Add support for the 3.3V booster regulator embedded in stm32h7 and stm32mp1 devices, that can be used to supply ADC analog input switches. It's useful to reach full ADC performance when their supply is below 2.7V (vdda by default). Changes in v2: - rebase on top of for-next branch Fabrice Gasnier (4): dt-bindings: regulator: add support for the stm32-booster regulator: add support for the stm32-booster ARM: multi_v7_defconfig: enable STM32 booster regulator ARM: dts: stm32: add booster for ADC analog switches on stm32mp157c .../bindings/regulator/st,stm32-booster.txt | 18 +++ arch/arm/boot/dts/stm32mp157c.dtsi | 6 + arch/arm/configs/multi_v7_defconfig | 1 + drivers/regulator/Kconfig | 11 ++ drivers/regulator/Makefile | 1 + drivers/regulator/stm32-booster.c | 132 +++++++++++++++++++++ 6 files changed, 169 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/st,stm32-booster.txt create mode 100644 drivers/regulator/stm32-booster.c -- 2.7.4
