From: Tony Lindgren <tony@atomide.com>
To: joerg Reisenweber <joerg@openmoko.org>
Cc: "Pali Rohár" <pali.rohar@gmail.com>,
"Felipe Balbi" <balbi@ti.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-omap@vger.kernel.org,
"Ivaylo Dimitrov" <ivo.g.dimitrov.75@gmail.com>,
"Sebastian Reichel" <sre@kernel.org>,
"Aaro Koskinen" <aaro.koskinen@iki.fi>,
"Pavel Machek" <pavel@ucw.cz>, "Nishanth Menon" <nm@ti.com>
Subject: Re: Nokia N900: musb is in wrong state after boot
Date: Thu, 21 Jan 2016 12:30:13 -0800 [thread overview]
Message-ID: <20160121203012.GN19432@atomide.com> (raw)
In-Reply-To: <8629381.KDSn8v3DtH@saturn>
* joerg Reisenweber <joerg@openmoko.org> [160121 11:35]:
> On Thu 21 January 2016 11:21:13 Tony Lindgren wrote:
> > Do you have some pointer
> > to the "certain resistor value on ID to GND" spec? Is it maybe part of
> > the carkit related parts of the USB spec?
>
> ""Three additional ID pin states are defined[4] at the nominal resistance
> values of 124 kΩ, 68 kΩ, and 36.5 kΩ, with respect to the ground pin. These
> permit the device to work with USB Accessory Charger Adapters that allows the
> OTG device to be attached to both a charger and another device simultaneously.
> [6]""
> https://en.wikipedia.org/wiki/USB_On-The-Go#OTG_micro_plugs
OK thanks. So it's the "accessory charger" part of the
battery charging specification 1.1.
Regards,
Tony
next prev parent reply other threads:[~2016-01-21 20:30 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-09 15:16 Nokia N900: musb is in wrong state after boot Pali Rohár
2016-01-09 15:16 ` Pali Rohár
2016-01-19 20:33 ` Tony Lindgren
2016-01-19 20:33 ` Tony Lindgren
2016-01-21 8:40 ` Pali Rohár
2016-01-21 9:57 ` Ivaylo Dimitrov
2016-01-21 10:23 ` Pali Rohár
2016-01-21 10:27 ` Ivaylo Dimitrov
2016-01-21 10:29 ` joerg Reisenweber
2016-01-21 17:41 ` Tony Lindgren
2016-01-21 18:44 ` joerg Reisenweber
2016-01-21 19:21 ` Tony Lindgren
2016-01-21 19:34 ` joerg Reisenweber
2016-01-21 20:30 ` Tony Lindgren [this message]
2016-01-26 14:34 ` Pali Rohár
2016-01-26 17:26 ` Tony Lindgren
2016-02-21 11:12 ` Pali Rohár
2016-02-22 7:31 ` Felipe Balbi
2016-02-22 8:34 ` Pali Rohár
2016-02-22 8:54 ` Felipe Balbi
2016-02-22 8:54 ` Felipe Balbi
2016-02-22 15:36 ` Bin Liu
2016-02-22 15:36 ` Bin Liu
2016-02-22 15:49 ` Adam Ford
2016-02-22 15:49 ` Adam Ford
2016-01-23 12:57 ` Pali Rohár
2016-05-29 10:38 ` Pali Rohár
2016-05-29 10:38 ` Pali Rohár
2016-06-07 12:50 ` Pali Rohár
2016-06-08 9:53 ` Tony Lindgren
2016-06-08 10:02 ` Felipe Balbi
2016-06-08 10:19 ` Pali Rohár
[not found] ` <87h9d49exz.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-06-08 10:20 ` joerg Reisenweber
2016-06-08 10:20 ` joerg Reisenweber
2016-06-08 12:04 ` Sergei Shtylyov
2016-06-08 12:04 ` Sergei Shtylyov
[not found] ` <71cb45ec-a269-d510-df34-eb6eaa781da8-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
2016-06-08 12:18 ` joerg Reisenweber
2016-06-08 12:18 ` joerg Reisenweber
2016-06-08 12:32 ` Sergei Shtylyov
2016-06-08 12:32 ` Sergei Shtylyov
2016-06-09 21:09 ` Bin Liu
2016-06-09 20:58 ` Bin Liu
2016-06-09 20:58 ` Bin Liu
2016-06-09 21:25 ` joerg Reisenweber
2016-06-09 21:25 ` joerg Reisenweber
2016-06-10 15:08 ` Bin Liu
2016-06-10 15:23 ` joerg Reisenweber
2016-06-10 15:59 ` Bin Liu
2016-06-10 16:15 ` joerg Reisenweber
2016-06-10 17:04 ` Nishanth Menon
[not found] ` <575AF32B.2090705-l0cyMroinI0@public.gmane.org>
2016-06-10 17:21 ` joerg Reisenweber
2016-06-10 17:21 ` joerg Reisenweber
2016-06-10 17:37 ` Bin Liu
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