linux-kernel - Re: [PATCH v2] usb: gadget: composite: parse dt values

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Date:	Thu, 9 Aug 2012 08:55:11 -0300
From:	Alexandre Pereira da Silva <aletes.xgr@...il.com>
To:	balbi@...com
Cc:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Michal Nazarewicz <mina86@...a86.com>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH v2] usb: gadget: composite: parse dt values

On Thu, Aug 9, 2012 at 8:49 AM, Felipe Balbi <balbi@...com> wrote:
> Hi,
>
> On Thu, Aug 09, 2012 at 01:42:42PM +0200, Sebastian Andrzej Siewior wrote:
>> On Tue, Jul 24, 2012 at 10:15:20AM -0300, Alexandre Pereira da Silva wrote:
>> > --- /dev/null
>> > +++ b/Documentation/devicetree/bindings/usb/gadget.txt
>> > @@ -0,0 +1,20 @@
>> > +Usb Gadget DeviceTree bindings
>> > +
>> > +These optional properties inside the usb device controller node are used to
>> > +change some of the gadget drivers configuration:
>> > +- vendor-id: Usb vendor id
>> > +- product-id: Usb product id
>> > +- release: Version of this device
>> > +- vendor: Textual description of the vendor
>> > +- device: Textual description of this device
>> > +- serial: Textual representation of the device's serial number
>> > +
>> > +Binding Example:
>> > +   usbd@...20000 {
>> > +           vendor-id = <0x0525>;
>> > +           product-id = <0xa4a6>;
>> > +           release = <1>;
>> > +           vendor = "Some Corp";
>> > +           device = "Test Device";
>> > +           serial = "12345";
>
> on top of everything Sebastian said, I think we should stick to the
> field names set forth on the USB specification meaning that instead of
> vendor-id we should use idVendor, instead of vendor we should use
> iManufacturer, and so on.

Thanks for the feedback.

I agree that this should look more like the usb specifications and
allow mapping between usb interfaces and gadget drivers.

I will rework this to provide a new patch that at least don't conflict
with this idea.
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