| /* |
| * Copyright (c) 2019 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /* |
| * This uses pin 40 on HAT as LED, and pin 38 as interrupt line. |
| * |
| * Note: |
| * Need to change the BIOS settings: |
| * () Advanced -> HAT Configurations: |
| * - HD-Audio / I2S6 Selec -> Disabled |
| * |
| * - GPIO 27 (Pin38) Confi -> Input |
| * - GPIO 28 (Pin40) Confi -> Output |
| */ |
| |
| / { |
| aliases { |
| led0 = &led0; |
| sw0 = &sw0; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| led0: led_0 { |
| gpios = <&gpio_w_000_031 19 0>; |
| label = "HAT Pin 40 as LED"; |
| }; |
| |
| }; |
| |
| buttons { |
| compatible = "gpio-keys"; |
| sw0: switch_0 { |
| gpios = <&gpio_w_000_031 18 0>; |
| label = "HAT Pin 38 as Input"; |
| }; |
| }; |
| |
| }; |