_ov_board_eth0-10-100_ccmp15-dvk.dts

/*
 * Copyright 2022,2023 Digi International Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>

/dts-v1/;
/plugin/;

/ {
	fragment@0 {
		target-path = "/";
		__overlay__ {
			overlay-description = "DVK: Ethernet 10/100";
		};
	};

	fragment@1 {
		target = <&ethernet0>;
		__overlay__ {
			pinctrl-names = "default", "sleep";
			pinctrl-0 = <&ethernet0_rmii_pins_a>;
			pinctrl-1 = <&ethernet0_rmii_sleep_pins_a>;
			phy-mode = "rmii";
			max-speed = <100>;
			phy-handle = <&phy0>;
			phy-supply = <&v3v3>;
			st,eth-ref-clk-sel = <1>;
			st,ext-phyclk = <1>;

			mdio0 {
				#address-cells = <1>;
				#size-cells = <0>;
				compatible = "snps,dwmac-mdio";

				phy0: ethernet-phy@0 {
					reg = <0>;
					compatible = "ethernet-phy-ieee802.3-c22";
					smsc,disable-energy-detect;
					reset-gpios = <&gpiog 0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
					reset-assert-us = <1000>;
					reset-deassert-us = <2000>;
					interrupt-parent = <&gpioc>;
					interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
				};
			};
		};
	};
};