dts/bindings/usb/nuvoton,numaker-usbd.yaml

# Copyright (c) 2022 Nuvoton Technology Corporation
# SPDX-License-Identifier: Apache-2.0

description: Nuvoton NuMaker USB 1.1 device controller

compatible: "nuvoton,numaker-usbd"

include: [usb-ep.yaml, reset-device.yaml, pinctrl-device.yaml]

properties:
  reg:
    required: true

  interrupts:
    required: true

  resets:
    required: true

  clocks:
    required: true

  dma-buffer-size:
    type: int
    required: true
    description: |
      Size of DMA buffer in bytes

  disallow-iso-in-out-same-number:
    type: boolean
    description: |
      Some soc series don't allow Isochronous IN/OUT endpoints to be assigned the same numbers,
      for example, 0x82 (for Isochronous IN) and 0x02 (for Isochronous OUT) are disallowed.

  allow-disable-usb-on-unplug:
    type: boolean
    description: |
      Supports USB controller can be disabled temporarily when USB cable is unplugged
      and then enabled back when the cable is re-plugged.

  disable-vbus-detect:
    type: boolean
    description: |
      Nuvoton USBD peripheral supports VBUS detect functionality, but some PCB designs
      may choose to use mutually exclusive USB-C peripheral for VBUS detection.
      In this case, the USB controller backed VBUS detect functionality won't work and
      needs to be disabled.