Hi Peter,
> > Hi Peter,
> >
> > > > Peter, I dunno if you are already aware of it, but the USB peripheral
> > > > mode hangs
> > > > on MX233. It's easy to replicate for example if you try to run CDC
> > > > ethernet over
> > > > the USB peripheral mode, then telnet into the board and run "dmesg"
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
electrons.com; Hector Palacios; linux-usb@vger.kernel.org;
> > > s.ha...@pengutronix.de; alexander.shish...@linux.intel.com; Estevam
> > > Fabio-R49496; Marc Kleine-Budde; m.grzesc...@pengutronix.de; linux-
> arm-
> > > ker...@lists.infradead.org
> > >
linux-usb@vger.kernel.org;
> > s.ha...@pengutronix.de; alexander.shish...@linux.intel.com; Estevam
> > Fabio-R49496; Marc Kleine-Budde; m.grzesc...@pengutronix.de; linux-arm-
> > ker...@lists.infradead.org
> > Subject: Re: Chipidea usb otg support for IMX/MXS (device functionali
.ha...@pengutronix.de; alexander.shish...@linux.intel.com; Estevam
> Fabio-R49496; Marc Kleine-Budde; m.grzesc...@pengutronix.de; linux-arm-
> ker...@lists.infradead.org
> Subject: Re: Chipidea usb otg support for IMX/MXS (device functionality)
>
> Hi Peter,
>
> > > Where can I
Hi Peter,
> > Where can I measure this?
> >
> > > Two possible reasons:
> > >
> > > 1. You have not gpio control for vbus toggle when role switches.
> >
> > This works well.
> >
> > > 2. Your hardware has some problems that the vbus can't lower than 0.8v.
> >
> > How can I check that?
>
> Ju
> >
> > You should see the voltage of vbus pin is less than 0.8v when
> > nothing is connected, we use B_SESSION_VALID (0.8v) to judge
> > it is connected or not.
> >
> > You get 2.25 all the time or it is discharged very slowly?
>
> On my mx28evk it discharges very very slowly. Any hints about
On Fri, Jun 28, 2013 at 10:04 AM, Chen Peter-B29397
wrote:
>
>
>> >
>> > Just measure the voltage of your otg vbus pin.
>>
>> Ok, I see it's 2.25 volts after I disconnect the microB-A thing . I
>> should see
>> 0.8V constantly with nothing connected on the port?
>>
>
> You should see the voltage o
> >
> > Just measure the voltage of your otg vbus pin.
>
> Ok, I see it's 2.25 volts after I disconnect the microB-A thing . I
> should see
> 0.8V constantly with nothing connected on the port?
>
You should see the voltage of vbus pin is less than 0.8v when
nothing is connected, we use B_SESS
Dear Chen Peter-B29397,
> > Where can I measure this?
> >
> > > Two possible reasons:
> > >
> > > 1. You have not gpio control for vbus toggle when role switches.
> >
> > This works well.
> >
> > > 2. Your hardware has some problems that the vbus can't lower than 0.8v.
> >
> > How can I check
>
> Where can I measure this?
>
> > Two possible reasons:
> >
> > 1. You have not gpio control for vbus toggle when role switches.
>
> This works well.
>
> > 2. Your hardware has some problems that the vbus can't lower than 0.8v.
>
> How can I check that?
>
Just measure the voltage of your
Hi Peter,
> > - I use the port in HOST mode by plugging in a USB pendrive over the OTG-
> > capable
> > reduction ; this works OK
> > - I disconnect the reduction and connect it to the computer ; here I get
> > "timeout waiting for 0800 in 11".
> >
> > This means the BSV bit in OTGSC register
> - I use the port in HOST mode by plugging in a USB pendrive over the OTG-
> capable
> reduction ; this works OK
> - I disconnect the reduction and connect it to the computer ; here I get
> "timeout waiting for 0800 in 11".
>
> This means the BSV bit in OTGSC register wasn't unset.
>
> Int
Hi Peter,
> > No, I don't have this one available right now. I tried both MX23
> > Olinuxino maxi
> > (I just mutilated the board so that I cut traces to the USB devices on
> > the board
> > and routed out USB gadget connector) and a custom MX23 board.
