From: Orjan Friberg <of@flatfrog.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/4 v3] musb: Add Phy programming for usingexternal Vbus
Date: Wed, 6 Jul 2011 13:12:38 +0200 [thread overview]
Message-ID: <4E144326.1040008@flatfrog.com> (raw)
In-Reply-To: <19F8576C6E063C45BE387C64729E739404E3485DEC@dbde02.ent.ti.com>
On 2011-07-05 16:16, Gupta, Ajay Kumar wrote:
>> (On our custom board, we have added an external vbus supply to be able
>> to draw> 100 mA.)
> So it seems you are using PHY inside TPS659x but external Vbus for which
> I think you need to,
> 1. Explicitly set "OTG_CTRL.D5 = 0" so that PHY doesn't drive 5V.
> 2. Do not set musb_cfg.extvbus
Great, thanks for clarifying (and agreed on all points).
It seems the best I can do is turn off DRVVBUS as soon as the chip has
entered host mode (and turned thus it on).
Thanks,
Orjan
--
Orjan Friberg
FlatFrog Laboratories AB
next prev parent reply other threads:[~2011-07-06 11:12 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-10 5:50 [U-Boot] [PATCH 1/4 v3] musb: Use name based initialization for musb_config Ajay Kumar Gupta
2010-06-10 5:50 ` [U-Boot] [PATCH 2/4 v3] musb: Add Phy programming for using external Vbus Ajay Kumar Gupta
2010-06-10 5:50 ` [U-Boot] [PATCH 3/4 v3] omap3evm: Add board revision function Ajay Kumar Gupta
2010-06-10 5:50 ` [U-Boot] [PATCH 4/4 v3] musb: Program extvbus for OMAP3EVM Rev >= E Ajay Kumar Gupta
2010-06-16 18:42 ` Remy Bohmer
2010-06-15 20:31 ` [U-Boot] [PATCH 3/4 v3] omap3evm: Add board revision function Remy Bohmer
2010-06-15 20:39 ` Paulraj, Sandeep
2010-06-16 18:44 ` Remy Bohmer
2010-06-10 6:15 ` [U-Boot] [PATCH 2/4 v3] musb: Add Phy programming for using external Vbus Mike Frysinger
2010-06-16 18:43 ` Remy Bohmer
2011-07-05 8:45 ` [U-Boot] [PATCH 2/4 v3] musb: Add Phy programming for usingexternal Vbus Orjan Friberg
2011-07-05 11:15 ` Gupta, Ajay Kumar
2011-07-05 11:52 ` Orjan Friberg
2011-07-05 14:16 ` Gupta, Ajay Kumar
2011-07-06 11:12 ` Orjan Friberg [this message]
2010-06-16 18:43 ` [U-Boot] [PATCH 1/4 v3] musb: Use name based initialization for musb_config Remy Bohmer
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