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ARM: nomadik: register the MMC/SD device 

This registers the MMC device for the Nomadik so we can access
MMC/SD cards, which is pretty nice.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2012-04-09 22:57:09 +02:00
parent d088f671e4
commit 171af7dcb8
1 changed files with 24 additions and 0 deletions
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24
arch/arm/mach-nomadik/board-nhk8815.c
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@ -14,6 +14,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/amba/bus.h>
#include <linux/amba/mmci.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/mtd/mtd.h>
@ -186,6 +187,29 @@ static void __init nhk8815_onenand_init(void)
#endif
}
static struct mmci_platform_data mmcsd_plat_data = {
.ocr_mask = MMC_VDD_29_30,
.f_max = 48000000,
.gpio_wp = -1,
.gpio_cd = 111,
.cd_invert = true,
.capabilities = MMC_CAP_MMC_HIGHSPEED |
MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA,
};
static int __init nhk8815_mmcsd_init(void)
{
int ret;
ret = gpio_request(112, "card detect bias");
if (ret)
return ret;
gpio_direction_output(112, 0);
amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180);
return 0;
}
module_init(nhk8815_mmcsd_init);
static struct resource nhk8815_eth_resources[] = {
{
.name = "smc91x-regs",