diff options
| -rw-r--r-- | drivers/power/twl4030.c | 69 | ||||
| -rw-r--r-- | include/twl4030.h | 14 |
2 files changed, 44 insertions, 39 deletions
diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c index eb066cb58..1a5408959 100644 --- a/drivers/power/twl4030.c +++ b/drivers/power/twl4030.c @@ -59,57 +59,48 @@ void twl4030_power_reset_init(void) } } - /* - * Power Init + * Set Device Group and Voltage */ -#define DEV_GRP_P1 0x20 -#define VAUX3_VSEL_28 0x03 -#define DEV_GRP_ALL 0xE0 -#define VPLL2_VSEL_18 0x05 -#define VDAC_VSEL_18 0x03 +void twl4030_pmrecv_vsel_cfg(u8 vsel_reg, u8 vsel_val, + u8 dev_grp, u8 dev_grp_sel) +{ + /* Select the Device Group */ + twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, dev_grp_sel, + dev_grp); + + /* Select the Voltage */ + twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, vsel_val, + vsel_reg); +} void twl4030_power_init(void) { - unsigned char byte; - /* set VAUX3 to 2.8V */ - byte = DEV_GRP_P1; - twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, - TWL4030_PM_RECEIVER_VAUX3_DEV_GRP); - byte = VAUX3_VSEL_28; - twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, - TWL4030_PM_RECEIVER_VAUX3_DEDICATED); + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX3_DEDICATED, + TWL4030_PM_RECEIVER_VAUX3_VSEL_28, + TWL4030_PM_RECEIVER_VAUX3_DEV_GRP, + TWL4030_PM_RECEIVER_DEV_GRP_P1); /* set VPLL2 to 1.8V */ - byte = DEV_GRP_ALL; - twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, - TWL4030_PM_RECEIVER_VPLL2_DEV_GRP); - byte = VPLL2_VSEL_18; - twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, - TWL4030_PM_RECEIVER_VPLL2_DEDICATED); + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VPLL2_DEDICATED, + TWL4030_PM_RECEIVER_VPLL2_VSEL_18, + TWL4030_PM_RECEIVER_VPLL2_DEV_GRP, + TWL4030_PM_RECEIVER_DEV_GRP_ALL); /* set VDAC to 1.8V */ - byte = DEV_GRP_P1; - twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, - TWL4030_PM_RECEIVER_VDAC_DEV_GRP); - byte = VDAC_VSEL_18; - twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, - TWL4030_PM_RECEIVER_VDAC_DEDICATED); + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VDAC_DEDICATED, + TWL4030_PM_RECEIVER_VDAC_VSEL_18, + TWL4030_PM_RECEIVER_VDAC_DEV_GRP, + TWL4030_PM_RECEIVER_DEV_GRP_P1); } -#define VMMC1_VSEL_30 0x02 - void twl4030_power_mmc_init(void) { - unsigned char byte; - - byte = DEV_GRP_P1; - twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, - TWL4030_PM_RECEIVER_VMMC1_DEV_GRP); - - /* 3 Volts */ - byte = VMMC1_VSEL_30; - twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte, - TWL4030_PM_RECEIVER_VMMC1_DEDICATED); + /* Set VMMC1 to 3 Volts */ + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VMMC1_DEDICATED, + TWL4030_PM_RECEIVER_VMMC1_VSEL_30, + TWL4030_PM_RECEIVER_VMMC1_DEV_GRP, + TWL4030_PM_RECEIVER_DEV_GRP_P1); } + diff --git a/include/twl4030.h b/include/twl4030.h index 2b2f5ae6c..930c285c2 100644 --- a/include/twl4030.h +++ b/include/twl4030.h @@ -304,6 +304,17 @@ #define TWL4030_PM_RECEIVER_MAINREF_TYPE 0xF0 #define TWL4030_PM_RECEIVER_MAINREF_REMAP 0xF1 +/* Voltage Selection in PM Receiver Module */ +#define TWL4030_PM_RECEIVER_VAUX2_VSEL_18 0x05 +#define TWL4030_PM_RECEIVER_VAUX3_VSEL_28 0x03 +#define TWL4030_PM_RECEIVER_VPLL2_VSEL_18 0x05 +#define TWL4030_PM_RECEIVER_VDAC_VSEL_18 0x03 +#define TWL4030_PM_RECEIVER_VMMC1_VSEL_30 0x02 + +/* Device Selection in PM Receiver Module */ +#define TWL4030_PM_RECEIVER_DEV_GRP_P1 0x20 +#define TWL4030_PM_RECEIVER_DEV_GRP_ALL 0xE0 + /* LED */ #define TWL4030_LED_LEDEN 0xEE #define TWL4030_LED_LEDEN_LEDAON (1 << 0) @@ -500,6 +511,9 @@ static inline int twl4030_i2c_read_u8(u8 chip_no, u8 *val, u8 reg) /* For hardware resetting */ void twl4030_power_reset_init(void); +/* For setting device group and voltage */ +void twl4030_pmrecv_vsel_cfg(u8 vsel_reg, u8 vsel_val, + u8 dev_grp, u8 dev_grp_sel); /* For initializing power device */ void twl4030_power_init(void); /* For initializing mmc power */ |