Re: [PATCH v2 1/2] regulator: tps6507x: allow driver to useDEFDCDC{2,3}_HIGH register

From: Mark Brown
Date: Mon Jul 12 2010 - 08:28:41 EST


On Mon, Jul 12, 2010 at 05:54:06PM +0530, Sekhar Nori wrote:
> From: Anuj Aggarwal <anuj.aggarwal@xxxxxx>
>
> In TPS6507x, depending on the status of DEFDCDC{2,3} pin either
> DEFDCDC{2,3}_LOW or DEFDCDC{2,3}_HIGH register needs to be read or
> programmed to change the output voltage.
>
> The current driver assumes DEFDCDC{2,3} pins are always tied low
> and thus operates only on DEFDCDC{2,3}_LOW register. This need
> not always be the case (as is found on OMAP-L138 EVM).
>
> Unfortunately, software cannot read the status of DEFDCDC{2,3} pins.
> So, this information is passed through platform data depending on
> how the board is wired.
>
> Signed-off-by: Anuj Aggarwal <anuj.aggarwal@xxxxxx>
> Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>

Acked-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
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