Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
Extension
.yaml
Size
6793 bytes
Lines
249
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 2020 Analog Devices Inc.
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/adi,ad3552r.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Analog Devices AD2552R DAC device driver

maintainers:
  - Nuno Sá <nuno.sa@analog.com>

description: |
  Bindings for the Analog Devices AD3552R DAC device and similar.
  Datasheet can be found here:
    https://www.analog.com/media/en/technical-documentation/data-sheets/ad3541r.pdf
    https://www.analog.com/media/en/technical-documentation/data-sheets/ad3542r.pdf
    https://www.analog.com/media/en/technical-documentation/data-sheets/ad3551r.pdf
    https://www.analog.com/media/en/technical-documentation/data-sheets/ad3552r.pdf

properties:
  compatible:
    enum:
      - adi,ad3541r
      - adi,ad3542r
      - adi,ad3551r
      - adi,ad3552r

  reg:
    maxItems: 1

  spi-max-frequency:
    maximum: 66000000

  reset-gpios:
    maxItems: 1

  ldac-gpios:
    description: |
      LDAC pin to be used as a hardware trigger to update the DAC channels.
    maxItems: 1

  vref-supply:
    description:
      The regulator to use as an external reference. If it does not exists the
      internal reference will be used. External reference must be 2.5V

  adi,vref-out-en:
    description: Vref I/O driven by internal vref to 2.5V. If not set, Vref pin
      will be floating.
    type: boolean

  adi,sdo-drive-strength:
    description: |
      Configure SDIO0 and SDIO1 strength levels:
        - 0: low SDO drive strength.
        - 1: medium low SDO drive strength.
        - 2: medium high SDO drive strength.
        - 3: high SDO drive strength
    $ref: /schemas/types.yaml#/definitions/uint32
    enum: [0, 1, 2, 3]

  io-backends:
    description: The iio backend reference.
      Device can be optionally connected to the "axi-ad3552r IP" fpga-based
      QSPI + DDR (Double Data Rate) controller to reach high speed transfers.
    maxItems: 1

  '#address-cells':
    const: 1

Annotation

Implementation Notes