Commit c55d84fb authored by Peng Fan's avatar Peng Fan Committed by Dmitry Torokhov
Browse files

dt-bindings: input: pwm-beeper: convert to dt schema 



Convert the binding doc to dt schema, and also fixed the
example from fixed-regulator to regulator-fixed.

Signed-off-by: default avatarPeng Fan <peng.fan@nxp.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230407075259.1593739-1-peng.fan@oss.nxp.com


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent cf595018

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

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* PWM beeper device tree bindings



Registers a PWM device as beeper.



Required properties:

- compatible: should be "pwm-beeper"

- pwms: phandle to the physical PWM device



Optional properties:

- amp-supply: phandle to a regulator that acts as an amplifier for the beeper

- beeper-hz:  bell frequency in Hz



Example:



beeper_amp: amplifier {

	compatible = "fixed-regulator";

	gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;

};



beeper {

	compatible = "pwm-beeper";

	pwms = <&pwm0>;

	amp-supply = <&beeper_amp>;

};

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

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# 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>;

    };