diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index c73eb3771be9..18383db464b0 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -83,4 +83,9 @@
 		interrupt-parent = <&gic>;
 		interrupts = <0 81 0x4>;
 	};
+
+	thermal@ffc48000 {
+		compatible = "renesas,rcar-thermal";
+		reg = <0xffc48000 0x38>;
+	};
 };