arm64: dts: renesas: r8a779a0: Add I2C nodes

Add I2C devicetree description to V3U
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
[wsa: rebased and double checked]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20210121095420.5023-3-wsa+renesas@sang-engineering.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r8a779a0.dtsi

@@ -14,6 +14,16 @@ / {
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aliases {
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		i2c2 = &i2c2;
+		i2c3 = &i2c3;
+		i2c4 = &i2c4;
+		i2c5 = &i2c5;
+		i2c6 = &i2c6;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -250,6 +260,118 @@ sysc: system-controller@e6180000 {
 			#power-domain-cells = <1>;
 		};
 
+		i2c0: i2c@e6500000 {
+			compatible = "renesas,i2c-r8a779a0",
+				     "renesas,rcar-gen3-i2c";
+			reg = <0 0xe6500000 0 0x40>;
+			interrupts = <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 518>;
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 518>;
+			dmas = <&dmac1 0x91>, <&dmac1 0x90>;
+			dma-names = "tx", "rx";
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@e6508000 {
+			compatible = "renesas,i2c-r8a779a0",
+				     "renesas,rcar-gen3-i2c";
+			reg = <0 0xe6508000 0 0x40>;
+			interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 519>;
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 519>;
+			dmas = <&dmac1 0x93>, <&dmac1 0x92>;
+			dma-names = "tx", "rx";
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c2: i2c@e6510000 {
+			compatible = "renesas,i2c-r8a779a0",
+				     "renesas,rcar-gen3-i2c";
+			reg = <0 0xe6510000 0 0x40>;
+			interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 520>;
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 520>;
+			dmas = <&dmac1 0x95>, <&dmac1 0x94>;
+			dma-names = "tx", "rx";
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c3: i2c@e66d0000 {
+			compatible = "renesas,i2c-r8a779a0",
+				     "renesas,rcar-gen3-i2c";
+			reg = <0 0xe66d0000 0 0x40>;
+			interrupts = <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 521>;
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 521>;
+			dmas = <&dmac1 0x97>, <&dmac1 0x96>;
+			dma-names = "tx", "rx";
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c4: i2c@e66d8000 {
+			compatible = "renesas,i2c-r8a779a0",
+				     "renesas,rcar-gen3-i2c";
+			reg = <0 0xe66d8000 0 0x40>;
+			interrupts = <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 522>;
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 522>;
+			dmas = <&dmac1 0x99>, <&dmac1 0x98>;
+			dma-names = "tx", "rx";
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c5: i2c@e66e0000 {
+			compatible = "renesas,i2c-r8a779a0",
+				     "renesas,rcar-gen3-i2c";
+			reg = <0 0xe66e0000 0 0x40>;
+			interrupts = <GIC_SPI 243 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 523>;
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
+			dmas = <&dmac1 0x9b>, <&dmac1 0x9a>;
+			dma-names = "tx", "rx";
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c6: i2c@e66e8000 {
+			compatible = "renesas,i2c-r8a779a0",
+				     "renesas,rcar-gen3-i2c";
+			reg = <0 0xe66e8000 0 0x40>;
+			interrupts = <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 524>;
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 524>;
+			dmas = <&dmac1 0x9d>, <&dmac1 0x9c>;
+			dma-names = "tx", "rx";
+			i2c-scl-internal-delay-ns = <110>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		scif0: serial@e6e60000 {
 			compatible = "renesas,scif-r8a779a0",
 				     "renesas,rcar-gen3-scif", "renesas,scif";