/* * Copyright (c) 2018 Aleksandr Makarov * * SPDX-License-Identifier: Apache-2.0 */ /dts-v1/; #include #include #include / { model = "STMicroelectronics B-L072Z-LRWAN1 Discovery kit"; compatible = "st,stm32l072z-lrwan1"; chosen { zephyr,console = &usart2; zephyr,shell-uart = &usart2; zephyr,sram = &sram0; zephyr,flash = &flash0; }; leds { compatible = "gpio-leds"; green_led_0: led_0 { gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>; label = "Green LED 1"; }; green_led_1: led_1 { gpios = <&gpiob 5 GPIO_ACTIVE_HIGH>; label = "Green LED 2"; }; blue_led: led_2 { gpios = <&gpiob 6 GPIO_ACTIVE_HIGH>; label = "Blue LED"; }; red_led: led_3 { gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>; label = "Red LED"; }; }; gpio_keys { compatible = "gpio-keys"; user_button: button_0 { label = "Push button switch"; gpios = <&gpiob 2 GPIO_ACTIVE_LOW>; zephyr,code = ; }; }; /* These aliases are provided for compatibility with samples */ aliases { led0 = &green_led_0; led1 = &green_led_1; led2 = &blue_led; led3 = &red_led; sw0 = &user_button; eeprom-0 = &eeprom; lora0 = &lora; }; }; &clk_lse { status = "okay"; }; &clk_hsi48 { status = "okay"; }; &clk_hsi { status = "okay"; }; &pll { div = <2>; mul = <4>; clocks = <&clk_hsi>; status = "okay"; }; &rcc { clocks = <&pll>; clock-frequency = ; ahb-prescaler = <1>; apb1-prescaler = <1>; apb2-prescaler = <1>; }; arduino_usart: &usart1 {}; arduino_spi: &spi2 {}; arduino_i2c: &i2c1 {}; &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"; }; &spi1 { pinctrl-0 = <&spi1_nss_pa15 &spi1_sck_pb3 &spi1_miso_pa6 &spi1_mosi_pa7>; pinctrl-names = "default"; status = "okay"; cs-gpios = <&gpioa 15 GPIO_ACTIVE_LOW>; lora: lora@0 { compatible = "semtech,sx1276"; reg = <0>; reset-gpios = <&gpioc 0 GPIO_ACTIVE_LOW>; dio-gpios = <&gpiob 4 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, <&gpiob 1 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, <&gpiob 0 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, <&gpioc 13 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, <&gpioa 5 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, <&gpioa 4 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>; rfi-enable-gpios = <&gpioa 1 GPIO_ACTIVE_HIGH>; rfo-enable-gpios = <&gpioc 2 GPIO_ACTIVE_HIGH>; pa-boost-enable-gpios = <&gpioc 1 GPIO_ACTIVE_HIGH>; tcxo-power-gpios = <&gpioa 12 GPIO_ACTIVE_HIGH>; tcxo-power-startup-delay-ms = <5>; spi-max-frequency = <1000000>; }; }; &spi2 { pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13 &spi2_miso_pb14 &spi2_mosi_pb15>; pinctrl-names = "default"; status = "okay"; }; &i2c1 { pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>; pinctrl-names = "default"; status = "okay"; clock-frequency = ; }; &rtc { clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>, <&rcc STM32_SRC_LSE RTC_SEL(1)>; status = "okay"; }; &rng { status = "okay"; }; &eeprom { status = "okay"; }; zephyr_udc0: &usb { pinctrl-0 = <&usb_dm_pa11 &usb_dp_pa12>; pinctrl-names = "default"; status = "okay"; }; &flash0 { partitions { compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; /* Set aside 32KiB for data at the end of the 192KiB flash */ storage_partition: partition@28000 { label = "storage"; reg = <0x00028000 DT_SIZE_K(32)>; }; }; };