Documentation/devicetree/bindings/display/mediatek/mediatek,ovl-2l.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/display/mediatek/mediatek,ovl-2l.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/display/mediatek/mediatek,ovl-2l.yaml
Extension
.yaml
Size
3264 bytes
Lines
113
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/display/mediatek/mediatek,ovl-2l.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Mediatek display overlay 2 layer

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

description: |
  Mediatek display overlay 2 layer, namely OVL-2L, provides 2 more layer
  for OVL.
  OVL-2L 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,mt8183-disp-ovl-2l
          - mediatek,mt8192-disp-ovl-2l
      - items:
          - enum:
              - mediatek,mt8186-disp-ovl-2l
          - const: mediatek,mt8192-disp-ovl-2l

  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: OVL-2L Clock

  iommus:
    minItems: 1
    maxItems: 2

  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

  ports:
    $ref: /schemas/graph.yaml#/properties/ports
    description:
      Input and output ports can have multiple endpoints, each of those
      connects to either the primary, secondary, etc, display pipeline.

    properties:
      port@0:
        $ref: /schemas/graph.yaml#/properties/port
        description: OVL input port from MMSYS, VDOSYS or other OVLs

      port@1:

Annotation

Implementation Notes