| /* |
| * Copyright (c) 2018 Aleksandr Makarov <aleksandr.o.makarov@gmail.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| #include <st/l0/stm32l072Xz.dtsi> |
| #include <st/l0/stm32l072c(b-z)tx-pinctrl.dtsi> |
| |
| / { |
| 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>; |
| }; |
| }; |
| |
| /* 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; |
| }; |
| |
| power-states { |
| stop: stop { |
| compatible = "zephyr,power-state"; |
| power-state-name = "suspend-to-idle"; |
| min-residency-us = <100>; |
| }; |
| }; |
| }; |
| |
| &cpu0 { |
| cpu-power-states = <&stop>; |
| }; |
| |
| &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 = <DT_FREQ_M(32)>; |
| 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 = <I2C_BITRATE_FAST>; |
| }; |
| |
| &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)>; |
| }; |
| }; |
| }; |