diff --git a/arch/arm64/boot/dts/rockchip/px30.dtsi b/arch/arm64/boot/dts/rockchip/px30.dtsi
index 7da426170f8d..18e3b1a0ffc0 100644
--- a/arch/arm64/boot/dts/rockchip/px30.dtsi
+++ b/arch/arm64/boot/dts/rockchip/px30.dtsi
@@ -1357,6 +1357,13 @@
 		};
 	};
 
+	rockchip_system_monitor: rockchip-system-monitor {
+		compatible = "rockchip,system-monitor";
+
+		rockchip,thermal-zone = "soc-thermal";
+		rockchip,polling-delay = <200>; /* milliseconds */
+	};
+
 	pinctrl: pinctrl {
 		compatible = "rockchip,px30-pinctrl";
 		rockchip,grf = <&grf>;