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Commit 171af7dc authored by Linus Walleij's avatar Linus Walleij
Browse files

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: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent d088f671

arch/arm/mach-nomadik/board-nhk8815.c

+24 −0
Original line number Diff line number Diff line
@@ -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",