Re: [PATCH 1/2] ARM: dts: gose: Fix ports node name for adv7180

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Hi Geert,

On 2020-07-13 09:51:08 +0200, Geert Uytterhoeven wrote:
> > > Don't we need the same fix for the other boards?
> >
> > The only other board we have that uses the same compatible string
> > (adi,adv7180cp) is Draak and there the ports node is already correctly
> > named.
> 
> Ah, I missed Gose is using "adi,adv7180cp", while Lager, Koelsch, Porter,
> Alt, and Silk are using "adi,adv7180".
> 
> Next question: why the difference? Gose and Koelsch should be identical
> w.r.t. these interfaces.  In fact all boards listed above are using
> ADV7180WBCP32Z, and seem to use similar wiring.

Good point.

The difference as far as I can tell is only in the bindings. The older 
'adi,adv7180' compatibility string only describes where the adv7180 is 
transmitting the data it collects from an undescribed connector. While 
the more recent compat string 'adi,adv7180cp' describes both the 
destination and the connector. A good example as you point out is to 
compare koelsch with gose. From a V4L2 point of view the connector being 
described does not effect the capture operation.

Ulrich maybe you can help us shed some light on this as you added the 
new compat strings?

> 
> What's happening?

If I only knew ;-)

-- 
Regards,
Niklas Söderlund



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