xref: /freebsd/sys/contrib/device-tree/Bindings/usb/usb-uhci.yaml (revision 7d0873ebb83b19ba1e8a89e679470d885efe12e3)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/usb-uhci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Generic Platform UHCI Controller

maintainers:
  - Greg Kroah-Hartman <gregkh@linuxfoundation.org>

properties:
  compatible:
    oneOf:
      - const: generic-uhci
      - const: platform-uhci
        deprecated: true
      - items:
          - enum:
              - aspeed,ast2400-uhci
              - aspeed,ast2500-uhci
              - aspeed,ast2600-uhci
          - const: generic-uhci

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  '#ports':
    $ref: /schemas/types.yaml#/definitions/uint32

  clocks:
    maxItems: 1

required:
  - compatible
  - reg
  - interrupts

allOf:
  - $ref: usb-hcd.yaml
  - if:
      properties:
        compatible:
          contains:
            const: generic-uhci
    then:
      required:
        - clocks

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/aspeed-clock.h>

    usb@d8007b00 {
        compatible = "generic-uhci";
        reg = <0xd8007b00 0x200>;
        interrupts = <43>;
        clocks = <&syscon ASPEED_CLK_GATE_USBUHCICLK>;
    };
  - |
    #include <dt-bindings/clock/aspeed-clock.h>

    usb@1e6b0000 {
        compatible = "aspeed,ast2500-uhci", "generic-uhci";
        reg = <0x1e6b0000 0x100>;
        interrupts = <14>;
        #ports = <2>;
        clocks = <&syscon ASPEED_CLK_GATE_USBUHCICLK>;
    };
...