Re: [PATCH] dt-bindings: usb: document the Renesas UPD720201/UPD720202 USB 3.0 xHCI Host Controller

[Neil Armstrong]

Le 21/03/2026 à 07:09, Michal Pecio a écrit :
> On Thu, 19 Mar 2026 09:49:32 +0100, Neil Armstrong wrote:
> > Document the Renesas UPD720201/UPD720202 USB 3.0 xHCI Host Controller,
> > which connects over PCIe and requires specific power supplies to
> > start up.
> >
> > Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
> > Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> > ---
> > - [1] https://lore.kernel.org/all/20260220-topic-sm8650-ayaneo-pocket-s2-base-v5-1-1ad79caa1efa@xxxxxxxxxx/
> > ---
> >   .../bindings/usb/renesas,upd720201-pci.yaml        | 61 ++++++++++++++++++++++
> >   1 file changed, 61 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml b/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml
> > new file mode 100644
> > index 000000000000..8b8be572c930
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml
> > @@ -0,0 +1,61 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/usb/renesas,upd720201-pci.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: UPD720201/UPD720202 USB 3.0 xHCI Host Controller (PCIe)
> > +
> > +maintainers:
> > +  - Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> > +
> > +description:
> > +  UPD720201 USB 3.0 xHCI Host Controller via PCIe x1 Gen2 interface.
> > +  The UPD720202 supports up to two downstream ports, while UPD720201
> > +  supports up to four downstream USB 3.0 rev1.0 ports.
> > +
> > +properties:
> > +  compatible:
> > +    const: pci1912,0014
>
> Hi,
>
> AFAIK that's the ID of uPD720201, while uPD720202 is 0015.
> At least that's the case with mine and what hwdata says.

Thanks for the feedback, I'll add 0015 aswell to cover both.

Neil

> Regards,
> Michal