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Message-ID: <CA+V-a8vQ5De-QKNqGtOFuLduiFf6o8reNk_6SoHLvWaXgjoFcg@mail.gmail.com>
Date:   Mon, 29 Aug 2022 23:06:26 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Niklas Söderlund <niklas.soderlund@...natech.se>,
        Jacopo Mondi <jacopo@...ndi.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        linux-media <linux-media@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 0/4] Add driver for CSI2 and CRU modules found on Renesas
 RZ/G2L SoC

On Mon, Aug 1, 2022 at 10:47 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
>
> Hi All,
>
> This patch series aims to add driver support to CRU module found
> on Renesas RZ/G2L SoC.
>
> The Camera Data Receiving Unit (CRU) consists of a MIPI CSI-2
> block and an Image Processing block. The Image Processing block
> can receive video data received from the external Digital Parallel
> Interface or MIPI CSI-2 block, and perform appropriate image
> processing for each.
>
> More details:
> * https://renesas.info/wiki/File:CRU.png
> * https://www.renesas.com/document/mah/rzg2l-group-rzg2lc-group-users-manual-hardware-0?language=en&r=1467981
>
> Currently the driver has been tested using yavta and Gstreamer
> on RZ/G2L SMARC EVK using the ov5645 sensor on CSI2 interface
> only.
>
> RFC v2: https://patchwork.kernel.org/project/linux-renesas-soc/cover/20220121010543.31385-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
>
> RFC v1: https://patchwork.kernel.org/project/linux-renesas-soc/cover/20211207012351.15754-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
>
> Cheers,
> Prabhakar
>
> Lad Prabhakar (4):
>   media: dt-bindings: media: Document RZ/G2L CSI-2 block
>   media: dt-bindings: media: Document RZ/G2L CRU
>   media: platform: Add Renesas RZ/G2L MIPI CSI-2 receiver driver
>   media: platform: Add Renesas RZ/G2L CRU driver
>
>  .../bindings/media/renesas,rzg2l-cru.yaml     | 142 ++++
>  .../bindings/media/renesas,rzg2l-csi2.yaml    | 149 ++++
>  drivers/media/platform/renesas/Kconfig        |   1 +
>  drivers/media/platform/renesas/Makefile       |   1 +
>  .../media/platform/renesas/rzg2l-cru/Kconfig  |  34 +
>  .../media/platform/renesas/rzg2l-cru/Makefile |   6 +
>  .../platform/renesas/rzg2l-cru/rzg2l-core.c   | 371 +++++++++
>  .../platform/renesas/rzg2l-cru/rzg2l-cru.h    | 144 ++++
>  .../platform/renesas/rzg2l-cru/rzg2l-csi2.c   | 702 +++++++++++++++++
>  .../platform/renesas/rzg2l-cru/rzg2l-csi2.h   |  49 ++
>  .../platform/renesas/rzg2l-cru/rzg2l-dma.c    | 728 ++++++++++++++++++
>  .../platform/renesas/rzg2l-cru/rzg2l-v4l2.c   | 354 +++++++++
>  12 files changed, 2681 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
>  create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-csi2.yaml
>  create mode 100644 drivers/media/platform/renesas/rzg2l-cru/Kconfig
>  create mode 100644 drivers/media/platform/renesas/rzg2l-cru/Makefile
>  create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c
>  create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h
>  create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
>  create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.h
>  create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-dma.c
>  create mode 100644 drivers/media/platform/renesas/rzg2l-cru/rzg2l-v4l2.c
>
Gentle ping, request to review the driver code.

Cheers,
Prabhakar

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