Documentation/devicetree/bindings/input/pwm-beeper.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/input/pwm-beeper.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: PWM beeper
   8
   9 maintainers:
  10   - Sascha Hauer <s.hauer@pengutronix.de>
  11
  12 properties:
  13   compatible:
  14     const: pwm-beeper
  15
  16   pwms:
  17     maxItems: 1
  18
  19   amp-supply:
  20     description: an amplifier for the beeper
  21
  22   beeper-hz:
  23     description: bell frequency in Hz
  24     minimum: 10
  25     maximum: 10000
  26
  27 required:
  28   - compatible
  29   - pwms
  30
  31 unevaluatedProperties: false
  32
  33 examples:
  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     };