Documentation/devicetree/bindings/sound/neofidelity,ntp8918.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/neofidelity,ntp8918.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/neofidelity,ntp8918.yaml
Extension
.yaml
Size
1474 bytes
Lines
73
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-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/neofidelity,ntp8918.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NeoFidelity NTP8918 Amplifier

maintainers:
  - Igor Prusov <ivprusov@salutedevices.com>

description:
  The NTP8918 is a single chip full digital audio amplifier
  including power stage for stereo amplifier system.
  The NTP8918 is integrated with versatile digital audio signal
  processing functions, high-performance, high-fidelity fully
  digital PWM modulator and two high-power full-bridge MOSFET
  power stages.

allOf:
  - $ref: dai-common.yaml#

properties:
  compatible:
    enum:
      - neofidelity,ntp8918

  reg:
    enum:
      - 0x2a
      - 0x2b
      - 0x2c
      - 0x2d

  reset-gpios:
    maxItems: 1

  '#sound-dai-cells':
    const: 0

  clocks:
    maxItems: 3

  clock-names:
    items:
      - const: wck
      - const: scl
      - const: bck

required:
  - compatible
  - reg

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>

    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        audio-codec@2a {
            compatible = "neofidelity,ntp8918";
            #sound-dai-cells = <0>;
            reg = <0x2a>;
            clocks = <&clkc 150>, <&clkc 151>, <&clkc 152>;
            clock-names =  "wck", "scl", "bck";
            reset-gpios = <&gpio 5 GPIO_ACTIVE_LOW>;

Annotation

Implementation Notes