diff --git a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
index 60e150320ce8..d64fb8b1b86c 100644
--- a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
@@ -2317,6 +2317,23 @@ sdhi3: mmc@ee160000 {
 			status = "disabled";
 		};
 
+		rpc: spi@ee200000 {
+			compatible = "renesas,r8a774a1-rpc-if",
+				     "renesas,rcar-gen3-rpc-if";
+			reg = <0 0xee200000 0 0x200>,
+			      <0 0x08000000 0 0x4000000>,
+			      <0 0xee208000 0 0x100>;
+			reg-names = "regs", "dirmap", "wbuf";
+			interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 917>;
+			clock-names = "rpc";
+			power-domains = <&sysc R8A774A1_PD_ALWAYS_ON>;
+			resets = <&cpg 917>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@f1010000 {
 			compatible = "arm,gic-400";
 			#interrupt-cells = <3>;
diff --git a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
index 20003a41a706..5b05474dc272 100644
--- a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
@@ -2175,6 +2175,23 @@ sdhi3: mmc@ee160000 {
 			status = "disabled";
 		};
 
+		rpc: spi@ee200000 {
+			compatible = "renesas,r8a774b1-rpc-if",
+				     "renesas,rcar-gen3-rpc-if";
+			reg = <0 0xee200000 0 0x200>,
+			      <0 0x08000000 0 0x4000000>,
+			      <0 0xee208000 0 0x100>;
+			reg-names = "regs", "dirmap", "wbuf";
+			interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 917>;
+			clock-names = "rpc";
+			power-domains = <&sysc R8A774B1_PD_ALWAYS_ON>;
+			resets = <&cpg 917>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		sata: sata@ee300000 {
 			compatible = "renesas,sata-r8a774b1",
 				     "renesas,rcar-gen3-sata";
diff --git a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
index e0e54342cd4c..20fa3caa050e 100644
--- a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
@@ -1654,6 +1654,23 @@ sdhi3: mmc@ee160000 {
 			status = "disabled";
 		};
 
+		rpc: spi@ee200000 {
+			compatible = "renesas,r8a774c0-rpc-if",
+				     "renesas,rcar-gen3-rpc-if";
+			reg = <0 0xee200000 0 0x200>,
+			      <0 0x08000000 0 0x4000000>,
+			      <0 0xee208000 0 0x100>;
+			reg-names = "regs", "dirmap", "wbuf";
+			interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 917>;
+			clock-names = "rpc";
+			power-domains = <&sysc R8A774C0_PD_ALWAYS_ON>;
+			resets = <&cpg 917>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@f1010000 {
 			compatible = "arm,gic-400";
 			#interrupt-cells = <3>;
diff --git a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi
index 2e6c12a46daf..8eb006cbd9af 100644
--- a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi
@@ -2408,6 +2408,23 @@ sdhi3: mmc@ee160000 {
 			status = "disabled";
 		};
 
+		rpc: spi@ee200000 {
+			compatible = "renesas,r8a774e1-rpc-if",
+				     "renesas,rcar-gen3-rpc-if";
+			reg = <0 0xee200000 0 0x200>,
+			      <0 0x08000000 0 0x4000000>,
+			      <0 0xee208000 0 0x100>;
+			reg-names = "regs", "dirmap", "wbuf";
+			interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 917>;
+			clock-names = "rpc";
+			power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>;
+			resets = <&cpg 917>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		sata: sata@ee300000 {
 			compatible = "renesas,sata-r8a774e1",
 				     "renesas,rcar-gen3-sata";