diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index b66307742894..5e91dc1d2b9b 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -819,6 +819,10 @@ pvt: pvt@fffff4e000 {
 			reg-names = "common", "ts", "pd", "vm";
 			clocks = <&aonsys_clk>;
 			#thermal-sensor-cells = <1>;
+			moortec,ts-coeff-g = <42740>;
+			moortec,ts-coeff-h = <220500>;
+			moortec,ts-coeff-j = <(-160)>;
+			moortec,ts-coeff-cal5 = <4094>;
 		};
 
 		gpio@fffff52000 {