Re: hooking Sony 47MPixel sensor to NXP imx8m-mini MIPI CSI2

[Petko Manolov <petko.manolov@konsulko.com>]

On 22-07-05 12:43:41, Petko Manolov wrote:
> On 22-06-30 22:42:57, Laurent Pinchart wrote:
> > On Thu, Jun 30, 2022 at 09:52:05PM +0300, Petko Manolov wrote:
> > > On 22-06-30 03:50:55, Laurent Pinchart wrote:
> > > > 
> > > > For an i.MX8MM I'd try running the mainline kernel directly. If that 
> > > > doesn't work, I would backport the camera drivers from mainline to the 
> > > > v5.15 NXP kernel. As far as I know, the v5.18 branch isn't an official 
> > > > BSP release (I'm actually not sure what it's for).
> > > 
> > > The 5.15 NXP kernel got released sometime in June, but the CSI capture 
> > > drivers are pretty much the same as in their older versions.  So sad...
> > > 
> > > Nevermind, i'll share any good news here as well as the imx492 driver code 
> > > as soon i am certain it can successfully stream in at least one mode.
> > > 
> > > BTW, the 'fec' section in Variscite's var-som-symphony DT is broken for 
> > > v5.18 (mainline) kernels. I am not certain whom should i send the patch.  
> > > Would that be Rob Herring or should i just use 'git blame' to identify the 
> > > victim? :)
> > 
> > scripts/get_maintainer.pl is your friend for that.
> 
> Done, sent a patch for review to lkml and Rob.

Still waiting for the storm to come... ;)

> Banged on var-som-symphony DT enough to get imx492 detected (on 5.19.0-rc4) by 
> its driver.  imx-mipi-csis also looks happy enough.  Both drivers finish their 
> probe() successfully.  However, i don't see /dev/video0, any ideas what might 
> be the reason?

Please ignore the above.  I had to enable VIDEO_IMX7_CSI for the right driver to 
get loaded.  What a mess.


		Petko