blob: b39a87345e57984f291aafc518784979d0768a37 [file] [log] [blame]
/*
* Copyright (c) 2017 Linaro Limited
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/l4/stm32l476Xg.dtsi>
#include <st/l4/stm32l476r(c-e-g)tx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
#include "st_morpho_connector.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>
/ {
model = "STMicroelectronics STM32L476RG-NUCLEO board";
compatible = "st,stm32l476rg-nucleo";
chosen {
zephyr,console = &usart2;
zephyr,shell-uart = &usart2;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
};
leds: 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>;
zephyr,code = <INPUT_KEY_0>;
};
};
aliases {
led0 = &green_led_2;
sw0 = &user_button;
volt-sensor0 = &vref;
volt-sensor1 = &vbat;
};
};
&clk_lsi {
status = "okay";
};
&clk_lse {
status = "okay";
};
&clk_hsi {
status = "okay";
};
&pll {
div-m = <1>;
mul-n = <20>;
div-r = <4>;
clocks = <&clk_hsi>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(80)>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
apb2-prescaler = <1>;
};
&lptim1 {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x80000000>,
<&rcc STM32_SRC_LSI LPTIM1_SEL(1)>;
status = "okay";
};
&usart1 {
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&usart2 {
pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&usart3 {
pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
pinctrl-names = "default";
current-speed = <115200>;
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&i2c3 {
pinctrl-0 = <&i2c3_scl_pc0 &i2c3_sda_pc1>;
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";
cs-gpios = <&gpiob 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
status = "okay";
};
&spi2 {
pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13
&spi2_miso_pb14 &spi2_mosi_pb15>;
pinctrl-names = "default";
status = "okay";
};
&spi3 {
/* SPI3 on the ST Morpho Connector CN7 pins 17, 1, 2, 3*/
pinctrl-0 = <&spi3_nss_pa15 &spi3_sck_pc10
&spi3_miso_pc11 &spi3_mosi_pc12>;
pinctrl-names = "default";
status = "okay";
};
&timers2 {
status = "okay";
pwm2: pwm {
status = "okay";
pinctrl-0 = <&tim2_ch3_pb10>;
pinctrl-names = "default";
};
};
&timers3 {
st,prescaler = <10000>;
status = "okay";
pwm3: pwm {
status = "okay";
pinctrl-0 = <&tim3_ch1_pb4>;
pinctrl-names = "default";
};
};
&rtc {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
status = "okay";
};
&adc1 {
pinctrl-0 = <&adc1_in1_pc0>;
pinctrl-names = "default";
st,adc-clock-source = <SYNC>;
st,adc-prescaler = <4>;
status = "okay";
};
&vref {
status = "okay";
};
&vbat {
status = "okay";
};
&flash0 {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
/* Set 32KB of storage at the end of 1024KB flash */
storage_partition: partition@f8000 {
label = "storage";
reg = <0x000f8000 DT_SIZE_K(32)>;
};
};
};