Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml
Extension
.yaml
Size
2898 bytes
Lines
113
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
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/ti,j721e-usb.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: TI wrapper module for the Cadence USBSS-DRD controller

maintainers:
  - Roger Quadros <rogerq@kernel.org>

properties:
  compatible:
    oneOf:
      - const: ti,j721e-usb
      - items:
          - const: ti,am64-usb
          - const: ti,j721e-usb

  reg:
    maxItems: 1

  ranges: true

  power-domains:
    description:
      PM domain provider node and an args specifier containing
      the USB device id value. See,
      Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
    maxItems: 1

  clocks:
    description: Clock phandles to usb2_refclk and lpm_clk
    minItems: 2
    maxItems: 2

  clock-names:
    items:
      - const: ref
      - const: lpm

  ti,usb2-only:
    description:
      If present, it restricts the controller to USB2.0 mode of
      operation. Must be present if USB3 PHY is not available
      for USB.
    type: boolean

  ti,vbus-divider:
    description:
      Should be present if USB VBUS line is connected to the
      VBUS pin of the SoC via a 1/3 voltage divider.
    type: boolean

  '#address-cells':
    const: 2

  '#size-cells':
    const: 2

  dma-coherent: true

patternProperties:
  "^usb@":
    type: object

required:
  - compatible
  - reg
  - power-domains

Annotation

Implementation Notes