From dbe2fcb87d7d2a64e5ed3661e19b79f7014e5165 Mon Sep 17 00:00:00 2001
From: Patrice Chotard <patrice.chotard@st.com>
Date: Thu, 26 Apr 2018 17:00:49 +0200
Subject: [PATCH] ARM: dts: stm32mp157: Add vrefbuf DT node
Add vrefbuf device tree node. This allows to get
a voltage reference for ADCs.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
---
arch/arm/dts/stm32mp157.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/dts/stm32mp157.dtsi b/arch/arm/dts/stm32mp157.dtsi
index a798144de2..2b894162e9 100644
--- a/arch/arm/dts/stm32mp157.dtsi
+++ b/arch/arm/dts/stm32mp157.dtsi
@@ -156,6 +156,15 @@
};
};
+ vrefbuf: vrefbuf@50025000 {
+ compatible = "st,stm32-vrefbuf";
+ reg = <0x50025000 0x8>;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <2500000>;
+ clocks = <&rcc_clk VREF>;
+ status = "disabled";
+ };
+
pinctrl: pin-controller {
compatible = "st,stm32mp157-pinctrl";
#address-cells = <1>;
--
2.39.5