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

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Message-ID: <CAGXv+5Hk2Hd_GPk8WerpyZ0NGtoWOiMPY-LquJxLGbG2Wo6FMA@mail.gmail.com>
Date:   Tue, 19 Sep 2023 18:28:15 +0800
From:   Chen-Yu Tsai <wenst@...omium.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
Subject: Re: [PATCH 1/2] media: dt-bindings: mediatek: Add phandle to
 mediatek,scp on MDP3 RDMA

On Tue, Sep 19, 2023 at 5:59 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com> 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>

Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>

> ---
>  .../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
> +
>    power-domains:
>      oneOf:
>        - items:
> @@ -98,6 +103,7 @@ examples:
>          mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x1000 0x1000>;
>          mediatek,gce-events = <CMDQ_EVENT_MDP_RDMA0_SOF>,
>                                <CMDQ_EVENT_MDP_RDMA0_EOF>;
> +        mediatek,scp = <&scp>;
>          power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
>          clocks = <&mmsys CLK_MM_MDP_RDMA0>,
>                   <&mmsys CLK_MM_MDP_RSZ1>;
> --
> 2.42.0
>