| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/input/pwm-beeper.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: PWM beeper |
| |
| maintainers: |
| - Sascha Hauer <s.hauer@pengutronix.de> |
| |
| properties: |
| compatible: |
| const: pwm-beeper |
| |
| pwms: |
| maxItems: 1 |
| |
| amp-supply: |
| description: an amplifier for the beeper |
| |
| beeper-hz: |
| description: bell frequency in Hz |
| minimum: 10 |
| maximum: 10000 |
| |
| required: |
| - compatible |
| - pwms |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| beeper { |
| compatible = "pwm-beeper"; |
| pwms = <&pwm0>; |
| amp-supply = <&beeper_amp>; |
| beeper-hz = <1000>; |
| }; |