linux-kernel - Re: [PATCH v2 2/4] media: platform: mediatek: isp

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Message-ID: <CAAOTY_-qu2RWr496wXxc1Cp14eZfzKt4QgEH8fJns2LOjpwi8Q@mail.gmail.com>
Date:   Sun, 2 Jul 2023 07:35:12 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Julien Stephan <jstephan@...libre.com>
Cc:     Louis Kuo <louis.kuo@...iatek.com>,
        Phi-bang Nguyen <pnguyen@...libre.com>,
        Florian Sylvestre <fsylvestre@...libre.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Andy Hsieh <andy.hsieh@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Conor Dooley <conor+dt@...nel.org>,
        daoyuan huang <daoyuan.huang@...iatek.com>,
        devicetree@...r.kernel.org,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-media@...r.kernel.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Moudy Ho <moudy.ho@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Vasily Gorbik <gor@...ux.ibm.com>
Subject: Re: [PATCH v2 2/4] media: platform: mediatek: isp_30: add mediatek
 ISP3.0 sensor interface

Hi, Julien:

Julien Stephan <jstephan@...libre.com> 於 2023年6月30日 週五 下午6:05寫道：
>
> From: Louis Kuo <louis.kuo@...iatek.com>
>
> This will add the mediatek ISP3.0 seninf (sensor interface) driver found
> on several Mediatek SoCs such as the mt8365.
>
> Then seninf module has 4 physical CSI-2 inputs. Depending on the soc they
> may not be all connected.
>
> Signed-off-by: Louis Kuo <louis.kuo@...iatek.com>
> Signed-off-by: Phi-bang Nguyen <pnguyen@...libre.com>
> Signed-off-by: Florian Sylvestre <fsylvestre@...libre.com>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Signed-off-by: Julien Stephan <jstephan@...libre.com>
>

[snip]

> +
> +static const struct mtk_seninf_conf seninf_8365_conf = {
> +       .model = "mtk-camsys-3.0",
> +       .nb_inputs = 4,
> +       .nb_muxes = 6,
> +       .nb_outputs = 4,
> +};
> +
> +static const struct of_device_id mtk_seninf_of_match[] = {
> +       {
> +               .compatible = "mediatek,mt8365-seninf",
> +               .data = &seninf_8365_conf,

Now only support one SoC, so it's necessary to select the SoC data and
you could directly place the data in the code. After support other
SoC, so we could know what should be placed in struct mtg_seninf_conf
(Now we have no any information).

Regards,
Chun-Kuang.

> +       },
> +       {
> +       },
> +};
> +MODULE_DEVICE_TABLE(of, mtk_seninf_of_match);