|  | /* | 
|  | * Copyright (c) 2017 I-SENSE group of ICCS | 
|  | * | 
|  | * SPDX-License-Identifier: Apache-2.0 | 
|  | */ | 
|  |  | 
|  | /dts-v1/; | 
|  | #include <st/f1/stm32f103Xb.dtsi> | 
|  |  | 
|  | / { | 
|  | model = "Olimex OLIMEXINO-STM32 board"; | 
|  | compatible = "olimex,olimexino_stm32", "st,stm32f103rb"; | 
|  |  | 
|  | chosen { | 
|  | zephyr,console = &usart1; | 
|  | zephyr,shell-uart = &usart1; | 
|  | zephyr,sram = &sram0; | 
|  | zephyr,flash = &flash0; | 
|  | }; | 
|  |  | 
|  | leds { | 
|  | compatible = "gpio-leds"; | 
|  | green_led_1: led_1 { | 
|  | gpios = <&gpioa 5 GPIO_INT_ACTIVE_HIGH>; | 
|  | label = "LED1"; | 
|  | }; | 
|  | yellow_led_2: led_2 { | 
|  | gpios = <&gpioa 1 GPIO_INT_ACTIVE_HIGH>; | 
|  | label = "LED2"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | gpio_keys { | 
|  | compatible = "gpio-keys"; | 
|  | user_button: button { | 
|  | label = "Key"; | 
|  | gpios = <&gpioc 9 GPIO_INT_ACTIVE_LOW>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | aliases { | 
|  | led0 = &green_led_1; | 
|  | led1 = &yellow_led_2; | 
|  | sw0 = &user_button; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | uext_i2c: &i2c2 {}; | 
|  | uext_spi: &spi1 {}; | 
|  | uext_serial: &usart1 {}; | 
|  |  | 
|  | &usart1 { | 
|  | current-speed = <115200>; | 
|  | pinctrl-0 = <&usart1_pins_a>; | 
|  | pinctrl-names = "default"; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &usart2 { | 
|  | current-speed = <115200>; | 
|  | pinctrl-0 = <&usart2_pins_a>; | 
|  | pinctrl-names = "default"; | 
|  | }; | 
|  |  | 
|  | &usart3 { | 
|  | current-speed = <115200>; | 
|  | pinctrl-0 = <&usart3_pins_a>; | 
|  | pinctrl-names = "default"; | 
|  | }; | 
|  |  | 
|  | &i2c1 { | 
|  | status = "okay"; | 
|  | clock-frequency = <I2C_BITRATE_FAST>; | 
|  | }; | 
|  |  | 
|  | &i2c2 { | 
|  | status = "okay"; | 
|  | clock-frequency = <I2C_BITRATE_FAST>; | 
|  | }; | 
|  |  | 
|  | &spi1 { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &spi2 { | 
|  | status = "okay"; | 
|  | cs-gpios = <&gpiod 2 0>; | 
|  |  | 
|  | sdhc0: sdhc@0 { | 
|  | compatible = "zephyr,mmc-spi-slot"; | 
|  | reg = <0>; | 
|  | status = "okay"; | 
|  | label = "SDHC0"; | 
|  | spi-max-frequency = <24000000>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &usb { | 
|  | status = "okay"; | 
|  | disconnect-gpios = <&gpioc 12 0>; | 
|  | }; | 
|  |  | 
|  | &timers1 { | 
|  | status = "okay"; | 
|  |  | 
|  | pwm { | 
|  | status = "okay"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &iwdg { | 
|  | status = "okay"; | 
|  | }; |