linux-kernel - Re: [PATCH 1/2] dt-bindings: soc: bcm: bcm2835-vchiq: Add support for bcm2711

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Date:   Wed, 23 Mar 2022 13:44:46 -0500
From:   Rob Herring <robh@...nel.org>
To:     Adrien Thierry <athierry@...hat.com>
Cc:     linux-kernel@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Stefan Wahren <stefan.wahren@...e.com>,
        devicetree@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Gaston Gonzalez <gascoar@...il.com>,
        Ojaswin Mujoo <ojaswin98@...il.com>,
        linux-staging@...ts.linux.dev
Subject: Re: [PATCH 1/2] dt-bindings: soc: bcm: bcm2835-vchiq: Add support
 for bcm2711

On Tue, Mar 15, 2022 at 04:09:28PM -0400, Adrien Thierry wrote:
> Add a new compatible string for BCM2711. This is the chip used on the
> Raspberry Pi 4.
> 
> Signed-off-by: Adrien Thierry <athierry@...hat.com>
> ---
>  .../devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.yaml     | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.yaml b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.yaml
> index e04439b3355b..599bd283df1b 100644
> --- a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.yaml
> +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.yaml
> @@ -27,6 +27,12 @@ properties:
>                - brcm,bcm2836-vchiq
>            - const: brcm,bcm2835-vchiq
>  
> +      - description: BCM2711 based boards
> +        items:
> +          - enum:
> +              - brcm,bcm2711-vchiq
> +          - const: brcm,bcm2711-vchiq

Why do you have the same compatible twice?

> +
>    reg:
>      description: Physical base address and length of the doorbell register pair
>      minItems: 1
> -- 
> 2.35.1
> 
>