diff --git a/arch/arm64/boot/dts/sprd/whale2.dtsi b/arch/arm64/boot/dts/sprd/whale2.dtsi
index 3dc63895afd0..f2cdf4df036b 100644
--- a/arch/arm64/boot/dts/sprd/whale2.dtsi
+++ b/arch/arm64/boot/dts/sprd/whale2.dtsi
@@ -141,6 +141,15 @@ pin_controller: pinctrl@402a0000 {
 				compatible = "sprd,sc9860-pinctrl";
 				reg = <0 0x402a0000 0 0x10000>;
 			};
+
+			watchdog@40310000 {
+				compatible = "sprd,sp9860-wdt";
+				reg = <0 0x40310000 0 0x1000>;
+				interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
+				timeout-sec = <12>;
+				clock-names = "enable";
+				clocks = <&aon_gate CLK_APCPU_WDG_EB>;
+			};
 		};
 	};