diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 09a7e668cf16..04ba3e8dde1c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -169,20 +169,20 @@
 
 		opp00 {
 			opp-hz = /bits/ 64 <408000000>;
-			opp-microvolt = <1000000>;
+			opp-microvolt = <900000>;
 			clock-latency-ns = <40000>;
 		};
 		opp01 {
 			opp-hz = /bits/ 64 <600000000>;
-			opp-microvolt = <1000000>;
+			opp-microvolt = <900000>;
 		};
 		opp02 {
 			opp-hz = /bits/ 64 <816000000>;
-			opp-microvolt = <1000000>;
+			opp-microvolt = <900000>;
 		};
 		opp03 {
 			opp-hz = /bits/ 64 <1008000000>;
-			opp-microvolt = <1000000>;
+			opp-microvolt = <900000>;
 		};
 	};
 
@@ -192,24 +192,24 @@
 
 		opp00 {
 			opp-hz = /bits/ 64 <408000000>;
-			opp-microvolt = <1000000>;
+			opp-microvolt = <900000>;
 			clock-latency-ns = <40000>;
 		};
 		opp01 {
 			opp-hz = /bits/ 64 <600000000>;
-			opp-microvolt = <1000000>;
+			opp-microvolt = <900000>;
 		};
 		opp02 {
 			opp-hz = /bits/ 64 <816000000>;
-			opp-microvolt = <1000000>;
+			opp-microvolt = <900000>;
 		};
 		opp03 {
 			opp-hz = /bits/ 64 <1008000000>;
-			opp-microvolt = <1000000>;
+			opp-microvolt = <900000>;
 		};
 		opp04 {
 			opp-hz = /bits/ 64 <1200000000>;
-			opp-microvolt = <1000000>;
+			opp-microvolt = <900000>;
 		};
 	};