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

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/dma/renesas,rz-dmac.yaml
Extension
.yaml
Size
7700 bytes
Lines
302
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,rz-dmac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas RZ DMA Controller

maintainers:
  - Biju Das <biju.das.jz@bp.renesas.com>

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - renesas,r7s72100-dmac # RZ/A1H
              - renesas,r9a07g043-dmac # RZ/G2UL and RZ/Five
              - renesas,r9a07g044-dmac # RZ/G2{L,LC}
              - renesas,r9a07g054-dmac # RZ/V2L
              - renesas,r9a08g045-dmac # RZ/G3S
              - renesas,r9a08g046-dmac # RZ/G3L
          - const: renesas,rz-dmac

      - items:
          - enum:
              - renesas,r9a09g047-dmac # RZ/G3E
              - renesas,r9a09g056-dmac # RZ/V2N
          - const: renesas,r9a09g057-dmac

      - const: renesas,r9a09g057-dmac # RZ/V2H(P)

      - const: renesas,r9a09g077-dmac # RZ/T2H

      - items:
          - enum:
              - renesas,r9a09g087-dmac # RZ/N2H
          - const: renesas,r9a09g077-dmac

  reg:
    items:
      - description: Control and channel register block
      - description: DMA extended resource selector block
    minItems: 1

  interrupts:
    minItems: 16
    maxItems: 17

  interrupt-names:
    minItems: 16
    maxItems: 17

  clocks:
    items:
      - description: DMA main clock
      - description: DMA register access clock
    minItems: 1

  clock-names:
    items:
      - const: main
      - const: register

  '#dma-cells':
    const: 1
    description:
      The cell specifies the encoded MID/RID or the REQ No values of
      the DMAC port connected to the DMA client and the slave channel
      configuration parameters.

Annotation

Implementation Notes