From: Ilya Yanok <yanok@emcraft.com>
To: Igor Grinberg <grinberg@compulab.co.il>
Cc: linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org,
devicetree-discuss@lists.ozlabs.org, sasha_d@emcraft.com
Subject: Re: [PATCH 2/2] mt_ventoux: support for TeeJet Mt.Ventoux board
Date: Thu, 12 Jan 2012 00:04:14 +0400 [thread overview]
Message-ID: <4F0DEB3E.6060809@emcraft.com> (raw)
In-Reply-To: <4F02CED6.8090709@compulab.co.il>
Hi Igor,
On 03.01.2012 13:48, Igor Grinberg wrote:
>> I will forward this info to hardware guys and ask about wiring. For now
>> I will leave it as is. Thanks for this information it turned to be some
>> kind of mystery. It would be great if you could give some pointer to the
>> datasheet regarding VDDSHV and DSS.
>
> Well, there is no direct pointer to that information, but
> I've found these facts:
> 1) the "Ball Characteristics" tables state that the DSS related pins
> (and also many others) are powered by the VDDSHV.
> 2) the estimated power consumption of VDDSHV is the largest after the
> VDD_CORE, which is typical for DSS, but it is also one of the largest
> power domains, so I guess this cannot be a valid argument ;-)
> 3) On the "Voltage domains" diagram, only the VDD_CORE is exposed and
> DSS is not listed in it, but there are other domains which are not
> exposed... (this only can exclude the DSS from VDD_CORE, but not
> absolutely, as datasheets can have mistakes or just not give that piece
> of information).
>
> Still, it is a guess and not verified information.
Yes, I understand. Thanks for sharing you thoughts!
Regards, Ilya.
next prev parent reply other threads:[~2012-01-11 20:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-26 23:08 [PATCH 0/2] Support for TeeJet Mt.Ventoux Ilya Yanok
2011-12-26 23:08 ` [PATCH 1/2] mt_ventoux: very basic support for TeeJet Mt.Ventoux board Ilya Yanok
2012-01-04 19:54 ` Grant Likely
2012-01-05 8:40 ` Igor Grinberg
2011-12-26 23:08 ` [PATCH 2/2] mt_ventoux: " Ilya Yanok
2011-12-27 7:56 ` Igor Grinberg
2011-12-27 23:02 ` Ilya Yanok
2012-01-03 9:48 ` Igor Grinberg
2012-01-11 20:04 ` Ilya Yanok [this message]
2011-12-27 23:09 ` [PATCH V2] " Ilya Yanok
2012-02-01 10:51 ` Stefano Babic
2012-03-05 21:46 ` Tony Lindgren
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