GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-03-21 06:31:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

palmas: Add support for powering different ldos

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/arm/mach-omap2/omap5/hwinit.c
View file

@ -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);