Re: [PATCH] arm64: dts: msm8916: Enable CoreSight STM component

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Hi Mike,

On Wed, Mar 24, 2021 at 09:22:31PM +0000, Mike Leach wrote:
> Hi Leo,
>
> There are additional CTI components on the DB410c - I think there is
> information on base addresses for these - but there is no information
> on connectivity between the CTIs and any components such as STM / ETR
> etc for any of the in / out signal lines.
> Therefore we omitted these from the original DT when adding the other
> CTI devices.
>
> It could well be that there are signals from the STM to a CTI, and if
> the information could be found then it would be useful to add - but I
> have not seen this information anywhere - and it is the sort of thing
> that is often missed out of hardware manuals.
> It might be possible to deduce some information using the Coresight
> intergration management registers - but this would involve a lot of
> trial and error testing

Okay, let's firstly merge the STM binding patch and later can consider
to enable DT binding between CTI and STM if have sufficient info.

Thanks a lot for confirmation.


Leo



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