public inbox for devicetree@vger.kernel.org
 help / color / mirror / Atom feed
From: Viresh Kumar <viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Sudeep Holla <sudeep.holla-5wv7dgnIgG8@public.gmane.org>
Cc: Rajendra Nayak <rnayak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Rafael Wysocki <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
	ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	Kevin Hilman <khilman-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Viresh Kumar <vireshk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>,
	Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	linaro-kernel-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
	linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Vincent Guittot
	<vincent.guittot-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	lina.iyer-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains
Date: Fri, 28 Apr 2017 16:42:36 +0530	[thread overview]
Message-ID: <20170428111236.GG21517@vireshk-i7> (raw)
In-Reply-To: <b3f5b62c-9423-98e4-d366-78186ab02fb9-5wv7dgnIgG8@public.gmane.org>

On 28-04-17, 10:44, Sudeep Holla wrote:
> Just thinking out loud, I can see platforms with have OPPs can move to
> this binding in future eliminating the need to specify the clock and
> regulators explicitly. So, I am not saying I against this idea, but I
> see it might complicate the above case in terms of the precedence that
> we consider in DT from backward compatibility.
> 
> E.g. if you now use this for just regulators, then I assume you continue
> to use clocks. However, that makes it difficult for platforms
> implementing *real* OPPs to reuse this binding as they may expect to
> skip clock altogether.
> 
> Also we may need OPPs(both volt/freq), voltage only and clock only
> bindings though all 3 are driven by the firmware and all are at abstract
> levels. I am trying to broaden the scope now without having to churn
> this binding again in near future.
> 
> So I don't totally agree that voltage regulators much have *real*
> voltages and not abstract scale. Yes the correct bindings might have
> such restrictions but can't we extend it ?
> 
> Anyways these are just my opinion.

Everyone's opinion has equal merit here :)

I believe that some of your hesitation came from the point that I have
made opp-hz optional. That isn't the case anymore with V6.

Can we please take the discussion to that thread now and see if you
can find similar problems there as well.

Thanks a lot.

-- 
viresh
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  parent reply	other threads:[~2017-04-28 11:12 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1490001099.git.viresh.kumar@linaro.org>
2017-03-20  9:32 ` [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains Viresh Kumar
2017-03-24 15:44   ` Rob Herring
2017-04-10  9:25     ` Viresh Kumar
2017-04-10  9:50       ` Viresh Kumar
2017-04-12 16:49   ` Sudeep Holla
     [not found]     ` <0a7146f9-72f1-317c-3aab-770a72462968-5wv7dgnIgG8@public.gmane.org>
2017-04-13  5:37       ` Viresh Kumar
2017-04-13 13:42         ` Sudeep Holla
     [not found]           ` <3adbef6a-7b43-528f-e88f-c2121d30a5d3-5wv7dgnIgG8@public.gmane.org>
2017-04-17  5:27             ` Viresh Kumar
2017-04-18 16:01               ` Sudeep Holla
2017-04-19 11:47                 ` Viresh Kumar
2017-04-19 13:58                   ` Sudeep Holla
     [not found]                     ` <9dee7c0d-e5f4-9fcd-3c92-bf7ec9d43a3b-5wv7dgnIgG8@public.gmane.org>
2017-04-20  5:25                       ` Viresh Kumar
2017-04-20  8:23                         ` Ulf Hansson
2017-04-20  9:33                           ` Viresh Kumar
2017-04-20  9:51                           ` Sudeep Holla
2017-04-20  9:43                         ` Sudeep Holla
2017-04-20  9:52                           ` Viresh Kumar
2017-04-23 22:07                             ` Kevin Hilman
     [not found]                 ` <95aa4b97-4e1a-13bb-f4d8-982b778012ba-5wv7dgnIgG8@public.gmane.org>
2017-04-19 10:11                   ` Viresh Kumar
2017-04-26  4:32                   ` Rajendra Nayak
2017-04-26 13:55                     ` Mark Brown
2017-04-27  9:42                       ` Sudeep Holla
2017-04-27 10:50                         ` Rajendra Nayak
2017-04-28  5:00                           ` Viresh Kumar
2017-04-28  9:44                             ` Sudeep Holla
     [not found]                               ` <b3f5b62c-9423-98e4-d366-78186ab02fb9-5wv7dgnIgG8@public.gmane.org>
2017-04-28 11:12                                 ` Viresh Kumar [this message]
2017-04-30 12:49                         ` Mark Brown
2017-05-03 11:21                           ` Sudeep Holla
2017-05-14  9:55                             ` Mark Brown
     [not found]   ` <e772e67a5445319bb8e0f312846ace666adc097f.1490001099.git.viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2017-04-12 17:05     ` Sudeep Holla
2017-04-13  5:50       ` Viresh Kumar
2017-04-13 13:43         ` Sudeep Holla
2017-04-17  5:33           ` Viresh Kumar
2017-04-18 16:03             ` Sudeep Holla
2017-04-19 10:12               ` Viresh Kumar
2017-03-20  9:32 ` [PATCH V4 2/9] PM / Domains: Use OPP tables " Viresh Kumar
     [not found]   ` <5619ac7777689f282f8aafabbde22d71b46a979b.1490001099.git.viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2017-04-12 16:58     ` Sudeep Holla
2017-04-13  6:03       ` Viresh Kumar
2017-04-13 13:45         ` Sudeep Holla

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170428111236.GG21517@vireshk-i7 \
    --to=viresh.kumar-qsej5fyqhm4dnm+yrofe0a@public.gmane.org \
    --cc=broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    --cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=khilman-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
    --cc=lina.iyer-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
    --cc=linaro-kernel-cunTk1MwBs8s++Sfvej+rw@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=nm-l0cyMroinI0@public.gmane.org \
    --cc=rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org \
    --cc=rnayak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org \
    --cc=robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    --cc=sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org \
    --cc=sudeep.holla-5wv7dgnIgG8@public.gmane.org \
    --cc=ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
    --cc=vincent.guittot-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
    --cc=vireshk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox