]> git.kernelconcepts.de Git - karo-tx-linux.git/commitdiff
ARM: nomadik: register the MMC/SD device
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 9 Apr 2012 20:57:09 +0000 (22:57 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Sun, 10 Jun 2012 16:45:29 +0000 (18:45 +0200)
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>
arch/arm/mach-nomadik/board-nhk8815.c

index 029a741fd9f258e863545195b17ba045d8649e8a..f4535a7dadf537d7ffc0a691598db24103ba4ab1 100644 (file)
@@ -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",