Documentation/devicetree/bindings/iio/dac/adi,ltc2688.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/iio/dac/adi,ltc2688.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/iio/dac/adi,ltc2688.yaml
Extension
.yaml
Size
3735 bytes
Lines
148
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/iio/dac/adi,ltc2688.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Analog Devices LTC2688 DAC

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

description: |
  Analog Devices LTC2688 16 channel, 16 bit, +-15V DAC
  https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2688.pdf

properties:
  compatible:
    enum:
      - adi,ltc2688

  reg:
    maxItems: 1

  vcc-supply:
    description: Analog Supply Voltage Input.

  iovcc-supply:
    description: Digital Input/Output Supply Voltage.

  vref-supply:
    description:
      Reference Input/Output. The voltage at the REF pin sets the full-scale
      range of all channels. If not provided the internal reference is used and
      also provided on the VREF pin".

  clr-gpios:
    description:
      If specified, it will be asserted during driver probe. As the line is
      active low, it should be marked GPIO_ACTIVE_LOW.
    maxItems: 1

  '#address-cells':
    const: 1

  '#size-cells':
    const: 0

patternProperties:
  "^channel@([0-9]|1[0-5])$":
    type: object
    additionalProperties: false

    properties:
      reg:
        description: The channel number representing the DAC output channel.
        maximum: 15

      adi,toggle-mode:
        description:
          Set the channel as a toggle enabled channel. Toggle operation enables
          fast switching of a DAC output between two different DAC codes without
          any SPI transaction.
        type: boolean

      adi,output-range-microvolt:
        description: Specify the channel output full scale range.
        oneOf:
          - items:
              - const: 0
              - enum: [5000000, 10000000]

Annotation

Implementation Notes