Re: omap3isp device tree support

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Hi Enrico,

On Friday 10 January 2014 00:14:47 Enrico wrote:
> On Tue, Jan 7, 2014 at 5:59 PM, Laurent Pinchart wrote:
> > On Friday 03 January 2014 12:30:33 Enrico wrote:
> >> On Wed, Dec 18, 2013 at 11:09 AM, Enrico wrote:
> >> > On Tue, Dec 17, 2013 at 2:11 PM, Florian Vaussard wrote:
> >> >> So I converted the iommu to DT (patches just sent),
> > 
> > Florian, I've used your patches as a base for OMAP3 ISP DT work and they
> > seem pretty good (although patch 1/7 will need to be reworked, but that's
> > not a blocker). I've just had to fix a problem with the OMAP3 IOMMU,
> > please see
> > 
> > http://git.linuxtv.org/pinchartl/media.git/commit/d3abafde0277f168df0b2912
> > b5d84550590d80b2
> > 
> > I'd appreciate your comments on that. I can post the patch already if you
> > think that would be helpful.
> > 
> > You can find my work-in-progress branch at
> > 
> > http://git.linuxtv.org/pinchartl/media.git/shortlog/refs/heads/omap3isp/dt
> > 
> > (the last three patches are definitely not complete yet).
> > 
> >> >> used pdata quirks for the isp / mtv9032 data, added a few patches from
> >> >> other people (mainly clk to fix a crash when deferring the omap3isp
> >> >> probe), and a few small hacks. I get a 3.13-rc3 (+ board-removal part
> >> >> from Tony Lindgren) to boot on DT with a working MT9V032 camera. The
> >> >> missing part is the DT binding for the omap3isp, but I guess that we
> >> >> will have to wait a bit more for this.
> >> >> 
> >> >> If you want to test, I have a development tree here [1]. Any feedback
> >> >> is welcome.
> >> >> 
> >> >> Cheers,
> >> >> 
> >> >> Florian
> >> >> 
> >> >> [1] https://github.com/vaussard/linux/commits/overo-for-3.14/iommu/dt
> >> > 
> >> > Thanks Florian,
> >> > 
> >> > i will report what i get with my setup.
> >> 
> >> And here i am.
> >> 
> >> I can confirm it works, video source is tvp5150 (with platform data in
> >> pdata-quirks.c) in bt656 mode.
> >> 
> >> Laurent, i used the two bt656 patches from your omap3isp/bt656 tree so
> >> if you want to push it you can add a Tested-by me.
> > 
> > The second patch is not clean enough in my opinion. I need to find time to
> > work on it. I had set some time aside for OMAP3 ISP development last week
> > but I've ended up working on DT support (not done yet, I've worked with
> > Sakari and he might finish the job in the upcoming weeks) instead of
> > BT.656. I'm afraid this will have to wait for around three weeks.
> 
> Yes i know the history of those patches, and if i'm not wrong you
> didn't have the hardware to test them so i just wanted to confirm that
> they work (apart from the other problem).

That's correct, but thanks to a generous donator (who I'm not sure I can name) 
I now have the hardware, I just need to find time :-)

-- 
Regards,

Laurent Pinchart
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