linux-kernel - Re: [PATCH v2] dt-bindings: ata: Add UniPhier controller binding

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Date:   Mon, 13 Feb 2023 10:10:24 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Jens Axboe <axboe@...nel.dk>
Cc:     linux-ide@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: ata: Add UniPhier controller binding

On 13/02/2023 05:54, Kunihiko Hayashi wrote:
> Add UniPhier SATA controller compatible string to the platform binding.
> This controller needs maximum three reset controls.
> 
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
> ---
>  .../devicetree/bindings/ata/ahci-platform.yaml  | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> Changes since v1:
> - Restrict resets property changes with compatible strings
> - Fix maxItems from two to three
> 
> diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.yaml b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
> index 7dc2a2e8f598..25dd5ffaa517 100644
> --- a/Documentation/devicetree/bindings/ata/ahci-platform.yaml
> +++ b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
> @@ -45,6 +45,9 @@ properties:
>                - marvell,armada-8k-ahci
>                - marvell,berlin2-ahci
>                - marvell,berlin2q-ahci
> +              - socionext,uniphier-pro4-ahci
> +              - socionext,uniphier-pxs2-ahci
> +              - socionext,uniphier-pxs3-ahci
>            - const: generic-ahci
>        - enum:

Top level is saying reset=1, so did you test your bindings?

>            - cavium,octeon-7130-ahci
> @@ -76,6 +79,20 @@ properties:
>    resets:
>      maxItems: 1
>  
> +if:
Keep it in allOf like in example-schema. Will save you one re-indent
pretty soon...


> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - socionext,uniphier-pro4-ahci
> +          - socionext,uniphier-pxs2-ahci
> +          - socionext,uniphier-pxs3-ahci
> +then:
> +  properties:
> +    resets:
> +      minItems: 1
> +      maxItems: 3

And entire allOf goes to the place like in example-schema.
> +
>  patternProperties:
>    "^sata-port@[0-9a-f]+$":
>      $ref: /schemas/ata/ahci-common.yaml#/$defs/ahci-port

Best regards,
Krzysztof