Documentation/devicetree/bindings/iio/adc/rohm,bd79112.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/iio/adc/rohm,bd79112.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/iio/adc/rohm,bd79112.yaml
Extension
.yaml
Size
1965 bytes
Lines
105
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

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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/adc/rohm,bd79112.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ROHM BD79112 ADC/GPO

maintainers:
  - Matti Vaittinen <mazziesaccount@gmail.com>

description: |
  The ROHM BD79112 is a 12-bit, 32-channel, SAR ADC. ADC input pins can be
  also configured as general purpose inputs/outputs. SPI should use MODE 3.

properties:
  compatible:
    const: rohm,bd79112

  reg:
    maxItems: 1

  spi-cpha: true
  spi-cpol: true

  gpio-controller: true
  "#gpio-cells":
    const: 2

  vdd-supply: true

  iovdd-supply: true

  "#address-cells":
    const: 1

  "#size-cells":
    const: 0

patternProperties:
  "^channel@([0-9]|[12][0-9]|3[01])$":
    type: object
    $ref: /schemas/iio/adc/adc.yaml#
    description: Represents ADC channel. Omitted channels' inputs are GPIOs.

    properties:
      reg:
        description: AIN pin number
        minimum: 0
        maximum: 31

    required:
      - reg

    additionalProperties: false

required:
  - compatible
  - reg
  - iovdd-supply
  - vdd-supply
  - spi-cpha
  - spi-cpol

additionalProperties: false

examples:
  - |
    spi {
        #address-cells = <1>;

Annotation

Implementation Notes