diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index ed9a68538a55..13926fc7abfa 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -294,7 +294,7 @@ thermal: thermal@e61f0000 {
 		compatible =	"renesas,thermal-r8a7790",
 				"renesas,rcar-gen2-thermal",
 				"renesas,rcar-thermal";
-		reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>;
+		reg = <0 0xe61f0000 0 0x10>, <0 0xe61f0100 0 0x38>;
 		interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cpg CPG_MOD 522>;
 		power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;