42 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/input/pwm-beeper.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: PWM beeper8 9maintainers:10 - Sascha Hauer <s.hauer@pengutronix.de>11 12properties:13 compatible:14 const: pwm-beeper15 16 pwms:17 maxItems: 118 19 amp-supply:20 description: an amplifier for the beeper21 22 beeper-hz:23 description: bell frequency in Hz24 minimum: 1025 maximum: 1000026 27required:28 - compatible29 - pwms30 31unevaluatedProperties: false32 33examples:34 - |35 #include <dt-bindings/gpio/gpio.h>36 beeper {37 compatible = "pwm-beeper";38 pwms = <&pwm0>;39 amp-supply = <&beeper_amp>;40 beeper-hz = <1000>;41 };42