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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: Tue, 5 Jul 2011 13:52:03 +0200	[thread overview]
Message-ID: <4E12FAE3.4090909@flatfrog.com> (raw)
In-Reply-To: <19F8576C6E063C45BE387C64729E739404E3485D3B@dbde02.ent.ti.com>

On 2011-07-05 13:15, Gupta, Ajay Kumar wrote:
> OMAP3EVM doesn't use TPS PHY but it has ISP1507 PHY and uses external Vbus
> And so it needs extvbus programming (musb_cfg.extvbus =1)in OTG_CTRL
> register. As for as I know it is not needed for boards using usb PHY on TPS
> device.

Can you clarify what you mean by "not needed for boards using usb PHY on 
TPS device"?  How does that differ from the ISP1507?  From what I'm 
reading, the ISP1507 does have an integrated 5V charge pump.  Or is it 
simply a matter of how the board is designed?

(On our custom board, we have added an external vbus supply to be able 
to draw > 100 mA.)

Thanks,
Orjan

-- 
Orjan Friberg
FlatFrog Laboratories AB

  reply	other threads:[~2011-07-05 11:52 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 [this message]
2011-07-05 14:16         ` Gupta, Ajay Kumar
2011-07-06 11:12           ` Orjan Friberg
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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