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

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Message-ID: <318c050c-3007-d1d5-e727-6c117de12522@collabora.com>
Date:   Mon, 2 Oct 2023 13:17:02 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        mchehab@...nel.org
Cc:     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 1/2] media: dt-bindings: mediatek: Add phandle to
 mediatek,scp on MDP3 RDMA

Il 23/09/23 19:38, Krzysztof Kozlowski ha scritto:
> On 19/09/2023 11:59, 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>
>> ---
>>   .../devicetree/bindings/media/mediatek,mdp3-rdma.yaml       | 6 ++++++
>>   1 file changed, 6 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
>> index d639a1461143..0e5ce2e77e99 100644
>> --- a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
>> +++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
>> @@ -46,6 +46,11 @@ 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) node
> 
> Why? Why do you need it? For what do you add here phandle? Your
> description should explain the purpose.
> 

Sorry for the slow reply, just seen your feedback, thanks!
I'll add a nicer description for v2.

Cheers,
Angelo