diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index cfa5178..08c96e7 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -546,6 +546,7 @@
 		pinctrl-0 = <&otp_gpio>;
 		pinctrl-1 = <&otp_out>;
 		pinctrl-2 = <&otp_gpio>;
+		rockchip,grf = <&grf>;
 		#thermal-sensor-cells = <1>;
 		rockchip,hw-tshut-temp = <95000>;
 		status = "disabled";
@@ -1297,7 +1298,18 @@
 		clocks = <&cru ACLK_GPU>;
 		operating-points-v2 = <&gpu_opp_table>;
 		power-domains = <&power RK3288_PD_GPU>;
+		#cooling-cells = <2>; /* min followed by max */
 		status = "disabled";
+
+		gpu_power_model: power_model {
+			compatible = "arm,mali-simple-power-model";
+			voltage = <950>;
+			frequency = <500>;
+			static-power = <300>;
+			dynamic-power = <396>;
+			ts = <32000 4700 (-80) 2>;
+			thermal-zone = "gpu_thermal";
+		};
 	};
 
 	gpu_opp_table: gpu-opp-table {