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dt-bindings: iio: io-channel-mux: Add property for settle time

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Hardware may require some time for the muxed analog signals to settle
after the muxing is changed.  Allow this time to be specified in the
devicetree.

Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Peter Rosin <peda@axentia.se>
Link: https://lore.kernel.org/r/20211007134641.13417-3-vincent.whitchurch@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Vincent Whitchurch 2021-10-07 15:46:40 +02:00 committed by Jonathan Cameron
parent 17b5b576ff
commit b9221f71c2
1 changed files with 5 additions and 0 deletions
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5
Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml
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@ -39,6 +39,11 @@ properties:
description:
List of strings, labeling the mux controller states.
settle-time-us:
default: 0
description:
Time required for analog signals to settle after muxing.
required:
- compatible
- io-channels