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&usart1 {
113	pinctrl-0 = <&usart1_pins_b>;
114	pinctrl-names = "default";
115	status = "okay";
116};
117
118&usbotg_fs {
119	dr_mode = "host";
120	pinctrl-0 = <&usbotg_fs_pins_a>;
121	pinctrl-names = "default";
122	status = "okay";
123};
124
125&usbotg_hs {
126	dr_mode = "host";
127	phys = <&usbotg_hs_phy>;
128	phy-names = "usb2-phy";
129	pinctrl-0 = <&usbotg_hs_pins_b>;
130	pinctrl-names = "default";
131	status = "okay";
132};
133