blob: a30b1a378bdbfe0430e8dfb5d749980fad45686c [file] [log] [blame]
/*
* Copyright (c) 2017 Linaro Limited
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/f3/stm32f334X8.dtsi>
#include <st/f3/stm32f334r(6-8)tx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
/ {
model = "STMicroelectronics STM32F334R8-NUCLEO board";
compatible = "st,stm32f334r8-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;
};
};
&clk_hse {
hse-bypass;
clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
status = "okay";
};
&pll {
clocks = <&clk_hse>;
prediv = <1>;
mul = <9>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(72)>;
ahb-prescaler = <1>;
apb1-prescaler = <2>;
apb2-prescaler = <1>;
};
&usart1 {
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
current-speed = <115200>;
status = "okay";
};
&usart2 {
pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
current-speed = <115200>;
status = "okay";
};
&usart3 {
pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
current-speed = <115200>;
};
&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>;
cs-gpios = <&gpiob 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
status = "okay";
};
&timers1 {
status = "okay";
pwm1: pwm {
status = "okay";
st,prescaler = <10000>;
pinctrl-0 = <&tim1_ch1_pa8>;
};
};
&rtc {
status = "okay";
};
&iwdg {
status = "okay";
};
&flash0 {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
/* Set 6Kb of storage at the end of the 64Kb of flash */
storage_partition: partition@e800 {
label = "storage";
reg = <0x0000e800 0x00001800>;
};
};
};