diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 3005308a1807ca43ab51d24b334b180b49041641..9d3bb74bd3f684d5e2b374a6505ede4369629cc4 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -590,6 +590,11 @@
 		};
 	};
 
+	prr: chipid@ff000044 {
+		compatible = "renesas,prr";
+		reg = <0xff000044 4>;
+	};
+
 	sysc: system-controller@ffd85000 {
 		compatible = "renesas,r8a7779-sysc";
 		reg = <0xffd85000 0x0200>;