diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
index 474373559bdcdb3b321cd5cce7efda18b7bd1adc..c8dbf148c69c14e8f3ac791b4753c4d3ee178d20 100644
--- a/arch/arm/boot/dts/r8a7778.dtsi
+++ b/arch/arm/boot/dts/r8a7778.dtsi
@@ -32,4 +32,9 @@
 		reg = <0xfe438000 0x1000>,
 		      <0xfe430000 0x100>;
 	};
+
+	pfc: pfc@fffc0000 {
+		compatible = "renesas,pfc-r8a7778";
+		reg = <0xfffc000 0x118>;
+	};
 };