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 "stm32f746-pinctrl.dtsi"
 46#include <dt-bindings/input/input.h>
 47#include <dt-bindings/gpio/gpio.h>
 48
 49/ {
 50	model = "STMicroelectronics STM32F746-DISCO board";
 51	compatible = "st,stm32f746-disco", "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 0x800000>;
 61	};
 62
 63	aliases {
 64		serial0 = &usart1;
 65	};
 66
 67	usbotg_hs_phy: usb-phy {
 68		#phy-cells = <0>;
 69		compatible = "usb-nop-xceiv";
 70		clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
 71		clock-names = "main_clk";
 72	};
 73
 74	/* This turns on vbus for otg fs for host mode (dwc2) */
 75	vcc5v_otg_fs: vcc5v-otg-fs-regulator {
 76		compatible = "regulator-fixed";
 77		gpio = <&gpiod 5 0>;
 78		regulator-name = "vcc5_host1";
 79		regulator-always-on;
 80	};
 81
 82	mmc_vcard: mmc_vcard {
 83		compatible = "regulator-fixed";
 84		regulator-name = "mmc_vcard";
 85		regulator-min-microvolt = <3300000>;
 86		regulator-max-microvolt = <3300000>;
 87	};
 88};
 89
 90&clk_hse {
 91	clock-frequency = <25000000>;
 92};
 93
 94&i2c1 {
 95	pinctrl-0 = <&i2c1_pins_b>;
 96	pinctrl-names = "default";
 97	i2c-scl-rising-time-ns = <185>;
 98	i2c-scl-falling-time-ns = <20>;
 99	status = "okay";
100};
101
102&sdio1 {
103	status = "okay";
104	vmmc-supply = <&mmc_vcard>;
105	cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
106	pinctrl-names = "default", "opendrain";
107	pinctrl-0 = <&sdio_pins_a>;
108	pinctrl-1 = <&sdio_pins_od_a>;
109	bus-width = <4>;
110};
111
112&timers5 {
113	/* Override timer5 to act as clockevent */
114	compatible = "st,stm32-timer";
115	interrupts = <50>;
116	status = "okay";
117	/delete-property/#address-cells;
118	/delete-property/#size-cells;
119	/delete-property/clock-names;
120	/delete-node/pwm;
121	/delete-node/timer@4;
122};
123
124&usart1 {
125	pinctrl-0 = <&usart1_pins_b>;
126	pinctrl-names = "default";
127	status = "okay";
128};
129
130&usbotg_fs {
131	dr_mode = "host";
132	pinctrl-0 = <&usbotg_fs_pins_a>;
133	pinctrl-names = "default";
134	status = "okay";
135};
136
137&usbotg_hs {
138	dr_mode = "host";
139	phys = <&usbotg_hs_phy>;
140	phy-names = "usb2-phy";
141	pinctrl-0 = <&usbotg_hs_pins_b>;
142	pinctrl-names = "default";
143	status = "okay";
144};