diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-h2-mmc.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-h2-mmc.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c index 504ae881360f..409fa56d0a87 100644 --- a/arch/arm/mach-omap1/board-h2-mmc.c +++ b/arch/arm/mach-omap1/board-h2-mmc.c @@ -12,13 +12,74 @@ * published by the Free Software Foundation. */ +#include <linux/platform_device.h> + +#include <linux/i2c/tps65010.h> + #include <mach/mmc.h> #include <mach/gpio.h> +#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) + +static int mmc_set_power(struct device *dev, int slot, int power_on, + int vdd) +{ + if (power_on) + gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 1); + else + gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0); + + return 0; +} + +static int mmc_late_init(struct device *dev) +{ + int ret; + + ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power"); + if (ret < 0) + return ret; + + gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0); + + return ret; +} + +static void mmc_shutdown(struct device *dev) +{ + gpio_free(H2_TPS_GPIO_MMC_PWR_EN); +} + +/* + * H2 could use the following functions tested: + * - mmc_get_cover_state that uses OMAP_MPUIO(1) + * - mmc_get_wp that uses OMAP_MPUIO(3) + */ +static struct omap_mmc_platform_data mmc1_data = { + .nr_slots = 1, + .init = mmc_late_init, + .shutdown = mmc_shutdown, + .dma_mask = 0xffffffff, + .slots[0] = { + .set_power = mmc_set_power, + .ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 | + MMC_VDD_32_33 | MMC_VDD_33_34, + .name = "mmcblk", + }, +}; + +static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC]; + void __init h2_mmc_init(void) { + mmc_data[0] = &mmc1_data; + omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC); } -void h2_mmc_slot_cover_handler(void *arg, int state) +#else + +void __init h2_mmc_init(void) { } + +#endif |