Documentation/devicetree/bindings/usb/google,lga-dwc3.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/usb/google,lga-dwc3.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/usb/google,lga-dwc3.yaml
Extension
.yaml
Size
4162 bytes
Lines
141
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 OR BSD-2-Clause)
# Copyright (c) 2025, Google LLC
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/google,lga-dwc3.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Google Tensor Series G5 (Laguna) DWC3 USB SoC Controller

maintainers:
  - Roy Luo <royluo@google.com>

description:
  Describes the DWC3 USB controller block implemented on Google Tensor SoCs,
  starting with the G5 generation (laguna). Based on Synopsys DWC3 IP, the
  controller features Dual-Role Device single port with hibernation add-on.

properties:
  compatible:
    const: google,lga-dwc3

  reg:
    items:
      - description: Core DWC3 IP registers.

  interrupts:
    items:
      - description: Core DWC3 interrupt.
      - description: High speed power management event for remote wakeup.
      - description: Super speed power management event for remote wakeup.

  interrupt-names:
    items:
      - const: core
      - const: hs_pme
      - const: ss_pme

  clocks:
    items:
      - description: Non-sticky module clock.
      - description: Sticky module clock.

  clock-names:
    items:
      - const: non_sticky
      - const: sticky

  resets:
    items:
      - description: Non-sticky module reset.
      - description: Sticky module reset.
      - description: DRD bus reset.
      - description: Top-level reset.

  reset-names:
    items:
      - const: non_sticky
      - const: sticky
      - const: drd_bus
      - const: top

  power-domains:
    items:
      - description: Power switchable domain, the child of top domain.
          Turning it on puts the controller into full power state,
          turning it off puts the controller into power gated state.
      - description: Top domain, the parent of power switchable domain.
          Turning it on puts the controller into power gated state,
          turning it off completely shuts off the controller.

Annotation

Implementation Notes