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palmas: Add support for powering different ldos

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It is not necessary that ldo1 is used to power on mmc.
So, add support for passing ldo registers for powering on mmc.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Lokesh Vutla 2017-08-21 12:50:50 +05:30 committed by Tom Rini
parent 91d3e90668
commit db4fce8fcd
4 changed files with 7 additions and 10 deletions
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2
arch/arm/mach-omap2/omap5/hwinit.c
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@ -457,7 +457,7 @@ void v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb,
#if defined(CONFIG_PALMAS_POWER)
__weak void board_mmc_poweron_ldo(uint voltage)
{
palmas_mmc1_poweron_ldo(voltage);
palmas_mmc1_poweron_ldo(LDO1_VOLTAGE, LDO1_CTRL, voltage);
}
void vmmc_pbias_config(uint voltage)

2
board/ti/dra7xx/evm.c
View File

@ -720,7 +720,7 @@ void board_mmc_poweron_ldo(uint voltage)
voltage = 0xa;
lp873x_mmc1_poweron_ldo(voltage);
} else {
palmas_mmc1_poweron_ldo(voltage);
palmas_mmc1_poweron_ldo(LDO1_VOLTAGE, LDO1_CTRL, voltage);
}
}
#endif

11
drivers/power/palmas.c
View File

@ -42,24 +42,21 @@ int lp873x_mmc1_poweron_ldo(uint voltage)
}
#endif
int palmas_mmc1_poweron_ldo(uint voltage)
int palmas_mmc1_poweron_ldo(uint ldo_volt, uint ldo_ctrl, uint voltage)
{
u8 val = 0;
#if defined(CONFIG_DRA7XX)
int ret;
/*
* Currently valid for the dra7xx_evm board:
* Set TPS659038 LDO1 to 3.0 V or 1.8V
*/
ret = palmas_i2c_write_u8(TPS65903X_CHIP_P1, LDO1_VOLTAGE, voltage);
ret = palmas_i2c_write_u8(TPS65903X_CHIP_P1, ldo_volt, voltage);
if (ret) {
printf("tps65903x: could not set LDO1 voltage.\n");
return ret;
}
/* TURN ON LDO1 */
val = RSC_MODE_SLEEP | RSC_MODE_ACTIVE;
ret = palmas_i2c_write_u8(TPS65903X_CHIP_P1, LDO1_CTRL, val);
ret = palmas_i2c_write_u8(TPS65903X_CHIP_P1, ldo_ctrl, val);
if (ret) {
printf("tps65903x: could not turn on LDO1.\n");
return ret;

2
include/palmas.h
View File

@ -129,7 +129,7 @@ static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
}
void palmas_init_settings(void);
int palmas_mmc1_poweron_ldo(uint voltage);
int palmas_mmc1_poweron_ldo(uint ldo_volt, uint ldo_ctrl, uint voltage);
int lp873x_mmc1_poweron_ldo(uint voltage);
int twl603x_mmc1_set_ldo9(u8 vsel);
int twl603x_audio_power(u8 on);