diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi b/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi
index 3970c5160547..44a4803a2977 100644
--- a/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi
@@ -479,6 +479,10 @@
 	status = "okay";
 };
 
+&saradc0 {
+	status = "okay";
+};
+
 &tsadc {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts
index e6f0a6148e2d..f674ec3bb54f 100644
--- a/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts
@@ -380,6 +380,10 @@
 	/delete-property/ pinctrl-0;
 };
 
+&saradc0 {
+	vref-supply = <&vcc_1v8>;
+};
+
 &sdmmc0 {
 	max-frequency = <200000000>;
 	no-sdio;
diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10.dts b/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10.dts
index a974c4aabb67..e69efe3b190a 100644
--- a/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10.dts
@@ -257,6 +257,10 @@
 	status = "okay";
 };
 
+&saradc0 {
+	vref-supply = <&vcc_1v8>;
+};
+
 &sc450ai {
 	reset-gpios = <&gpio4 RK_PA7 GPIO_ACTIVE_LOW>;
 };