From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Mark Jackson <mpfj-list@newflow.co.uk>
Cc: linux-usb@vger.kernel.org, lkml <linux-kernel@vger.kernel.org>,
Felipe Balbi <balbi@ti.com>, Greg KH <gregkh@linuxfoundation.org>,
jkosina@suse.cz, anatol.pomozov@gmail.com,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
Bin Liu <binmlist@gmail.com>
Subject: Re: [PATCH] Allow MUSB DSPS to use "force host" mode
Date: Fri, 22 Nov 2013 17:33:05 +0100 [thread overview]
Message-ID: <528F8741.1060406@linutronix.de> (raw)
In-Reply-To: <528F7E8F.5050807@newflow.co.uk>
On 11/22/2013 04:55 PM, Mark Jackson wrote:
> The IDDIG input pin is normally used to determine the USB mode
> (i.e. HOST or DEVICE).
>
> On some systems (e.g. AM335x) leaving this pin floating allows
> the USB mode to be set via software.
So you have a board where musb is used only as host or only as device
and the ID pin not on ground or 3.3V?
What are the side effects? I remember correctly Bin wanted to avoid
settings this if it could be avoided.
Sebastian
next prev parent reply other threads:[~2013-11-22 16:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-22 15:55 [PATCH] Allow MUSB DSPS to use "force host" mode Mark Jackson
2013-11-22 16:33 ` Sebastian Andrzej Siewior [this message]
2013-11-22 16:49 ` Mark Jackson
2013-11-22 17:01 ` Sebastian Andrzej Siewior
2013-11-22 17:07 ` Mark Jackson
2013-11-22 17:22 ` Sebastian Andrzej Siewior
[not found] ` <528F7E8F.5050807-2FZW7xY0fHgqdlJmJB21zg@public.gmane.org>
2013-11-22 16:38 ` Michael Grzeschik
2013-11-22 16:45 ` Mark Jackson
2013-11-25 21:24 ` Felipe Balbi
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