colibri-pxa300.c
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/*
* arch/arm/mach-pxa/colibri-pxa300.c
*
* Support for Toradex PXA300/310 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 <asm/mach-types.h>
#include <asm/sizes.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/pxa300.h>
#include <mach/colibri.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/video-pxafb.h>
#include <mach/audio.h>
#include "generic.h"
#include "devices.h"
#ifdef CONFIG_MACH_COLIBRI_EVALBOARD
static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
/* MMC */
GPIO7_MMC1_CLK,
GPIO14_MMC1_CMD,
GPIO3_MMC1_DAT0,
GPIO4_MMC1_DAT1,
GPIO5_MMC1_DAT2,
GPIO6_MMC1_DAT3,
GPIO13_GPIO, /* GPIO13_COLIBRI_PXA300_SD_DETECT */
/* UHC */
GPIO0_2_USBH_PEN,
GPIO1_2_USBH_PWR,
GPIO77_USB_P3_1,
GPIO78_USB_P3_2,
GPIO79_USB_P3_3,
GPIO80_USB_P3_4,
GPIO81_USB_P3_5,
GPIO82_USB_P3_6,
/* I2C */
GPIO21_I2C_SCL,
GPIO22_I2C_SDA,
};
#else
static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {};
#endif
#if defined(CONFIG_AX88796)
#define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO26_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_pxa300_eth_pin_config[] __initdata = {
GPIO1_nCS2, /* AX88796 chip select */
GPIO26_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */
};
static void __init colibri_pxa300_init_eth(void)
{
colibri_pxa3xx_init_eth(&colibri_asix_platdata);
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
platform_device_register(&asix_device);
}
#else
static inline void __init colibri_pxa300_init_eth(void) {}
#endif /* CONFIG_AX88796 */
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
GPIO54_LCD_LDD_0,
GPIO55_LCD_LDD_1,
GPIO56_LCD_LDD_2,
GPIO57_LCD_LDD_3,
GPIO58_LCD_LDD_4,
GPIO59_LCD_LDD_5,
GPIO60_LCD_LDD_6,
GPIO61_LCD_LDD_7,
GPIO62_LCD_LDD_8,
GPIO63_LCD_LDD_9,
GPIO64_LCD_LDD_10,
GPIO65_LCD_LDD_11,
GPIO66_LCD_LDD_12,
GPIO67_LCD_LDD_13,
GPIO68_LCD_LDD_14,
GPIO69_LCD_LDD_15,
GPIO70_LCD_LDD_16,
GPIO71_LCD_LDD_17,
GPIO62_LCD_CS_N,
GPIO72_LCD_FCLK,
GPIO73_LCD_LCLK,
GPIO74_LCD_PCLK,
GPIO75_LCD_BIAS,
GPIO76_LCD_VSYNC,
};
static void __init colibri_pxa300_init_lcd(void)
{
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
}
#else
static inline void colibri_pxa300_init_lcd(void) {}
#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
#if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE)
static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
GPIO24_AC97_SYSCLK,
GPIO23_AC97_nACRESET,
GPIO25_AC97_SDATA_IN_0,
GPIO27_AC97_SDATA_OUT,
GPIO28_AC97_SYNC,
GPIO29_AC97_BITCLK
};
static inline void __init colibri_pxa310_init_ac97(void)
{
/* no AC97 codec on Colibri PXA300 */
if (!cpu_is_pxa310())
return;
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
pxa_set_ac97_info(NULL);
}
#else
static inline void colibri_pxa310_init_ac97(void) {}
#endif
void __init colibri_pxa300_init(void)
{
colibri_pxa300_init_eth();
colibri_pxa3xx_init_nand();
colibri_pxa300_init_lcd();
colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
colibri_pxa310_init_ac97();
/* Evalboard init */
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_evalboard_pin_config));
colibri_evalboard_init();
}
MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
.atag_offset = 0x100,
.init_machine = colibri_pxa300_init,
.map_io = pxa3xx_map_io,
.nr_irqs = PXA_NR_IRQS,
.init_irq = pxa3xx_init_irq,
.handle_irq = pxa3xx_handle_irq,
.init_time = pxa_timer_init,
.restart = pxa_restart,
MACHINE_END