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* Renesas Electronics Ethernet AVB

This file provides information on what the device node for the Ethernet AVB
interface contains.

Required properties:
- compatible: "renesas,etheravb-r8a7790" if the device is a part of R8A7790 SoC.
	      "renesas,etheravb-r8a7791" if the device is a part of R8A7791 SoC.
	      "renesas,etheravb-r8a7792" if the device is a part of R8A7792 SoC.
	      "renesas,etheravb-r8a7793" if the device is a part of R8A7793 SoC.
	      "renesas,etheravb-r8a7794" if the device is a part of R8A7794 SoC.
	      "renesas,etheravb-r8a7795" if the device is a part of R8A7795 SoC.
	      "renesas,etheravb-r8a7796" if the device is a part of R8A7796 SoC.
	      "renesas,etheravb-rcar-gen2" for generic R-Car Gen 2 compatible interface.
	      "renesas,etheravb-rcar-gen3" for generic R-Car Gen 3 compatible interface.

	      When compatible with the generic version, nodes must list the
	      SoC-specific version corresponding to the platform first
	      followed by the generic version.

- reg: offset and length of (1) the register block and (2) the stream buffer.
- interrupts: A list of interrupt-specifiers, one for each entry in
	      interrupt-names.
	      If interrupt-names is not present, an interrupt specifier
	      for a single muxed interrupt.
- phy-mode: see ethernet.txt file in the same directory.
- phy-handle: see ethernet.txt file in the same directory.
- #address-cells: number of address cells for the MDIO bus, must be equal to 1.
- #size-cells: number of size cells on the MDIO bus, must be equal to 0.
- clocks: clock phandle and specifier pair.
- pinctrl-0: phandle, referring to a default pin configuration node.

Optional properties:
- interrupt-parent: the phandle for the interrupt controller that services
		    interrupts for this device.
- interrupt-names: A list of interrupt names.
		   For the R8A779[56] SoCs this property is mandatory;
		   it should include one entry per channel, named "ch%u",
		   where %u is the channel number ranging from 0 to 24.
		   For other SoCs this property is optional; if present
		   it should contain "mux" for a single muxed interrupt.
- pinctrl-names: pin configuration state name ("default").
- renesas,no-ether-link: boolean, specify when a board does not provide a proper
			 AVB_LINK signal.
- renesas,ether-link-active-low: boolean, specify when the AVB_LINK signal is
				 active-low instead of normal active-high.

Example:

	ethernet@e6800000 {
		compatible = "renesas,etheravb-r8a7795", "renesas,etheravb-rcar-gen3";
		reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
		interrupt-parent = <&gic>;
		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 = <&cpg>;
		phy-mode = "rgmii-id";
		phy-handle = <&phy0>;

		pinctrl-0 = <&ether_pins>;
		pinctrl-names = "default";
		renesas,no-ether-link;
		#address-cells = <1>;
		#size-cells = <0>;

		phy0: ethernet-phy@0 {
			rxc-skew-ps = <900>;
			rxdv-skew-ps = <0>;
			rxd0-skew-ps = <0>;
			rxd1-skew-ps = <0>;
			rxd2-skew-ps = <0>;
			rxd3-skew-ps = <0>;
			txc-skew-ps = <900>;
			txen-skew-ps = <0>;
			txd0-skew-ps = <0>;
			txd1-skew-ps = <0>;
			txd2-skew-ps = <0>;
			txd3-skew-ps = <0>;
			reg = <0>;
			interrupt-parent = <&gpio2>;
			interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
		};
	};