Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml
Extension
.yaml
Size
5263 bytes
Lines
212
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 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/soc/qcom/qcom,apr.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm APR/GPR (Asynchronous/Generic Packet Router)

maintainers:
  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

description: |
  This binding describes the Qualcomm APR/GPR, APR/GPR is a IPC protocol for
  communication between Application processor and QDSP. APR/GPR is mainly
  used for audio/voice services on the QDSP.

properties:
  compatible:
    enum:
      - qcom,apr
      - qcom,apr-v2
      - qcom,gpr

  power-domains:
    maxItems: 1

  qcom,apr-domain:
    $ref: /schemas/types.yaml#/definitions/uint32
    enum: [1, 2, 3, 4, 5, 6, 7]
    description:
      Selects the processor domain for apr
        1 = APR simulator
        2 = PC Domain
        3 = Modem Domain
        4 = ADSP Domain
        5 = Application processor Domain
        6 = Modem2 Domain
        7 = Application Processor2 Domain
    deprecated: true

  qcom,domain:
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 1
    maximum: 7
    description:
      Selects the processor domain for apr
        1 = APR simulator
        2 = PC Domain
        3 = Modem Domain
        4 = ADSP Domain
        5 = Application processor Domain
        6 = Modem2 Domain
        7 = Application Processor2 Domain
      Selects the processor domain for gpr
        1 = Modem Domain
        2 = Audio DSP Domain
        3 = Application Processor Domain

  qcom,glink-channels:
    $ref: /schemas/types.yaml#/definitions/string-array
    description: Channel name used for the communication
    maxItems: 1

  qcom,intents:
    $ref: /schemas/types.yaml#/definitions/uint32-matrix
    minItems: 1
    maxItems: 32
    items:
      items:
        - description: size of each intent to preallocate

Annotation

Implementation Notes