1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/input/gpio-beeper.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: GPIO controlled beeper 8 9maintainers: 10 - Fabio Estevam <festevam@denx.de> 11 12properties: 13 compatible: 14 const: gpio-beeper 15 16 gpios: 17 maxItems: 1 18 description: 19 GPIO that drives the beeper. 20 21required: 22 - compatible 23 - gpios 24 25additionalProperties: false 26 27examples: 28 - | 29 #include <dt-bindings/gpio/gpio.h> 30 beeper { 31 compatible = "gpio-beeper"; 32 gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>; 33 }; 34