diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
index 1bc79e95b2fb..184e2aa2416a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
@@ -360,6 +360,11 @@
 	status = "okay";
 };
 
+&saradc {
+	vref-supply = <&vcca_1v8>;
+	status = "okay";
+};
+
 &sdhci {
 	bus-width = <8>;
 	max-frequency = <200000000>;