From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Sekhar Nori <nsekhar@ti.com>
Cc: linux-kernel@vger.kernel.org,
davinci-linux-open-source@linux.davincidsp.com,
Anuj Aggarwal <anuj.aggarwal@ti.com>,
Liam Girdwood <lrg@slimlogic.co.uk>
Subject: Re: [PATCH v2 1/2] regulator: tps6507x: allow driver to use DEFDCDC{2,3}_HIGH register
Date: Mon, 12 Jul 2010 13:28:35 +0100 [thread overview]
Message-ID: <20100712122835.GB22701@rakim.wolfsonmicro.main> (raw)
In-Reply-To: <1278937448-32404-1-git-send-email-nsekhar@ti.com>
On Mon, Jul 12, 2010 at 05:54:06PM +0530, Sekhar Nori wrote:
> From: Anuj Aggarwal <anuj.aggarwal@ti.com>
>
> 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@ti.com>
> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
prev parent reply other threads:[~2010-07-12 12:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-12 12:24 Sekhar Nori
2010-07-12 12:28 ` Mark Brown [this message]
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