blob: cd7882e5f3c5d2a0e872848f1e8eb4b07ccfc176 [file] [log] [blame]
/*
* Copyright (c) 2017 Bobby Noelte
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/f0/stm32f091Xc.dtsi>
#include <st/f0/stm32f091r(b-c)tx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
/ {
model = "STMicroelectronics STM32F091RC-NUCLEO board";
compatible = "st,stm32f091rc-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>;
};
};
pwmleds: pwmleds {
compatible = "pwm-leds";
/* NOTE: disabled by default, PWM2 conflicts with SPI1 */
status = "disabled";
green_pwm_led: green_pwm_led {
pwms = <&pwm2 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
};
};
aliases {
led0 = &green_led_2;
sw0 = &user_button;
pwm-led0 = &green_pwm_led;
watchdog0 = &iwdg;
die-temp0 = &die_temp;
volt-sensor0 = &vref;
volt-sensor1 = &vbat;
};
};
&clk_hse {
hse-bypass;
clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
status = "okay";
};
&clk_lsi {
status = "okay";
};
&pll {
prediv = <1>;
mul = <6>;
clocks = <&clk_hse>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(48)>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
};
&usart1 {
pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
pinctrl-names = "default";
current-speed = <115200>;
};
&usart2 {
pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&i2c2 {
pinctrl-0 = <&i2c2_scl_pa11 &i2c2_sda_pa12>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&spi1 {
pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
pinctrl-names = "default";
status = "okay";
};
&spi2 {
pinctrl-0 = <&spi2_sck_pb13 &spi2_miso_pb14 &spi2_mosi_pb15>;
pinctrl-names = "default";
status = "okay";
};
&iwdg {
status = "okay";
};
&rtc {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
status = "okay";
};
&flash0 {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
/* Set 6Kb of storage at the end of the 256Kb of flash */
storage_partition: partition@3e800 {
label = "storage";
reg = <0x0003e800 DT_SIZE_K(6)>;
};
};
};
&adc1 {
pinctrl-0 = <&adc_in0_pa0>;
pinctrl-names = "default";
status = "okay";
};
&die_temp {
status = "okay";
};
&dac1 {
status = "okay";
pinctrl-0 = <&dac_out1_pa4>;
pinctrl-names = "default";
};
&dma1 {
status = "okay";
};
&timers2 {
st,prescaler = <10000>;
status = "okay";
pwm2: pwm {
/* NOTE: disabled by default, PWM2 conflicts with SPI1 */
pinctrl-0 = <&tim2_ch1_pa5>;
pinctrl-names = "default";
};
};
&vref {
status = "okay";
};
&vbat {
status = "okay";
};