> >
> > Note that both have working USB peri
Hi Peter,
> > No, I don't have this one available right now. I tried both MX23
> > Olinuxino maxi
> > (I just mutilated the board so that I cut traces to the USB devices on
> > the board
> > and routed out USB gadget connector) and a custom MX23 board.
> >
> > Note that both have working USB peri
Dear Fabio Estevam,
> On Tue, Jun 25, 2013 at 11:23 AM, Fabio Estevam wrote:
> > On Mon, Jun 24, 2013 at 10:51 AM, Marek Vasut wrote:
> >> Fabio, can you possibly test on MX23EVK please?
> >
> > I never used USB gadget with chipidea driver.
> >
> > Could you please explain what are the changes
On Tue, Jun 25, 2013 at 11:23 AM, Fabio Estevam wrote:
> On Mon, Jun 24, 2013 at 10:51 AM, Marek Vasut wrote:
>
>> Fabio, can you possibly test on MX23EVK please?
>
> I never used USB gadget with chipidea driver.
>
> Could you please explain what are the changes I need to do in the dts
> file (I
On Mon, Jun 24, 2013 at 10:51 AM, Marek Vasut wrote:
> Fabio, can you possibly test on MX23EVK please?
I never used USB gadget with chipidea driver.
Could you please explain what are the changes I need to do in the dts
file (I want to try on mx28evk first) and defconfig in order to be
able to t
>
> No, I don't have this one available right now. I tried both MX23
> Olinuxino maxi
> (I just mutilated the board so that I cut traces to the USB devices on
> the board
> and routed out USB gadget connector) and a custom MX23 board.
>
> Note that both have working USB peripheral mode in U-Bo
Hello Peter,
> > Hi Peter,
> >
> > > > Peter, I dunno if you are already aware of it, but the USB peripheral
> > > > mode hangs
> > > > on MX233. It's easy to replicate for example if you try to run CDC
> > > > ethernet over
> > > > the USB peripheral mode, then telnet into the board and run "dme
On Mon, Jun 24, 2013 at 01:37:59AM +, Chen Peter-B29397 wrote:
> Add shawn.
>
> Marek, have you tried mx23 evk?
>
> Shawn, marek reported the udc function at mx23 works abnormal, but it works
> good at mx28. Have you tried mx23 udc recently?
>
Sorry, I never tried usb on my imx23-evk due to
> Hi Peter,
>
> > > Peter, I dunno if you are already aware of it, but the USB peripheral
> > > mode hangs
> > > on MX233. It's easy to replicate for example if you try to run CDC
> > > ethernet over
> > > the USB peripheral mode, then telnet into the board and run "dmesg" .
> > > This will
> >
Hi Peter,
> > Peter, I dunno if you are already aware of it, but the USB peripheral
> > mode hangs
> > on MX233. It's easy to replicate for example if you try to run CDC
> > ethernet over
> > the USB peripheral mode, then telnet into the board and run "dmesg" .
> > This will
> > trigger a "larger"
>
> Peter, I dunno if you are already aware of it, but the USB peripheral
> mode hangs
> on MX233. It's easy to replicate for example if you try to run CDC
> ethernet over
> the USB peripheral mode, then telnet into the board and run "dmesg" .
