Documentation/devicetree/bindings/display/mediatek/mediatek,wdma.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/display/mediatek/mediatek,wdma.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/display/mediatek/mediatek,wdma.yaml
Extension
.yaml
Size
2562 bytes
Lines
90
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

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Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/mediatek/mediatek,wdma.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Mediatek Write Direct Memory Access

maintainers:
  - Chun-Kuang Hu <chunkuang.hu@kernel.org>
  - Philipp Zabel <p.zabel@pengutronix.de>

description: |
  Mediatek Write Direct Memory Access(WDMA) component used to write
  the data into DMA.
  WDMA device node must be siblings to the central MMSYS_CONFIG node.
  For a description of the MMSYS_CONFIG binding, see
  Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
  for details.

properties:
  compatible:
    oneOf:
      - enum:
          - mediatek,mt8173-disp-wdma
      - items:
          - enum:
              - mediatek,mt6795-disp-wdma
              - mediatek,mt8167-disp-wdma
          - const: mediatek,mt8173-disp-wdma

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  power-domains:
    description: A phandle and PM domain specifier as defined by bindings of
      the power controller specified by phandle. See
      Documentation/devicetree/bindings/power/power-domain.yaml for details.

  clocks:
    items:
      - description: WDMA Clock

  iommus:
    maxItems: 1

  mediatek,gce-client-reg:
    description: The register of client driver can be configured by gce with
      4 arguments defined in this property, such as phandle of gce, subsys id,
      register offset and size. Each GCE subsys id is mapping to a client
      defined in the header include/dt-bindings/gce/<chip>-gce.h.
    $ref: /schemas/types.yaml#/definitions/phandle-array
    maxItems: 1

required:
  - compatible
  - reg
  - interrupts
  - power-domains
  - clocks
  - iommus

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>

Annotation

Implementation Notes