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&i2c2 { 59 pinctrl-names = "default", "sleep"; 60 pinctrl-0 = <&i2c2_pins_a>; 61 pinctrl-1 = <&i2c2_sleep_pins_a>; 62 i2c-scl-rising-time-ns = <100>; 63 i2c-scl-falling-time-ns = <13>; 64 clock-frequency = <400000>; 65 status = "okay"; 66}; 67 68&i2c8 { 69 pinctrl-names = "default", "sleep"; 70 pinctrl-0 = <&i2c8_pins_a>; 71 pinctrl-1 = <&i2c8_sleep_pins_a>; 72 i2c-scl-rising-time-ns = <57>; 73 i2c-scl-falling-time-ns = <7>; 74 clock-frequency = <400000>; 75 status = "disabled"; 76}; 77 78&sdmmc1 { 79 pinctrl-names = "default", "opendrain", "sleep"; 80 pinctrl-0 = <&sdmmc1_b4_pins_a>; 81 pinctrl-1 = <&sdmmc1_b4_od_pins_a>; 82 pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>; 83 cd-gpios = <&gpiod 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; 84 disable-wp; 85 st,neg-edge; 86 bus-width = <4>; 87 vmmc-supply = <&vdd_sdcard>; 88 status = "okay"; 89}; 90 91&spi3 { 92 pinctrl-names = "default", "sleep"; 93 pinctrl-0 = <&spi3_pins_a>; 94 pinctrl-1 = <&spi3_sleep_pins_a>; 95 status = "disabled"; 96}; 97 98&spi8 { 99 pinctrl-names = "default", "sleep"; 100 pinctrl-0 = <&spi8_pins_a>; 101 pinctrl-1 = <&spi8_sleep_pins_a>; 102 status = "disabled"; 103}; 104 105&usart2 { 106 pinctrl-names = "default", "idle", "sleep"; 107 pinctrl-0 = <&usart2_pins_a>; 108 pinctrl-1 = <&usart2_idle_pins_a>; 109 pinctrl-2 = <&usart2_sleep_pins_a>; 110 status = "okay"; 111}; 112