From: Prashant Gaikwad <pgaikwad@nvidia.com>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: Device tree binding for DVFS table
Date: Wed, 18 Jul 2012 12:58:22 +0000 [thread overview]
Message-ID: <5006B01E.7020504@nvidia.com> (raw)
In-Reply-To: <20120717143754.GB3107@sirena.org.uk>
On Tuesday 17 July 2012 08:07 PM, Mark Brown wrote:
> On Tue, Jul 17, 2012 at 07:52:12PM +0530, Prashant Gaikwad wrote:
>
>>> What happens if there's more than one supply that needs to be varied?
>> Each rail's dvfs-table will have OPP nodes defined for different
>> voltages and each OPP node contains frequency for all clocks
>> affecting that rail.
> Right, but some systems have operating points which cover a combination
> of voltages and frequencies in one operating point. Your binding seems
> to define operating points per supply with no tie in between supplies.
We had discussed this in previous replies and thought that it can be
expressed in separate DT nodes, may be regulator.
WARNING: multiple messages have this Message-ID (diff)
From: pgaikwad@nvidia.com (Prashant Gaikwad)
To: linux-arm-kernel@lists.infradead.org
Subject: Device tree binding for DVFS table
Date: Wed, 18 Jul 2012 18:16:22 +0530 [thread overview]
Message-ID: <5006B01E.7020504@nvidia.com> (raw)
In-Reply-To: <20120717143754.GB3107@sirena.org.uk>
On Tuesday 17 July 2012 08:07 PM, Mark Brown wrote:
> On Tue, Jul 17, 2012 at 07:52:12PM +0530, Prashant Gaikwad wrote:
>
>>> What happens if there's more than one supply that needs to be varied?
>> Each rail's dvfs-table will have OPP nodes defined for different
>> voltages and each OPP node contains frequency for all clocks
>> affecting that rail.
> Right, but some systems have operating points which cover a combination
> of voltages and frequencies in one operating point. Your binding seems
> to define operating points per supply with no tie in between supplies.
We had discussed this in previous replies and thought that it can be
expressed in separate DT nodes, may be regulator.
next prev parent reply other threads:[~2012-07-18 12:58 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-11 12:56 Device tree binding for DVFS table Prashant Gaikwad
2012-07-11 13:08 ` Prashant Gaikwad
2012-07-11 14:03 ` Rob Herring
2012-07-11 14:03 ` Rob Herring
2012-07-11 14:44 ` Mark Brown
2012-07-11 14:44 ` Mark Brown
2012-07-11 20:04 ` Mike Turquette
2012-07-11 20:04 ` Mike Turquette
2012-07-12 4:14 ` Prashant Gaikwad
2012-07-12 4:26 ` Prashant Gaikwad
2012-07-12 14:10 ` Peter De Schrijver
2012-07-12 14:10 ` Peter De Schrijver
2012-07-12 17:10 ` Mike Turquette
2012-07-12 17:10 ` Mike Turquette
2012-07-12 17:15 ` Mark Brown
2012-07-12 17:15 ` Mark Brown
2012-07-13 10:34 ` Peter De Schrijver
2012-07-13 10:34 ` Peter De Schrijver
2012-07-13 17:25 ` Mike Turquette
2012-07-13 17:25 ` Mike Turquette
2012-07-12 4:17 ` Prashant Gaikwad
2012-07-12 4:29 ` Prashant Gaikwad
2012-07-12 15:23 ` Mark Brown
2012-07-12 15:23 ` Mark Brown
2012-07-12 17:01 ` Mike Turquette
2012-07-12 17:01 ` Mike Turquette
2012-07-12 8:19 ` Peter De Schrijver
2012-07-12 8:19 ` Peter De Schrijver
2012-07-12 4:08 ` Prashant Gaikwad
2012-07-12 4:20 ` Prashant Gaikwad
2012-07-13 18:30 ` Prashant Gaikwad
2012-07-13 18:42 ` Prashant Gaikwad
2012-07-15 21:40 ` Mark Brown
2012-07-15 21:40 ` Mark Brown
2012-07-15 23:42 ` Rob Herring
2012-07-15 23:42 ` Rob Herring
2012-07-16 18:36 ` Turquette, Mike
2012-07-16 18:36 ` Turquette, Mike
2012-07-17 12:37 ` Prashant Gaikwad
2012-07-17 12:49 ` Prashant Gaikwad
2012-07-17 13:20 ` Mark Brown
2012-07-17 13:20 ` Mark Brown
2012-07-17 14:22 ` Prashant Gaikwad
2012-07-17 14:34 ` Prashant Gaikwad
2012-07-17 14:37 ` Mark Brown
2012-07-17 14:37 ` Mark Brown
2012-07-18 12:46 ` Prashant Gaikwad [this message]
2012-07-18 12:58 ` Prashant Gaikwad
2012-07-18 21:19 ` Mark Brown
2012-07-18 21:19 ` Mark Brown
2012-07-18 17:08 ` Shawn Guo
2012-07-18 17:08 ` Shawn Guo
2012-07-11 13:08 함명주
2012-07-11 13:08 ` 함명주
2012-07-11 13:49 ` Peter De Schrijver
2012-07-11 13:49 ` Peter De Schrijver
2012-07-11 13:49 ` Peter De Schrijver
2012-07-11 13:49 ` Peter De Schrijver
2012-07-12 4:22 ` Prashant Gaikwad
2012-07-12 4:34 ` Prashant Gaikwad
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