> This will
> trigger a "larger" data transfer which
Hi,
> Dear Michael Grzeschik,
>
> > Hi Marek,
> >
> > On Fri, Jun 21, 2013 at 01:26:10PM +0200, Marek Vasut wrote:
> > > Hi,
> > >
> > > > Hi,
> > > >
> > > > On Wed, May 29, 2013 at 08:07:55AM +, Chen Peter-B29397 wrote:
> > > > > > Indeed, I've been using the patchset "Add tested id swit
Dear Michael Grzeschik,
> Hi Marek,
>
> On Fri, Jun 21, 2013 at 01:26:10PM +0200, Marek Vasut wrote:
> > Hi,
> >
> > > Hi,
> > >
> > > On Wed, May 29, 2013 at 08:07:55AM +, Chen Peter-B29397 wrote:
> > > > > Indeed, I've been using the patchset "Add tested id switch and vbus
> > > > > conne
Hi Marek,
On Fri, Jun 21, 2013 at 01:26:10PM +0200, Marek Vasut wrote:
> Hi,
>
> > Hi,
> >
> > On Wed, May 29, 2013 at 08:07:55AM +, Chen Peter-B29397 wrote:
> > > > Indeed, I've been using the patchset "Add tested id switch and vbus
> > > > connect detect support for Chipidea" from Peter fo
Hi,
> Hi,
>
> On Wed, May 29, 2013 at 08:07:55AM +, Chen Peter-B29397 wrote:
> > > Indeed, I've been using the patchset "Add tested id switch and vbus
> > > connect detect support for Chipidea" from Peter for quite some time on
> > > top of 3.9 and it works like a charm for the gadget mode on
Hi Hector,
On Thu, May 30, 2013 at 06:17:47PM +0200, Hector Palacios wrote:
> Dear Maxime,
>
> On 05/29/2013 09:50 AM, maxime.rip...@free-electrons.com wrote:
> >Hi,
> >
> >On Wed, May 29, 2013 at 07:11:30AM +, Chen Peter-B29397 wrote:
> >>
> >>>Hello,
> >>>
> >>>Am I right in assuming that t
Dear Maxime,
On 05/29/2013 09:50 AM, maxime.rip...@free-electrons.com wrote:
Hi,
On Wed, May 29, 2013 at 07:11:30AM +, Chen Peter-B29397 wrote:
Hello,
Am I right in assuming that the MXS USB on-the-go port does not currently
support the
device (gadget) functionality?
Anybody out there w
Hi Michael,
On Wed, May 29, 2013 at 02:41:08PM +0200, Michael Grzeschik wrote:
> Peters patches need some more care, as they are not cleanly sperated.
> One patch e.g. adds an delayed worker to handle the otg events. Another
> one above that patch is removing the worker afterwards.
I see, thanks!
On Wed, May 29, 2013 at 02:19:16PM +0200, maxime.rip...@free-electrons.com
wrote:
> Hi Michael,
>
> On Wed, May 29, 2013 at 12:13:32PM +0200, Michael Grzeschik wrote:
> > Hi,
> >
> > On Wed, May 29, 2013 at 08:07:55AM +, Chen Peter-B29397 wrote:
> > >
> > >
> > > >
> > > > Indeed, I've b
Hi Michael,
On Wed, May 29, 2013 at 12:13:32PM +0200, Michael Grzeschik wrote:
> Hi,
>
> On Wed, May 29, 2013 at 08:07:55AM +, Chen Peter-B29397 wrote:
> >
> >
> > >
> > > Indeed, I've been using the patchset "Add tested id switch and vbus
> > > connect detect support for Chipidea" from P
Hi,
On Wed, May 29, 2013 at 08:07:55AM +, Chen Peter-B29397 wrote:
>
>
> >
> > Indeed, I've been using the patchset "Add tested id switch and vbus
> > connect detect support for Chipidea" from Peter for quite some time on
> > top of 3.9 and it works like a charm for the gadget mode on an M
>
> Indeed, I've been using the patchset "Add tested id switch and vbus
> connect detect support for Chipidea" from Peter for quite some time on
> top of 3.9 and it works like a charm for the gadget mode on an MX28
> platform.
>
> BTW, Peter, I've seen that these patches are still not merged i
Hi,
On Wed, May 29, 2013 at 07:11:30AM +, Chen Peter-B29397 wrote:
>
> > Hello,
> >
> > Am I right in assuming that the MXS USB on-the-go port does not currently
> > support the
> > device (gadget) functionality?
> > Anybody out there working on that?
> >
>
> As far as I know, Maxime Ripa
> Hello,
>
> Am I right in assuming that the MXS USB on-the-go port does not currently
> support the
> device (gadget) functionality?
> Anybody out there working on that?
>
As far as I know, Maxime Ripard may already let the chipidea durl-role function
work ok at mx28. It may need my chipidea
37 matches
Mail list logo
