Re: [PATCH v3 1/2] dt-bindings: usb: dwc3: Document Renesas R-Car Gen5 DWC3 xHCI USB controller

From: Krzysztof Kozlowski

Date: Mon Aug 17 2026 - 03:17:47 EST


On 17/08/2026 09:06, Geert Uytterhoeven wrote:
> On Mon, 17 Aug 2026 at 09:01, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>> On Tue, Aug 11, 2026 at 07:09:33AM +0200, Marek Vasut wrote:
>>> The Renesas R-Car Gen5 SoC contains multiple instances of DWC3 USB
>>> controller with glue logic wrapper around them. Document the glue
>>> logic and DWC3 controller.
>>>
>>> Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
>
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/usb/renesas,rcar-gen5-dwc3.yaml
>
>>> + dr_mode:
>>
>> We don't accept properties with underscores, unless this is coming from
>> existing schema but I do not see snps,dwc referenced in the binding.
>>
>>> + enum: [ host, otg, peripheral ]
>
> Probably this should just reference usb/usb-drd.yaml instead of
> defining it itselves.
If this is DWC, why isn't it referencing snps,dwc-common?


Best regards,
Krzysztof