[RFC 2/3] Map GTA02 core voltage to vddarm supply

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Apr 1 19:54:26 CEST 2009

On Wed, Apr 01, 2009 at 02:54:35AM +0200, Rask Ingemann Lambertsen wrote:

> 2) Always enable the core voltage regulator. It somehow isn't enabled
> anywhere else. I'm guessing the core's running on leakage current from
> VDDalive when the kernel is booted.

I strongly suspect that it is enabled by default when the system boots,
otherwise u-boot would run into trouble.  The regulator API will
(currently) only turn off regulators if a consumer asks for it, though
the always_on constraint is desirable since this is likely to change in

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