Commit f7e196fc authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Jonathan Cameron
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dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties 



Settling time and over sampling is a typical challenge for different IIO ADC
devices. So, introduce channel specific settling-time-us and oversampling-ratio
properties to cover this use case.

Signed-off-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210428073208.19570-2-o.rempel@pengutronix.de


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent caf0fb3b

Documentation/devicetree/bindings/iio/adc/adc.yaml

+12 −0
Original line number Diff line number Diff line
@@ -39,4 +39,16 @@ properties: 
      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