diff --git a/arch/arm64/boot/dts/rockchip/rk3399-excavator-sapphire.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-excavator-sapphire.dtsi
index bcb529fb8bd4..962078081cae 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-excavator-sapphire.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-excavator-sapphire.dtsi
@@ -155,7 +155,7 @@
 		1894    3012     528000
 		3013    99999    800000
 	>;
-
+	auto-freq-en = <1>;
 	auto-min-freq = <200000>;
 };