diff --git a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
index 979be5a96ba3..93b2e8825397 100644
--- a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
@@ -1182,6 +1182,16 @@ pciec1: pcie@ee800000 {
 			/* placeholder */
 		};
 
+		fdp1@fe940000 {
+			compatible = "renesas,fdp1";
+			reg = <0 0xfe940000 0 0x2400>;
+			interrupts = <GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 119>;
+			power-domains = <&sysc R8A774B1_PD_A3VP>;
+			resets = <&cpg 119>;
+			renesas,fcp = <&fcpf0>;
+		};
+
 		fcpf0: fcp@fe950000 {
 			compatible = "renesas,fcpf";
 			reg = <0 0xfe950000 0 0x200>;