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power: twl6030: Some more explicit registers and values definitions 

This makes the twl6030 mmc and usb-related power registers and values
definitions more explicit and clear and adds prefixes to them.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
utp
Paul Kocialkowski 2016-02-27 19:18:49 +01:00 committed by Tom Rini
parent 6add08e97a
commit c5dbae7c19
2 changed files with 25 additions and 15 deletions
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26
drivers/power/twl6030.c
View File

@ -214,22 +214,26 @@ void twl6030_init_battery_charging(void)
void twl6030_power_mmc_init()
{
/* set voltage to 3.0 and turnon for APP */
twl6030_i2c_write_u8(TWL6030_CHIP_PM, VMMC_CFG_VOLTATE, 0x15);
twl6030_i2c_write_u8(TWL6030_CHIP_PM, VMMC_CFG_STATE, 0x21);
/* 3.0V voltage output for VMMC */
twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VMMC_CFG_VOLTAGE,
TWL6030_CFG_VOLTAGE_30);
/* Enable P1 output for VMMC */
twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VMMC_CFG_STATE,
TWL6030_CFG_STATE_P1 | TWL6030_CFG_STATE_ON);
}
void twl6030_usb_device_settings()
{
u8 data = 0;
u8 value = 0;
/* Select APP Group and set state to ON */
twl6030_i2c_write_u8(TWL6030_CHIP_PM, VUSB_CFG_STATE, 0x21);
/* Enable P1 output for VUSB */
twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VUSB_CFG_STATE,
TWL6030_CFG_STATE_P1 | TWL6030_CFG_STATE_ON);
twl6030_i2c_read_u8(TWL6030_CHIP_PM, MISC2, &data);
data |= 0x10;
/* Select the input supply for VBUS regulator */
twl6030_i2c_write_u8(TWL6030_CHIP_PM, MISC2, data);
/* Select the input supply for VUSB regulator */
twl6030_i2c_read_u8(TWL6030_CHIP_PM, TWL6030_MISC2, &value);
value |= TWL6030_MISC2_VUSB_IN_VSYS;
twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_MISC2, value);
}
#endif

14
include/twl6030.h
View File

@ -20,16 +20,22 @@
#define TWL6030_CHIP_PWM 0x49
/* Slave Address 0x48 */
#define VMMC_CFG_STATE 0x9A
#define VMMC_CFG_VOLTATE 0x9B
#define VUSB_CFG_STATE 0xA2
#define TWL6030_VMMC_CFG_STATE 0x9A
#define TWL6030_VMMC_CFG_VOLTAGE 0x9B
#define TWL6030_VUSB_CFG_STATE 0xA2
#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_30 0x15
#define MISC1 0xE4
#define VAC_MEAS (1 << 2)
#define VBAT_MEAS (1 << 1)
#define BB_MEAS (1 << 0)
#define MISC2 0xE5
#define TWL6030_MISC2 0xE5
#define TWL6030_MISC2_VUSB_IN_VSYS (1 << 4)
/* Slave Address 0x49 */