diff options
| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2017-09-21 17:03:10 +0200 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2017-09-22 23:23:54 +0900 |
| commit | 8ff7763d62d09c541e398239b7e4e3a5e732d273 (patch) | |
| tree | 257f082bf15d79a6b8b449d6678f3302ebb001e9 /drivers/power/regulator/Kconfig | |
| parent | b5a144a5014be5e3b065e2061a7d17e653d739ae (diff) | |
regulator: pbias: Add PBIAS regulator for proper voltage switching on MMC1
In the TI SOCs a PBIAS cell exists to provide a bias voltage to the MMC1
IO cells. Without this bias voltage these I/O cells can not function
properly. The PBIAS cell is controlled by software.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/power/regulator/Kconfig')
| -rw-r--r-- | drivers/power/regulator/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig index c82a936e8a..2cfade1cb2 100644 --- a/drivers/power/regulator/Kconfig +++ b/drivers/power/regulator/Kconfig @@ -151,6 +151,19 @@ config DM_REGULATOR_PALMAS features for REGULATOR PALMAS and the family of PALMAS PMICs. The driver implements get/set api for: value and enable. +config DM_REGULATOR_PBIAS + bool "Enable driver for PBIAS regulator" + depends on DM_REGULATOR + select REGMAP + select SYSCON + ---help--- + This enables implementation of driver-model regulator uclass + features for pseudo-regulator PBIAS found in the OMAP SOCs. + This pseudo-regulator is used to provide a BIAS voltage to MMC1 + signal pads and must be configured properly during a voltage switch. + Voltage switching is required by some operating modes of SDcards and + eMMC. + config DM_REGULATOR_LP873X bool "Enable driver for LP873X PMIC regulators" depends on PMIC_LP873X |