1 /*
2 * Copyright 2016 - Lee Jones <lee.jones@linaro.org>
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 * You should have received a copy of the GNU General Public
20 * License along with this file; if not, write to the Free
21 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
22 * MA 02110-1301 USA
23 *
24 * Or, alternatively,
25 *
26 * b) Permission is hereby granted, free of charge, to any person
27 * obtaining a copy of this software and associated documentation
28 * files (the "Software"), to deal in the Software without
29 * restriction, including without limitation the rights to use,
30 * copy, modify, merge, publish, distribute, sublicense, and/or
31 * sell copies of the Software, and to permit persons to whom the
32 * Software is furnished to do so, subject to the following
33 * conditions:
34 *
35 * The above copyright notice and this permission notice shall be
36 * included in all copies or substantial portions of the Software.
37 *
38 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
39 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
40 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
41 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
42 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
43 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
44 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
45 * OTHER DEALINGS IN THE SOFTWARE.
46 */
47
48 /dts-v1/;
49 #include "stm32f469.dtsi"
50 #include "stm32f469-pinctrl.dtsi"
51 #include <dt-bindings/gpio/gpio.h>
52 #include <dt-bindings/input/input.h>
53
54 / {
55 model = "STMicroelectronics STM32F469i-DISCO board";
56 compatible = "st,stm32f469i-disco", "st,stm32f469";
57
58 chosen {
59 bootargs = "root=/dev/ram";
60 stdout-path = "serial0:115200n8";
61 };
62
63 memory@0 {
64 device_type = "memory";
65 reg = <0x00000000 0x1000000>;
66 };
67
68 aliases {
69 serial0 = &usart3;
70 };
71
72 vcc_3v3: vcc-3v3 {
73 compatible = "regulator-fixed";
74 regulator-name = "vcc_3v3";
75 regulator-min-microvolt = <3300000>;
76 regulator-max-microvolt = <3300000>;
77 };
78
79 soc {
80 dma-ranges = <0xc0000000 0x0 0x10000000>;
81 };
82
83 leds {
84 compatible = "gpio-leds";
85 led-green {
86 gpios = <&gpiog 6 GPIO_ACTIVE_LOW>;
87 linux,default-trigger = "heartbeat";
88 };
89 led-orange {
90 gpios = <&gpiod 4 GPIO_ACTIVE_LOW>;
91 };
92 led-red {
93 gpios = <&gpiod 5 GPIO_ACTIVE_LOW>;
94 };
95 led-blue {
96 gpios = <&gpiok 3 GPIO_ACTIVE_LOW>;
97 };
98 };
99
100 gpio-keys {
101 compatible = "gpio-keys";
102 autorepeat;
103 button-0 {
104 label = "User";
105 linux,code = <KEY_WAKEUP>;
106 gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
107 };
108 };
109
110 /* This turns on vbus for otg for host mode (dwc2) */
111 vcc5v_otg: vcc5v-otg-regulator {
112 compatible = "regulator-fixed";
113 enable-active-high;
114 gpio = <&gpiob 2 GPIO_ACTIVE_HIGH>;
115 regulator-name = "vcc5_host1";
116 regulator-always-on;
117 };
118 };
119
120 &rcc {
121 compatible = "st,stm32f469-rcc", "st,stm32f42xx-rcc", "st,stm32-rcc";
122 };
123
124 &clk_hse {
125 clock-frequency = <8000000>;
126 };
127
128 &dma2d {
129 status = "okay";
130 };
131
132 &dsi {
133 #address-cells = <1>;
134 #size-cells = <0>;
135 status = "okay";
136
137 ports {
138 #address-cells = <1>;
139 #size-cells = <0>;
140
141 port@0 {
142 reg = <0>;
143 dsi_in: endpoint {
144 remote-endpoint = <<dc_out_dsi>;
145 };
146 };
147
148 port@1 {
149 reg = <1>;
150 dsi_out: endpoint {
151 remote-endpoint = <&dsi_panel_in>;
152 };
153 };
154 };
155
156 panel@0 {
157 compatible = "orisetech,otm8009a";
158 reg = <0>; /* dsi virtual channel (0..3) */
159 reset-gpios = <&gpioh 7 GPIO_ACTIVE_LOW>;
160 power-supply = <&vcc_3v3>;
161 status = "okay";
162
163 port {
164 dsi_panel_in: endpoint {
165 remote-endpoint = <&dsi_out>;
166 };
167 };
168 };
169 };
170
171 <dc {
172 status = "okay";
173
174 port {
175 ltdc_out_dsi: endpoint {
176 remote-endpoint = <&dsi_in>;
177 };
178 };
179 };
180
181 &rtc {
182 status = "okay";
183 };
184
185 &timers1 {
186 status = "okay";
187
188 pwm {
189 pinctrl-0 = <&pwm1_pins>;
190 pinctrl-names = "default";
191 status = "okay";
192 };
193
194 timer@0 {
195 status = "okay";
196 };
197 };
198
199 &timers3 {
200 status = "okay";
201
202 pwm {
203 pinctrl-0 = <&pwm3_pins>;
204 pinctrl-names = "default";
205 status = "okay";
206 };
207
208 timer@2 {
209 status = "okay";
210 };
211 };
212
213 &sdio {
214 status = "okay";
215 vmmc-supply = <&vcc_3v3>;
216 cd-gpios = <&gpiog 2 GPIO_ACTIVE_LOW>;
217 broken-cd;
218 pinctrl-names = "default", "opendrain";
219 pinctrl-0 = <&sdio_pins>;
220 pinctrl-1 = <&sdio_pins_od>;
221 bus-width = <4>;
222 };
223
224 &timers5 {
225 /* Override timer5 to act as clockevent */
226 compatible = "st,stm32-timer";
227 interrupts = <50>;
228 status = "okay";
229 /delete-property/#address-cells;
230 /delete-property/#size-cells;
231 /delete-property/clock-names;
232 /delete-node/pwm;
233 /delete-node/timer@4;
234 };
235
236 &usart3 {
237 pinctrl-0 = <&usart3_pins_a>;
238 pinctrl-names = "default";
239 status = "okay";
240 };
241
242 &usbotg_fs {
243 dr_mode = "host";
244 pinctrl-0 = <&usbotg_fs_pins_a>;
245 pinctrl-names = "default";
246 status = "okay";
247 };
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