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| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2010-08-09 17:48:17 +0400 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@stericsson.com> | 2010-12-08 15:13:51 +0300 |
| commit | b8410a150fbc4e61a28032637dc0ae7e8609131d (patch) | |
| tree | 3e3a3dde5feada0c540ebe4fac6d2d595f6f42f5 /arch/arm/mach-ux500/board-mop500-sdi.c | |
| parent | e8a7e48bb248a1196484d3f8afa53bded2b24e71 (diff) | |
| download | linux-b8410a150fbc4e61a28032637dc0ae7e8609131d.tar.xz | |
ux500: mop500: add TC35892 and MicroSD slot support
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Diffstat (limited to 'arch/arm/mach-ux500/board-mop500-sdi.c')
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500-sdi.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c index bac995665b58..f0095ffee438 100644 --- a/arch/arm/mach-ux500/board-mop500-sdi.c +++ b/arch/arm/mach-ux500/board-mop500-sdi.c @@ -20,6 +20,19 @@ #include "board-mop500.h" static pin_cfg_t mop500_sdi_pins[] = { + /* SDI0 (MicroSD slot) */ + GPIO18_MC0_CMDDIR, + GPIO19_MC0_DAT0DIR, + GPIO20_MC0_DAT2DIR, + GPIO21_MC0_DAT31DIR, + GPIO22_MC0_FBCLK, + GPIO23_MC0_CLK, + GPIO24_MC0_CMD, + GPIO25_MC0_DAT0, + GPIO26_MC0_DAT1, + GPIO27_MC0_DAT2, + GPIO28_MC0_DAT3, + /* SDI4 (on-board eMMC) */ GPIO197_MC4_DAT3, GPIO198_MC4_DAT2, @@ -50,6 +63,55 @@ static pin_cfg_t mop500_sdi2_pins[] = { }; /* + * SDI 0 (MicroSD slot) + */ + +/* MMCIPOWER bits */ +#define MCI_DATA2DIREN (1 << 2) +#define MCI_CMDDIREN (1 << 3) +#define MCI_DATA0DIREN (1 << 4) +#define MCI_DATA31DIREN (1 << 5) +#define MCI_FBCLKEN (1 << 7) + +static u32 mop500_sdi0_vdd_handler(struct device *dev, unsigned int vdd, + unsigned char power_mode) +{ + if (power_mode == MMC_POWER_UP) + gpio_set_value(GPIO_SDMMC_EN, 1); + else if (power_mode == MMC_POWER_OFF) + gpio_set_value(GPIO_SDMMC_EN, 0); + + return MCI_FBCLKEN | MCI_CMDDIREN | MCI_DATA0DIREN | + MCI_DATA2DIREN | MCI_DATA31DIREN; +} + +static struct mmci_platform_data mop500_sdi0_data = { + .vdd_handler = mop500_sdi0_vdd_handler, + .ocr_mask = MMC_VDD_29_30, + .f_max = 100000000, + .capabilities = MMC_CAP_4_BIT_DATA, + .gpio_cd = GPIO_SDMMC_CD, + .gpio_wp = -1, +}; + +void mop500_sdi_tc35892_init(void) +{ + int ret; + + ret = gpio_request(GPIO_SDMMC_EN, "SDMMC_EN"); + if (!ret) + ret = gpio_request(GPIO_SDMMC_1V8_3V_SEL, + "GPIO_SDMMC_1V8_3V_SEL"); + if (ret) + return; + + gpio_direction_output(GPIO_SDMMC_1V8_3V_SEL, 1); + gpio_direction_output(GPIO_SDMMC_EN, 0); + + amba_device_register(&u8500_sdi0_device, &iomem_resource); +} + +/* * SDI 2 (POP eMMC, not on DB8500ed) */ @@ -78,6 +140,7 @@ void mop500_sdi_init(void) { nmk_config_pins(mop500_sdi_pins, ARRAY_SIZE(mop500_sdi_pins)); + u8500_sdi0_device.dev.platform_data = &mop500_sdi0_data; u8500_sdi2_device.dev.platform_data = &mop500_sdi2_data; u8500_sdi4_device.dev.platform_data = &mop500_sdi4_data; |