stm32mp157c has vrefbuf regulator that can provide analog reference
voltage from 1500mV to 2500mV.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
---
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 bc3eddc..7df3c99 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -167,6 +167,15 @@
#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>;