arch/arm/boot/dts/stm32mp135f-dk.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
   2 /*
   3  * Copyright (C) STMicroelectronics 2021 - All Rights Reserved
   4  * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
   5  */
   6
   7 /dts-v1/;
   8
   9 #include <dt-bindings/gpio/gpio.h>
  10 #include <dt-bindings/input/input.h>
  11 #include <dt-bindings/leds/common.h>
  12 #include "stm32mp135.dtsi"
  13 #include "stm32mp13xf.dtsi"
  14 #include "stm32mp13-pinctrl.dtsi"
  15
  16 / {
  17         model = "STMicroelectronics STM32MP135F-DK Discovery Board";
  18         compatible = "st,stm32mp135f-dk", "st,stm32mp135";
  19
  20         aliases {
  21                 serial0 = &uart4;
  22         };
  23
  24         memory@c0000000 {
  25                 device_type = "memory";
  26                 reg = <0xc0000000 0x20000000>;
  27         };
  28
  29         gpio-keys {
  30                 compatible = "gpio-keys";
  31
  32                 user-pa13 {
  33                         label = "User-PA13";
  34                         linux,code = <BTN_1>;
  35                         gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
  36                 };
  37         };
  38
  39         leds {
  40                 compatible = "gpio-leds";
  41
  42                 led-blue {
  43                         function = LED_FUNCTION_HEARTBEAT;
  44                         color = <LED_COLOR_ID_BLUE>;
  45                         gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
  46                         linux,default-trigger = "heartbeat";
  47                         default-state = "off";
  48                 };
  49         };
  50
  51         vdd_sd: vdd-sd {
  52                 compatible = "regulator-fixed";
  53                 regulator-name = "vdd_sd";
  54                 regulator-min-microvolt = <2900000>;
  55                 regulator-max-microvolt = <2900000>;
  56                 regulator-always-on;
  57         };
  58 };
  59
  60 &iwdg2 {
  61         timeout-sec = <32>;
  62         status = "okay";
  63 };
  64
  65 &rtc {
  66         status = "okay";
  67 };
  68
  69 &sdmmc1 {
  70         pinctrl-names = "default", "opendrain", "sleep";
  71         pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_clk_pins_a>;
  72         pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_clk_pins_a>;
  73         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
  74         broken-cd;
  75         disable-wp;
  76         st,neg-edge;
  77         bus-width = <4>;
  78         vmmc-supply = <&vdd_sd>;
  79         status = "okay";
  80 };
  81
  82 &uart4 {
  83         pinctrl-names = "default";
  84         pinctrl-0 = <&uart4_pins_a>;
  85         status = "okay";
  86 };