From: Nishanth Menon <nm@ti.com>
To: Mark Brown <broonie@kernel.org>
Cc: Michael Turquette <mike.turquette@linaro.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
Stephen Boyd <sboyd@codeaurora.org>,
Rafael Wysocki <rjw@rjwysocki.net>,
Rob Herring <rob.herring@linaro.org>,
Arnd Bergmann <arnd.bergmann@linaro.org>,
Linaro Kernel Mailman List <linaro-kernel@lists.linaro.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
Grant Likely <grant.likely@linaro.org>,
"olof@lixom.net" <olof@lixom.net>,
Sudeep Holla <Sudeep.Holla@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Viswanath Puttagunta <viswanath.puttagunta@linaro.org>,
Lucas Stach <l.stach@pengutronix.de>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Thomas Abraham <ta.omasab@gmail.com>,
Abhilash Kesavan <kesavan.abhilash@gmail.com>,
Kevin Hilman <khilman@linaro.org>
Subject: Re: [PATCH V4 1/3] OPP: Redefine bindings to overcome shortcomings
Date: Wed, 13 May 2015 10:43:40 -0500 [thread overview]
Message-ID: <5553712C.9090603@ti.com> (raw)
In-Reply-To: <20150513150739.GW2761@sirena.org.uk>
On 05/13/2015 10:07 AM, Mark Brown wrote:
> On Wed, May 13, 2015 at 09:24:57AM -0500, Nishanth Menon wrote:
>
>> - opp-microamp: The maximum current drawn by the device in microamperes
>> considering system specific parameters (such as transients, process,
>> aging, etc.)
>> as necessary, at an ambient temperature of 25C. This may be used to set
>> the most efficient regulator operating mode.
>
> Why specify the temperature? That 25C is going to be terribly
> inefficient for my snowplow engine control system (or whatever).
>
:) was trying to put a constraint since we do know that leakage
changes over temperature profile and the fact that operating
temperature ranges vary depending on device and market. rephrased
again below:
- opp-microamp: The maximum current drawn by the device in
microamperes considering system specific parameters (such as
transients, process, aging, maximum operating temperature range
etc.) as necessary. This may be used to set the most efficient
regulator operating mode.
--
Regards,
Nishanth Menon
WARNING: multiple messages have this Message-ID (diff)
From: nm@ti.com (Nishanth Menon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V4 1/3] OPP: Redefine bindings to overcome shortcomings
Date: Wed, 13 May 2015 10:43:40 -0500 [thread overview]
Message-ID: <5553712C.9090603@ti.com> (raw)
In-Reply-To: <20150513150739.GW2761@sirena.org.uk>
On 05/13/2015 10:07 AM, Mark Brown wrote:
> On Wed, May 13, 2015 at 09:24:57AM -0500, Nishanth Menon wrote:
>
>> - opp-microamp: The maximum current drawn by the device in microamperes
>> considering system specific parameters (such as transients, process,
>> aging, etc.)
>> as necessary, at an ambient temperature of 25C. This may be used to set
>> the most efficient regulator operating mode.
>
> Why specify the temperature? That 25C is going to be terribly
> inefficient for my snowplow engine control system (or whatever).
>
:) was trying to put a constraint since we do know that leakage
changes over temperature profile and the fact that operating
temperature ranges vary depending on device and market. rephrased
again below:
- opp-microamp: The maximum current drawn by the device in
microamperes considering system specific parameters (such as
transients, process, aging, maximum operating temperature range
etc.) as necessary. This may be used to set the most efficient
regulator operating mode.
--
Regards,
Nishanth Menon
next prev parent reply other threads:[~2015-05-13 15:43 UTC|newest]
Thread overview: 124+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-30 12:07 [PATCH V4 0/3] OPP: Introduce OPP (V2) bindings Viresh Kumar
2015-04-30 12:07 ` Viresh Kumar
[not found] ` <cover.1430394884.git.viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-04-30 12:07 ` [PATCH V4 1/3] OPP: Redefine bindings to overcome shortcomings Viresh Kumar
2015-04-30 12:07 ` Viresh Kumar
[not found] ` <d225e73f183e01fa0b71e4b9248b6a19a3f7d697.1430394884.git.viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-05-04 12:12 ` Mark Brown
2015-05-04 12:12 ` Mark Brown
2015-05-05 10:48 ` Viresh Kumar
2015-05-05 10:48 ` Viresh Kumar
2015-05-05 10:57 ` Mark Brown
