| /* |
| * Copyright (c) 2021 Next Big Thing AG |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| #include <st/l0/stm32l072Xz.dtsi> |
| #include <st/l0/stm32l072c(b-z)tx-pinctrl.dtsi> |
| |
| / { |
| model = "Dragino NBSN95 NB-IoT Sensor Node"; |
| compatible = "vendor,dragino"; |
| |
| chosen { |
| zephyr,console = &usart2; |
| zephyr,shell-uart = &usart2; |
| zephyr,sram = &sram0; |
| zephyr,flash = &flash0; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| green_led: led { |
| gpios = <&gpioa 8 GPIO_ACTIVE_HIGH>; |
| label = "User LD1"; |
| }; |
| }; |
| |
| aliases { |
| led0 = &green_led; |
| }; |
| }; |
| |
| &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>; |
| }; |
| |
| &usart1 { |
| pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>; |
| 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"; |
| }; |