1 /*
2 * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.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 "stm32f746.dtsi"
45 #include "stm32f746-pinctrl.dtsi"
46 #include <dt-bindings/input/input.h>
47 #include <dt-bindings/interrupt-controller/irq.h>
48
49 / {
50 model = "STMicroelectronics STM32746g-EVAL board";
51 compatible = "st,stm32746g-eval", "st,stm32f746";
52
53 chosen {
54 bootargs = "root=/dev/ram";
55 stdout-path = "serial0:115200n8";
56 };
57
58 memory@c0000000 {
59 device_type = "memory";
60 reg = <0xc0000000 0x2000000>;
61 };
62
63 aliases {
64 serial0 = &usart1;
65 };
66
67 leds {
68 compatible = "gpio-leds";
69 led-green {
70 gpios = <&gpiof 10 1>;
71 linux,default-trigger = "heartbeat";
72 };
73 led-orange {
74 gpios = <&stmfx_pinctrl 17 1>;
75 };
76 led-red {
77 gpios = <&gpiob 7 1>;
78 };
79 led-blue {
80 gpios = <&stmfx_pinctrl 19 1>;
81 };
82 };
83
84 gpio-keys {
85 compatible = "gpio-keys";
86 autorepeat;
87 button-0 {
88 label = "Wake up";
89 linux,code = <KEY_WAKEUP>;
90 gpios = <&gpioc 13 0>;
91 };
92 };
93
94 joystick {
95 compatible = "gpio-keys";
96 pinctrl-0 = <&joystick_pins>;
97 pinctrl-names = "default";
98 button-0 {
99 label = "JoySel";
100 linux,code = <KEY_ENTER>;
101 interrupt-parent = <&stmfx_pinctrl>;
102 interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
103 };
104 button-1 {
105 label = "JoyDown";
106 linux,code = <KEY_DOWN>;
107 interrupt-parent = <&stmfx_pinctrl>;
108 interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
109 };
110 button-2 {
111 label = "JoyLeft";
112 linux,code = <KEY_LEFT>;
113 interrupt-parent = <&stmfx_pinctrl>;
114 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
115 };
116 button-3 {
117 label = "JoyRight";
118 linux,code = <KEY_RIGHT>;
119 interrupt-parent = <&stmfx_pinctrl>;
120 interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
121 };
122 button-4 {
123 label = "JoyUp";
124 linux,code = <KEY_UP>;
125 interrupt-parent = <&stmfx_pinctrl>;
126 interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
127 };
128 };
129
130 usbotg_hs_phy: usb-phy {
131 #phy-cells = <0>;
132 compatible = "usb-nop-xceiv";
133 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
134 clock-names = "main_clk";
135 };
136
137 mmc_vcard: mmc_vcard {
138 compatible = "regulator-fixed";
139 regulator-name = "mmc_vcard";
140 regulator-min-microvolt = <3300000>;
141 regulator-max-microvolt = <3300000>;
142 };
143 };
144
145 &clk_hse {
146 clock-frequency = <25000000>;
147 };
148
149 &crc {
150 status = "okay";
151 };
152
153 &i2c1 {
154 pinctrl-0 = <&i2c1_pins_b>;
155 pinctrl-names = "default";
156 i2c-scl-rising-time-ns = <185>;
157 i2c-scl-falling-time-ns = <20>;
158 status = "okay";
159
160 stmfx: stmfx@42 {
161 compatible = "st,stmfx-0300";
162 reg = <0x42>;
163 interrupts = <8 IRQ_TYPE_EDGE_RISING>;
164 interrupt-parent = <&gpioi>;
165
166 stmfx_pinctrl: pinctrl {
167 compatible = "st,stmfx-0300-pinctrl";
168 gpio-controller;
169 #gpio-cells = <2>;
170 interrupt-controller;
171 #interrupt-cells = <2>;
172 gpio-ranges = <&stmfx_pinctrl 0 0 24>;
173
174 joystick_pins: joystick {
175 pins = "gpio0", "gpio1", "gpio2", "gpio3", "gpio4";
176 drive-push-pull;
177 bias-pull-up;
178 };
179 };
180 };
181 };
182
183 &rtc {
184 status = "okay";
185 };
186
187 &sdio1 {
188 status = "okay";
189 vmmc-supply = <&mmc_vcard>;
190 broken-cd;
191 pinctrl-names = "default", "opendrain", "sleep";
192 pinctrl-0 = <&sdio_pins_a>;
193 pinctrl-1 = <&sdio_pins_od_a>;
194 pinctrl-2 = <&sdio_pins_sleep_a>;
195 bus-width = <4>;
196 };
197
198 &timers5 {
199 /* Override timer5 to act as clockevent */
200 compatible = "st,stm32-timer";
201 interrupts = <50>;
202 status = "okay";
203 /delete-property/#address-cells;
204 /delete-property/#size-cells;
205 /delete-property/clock-names;
206 /delete-node/pwm;
207 /delete-node/timer@4;
208 };
209
210 &usart1 {
211 pinctrl-0 = <&usart1_pins_a>;
212 pinctrl-names = "default";
213 status = "okay";
214 };
215
216 &usbotg_hs {
217 dr_mode = "otg";
218 phys = <&usbotg_hs_phy>;
219 phy-names = "usb2-phy";
220 pinctrl-0 = <&usbotg_hs_pins_a>;
221 pinctrl-names = "default";
222 status = "okay";
223 };
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