linux-kernel - Re: [PATCH v3] dt-bindings: iio: adc: ad7923: adjust documentation

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Date:   Mon, 21 Nov 2022 10:13:57 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Edmund Berenson <edmund.berenson@...ix.com>
Cc:     Lukasz Zemla <Lukasz.Zemla@...dward.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] dt-bindings: iio: adc: ad7923: adjust documentation

On 20/11/2022 18:06, Edmund Berenson wrote:
> - Add the ad7927 compatibility string, with fallback compatibility
> to ad7928.
> - ad7923 and ad7924 are treated the same in the driver, show
> the relationship in the documentation.
> 
> Suggested-by: Lukasz Zemla <Lukasz.Zemla@...dward.com>
> Signed-off-by: Edmund Berenson <edmund.berenson@...ix.com>
> ---
>  .../bindings/iio/adc/adi,ad7923.yaml          | 26 ++++++++++++-------

Do not respond with new patch to some old thread. Each patchset starts a
new thread.

>  1 file changed, 17 insertions(+), 9 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
> index 07f9d1c09c7d..e553853e25d5 100644
> --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
> @@ -11,7 +11,7 @@ maintainers:
>  
>  description: |
>    Analog Devices AD7904, AD7914, AD7923, AD7924 4 Channel ADCs, and AD7908,
> -   AD7918, AD7928 8 Channels ADCs.
> +   AD7918, AD7927, AD7928 8 Channels ADCs.
>  
>    Specifications about the part can be found at:
>      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7923.pdf
> @@ -20,14 +20,22 @@ description: |
>  
>  properties:
>    compatible:
> -    enum:
> -      - adi,ad7904
> -      - adi,ad7914
> -      - adi,ad7923
> -      - adi,ad7924
> -      - adi,ad7908
> -      - adi,ad7918
> -      - adi,ad7928
> +    oneOf:
> +      - enum:
> +          - adi,ad7904
> +          - adi,ad7914
> +          - adi,ad7908

You already started shuffling the entries, so make them ordered. What's
the point of changing the order from one non-sorted to another non-sorted?

> +          - adi,ad7918
> +          - adi,ad7923
> +          - adi,ad7924

Then deprecate this as alone compatible.

> +          - adi,ad7927> +          - adi,ad7928

Ditto

> +      - items:
> +          - const: adi,ad7923
> +          - const: adi,ad7924

I would expect lower number as fallback.

> +      - items:
> +          - const: adi,ad7927
> +          - const: adi,ad7928

Ditto.

>  
>    reg:
>      maxItems: 1

Best regards,
Krzysztof