On 01/20/2017 02:00 PM, Roger Quadros wrote:
Vivek,
On 19/01/17 17:15, vivek.gau...@codeaurora.org wrote:
Hi Roger,
On 2017-01-19 17:45, Roger Quadros wrote:
Vivek,
On 19/01/17 13:56, Vivek Gautam wrote:
Hi,
On Wed, Jun 22, 2016 at 2:00 PM, Roger Quadros wrote:
Luckily hit this thread
Vivek,
On 19/01/17 17:15, vivek.gau...@codeaurora.org wrote:
> Hi Roger,
>
> On 2017-01-19 17:45, Roger Quadros wrote:
>> Vivek,
>>
>> On 19/01/17 13:56, Vivek Gautam wrote:
>>> Hi,
>>>
>>>
>>> On Wed, Jun 22, 2016 at 2:00 PM, Roger Quadros wrote:
>>>
>>> Luckily hit this thread while checking a
Hi Roger,
On 2017-01-19 17:45, Roger Quadros wrote:
Vivek,
On 19/01/17 13:56, Vivek Gautam wrote:
Hi,
On Wed, Jun 22, 2016 at 2:00 PM, Roger Quadros wrote:
Luckily hit this thread while checking about DRD role functionality
for DWC3.
On 22/06/16 11:14, Felipe Balbi wrote:
Hi,
Roger
Vivek,
On 19/01/17 13:56, Vivek Gautam wrote:
> Hi,
>
>
> On Wed, Jun 22, 2016 at 2:00 PM, Roger Quadros wrote:
>
> Luckily hit this thread while checking about DRD role functionality for DWC3.
>
>> On 22/06/16 11:14, Felipe Balbi wrote:
>>>
>>> Hi,
>>>
>>> Roger Quadros writes:
Hi,
On Wed, Jun 22, 2016 at 2:00 PM, Roger Quadros wrote:
Luckily hit this thread while checking about DRD role functionality for DWC3.
> On 22/06/16 11:14, Felipe Balbi wrote:
>>
>> Hi,
>>
>> Roger Quadros writes:
>>> For the real use case, some Carplay platforms need it.
>>
Hi Roger-san,
< snip >
> commit 11c011a5e777c83819078a18672543f04482b3ec
> Author: Srinivas Kandagatla
> Date: Thu May 19 11:12:56 2016 +0100
>
> usb: echi-hcd: Add ehci_setup check before echi_shutdown
>
>
>
> In some cases, the USB code (gadget
Hi,
> From: Peter Chen
> Sent: Wednesday, June 22, 2016 12:34 PM
>
> On Tue, Jun 21, 2016 at 05:47:47PM +0300, Felipe Balbi wrote:
> >
> > Hi,
> >
> > Peter Chen writes:
> > >> >> >> >> >>> + * @otg_dev: OTG controller device, if needs to be used
> > >> >> >> >> >>> with OTG core.
> > >> >> >>
On 22/06/16 11:14, Felipe Balbi wrote:
>
> Hi,
>
> Roger Quadros writes:
>> For the real use case, some Carplay platforms need it.
>
> Carplay does *NOT* rely on OTG. Apple has its own proprietary and
> closed
> specification which is not OTG-compliant.
>
Hi,
Roger Quadros writes:
> For the real use case, some Carplay platforms need it.
Carplay does *NOT* rely on OTG. Apple has its own proprietary and
closed
specification which is not OTG-compliant.
>>>
>>> Yes, it is not OTG-compliant
Hi,
Peter Chen writes:
>> >> >> >> So far, I haven't seen anybody talking about real USB OTG (the spec)
>> >> >> >> when they say OTG. Usually they just mean "a method for swapping
>> >> >> >> between
>> >> >> >> host and peripheral roles, but we really don't want all the extra
>> >> >> >> cos
Hi,
Peter Chen writes:
>> >> >> >> > So, unless we use OTG FSM defined in OTG spec, we should not
>> >> >> >> > mention
>> >> >> >> > "OTG" in Linux, right?
>> >> >> >>
>> >> >> >> to avoid confusion with the terminology, yes. With that settled,
>> >> >> >> let's
>> >> >> >> figure out how yo
On Wed, Jun 22, 2016 at 09:56:22AM +0300, Felipe Balbi wrote:
>
> Hi,
>
> Peter Chen writes:
> >> Peter Chen writes:
> >> >> >> So far, I haven't seen anybody talking about real USB OTG (the spec)
> >> >> >> when they say OTG. Usually they just mean "a method for swapping
> >> >> >> between
>
Hi Felipe,
On 22/06/16 09:56, Felipe Balbi wrote:
>
> Hi,
>
> Peter Chen writes:
>>> Peter Chen writes:
>>> So far, I haven't seen anybody talking about real USB OTG (the spec)
>>> when they say OTG. Usually they just mean "a method for swapping between
>>> host and peripheral role
On Wed, Jun 22, 2016 at 09:51:19AM +0300, Felipe Balbi wrote:
>
> Hi,
>
> Peter Chen writes:
> >> >> >> > So, unless we use OTG FSM defined in OTG spec, we should not
> >> >> >> > mention
> >> >> >> > "OTG" in Linux, right?
