Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
Extension
.yaml
Size
1976 bytes
Lines
84
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/mailbox/mediatek,gce-mailbox.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Mediatek Global Command Engine Mailbox

maintainers:
  - Houlong Wei <houlong.wei@mediatek.com>

description:
  The Global Command Engine (GCE) is used to help read/write registers with
  critical time limitation, such as updating display configuration during the
  vblank. The GCE can be used to implement the Command Queue (CMDQ) driver.

properties:
  compatible:
    oneOf:
      - enum:
          - mediatek,mt6779-gce
          - mediatek,mt8173-gce
          - mediatek,mt8183-gce
          - mediatek,mt8186-gce
          - mediatek,mt8188-gce
          - mediatek,mt8192-gce
          - mediatek,mt8195-gce
          - mediatek,mt8196-gce
      - items:
          - const: mediatek,mt6795-gce
          - const: mediatek,mt8173-gce

  "#mbox-cells":
    const: 2
    description:
      The first cell describes the Thread ID of the GCE,
      the second cell describes the priority of the GCE thread

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: Global Command Engine clock

  clock-names:
    items:
      - const: gce

  iommus:
    maxItems: 1

required:
  - compatible
  - "#mbox-cells"
  - reg
  - interrupts
  - clocks

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/mt8173-clk.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>

Annotation

Implementation Notes