diff --git a/arch/arm64/boot/dts/rockchip/rk3528.dtsi b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
index 68f254452f7c..b94c8dc8af72 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -2095,6 +2095,7 @@
 				pinctrl-0 = <&fephym0_led_link &fephym0_led_spd>;
 				nvmem-cells = <&macphy_txlevel>;
 				nvmem-cell-names = "txlevel";
+				rockchip,thermal-zone = "soc-thermal";
 			};
 		};