linux-kernel - Re: [linux-sunxi] [PATCH v9 0/2] Initial Allwinner V3s CSI Support

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Message-ID: <a6205796-ee42-1ecc-dfaa-74c196bcadd1@xevo.com>
Date:   Thu, 29 Mar 2018 10:28:43 -0700
From:   Martin Kelly <mkelly@...o.com>
To:     yong.deng@...ewell.com
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Ramesh Shanmugasundaram <ramesh.shanmugasundaram@...renesas.com>,
        Yannick Fertre <yannick.fertre@...com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Todor Tomov <todor.tomov@...aro.org>,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [linux-sunxi] [PATCH v9 0/2] Initial Allwinner V3s CSI Support

On 03/28/2018 06:02 PM, Yong wrote:
> 
> AFAIK, there is no document about MIPI CSI-2. You can take a look at the
> source code in BSP:
> https://github.com/friendlyarm/h3_lichee/tree/master/linux-3.4/drivers/media/video/sunxi-vfe/mipi_csi
> And try to port it to mainline.
> 

Yep, I see there's lots of magic constants in that code. I might try to 
forward-port it, but it won't be very maintainable or easy to change 
without a datasheet. That's too bad.

Thanks for the information, Yong.