diff --git a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
index e062f5eed638..067a26a66c24 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi
@@ -72,6 +72,94 @@ scif0: serial@1004b800 {
 			status = "disabled";
 		};
 
+		i2c0: i2c@10090000 {
+			compatible = "renesas,riic-r9a08g045", "renesas,riic-r9a09g057";
+			reg = <0 0x10090000 0 0x400>;
+			interrupts = <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 263 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 260 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "tei", "ri", "ti", "spi", "sti",
+					  "naki", "ali", "tmoi";
+			clocks = <&cpg CPG_MOD R9A08G045_I2C0_PCLK>;
+			clock-frequency = <100000>;
+			resets = <&cpg R9A08G045_I2C0_MRST>;
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@10090400 {
+			compatible = "renesas,riic-r9a08g045", "renesas,riic-r9a09g057";
+			reg = <0 0x10090400 0 0x400>;
+			interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 271 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 272 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 269 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 270 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "tei", "ri", "ti", "spi", "sti",
+					  "naki", "ali", "tmoi";
+			clocks = <&cpg CPG_MOD R9A08G045_I2C1_PCLK>;
+			clock-frequency = <100000>;
+			resets = <&cpg R9A08G045_I2C1_MRST>;
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c2: i2c@10090800 {
+			compatible = "renesas,riic-r9a08g045", "renesas,riic-r9a09g057";
+			reg = <0 0x10090800 0 0x400>;
+			interrupts = <GIC_SPI 273 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 279 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 280 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 275 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 276 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 274 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 277 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "tei", "ri", "ti", "spi", "sti",
+					  "naki", "ali", "tmoi";
+			clocks = <&cpg CPG_MOD R9A08G045_I2C2_PCLK>;
+			clock-frequency = <100000>;
+			resets = <&cpg R9A08G045_I2C2_MRST>;
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c3: i2c@10090c00 {
+			compatible = "renesas,riic-r9a08g045", "renesas,riic-r9a09g057";
+			reg = <0 0x10090c00 0 0x400>;
+			interrupts = <GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 287 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 288 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 284 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 285 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 286 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "tei", "ri", "ti", "spi", "sti",
+					  "naki", "ali", "tmoi";
+			clocks = <&cpg CPG_MOD R9A08G045_I2C3_PCLK>;
+			clock-frequency = <100000>;
+			resets = <&cpg R9A08G045_I2C3_MRST>;
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		cpg: clock-controller@11010000 {
 			compatible = "renesas,r9a08g045-cpg";
 			reg = <0 0x11010000 0 0x10000>;