diff --git a/arch/arm64/boot/dts/rockchip/rk3566-box-demo-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-box-demo-v10.dtsi
index 68666f597637..10213b62aebf 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-box-demo-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-box-demo-v10.dtsi
@@ -125,6 +125,8 @@
 };
 
 &combphy1_usq {
+	assigned-clocks = <&pmucru CLK_PCIEPHY1_REF>;
+	assigned-clock-rates = <100000000>;
 	status = "okay";
 };