2015-05-05 10:57 ` Mark Brown
[not found] ` <20150505105714.GA22845-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-05-05 11:43 ` Viresh Kumar
2015-05-05 11:43 ` Viresh Kumar
2015-05-05 17:12 ` Mark Brown
2015-05-05 17:12 ` Mark Brown
2015-05-06 6:53 ` Viresh Kumar
2015-05-06 6:53 ` Viresh Kumar
2015-05-07 5:52 ` Stephen Boyd
2015-05-07 5:52 ` Stephen Boyd
2015-05-07 11:02 ` Mark Brown
2015-05-07 11:02 ` Mark Brown
2015-05-07 21:18 ` Stephen Boyd
2015-05-07 21:18 ` Stephen Boyd
2015-05-07 22:18 ` Mark Brown
2015-05-07 22:18 ` Mark Brown
[not found] ` <20150507221842.GW22845-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-05-08 6:47 ` Viresh Kumar
2015-05-08 6:47 ` Viresh Kumar
2015-05-08 10:58 ` Mark Brown
2015-05-08 10:58 ` Mark Brown
2015-05-08 11:01 ` Viresh Kumar
2015-05-08 11:01 ` Viresh Kumar
2015-05-11 1:07 ` Nishanth Menon
2015-05-11 1:07 ` Nishanth Menon
2015-05-12 5:20 ` Viresh Kumar
2015-05-12 5:20 ` Viresh Kumar
2015-05-12 19:01 ` Michael Turquette
2015-05-12 19:01 ` Michael Turquette
2015-05-12 19:14 ` Nishanth Menon
2015-05-12 19:14 ` Nishanth Menon
2015-05-12 19:41 ` Mark Brown
2015-05-12 19:41 ` Mark Brown
2015-05-12 19:57 ` Nishanth Menon
2015-05-12 19:57 ` Nishanth Menon
2015-05-13 11:54 ` Mark Brown
2015-05-13 11:54 ` Mark Brown
[not found] ` <20150513115422.GQ3066-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2015-05-13 14:24 ` Nishanth Menon
2015-05-13 14:24 ` Nishanth Menon
2015-05-13 15:07 ` Mark Brown
2015-05-13 15:07 ` Mark Brown
2015-05-13 15:43 ` Nishanth Menon [this message]
2015-05-13 15:43 ` Nishanth Menon
2015-05-07 12:13 ` Viresh Kumar
2015-05-07 12:13 ` Viresh Kumar
2015-05-07 21:30 ` Stephen Boyd
2015-05-07 21:30 ` Stephen Boyd
2015-05-08 6:49 ` Viresh Kumar
2015-05-08 6:49 ` Viresh Kumar
2015-05-11 1:02 ` Nishanth Menon
2015-05-11 1:02 ` Nishanth Menon
2015-05-12 5:16 ` Viresh Kumar
2015-05-12 5:16 ` Viresh Kumar
2015-05-12 16:04 ` Nishanth Menon
2015-05-12 16:04 ` Nishanth Menon
2015-05-13 5:05 ` Viresh Kumar
2015-05-13 5:05 ` Viresh Kumar
2015-05-13 15:00 ` Nishanth Menon
2015-05-13 15:00 ` Nishanth Menon
2015-05-13 15:16 ` Mark Brown
2015-05-13 15:16 ` Mark Brown
2015-05-13 16:14 ` Nishanth Menon
2015-05-13 16:14 ` Nishanth Menon
2015-05-13 16:21 ` Mark Brown
2015-05-13 16:21 ` Mark Brown
2015-05-13 16:34 ` Nishanth Menon
2015-05-13 16:34 ` Nishanth Menon
2015-05-12 16:19 ` Felipe Balbi
2015-05-12 16:19 ` Felipe Balbi
2015-05-13 4:45 ` Viresh Kumar
2015-05-13 4:45 ` Viresh Kumar
2015-05-12 21:42 ` Michael Turquette
2015-05-12 21:42 ` Michael Turquette
2015-05-13 8:55 ` Viresh Kumar
2015-05-13 8:55 ` Viresh Kumar
2015-05-13 11:03 ` Mark Brown
2015-05-13 11:03 ` Mark Brown
2015-05-14 0:32 ` Michael Turquette
2015-05-14 0:32 ` Michael Turquette
[not found] ` <CAKohpokeKtcJdrBcPZBBPR2zfJgpvuM_=wRaX5q1Uto2qx1oHQ@mail.gmail.com>
2015-05-15 14:15 ` Viresh Kumar
2015-05-15 14:15 ` Viresh Kumar
2015-05-15 15:43 ` Nishanth Menon
2015-05-15 15:43 ` Nishanth Menon
2015-05-15 17:27 ` Rob Herring
2015-05-15 17:27 ` Rob Herring
2015-05-21 6:02 ` Nishanth Menon
2015-05-21 6:02 ` Nishanth Menon
2015-05-22 14:04 ` Viresh Kumar
2015-05-22 14:04 ` Viresh Kumar
2015-05-22 16:04 ` Rob Herring
2015-05-22 16:04 ` Rob Herring
2015-05-22 17:42 ` Nishanth Menon
2015-05-22 17:42 ` Nishanth Menon
2015-05-26 5:25 ` Viresh Kumar
2015-05-26 5:25 ` Viresh Kumar
2015-05-20 0:51 ` Stephen Boyd
2015-05-20 0:51 ` Stephen Boyd
2015-05-20 2:07 ` Viresh Kumar
2015-05-20 2:07 ` Viresh Kumar
2015-05-20 19:39 ` Stephen Boyd
2015-05-20 19:39 ` Stephen Boyd
2015-05-21 4:33 ` Viresh Kumar
2015-05-21 4:33 ` Viresh Kumar
2015-05-25 11:59 ` Viresh Kumar
2015-05-25 11:59 ` Viresh Kumar
2015-04-30 12:08 ` [PATCH V4 2/3] OPP: Allow multiple OPP tables to be passed via DT Viresh Kumar
2015-04-30 12:08 ` Viresh Kumar
2015-05-12 16:09 ` Nishanth Menon
2015-05-12 16:09 ` Nishanth Menon
2015-05-13 4:41 ` Viresh Kumar
2015-05-13 4:41 ` Viresh Kumar
2015-05-20 0:52 ` Stephen Boyd
2015-05-20 0:52 ` Stephen Boyd
2015-04-30 12:08 ` [PATCH V4 3/3] OPP: Add 'opp-next' in operating-points-v2 bindings Viresh Kumar
2015-04-30 12:08 ` Viresh Kumar
2015-05-12 21:47 ` Michael Turquette
2015-05-12 21:47 ` Michael Turquette
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