blob: 9f6a3ec3b6820a1cae59ab783093135e32df3f71 [file] [log] [blame]
/*
* Copyright (c) 2018 Anthony Kreft <anthony.kreft@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/l0/stm32l053X8.dtsi>
#include <st/l0/stm32l053r(6-8)tx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
/ {
model = "STMicroelectronics STM32L053R8-NUCLEO board";
compatible = "st,stm32l053r8-nucleo";
chosen {
zephyr,console = &usart2;
zephyr,shell-uart = &usart2;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
};
leds {
compatible = "gpio-leds";
green_led_2: led_2 {
gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
label = "User LD2";
};
};
gpio_keys {
compatible = "gpio-keys";
user_button: button {
label = "User";
gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
};
};
aliases {
led0 = &green_led_2;
sw0 = &user_button;
eeprom-0 = &eeprom;
};
};
&clk_hse {
hse-bypass;
clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
status = "okay";
};
&pll {
clocks = <&clk_hse>;
mul = <8>;
div = <2>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(32)>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
apb2-prescaler = <1>;
};
/* Due to limited available memory, don't enable gpiod and gpiof */
/* (Test cases fail due to 'SRAM' region overflow) */
&gpiod {status = "disabled";};
&gpioh {status = "disabled";};
&usart1 {
pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
current-speed = <115200>;
};
&usart2 {
pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
current-speed = <115200>;
status = "okay";
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&spi1 {
pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
status = "okay";
};
&eeprom {
status = "okay";
};