Documentation/devicetree/bindings/dma/renesas,usb-dmac.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/dma/renesas,usb-dmac.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/dma/renesas,usb-dmac.yaml
Extension
.yaml
Size
2615 bytes
Lines
105
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/dma/renesas,usb-dmac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas USB DMA Controller

maintainers:
  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

allOf:
  - $ref: dma-controller.yaml#

properties:
  compatible:
    items:
      - enum:
          - renesas,r8a7742-usb-dmac  # RZ/G1H
          - renesas,r8a7743-usb-dmac  # RZ/G1M
          - renesas,r8a7744-usb-dmac  # RZ/G1N
          - renesas,r8a7745-usb-dmac  # RZ/G1E
          - renesas,r8a77470-usb-dmac # RZ/G1C
          - renesas,r8a774a1-usb-dmac # RZ/G2M
          - renesas,r8a774b1-usb-dmac # RZ/G2N
          - renesas,r8a774c0-usb-dmac # RZ/G2E
          - renesas,r8a774e1-usb-dmac # RZ/G2H
          - renesas,r8a7790-usb-dmac  # R-Car H2
          - renesas,r8a7791-usb-dmac  # R-Car M2-W
          - renesas,r8a7793-usb-dmac  # R-Car M2-N
          - renesas,r8a7794-usb-dmac  # R-Car E2
          - renesas,r8a7795-usb-dmac  # R-Car H3
          - renesas,r8a7796-usb-dmac  # R-Car M3-W
          - renesas,r8a77961-usb-dmac # R-Car M3-W+
          - renesas,r8a77965-usb-dmac # R-Car M3-N
          - renesas,r8a77990-usb-dmac # R-Car E3
          - renesas,r8a77995-usb-dmac # R-Car D3
      - const: renesas,usb-dmac

  reg:
    maxItems: 1

  interrupts:
    minItems: 2
    maxItems: 2

  interrupt-names:
    items:
      - pattern: ch0
      - pattern: ch1

  clocks:
    maxItems: 1

  '#dma-cells':
    const: 1
    description:
      The cell specifies the channel number of the DMAC port connected to
      the DMA client.

  dma-channels:
    const: 2

  iommus:
    minItems: 2
    maxItems: 2

  power-domains:
    maxItems: 1

Annotation

Implementation Notes