Re: [RFT 0/4] GMSL Refresh (would be v6)

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Hi Jacopo,

Thanks for this refresh. The key part here is the refresh of the
V4L2-Mux series, which is what had previously blocked the GMSL series.

Will you post/publish the vl42-mux series on the linux-media mailinglist?

I know there are other interested parties who are looking at such topics
- so highlighting the latest version might be beneficial to promoting
discussions.


On 16/11/2019 16:50, Jacopo Mondi wrote:
> Hello this is refersh of our GMSL work.
> 
> Current situation is the following:
> - Kieran sent a full v4 with multiplexed stream support and has a v5 branch in
>   his repository with v4 review comment fixes on top
> 
> 	I rebased the multiplexed stream's series on latest media-master
> 	https://jmondi.org/cgit/linux/log/?h=v4l2-mux/media-master/v6
> 
> 	On top of that I took Kieran's v5 and re-applied on top:
> 	https://jmondi.org/cgit/linux/log/?h=jmondi/gmsl/kieran/v6
> 
> - Niklas sent a v1 (which sould have been a v5) which removes multiplexed
>   streams and only support one camera and was meant for inclusion but is still
>   floating around in linux-media, mostly because some of the comments on
>   Kieran's v4 still applied there, if I'm not mistaken.
> 
> 	I took Niklas' single stream max9286 and replaced the original
> 	bindings with a json-schema version
> 	https://jmondi.org/cgit/linux/log/?h=jmondi/gmsl/niklas/v6
> 
> I bumped all versions to v6 to avoid further confusion.
> 
> Not having a working GMSL setup I would ask to Kieran or Niklas to test this
> version so that we can try re-send the single stream max9286 version with new
> yaml bindings for inclusion.

Thanks, I can confirm that the rebase to current master was successful
(based on your branch with the version of patches based on my gmsl/v5)


As we now have two forks of the GMSL I'm going to rebase these such that
the separation between current topics is clear:

 - MAX9286 with support for a single camera (and only a single MAX9286)
	- This we could/should hope to get upstream
 - MAX9286 VC support
	- (requires the V4L2-Mux support of course)
 - MAX9286 dual device workaround (not suitable for upstream currently)
	- Required to function on the Salvator-XS GMSL board.

Once I've done (and tested this) I'll make a new posting (should we call
this v6? or v6.1?)


In the meantime, I will not be making changes to the RDACM20, so if you
wish to get started investigating the separation topic here - then I
don't think you are blocked on me.

--
Regards

Kieran




> (I kept linux-media e devicetree out as I would like to test the patches before
> expanding the receivers list)
> 
> Thanks
>    j
> 
> Jacopo Mondi (2):
>   arm64: dts: renesas: Add Maxim GMSL expansion board
>   arm64: dts: renesas: r8a7796=salvator-x: Include GMSL
> 
> Laurent Pinchart (1):
>   dt-bindings: media: i2c: Add bindings for Maxim Integrated MAX9286
> 
> Niklas Söderlund (1):
>   max9286: Add MAX9286 driver
> 
>  .../bindings/media/i2c/maxim,max9286.yaml     |  286 +++++
>  MAINTAINERS                                   |   10 +
>  .../boot/dts/renesas/r8a7795-salvator-x.dts   |    1 +
>  .../boot/dts/renesas/salvator-x-max9286.dtsi  |  394 ++++++
>  drivers/media/i2c/Kconfig                     |   11 +
>  drivers/media/i2c/Makefile                    |    1 +
>  drivers/media/i2c/max9286.c                   | 1081 +++++++++++++++++
>  7 files changed, 1784 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/maxim,max9286.yaml
>  create mode 100644 arch/arm64/boot/dts/renesas/salvator-x-max9286.dtsi
>  create mode 100644 drivers/media/i2c/max9286.c
> 
> --
> 2.23.0
> 




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