186 lines
3.2 KiB
Plaintext
186 lines
3.2 KiB
Plaintext
/*
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* Copyright (c) 2017 Linaro Limited
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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/l4/stm32l476Xg.dtsi>
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#include <st/l4/stm32l476r(c-e-g)tx-pinctrl.dtsi>
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#include "arduino_r3_connector.dtsi"
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/ {
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model = "STMicroelectronics STM32L476RG-NUCLEO board";
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compatible = "st,stm32l476rg-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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power-states {
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stop0: state0 {
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compatible = "zephyr,power-state";
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power-state-name = "suspend-to-idle";
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substate-id = <1>;
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min-residency-us = <500>;
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};
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stop1: state1 {
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compatible = "zephyr,power-state";
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power-state-name = "suspend-to-idle";
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substate-id = <2>;
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min-residency-us = <700>;
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};
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stop2: state2 {
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compatible = "zephyr,power-state";
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power-state-name = "suspend-to-idle";
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substate-id = <3>;
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min-residency-us = <1000>;
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};
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};
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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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};
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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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};
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};
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&clk_lsi {
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status = "okay";
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};
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&clk_hsi {
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status = "okay";
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};
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&pll {
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div-m = <1>;
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mul-n = <20>;
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div-r = <4>;
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clocks = <&clk_hsi>;
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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(80)>;
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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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&cpu0 {
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cpu-power-states = <&stop0 &stop1 &stop2>;
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};
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&lptim1 {
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x80000000>,
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<&rcc STM32_SRC_LSI LPTIM1_SEL(1)>;
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status = "okay";
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};
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&usart1 {
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pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
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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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&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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&usart3 {
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pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
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pinctrl-names = "default";
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current-speed = <115200>;
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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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&i2c3 {
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pinctrl-0 = <&i2c3_scl_pc0 &i2c3_sda_pc1>;
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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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cs-gpios = <&gpiob 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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status = "okay";
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};
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&spi2 {
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pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13
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&spi2_miso_pb14 &spi2_mosi_pb15>;
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pinctrl-names = "default";
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status = "okay";
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};
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&spi3 {
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/* SPI3 on the ST Morpho Connector CN7 pins 17, 1, 2, 3*/
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pinctrl-0 = <&spi3_nss_pa15 &spi3_sck_pc10
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&spi3_miso_pc11 &spi3_mosi_pc12>;
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pinctrl-names = "default";
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status = "okay";
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};
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&timers2 {
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status = "okay";
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pwm2: pwm {
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status = "okay";
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pinctrl-0 = <&tim2_ch3_pb10>;
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pinctrl-names = "default";
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};
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};
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&timers3 {
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st,prescaler = <10000>;
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status = "okay";
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pwm3: pwm {
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status = "okay";
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pinctrl-0 = <&tim3_ch1_pb4>;
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pinctrl-names = "default";
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};
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};
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&rtc {
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status = "okay";
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};
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&adc1 {
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pinctrl-0 = <&adc1_in1_pc0>;
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pinctrl-names = "default";
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status = "okay";
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};
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