linux-kernel - Re: [PATCH RFC 1/2] media: V3s: Add support for Allwinner CSI.

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Message-ID: <20170703112521.ca253erguut5v7se@flea>
Date:   Mon, 3 Jul 2017 13:25:21 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Yong <yong.deng@...ewell.com>
Cc:     Hans Verkuil <hverkuil@...all.nl>, mchehab@...nel.org,
        robh+dt@...nel.org, mark.rutland@....com, wens@...e.org,
        hans.verkuil@...co.com, peter.griffin@...aro.org,
        hugues.fruchet@...com, krzk@...nel.org, bparrot@...com,
        arnd@...db.de, jean-christophe.trotin@...com,
        benjamin.gaignard@...aro.org, tiffany.lin@...iatek.com,
        kamil@...as.org, kieran+renesas@...uared.org.uk,
        andrew-ct.chen@...iatek.com, 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: [PATCH RFC 1/2] media: V3s: Add support for Allwinner CSI.

Hi,

On Mon, Jul 03, 2017 at 06:59:52PM +0800, Yong wrote:
> > > +	select VIDEOBUF2_DMA_CONTIG
> > > +	select REGMAP_MMIO
> > > +	---help---
> > > +	   Support for the Allwinner Camera Sensor Interface Controller.
> > 
> > This controller is the same for all Allwinner SoC models?
> 
> No.
> I will change the Kconfig and Makefile.

This is basically a design that has been introduced in the A31 (sun6i
family). I guess we should just call the driver and Kconfig symbols
sun6i_csi (even though we don't support it yet). It also used on the
A23, A33, A80, A83T, H3, and probably the H5 and A64.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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