--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -127,6 +127,11 @@
 			opp-hz = /bits/ 64 <1800000000>;
 			opp-microvolt = <1050000 1050000 1150000>;
 		};
+
+		opp-1992000000 {
+			opp-hz = /bits/ 64 <1992000000>;
+			opp-microvolt = <1150000 1150000 1150000>;
+		};
 	};
 
 	display_subsystem: display-subsystem {