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 = <&ltdc_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&ltdc {
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};