ARM: dts: imx53: add display timing for NL12880BC20

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx53-tx53-x13x.dts

@@ -203,7 +203,23 @@
 				hsync-active = <0>;
 				vsync-active = <0>;
 				de-active = <1>;
-				pixelclk-active = <0>;
+				pixelclk-active = <1>;
+			};
+
+			lvds0_timing1: nl12880bc20 {
+				clock-frequency = <71000000>;
+				hactive = <1280>;
+				vactive = <800>;
+				hback-porch = <50>;
+				hsync-len = <60>;
+				hfront-porch = <50>;
+				vback-porch = <5>;
+				vsync-len = <13>;
+				vfront-porch = <5>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <1>;
+				pixelclk-active = <1>;
 			};
 		};
 	};
@@ -229,7 +245,7 @@
 				hsync-active = <0>;
 				vsync-active = <0>;
 				de-active = <1>;
-				pixelclk-active = <0>;
+				pixelclk-active = <1>;
 			};
 		};
 	};