri.h>
+#include <mach/pxafb.h>
+#include <mach/ohci.h>
+#include <mach/audio.h>
+#include <mach/pxa27x-udc.h>
+#include <mach/udc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+#ifdef CONFIG_MACH_COLIBRI_EVALBOARD
+static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {
+ /* MMC */
+ GPIO22_MMC1_CLK,
+ GPIO23_MMC1_CMD,
+ GPIO18_MMC1_DAT0,
+ GPIO19_MMC1_DAT1,
+ GPIO20_MMC1_DAT2,
+ GPIO21_MMC1_DAT3,
+ GPIO28_GPIO, /* SD detect */
+
+ /* UART 1 configuration (may be set by bootloader) */
+ GPIO99_UART1_CTS,
+ GPIO104_UART1_RTS,
+ GPIO97_UART1_RXD,
+ GPIO98_UART1_TXD,
+ GPIO101_UART1_DTR,
+ GPIO103_UART1_DSR,
+ GPIO100_UART1_DCD,
+ GPIO102_UART1_RI,
+
+ /* UART 2 configuration */
+ GPIO109_UART2_CTS,
+ GPIO112_UART2_RTS,
+ GPIO110_UART2_RXD,
+ GPIO111_UART2_TXD,
+
+ /* UART 3 configuration */
+ GPIO30_UART3_RXD,
+ GPIO31_UART3_TXD,
+
+ /* UHC */
+ GPIO2_2_USBH_PEN,
+ GPIO3_2_USBH_PWR,
+
+ /* I2C */
+ GPIO32_I2C_SCL,
+ GPIO33_I2C_SDA,
+
+ /* PCMCIA */
+ MFP_CFG(GPIO59, AF7), /* PRST ; AF7 to tristate */
+ MFP_CFG(GPIO61, AF7), /* PCE1 ; AF7 to tristate */
+ MFP_CFG(GPIO60, AF7), /* PCE2 ; AF7 to tristate */
+ MFP_CFG(GPIO62, AF7), /* PCD ; AF7 to tristate */
+ MFP_CFG(GPIO56, AF7), /* PSKTSEL ; AF7 to tristate */
+ GPIO27_GPIO, /* RDnWR ; input/tristate */
+ GPIO50_GPIO, /* PREG ; input/tristate */
+ GPIO2_RDY,
+ GPIO5_NPIOR,
+ GPIO6_NPIOW,
+ GPIO7_NPIOS16,
+ GPIO8_NPWAIT,
+ GPIO29_GPIO, /* PRDY (READY GPIO) */
+ GPIO57_GPIO, /* PPEN (POWER GPIO) */
+ GPIO81_GPIO, /* PCD (DETECT GPIO) */
+ GPIO77_GPIO, /* PRST (RESET GPIO) */
+ GPIO53_GPIO, /* PBVD1 */
+ GPIO79_GPIO, /* PBVD2 */
+ GPIO54_GPIO, /* POE */
+};
+#else
+static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {};
+#endif
+
+#if defined(CONFIG_AX88796)
+#define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO36_GPIO)
+/*
+ * Asix AX88796 Ethernet
+ */
+static struct ax_plat_data colibri_asix_platdata = {
+ .flags = 0, /* defined later */
+ .wordlength = 2,
+};
+
+static struct resource colibri_asix_resource[] = {
+ [0] = {
+ .start = PXA3xx_CS2_PHYS,
+ .end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
+ .end = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
+ }
+};
+
+static struct platform_device asix_device = {
+ .name = "ax88796",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(colibri_asix_resource),
+ .resource = colibri_asix_resource,
+ .dev = {
+ .platform_data = &colibri_asix_platdata
+ }
+};
+
+static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = {
+ GPIO3_nCS2, /* AX88796 chip select */
+ GPIO36_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */
+};
+
+static void __init colibri_pxa320_init_eth(void)
+{
+ colibri_pxa3xx_init_eth(&colibri_asix_platdata);
+ pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config));
+ platform_device_register(&asix_device);
+}
+#else
+static inline void __init colibri_pxa320_init_eth(void) {}
+#endif /* CONFIG_AX88796 */
