ARM: sunxi: Add sunxi restart function via onchip watchdog

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/arch/arm/boot/dts/sunxi.dtsi b/arch/arm/boot/dts/sunxi.dtsi
index 8284fbd..8bbc2bf 100644
--- a/arch/arm/boot/dts/sunxi.dtsi
+++ b/arch/arm/boot/dts/sunxi.dtsi
@@ -42,11 +42,16 @@
 
 		timer@01c20c00 {
 			compatible = "allwinner,sunxi-timer";
-			reg = <0x01c20c00 0x400>;
+			reg = <0x01c20c00 0x90>;
 			interrupts = <22>;
 			clocks = <&osc>;
 		};
 
+		wdt: watchdog@01c20c90 {
+			compatible = "allwinner,sunxi-wdt";
+			reg = <0x01c20c90 0x10>;
+		};
+
 		intc: interrupt-controller@01c20400 {
 			compatible = "allwinner,sunxi-ic";
 			reg = <0x01c20400 0x400>;