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>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c
index 029a741fd9f2..f4535a7dadf5 100644
--- a/arch/arm/mach-nomadik/board-nhk8815.c
+++ b/arch/arm/mach-nomadik/board-nhk8815.c
@@ -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",