diff --git a/arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts b/arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts
index 4a43bfd0ced6..9117a3c754ea 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts
+++ b/arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts
@@ -30,6 +30,10 @@ timing0: 240x320 {
 				vback-porch = <7>;
 				vsync-len = <1>;
 				vfront-porch = <9>;
+				pixelclk-active = <1>;
+				hsync-active = <1>;
+				vsync-active = <1>;
+				de-active = <0>;
 			};
 		};
 	};