diff options
Diffstat (limited to 'drivers/power')
-rw-r--r-- | drivers/power/twl6035.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/power/twl6035.c b/drivers/power/twl6035.c index d75212c..624c09e 100644 --- a/drivers/power/twl6035.c +++ b/drivers/power/twl6035.c @@ -34,7 +34,32 @@ int twl6035_i2c_read_u8(u8 chip_no, u8 *val, u8 reg) return i2c_read(chip_no, reg, 1, val, 1); } +/* To align with i2c mw/mr address, reg, val command syntax */ +static inline int palmas_write_u8(u8 chip_no, u8 reg, u8 val) +{ + return i2c_write(chip_no, reg, 1, &val, 1); +} + +static inline int palmas_read_u8(u8 chip_no, u8 reg, u8 *val) +{ + return i2c_read(chip_no, reg, 1, val, 1); +} + void twl6035_init_settings(void) { return; } + +void twl6035_mmc1_poweron_ldo(void) +{ + u8 val = 0; + + /* set LDO9 TWL6035 to 3V */ + val = 0x2b; /* (3 -.9)*28 +1 */ + palmas_write_u8(0x48, LDO9_VOLTAGE, val); + + /* TURN ON LDO9 */ + val = LDO_ON | LDO_MODE_SLEEP | LDO_MODE_ACTIVE; + palmas_write_u8(0x48, LDO9_CTRL, val); + return; +} |