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 "stm32f746.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	aliases {
 64		serial0 = &usart1;
 65	};
 66
 67	leds {
 68		compatible = "gpio-leds";
 69		led-green {
 70			gpios = <&gpioj 5 GPIO_ACTIVE_HIGH>;
 71			linux,default-trigger = "heartbeat";
 72		};
 73		led-red {
 74			gpios = <&gpioj 13 GPIO_ACTIVE_HIGH>;
 75		};
 76	};
 77
 78	gpio-keys {
 79		compatible = "gpio-keys";
 80		autorepeat;
 81		button-0 {
 82			label = "User";
 83			linux,code = <KEY_HOME>;
 84			gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
 85		};
 86	};
 87
 88	usbotg_hs_phy: usb-phy {
 89		#phy-cells = <0>;
 90		compatible = "usb-nop-xceiv";
 91		clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
 92		clock-names = "main_clk";
 93	};
 94
 95	mmc_vcard: mmc_vcard {
 96		compatible = "regulator-fixed";
 97		regulator-name = "mmc_vcard";
 98		regulator-min-microvolt = <3300000>;
 99		regulator-max-microvolt = <3300000>;
100	};
101};
102
103&rcc {
104	compatible = "st,stm32f769-rcc", "st,stm32f746-rcc", "st,stm32-rcc";
105};
106
107&cec {
108	pinctrl-0 = <&cec_pins_a>;
109	pinctrl-names = "default";
110	status = "okay";
111};
112
113&clk_hse {
114	clock-frequency = <25000000>;
115};
116
117&i2c1 {
118	pinctrl-0 = <&i2c1_pins_b>;
119	pinctrl-names = "default";
120	i2c-scl-rising-time-ns = <185>;
121	i2c-scl-falling-time-ns = <20>;
122	status = "okay";
123};
124
125&rtc {
126	status = "okay";
127};
128
129&sdio2 {
130	status = "okay";
131	vmmc-supply = <&mmc_vcard>;
132	cd-gpios = <&gpioi 15 GPIO_ACTIVE_LOW>;
133	broken-cd;
134	pinctrl-names = "default", "opendrain";
135	pinctrl-0 = <&sdio_pins_b>;
136	pinctrl-1 = <&sdio_pins_od_b>;
137	bus-width = <4>;
138};
139
140&timers5 {
141	/* Override timer5 to act as clockevent */
142	compatible = "st,stm32-timer";
143	interrupts = <50>;
144	status = "okay";
145	/delete-property/#address-cells;
146	/delete-property/#size-cells;
147	/delete-property/clock-names;
148	/delete-node/pwm;
149	/delete-node/timer@4;
150};
151
152&usart1 {
153	pinctrl-0 = <&usart1_pins_a>;
154	pinctrl-names = "default";
155	status = "okay";
156};
157
158&usbotg_hs {
159	dr_mode = "otg";
160	phys = <&usbotg_hs_phy>;
161	phy-names = "usb2-phy";
162	pinctrl-0 = <&usbotg_hs_pins_a>;
163	pinctrl-names = "default";
164	status = "okay";
165};