diff --git a/arch/arm/dts/imx6ull.dtsi b/arch/arm/dts/imx6ull.dtsi
index 28b8422..f8ec649 100644
--- a/arch/arm/dts/imx6ull.dtsi
+++ b/arch/arm/dts/imx6ull.dtsi
@@ -1026,6 +1026,14 @@
 				status = "disabled";
 			};
 
+			wdog3: wdog@021e4000 {
+				compatible = "fsl,imx6ul-wdt", "fsl,imx21-wdt";
+				reg = <0x021e4000 0x4000>;
+				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clks IMX6UL_CLK_WDOG3>;
+				status = "disabled";
+			};
+
 			uart2: serial@021e8000 {
 				compatible = "fsl,imx6ul-uart",
 					     "fsl,imx6q-uart", "fsl,imx21-uart";