diff --git a/arch/arm/boot/dts/imx50.dtsi b/arch/arm/boot/dts/imx50.dtsi
index 339294df0399..74f49b4aed1a 100644
--- a/arch/arm/boot/dts/imx50.dtsi
+++ b/arch/arm/boot/dts/imx50.dtsi
@@ -331,6 +331,7 @@ uart2: serial@53fc0000 {
 			src: src@53fd0000 {
 				compatible = "fsl,imx50-src", "fsl,imx51-src";
 				reg = <0x53fd0000 0x4000>;
+				interrupts = <75>;
 				#reset-cells = <1>;
 			};