diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-rx51-peripherals.c')
-rw-r--r-- | arch/arm/mach-omap2/board-rx51-peripherals.c | 63 |
1 files changed, 51 insertions, 12 deletions
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index acafdbc8aa16..4377a4cf36eb 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -34,7 +34,7 @@ #include <plat/gpmc-smc91x.h> #include "mux.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define SYSTEM_REV_B_USES_VAUX3 0x1699 #define SYSTEM_REV_S_USES_VAUX3 0x8 @@ -209,7 +209,47 @@ static struct twl4030_madc_platform_data rx51_madc_data = { .irq_line = 1, }; -static struct twl4030_hsmmc_info mmc[] = { +/* Enable input logic and pull all lines up when eMMC is on. */ +static struct omap_board_mux rx51_mmc2_on_mux[] = { + OMAP3_MUX(SDMMC2_CMD, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT0, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT1, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT2, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT3, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT4, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT5, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT6, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT7, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), + { .reg_offset = OMAP_MUX_TERMINATOR }, +}; + +/* Disable input logic and pull all lines down when eMMC is off. */ +static struct omap_board_mux rx51_mmc2_off_mux[] = { + OMAP3_MUX(SDMMC2_CMD, OMAP_PULL_ENA | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT0, OMAP_PULL_ENA | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT1, OMAP_PULL_ENA | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT2, OMAP_PULL_ENA | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT3, OMAP_PULL_ENA | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT4, OMAP_PULL_ENA | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT5, OMAP_PULL_ENA | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT6, OMAP_PULL_ENA | OMAP_MUX_MODE0), + OMAP3_MUX(SDMMC2_DAT7, OMAP_PULL_ENA | OMAP_MUX_MODE0), + { .reg_offset = OMAP_MUX_TERMINATOR }, +}; + +/* + * Current flows to eMMC when eMMC is off and the data lines are pulled up, + * so pull them down. N.B. we pull 8 lines because we are using 8 lines. + */ +static void rx51_mmc2_remux(struct device *dev, int slot, int power_on) +{ + if (power_on) + omap_mux_write_array(rx51_mmc2_on_mux); + else + omap_mux_write_array(rx51_mmc2_off_mux); +} + +static struct omap2_hsmmc_info mmc[] __initdata = { { .name = "external", .mmc = 1, @@ -222,25 +262,29 @@ static struct twl4030_hsmmc_info mmc[] = { { .name = "internal", .mmc = 2, - .wires = 8, + .wires = 8, /* See also rx51_mmc2_remux */ .gpio_cd = -EINVAL, .gpio_wp = -EINVAL, .nonremovable = true, .power_saving = true, + .remux = rx51_mmc2_remux, }, {} /* Terminator */ }; static struct regulator_consumer_supply rx51_vmmc1_supply = { - .supply = "vmmc", + .supply = "vmmc", + .dev_name = "mmci-omap-hs.0", }; static struct regulator_consumer_supply rx51_vmmc2_supply = { - .supply = "vmmc", + .supply = "vmmc", + .dev_name = "mmci-omap-hs.1", }; static struct regulator_consumer_supply rx51_vsim_supply = { - .supply = "vmmc_aux", + .supply = "vmmc_aux", + .dev_name = "mmci-omap-hs.1", }; static struct regulator_init_data rx51_vaux1 = { @@ -375,12 +419,6 @@ static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n) gpio_request(gpio + 7, "speaker_en"); gpio_direction_output(gpio + 7, 1); - /* set up MMC adapters, linking their regulators to them */ - twl4030_mmc_init(mmc); - rx51_vmmc1_supply.dev = mmc[0].dev; - rx51_vmmc2_supply.dev = mmc[1].dev; - rx51_vsim_supply.dev = mmc[1].dev; - return 0; } @@ -751,5 +789,6 @@ void __init rx51_peripherals_init(void) rx51_init_wl1251(); spi_register_board_info(rx51_peripherals_spi_board_info, ARRAY_SIZE(rx51_peripherals_spi_board_info)); + omap2_hsmmc_init(mmc); } |