stm32746g-eval.dts

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    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                 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                 pinctrl-0 = <&joystick_pins>;
   97                 pinctrl-names = "default";
   98                 button-0 {
   99                         label = "JoySel";
  100                         linux,code = <KEY_ENTER>;
  101                         interrupt-parent = <&stmfx_pinctrl>;
  102                         interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
  103                 };
  104                 button-1 {
  105                         label = "JoyDown";
  106                         linux,code = <KEY_DOWN>;
  107                         interrupt-parent = <&stmfx_pinctrl>;
  108                         interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
  109                 };
  110                 button-2 {
  111                         label = "JoyLeft";
  112                         linux,code = <KEY_LEFT>;
  113                         interrupt-parent = <&stmfx_pinctrl>;
  114                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  115                 };
  116                 button-3 {
  117                         label = "JoyRight";
  118                         linux,code = <KEY_RIGHT>;
  119                         interrupt-parent = <&stmfx_pinctrl>;
  120                         interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
  121                 };
  122                 button-4 {
  123                         label = "JoyUp";
  124                         linux,code = <KEY_UP>;
  125                         interrupt-parent = <&stmfx_pinctrl>;
  126                         interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
  127                 };
  128         };
  129 
  130         usbotg_hs_phy: usb-phy {
  131                 #phy-cells = <0>;
  132                 compatible = "usb-nop-xceiv";
  133                 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
  134                 clock-names = "main_clk";
  135         };
  136 
  137         mmc_vcard: mmc_vcard {
  138                 compatible = "regulator-fixed";
  139                 regulator-name = "mmc_vcard";
  140                 regulator-min-microvolt = <3300000>;
  141                 regulator-max-microvolt = <3300000>;
  142         };
  143 };
  144 
  145 &clk_hse {
  146         clock-frequency = <25000000>;
  147 };
  148 
  149 &crc {
  150         status = "okay";
  151 };
  152 
  153 &i2c1 {
  154         pinctrl-0 = <&i2c1_pins_b>;
  155         pinctrl-names = "default";
  156         i2c-scl-rising-time-ns = <185>;
  157         i2c-scl-falling-time-ns = <20>;
  158         status = "okay";
  159 
  160         stmfx: stmfx@42 {
  161                 compatible = "st,stmfx-0300";
  162                 reg = <0x42>;
  163                 interrupts = <8 IRQ_TYPE_EDGE_RISING>;
  164                 interrupt-parent = <&gpioi>;
  165 
  166                 stmfx_pinctrl: pinctrl {
  167                         compatible = "st,stmfx-0300-pinctrl";
  168                         gpio-controller;
  169                         #gpio-cells = <2>;
  170                         interrupt-controller;
  171                         #interrupt-cells = <2>;
  172                         gpio-ranges = <&stmfx_pinctrl 0 0 24>;
  173 
  174                         joystick_pins: joystick {
  175                                 pins = "gpio0", "gpio1", "gpio2", "gpio3", "gpio4";
  176                                 drive-push-pull;
  177                                 bias-pull-up;
  178                         };
  179                 };
  180         };
  181 };
  182 
  183 &rtc {
  184         status = "okay";
  185 };
  186 
  187 &sdio1 {
  188         status = "okay";
  189         vmmc-supply = <&mmc_vcard>;
  190         broken-cd;
  191         pinctrl-names = "default", "opendrain";
  192         pinctrl-0 = <&sdio_pins_a>;
  193         pinctrl-1 = <&sdio_pins_od_a>;
  194         bus-width = <4>;
  195 };
  196 
  197 &timers5 {
  198         /* Override timer5 to act as clockevent */
  199         compatible = "st,stm32-timer";
  200         interrupts = <50>;
  201         status = "okay";
  202         /delete-property/#address-cells;
  203         /delete-property/#size-cells;
  204         /delete-property/clock-names;
  205         /delete-node/pwm;
  206         /delete-node/timer@4;
  207 };
  208 
  209 &usart1 {
  210         pinctrl-0 = <&usart1_pins_a>;
  211         pinctrl-names = "default";
  212         status = "okay";
  213 };
  214 
  215 &usbotg_hs {
  216         dr_mode = "otg";
  217         phys = <&usbotg_hs_phy>;
  218         phy-names = "usb2-phy";
  219         pinctrl-0 = <&usbotg_hs_pins_a>;
  220         pinctrl-names = "default";
  221         status = "okay";
  222 };

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