Documentation/devicetree/bindings/usb/usb-uhci.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/usb/usb-uhci.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/usb/usb-uhci.yaml
Extension
.yaml
Size
1717 bytes
Lines
89
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# 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
              - aspeed,ast2700-uhci
          - const: generic-uhci

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  resets:
    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

  - if:
      properties:
        compatible:
          contains:
            const: aspeed,ast2700-uhci
    then:
      required:
        - resets

unevaluatedProperties: false

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

Annotation

Implementation Notes