Re: [PATCH v7 3/3] dt-bindings: mfd: mediatek: mt6397: Convert to DT schema format

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On Mon, Sep 30, 2024 at 03:33:11PM +0800, Macpaul Lin wrote:
> Convert the mfd: mediatek: mt6397 binding to DT schema format.
> 
> MT6323, MT6358, and MT6397 are PMIC devices with multiple function
> subdevices. They share a common PMIC design but have variations in
> subdevice combinations.
> 
> Key updates in this conversion:
> 
> 1. RTC:
>    - Convert rtc-mt6397.txt and merge into parent MT6397 PMIC DT schema.
> 
> 2. Regulators:
>    - Align to generic name "regulators".
>    - Update references from .txt to .yaml for mt6323, mt6358, and mt6397
>      regulators.
>    - Simplify regulator name labels in device tree examples.
>    - Add a new 'mt6359-regulator' to the compatibles of regulators.

Why?

>      Merge from the other patch [1].
> 
> 3. ADC:
>    - Add a new 'adc' property and include a $ref for sub-device node of
>      MT6359 PMIC AUXADC: 'mediatek,mt6359-auxadc'.
>      Merge from the other patch [1].
> 
> 4. Audio Codec:
>    - Simplify Audio Codec part with updating compatible items.
>    - Add 'mt6359-codec' to the compatible

Why?
.
> 
> 5. Clocks:
>    - Align to generic name "clocks" for clockbuffer subdevices.
> 
> 6. LEDs:
>    - Convert leds-mt6323.txt and merge into parent MT6397 PMIC DT schema.
>    - Update LED binding.
> 
> 7. Keys:
>    - Add detailed descriptions for power and home keys.
>    - Add compatible: mediatek,mt6358-keys.
> 
> 8. Power Controller:
>    - Convert mt6323-poweroff.txt and merge into parent MT6397 PMIC DT
>      schema.
>    - Add #power-domain-cells property to fix dt-binding check error.
>    - Clarify "BBPU" as "Baseband power up".
> 
> 9. Pinctrl:
>    - Align to generic name "pinctrl" instead of "pin-controller".
> 
> 10. Compatible:
>    - Drop "mediatek,mt6357" since there is a separated DT Schema
>      for PMIC MT6357.
> 
> 11. Examples:
>    - MT6323: Retain complete examples for this PMIC.
>    - MT6358 and MT6397: simplify settings in regulators.
>     - Preserve "audio-codec", "clocks", "pinctrl", "rtc", and "keys"
>       sections as they contain typical settings for different PMICs.
> 
> Additional updates:
> - MAINTAINERS: Add co-maintainers and reference to
>   mfd/mediatek,mt6397.yaml for LED and power-controller drivers.
> - input/mediatek,pmic-keys.yaml: Update reference to
>   mfd/mediatek,mt6397.yaml.
> 
> References:
> [1] https://lore.kernel.org/all/20240925171156.9115-1-macpaul.lin@xxxxxxxxxxxx/
> 
> Signed-off-by: Sen Chu <sen.chu@xxxxxxxxxxxx>
> Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx>
> ---

> +
> +  adc:
> +    type: object
> +    $ref: /schemas/iio/adc/mediatek,mt6359-auxadc.yaml#
> +    unevaluatedProperties: false
> +
> +  audio-codec:
> +    type: object
> +    description:
> +      Audio codec support with MT6358, MT6359, and MT6397.
> +    additionalProperties: true

No, this cannot be true. Schema is incomplete for listed compatibles.

> +
> +    properties:
> +      compatible:
> +        oneOf:
> +          - enum:
> +              - mediatek,mt6358-sound
> +              - mediatek,mt6359-codec

There was no such compatible.

Why do you add non-existing compatibles during conversion?





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