Re: iss: camera interface omap5

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Hi Tony,

> Am 04.10.2019 um 18:11 schrieb Tony Lindgren <tony@xxxxxxxxxxx>:
> 
> * H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> [191004 07:25]:
>> Hi Tony,
>> is there a similar node for omap5 comparable to this for omap4:
>> 
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/omap4.dtsi?h=v5.4-rc1#n176

(I just noticed there seems to be a missing empty line between 216 and 217)

> 
> Not sure if it's the same interface as on omap4, but at
> least TRM has "8.1.3.1 ISS Instance Summary" at 0x52000000.

Ok.

IMHO there was a patch where someone got it working a while ago so it is likely the same:

	https://e2e.ti.com/support/interface/f/138/t/647460

Now I wonder how it can be updated to current target-module style.

Is it correct to do it similar to omap4 and replace

	/* No child device binding, driver in staging */

by a child node that is compatible to "ti,omap4-iss".
And there define a reg record like in the example on e2e?
I.e. split into sysc registers for the target-module@52000000
and driver specific registers in the child node?

Regarding clocks they likely have to stay with the target-module@52000000
node, right?

And what about the dma nodes? Also keep in the target-module@52000000?

BR and thanks,
Nikolaus





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