+
+#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
+static struct gpio_vbus_mach_info colibri_pxa320_gpio_vbus_info = {
+ .gpio_vbus = mfp_to_gpio(MFP_PIN_GPIO96),
+ .gpio_pullup = -1,
+};
+
+static struct platform_device colibri_pxa320_gpio_vbus = {
+ .name = "gpio-vbus",
+ .id = -1,
+ .dev = {
+ .platform_data = &colibri_pxa320_gpio_vbus_info,
+ },
+};
+
+static void colibri_pxa320_udc_command(int cmd)
+{
+ if (cmd == PXA2XX_UDC_CMD_CONNECT)
+ UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
+ else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
+ UP2OCR = UP2OCR_HXOE;
+}
+
+static struct pxa2xx_udc_mach_info colibri_pxa320_udc_info __initdata = {
+ .udc_command = colibri_pxa320_udc_command,
+ .gpio_pullup = -1,
+};
+
+static void __init colibri_pxa320_init_udc(void)
+{
+ pxa_set_udc_info(&colibri_pxa320_udc_info);
+ platform_device_register(&colibri_pxa320_gpio_vbus);
+}
+#else
+static inline void colibri_pxa320_init_udc(void) {}
+#endif
+
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = {
+ GPIO6_2_LCD_LDD_0,
+ GPIO7_2_LCD_LDD_1,
+ GPIO8_2_LCD_LDD_2,
+ GPIO9_2_LCD_LDD_3,
+ GPIO10_2_LCD_LDD_4,
+ GPIO11_2_LCD_LDD_5,
+ GPIO12_2_LCD_LDD_6,
+ GPIO13_2_LCD_LDD_7,
+ GPIO63_LCD_LDD_8,
+ GPIO64_LCD_LDD_9,
+ GPIO65_LCD_LDD_10,
+ GPIO66_LCD_LDD_11,
+ GPIO67_LCD_LDD_12,
+ GPIO68_LCD_LDD_13,
+ GPIO69_LCD_LDD_14,
+ GPIO70_LCD_LDD_15,
+ GPIO71_LCD_LDD_16,
+ GPIO72_LCD_LDD_17,
+ GPIO73_LCD_CS_N,
+ GPIO74_LCD_VSYNC,
+ GPIO14_2_LCD_FCLK,
+ GPIO15_2_LCD_LCLK,
+ GPIO16_2_LCD_PCLK,
+ GPIO17_2_LCD_BIAS,
+};
+
+static void __init colibri_pxa320_init_lcd(void)
+{
+ pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config));
+}
+#else
+static inline void colibri_pxa320_init_lcd(void) {}
+#endif
+
+#if defined(CONFIG_SND_AC97_CODEC) || \
+ defined(CONFIG_SND_AC97_CODEC_MODULE)
+static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = {
+ GPIO34_AC97_SYSCLK,
+ GPIO35_AC97_SDATA_IN_0,
+ GPIO37_AC97_SDATA_OUT,
+ GPIO38_AC97_SYNC,
+ GPIO39_AC97_BITCLK,
+ GPIO40_AC97_nACRESET
+};
+
+static inline void __init colibri_pxa320_init_ac97(void)
+{
+ pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config));
+ pxa_set_ac97_info(NULL);
+}
+#else
+static inline void colibri_pxa320_init_ac97(void) {}
+#endif
+
+void __init colibri_pxa320_init(void)
+{
+ colibri_pxa320_init_eth();
+ colibri_pxa3xx_init_nand();
+ colibri_pxa320_init_lcd();
+ colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO));
+ colibri_pxa320_init_ac97();
+ colibri_pxa320_init_udc();
+
+ /* Evalboard init */
+ pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_evalboard_pin_config));
+ colibri_evalboard_init();
+}
+
+MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")
+ .atag_offset = 0x100,
+ .init_machine = colibri_pxa320_init,
+ .map_io = pxa3xx_map_io,
+ .init_irq = pxa3xx_init_irq,
+ .handle_irq = pxa3xx_handle_irq,
+ .timer = &pxa_timer,
+ .restart = pxa_restart,
+MACHINE_END
+