From 9554a14df2e2f1eee8cbecbaa021aaaae9f457ad Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Wed, 12 Jul 2017 11:42:46 +0200 Subject: regulator: palmas: Add support for LDO1 regulator to provide 1.8V Modify palmas_mmc1_poweron_ldo() API to set the voltage based on the voltage parameter passed as argument instead of always setting it to 3.0V. This allows MMC1 to set the LDO1 regulator voltage to 3.3V or 1.8V. 1.8V is required to add support for UHS mode. Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Jean-Jacques Hiblot Reviewed-by: Tom Rini --- drivers/power/palmas.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/power/palmas.c b/drivers/power/palmas.c index c813b21e6f1..4e9895987cb 100644 --- a/drivers/power/palmas.c +++ b/drivers/power/palmas.c @@ -50,10 +50,9 @@ int palmas_mmc1_poweron_ldo(uint voltage) int ret; /* * Currently valid for the dra7xx_evm board: - * Set TPS659038 LDO1 to 3.0 V + * Set TPS659038 LDO1 to 3.0 V or 1.8V */ - val = LDO_VOLT_3V0; - ret = palmas_i2c_write_u8(TPS65903X_CHIP_P1, LDO1_VOLTAGE, val); + ret = palmas_i2c_write_u8(TPS65903X_CHIP_P1, LDO1_VOLTAGE, voltage); if (ret) { printf("tps65903x: could not set LDO1 voltage.\n"); return ret; -- cgit v1.2.3