[PATCH] ARM: dts: keystone: specify usb mode explicitly

Santosh Shilimkar santosh.shilimkar at oracle.com
Mon Jul 18 10:49:49 PDT 2016


On 7/18/2016 10:45 AM, Grygorii Strashko wrote:
> Hi Santosh,
> On 06/28/2016 12:42 PM, Grygorii Strashko wrote:
>> The USB OTG mode is not supported by Kestone 2 devices, as result, the
>> USB devices enumeration and detection will not work properly when
>> kernel is built with CONFIG_USB_DWC3_DUAL_ROLE=y (default for multi
>> platform build):
>>   - it's required to load gadget drivers manually to make host mode
>> work and this confuses current Keystone 2 users
>>   - device mode is not working, because port can't detect and switch to
>> peripheral/host mode dynamically.
>>
>> Hence, specify usb mode explicitly in DT: usb0 = "host" for all KS2
>> devices and usb1 = "peripheral" for K2E.
>>
>> Cc: Sekhar Nori <nsekhar at ti.com>
>> Cc: Roger Quadros <rogerq at ti.com>
>> Signed-off-by: Grygorii Strashko <grygorii.strashko at ti.com>
>
> Do you expect any additional actions from my side relate to this patch?
>
Nope. I will pick this up though it has to wait for next merge window
now.

Regards,
Santosh



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