diff options
Diffstat (limited to 'kernel/arch/arm/mach-pxa/colibri-pxa300.c')
| -rw-r--r-- | kernel/arch/arm/mach-pxa/colibri-pxa300.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-pxa/colibri-pxa300.c b/kernel/arch/arm/mach-pxa/colibri-pxa300.c new file mode 100644 index 000000000..f1a1ac1fb --- /dev/null +++ b/kernel/arch/arm/mach-pxa/colibri-pxa300.c @@ -0,0 +1,195 @@ +/* + * 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 + |