dts/upstream/src/arm64/renesas/white-hawk-ethernet.dtsi

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
 * Device Tree Source for the White Hawk RAVB/Ethernet(1000Base-T1)
 * sub-board
 *
 * Copyright (C) 2022 Glider bv
 */

/ {
	aliases {
		ethernet1 = &avb1;
		ethernet2 = &avb2;
	};
};

&avb1 {
	pinctrl-0 = <&avb1_pins>;
	pinctrl-names = "default";
	phy-handle = <&avb1_phy>;
	status = "okay";

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		reset-gpios = <&gpio6 1 GPIO_ACTIVE_LOW>;
		reset-post-delay-us = <4000>;

		avb1_phy: ethernet-phy@0 {
			compatible = "ethernet-phy-ieee802.3-c45";
			reg = <0>;
			interrupt-parent = <&gpio6>;
			interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
		};
	};
};

&avb2 {
	pinctrl-0 = <&avb2_pins>;
	pinctrl-names = "default";
	phy-handle = <&avb2_phy>;
	status = "okay";

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>;
		reset-post-delay-us = <4000>;

		avb2_phy: ethernet-phy@0 {
			compatible = "ethernet-phy-ieee802.3-c45";
			reg = <0>;
			interrupt-parent = <&gpio5>;
			interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
		};
	};
};

&i2c0 {
	eeprom@53 {
		compatible = "rohm,br24g01", "atmel,24c01";
		label = "ethernet-sub-board-id";
		reg = <0x53>;
		pagesize = <8>;
	};
};

&pfc {
	avb1_pins: avb1 {
		mux {
			groups = "avb1_link", "avb1_mdio", "avb1_rgmii",
				 "avb1_txcrefclk";
			function = "avb1";
		};

		mdio {
			groups = "avb1_mdio";
			drive-strength = <24>;
			bias-disable;
		};

		rgmii {
			groups = "avb1_rgmii";
			drive-strength = <24>;
			bias-disable;
		};

		link {
			groups = "avb1_link";
			bias-disable;
		};
	};

	avb2_pins: avb2 {
		mux {
			groups = "avb2_link", "avb2_mdio", "avb2_rgmii",
				 "avb2_txcrefclk";
			function = "avb2";
		};

		mdio {
			groups = "avb2_mdio";
			drive-strength = <24>;
			bias-disable;
		};

		rgmii {
			groups = "avb2_rgmii";
			drive-strength = <24>;
			bias-disable;
		};

		link {
			groups = "avb2_link";
			bias-disable;
		};
	};
};