From: Fabrice Gasnier <fabrice.gasnier@st.com>
Date: Wed, 18 Apr 2018 07:47:00 +0000 (+0200)
Subject: ARM: dts: stm32: Add vrefbuf support to stm32mp157c
X-Git-Tag: rel_imx_4.19.35_1.1.0~9906^2~49^2~36
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=9f790afbdd54d49b04116c7bdae655ede21846d7;p=linux.git

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 <fabrice.gasnier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
---

diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index 115ec7335d34..c81f7edf4954 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>;