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		reg = <0xd0000000 0x2000000>;
58	};
59
60	aliases {
61		serial0 = &usart1;
62	};
63
64	vdda: regulator-vdda {
65		compatible = "regulator-fixed";
66		regulator-name = "vdda";
67		regulator-min-microvolt = <3300000>;
68		regulator-max-microvolt = <3300000>;
69		regulator-always-on;
70	};
71
72	usbotg_hs_phy: usb-phy {
73		#phy-cells = <0>;
74		compatible = "usb-nop-xceiv";
75		clocks = <&rcc USB1ULPI_CK>;
76		clock-names = "main_clk";
77	};
78
79};
80
81&adc_12 {
82	vref-supply = <&vdda>;
83	status = "okay";
84	adc1: adc@0 {
85		/* potentiometer */
86		st,adc-channels = <0>;
87		status = "okay";
88	};
89};
90
91&clk_hse {
92	clock-frequency = <25000000>;
93};
94
95&i2c1 {
96	pinctrl-0 = <&i2c1_pins_a>;
97	pinctrl-names = "default";
98	i2c-scl-rising-time-ns = <185>;
99	i2c-scl-falling-time-ns = <20>;
100	status = "okay";
101};
102
103&rtc {
104	status = "okay";
105};
106
107&usart1 {
108	pinctrl-0 = <&usart1_pins>;
109	pinctrl-names = "default";
110	status = "okay";
111};
112
113&usbotg_hs {
114	pinctrl-0 = <&usbotg_hs_pins_a>;
115	pinctrl-names = "default";
116	phys = <&usbotg_hs_phy>;
117	phy-names = "usb2-phy";
118	dr_mode = "otg";
119	status = "okay";
120};
121