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Date: Thu, 29 Mar 2018 09:02:56 +0800
From: Yong <yong.deng@magewell.com>
To: Martin Kelly <mkelly@xevo.com>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>, Mauro Carvalho Chehab
 <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland
 <mark.rutland@arm.com>, Chen-Yu Tsai <wens@csie.org>, "David S. Miller"
 <davem@davemloft.net>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
 Linus Walleij <linus.walleij@linaro.org>, Randy Dunlap
 <rdunlap@infradead.org>, Hans Verkuil <hans.verkuil@cisco.com>, Stanimir
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 <benjamin.gaignard@linaro.org>, Arnd Bergmann <arnd@arndb.de>, Philipp
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 devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
 linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com
Subject: Re: [linux-sunxi] [PATCH v9 0/2] Initial Allwinner V3s CSI Support
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	<9b60dee0-2504-6ae3-fda3-64c4458025c3@xevo.com>
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Hi,

On Wed, 28 Mar 2018 16:29:47 -0700
Martin Kelly <mkelly@xevo.com> wrote:

> On 03/05/2018 05:51 PM, Yong Deng wrote:
> > This patchset add initial support for Allwinner V3s CSI.
> > 
> > Allwinner V3s SoC features two CSI module. CSI0 is used for MIPI CSI-2
> > interface and CSI1 is used for parallel interface. This is not
> > documented in datasheet but by test and guess.
> > 
> > This patchset implement a v4l2 framework driver and add a binding
> > documentation for it.
> > 
> > Currently, the driver only support the parallel interface. And has been
> > tested with a BT1120 signal which generating from FPGA. The following
> > fetures are not support with this patchset:
> >    - ISP
> >    - MIPI-CSI2
> >    - Master clock for camera sensor
> >    - Power regulator for the front end IC
> > 
> 
> Hi Yong,
> 
> Thanks so much, this driver is a great contribution!
> 
> Unfortunately the board I'm working with (nanopi neo air) uses the MIPI 
> CSI-2 CSI0 interface rather than CSI1. Do you have any plans to support 
> the MIPI CSI-2 interface at some point? If not, do you know the scope of 
> what would be involved?

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.

Thanks,
Yong