white-hawk-ethernet.dtsi

  1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2/*
  3 * Device Tree Source for the White Hawk RAVB/Ethernet(1000Base-T1)
  4 * sub-board
  5 *
  6 * Copyright (C) 2022 Glider bv
  7 */
  8
  9/ {
 10	aliases {
 11		ethernet1 = &avb1;
 12		ethernet2 = &avb2;
 13	};
 14};
 15
 16&avb1 {
 17	pinctrl-0 = <&avb1_pins>;
 18	pinctrl-names = "default";
 19	phy-handle = <&avb1_phy>;
 20	status = "okay";
 21
 22	mdio {
 23		#address-cells = <1>;
 24		#size-cells = <0>;
 25
 26		reset-gpios = <&gpio6 1 GPIO_ACTIVE_LOW>;
 27		reset-post-delay-us = <4000>;
 28
 29		avb1_phy: ethernet-phy@0 {
 30			compatible = "ethernet-phy-ieee802.3-c45";
 31			reg = <0>;
 32			interrupts-extended = <&gpio6 3 IRQ_TYPE_LEVEL_LOW>;
 33		};
 34	};
 35};
 36
 37&avb2 {
 38	pinctrl-0 = <&avb2_pins>;
 39	pinctrl-names = "default";
 40	phy-handle = <&avb2_phy>;
 41	status = "okay";
 42
 43	mdio {
 44		#address-cells = <1>;
 45		#size-cells = <0>;
 46
 47		reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>;
 48		reset-post-delay-us = <4000>;
 49
 50		avb2_phy: ethernet-phy@0 {
 51			compatible = "ethernet-phy-ieee802.3-c45";
 52			reg = <0>;
 53			interrupts-extended = <&gpio5 4 IRQ_TYPE_LEVEL_LOW>;
 54		};
 55	};
 56};
 57
 58&i2c0 {
 59	eeprom@53 {
 60		compatible = "rohm,br24g01", "atmel,24c01";
 61		label = "ethernet-sub-board-id";
 62		reg = <0x53>;
 63		pagesize = <8>;
 64	};
 65};
 66
 67&pfc {
 68	avb1_pins: avb1 {
 69		mux {
 70			groups = "avb1_link", "avb1_mdio", "avb1_rgmii",
 71				 "avb1_txcrefclk";
 72			function = "avb1";
 73		};
 74
 75		mdio {
 76			groups = "avb1_mdio";
 77			drive-strength = <24>;
 78			bias-disable;
 79		};
 80
 81		rgmii {
 82			groups = "avb1_rgmii";
 83			drive-strength = <24>;
 84			bias-disable;
 85		};
 86
 87		link {
 88			groups = "avb1_link";
 89			bias-disable;
 90		};
 91	};
 92
 93	avb2_pins: avb2 {
 94		mux {
 95			groups = "avb2_link", "avb2_mdio", "avb2_rgmii",
 96				 "avb2_txcrefclk";
 97			function = "avb2";
 98		};
 99
100		mdio {
101			groups = "avb2_mdio";
102			drive-strength = <24>;
103			bias-disable;
104		};
105
106		rgmii {
107			groups = "avb2_rgmii";
108			drive-strength = <24>;
109			bias-disable;
110		};
111
112		link {
113			groups = "avb2_link";
114			bias-disable;
115		};
116	};
117};