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

[Michal Pecio]

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.

Regards,
Michal