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
  48 / {
  49         model = "STMicroelectronics STM32746g-EVAL board";
  50         compatible = "st,stm32746g-eval", "st,stm32f746";
  51
  52         chosen {
  53                 bootargs = "root=/dev/ram";
  54                 stdout-path = "serial0:115200n8";
  55         };
  56
  57         memory {
  58                 reg = <0xc0000000 0x2000000>;
  59         };
  60
  61         aliases {
  62                 serial0 = &usart1;
  63         };
  64
  65         leds {
  66                 compatible = "gpio-leds";
  67                 green {
  68                         gpios = <&gpiof 10 1>;
  69                         linux,default-trigger = "heartbeat";
  70                 };
  71                 red {
  72                         gpios = <&gpiob 7 1>;
  73                 };
  74         };
  75
  76         gpio_keys {
  77                 compatible = "gpio-keys";
  78                 #address-cells = <1>;
  79                 #size-cells = <0>;
  80                 autorepeat;
  81                 button@0 {
  82                         label = "Wake up";
  83                         linux,code = <KEY_WAKEUP>;
  84                         gpios = <&gpioc 13 0>;
  85                 };
  86         };
  87
  88         usbotg_hs_phy: usb-phy {
  89                 #phy-cells = <0>;
  90                 compatible = "usb-nop-xceiv";
  91                 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
  92                 clock-names = "main_clk";
  93         };
  94
  95         mmc_vcard: mmc_vcard {
  96                 compatible = "regulator-fixed";
  97                 regulator-name = "mmc_vcard";
  98                 regulator-min-microvolt = <3300000>;
  99                 regulator-max-microvolt = <3300000>;
 100         };
 101 };
 102
 103 &clk_hse {
 104         clock-frequency = <25000000>;
 105 };
 106
 107 &crc {
 108         status = "okay";
 109 };
 110
 111 &i2c1 {
 112         pinctrl-0 = <&i2c1_pins_b>;
 113         pinctrl-names = "default";
 114         i2c-scl-rising-time-ns = <185>;
 115         i2c-scl-falling-time-ns = <20>;
 116         status = "okay";
 117 };
 118
 119 &rtc {
 120         status = "okay";
 121 };
 122
 123 &sdio1 {
 124         status = "okay";
 125         vmmc-supply = <&mmc_vcard>;
 126         broken-cd;
 127         pinctrl-names = "default", "opendrain";
 128         pinctrl-0 = <&sdio_pins_a>;
 129         pinctrl-1 = <&sdio_pins_od_a>;
 130         bus-width = <4>;
 131 };
 132
 133 &usart1 {
 134         pinctrl-0 = <&usart1_pins_a>;
 135         pinctrl-names = "default";
 136         status = "okay";
 137 };
 138
 139 &usbotg_hs {
 140         dr_mode = "otg";
 141         phys = <&usbotg_hs_phy>;
 142         phy-names = "usb2-phy";
 143         pinctrl-0 = <&usbotg_hs_pins_a>;
 144         pinctrl-names = "default";
 145         status = "okay";
 146 };