linux-kernel - Re: [PATCH v11 02/15] dt-bindings: mmc: cdns: Add AMD Pensando Elba SoC

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Date:   Sun, 12 Mar 2023 21:57:03 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Brad Larson <blarson@....com>, linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-spi@...r.kernel.org, adrian.hunter@...el.com,
        alcooperx@...il.com, andy.shevchenko@...il.com, arnd@...db.de,
        brendan.higgins@...ux.dev, briannorris@...omium.org,
        brijeshkumar.singh@....com, catalin.marinas@....com,
        davidgow@...gle.com, gsomlo@...il.com, gerg@...ux-m68k.org,
        krzk@...nel.org, krzysztof.kozlowski+dt@...aro.org, lee@...nel.org,
        lee.jones@...aro.org, broonie@...nel.org,
        yamada.masahiro@...ionext.com, p.zabel@...gutronix.de,
        piotrs@...ence.com, p.yadav@...com, rdunlap@...radead.org,
        robh+dt@...nel.org, samuel@...lland.org, fancer.lancer@...il.com,
        skhan@...uxfoundation.org, suravee.suthikulpanit@....com,
        thomas.lendacky@....com, tonyhuang.sunplus@...il.com,
        ulf.hansson@...aro.org, vaishnav.a@...com, will@...nel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v11 02/15] dt-bindings: mmc: cdns: Add AMD Pensando Elba
 SoC

On 12/03/2023 01:44, Brad Larson wrote:
> AMD Pensando Elba ARM 64-bit SoC is integrated with this IP and
> explicitly controls byte-lane enables.
> 
> Signed-off-by: Brad Larson <blarson@....com>

Thank you for your patch. There is something to discuss/improve.

>    interrupts:
>      maxItems: 1
> @@ -120,6 +119,27 @@ required:
>    - interrupts
>    - clocks
>  
> +allOf:
> +  - $ref: mmc-controller.yaml
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: amd,pensando-elba-sd4hc
> +    then:
> +      properties:
> +        reg:
> +          items:
> +            - description: Host controller registers
> +            - description: Elba byte-lane enable register for writes
> +      required:
> +        - resets
> +    else:
> +      properties:
> +        resets: false

I don't think this passed the tests... You disallow resets for everyone
else. Why? Drop this line.

> +        reg:
> +          maxItems: 1
> +
>  unevaluatedProperties: false
>  
>  examples:

Best regards,
Krzysztof