diff --git a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
index 6e89bd126788f..fafb986fe3bcc 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
@@ -270,22 +270,89 @@
 		i2c0: i2c@10058000 {
 			#address-cells = <1>;
 			#size-cells = <0>;
+			compatible = "renesas,riic-r9a07g054", "renesas,riic-rz";
 			reg = <0 0x10058000 0 0x400>;
-			/* place holder */
+			interrupts = <GIC_SPI 350 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 348 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 349 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 352 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 353 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 351 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 354 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "tei", "ri", "ti", "spi", "sti",
+					  "naki", "ali", "tmoi";
+			clocks = <&cpg CPG_MOD R9A07G054_I2C0_PCLK>;
+			clock-frequency = <100000>;
+			resets = <&cpg R9A07G054_I2C0_MRST>;
+			power-domains = <&cpg>;
+			status = "disabled";
 		};
 
 		i2c1: i2c@10058400 {
 			#address-cells = <1>;
 			#size-cells = <0>;
+			compatible = "renesas,riic-r9a07g054", "renesas,riic-rz";
 			reg = <0 0x10058400 0 0x400>;
-			/* place holder */
+			interrupts = <GIC_SPI 358 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 356 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 357 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 360 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 361 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 359 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 362 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "tei", "ri", "ti", "spi", "sti",
+					  "naki", "ali", "tmoi";
+			clocks = <&cpg CPG_MOD R9A07G054_I2C1_PCLK>;
+			clock-frequency = <100000>;
+			resets = <&cpg R9A07G054_I2C1_MRST>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
+
+		i2c2: i2c@10058800 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "renesas,riic-r9a07g054", "renesas,riic-rz";
+			reg = <0 0x10058800 0 0x400>;
+			interrupts = <GIC_SPI 366 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 364 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 365 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 368 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 369 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 367 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 370 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 371 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "tei", "ri", "ti", "spi", "sti",
+					  "naki", "ali", "tmoi";
+			clocks = <&cpg CPG_MOD R9A07G054_I2C2_PCLK>;
+			clock-frequency = <100000>;
+			resets = <&cpg R9A07G054_I2C2_MRST>;
+			power-domains = <&cpg>;
+			status = "disabled";
 		};
 
 		i2c3: i2c@10058c00 {
 			#address-cells = <1>;
 			#size-cells = <0>;
+			compatible = "renesas,riic-r9a07g054", "renesas,riic-rz";
 			reg = <0 0x10058c00 0 0x400>;
-			/* place holder */
+			interrupts = <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 372 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 373 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 377 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 378 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 379 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "tei", "ri", "ti", "spi", "sti",
+					  "naki", "ali", "tmoi";
+			clocks = <&cpg CPG_MOD R9A07G054_I2C3_PCLK>;
+			clock-frequency = <100000>;
+			resets = <&cpg R9A07G054_I2C3_MRST>;
+			power-domains = <&cpg>;
+			status = "disabled";
 		};
 
 		adc: adc@10059000 {