From: balbi@ti•com (Felipe Balbi)
To: linux-arm-kernel@lists•infradead.org
Subject: MUSB dual-role on AM335x behaving weirdly
Date: Tue, 26 May 2015 09:51:18 -0500 [thread overview]
Message-ID: <20150526145118.GD26599@saruman.tx.rr.com> (raw)
In-Reply-To: <CADYTM3baVqoEBdWoQb5JFyGR2_GKm1FHMYWST1YkZV=m=ZdycQ@mail.gmail.com>
On Thu, May 14, 2015 at 04:36:33PM -0500, Bin Liu wrote:
> Alexandre,
>
> On Thu, May 14, 2015 at 4:26 PM, Alexandre Belloni
> <alexandre.belloni@free-electrons•com> wrote:
> > On 14/05/2015 at 16:16:12 -0500, Bin Liu wrote :
> >> I think I found the root cause of the problem: board design issue - I
> >> bet the custom board has too much cap on VBUS line. It should be <
> >> 10uF.
> >>
> >
> > We have a custom board that exhibits the issue but it only has a 100nF
> > cap on VBUS.
>
> Have you measured the VBUS discharging? Is there any way to share your
> schematics?
Alexandre, any further comments ?
--
balbi
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next prev parent reply other threads:[~2015-05-26 14:51 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-21 16:06 MUSB dual-role on AM335x behaving weirdly Maxime Ripard
2015-01-21 18:53 ` Bin Liu
2015-01-22 7:37 ` Yegor Yefremov
2015-01-22 10:43 ` Maxime Ripard
2015-01-22 11:01 ` Markus Pargmann
2015-01-22 14:00 ` Maxime Ripard
2015-01-22 14:52 ` Bin Liu
2015-02-05 13:21 ` Maxime Ripard
2015-02-24 10:39 ` Maxime Ripard
2015-02-24 14:54 ` Felipe Balbi
2015-02-24 16:50 ` Maxime Ripard
2015-02-24 17:33 ` Felipe Balbi
2015-02-25 11:11 ` Maxime Ripard
2015-02-25 12:11 ` Yegor Yefremov
2015-05-14 17:07 ` Felipe Balbi
2015-05-14 17:40 ` Felipe Balbi
2015-05-14 17:49 ` Felipe Balbi
2015-05-14 19:04 ` Felipe Balbi
2015-05-14 19:19 ` Bin Liu
2015-05-14 19:21 ` Felipe Balbi
2015-05-14 19:29 ` Bin Liu
2015-05-14 19:29 ` Felipe Balbi
2015-05-14 19:49 ` Felipe Balbi
2015-05-14 20:03 ` Bin Liu
2015-05-14 20:10 ` Felipe Balbi
2015-05-14 21:04 ` Bin Liu
2015-05-14 21:16 ` Bin Liu
2015-05-14 21:26 ` Alexandre Belloni
2015-05-14 21:36 ` Bin Liu
2015-05-26 14:51 ` Felipe Balbi [this message]
2015-05-27 9:42 ` Alexandre Belloni
2015-07-02 7:16 ` Gregory CLEMENT
2015-07-02 17:05 ` Bin Liu
2015-08-04 13:08 ` Gregory CLEMENT
2015-08-04 14:23 ` Gregory CLEMENT
2015-08-04 19:32 ` Felipe Balbi
2015-08-18 12:36 ` Gregory CLEMENT
2015-08-18 14:13 ` Felipe Balbi
2015-08-20 16:35 ` Gregory CLEMENT
2015-08-20 16:46 ` Felipe Balbi
2015-08-21 12:19 ` Gregory CLEMENT
2015-04-14 15:46 ` Maxime Ripard
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