[U-Boot] [PATCH v4 10/20] tegra: fdt: Add additional USB binding

Olof Johansson olof at lixom.net
Thu Jan 19 07:41:59 CET 2012


Hi,

On Wed, Jan 18, 2012 at 9:55 PM, Simon Glass <sjg at chromium.org> wrote:

>> fsl-usb.txt uses "dr_mode" here, which might make sense to reuse given some of
>> the shared IP in question for device mode:
>>
>>  - dr_mode : indicates the working mode for "fsl-usb2-dr" compatible
>>   controllers.  Can be "host", "peripheral", or "otg".  Default to
>>   "host" if not defined for backward compatibility.
>
> What does 'dr' mean?

After some searching, it looks like it means "dual-role", which seems
appropriate terminology for the tegra SoC as well.


-Olof


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