183 lines
3.6 KiB
Plaintext
183 lines
3.6 KiB
Plaintext
/*
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* Copyright (c) 2018 Aleksandr Makarov <aleksandr.o.makarov@gmail.com>
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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/l0/stm32l072Xz.dtsi>
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#include <st/l0/stm32l072c(b-z)tx-pinctrl.dtsi>
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "STMicroelectronics B-L072Z-LRWAN1 Discovery kit";
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compatible = "st,stm32l072z-lrwan1";
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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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leds {
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compatible = "gpio-leds";
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green_led_0: led_0 {
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gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
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label = "Green LED 1";
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};
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green_led_1: led_1 {
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gpios = <&gpiob 5 GPIO_ACTIVE_HIGH>;
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label = "Green LED 2";
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};
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blue_led: led_2 {
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gpios = <&gpiob 6 GPIO_ACTIVE_HIGH>;
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label = "Blue LED";
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};
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red_led: led_3 {
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gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;
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label = "Red LED";
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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_0 {
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label = "Push button switch";
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gpios = <&gpiob 2 GPIO_ACTIVE_LOW>;
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zephyr,code = <INPUT_KEY_0>;
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};
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};
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/* These aliases are provided for compatibility with samples */
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aliases {
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led0 = &green_led_0;
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led1 = &green_led_1;
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led2 = &blue_led;
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led3 = &red_led;
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sw0 = &user_button;
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eeprom-0 = &eeprom;
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lora0 = &lora;
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};
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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_hsi48 {
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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 = <2>;
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mul = <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(32)>;
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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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arduino_usart: &usart1 {};
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arduino_spi: &spi2 {};
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arduino_i2c: &i2c1 {};
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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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&spi1 {
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pinctrl-0 = <&spi1_nss_pa15 &spi1_sck_pb3
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&spi1_miso_pa6 &spi1_mosi_pa7>;
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pinctrl-names = "default";
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status = "okay";
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cs-gpios = <&gpioa 15 GPIO_ACTIVE_LOW>;
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lora: lora@0 {
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compatible = "semtech,sx1276";
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reg = <0>;
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reset-gpios = <&gpioc 0 GPIO_ACTIVE_LOW>;
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dio-gpios = <&gpiob 4 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>,
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<&gpiob 1 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>,
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<&gpiob 0 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>,
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<&gpioc 13 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>,
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<&gpioa 5 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>,
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<&gpioa 4 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
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rfi-enable-gpios = <&gpioa 1 GPIO_ACTIVE_HIGH>;
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rfo-enable-gpios = <&gpioc 2 GPIO_ACTIVE_HIGH>;
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pa-boost-enable-gpios = <&gpioc 1 GPIO_ACTIVE_HIGH>;
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tcxo-power-gpios = <&gpioa 12 GPIO_ACTIVE_HIGH>;
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tcxo-power-startup-delay-ms = <5>;
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spi-max-frequency = <1000000>;
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};
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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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&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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&rtc {
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
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<&rcc STM32_SRC_LSE RTC_SEL(1)>;
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status = "okay";
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};
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&rng {
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status = "okay";
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};
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&eeprom {
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status = "okay";
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};
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zephyr_udc0: &usb {
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pinctrl-0 = <&usb_dm_pa11 &usb_dp_pa12>;
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pinctrl-names = "default";
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status = "okay";
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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/* Set aside 32KiB for data at the end of the 192KiB flash */
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storage_partition: partition@28000 {
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label = "storage";
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reg = <0x00028000 DT_SIZE_K(32)>;
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};
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};
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};
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