linux-kernel - Re: [PATCH v5] ASoC: dt-bindings: ak4458: Convert to dtschema

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Message-ID: <CAL_JsqJzxQb1g=yVgHduLnYOpk8-Q3jppA1qQT1Ce51_gNWjhg@mail.gmail.com>
Date:   Thu, 6 Apr 2023 08:12:09 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Saalim Quadri <danascape@...il.com>
Cc:     krzysztof.kozlowski@...aro.org, broonie@...nel.org,
        daniel.baluta@....com, krzysztof.kozlowski+dt@...aro.org,
        shengjiu.wang@....com, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5] ASoC: dt-bindings: ak4458: Convert to dtschema

On Tue, Mar 28, 2023 at 4:18 AM Saalim Quadri <danascape@...il.com> wrote:
>
> Convert the AK4458 audio DAC bindings to DT schema.
>
> Signed-off-by: Saalim Quadri <danascape@...il.com>
> ---
> Changes:
> V1 -> V2: Use the correct way for dsd-path property
>           Drop ak4458 label form example
> V2 -> V3: ak4458 is the only one that does not support dsd-path, so we
>           do not require to define an array
> V3 -> V4: Add back dsd-path property description
> V4 -> V5: Fix yaml format as per example-schema
>
>  .../devicetree/bindings/sound/ak4458.txt      | 28 -------
>  .../bindings/sound/asahi-kasei,ak4458.yaml    | 73 +++++++++++++++++++
>  2 files changed, 73 insertions(+), 28 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/sound/ak4458.txt
>  create mode 100644 Documentation/devicetree/bindings/sound/asahi-kasei,ak4458.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/ak4458.txt b/Documentation/devicetree/bindings/sound/ak4458.txt
> deleted file mode 100644
> index 0416c14895d6..000000000000
> --- a/Documentation/devicetree/bindings/sound/ak4458.txt
> +++ /dev/null
> @@ -1,28 +0,0 @@
> -AK4458 audio DAC
> -
> -This device supports I2C mode.
> -
> -Required properties:
> -
> -- compatible : "asahi-kasei,ak4458" or "asahi-kasei,ak4497"
> -- reg : The I2C address of the device for I2C
> -
> -Optional properties:
> -- reset-gpios: A GPIO specifier for the power down & reset pin
> -- mute-gpios: A GPIO specifier for the soft mute pin
> -- AVDD-supply: Analog power supply
> -- DVDD-supply: Digital power supply
> -- dsd-path: Select DSD input pins for ak4497
> -            0: select #16, #17, #19 pins
> -            1: select #3, #4, #5 pins
> -
> -Example:
> -
> -&i2c {
> -       ak4458: dac@10 {
> -               compatible = "asahi-kasei,ak4458";
> -               reg = <0x10>;
> -               reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>
> -               mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>
> -       };
> -};
> diff --git a/Documentation/devicetree/bindings/sound/asahi-kasei,ak4458.yaml b/Documentation/devicetree/bindings/sound/asahi-kasei,ak4458.yaml
> new file mode 100644
> index 000000000000..0db0c8e923a0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/asahi-kasei,ak4458.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/asahi-kasei,ak4458.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AK4458 audio DAC
> +
> +maintainers:
> +  - Shengjiu Wang <shengjiu.wang@....com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - asahi-kasei,ak4458
> +      - asahi-kasei,ak4497
> +
> +  reg:
> +    maxItems: 1
> +
> +  avdd-supply:
> +    description: Analog power supply
> +
> +  dvdd-supply:
> +    description: Digital power supply
> +
> +  reset-gpios:
> +    maxItems: 1
> +
> +  mute-gpios:
> +    maxItems: 1
> +    description:
> +      GPIO used to mute all the outputs
> +
> +  dsd-path:
> +    description: Select DSD input pins for ak4497
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    oneOf:
> +      - const: 0
> +        description: select #16, #17, #19 pins
> +      - const: 1
> +        description: select #3, #4, #5 pins

'#' (with a space or newline before) is a comment, so these need to be
quoted. I only noticed because yamllint now requires a space after as
well:

./Documentation/devicetree/bindings/sound/asahi-kasei,ak4458.yaml:40:30:
[error] missing starting space in comment (comments)
./Documentation/devicetree/bindings/sound/asahi-kasei,ak4458.yaml:42:30:
[error] missing starting space in comment (comments)

Rob