Documentation/devicetree/bindings/dma/arm-pl08x.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/dma/arm-pl08x.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/dma/arm-pl08x.yaml
Extension
.yaml
Size
3352 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-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/dma/arm-pl08x.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ARM PrimeCell PL080 and PL081 and derivatives DMA controller

maintainers:
  - Vinod Koul <vkoul@kernel.org>

allOf:
  - $ref: /schemas/arm/primecell.yaml#
  - $ref: dma-controller.yaml#

# We need a select here so we don't match all nodes with 'arm,primecell'
select:
  properties:
    compatible:
      contains:
        enum:
          - arm,pl080
          - arm,pl081
  required:
    - compatible

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - arm,pl080
              - arm,pl081
          - const: arm,primecell
      - items:
          - const: faraday,ftdma020
          - const: arm,pl080
          - const: arm,primecell

  reg:
    maxItems: 1
    description: Address range of the PL08x registers

  interrupts:
    minItems: 1
    description: The PL08x interrupt number

  clocks:
    minItems: 1
    description: The clock running the IP core clock

  clock-names:
    maxItems: 1

  lli-bus-interface-ahb1:
    type: boolean
    description: if AHB master 1 is eligible for fetching LLIs

  lli-bus-interface-ahb2:
    type: boolean
    description: if AHB master 2 is eligible for fetching LLIs

  mem-bus-interface-ahb1:
    type: boolean
    description: if AHB master 1 is eligible for fetching memory contents

  mem-bus-interface-ahb2:
    type: boolean
    description: if AHB master 2 is eligible for fetching memory contents

Annotation

Implementation Notes