diff --git a/arch/arm64/boot/dts/rockchip/rk3399pro-npu.dtsi b/arch/arm64/boot/dts/rockchip/rk3399pro-npu.dtsi
index 04d8b075f776..561805dd43d9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399pro-npu.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399pro-npu.dtsi
@@ -33,6 +33,7 @@
 			clocks = <&cru ARMCLK>;
 			operating-points-v2 = <&cpu0_opp_table>;
 			dynamic-power-coefficient = <74>;
+			#cooling-cells = <2>;
 		};
 
 		cpu1: cpu@1 {