arch/arm/boot/dts/stm32746g-eval.dts

   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 {
  59                 device_type = "memory";
  60                 reg = <0xc0000000 0x2000000>;
  61         };
  62
  63         aliases {
  64                 serial0 = &usart1;
  65         };
  66
  67         leds {
  68                 compatible = "gpio-leds";
  69                 green {
  70                         gpios = <&gpiof 10 1>;
  71                         linux,default-trigger = "heartbeat";
  72                 };
  73                 orange {
  74                         gpios = <&stmfx_pinctrl 17 1>;
  75                 };
  76                 red {
  77                         gpios = <&gpiob 7 1>;
  78                 };
  79                 blue {
  80                         gpios = <&stmfx_pinctrl 19 1>;
  81                 };
  82         };
  83
  84         gpio-keys {
  85                 compatible = "gpio-keys";
  86                 autorepeat;
  87                 button-0 {
  88                         label = "Wake up";
  89                         linux,code = <KEY_WAKEUP>;
  90                         gpios = <&gpioc 13 0>;
  91                 };
  92         };
  93
  94         joystick {
  95                 compatible = "gpio-keys";
  96                 #size-cells = <0>;
  97                 pinctrl-0 = <&joystick_pins>;
  98                 pinctrl-names = "default";
  99                 button-0 {
 100                         label = "JoySel";
 101                         linux,code = <KEY_ENTER>;
 102                         interrupt-parent = <&stmfx_pinctrl>;
 103                         interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
 104                 };
 105                 button-1 {
 106                         label = "JoyDown";
 107                         linux,code = <KEY_DOWN>;
 108                         interrupt-parent = <&stmfx_pinctrl>;
 109                         interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
 110                 };
 111                 button-2 {
 112                         label = "JoyLeft";
 113                         linux,code = <KEY_LEFT>;
 114                         interrupt-parent = <&stmfx_pinctrl>;
 115                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
 116                 };
 117                 button-3 {
 118                         label = "JoyRight";
 119                         linux,code = <KEY_RIGHT>;
 120                         interrupt-parent = <&stmfx_pinctrl>;
 121                         interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
 122                 };
 123                 button-4 {
 124                         label = "JoyUp";
 125                         linux,code = <KEY_UP>;
 126                         interrupt-parent = <&stmfx_pinctrl>;
 127                         interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
 128                 };
 129         };
 130
 131         usbotg_hs_phy: usb-phy {
 132                 #phy-cells = <0>;
 133                 compatible = "usb-nop-xceiv";
 134                 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
 135                 clock-names = "main_clk";
 136         };
 137
 138         mmc_vcard: mmc_vcard {
 139                 compatible = "regulator-fixed";
 140                 regulator-name = "mmc_vcard";
 141                 regulator-min-microvolt = <3300000>;
 142                 regulator-max-microvolt = <3300000>;
 143         };
 144 };
 145
 146 &clk_hse {
 147         clock-frequency = <25000000>;
 148 };
 149
 150 &crc {
 151         status = "okay";
 152 };
 153
 154 &i2c1 {
 155         pinctrl-0 = <&i2c1_pins_b>;
 156         pinctrl-names = "default";
 157         i2c-scl-rising-time-ns = <185>;
 158         i2c-scl-falling-time-ns = <20>;
 159         status = "okay";
 160
 161         stmfx: stmfx@42 {
 162                 compatible = "st,stmfx-0300";
 163                 reg = <0x42>;
 164                 interrupts = <8 IRQ_TYPE_EDGE_RISING>;
 165                 interrupt-parent = <&gpioi>;
 166
 167                 stmfx_pinctrl: stmfx-pin-controller {
 168                         compatible = "st,stmfx-0300-pinctrl";
 169                         gpio-controller;
 170                         #gpio-cells = <2>;
 171                         interrupt-controller;
 172                         #interrupt-cells = <2>;
 173                         gpio-ranges = <&stmfx_pinctrl 0 0 24>;
 174
 175                         joystick_pins: joystick {
 176                                 pins = "gpio0", "gpio1", "gpio2", "gpio3", "gpio4";
 177                                 drive-push-pull;
 178                                 bias-pull-up;
 179                         };
 180                 };
 181         };
 182 };
 183
 184 &rtc {
 185         status = "okay";
 186 };
 187
 188 &sdio1 {
 189         status = "okay";
 190         vmmc-supply = <&mmc_vcard>;
 191         broken-cd;
 192         pinctrl-names = "default", "opendrain";
 193         pinctrl-0 = <&sdio_pins_a>;
 194         pinctrl-1 = <&sdio_pins_od_a>;
 195         bus-width = <4>;
 196 };
 197
 198 &usart1 {
 199         pinctrl-0 = <&usart1_pins_a>;
 200         pinctrl-names = "default";
 201         status = "okay";
 202 };
 203
 204 &usbotg_hs {
 205         dr_mode = "otg";
 206         phys = <&usbotg_hs_phy>;
 207         phy-names = "usb2-phy";
 208         pinctrl-0 = <&usbotg_hs_pins_a>;
 209         pinctrl-names = "default";
 210         status = "okay";
 211 };