arch/arm/dts/stm32f469-disco.dts

   1 /*
   2  * Copyright 2016 - Lee Jones <lee.jones@linaro.org>
   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 "stm32f429.dtsi"
  45 #include "stm32f469-pinctrl.dtsi"
  46
  47 / {
  48         model = "STMicroelectronics STM32F469i-DISCO board";
  49         compatible = "st,stm32f469i-disco", "st,stm32f469";
  50
  51         chosen {
  52                 bootargs = "root=/dev/ram";
  53                 stdout-path = "serial0:115200n8";
  54         };
  55
  56         memory {
  57                 reg = <0x00000000 0x1000000>;
  58         };
  59
  60         aliases {
  61                 serial0 = &usart3;
  62         };
  63
  64         mmc_vcard: mmc_vcard {
  65                 compatible = "regulator-fixed";
  66                 regulator-name = "mmc_vcard";
  67                 regulator-min-microvolt = <3300000>;
  68                 regulator-max-microvolt = <3300000>;
  69         };
  70
  71         soc {
  72                 dma-ranges = <0xc0000000 0x0 0x10000000>;
  73         };
  74
  75         /* This turns on vbus for otg for host mode (dwc2) */
  76         vcc5v_otg: vcc5v-otg-regulator {
  77                 compatible = "regulator-fixed";
  78                 enable-active-high;
  79                 gpio = <&gpiob 2 0>;
  80                 regulator-name = "vcc5_host1";
  81                 regulator-always-on;
  82         };
  83 };
  84
  85 &rcc {
  86         compatible = "st,stm32f469-rcc", "st,stm32f42xx-rcc", "st,stm32-rcc";
  87 };
  88
  89 &clk_hse {
  90         clock-frequency = <8000000>;
  91 };
  92
  93 &rtc {
  94         status = "okay";
  95 };
  96
  97 &timers1 {
  98         status = "okay";
  99
 100         pwm {
 101                 pinctrl-0 = <&pwm1_pins>;
 102                 pinctrl-names = "default";
 103                 status = "okay";
 104         };
 105
 106         timer@0 {
 107                 status = "okay";
 108         };
 109 };
 110
 111 &timers3 {
 112         status = "okay";
 113
 114         pwm {
 115                 pinctrl-0 = <&pwm3_pins>;
 116                 pinctrl-names = "default";
 117                 status = "okay";
 118         };
 119
 120         timer@2 {
 121                 status = "okay";
 122         };
 123 };
 124
 125 &sdio {
 126         status = "okay";
 127         vmmc-supply = <&mmc_vcard>;
 128         pinctrl-names = "default", "opendrain";
 129         pinctrl-0 = <&sdio_pins>;
 130         pinctrl-1 = <&sdio_pins_od>;
 131         bus-width = <4>;
 132 };
 133
 134 &usart3 {
 135         pinctrl-0 = <&usart3_pins_a>;
 136         pinctrl-names = "default";
 137         status = "okay";
 138 };
 139
 140 &usbotg_fs {
 141         dr_mode = "host";
 142         pinctrl-0 = <&usbotg_fs_pins_a>;
 143         pinctrl-names = "default";
 144         status = "okay";
 145 };