|  | /* | 
|  | * Copyright (c) 2017 BayLibre, SAS | 
|  | * | 
|  | * SPDX-License-Identifier: Apache-2.0 | 
|  | */ | 
|  |  | 
|  | /dts-v1/; | 
|  | #include <st/f0/stm32f072Xb.dtsi> | 
|  | #include <st/f0/stm32f072v(8-b)tx-pinctrl.dtsi> | 
|  |  | 
|  | / { | 
|  | model = "STMicroelectronics STM32F072-EVAL board"; | 
|  | compatible = "st,stm32f072-eval"; | 
|  |  | 
|  | chosen { | 
|  | zephyr,console = &usart2; | 
|  | zephyr,shell-uart = &usart2; | 
|  | zephyr,sram = &sram0; | 
|  | zephyr,flash = &flash0; | 
|  | }; | 
|  |  | 
|  | leds { | 
|  | compatible = "gpio-leds"; | 
|  | green_led_1: led_1 { | 
|  | gpios = <&gpiod 8 GPIO_ACTIVE_HIGH>; | 
|  | label = "User LD1"; | 
|  | }; | 
|  | orange_led_2: led_2 { | 
|  | gpios = <&gpiod 9 GPIO_ACTIVE_HIGH>; | 
|  | label = "User LD2"; | 
|  | }; | 
|  | red_led_3: led_3 { | 
|  | gpios = <&gpiod 10 GPIO_ACTIVE_HIGH>; | 
|  | label = "User LD3"; | 
|  | }; | 
|  | blue_led_4: led_4 { | 
|  | gpios = <&gpiod 11 GPIO_ACTIVE_HIGH>; | 
|  | label = "User LD4"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | gpio_keys { | 
|  | compatible = "gpio-keys"; | 
|  | tamper: tamper_button { | 
|  | label = "tamper button"; | 
|  | gpios = <&gpioc 13 GPIO_ACTIVE_LOW>; | 
|  | }; | 
|  | joy_sel: joystick_selection { | 
|  | label = "joystick selection"; | 
|  | gpios = <&gpioa 0 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; | 
|  | }; | 
|  | joy_down: joystick_down { | 
|  | label = "joystick down"; | 
|  | gpios = <&gpiof 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; | 
|  | }; | 
|  | joy_up: joystick_up { | 
|  | label = "joystick up"; | 
|  | gpios = <&gpiof 9 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; | 
|  | }; | 
|  | joy_left: joystick_left { | 
|  | label = "joystick left"; | 
|  | gpios = <&gpiof 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; | 
|  | }; | 
|  | joy_right: joystick_right { | 
|  | label = "joystick right"; | 
|  | gpios = <&gpioe 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | aliases { | 
|  | led0 = &green_led_1; | 
|  | led1 = &orange_led_2; | 
|  | led2 = &red_led_3; | 
|  | led3 = &blue_led_4; | 
|  | sw0 = &joy_sel; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &clk_hse { | 
|  | clock-frequency = <DT_FREQ_M(8)>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &pll { | 
|  | prediv = <1>; | 
|  | mul = <6>; | 
|  | clocks = <&clk_hse>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &rcc { | 
|  | clocks = <&pll>; | 
|  | clock-frequency = <DT_FREQ_M(48)>; | 
|  | ahb-prescaler = <1>; | 
|  | apb1-prescaler = <1>; | 
|  | }; | 
|  |  | 
|  | &usart2 { | 
|  | pinctrl-0 = <&usart2_tx_pd5 &usart2_rx_pd6>; | 
|  | current-speed = <115200>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &iwdg { | 
|  | status = "okay"; | 
|  | }; |