[PATCH 3/3] ARM: dts: stm32: add vrefbuf to stm32h743

[Fabrice Gasnier]

Add STM32H743 VREFBUF (Voltage Reference Buffer) definition.

Signed-off-by: Fabrice Gasnier <fabrice.gasn...@st.com>
---
 arch/arm/boot/dts/stm32h743.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/stm32h743.dtsi b/arch/arm/boot/dts/stm32h743.dtsi
index 4685629..c57096a 100644
--- a/arch/arm/boot/dts/stm32h743.dtsi
+++ b/arch/arm/boot/dts/stm32h743.dtsi
@@ -74,6 +74,15 @@
                        interrupts = <50>;
                        clocks = <&timer_clk>;
                };
+
+               vrefbuf: regulator@58003C00 {
+                       compatible = "st,stm32-vrefbuf";
+                       reg = <0x58003C00 0x8>;
+                       clocks = <&timer_clk>;
+                       regulator-min-microvolt = <1500000>;
+                       regulator-max-microvolt = <2500000>;
+                       status = "disabled";
+               };
        };
 };
 
-- 
1.9.1