From: Felipe Balbi <balbi@ti.com>
To: Ming Lei <tom.leiming@gmail.com>
Cc: venki kaps <venkiece2005@gmail.com>,
"greg@kroah.com" <greg@kroah.com>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
David Brownell <dbrownell@users.sourceforge.net>,
Felipe Balbi <me@felipebalbi.com>,
"Gadiyar, Anand" <gadiyar@ti.com>
Subject: Re: [PATCH] USB: otg: twl4030: fix phy initialization(v1)
Date: Thu, 9 Sep 2010 09:01:10 +0300 [thread overview]
Message-ID: <20100909060110.GC9098@legolas.emea.dhcp.ti.com> (raw)
In-Reply-To: <AANLkTimBBRC7-kg_L7FpS1E5i63NPMi08g9rrG=jtWeD@mail.gmail.com>
On Wed, Sep 08, 2010 at 08:49:08PM -0500, Ming Lei wrote:
>2010/9/8 venki kaps <venkiece2005@gmail.com>:
>
>> To resolve the above issue, we have made "PHY power on" in battery
>> adc on function
>> and "PHY power down" in battery adc off function.
>
>Good news, the temperature is bad value from battery adc if otg phy is power
>down. Maybe you only need to power on otg phy before reading battery adc, then
>power down otg phy after the reading if no usb calbe is connected with musb
>for decreasing power consumption. (I am not familiar with battery adc, just
>for your refrerence)
I think you only need the usb3v1 regulator. And it can even be in sleep
mode, it doens't have to be on. What I would suggest is that usb3v1
never to be turned off, only put in sleep mode.
--
balbi
next prev parent reply other threads:[~2010-09-09 6:02 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-06 18:10 venki kaps
2010-09-06 20:22 ` Felipe Balbi
2010-09-07 2:49 ` venki kaps
2010-09-07 12:46 ` Felipe Balbi
2010-09-07 13:18 ` venki kaps
2010-09-07 13:24 ` Ming Lei
2010-09-07 13:50 ` venki kaps
2010-09-07 15:40 ` Ming Lei
2010-09-07 15:48 ` venki kaps
2010-09-07 18:15 ` venki kaps
2010-09-07 18:22 ` venki kaps
2010-09-08 15:55 ` venki kaps
2010-09-09 1:49 ` Ming Lei
2010-09-09 6:01 ` Felipe Balbi [this message]
2010-09-09 17:28 ` venki kaps
2010-09-10 12:31 ` Felipe Balbi
-- strict thread matches above, loose matches on Subject: below --
2010-09-06 15:27 tom.leiming
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