diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index efc440a..f86cd0d 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -142,6 +142,52 @@
 			       <&muxcontroller1>;
 		mux-control-names = "mux0", "mux1", "mux2", "mux3", "mux4";
 		mux-syscon = <&syscon3>;
+		display-timings {
+			timing0: 240x320 {
+				clock-frequency = <6500000>;
+				hactive = <240>;
+				vactive = <320>;
+				hfront-porch = <6>;
+				hback-porch = <7>;
+				hsync-len = <1>;
+				vback-porch = <5>;
+				vfront-porch = <8>;
+				vsync-len = <2>;
+				hsync-active = <1>;
+				vsync-active = <0>;
+				de-active = <1>;
+				pixelclk-active = <1>;
+				interlaced;
+				doublescan;
+				doubleclk;
+			};
+			timing1: 480x800 {
+				clock-frequency = <9000000>;
+				hactive = <480>;
+				vactive = <800>;
+				hfront-porch = <10>;
+				hback-porch = <59>;
+				hsync-len = <12>;
+				vback-porch = <15>;
+				vfront-porch = <17>;
+				vsync-len = <16>;
+				hsync-active = <0>;
+				vsync-active = <1>;
+				de-active = <0>;
+				pixelclk-active = <0>;
+			};
+			timing2: 800x480 {
+				clock-frequency = <33500000>;
+				hactive = <800>;
+				vactive = <480>;
+				hback-porch = <89>;
+				hfront-porch = <164>;
+				vback-porch = <23>;
+				vfront-porch = <10>;
+				hsync-len = <11>;
+				vsync-len = <13>;
+			};
+		};
 	};
 
 	junk {