Documentation/devicetree/bindings/dsp/mediatek,mt8195-dsp.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/dsp/mediatek,mt8195-dsp.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/dsp/mediatek,mt8195-dsp.yaml
Extension
.yaml
Size
2767 bytes
Lines
106
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/dsp/mediatek,mt8195-dsp.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Mediatek mt8195 DSP core

maintainers:
  - YC Hung <yc.hung@mediatek.com>

description: |
  Some boards from mt8195 contain a DSP core used for
  advanced pre- and post- audio processing.

properties:
  compatible:
    const: mediatek,mt8195-dsp

  reg:
    items:
      - description: Address and size of the DSP Cfg registers
      - description: Address and size of the DSP SRAM

  reg-names:
    items:
      - const: cfg
      - const: sram

  clocks:
    items:
      - description: mux for audio dsp clock
      - description: 26M clock
      - description: mux for audio dsp local bus
      - description: default audio dsp local bus clock source
      - description: clock gate for audio dsp clock
      - description: mux for audio dsp access external bus

  clock-names:
    items:
      - const: adsp_sel
      - const: clk26m_ck
      - const: audio_local_bus
      - const: mainpll_d7_d2
      - const: scp_adsp_audiodsp
      - const: audio_h

  power-domains:
    maxItems: 1

  mboxes:
    items:
      - description: mailbox for receiving audio DSP requests.
      - description: mailbox for transmitting requests to audio DSP.

  mbox-names:
    items:
      - const: rx
      - const: tx

  memory-region:
    items:
      - description: dma buffer between host and DSP.
      - description: DSP system memory.

required:
  - compatible
  - reg
  - reg-names
  - clocks

Annotation

Implementation Notes