Documentation/devicetree/bindings/clock/marvell,mmp2-audio-clock.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/clock/marvell,mmp2-audio-clock.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/clock/marvell,mmp2-audio-clock.yaml
Extension
.yaml
Size
1772 bytes
Lines
76
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.

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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/marvell,mmp2-audio-clock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Marvell MMP2 Audio Clock Controller

maintainers:
  - Lubomir Rintel <lkundrak@v3.sk>

description: |
  The audio clock controller generates and supplies the clocks to the audio
  codec.

  Each clock is assigned an identifier and client nodes use this identifier
  to specify the clock which they consume.

  All these identifiers could be found in
  <dt-bindings/clock/marvell,mmp2-audio.h>.

properties:
  compatible:
    enum:
      - marvell,mmp2-audio-clock

  reg:
    maxItems: 1

  clocks:
    items:
      - description: Audio subsystem clock
      - description: The crystal oscillator clock
      - description: First I2S clock
      - description: Second I2S clock

  clock-names:
    items:
      - const: audio
      - const: vctcxo
      - const: i2s0
      - const: i2s1

  '#clock-cells':
    const: 1

  power-domains:
    maxItems: 1

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - '#clock-cells'

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/marvell,mmp2-audio.h>
    #include <dt-bindings/clock/marvell,mmp2.h>
    #include <dt-bindings/power/marvell,mmp2.h>

    clock-controller@d42a0c30 {
      compatible = "marvell,mmp2-audio-clock";
      reg = <0xd42a0c30 0x10>;
      clock-names = "audio", "vctcxo", "i2s0", "i2s1";
      clocks = <&soc_clocks MMP2_CLK_AUDIO>,
               <&soc_clocks MMP2_CLK_VCTCXO>,

Annotation

Implementation Notes