Add vrefbuf device tree node. This allows to get
a voltage reference for ADCs.
Signed-off-by: Patrice Chotard <patrice.chot...@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 b84899a1ea94..4b65d41f38cb 100644
--- a/arch/arm/dts/stm32mp157.dtsi
+++ b/arch/arm/dts/stm32mp157.dtsi
@@ -123,6 +123,15 @@
};
};
+ 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>;
--
1.9.1
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