diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-pxa/poodle.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index 7c4a1cebfd6b..f25638810017 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -30,6 +30,8 @@ #include <asm/arch/pxa-regs.h> #include <asm/arch/irq.h> +#include <asm/arch/mmc.h> +#include <asm/arch/udc.h> #include <asm/arch/poodle.h> #include <asm/arch/pxafb.h> @@ -93,6 +95,83 @@ static struct platform_device locomo_device = { .resource = locomo_resources, }; + +/* + * MMC/SD Device + * + * The card detect interrupt isn't debounced so we delay it by 250ms + * to give the card a chance to fully insert/eject. + */ +static struct pxamci_platform_data poodle_mci_platform_data; + +static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data) +{ + int err; + + /* setup GPIO for PXA25x MMC controller */ + pxa_gpio_mode(GPIO6_MMCCLK_MD); + pxa_gpio_mode(GPIO8_MMCCS0_MD); + pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN); + pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT); + + poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250); + + err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, SA_INTERRUPT, + "MMC card detect", data); + if (err) { + printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); + return -1; + } + + set_irq_type(POODLE_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); + + return 0; +} + +static void poodle_mci_setpower(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data* p_d = dev->platform_data; + + if (( 1 << vdd) & p_d->ocr_mask) + GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR); + else + GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR); +} + +static void poodle_mci_exit(struct device *dev, void *data) +{ + free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data); +} + +static struct pxamci_platform_data poodle_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .init = poodle_mci_init, + .setpower = poodle_mci_setpower, + .exit = poodle_mci_exit, +}; + + +/* + * USB Device Controller + */ +static void poodle_udc_command(int cmd) +{ + switch(cmd) { + case PXA2XX_UDC_CMD_CONNECT: + GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); + break; + case PXA2XX_UDC_CMD_DISCONNECT: + GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); + break; + } +} + +static struct pxa2xx_udc_mach_info udc_info __initdata = { + /* no connect GPIO; poodle can't tell connection status */ + .udc_command = poodle_udc_command, +}; + + /* PXAFB device */ static struct pxafb_mach_info poodle_fb_info __initdata = { .pixclock = 144700, @@ -164,6 +243,9 @@ static void __init poodle_init(void) GPSR2 = 0x00000000; set_pxa_fb_info(&poodle_fb_info); + pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT); + pxa_set_udc_info(&udc_info); + pxa_set_mci_info(&poodle_mci_platform_data); scoop_num = 1; scoop_devs = &poodle_pcmcia_scoop[0]; |
