On Mon, Jan 26, 2015 at 08:46:45PM +0100, Stefan Wahren wrote:

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Does a common property name exists for the switching frequency or would
it be vendor specific?

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As far as I know most regulators have fixed switching frequencies,
so there is no common property name so far. I added regulator
framework people, since this property should be regulator specific.

No, it's pretty common for there to be a couple of options - there's
normally a performance tradeoff (power for regulation accuracy and/or
cost) which can be selected.  IIRC it's selected at design time as it
affect the choice of passives on the board.

okay i understand. But doesn't it need a extra driver to set the switching
frequency because of the new compatible string?

I don't understand this bit at all, sorry.

At this point i think about moving this feature into the bootloader.

@Fabio, @Marek:

What's your opinion about that?

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-- Sebastian

Stefan