| # 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>; | |
| }; |