Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml
Extension
.yaml
Size
1252 bytes
Lines
57
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)
# Copyright 2019 BayLibre, SAS
%YAML 1.2
---
$id: http://devicetree.org/schemas/reset/amlogic,meson-axg-audio-arb.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic audio memory arbiter controller

maintainers:
  - Jerome Brunet <jbrunet@baylibre.com>

description: The Amlogic Audio ARB is a simple device which enables or disables
  the access of Audio FIFOs to DDR on AXG based SoC.

properties:
  compatible:
    enum:
      - amlogic,meson-axg-audio-arb
      - amlogic,meson-sm1-audio-arb

  reg:
    maxItems: 1

  clocks:
    maxItems: 1
    description: |
      phandle to the fifo peripheral clock provided by the audio clock
      controller.

  "#reset-cells":
    const: 1

required:
  - compatible
  - reg
  - clocks
  - "#reset-cells"

additionalProperties: false

examples:
  - |
    // on the A113 SoC:
    #include <dt-bindings/clock/axg-audio-clkc.h>
    bus {
        #address-cells = <2>;
        #size-cells = <2>;

        arb: reset-controller@280 {
            compatible = "amlogic,meson-axg-audio-arb";
            reg = <0x0 0x280 0x0 0x4>;
            #reset-cells = <1>;
            clocks = <&clkc_audio AUD_CLKID_DDR_ARB>;
        };
    };

Annotation

Implementation Notes