linux-kernel - Re: [linux-pm] Power Domain Framework

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Message-ID: <20100510140527.GG5199@sirena.org.uk>
Date:	Mon, 10 May 2010 15:05:28 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Deepak Sikri <deepak.sikri79@...il.com>
Cc:	linux-pm@...ts.linux-foundation.org, viresh.kumar@...com,
	rajeev-dlh.kumar@...com, armando.visconti@...com,
	linux-kernel@...r.kernel.org, vipin.kumar@...com,
	shiraz.hashim@...com
Subject: Re: [linux-pm]  Power Domain Framework

On Mon, May 10, 2010 at 07:16:06PM +0530, Deepak Sikri wrote:

> In our System on chip we have several power domains. As such there is no
> generic framework for the Power Domains in linux , and I find huge potential
> in the software to control the domains and exploit the power management
> capabilities.

> There is one very small model that I could think of, something on the lines
> of clock framework.

Might be worth looking at what the OMAP and SH Mobile CPUs are doing
here, they have existing handling for power domains.  Off-SoC the
regulator API should already cope with a lot of this stuff.
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