arm64: dts: renesas: r8a774e1: Add Ethernet AVB node

This patch adds the SoC specific part of the Ethernet AVB
device tree node.
Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/1594676120-5862-10-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r8a774e1.dtsi

@@ -695,12 +695,49 @@ ipmmu_vp1: iommu@fe980000 {
 		};
 
 		avb: ethernet@e6800000 {
+			compatible = "renesas,etheravb-r8a774e1",
+				     "renesas,etheravb-rcar-gen3";
 			reg = <0 0xe6800000 0 0x800>;
+			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "ch0", "ch1", "ch2", "ch3",
+					  "ch4", "ch5", "ch6", "ch7",
+					  "ch8", "ch9", "ch10", "ch11",
+					  "ch12", "ch13", "ch14", "ch15",
+					  "ch16", "ch17", "ch18", "ch19",
+					  "ch20", "ch21", "ch22", "ch23",
+					  "ch24";
+			clocks = <&cpg CPG_MOD 812>;
+			power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>;
+			resets = <&cpg 812>;
+			phy-mode = "rgmii";
+			iommus = <&ipmmu_ds0 16>;
 			#address-cells = <1>;
 			#size-cells = <0>;
 			status = "disabled";
-
-			/* placeholder */
 		};
 
 		can0: can@e6c30000 {