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         reserved-memory {
  30                 #address-cells = <1>;
  31                 #size-cells = <1>;
  32                 ranges;
  33
  34                 optee@dd000000 {
  35                         reg = <0xdd000000 0x3000000>;
  36                         no-map;
  37                 };
  38         };
  39
  40         gpio-keys {
  41                 compatible = "gpio-keys";
  42
  43                 user-pa13 {
  44                         label = "User-PA13";
  45                         linux,code = <BTN_1>;
  46                         gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
  47                 };
  48         };
  49
  50         leds {
  51                 compatible = "gpio-leds";
  52
  53                 led-blue {
  54                         function = LED_FUNCTION_HEARTBEAT;
  55                         color = <LED_COLOR_ID_BLUE>;
  56                         gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
  57                         linux,default-trigger = "heartbeat";
  58                         default-state = "off";
  59                 };
  60         };
  61
  62         vdd_sd: vdd-sd {
  63                 compatible = "regulator-fixed";
  64                 regulator-name = "vdd_sd";
  65                 regulator-min-microvolt = <2900000>;
  66                 regulator-max-microvolt = <2900000>;
  67                 regulator-always-on;
  68         };
  69 };
  70
  71 &i2c1 {
  72         pinctrl-names = "default", "sleep";
  73         pinctrl-0 = <&i2c1_pins_a>;
  74         pinctrl-1 = <&i2c1_sleep_pins_a>;
  75         i2c-scl-rising-time-ns = <96>;
  76         i2c-scl-falling-time-ns = <3>;
  77         clock-frequency = <1000000>;
  78         status = "okay";
  79         /* spare dmas for other usage */
  80         /delete-property/dmas;
  81         /delete-property/dma-names;
  82 };
  83
  84 &i2c5 {
  85         pinctrl-names = "default", "sleep";
  86         pinctrl-0 = <&i2c5_pins_a>;
  87         pinctrl-1 = <&i2c5_sleep_pins_a>;
  88         i2c-scl-rising-time-ns = <170>;
  89         i2c-scl-falling-time-ns = <5>;
  90         clock-frequency = <400000>;
  91         status = "okay";
  92         /* spare dmas for other usage */
  93         /delete-property/dmas;
  94         /delete-property/dma-names;
  95 };
  96
  97 &iwdg2 {
  98         timeout-sec = <32>;
  99         status = "okay";
 100 };
 101
 102 &rtc {
 103         status = "okay";
 104 };
 105
 106 &sdmmc1 {
 107         pinctrl-names = "default", "opendrain", "sleep";
 108         pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_clk_pins_a>;
 109         pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_clk_pins_a>;
 110         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
 111         broken-cd;
 112         disable-wp;
 113         st,neg-edge;
 114         bus-width = <4>;
 115         vmmc-supply = <&vdd_sd>;
 116         status = "okay";
 117 };
 118
 119 &spi5 {
 120         pinctrl-names = "default", "sleep";
 121         pinctrl-0 = <&spi5_pins_a>;
 122         pinctrl-1 = <&spi5_sleep_pins_a>;
 123         status = "disabled";
 124 };
 125
 126 &uart4 {
 127         pinctrl-names = "default";
 128         pinctrl-0 = <&uart4_pins_a>;
 129         status = "okay";
 130 };