linux-kernel - Re: [PATCH v8 1/5] dt-bindings: input: pwm-beeper: Convert txt bindings to yaml

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Date:   Thu, 26 Jan 2023 13:32:26 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Manuel Traut <manuel.traut@...com>, linux-kernel@...r.kernel.org
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Frieder Schrempf <frieder.schrempf@...tron.de>,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v8 1/5] dt-bindings: input: pwm-beeper: Convert txt
 bindings to yaml

On 26/01/2023 10:18, Manuel Traut wrote:
> Converts txt binding to new YAML format.
> 
> Signed-off-by: Manuel Traut <manuel.traut@...com>

Thank you for your patch. There is something to discuss/improve.

> diff --git a/Documentation/devicetree/bindings/input/pwm-beeper.yaml b/Documentation/devicetree/bindings/input/pwm-beeper.yaml
> new file mode 100644
> index 000000000000..351df83d5cbe
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/pwm-beeper.yaml
> @@ -0,0 +1,48 @@
> +# 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#"

Drop quotes from both. Apologies for not noticing it earlier.

> +
> +title: PWM beeper
> +
> +maintainers:
> +  - Dmitry Torokhov <dmitry.torokhov@...il.com>
> +
> +description: Registers a PWM device as beeper.
> +
> +properties:
> +  compatible:
> +    const: pwm-beeper
> +
> +  pwms:
> +    maxItems: 1
> +
> +  amp-supply:
> +    description: >
> +      phandle to a regulator that acts as an amplifier for
> +      the beeper

Drop "phandle to a"

> +
> +  beeper-hz:
> +    description: bell frequency in Hz
> +
> +required:
> +  - compatible
> +  - pwms
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    beeper_amp: amplifier {
> +      compatible = "fixed-regulator";
> +      gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
> +    };

Drop this device node, not related.

> +
> +    beeper {
> +      compatible = "pwm-beeper";
> +      pwms = <&pwm0>;
> +      amp-supply = <&beeper_amp>;
> +    };

Best regards,
Krzysztof