> >> >> >>
> >> >> >> to avoid confusion with the terminology, yes. Wi
Hi,
Peter Chen writes:
>> Peter Chen writes:
>> >> >> So far, I haven't seen anybody talking about real USB OTG (the spec)
>> >> >> when they say OTG. Usually they just mean "a method for swapping
>> >> >> between
>> >> >> host and peripheral roles, but we really don't want all the extra cost
Hi,
Peter Chen writes:
>> >> >> > So, unless we use OTG FSM defined in OTG spec, we should not mention
>> >> >> > "OTG" in Linux, right?
>> >> >>
>> >> >> to avoid confusion with the terminology, yes. With that settled, let's
>> >> >> figure out how you can deliver what your marketting guys are
On Tue, Jun 21, 2016 at 05:47:47PM +0300, Felipe Balbi wrote:
>
> Hi,
>
> Peter Chen writes:
> >> >> >> >> >>> + * @otg_dev: OTG controller device, if needs to be used with
> >> >> >> >> >>> OTG core.
> >> >> >> >> >>
> >> >> >> >> >> do you really know of any platform which has a separate OTG
On Tue, Jun 21, 2016 at 01:02:59PM +0300, Felipe Balbi wrote:
>
> Hi,
>
> Peter Chen writes:
> >> >> So far, I haven't seen anybody talking about real USB OTG (the spec)
> >> >> when they say OTG. Usually they just mean "a method for swapping between
> >> >> host and peripheral roles, but we rea
Hi,
Peter Chen writes:
>> >> >> >> >>> + * @otg_dev: OTG controller device, if needs to be used with
>> >> >> >> >>> OTG core.
>> >> >> >> >>
>> >> >> >> >> do you really know of any platform which has a separate OTG
>> >> >> >> >> controller?
>> >> >> >> >>
>> >> >> >> >
>> >> >> >> > Andre
On Tue, Jun 21, 2016 at 03:35:00PM +0300, Felipe Balbi wrote:
>
> Hi,
>
> Peter Chen writes:
> >> >> >> >>> + * @otg_dev: OTG controller device, if needs to be used with
> >> >> >> >>> OTG core.
> >> >> >> >>
> >> >> >> >> do you really know of any platform which has a separate OTG
> >> >> >>
Hi,
Peter Chen writes:
>> >> >> >>> + * @otg_dev: OTG controller device, if needs to be used with OTG
>> >> >> >>> core.
>> >> >> >>
>> >> >> >> do you really know of any platform which has a separate OTG
>> >> >> >> controller?
>> >> >> >>
>> >> >> >
>> >> >> > Andrew had pointed out in [1]
On Tue, Jun 21, 2016 at 11:18:21AM +0300, Felipe Balbi wrote:
>
> Hi,
>
> Peter Chen writes:
> >> Peter Chen writes:
> >> >> >>> +
> >> >> >>> + /* start host */
> >> >> >>> + ret = hcd_ops->add(otg->primary_hcd.hcd,
> >> >> >>> + otg->primary_hc
Hi,
Tony Lindgren writes:
> * Felipe Balbi [160621 03:06]:
>> 8<--
>> vbus = read(VBUS_STATE); /* could be a gpio_get_value() */
>> id = read(ID_STATE); /* could be a gpio_get_value() */
>>
>> set_role(id)
* Felipe Balbi [160621 03:06]:
> 8<--
> vbus = read(VBUS_STATE); /* could be a gpio_get_value() */
> id = read(ID_STATE); /* could be a gpio_get_value() */
>
> set_role(id);
> set_vbus(vbus);
We sho
Hi,
Peter Chen writes:
>> >> So far, I haven't seen anybody talking about real USB OTG (the spec)
>> >> when they say OTG. Usually they just mean "a method for swapping between
>> >> host and peripheral roles, but we really don't want all the extra cost
>> >> of the OTG specification".
