linux-kernel - Re: [PATCH v2 1/2] media: dt-bindings: mediatek: Add phandle to mediatek,scp on MDP3 RDMA

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Date:   Fri, 6 Oct 2023 00:36:30 +0100
From:   Conor Dooley <conor@...nel.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     mchehab@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        matthias.bgg@...il.com, moudy.ho@...iatek.com,
        hverkuil-cisco@...all.nl, sakari.ailus@...ux.intel.com,
        u.kleine-koenig@...gutronix.de, linqiheng@...wei.com,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, kernel@...labora.com,
        wenst@...omium.org
Subject: Re: [PATCH v2 1/2] media: dt-bindings: mediatek: Add phandle to
 mediatek,scp on MDP3 RDMA

On Thu, Oct 05, 2023 at 12:49:04PM +0200, AngeloGioacchino Del Regno wrote:
> The MDP3 RDMA needs to communicate with the SCP remote processor: allow
> specifying a phandle to a SCP core.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
> 
> v2: I've dropped Conor and Chen-Yu's Reviewed-by tags because I have changed
>     the description (so, the patch actually changed a bit).

I dunno, you made it more informative so you could probably have kept
mine at least.
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>

Thanks,
Conor.

> 
>  .../devicetree/bindings/media/mediatek,mdp3-rdma.yaml     | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
> index 7032c7e15039..59dcea797b71 100644
> --- a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
> +++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
> @@ -45,6 +45,14 @@ properties:
>        include/dt-bindings/gce/<chip>-gce.h of each chips.
>      $ref: /schemas/types.yaml#/definitions/uint32-array
>  
> +  mediatek,scp:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      Phandle to the System Control Processor (SCP) used for initializing
> +      and stopping the MDP3, for sending frame data locations to the MDP3's
> +      VPU and to install Inter-Processor Interrupt handlers to control
> +      processing states.
> +
>    power-domains:
>      maxItems: 1
>  
> -- 
> 2.42.0
> 

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