On Tue, Mar 28, 2023 at 12:43 AM Peng Fan (OSS) <peng.fan@xxxxxxxxxxx> wrote:
>
> From: Peng Fan <peng.fan@xxxxxxx>
>
> Convert the binding doc to dt schema, and also fixed the
> example from fixed-regulator to regulator-fixed.
>
> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
> ---
> .../devicetree/bindings/input/pwm-beeper.txt | 24 ----------
> .../devicetree/bindings/input/pwm-beeper.yaml | 48 +++++++++++++++++++
> 2 files changed, 48 insertions(+), 24 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/input/pwm-beeper.txt
> create mode 100644 Documentation/devicetree/bindings/input/pwm-beeper.yaml
>
> diff --git a/Documentation/devicetree/bindings/input/pwm-beeper.txt b/Documentation/devicetree/bindings/input/pwm-beeper.txt
> deleted file mode 100644
> index 8fc0e48c20db..000000000000
> --- a/Documentation/devicetree/bindings/input/pwm-beeper.txt
> +++ /dev/null
> @@ -1,24 +0,0 @@
> -* 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>;
> -};
> diff --git a/Documentation/devicetree/bindings/input/pwm-beeper.yaml b/Documentation/devicetree/bindings/input/pwm-beeper.yaml
> new file mode 100644
> index 000000000000..1d7cd58d2a8f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/pwm-beeper.yaml
> @@ -0,0 +1,48 @@
> +# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
'or-later' is wrong.
> +%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@xxxxxxxxxxxxxx>
> +
> +properties:
> + compatible:
> + items:
Drop 'items' as there is only 1.
> + - const: pwm-beeper
> +
> + pwms:
> + description: Phandle to the physical PWM device
> + $ref: /schemas/types.yaml#/definitions/phandle
Standard property which already has a type.
> +
> + amp-supply:
> + description: Phandle to a regulator that acts as an amplifier for the beeper
> +
> + beeper-hz:
> + description: bell frequency in Hz
> + minimum: 1
> + maximum: 255
doubtful a beeper can generate frequencies of 1-255Hz...
> +
> +required:
> + - compatible
> + - pwms
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> + beeper_amp: amplifier {
Don't need to show providers in examples for the consumer.
> + compatible = "regulator-fixed";
> + gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
> + regulator-name = "beeper_amp";
> + };
> +
> + beeper {
> + compatible = "pwm-beeper";
> + pwms = <&pwm0>;
> + amp-supply = <&beeper_amp>;
Make the example complete and add beeper-hz.
> + };
> --
> 2.37.1
>
