From: Fabrice Gasnier <fabrice.gasnier@st.com>
Date: Fri, 13 Sep 2019 14:34:38 +0000 (+0200)
Subject: ARM: dts: stm32: Enable VREFBUF on stm32mp157a-dk1
X-Git-Tag: v5.5-rc1~39^2~39^2~17
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=439819dd4d471389d050d5ce5c829d8c49fadbc3;p=linux-block.git

ARM: dts: stm32: Enable VREFBUF on stm32mp157a-dk1

Enable VREFBUF as ADC/DAC uses it on stm32mp157a-dk1 board.

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/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
index b28d75434b63..2bce894b7a4e 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
@@ -449,3 +449,10 @@
 	pinctrl-0 = <&uart4_pins_a>;
 	status = "okay";
 };
+
+&vrefbuf {
+	regulator-min-microvolt = <2500000>;
+	regulator-max-microvolt = <2500000>;
+	vdda-supply = <&vdd>;
+	status = "okay";
+};