xref: /OK3568_Linux_fs/kernel/arch/arm/boot/dts/stm32h743i-eval.dts (revision 4882a59341e53eb6f0b4789bf948001014eff981)

/*
 * Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

/dts-v1/;
#include "stm32h743.dtsi"
#include "stm32h743-pinctrl.dtsi"

/ {
	model = "STMicroelectronics STM32H743i-EVAL board";
	compatible = "st,stm32h743i-eval", "st,stm32h743";

	chosen {
		bootargs = "root=/dev/ram";
		stdout-path = "serial0:115200n8";
	};

	memory@d0000000 {
		device_type = "memory";
		reg = <0xd0000000 0x2000000>;
	};

	aliases {
		serial0 = &usart1;
	};

	vdda: regulator-vdda {
		compatible = "regulator-fixed";
		regulator-name = "vdda";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	v2v9_sd: regulator-v2v9_sd {
		compatible = "regulator-fixed";
		regulator-name = "v2v9_sd";
		regulator-min-microvolt = <2900000>;
		regulator-max-microvolt = <2900000>;
		regulator-always-on;
	};

	usbotg_hs_phy: usb-phy {
		#phy-cells = <0>;
		compatible = "usb-nop-xceiv";
		clocks = <&rcc USB1ULPI_CK>;
		clock-names = "main_clk";
	};
};

&adc_12 {
	vdda-supply = <&vdda>;
	vref-supply = <&vdda>;
	status = "okay";
	adc1: adc@0 {
		/* potentiometer */
		st,adc-channels = <0>;
		status = "okay";
	};
};

&clk_hse {
	clock-frequency = <25000000>;
};

&i2c1 {
	pinctrl-0 = <&i2c1_pins_a>;
	pinctrl-names = "default";
	i2c-scl-rising-time-ns = <185>;
	i2c-scl-falling-time-ns = <20>;
	status = "okay";
};

&rtc {
	status = "okay";
};

&mac {
	status = "disabled";
	pinctrl-0	= <&ethernet_rmii>;
	pinctrl-names	= "default";
	phy-mode	= "rmii";
	phy-handle	= <&phy0>;

	mdio0 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "snps,dwmac-mdio";
		phy0: ethernet-phy@0 {
			reg = <0>;
		};
	};
};

&sdmmc1 {
	pinctrl-names = "default", "opendrain", "sleep";
	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
	pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
	broken-cd;
	st,sig-dir;
	st,neg-edge;
	st,use-ckin;
	bus-width = <4>;
	vmmc-supply = <&v2v9_sd>;
	status = "okay";
};

&usart1 {
	pinctrl-0 = <&usart1_pins>;
	pinctrl-names = "default";
	status = "okay";
};

&usbotg_hs {
	pinctrl-0 = <&usbotg_hs_pins_a>;
	pinctrl-names = "default";
	phys = <&usbotg_hs_phy>;
	phy-names = "usb2-phy";
	dr_mode = "otg";
	status = "okay";
};