diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index dc785da9c..adc0dfcc5 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -113,6 +113,12 @@
 			clock-latency-ns = <244144>; /* 8 32k periods */
 		};
 
+		opp@1640000000 {
+			opp-hz = /bits/ 64 <1640000000>;
+			opp-microvolt = <1160000>;
+			clock-latency-ns = <244144>; /* 8 32k periods */
+		};
+
 		opp@1800000000 {
 			opp-hz = /bits/ 64 <1800000000>;
 			opp-microvolt = <1160000 1160000 1160000>;