linux-kernel - Re: [PATCH 0/3] ARM: OMAP3: Fix McBSP2/3 hwmod setup for sidetone

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Date:	Mon, 21 Mar 2016 13:21:07 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Peter Ujfalusi <peter.ujfalusi@...com>
Cc:	Paul Walmsley <paul@...an.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jarkko Nikula <jarkko.nikula@...mer.com>,
	Tero Kristo <t-kristo@...com>, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH 0/3] ARM: OMAP3: Fix McBSP2/3 hwmod setup for sidetone

Hi,

* Peter Ujfalusi <peter.ujfalusi@...com> [160321 01:39]:
> 
> This is also interesting:
> McBSP2 sidetone is in region 39 and 40 (module and L4 interconnect) which is
> unique in case of OMAP34xx and OMAP35xx, but it is overlapping with GPIO6 on
> OMAP36xx. Not sure what are the implications.

Hmm GPIO6 is in a different L4 segment though? Maybe
you did not account for the segments?

0x49000000 + 0x20000 + 0x2000/0x4000/0x6000 for McBSP
0x49000000 + 0x50000 + 0x8000 for GPIO6

Or maybe I don't understand at which physical address the
overlap is? :)

Let me know if you need me to dump out the IO ranges for
you from the AP table for 34xx and 36xx.

Regards,

Tony