55 lines
1.5 KiB
YAML
55 lines
1.5 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/adc/adc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Generic IIO bindings for ADC channels
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maintainers:
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- Jonathan Cameron <jic23@kernel.org>
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description:
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A few properties are defined in a common way ADC channels.
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properties:
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$nodename:
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pattern: "^channel(@[0-9a-f]+)?$"
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description:
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A channel index should match reg.
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reg:
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maxItems: 1
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label:
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$ref: /schemas/types.yaml#/definitions/string
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description: Unique name to identify which channel this is.
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bipolar:
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$ref: /schemas/types.yaml#/definitions/flag
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description: If provided, the channel is to be used in bipolar mode.
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diff-channels:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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maxItems: 2
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minItems: 2
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description:
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Many ADCs have dual Muxes to allow different input pins to be routed
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to both the positive and negative inputs of a differential ADC.
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The first value specifies the positive input pin, the second
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specifies the negative input pin.
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settling-time-us:
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description:
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Time between enabling the channel and first stable readings.
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oversampling-ratio:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Oversampling is used as replacement of or addition to the low-pass filter.
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In some cases, the desired filtering characteristics are a function the
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device design and can interact with other characteristics such as
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settling time.
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additionalProperties: true
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