diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index 8cb6b6acb27e56adce985a74eaacb13d5fa0bff3..5f9c0a0dcc5af8e5ccb138938fff386655e6f066 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -182,6 +182,7 @@
 			};
 
 			lradc@80050000 {
+				fsl,lradc-touchscreen-wires = <4>;
 				status = "okay";
 			};