davinci: MMC platform support

[pandora-kernel.git] / arch / arm / mach-davinci / board-dm355-leopard.c

diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c
index 22f16f3..d4562f5 100644 (file)
--- a/arch/arm/mach-davinci/board-dm355-leopard.c
+++ b/arch/arm/mach-davinci/board-dm355-leopard.c
@@ -35,6 +35,7 @@
 #include <mach/i2c.h>
 #include <mach/serial.h>
 #include <mach/nand.h>
+#include <mach/mmc.h>
 
 #define DAVINCI_ASYNC_EMIF_CONTROL_BASE                0x01e10000
 #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE       0x02000000
@@ -190,6 +191,30 @@ static void __init dm355_leopard_map_io(void)
        dm355_init();
 }
 
+static int dm355leopard_mmc_get_cd(int module)
+{
+       if (!gpio_is_valid(leopard_mmc_gpio))
+               return -ENXIO;
+       /* low == card present */
+       return !gpio_get_value_cansleep(leopard_mmc_gpio + 2 * module + 1);
+}
+
+static int dm355leopard_mmc_get_ro(int module)
+{
+       if (!gpio_is_valid(leopard_mmc_gpio))
+               return -ENXIO;
+       /* high == card's write protect switch active */
+       return gpio_get_value_cansleep(leopard_mmc_gpio + 2 * module + 0);
+}
+
+static struct davinci_mmc_config dm355leopard_mmc_config = {
+       .get_cd         = dm355leopard_mmc_get_cd,
+       .get_ro         = dm355leopard_mmc_get_ro,
+       .wires          = 4,
+       .max_freq       = 50000000,
+       .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+};
+
 /* Don't connect anything to J10 unless you're only using USB host
  * mode *and* have to do so with some kind of gender-bender.  If
  * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
@@ -248,6 +273,9 @@ static __init void dm355_leopard_init(void)
        /* irlml6401 switches over 1A in under 8 msec */
        setup_usb(500, 8);
 
+       davinci_setup_mmc(0, &dm355leopard_mmc_config);
+       davinci_setup_mmc(1, &dm355leopard_mmc_config);
+
        dm355_init_spi0(BIT(0), dm355_leopard_spi_info,
                        ARRAY_SIZE(dm355_leopard_spi_info));
 }