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Message-ID: <c05f91f5-a878-4f36-b325-0ac8e038a7e5@linaro.org>
Date: Mon, 20 May 2024 09:09:04 +0200
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Subject: Re: [PATCH] ASoC: dt-bindings: mt6358: Convert to dtschema
To: Kartik Agarwala <agarwala.kartik@gmail.com>, lgirdwood@gmail.com,
 broonie@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org,
 conor+dt@kernel.org, matthias.bgg@gmail.com,
 angelogioacchino.delregno@collabora.com
Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org
References: <20240518081621.63386-1-agarwala.kartik@gmail.com>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240518081621.63386-1-agarwala.kartik@gmail.com>
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On 18/05/2024 10:16, Kartik Agarwala wrote:
> Convert Mediatek MT6358 Audio Codec bindings from text to dtschema.
> 
> Signed-off-by: Kartik Agarwala <agarwala.kartik@gmail.com>
> ---
>  .../bindings/sound/mediatek,mt6358.yaml       | 47 +++++++++++++++++++
>  .../devicetree/bindings/sound/mt6358.txt      | 26 ----------
>  2 files changed, 47 insertions(+), 26 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt6358.yaml
>  delete mode 100644 Documentation/devicetree/bindings/sound/mt6358.txt
> 
> diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt6358.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt6358.yaml
> new file mode 100644
> index 000000000..f57ef2aa5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/mediatek,mt6358.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/mediatek,mt6358.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek MT6358 Audio Codec
> +
> +maintainers:
> +  - Kartik Agarwala <agarwala.kartik@gmail.com>
> +
> +description: |

Do not need '|' unless you need to preserve formatting.

> +  The communication between MT6358 and SoC is through Mediatek PMIC wrapper.
> +  For more detail, please visit Mediatek PMIC wrapper documentation.
> +  Must be a child node of PMIC wrapper.

Did you update the PMIC wrapper binding with ref to this?

> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt6358-sound
> +      - mediatek,mt6366-sound

You did not test the DTS.

I think I raised the issue already: please make necessary fixes to the
binding (with explanation) or to the DTS, when converting the binding.

> +
> +  Avdd-supply:
> +    description: power source of AVDD
> +
> +  mediatek,dmic-mode:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: |

Do not need '|' unless you need to preserve formatting.

> +      Indicates how many data pins are used to transmit two channels of PDM
> +      signal. 0 means two wires, 1 means one wire. Default value is 0.
> +    enum:
> +      - 0 # one wire
> +      - 1 # two wires
> +
> +required:
> +  - compatible
> +  - Avdd-supply
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    mt6358_snd {

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

Definitely no underscores. Probably this is "codec" or "audio-codec".

Best regards,
Krzysztof