diff --git a/arch/arm/boot/dts/omap2420.dtsi b/arch/arm/boot/dts/omap2420.dtsi
index 85b1fb0..2d99798 100644
--- a/arch/arm/boot/dts/omap2420.dtsi
+++ b/arch/arm/boot/dts/omap2420.dtsi
@@ -125,6 +125,14 @@
 			dma-names = "tx", "rx";
 		};
 
+		mailbox: mailbox@48094000 {
+			compatible = "ti,omap2-mailbox";
+			reg = <0x48094000 0x200>;
+			interrupts = <26>, <34>;
+			interrupt-names = "dsp", "iva";
+			ti,hwmods = "mailbox";
+		};
+
 		timer1: timer@48028000 {
 			compatible = "ti,omap2420-timer";
 			reg = <0x48028000 0x400>;