linux-kernel - Re: [PATCH 03/11] dt-bindings: mmc: Add Pensando Elba SoC binding

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Date:   Thu, 7 Apr 2022 20:57:53 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Brad Larson <brad@...sando.io>,
        linux-arm-kernel@...ts.infradead.org
Cc:     arnd@...db.de, linus.walleij@...aro.org, bgolaszewski@...libre.com,
        broonie@...nel.org, fancer.lancer@...il.com,
        adrian.hunter@...el.com, ulf.hansson@...aro.org, olof@...om.net,
        dac2@...sando.io, linux-gpio@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/11] dt-bindings: mmc: Add Pensando Elba SoC binding

On 07/04/2022 01:36, Brad Larson wrote:
> Pensando Elba ARM 64-bit SoC is integrated with this IP and
> explicitly controls byte-lane enables resulting in an additional
> reg property resource.
> 
> Signed-off-by: Brad Larson <brad@...sando.io>
> ---
> Change from V3:
> - Change from elba-emmc to elba-sd4hc to match file convention
> - Use minItems: 1 and maxItems: 2 to pass schema check
> 
>  Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
> index 4207fed62dfe..278a71b27488 100644
> --- a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
> +++ b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
> @@ -19,10 +19,12 @@ properties:
>        - enum:
>            - microchip,mpfs-sd4hc
>            - socionext,uniphier-sd4hc
> +          - pensando,elba-sd4hc

Put your entry in alphabetical order.

>        - const: cdns,sd4hc
>  
>    reg:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2

This needs allOf:if:then: which sets constraint on number of items per
different compatible.

>  
>    interrupts:
>      maxItems: 1


Best regards,
Krzysztof