diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 9d22238..723fd43 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -4,6 +4,12 @@
 	compatible = "nvidia,tegra20";
 	interrupt-parent = <&intc>;
 
+	timer@50004600 {
+		compatible = "arm,cortex-a9-twd-timer";
+		reg = <0x50040600 0x20>;
+		interrupts = <1 13 0x304>;
+	};
+
 	intc: interrupt-controller {
 		compatible = "arm,cortex-a9-gic";
 		reg = <0x50041000 0x1000
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index ffb035a..15e61b6 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -4,6 +4,12 @@
 	compatible = "nvidia,tegra30";
 	interrupt-parent = <&intc>;
 
+	timer@50004600 {
+		compatible = "arm,cortex-a9-twd-timer";
+		reg = <0x50040600 0x20>;
+		interrupts = <1 13 0xf04>;
+	};
+
 	intc: interrupt-controller {
 		compatible = "arm,cortex-a9-gic";
 		reg = <0x50041000 0x1000