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| -rw-r--r-- | Documentation/devicetree/bindings/iio/adc/adc.yaml | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml new file mode 100644 index 000000000..db348fcbb --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic IIO bindings for ADC channels + +maintainers: + - Jonathan Cameron <jic23@kernel.org> + +description: + A few properties are defined in a common way ADC channels. + +properties: + $nodename: + pattern: "^channel(@[0-9a-f]+)?$" + description: + A channel index should match reg. + + reg: + maxItems: 1 + + label: + $ref: /schemas/types.yaml#/definitions/string + description: Unique name to identify which channel this is. + + bipolar: + $ref: /schemas/types.yaml#/definitions/flag + description: If provided, the channel is to be used in bipolar mode. + + diff-channels: + $ref: /schemas/types.yaml#/definitions/uint32-array + maxItems: 2 + minItems: 2 + description: + Many ADCs have dual Muxes to allow different input pins to be routed + to both the positive and negative inputs of a differential ADC. + The first value specifies the positive input pin, the second + specifies the negative input pin. + + settling-time-us: + description: + Time between enabling the channel and first stable readings. + + oversampling-ratio: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Oversampling is used as replacement of or addition to the low-pass filter. + In some cases, the desired filtering characteristics are a function the + device design and can interact with other characteristics such as + settling time. + +additionalProperties: true |