104 lines
1.9 KiB
Plaintext
104 lines
1.9 KiB
Plaintext
/*
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* Copyright (c) 2018 Anthony Kreft <anthony.kreft@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <st/l0/stm32l053X8.dtsi>
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#include <st/l0/stm32l053r(6-8)tx-pinctrl.dtsi>
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#include "arduino_r3_connector.dtsi"
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#include "st_morpho_connector.dtsi"
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "STMicroelectronics STM32L053R8-NUCLEO board";
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compatible = "st,stm32l053r8-nucleo";
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chosen {
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zephyr,console = &usart2;
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zephyr,shell-uart = &usart2;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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};
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leds: leds {
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compatible = "gpio-leds";
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green_led_2: led_2 {
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gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
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label = "User LD2";
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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user_button: button {
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label = "User";
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gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
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zephyr,code = <INPUT_KEY_0>;
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};
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};
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aliases {
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led0 = &green_led_2;
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sw0 = &user_button;
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eeprom-0 = &eeprom;
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};
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};
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&clk_hse {
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hse-bypass;
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clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
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status = "okay";
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};
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&pll {
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clocks = <&clk_hse>;
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mul = <8>;
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div = <2>;
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status = "okay";
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};
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&rcc {
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clocks = <&pll>;
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clock-frequency = <DT_FREQ_M(32)>;
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ahb-prescaler = <1>;
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apb1-prescaler = <1>;
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apb2-prescaler = <1>;
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};
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/* Due to limited available memory, don't enable gpiod and gpiof */
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/* (Test cases fail due to 'SRAM' region overflow) */
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&gpiod {status = "disabled";};
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&gpioh {status = "disabled";};
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&usart1 {
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pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
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pinctrl-names = "default";
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current-speed = <115200>;
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};
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&usart2 {
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pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "okay";
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};
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&i2c1 {
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pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi1 {
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pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
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pinctrl-names = "default";
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status = "okay";
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};
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&eeprom {
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status = "okay";
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};
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