Messages in this thread | | | Date | Sat, 30 Sep 2006 02:24:22 +0400 | From | "Eugeny S. Mints" <> | Subject | [RFC] OMAP1 PM Core, Intro 0/2 |
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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.
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