From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: Chipidea usb otg support for IMX/MXS (device functionality)
Date: Tue, 9 Jul 2013 12:38:44 +0200 [thread overview]
Message-ID: <201307091238.45019.marex@denx.de> (raw)
In-Reply-To: <F281D0F91ED19E4D8E63A7504E8A649803F39B98@039-SN2MPN1-022.039d.mgd.msft.net>
Hi Peter,
[...]
>
> It needs to check your hardware, it is probably there is a high capacitance
> at vbus pin. Besides, the vbus should be lower than 0.8v if it is
> disconnected from pc.
I just wonder why I can no longer use device mode only after I plug in the
adaptor for host device. Before that, I can plug in the device mode cable from
PC all I want and this works. Then I plug in the host adaptor, that works as
well , but if I plug in the device cable, this works no longer.
I rather suspect it might be something going on in the driver that's not right.
I will check the hardware too, thanks.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-07-09 10:38 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <51A5A808.2070803@digi.com>
[not found] ` <F281D0F91ED19E4D8E63A7504E8A649803E8A3F3@039-SN2MPN1-021.039d.mgd.msft.net>
2013-05-29 7:50 ` Chipidea usb otg support for IMX/MXS (device functionality) maxime.ripard at free-electrons.com
2013-05-29 8:07 ` Chen Peter-B29397
2013-05-29 10:13 ` Michael Grzeschik
2013-05-29 12:19 ` maxime.ripard at free-electrons.com
2013-05-29 12:41 ` Michael Grzeschik
2013-05-30 13:53 ` maxime.ripard at free-electrons.com
2013-06-21 11:26 ` Marek Vasut
2013-06-21 12:22 ` Michael Grzeschik
2013-06-21 12:56 ` Marek Vasut
2013-06-22 2:33 ` Marek Vasut
2013-06-22 8:28 ` Chen Peter-B29397
2013-06-22 13:29 ` Marek Vasut
2013-06-24 1:37 ` Chen Peter-B29397
2013-06-24 7:08 ` Shawn Guo
2013-06-24 13:51 ` Marek Vasut
2013-06-25 1:48 ` Chen Peter-B29397
2013-06-25 18:40 ` Marek Vasut
2013-06-27 13:49 ` Marek Vasut
2013-06-28 6:48 ` Chen Peter-B29397
2013-06-28 9:42 ` Marek Vasut
2013-06-28 10:46 ` Chen Peter-B29397
2013-06-28 11:56 ` Marek Vasut
2013-06-28 13:04 ` Chen Peter-B29397
2013-06-28 13:11 ` Fabio Estevam
2013-07-01 2:06 ` Chen Peter-B29397
2013-07-07 1:10 ` Marek Vasut
2013-07-08 1:21 ` Chen Peter-B29397
2013-07-08 20:56 ` Marek Vasut
2013-07-09 1:05 ` Chen Peter-B29397
2013-07-09 10:38 ` Marek Vasut [this message]
2013-06-25 14:23 ` Fabio Estevam
2013-06-25 15:39 ` Fabio Estevam
2013-06-25 18:42 ` Marek Vasut
2013-07-09 15:07 ` Marek Vasut
2013-05-30 16:17 ` Hector Palacios
2013-06-07 9:37 ` maxime.ripard at free-electrons.com
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