diff --git a/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
index 757e6ccb02ea..b4060bae5c6f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
@@ -177,6 +177,7 @@
 };
 
 &dmc {
+	auto-freq-en = <0>;
 	center-supply = <&vdd_fixed>;
 	status = "okay";
 };