arch/arm64/boot/dts/st/stm32mp257f-ev1.dts

   1 // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
   2 /*
   3  * Copyright (C) STMicroelectronics 2023 - 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 "stm32mp257.dtsi"
  11 #include "stm32mp25xf.dtsi"
  12 #include "stm32mp25-pinctrl.dtsi"
  13 #include "stm32mp25xxai-pinctrl.dtsi"
  14
  15 / {
  16         model = "STMicroelectronics STM32MP257F-EV1 Evaluation Board";
  17         compatible = "st,stm32mp257f-ev1", "st,stm32mp257";
  18
  19         aliases {
  20                 serial0 = &usart2;
  21         };
  22
  23         chosen {
  24                 stdout-path = "serial0:115200n8";
  25         };
  26
  27         memory@80000000 {
  28                 device_type = "memory";
  29                 reg = <0x0 0x80000000 0x1 0x0>;
  30         };
  31
  32         reserved-memory {
  33                 #address-cells = <2>;
  34                 #size-cells = <2>;
  35                 ranges;
  36
  37                 fw@80000000 {
  38                         compatible = "shared-dma-pool";
  39                         reg = <0x0 0x80000000 0x0 0x4000000>;
  40                         no-map;
  41                 };
  42         };
  43
  44         vdd_sdcard: vdd-sdcard {
  45                 compatible = "regulator-fixed";
  46                 regulator-name = "vdd_sdcard";
  47                 regulator-min-microvolt = <3300000>;
  48                 regulator-max-microvolt = <3300000>;
  49                 regulator-always-on;
  50         };
  51 };
  52
  53 &arm_wdt {
  54         timeout-sec = <32>;
  55         status = "okay";
  56 };
  57
  58 &sdmmc1 {
  59         pinctrl-names = "default", "opendrain", "sleep";
  60         pinctrl-0 = <&sdmmc1_b4_pins_a>;
  61         pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
  62         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
  63         cd-gpios = <&gpiod 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
  64         disable-wp;
  65         st,neg-edge;
  66         bus-width = <4>;
  67         vmmc-supply = <&vdd_sdcard>;
  68         status = "okay";
  69 };
  70
  71 &usart2 {
  72         pinctrl-names = "default", "idle", "sleep";
  73         pinctrl-0 = <&usart2_pins_a>;
  74         pinctrl-1 = <&usart2_idle_pins_a>;
  75         pinctrl-2 = <&usart2_sleep_pins_a>;
  76         status = "okay";
  77 };