[ARM] 2914/1: PXA Poodle: Add MMC and UDC support
Patch from Richard Purdie This patch adds MMC and UDC support to the PXA Poodle platform. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
parent
f29d245549
commit
13b9d47ed3
|
@ -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];
|
||||
|
|
Loading…
Reference in a new issue