arch/arm/dts/stm32f429-disco.dts

   1 // SPDX-License-Identifier: GPL-2.0+ OR X11
   2 /*
   3  * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.com>
   4  */
   5
   6 /dts-v1/;
   7 #include "stm32f429.dtsi"
   8 #include "stm32f429-pinctrl.dtsi"
   9 #include <dt-bindings/input/input.h>
  10
  11 / {
  12         model = "STMicroelectronics STM32F429i-DISCO board";
  13         compatible = "st,stm32f429i-disco", "st,stm32f429";
  14
  15         chosen {
  16                 bootargs = "root=/dev/ram";
  17                 stdout-path = "serial0:115200n8";
  18         };
  19
  20         memory {
  21                 device_type = "memory";
  22                 reg = <0x90000000 0x800000>;
  23         };
  24
  25         aliases {
  26                 serial0 = &usart1;
  27         };
  28
  29         leds {
  30                 compatible = "gpio-leds";
  31                 red {
  32                         gpios = <&gpiog 14 0>;
  33                 };
  34                 green {
  35                         gpios = <&gpiog 13 0>;
  36                         linux,default-trigger = "heartbeat";
  37                 };
  38         };
  39
  40         gpio_keys {
  41                 compatible = "gpio-keys";
  42                 #address-cells = <1>;
  43                 #size-cells = <0>;
  44                 autorepeat;
  45                 button@0 {
  46                         label = "User";
  47                         linux,code = <KEY_HOME>;
  48                         gpios = <&gpioa 0 0>;
  49                 };
  50         };
  51
  52         /* This turns on vbus for otg for host mode (dwc2) */
  53         vcc5v_otg: vcc5v-otg-regulator {
  54                 compatible = "regulator-fixed";
  55                 gpio = <&gpioc 4 0>;
  56                 regulator-name = "vcc5_host1";
  57                 regulator-always-on;
  58         };
  59 };
  60
  61 &clk_hse {
  62         clock-frequency = <8000000>;
  63 };
  64
  65 &crc {
  66         status = "okay";
  67 };
  68
  69 &rtc {
  70         assigned-clocks = <&rcc 1 CLK_RTC>;
  71         assigned-clock-parents = <&rcc 1 CLK_LSI>;
  72         status = "okay";
  73 };
  74
  75 &usart1 {
  76         pinctrl-0 = <&usart1_pins_a>;
  77         pinctrl-names = "default";
  78         status = "okay";
  79 };
  80
  81 &usbotg_hs {
  82         compatible = "st,stm32f4x9-fsotg";
  83         dr_mode = "host";
  84         pinctrl-0 = <&usbotg_fs_pins_b>;
  85         pinctrl-names = "default";
  86         status = "okay";
  87 };