From 9f790afbdd54d49b04116c7bdae655ede21846d7 Mon Sep 17 00:00:00 2001 From: Fabrice Gasnier Date: Wed, 18 Apr 2018 09:47:00 +0200 Subject: [PATCH] ARM: dts: stm32: Add vrefbuf support to stm32mp157c stm32mp157c has vrefbuf regulator that can provide analog reference voltage from 1500mV to 2500mV. Signed-off-by: Fabrice Gasnier Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/stm32mp157c.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi index 115ec73..c81f7ed 100644 --- a/arch/arm/boot/dts/stm32mp157c.dtsi +++ b/arch/arm/boot/dts/stm32mp157c.dtsi @@ -450,6 +450,15 @@ #reset-cells = <1>; }; + vrefbuf: vrefbuf@50025000 { + compatible = "st,stm32-vrefbuf"; + reg = <0x50025000 0x8>; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <2500000>; + clocks = <&rcc VREF>; + status = "disabled"; + }; + usart1: serial@5c000000 { compatible = "st,stm32h7-uart"; reg = <0x5c000000 0x400>; -- 2.7.4