[PATCH 20/20] arch: dts: Fix DWC USB3 DT nodes name

Felipe Balbi balbi at kernel.org
Thu Oct 15 06:15:37 EDT 2020


Serge Semin <Sergey.Semin at baikalelectronics.ru> writes:

> On Wed, Oct 14, 2020 at 05:09:37PM +0300, Felipe Balbi wrote:
>> 
>> Hi Serge,
>> 
>> Serge Semin <Sergey.Semin at baikalelectronics.ru> writes:
>> > In accordance with the DWC USB3 bindings the corresponding node name is
>> > suppose to comply with Generic USB HCD DT schema, which requires the USB
>> 
>
>> DWC3 is not a simple HDC, though.
>
> Yeah, strictly speaking it is equipped with a lot of vendor-specific stuff,
> which are tuned by the DWC USB3 driver in the kernel. But after that the
> controller is registered as xhci-hcd device so it's serviced by the xHCI driver,

in Dual-role or host-only builds, that's correct. We can also have
peripheral-only builds (both SW or HW versions) which means xhci isn't
even in the picture.

-- 
balbi
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