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

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Date:   Sun, 26 Mar 2023 11:26:55 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Saalim Quadri <danascape@...il.com>, shengjiu.wang@....com,
        broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, daniel.baluta@....com
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: dt-bindings: ak4458: Convert to dtschema

On 25/03/2023 21:10, Saalim Quadri wrote:
> Convert the AK4458 audio DAC bindings to DT schema.
> 
> Signed-off-by: Saalim Quadri <danascape@...il.com>
> ---
>  .../devicetree/bindings/sound/ak4458.txt      | 28 ---------
>  .../bindings/sound/asahi-kasei,ak4458.yaml    | 62 +++++++++++++++++++
>  2 files changed, 62 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..b97aee96fa17
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/asahi-kasei,ak4458.yaml
> @@ -0,0 +1,62 @@
> +# 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
> +
> +required:
> +  - compatible
> +  - reg
> +

Based on driver:

allOf:
  - if:
      properties:
        compatible:
          enum:
            - ak4458.....
  then:
    properties:
      dsd-path: false

> +additionalProperties: false
> +
Best regards,
Krzysztof