diff options
| author | Balaji Rao <balajirrao@openmoko.org> | 2009-02-08 16:49:15 +0000 |
|---|---|---|
| committer | Andy Green <agreen@octopus.localdomain> | 2009-02-08 16:49:15 +0000 |
| commit | 9dbeaa31ed639d1481cb6a3f2080420eb267e0cd (patch) | |
| tree | ada6062a5c7a10dbc082132b8568a813c02759d2 /arch/arm/mach-s3c2410 | |
| parent | d1a9cf85c8608601700aab24e4772420d3e4e6be (diff) | |
s3c_mci_move_regulator_stuff_to_platform_code.patch
Move the regulator handling stuff away from s3cmci.c to mach-gta01.c.
Signed-off-by: Balaji Rao <balajirrao@openmoko.org>
Diffstat (limited to 'arch/arm/mach-s3c2410')
| -rw-r--r-- | arch/arm/mach-s3c2410/mach-gta01.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c index 629fb7a49b6..6eb8eb3ac46 100644 --- a/arch/arm/mach-s3c2410/mach-gta01.c +++ b/arch/arm/mach-s3c2410/mach-gta01.c @@ -279,7 +279,6 @@ static void gta01_pmu_regulator_registered(struct pcf50606 *pcf, int id) break; case PCF50606_REGULATOR_D2REG: gps_registered_regulators++; - platform_device_register(&s3c_device_sdi); break; case PCF50606_REGULATOR_IOREG: case PCF50606_REGULATOR_DCD: @@ -551,6 +550,7 @@ static struct platform_device *gta01_devices[] __initdata = { &s3c_device_wdt, &s3c_device_i2c0, &s3c_device_iis, + &s3c_device_sdi, &s3c_device_usbgadget, &s3c_device_nand, &s3c_device_ts, @@ -572,8 +572,69 @@ static struct s3c2410_platform_nand gta01_nand_info = { .sets = gta01_nand_sets, }; +static struct regulator *s3c_sdi_regulator; + +static void gta01_mmc_set_power(unsigned char power_mode, unsigned short vdd) +{ + int bit; + int mv = 1700; /* 1.7V for MMC_VDD_165_195 */ + struct regulator *regulator; + + printk(KERN_DEBUG "mmc_set_power(power_mode=%u, vdd=%u)\n", + power_mode, vdd); + + if (!s3c_sdi_regulator) { + s3c_sdi_regulator = + regulator_get(&s3c_device_sdi.dev, "SD_3V3"); + if (!s3c_sdi_regulator) { + printk(KERN_ERR "gta01_mmc_set_power : Cannot get regulator"); + return; + } + } + + regulator = s3c_sdi_regulator; + + return; + switch (system_rev) { + case GTA01v3_SYSTEM_REV: + switch (power_mode) { + case MMC_POWER_OFF: + regulator_disable(regulator); + break; + case MMC_POWER_ON: + /* translate MMC_VDD_* VDD bit to mv */ + for (bit = 8; bit != 24; bit++) + if (vdd == (1 << bit)) + mv += 100 * (bit - 4); + regulator_set_voltage(regulator, mv * 1000, mv * 10000); + break; + case MMC_POWER_UP: + regulator_enable(regulator); + break; + } + break; + case GTA01v4_SYSTEM_REV: + case GTA01Bv2_SYSTEM_REV: + case GTA01Bv3_SYSTEM_REV: + case GTA01Bv4_SYSTEM_REV: + switch (power_mode) { + case MMC_POWER_OFF: + neo1973_gpb_setpin(GTA01_GPIO_SDMMC_ON, 1); + break; + case MMC_POWER_ON: + neo1973_gpb_setpin(GTA01_GPIO_SDMMC_ON, 0); + break; + } + break; + } + + if (regulator) + regulator_put(regulator); +} + static struct s3c24xx_mci_pdata gta01_mmc_cfg = { .gpio_detect = GTA01_GPIO_nSD_DETECT, + .set_power = >a01_mmc_set_power, .ocr_avail = MMC_VDD_165_195|MMC_VDD_20_21| MMC_VDD_21_22|MMC_VDD_22_23|MMC_VDD_23_24| MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27| |