Documentation/devicetree/bindings/sound/atmel,sama5d2-pdmic.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/atmel,sama5d2-pdmic.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/atmel,sama5d2-pdmic.yaml
Extension
.yaml
Size
2356 bytes
Lines
99
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)
# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/atmel,sama5d2-pdmic.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Atmel PDMIC decoder

maintainers:
  - Claudiu Beznea <claudiu.beznea@microchip.com>

description:
  Atmel Pulse Density Modulation Interface Controller
  (PDMIC) peripheral is a mono PDM decoder module
  that decodes an incoming PDM sample stream.

properties:
  compatible:
    const: atmel,sama5d2-pdmic

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: peripheral clock
      - description: generated clock

  clock-names:
    items:
      - const: pclk
      - const: gclk

  dmas:
    maxItems: 1

  dma-names:
    const: rx

  atmel,mic-min-freq:
    $ref: /schemas/types.yaml#/definitions/uint32
    description:
      The minimal frequency that the microphone supports.

  atmel,mic-max-freq:
    $ref: /schemas/types.yaml#/definitions/uint32
    description:
      The maximal frequency that the microphone supports.

  atmel,model:
    $ref: /schemas/types.yaml#/definitions/string
    default: PDMIC
    description: The user-visible name of this sound card.

  atmel,mic-offset:
    $ref: /schemas/types.yaml#/definitions/int32
    default: 0
    description: The offset that should be added.

required:
  - compatible
  - reg
  - interrupts
  - dmas
  - dma-names
  - clock-names

Annotation

Implementation Notes