| /* |
| * Copyright 2021 The Chromium OS Authors |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| #include <st/g0/stm32g081Xb.dtsi> |
| #include <st/g0/stm32g081rbtx-pinctrl.dtsi> |
| |
| / { |
| model = "STM32G081B EVAL board"; |
| compatible = "st,stm32g081-eval"; |
| |
| chosen { |
| zephyr,console = &usart3; |
| zephyr,shell-uart = &usart3; |
| zephyr,sram = &sram0; |
| zephyr,flash = &flash0; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| led_1: led1 { |
| gpios = <&gpiod 5 GPIO_ACTIVE_HIGH>; |
| label = "LED1"; |
| }; |
| led_2: led2 { |
| gpios = <&gpiod 6 GPIO_ACTIVE_HIGH>; |
| label = "LED2"; |
| }; |
| led_3: led3 { |
| gpios = <&gpiod 8 GPIO_ACTIVE_HIGH>; |
| label = "LED3"; |
| }; |
| led_4: led4 { |
| gpios = <&gpiod 9 GPIO_ACTIVE_HIGH>; |
| label = "LED4"; |
| }; |
| }; |
| |
| gpio_keys { |
| compatible = "gpio-keys"; |
| joy_sel: button0 { |
| label = "JOY_SEL"; |
| gpios = <&gpioa 0 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; |
| }; |
| joy_left: button1 { |
| label = "JOY_LEFT"; |
| gpios = <&gpioc 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; |
| }; |
| joy_down: button2 { |
| label = "JOY_DOWN"; |
| gpios = <&gpioc 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; |
| }; |
| joy_right: button3 { |
| label = "JOY_RIGHT"; |
| gpios = <&gpioc 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; |
| }; |
| joy_up: button4 { |
| label = "JOY_UP"; |
| gpios = <&gpioc 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; |
| }; |
| }; |
| |
| aliases { |
| led0 = &led_1; |
| led1 = &led_2; |
| led2 = &led_3; |
| led3 = &led_4; |
| sw0 = &joy_sel; |
| sw1 = &joy_left; |
| sw2 = &joy_down; |
| sw3 = &joy_right; |
| sw4 = &joy_up; |
| }; |
| }; |
| |
| &clk_hsi { |
| status = "okay"; |
| }; |
| |
| &pll { |
| div-m = <1>; |
| mul-n = <8>; |
| div-p = <2>; |
| div-q = <2>; |
| div-r = <2>; |
| clocks = <&clk_hsi>; |
| status = "okay"; |
| }; |
| |
| &rcc { |
| clocks = <&pll>; |
| clock-frequency = <DT_FREQ_M(64)>; |
| ahb-prescaler = <1>; |
| apb1-prescaler = <1>; |
| }; |
| |
| &usart3 { |
| pinctrl-0 = <&usart3_tx_pc10 &usart3_rx_pc11>; |
| pinctrl-names = "default"; |
| current-speed = <115200>; |
| status = "okay"; |
| }; |
| |
| &iwdg { |
| status = "okay"; |
| }; |