u-boot-brain/arch/arm/dts/armada-3720-turris-mox.dts

// SPDX-License-Identifier: GPL-2.0+ or X11
/*
 * Device Tree file for CZ.NIC Turris Mox Board
 * 2018 by Marek Behun <marek.behun@nic.cz>
 *
 * Based on armada-3720-espressobin.dts by:
 *   Gregory CLEMENT <gregory.clement@free-electrons.com>
 *   Konstantin Porotchkin <kostap@marvell.com>
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include "armada-372x.dtsi"

/ {
	model = "CZ.NIC Turris Mox Board";
	compatible = "cznic,turris-mox", "marvell,armada3720",
		     "marvell,armada3710";

	chosen {
		stdout-path = "serial0:115200n8";
	};

	aliases {
		ethernet0 = &eth0;
		ethernet1 = &eth1;
		i2c0 = &i2c0;
		spi0 = &spi0;
	};

	memory {
		device_type = "memory";
		reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
	};

	leds {
		compatible = "gpio-leds";

		led {
			gpios = <&gpiosb 21 GPIO_ACTIVE_LOW>;
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_ACTIVITY;
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		reset {
			compatible = "gpio-keys";
			label = "reset";
			linux,code = <KEY_RESTART>;
			gpios = <&gpiosb 20 GPIO_ACTIVE_LOW>;
			debounce-interval = <60>;
		};
	};

	reg_usb3_vbus: usb3_vbus@0 {
		compatible = "regulator-fixed";
		regulator-name = "usb3-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		startup-delay-us = <2000000>;
		shutdown-delay-us = <1000000>;
		gpio = <&gpiosb 0 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-boot-on;
	};

	vsdc_reg: vsdc-reg {
		compatible = "regulator-gpio";
		regulator-name = "vsdc";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;

		gpios = <&gpiosb 23 GPIO_ACTIVE_HIGH>;
		gpios-states = <0>;
		states = <1800000 0x1
			  3300000 0x0>;
		enable-active-high;
	};

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

		eth_phy1: ethernet-phy@1 {
			reg = <1>;
		};
	};
};

&comphy {
	max-lanes = <3>;
	phy0 {
		phy-type = <COMPHY_TYPE_SGMII1>;
		phy-speed = <COMPHY_SPEED_3_125G>;
	};

	phy1 {
		phy-type = <COMPHY_TYPE_PEX0>;
		phy-speed = <COMPHY_SPEED_5G>;
	};

	phy2 {
		phy-type = <COMPHY_TYPE_USB3_HOST0>;
		phy-speed = <COMPHY_SPEED_5G>;
	};
};

&eth0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&rgmii_pins>, <&smi_pins>;
	phy-mode = "rgmii";
	phy = <&eth_phy1>;
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c1_pins>;
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;

	rtc@6f {
		compatible = "microchip,mcp7941x";
		reg = <0x6f>;
	};
};

&sdhci1 {
	wp-inverted;
	bus-width = <4>;
	cd-gpios = <&gpionb 10 GPIO_ACTIVE_HIGH>;
	vqmmc-supply = <&vsdc_reg>;
	marvell,pad-type = "sd";
	status = "okay";
};

&pinctrl_nb {
	spi_cs1_pins: spi-cs1-pins {
		groups = "spi_cs1";
		function = "spi";
	};
};

&spi0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&spi_cs1_pins>;
	assigned-clocks = <&nb_periph_clk 7>;
	assigned-clock-parents = <&tbg 1>;
	assigned-clock-rates = <20000000>;

	spi-flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "st,s25fl064l", "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <20000000>;
		m25p,fast-read;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "secure-firmware";
				reg = <0x0 0x20000>;
			};

			partition@20000 {
				label = "a53-firmware";
				reg = <0x20000 0x160000>;
			};

			partition@180000 {
				label = "u-boot-env";
				reg = <0x180000 0x10000>;
			};

			partition@190000 {
				label = "Rescue system";
				reg = <0x190000 0x660000>;
			};

			partition@7f0000 {
				label = "dtb";
				reg = <0x7f0000 0x10000>;
			};
		};
	};

	moxtet@1 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "cznic,moxtet";
		reg = <1>;
		reset-gpios = <&gpiosb 2 GPIO_ACTIVE_LOW>;
		spi-max-frequency = <1000000>;
		spi-cpol;
		spi-cpha;
	};
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_pins>;
	status = "okay";
};

&usb2 {
	status = "okay";
};

&usb3 {
	vbus-supply = <&reg_usb3_vbus>;
	status = "okay";
};

&pcie0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pcie_pins>;
	reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
	status = "disabled";
};