File: imx8mp-verdin-dev.dtsi

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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/*
 * Copyright 2022 Toradex
 */

#include "imx8mp-verdin-dahlia.dtsi"

/ {
	/* TODO: Audio Codec */

	reg_eth2phy: regulator-eth2phy {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio_expander_21 4 GPIO_ACTIVE_HIGH>; /* ETH_PWR_EN */
		off-on-delay = <500000>;
		regulator-max-microvolt = <3300000>;
		regulator-min-microvolt = <3300000>;
		regulator-name = "+V3.3_ETH";
		startup-delay-us = <200000>;
		vin-supply = <&reg_3p3v>;
	};
};

&fec {
	phy-supply = <&reg_eth2phy>;
	status = "okay";
};

&gpio_expander_21 {
	status = "okay";
	vcc-supply = <&reg_1p8v>;
};

/* TODO: Verdin I2C_1 with Audio Codec */

/* Verdin UART_1, connector X50 through RS485 transceiver */
&uart1 {
	linux,rs485-enabled-at-boot-time;
	rs485-rts-active-low;
	rs485-rx-during-tx;
};

/* Limit frequency on dev board due to long traces and bad signal integrity */
&usdhc2 {
	max-frequency = <100000000>;
};