1/* 2 * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.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/interrupt-controller/irq.h> 48 49/ { 50 model = "STMicroelectronics STM32746g-EVAL board"; 51 compatible = "st,stm32746g-eval", "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 0x2000000>; 61 }; 62 63 aliases { 64 serial0 = &usart1; 65 }; 66 67 leds { 68 compatible = "gpio-leds"; 69 led-green { 70 gpios = <&gpiof 10 1>; 71 linux,default-trigger = "heartbeat"; 72 }; 73 led-orange { 74 gpios = <&stmfx_pinctrl 17 1>; 75 }; 76 led-red { 77 gpios = <&gpiob 7 1>; 78 }; 79 led-blue { 80 gpios = <&stmfx_pinctrl 19 1>; 81 }; 82 }; 83 84 gpio_keys { 85 compatible = "gpio-keys"; 86 #address-cells = <1>; 87 #size-cells = <0>; 88 autorepeat; 89 button@0 { 90 label = "Wake up"; 91 linux,code = <KEY_WAKEUP>; 92 gpios = <&gpioc 13 0>; 93 }; 94 }; 95 96 joystick { 97 compatible = "gpio-keys"; 98 pinctrl-0 = <&joystick_pins>; 99 pinctrl-names = "default"; 100 button-0 { 101 label = "JoySel"; 102 linux,code = <KEY_ENTER>; 103 interrupt-parent = <&stmfx_pinctrl>; 104 interrupts = <0 IRQ_TYPE_EDGE_FALLING>; 105 }; 106 button-1 { 107 label = "JoyDown"; 108 linux,code = <KEY_DOWN>; 109 interrupt-parent = <&stmfx_pinctrl>; 110 interrupts = <1 IRQ_TYPE_EDGE_FALLING>; 111 }; 112 button-2 { 113 label = "JoyLeft"; 114 linux,code = <KEY_LEFT>; 115 interrupt-parent = <&stmfx_pinctrl>; 116 interrupts = <2 IRQ_TYPE_EDGE_FALLING>; 117 }; 118 button-3 { 119 label = "JoyRight"; 120 linux,code = <KEY_RIGHT>; 121 interrupt-parent = <&stmfx_pinctrl>; 122 interrupts = <3 IRQ_TYPE_EDGE_FALLING>; 123 }; 124 button-4 { 125 label = "JoyUp"; 126 linux,code = <KEY_UP>; 127 interrupt-parent = <&stmfx_pinctrl>; 128 interrupts = <4 IRQ_TYPE_EDGE_FALLING>; 129 }; 130 }; 131 132 usbotg_hs_phy: usb-phy { 133 #phy-cells = <0>; 134 compatible = "usb-nop-xceiv"; 135 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>; 136 clock-names = "main_clk"; 137 }; 138 139 mmc_vcard: mmc_vcard { 140 compatible = "regulator-fixed"; 141 regulator-name = "mmc_vcard"; 142 regulator-min-microvolt = <3300000>; 143 regulator-max-microvolt = <3300000>; 144 }; 145}; 146 147&clk_hse { 148 clock-frequency = <25000000>; 149}; 150 151&crc { 152 status = "okay"; 153}; 154 155&i2c1 { 156 pinctrl-0 = <&i2c1_pins_b>; 157 pinctrl-names = "default"; 158 i2c-scl-rising-time-ns = <185>; 159 i2c-scl-falling-time-ns = <20>; 160 status = "okay"; 161 162 stmfx: stmfx@42 { 163 compatible = "st,stmfx-0300"; 164 reg = <0x42>; 165 interrupts = <8 IRQ_TYPE_EDGE_RISING>; 166 interrupt-parent = <&gpioi>; 167 168 stmfx_pinctrl: pinctrl { 169 compatible = "st,stmfx-0300-pinctrl"; 170 gpio-controller; 171 #gpio-cells = <2>; 172 interrupt-controller; 173 #interrupt-cells = <2>; 174 gpio-ranges = <&stmfx_pinctrl 0 0 24>; 175 176 joystick_pins: joystick { 177 pins = "gpio0", "gpio1", "gpio2", "gpio3", "gpio4"; 178 drive-push-pull; 179 bias-pull-up; 180 }; 181 }; 182 }; 183}; 184 185&rtc { 186 status = "okay"; 187}; 188 189&sdio1 { 190 status = "okay"; 191 vmmc-supply = <&mmc_vcard>; 192 broken-cd; 193 pinctrl-names = "default", "opendrain"; 194 pinctrl-0 = <&sdio_pins_a>; 195 pinctrl-1 = <&sdio_pins_od_a>; 196 bus-width = <4>; 197}; 198 199&usart1 { 200 pinctrl-0 = <&usart1_pins_a>; 201 pinctrl-names = "default"; 202 status = "okay"; 203}; 204 205&usbotg_hs { 206 dr_mode = "otg"; 207 phys = <&usbotg_hs_phy>; 208 phy-names = "usb2-phy"; 209 pinctrl-0 = <&usbotg_hs_pins_a>; 210 pinctrl-names = "default"; 211 status = "okay"; 212}; 213
