linux-kernel - Re: [PATCH 4/5] media: fsd: add MIPI CSI2 Rx controller driver

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Message-ID: <f04e9d91-f953-6f75-2f17-a4054384ef75@kernel.org>
Date:   Mon, 21 Nov 2022 12:48:54 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Sathyakam M <sathya@...sung.com>, mchehab@...nel.org,
        laurent.pinchart@...asonboard.com, hverkuil-cisco@...all.nl,
        jernej.skrabec@...il.com, ming.qian@....com, digetx@...il.com,
        jacopo@...ndi.org, pankaj.dubey@...sung.com,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] media: fsd: add MIPI CSI2 Rx controller driver

On 21/11/2022 05:53, Sathyakam M wrote:
> The FSD MIPI CSI2 Rx controller is compliant to MIPI CSI2 v1.3 and
> D-PHY v1.2 specifications.
> 
> There are up to maximum 4 data lanes (default).
> Controls are provided for User to change number of lanes if needed.
> 
> Both the video and v4l-subdev instances are exposed to the user
> under /dev directory.
> 
> The driver can be built as a loadable module or as a platform_driver.
> 
> Signed-off-by: Sathyakam M <sathya@...sung.com>
> Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
> Cc: Sathyakam M <sathya@...sung.com>
> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Cc: Hans Verkuil <hverkuil-cisco@...all.nl>
> Cc: Jernej Skrabec <jernej.skrabec@...il.com>
> Cc: Ming Qian <ming.qian@....com>
> Cc: Dmitry Osipenko <digetx@...il.com>
> Cc: Jacopo Mondi <jacopo@...ndi.org>
> Cc: Pankaj Kumar Dubey <pankaj.dubey@...sung.com>
> Cc: linux-media@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---
>  .../media/drivers/fsd-csis-uapi.rst           |   78 +
>  MAINTAINERS                                   |    1 +
>  drivers/media/platform/Kconfig                |    1 +
>  drivers/media/platform/Makefile               |    1 +
>  drivers/media/platform/fsd/Kconfig            |   73 +
>  drivers/media/platform/fsd/Makefile           |    1 +
>  drivers/media/platform/fsd/fsd-csis.c         | 2664 +++++++++++++++++
>  drivers/media/platform/fsd/fsd-csis.h         |  785 +++++

drivers/media/platform/samsung/

Plus we have drivers for it, so please integrate with existing ones.
Samsung is known of heavily reusing its IP core designs, so they are
usually similar.

Best regards,
Krzysztof