From: "Eugeny S. Mints" <eugeny.mints@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: linux-pm@lists.osdl.org, matt@nomadgs.com,
amit.kucheria@nokia.com, igor.stoppa@nokia.com,
ext-Tuukka.Tikkanen@nokia.com
Subject: [RFC] OMAP1 PM Core, Intro 0/2
Date: Sat, 30 Sep 2006 02:24:22 +0400 [thread overview]
Message-ID: <20060930022422.4eb949a0.eugeny.mints@gmail.com> (raw)
PM Core for OMAP1 platforms.
PM Core provides arch dependent routine to get/set operating points,
hooks up with arhc independent PowerOP layer and utilizes
clock/voltage framework to access hardware. PM Core is expected
to handle additional arch specific actions required to accompany clock/voltage
framework during operating points change (for example if
simultaneous coupled clocks/voltage change needs special attention on a
platform).
Basic building block for PM Core layer is platform power parameter concept.
Current OMAP implementation relies on "smart" virtual mpu clock
introduced by OMAP1 clock framework (#define
PM_CORE_USE_MPU_CLOCK).
Since voltage framework is not merged into mainline yet
routine to change voltage is temporary implemented in the
PM Core for reference.
reply other threads:[~2006-09-29 22:22 UTC|newest]
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