1/*
  2 * Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
  3 *
  4 * This file is dual-licensed: you can use it either under the terms
  5 * of the GPL or the X11 license, at your option. Note that this dual
  6 * licensing only applies to this file, and not this project as a
  7 * whole.
  8 *
  9 *  a) This file is free software; you can redistribute it and/or
 10 *     modify it under the terms of the GNU General Public License as
 11 *     published by the Free Software Foundation; either version 2 of the
 12 *     License, or (at your option) any later version.
 13 *
 14 *     This file is distributed in the hope that it will be useful,
 15 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 16 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17 *     GNU General Public License for more details.
 18 *
 19 * Or, alternatively,
 20 *
 21 *  b) Permission is hereby granted, free of charge, to any person
 22 *     obtaining a copy of this software and associated documentation
 23 *     files (the "Software"), to deal in the Software without
 24 *     restriction, including without limitation the rights to use,
 25 *     copy, modify, merge, publish, distribute, sublicense, and/or
 26 *     sell copies of the Software, and to permit persons to whom the
 27 *     Software is furnished to do so, subject to the following
 28 *     conditions:
 29 *
 30 *     The above copyright notice and this permission notice shall be
 31 *     included in all copies or substantial portions of the Software.
 32 *
 33 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 34 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 35 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 36 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 37 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 38 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 39 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 40 *     OTHER DEALINGS IN THE SOFTWARE.
 41 */
 42
 43/dts-v1/;
 44#include "stm32h743.dtsi"
 45#include "stm32h743-pinctrl.dtsi"
 46
 47/ {
 48	model = "STMicroelectronics STM32H743i-EVAL board";
 49	compatible = "st,stm32h743i-eval", "st,stm32h743";
 50
 51	chosen {
 52		bootargs = "root=/dev/ram";
 53		stdout-path = "serial0:115200n8";
 54	};
 55
 56	memory {
 57		device_type = "memory";
 58		reg = <0xd0000000 0x2000000>;
 59	};
 60
 61	aliases {
 62		serial0 = &usart1;
 63	};
 64
 65	vdda: regulator-vdda {
 66		compatible = "regulator-fixed";
 67		regulator-name = "vdda";
 68		regulator-min-microvolt = <3300000>;
 69		regulator-max-microvolt = <3300000>;
 70		regulator-always-on;
 71	};
 72
 73	v2v9_sd: regulator-v2v9_sd {
 74		compatible = "regulator-fixed";
 75		regulator-name = "v2v9_sd";
 76		regulator-min-microvolt = <2900000>;
 77		regulator-max-microvolt = <2900000>;
 78		regulator-always-on;
 79	};
 80
 81	usbotg_hs_phy: usb-phy {
 82		#phy-cells = <0>;
 83		compatible = "usb-nop-xceiv";
 84		clocks = <&rcc USB1ULPI_CK>;
 85		clock-names = "main_clk";
 86	};
 87};
 88
 89&adc_12 {
 90	vdda-supply = <&vdda>;
 91	vref-supply = <&vdda>;
 92	status = "okay";
 93	adc1: adc@0 {
 94		/* potentiometer */
 95		st,adc-channels = <0>;
 96		status = "okay";
 97	};
 98};
 99
100&clk_hse {
101	clock-frequency = <25000000>;
102};
103
104&i2c1 {
105	pinctrl-0 = <&i2c1_pins_a>;
106	pinctrl-names = "default";
107	i2c-scl-rising-time-ns = <185>;
108	i2c-scl-falling-time-ns = <20>;
109	status = "okay";
110};
111
112&rtc {
113	status = "okay";
114};
115
116&mac {
117	status = "disabled";
118	pinctrl-0	= <&ethernet_rmii>;
119	pinctrl-names	= "default";
120	phy-mode	= "rmii";
121	phy-handle	= <&phy0>;
122
123	mdio0 {
124		#address-cells = <1>;
125		#size-cells = <0>;
126		compatible = "snps,dwmac-mdio";
127		phy0: ethernet-phy@0 {
128			reg = <0>;
129		};
130	};
131};
132
133&sdmmc1 {
134	pinctrl-names = "default", "opendrain", "sleep";
135	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
136	pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
137	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
138	broken-cd;
139	st,sig-dir;
140	st,neg-edge;
141	st,use-ckin;
142	bus-width = <4>;
143	vmmc-supply = <&v2v9_sd>;
144	status = "okay";
145};
146
147&usart1 {
148	pinctrl-0 = <&usart1_pins>;
149	pinctrl-names = "default";
150	status = "okay";
151};
152
153&usbotg_hs {
154	pinctrl-0 = <&usbotg_hs_pins_a>;
155	pinctrl-names = "default";
156	phys = <&usbotg_hs_phy>;
157	phy-names = "usb2-phy";
158	dr_mode = "otg";
159	status = "okay";
160};