diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index 6abf44d257df..85542c2f34b1 100644
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -178,7 +178,7 @@
 
 		wdt: watchdog-timer@20300 {
 			compatible = "marvell,orion-wdt";
-			reg = <0x20300 0x28>;
+			reg = <0x20300 0x28>, <0x20108 0x4>;
 			interrupt-parent = <&bridge_intc>;
 			interrupts = <3>;
 			clocks = <&gate_clk 7>;