From mboxrd@z Thu Jan  1 00:00:00 1970
From: Felipe Balbi <balbi@ti.com>
Subject: Re: AM335x host only USB
Date: Thu, 15 May 2014 11:13:23 -0500
Message-ID: <20140515161323.GG7360@saruman.home>
References: <528DE96A.6080903@newflow.co.uk>
 <CAF3EQkSrpf-9Ezf5Y7htfaQAEfN9PDV=CUxS_h9peKjawDhUSw@mail.gmail.com>
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To: =?utf-8?B?6buD5L+K56W6?= <steve.huang@climax.com.tw>
Cc: Mark Jackson <mpfj-list@newflow.co.uk>, "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>, lkml <linux-kernel@vger.kernel.org>, linux-usb@vger.kernel.org, Felipe Balbi <balbi@ti.com>
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Hi,

On Thu, May 15, 2014 at 03:23:14PM +0800, =E9=BB=83=E4=BF=8A=E7=A5=BA wrote:
> Dear all,
>=20
> Is any update here?
> I'm looking forward for your reply, thanks.
>=20
> Steve
>=20
>=20
>=20
> 2013-11-21 19:07 GMT+08:00 Mark Jackson <mpfj-list@newflow.co.uk>:
>=20
> > We have a custom AM335x CPU board with a type A connector, which is
> > intended
> > to be run in host-only mode.
> >
> > Using Linus' latest git, I can compile a part-working kernel that can
> > detect
> > an (internal?) usb hub, but is unable to see any devices connected to i=
t.
> >
> > Here's a snippet from my boot log:-
> >
> > Starting kernel ...
> >
> > [    0.000000] Booting Linux on physical CPU 0x0
> > [    0.000000] Linux version 3.12.0-10713-gf9a173a-dirty

pretty old kernel, friend. You know we can't really support you on such
an old kernel, right ?

In any case, try to backport commits:

943c13971c08ddeb06f4cb9dea1addb76f6b4423
2df6761e5eca9a810050a15062ae8abce1bbae41

and see what happens. I'm assuming you didn't ground ID pin, since
you're using a standard A receptacle. I suggest hardwiring it to ground
anyway.

--=20
balbi

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