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colibri-pxa320.c
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colibri-pxa320.c
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/*
* arch/arm/mach-pxa/colibri-pxa320.c
*
* Support for Toradex PXA320/310 based Colibri module
*
* Daniel Mack <[email protected]>
* Matthias Meier <[email protected]>
*
* 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/pxa3xx-regs.h>
#include <mach/mfp-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"
#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 = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
.end = 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_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static mfp_cfg_t colibri_pxa320_usb_pin_config[] __initdata = {
GPIO2_2_USBH_PEN,
GPIO3_2_USBH_PWR,
};
static struct pxaohci_platform_data colibri_pxa320_ohci_info = {
.port_mode = PMM_GLOBAL_MODE,
.flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
};
void __init colibri_pxa320_init_ohci(void)
{
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_usb_pin_config));
pxa_set_ohci_info(&colibri_pxa320_ohci_info);
}
#else
static inline void colibri_pxa320_init_ohci(void) {}
#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_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
static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = {
GPIO22_MMC1_CLK,
GPIO23_MMC1_CMD,
GPIO18_MMC1_DAT0,
GPIO19_MMC1_DAT1,
GPIO20_MMC1_DAT2,
GPIO21_MMC1_DAT3
};
#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
/*
* The following configuration is verified to work with the Toradex Orchid
* carrier board
*/
static mfp_cfg_t colibri_pxa320_uart_pin_config[] __initdata = {
/* 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,
};
static void __init colibri_pxa320_init_uart(void)
{
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_uart_pin_config));
}
void __init colibri_pxa320_init(void)
{
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
colibri_pxa320_init_eth();
colibri_pxa320_init_ohci();
colibri_pxa3xx_init_nand();
colibri_pxa320_init_lcd();
colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO));
colibri_pxa320_init_ac97();
colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config),
mfp_to_gpio(MFP_PIN_GPIO28));
colibri_pxa320_init_uart();
colibri_pxa320_init_udc();
}
MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")
.boot_params = COLIBRI_SDRAM_BASE + 0x100,
.init_machine = colibri_pxa320_init,
.map_io = pxa_map_io,
.init_irq = pxa3xx_init_irq,
.timer = &pxa_timer,
MACHINE_END