>> >>
>>
On Tue, Jun 21, 2016 at 10:26:00AM +0300, Felipe Balbi wrote:
>
> Hi,
>
> >>
> >> So far, I haven't seen anybody talking about real USB OTG (the spec)
> >> when they say OTG. Usually they just mean "a method for swapping between
> >> host and peripheral roles, but we really don't want all the ex
Hi,
Peter Chen writes:
>> Peter Chen writes:
>> >> >>> +
>> >> >>> + /* start host */
>> >> >>> + ret = hcd_ops->add(otg->primary_hcd.hcd,
>> >> >>> +otg->primary_hcd.irqnum,
>> >> >>> +otg->primary_hcd.irqf
On Tue, Jun 21, 2016 at 10:19:32AM +0300, Felipe Balbi wrote:
>
> Hi,
>
> Peter Chen writes:
> >> >>> +
> >> >>> + /* start host */
> >> >>> + ret = hcd_ops->add(otg->primary_hcd.hcd,
> >> >>> + otg->primary_hcd.irqnum,
> >> >>> +
Hi,
Yoshihiro Shimoda writes:
> Hi Roger,
>
>> From: Roger Quadros
>> Sent: Monday, June 20, 2016 7:13 PM
>>
>> Hi,
>>
>> On 20/06/16 10:45, Felipe Balbi wrote:
> < snip >
>> >> diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
>> >> index f4fc0aa..1d74fb8 100644
>> >> --- a
Hi,
Peter Chen writes:
>> >> > It provides APIs for the following tasks
>> >> >
>> >> > - Registering an OTG/dual-role capable controller
>> >> > - Registering Host and Gadget controllers to OTG core
>> >> > - Providing inputs to and kicking the OTG state machine
>> >>
>> >> I think I have alre
Hi,
Peter Chen writes:
>> >>> +
>> >>> +/* start host */
>> >>> +ret = hcd_ops->add(otg->primary_hcd.hcd,
>> >>> + otg->primary_hcd.irqnum,
>> >>> + otg->primary_hcd.irqflags);
>> >>
>> >> this i
On Mon, Jun 20, 2016 at 03:03:37PM +0300, Felipe Balbi wrote:
>
> Hi,
>
> >>> +
> >>> + /* start host */
> >>> + ret = hcd_ops->add(otg->primary_hcd.hcd,
> >>> +otg->primary_hcd.irqnum,
> >>> +otg->primary_hcd.irqflags);
> >>
On Mon, Jun 20, 2016 at 03:08:15PM +0300, Felipe Balbi wrote:
>
> Hi,
>
> Peter Chen writes:
> >> Roger Quadros writes:
> >> > It provides APIs for the following tasks
> >> >
> >> > - Registering an OTG/dual-role capable controller
> >> > - Registering Host and Gadget controllers to OTG core
>
Hi Roger,
> From: Roger Quadros
> Sent: Monday, June 20, 2016 7:13 PM
>
> Hi,
>
> On 20/06/16 10:45, Felipe Balbi wrote:
< snip >
> >> diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
> >> index f4fc0aa..1d74fb8 100644
> >> --- a/include/linux/usb/gadget.h
> >> +++ b/include/
Hi,
Roger Quadros writes:
> diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
> index 8689dcb..ed596ec 100644
> --- a/drivers/usb/Kconfig
> +++ b/drivers/usb/Kconfig
> @@ -32,6 +32,23 @@ if USB_SUPPORT
> config USB_COMMON
> tristate
>
> +config USB_O
On 20/06/16 15:03, Felipe Balbi wrote:
>
> Hi,
>
> Roger Quadros writes:
>>> Roger Quadros writes:
It provides APIs for the following tasks
- Registering an OTG/dual-role capable controller
- Registering Host and Gadget controllers to OTG core
- Providing inputs to and
Hi,
Roger Quadros writes:
>> Roger Quadros writes:
>>> It provides APIs for the following tasks
>>>
>>> - Registering an OTG/dual-role capable controller
>>> - Registering Host and Gadget controllers to OTG core
>>> - Providing inputs to and kicking the OTG state machine
>>
>> I think I have a
Hi,
Peter Chen writes:
>> Roger Quadros writes:
>> > It provides APIs for the following tasks
>> >
>> > - Registering an OTG/dual-role capable controller
>> > - Registering Host and Gadget controllers to OTG core
>> > - Providing inputs to and kicking the OTG state machine
>>
>> I think I have
On Mon, Jun 20, 2016 at 10:45:31AM +0300, Felipe Balbi wrote:
>
> Hi,
>
> Roger Quadros writes:
> > It provides APIs for the following tasks
> >
> > - Registering an OTG/dual-role capable controller
> > - Registering Host and Gadget controllers to OTG core
> > - Providing inputs to and kicking t
Hi,
On 20/06/16 10:45, Felipe Balbi wrote:
>
> Hi,
>
> Roger Quadros writes:
>> It provides APIs for the following tasks
>>
>> - Registering an OTG/dual-role capable controller
>> - Registering Host and Gadget controllers to OTG core
>> - Providing inputs to and kicking the OTG state machine
>
Hi,
Roger Quadros writes:
> It provides APIs for the following tasks
>
> - Registering an OTG/dual-role capable controller
> - Registering Host and Gadget controllers to OTG core
> - Providing inputs to and kicking the OTG state machine
I think I have already mentioned this, but after over 10 y
On Mon, Jun 13, 2016 at 10:56:30AM +0300, Roger Quadros wrote:
> It provides APIs for the following tasks
>
> - Registering an OTG/dual-role capable controller
> - Registering Host and Gadget controllers to OTG core
> - Providing inputs to and kicking the OTG state machine
>
> Provide a dual-role
It provides APIs for the following tasks
- Registering an OTG/dual-role capable controller
- Registering Host and Gadget controllers to OTG core
- Providing inputs to and kicking the OTG state machine
Provide a dual-role device (DRD) state machine.
DRD mode is a reduced functionality OTG mode. In
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