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From: Grazvydas Ignotas <notasas@gmail.com>
To: pramod gurav <pramodforum@gmail.com>
Cc: linux-omap@vger.kernel.org
Subject: Re: USB charging over TPS65950 BCI
Date: Sun, 2 Aug 2009 18:44:49 +0300	[thread overview]
Message-ID: <6ed0b2680908020844s493648ebq11e8afabcf44eddb@mail.gmail.com> (raw)
In-Reply-To: <f502236f0907310649t148117f6l8a5a06cb651dca6d@mail.gmail.com>

On Fri, Jul 31, 2009 at 4:49 PM, pramod gurav<pramodforum@gmail.com> wrote:
> Hi All,
> I was trying to get the USB battery charging working over TPS65950 BCI
> on the OMAP3430 custom board. I am working with linux-omap-2.6
> v2.6.28-omap1 tag. I enabled the TWL4030 MADC and TWL4030 BCI drivers.
> I passed interrupt details to these drivers from platform_device
> structure from my board file. I could get the AC charging working. The
> AC and USB detection worked. However the USB charging is not
> happening.
> I read through the TPS TRM and took the dumps of the registers from
> BCI and some from TWL USB module and BOOT_BCI whenever I plug in the
> USB charger between host and the board. The register settings seem to
> be fine. But the battery is not charging. I am using BQ27000 chip for
> battery monitoring and I can see the battery voltage is decreasing.

There seem to be USB related changes in Zoom git, you can try and see
if it helps:
http://git.omapzoom.org/?p=repo/omapkernel.git;a=blob;f=drivers/power/twl4030_bci_battery.c;hb=refs/heads/ti-2.6.27-omap3

Let us know if it helps.

      parent reply	other threads:[~2009-08-02 15:44 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-31 13:49 USB charging over TPS65950 BCI pramod gurav
2009-08-01  6:41 ` Gregoire Gentil
     [not found]   ` <1249489092.24549.9.camel@gregoire-laptop>
     [not found]     ` <f502236f0909110651v1c323f7co1fc515654f236eda@mail.gmail.com>
2009-09-11 14:01       ` pramod gurav
2009-09-14 22:53         ` Gregoire Gentil
2009-09-14 23:21           ` Syed Mohammed, Khasim
2009-09-15  5:04             ` Dighe, Gandhar
2009-08-02 15:44 ` Grazvydas Ignotas [this message]

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