1 /*
2 * Copyright 2017 - Vikas MANOCHA <vikas.manocha@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 "stm32f769.dtsi"
45 #include "stm32f769-pinctrl.dtsi"
46 #include <dt-bindings/input/input.h>
47 #include <dt-bindings/gpio/gpio.h>
48
49 / {
50 model = "STMicroelectronics STM32F769-DISCO board";
51 compatible = "st,stm32f769-disco", "st,stm32f769";
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 0x1000000>;
61 };
62
63 reserved-memory {
64 #address-cells = <1>;
65 #size-cells = <1>;
66 ranges;
67
68 linux,dma {
69 compatible = "shared-dma-pool";
70 linux,dma-default;
71 no-map;
72 size = <0x100000>;
73 };
74 };
75
76 aliases {
77 serial0 = &usart1;
78 };
79
80 leds {
81 compatible = "gpio-leds";
82 led-green {
83 gpios = <&gpioj 5 GPIO_ACTIVE_HIGH>;
84 linux,default-trigger = "heartbeat";
85 };
86 led-red {
87 gpios = <&gpioj 13 GPIO_ACTIVE_HIGH>;
88 };
89 };
90
91 gpio-keys {
92 compatible = "gpio-keys";
93 autorepeat;
94 button-0 {
95 label = "User";
96 linux,code = <KEY_HOME>;
97 gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
98 };
99 };
100
101 usbotg_hs_phy: usb-phy {
102 #phy-cells = <0>;
103 compatible = "usb-nop-xceiv";
104 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
105 clock-names = "main_clk";
106 };
107
108 vcc_3v3: vcc-3v3 {
109 compatible = "regulator-fixed";
110 regulator-name = "vcc_3v3";
111 regulator-min-microvolt = <3300000>;
112 regulator-max-microvolt = <3300000>;
113 };
114 };
115
116 &rcc {
117 compatible = "st,stm32f769-rcc", "st,stm32f746-rcc", "st,stm32-rcc";
118 };
119
120 &cec {
121 pinctrl-0 = <&cec_pins_a>;
122 pinctrl-names = "default";
123 status = "okay";
124 };
125
126 &clk_hse {
127 clock-frequency = <25000000>;
128 };
129
130 &dsi {
131 #address-cells = <1>;
132 #size-cells = <0>;
133 status = "okay";
134
135 ports {
136 #address-cells = <1>;
137 #size-cells = <0>;
138
139 port@0 {
140 reg = <0>;
141 dsi_in: endpoint {
142 remote-endpoint = <<dc_out_dsi>;
143 };
144 };
145
146 port@1 {
147 reg = <1>;
148 dsi_out: endpoint {
149 remote-endpoint = <&dsi_panel_in>;
150 };
151 };
152 };
153
154 panel0: panel@0 {
155 compatible = "orisetech,otm8009a";
156 reg = <0>; /* dsi virtual channel (0..3) */
157 reset-gpios = <&gpioj 15 GPIO_ACTIVE_LOW>;
158 power-supply = <&vcc_3v3>;
159 status = "okay";
160
161 port {
162 dsi_panel_in: endpoint {
163 remote-endpoint = <&dsi_out>;
164 };
165 };
166 };
167 };
168
169 &i2c1 {
170 pinctrl-0 = <&i2c1_pins_b>;
171 pinctrl-names = "default";
172 i2c-scl-rising-time-ns = <185>;
173 i2c-scl-falling-time-ns = <20>;
174 status = "okay";
175 };
176
177 <dc {
178 status = "okay";
179
180 port {
181 ltdc_out_dsi: endpoint {
182 remote-endpoint = <&dsi_in>;
183 };
184 };
185 };
186
187 &rtc {
188 status = "okay";
189 };
190
191 &sdio2 {
192 status = "okay";
193 vmmc-supply = <&vcc_3v3>;
194 cd-gpios = <&gpioi 15 GPIO_ACTIVE_LOW>;
195 broken-cd;
196 pinctrl-names = "default", "opendrain", "sleep";
197 pinctrl-0 = <&sdio_pins_b>;
198 pinctrl-1 = <&sdio_pins_od_b>;
199 pinctrl-2 = <&sdio_pins_sleep_b>;
200 bus-width = <4>;
201 };
202
203 &timers5 {
204 /* Override timer5 to act as clockevent */
205 compatible = "st,stm32-timer";
206 interrupts = <50>;
207 status = "okay";
208 /delete-property/#address-cells;
209 /delete-property/#size-cells;
210 /delete-property/clock-names;
211 /delete-node/pwm;
212 /delete-node/timer@4;
213 };
214
215 &usart1 {
216 pinctrl-0 = <&usart1_pins_a>;
217 pinctrl-names = "default";
218 status = "okay";
219 };
220
221 &usbotg_hs {
222 dr_mode = "otg";
223 phys = <&usbotg_hs_phy>;
224 phy-names = "usb2-phy";
225 pinctrl-0 = <&usbotg_hs_pins_a>;
226 pinctrl-names = "default";
227 status = "okay";
228 };
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