diff --git a/arch/arm64/boot/dts/rockchip/rk3368-p9.dtsi b/arch/arm64/boot/dts/rockchip/rk3368-p9.dtsi
index ea4e4b22e910..2f1273ef62c8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368-p9.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368-p9.dtsi
@@ -743,6 +743,7 @@
 				hsync-active = <0>;
 				vsync-active = <0>;
 				de-active = <0>;
+				pixelclk-active = <0>;
 			};
 		};
 	};
diff --git a/arch/arm64/boot/dts/rockchip/rk3368-xikp.dtsi b/arch/arm64/boot/dts/rockchip/rk3368-xikp.dtsi
index c7d273e5477c..69c8be9fe4cd 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368-xikp.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368-xikp.dtsi
@@ -795,6 +795,7 @@
 				hsync-active = <0>;
 				vsync-active = <0>;
 				de-active = <0>;
+				pixelclk-active = <0>;
 			};
 		};
 	};