142 lines
2.4 KiB
Plaintext
142 lines
2.4 KiB
Plaintext
/*
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* Copyright (c) 2022 Tomislav Milkovic
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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/stm32l4a6Xg.dtsi>
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#include <st/l4/stm32l4a6zgtx-pinctrl.dtsi>
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#include "arduino_r3_connector.dtsi"
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/ {
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model = "STMicroelectronics STM32L4A6ZG-NUCLEO board";
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compatible = "st,stm32l4a6zg-nucleo";
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chosen {
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zephyr,console = &lpuart1;
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zephyr,shell-uart = &lpuart1;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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};
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leds {
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compatible = "gpio-leds";
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green_led_1: led_1 {
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gpios = <&gpioc 7 GPIO_ACTIVE_HIGH>;
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label = "User LD1";
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};
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blue_led_2: led_2 {
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gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;
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label = "User LD2";
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};
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red_led_3: led_3 {
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gpios = <&gpiob 14 GPIO_ACTIVE_HIGH>;
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label = "User LD3";
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};
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};
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pwmleds {
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compatible = "pwm-leds";
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red_pwm_led: red_pwm_led {
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pwms = <&pwm15 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
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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 Button";
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gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
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};
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};
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aliases {
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led0 = &green_led_1;
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led1 = &blue_led_2;
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led2 = &red_led_3;
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pwm-led0 = &red_pwm_led;
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sw0 = &user_button;
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watchdog0 = &wwdg;
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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_lse {
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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-q = <2>;
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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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&usart3 {
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pinctrl-0 = <&usart3_tx_pd8 &usart3_rx_pd9>;
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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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&lpuart1 {
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pinctrl-0 = <&lpuart1_tx_pg7 &lpuart1_rx_pg8>;
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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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&timers15 {
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st,prescaler = <10000>;
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status = "okay";
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pwm15: pwm {
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status = "okay";
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pinctrl-0 = <&tim15_ch1_pb14>;
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pinctrl-names = "default";
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};
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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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&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 = <&gpiod 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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status = "okay";
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};
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&rtc {
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
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<&rcc STM32_SRC_LSI RTC_SEL(2)>;
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status = "okay";
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};
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&wwdg {
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status = "okay";
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};
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