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| author | Kevin Hilman <khilman@deeprootsystems.com> | 2009-05-11 15:55:03 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2009-05-26 07:18:16 -0700 |
| commit | 2dbf56aeb7986b54651c93ed171877e8179289bc (patch) | |
| tree | ecdc2e340ed799a884812abb200aac23279cb79b /arch/arm/mach-davinci/board-dm355-leopard.c | |
| parent | 35652fe1858e664707cfa32e80547b210cc41f78 (diff) | |
| download | kernel_samsung_smdk4412-2dbf56aeb7986b54651c93ed171877e8179289bc.zip kernel_samsung_smdk4412-2dbf56aeb7986b54651c93ed171877e8179289bc.tar.gz kernel_samsung_smdk4412-2dbf56aeb7986b54651c93ed171877e8179289bc.tar.bz2 | |
davinci: MMC platform support
Add SoC and platform-specific data and init for MMC driver.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm/mach-davinci/board-dm355-leopard.c')
| -rw-r--r-- | arch/arm/mach-davinci/board-dm355-leopard.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c index 22f16f3..d4562f5 100644 --- 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)); } |