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Patrice Chotard46b1e542017-12-12 09:49:32 +01001/*
2 * Copyright (C) 2015, STMicroelectronics - All Rights Reserved
3 * Author(s): Maxime Coquelin <mcoquelin.stm32@gmail.com> for STMicroelectronics.
4 *
5 * This file is dual-licensed: you can use it either under the terms
6 * of the GPL or the X11 license, at your option. Note that this dual
7 * licensing only applies to this file, and not this project as a
8 * whole.
9 *
10 * a) This file is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of the
13 * License, or (at your option) any later version.
14 *
15 * This file is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * Or, alternatively,
21 *
22 * b) Permission is hereby granted, free of charge, to any person
23 * obtaining a copy of this software and associated documentation
24 * files (the "Software"), to deal in the Software without
25 * restriction, including without limitation the rights to use,
26 * copy, modify, merge, publish, distribute, sublicense, and/or
27 * sell copies of the Software, and to permit persons to whom the
28 * Software is furnished to do so, subject to the following
29 * conditions:
30 *
31 * The above copyright notice and this permission notice shall be
32 * included in all copies or substantial portions of the Software.
33 *
34 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
35 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
36 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
37 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
38 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
39 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
40 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
41 * OTHER DEALINGS IN THE SOFTWARE.
42 */
43
44/dts-v1/;
45#include "stm32f429.dtsi"
46#include "stm32f429-pinctrl.dtsi"
47#include <dt-bindings/input/input.h>
48
49/ {
50 model = "STMicroelectronics STM32F429i-DISCO board";
51 compatible = "st,stm32f429i-disco", "st,stm32f429";
52
53 chosen {
54 bootargs = "root=/dev/ram";
55 stdout-path = "serial0:115200n8";
56 };
57
58 memory {
59 reg = <0x90000000 0x800000>;
60 };
61
62 aliases {
63 serial0 = &usart1;
64 };
65
66 leds {
67 compatible = "gpio-leds";
68 red {
69 gpios = <&gpiog 14 0>;
70 };
71 green {
72 gpios = <&gpiog 13 0>;
73 linux,default-trigger = "heartbeat";
74 };
75 };
76
77 gpio_keys {
78 compatible = "gpio-keys";
79 #address-cells = <1>;
80 #size-cells = <0>;
81 autorepeat;
82 button@0 {
83 label = "User";
84 linux,code = <KEY_HOME>;
85 gpios = <&gpioa 0 0>;
86 };
87 };
88
89 /* This turns on vbus for otg for host mode (dwc2) */
90 vcc5v_otg: vcc5v-otg-regulator {
91 compatible = "regulator-fixed";
92 gpio = <&gpioc 4 0>;
93 regulator-name = "vcc5_host1";
94 regulator-always-on;
95 };
96};
97
98&clk_hse {
99 clock-frequency = <8000000>;
100};
101
102&crc {
103 status = "okay";
104};
105
106&rtc {
107 assigned-clocks = <&rcc 1 CLK_RTC>;
108 assigned-clock-parents = <&rcc 1 CLK_LSI>;
109 status = "okay";
110};
111
112&usart1 {
113 pinctrl-0 = <&usart1_pins_a>;
114 pinctrl-names = "default";
115 status = "okay";
116};
117
118&usbotg_hs {
119 compatible = "st,stm32f4x9-fsotg";
120 dr_mode = "host";
121 pinctrl-0 = <&usbotg_fs_pins_b>;
122 pinctrl-names = "default";
123 status = "okay";
124};