diff options
| -rw-r--r-- | drivers/power/twl6030.c | 19 | ||||
| -rw-r--r-- | include/twl6030.h | 11 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/power/twl6030.c b/drivers/power/twl6030.c index 8924f7f..2fb3967 100644 --- a/drivers/power/twl6030.c +++ b/drivers/power/twl6030.c @@ -214,6 +214,8 @@ void twl6030_init_battery_charging(void) void twl6030_power_mmc_init() { + u8 value = 0; + /* 3.0V voltage output for VMMC */ twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VMMC_CFG_VOLTAGE, TWL6030_CFG_VOLTAGE_30); @@ -221,6 +223,23 @@ void twl6030_power_mmc_init() /* Enable P1 output for VMMC */ twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VMMC_CFG_STATE, TWL6030_CFG_STATE_P1 | TWL6030_CFG_STATE_ON); + + twl6030_i2c_read_u8(TWL6030_CHIP_PM, TWL6030_PH_STS_BOOT, &value); + + /* BOOT2 indicates 1.8V/2.8V VAUX1 for eMMC */ + if (value & TWL6030_PH_STS_BOOT2) { + /* 1.8V voltage output for VAUX1 */ + twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VAUX1_CFG_VOLTAGE, + TWL6030_CFG_VOLTAGE_18); + } else { + /* 2.8V voltage output for VAUX1 */ + twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VAUX1_CFG_VOLTAGE, + TWL6030_CFG_VOLTAGE_28); + } + + /* Enable P1 output for VAUX */ + twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VAUX1_CFG_STATE, + TWL6030_CFG_STATE_P1 | TWL6030_CFG_STATE_ON); } void twl6030_usb_device_settings() diff --git a/include/twl6030.h b/include/twl6030.h index bb02d6f..a17a9b5 100644 --- a/include/twl6030.h +++ b/include/twl6030.h @@ -20,6 +20,15 @@ #define TWL6030_CHIP_PWM 0x49 /* Slave Address 0x48 */ +#define TWL6030_PH_STS_BOOT 0x29 + +#define TWL6030_PH_STS_BOOT0 (1 << 0) +#define TWL6030_PH_STS_BOOT1 (1 << 1) +#define TWL6030_PH_STS_BOOT2 (1 << 2) +#define TWL6030_PH_STS_BOOT3 (1 << 3) + +#define TWL6030_VAUX1_CFG_STATE 0x86 +#define TWL6030_VAUX1_CFG_VOLTAGE 0x87 #define TWL6030_VMMC_CFG_STATE 0x9A #define TWL6030_VMMC_CFG_VOLTAGE 0x9B #define TWL6030_VUSB_CFG_STATE 0xA2 @@ -27,6 +36,8 @@ #define TWL6030_CFG_GRP_P1 (1 << 0) #define TWL6030_CFG_STATE_ON (1 << 0) #define TWL6030_CFG_STATE_P1 (TWL6030_CFG_GRP_P1 << 5) +#define TWL6030_CFG_VOLTAGE_18 0x09 +#define TWL6030_CFG_VOLTAGE_28 0x13 #define TWL6030_CFG_VOLTAGE_30 0x15 #define MISC1 0xE4 |