[PATCH v3 0/4] ARM: dts: Add USB host support for Panda and Beagle-xm

[Roger Quadros]

On 04/19/2013 06:43 PM, Tony Lindgren wrote:
> * Roger Quadros <rogerq at ti.com> [130419 03:02]:
>> Hi Benoit/Tony
>>
>> I've consolidated all the USB host device tree patches for Panda and Beagles
>> to one place and addressed Tony's comments.
>>
>> NOTE: patch 1 depends on OMAP clock binding introduced in
>> https://lkml.org/lkml/2013/4/12/407
>>
>> v3:
>> - updated mux mode to use pulldowns on panda as non-DT boot uses pulldowns.
>> - fixed usb pin naming for panda, beagle and beagle-xm
> 
> Cool. Sounds like we should be able to make omap4 DT only for v3.11

when we say DT only for 3.11, does this mean getting rid of hwmod dependency?

> then. For that we also need USB on 4430-sdp working, but it now
> does:
> 
> ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> ehci-omap 4a064c00.ehci: failed to get phys phandle in /ocp/usbhshost at 4a064000/ehci at 4a064c00 node
> ehci-omap 4a064c00.ehci: failed to get phys phandle in /ocp/usbhshost at 4a064000/ehci at 4a064c00 node
> ...

4430-sdp (Blaze) does not have EHCI USB Host port. It should be using the 
MUSB OTG port.
> 
> As I have mine in a rack I don't have anything plugged into the
> USB port there though, but sounds like the phy is not initialized?
> 

+Ravi B.
He might have some clues.

cheers,
-roger