Commit 7f797115 authored by Cristian Pop's avatar Cristian Pop Committed by Jonathan Cameron
Browse files

dt-bindings:iio:adc:adc.txt: Add documentation for channel label attribute 



Optional attribute for better identification of the channels.

Signed-off-by: default avatarCristian Pop <cristian.pop@analog.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200928090959.88842-5-cristian.pop@analog.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 7d4156dd

Documentation/devicetree/bindings/iio/adc/adc.txt

+6 −0
Original line number Diff line number Diff line
@@ -5,18 +5,24 @@ Optional properties for child nodes: 
- diff-channels : Differential channels muxed for this ADC. The first value

		specifies the positive input pin, the second value the negative

		input pin.

- reg: The channel number.

- label: Unique name to identify which channel this is.



Example:

	adc@0 {

		compatible = "some,adc";

		...

		channel@0 {

			reg = <0>;

			label = "channel_0_name";

			bipolar;

			diff-channels = <0 1>;

			...

		};



		channel@1 {

			reg = <1>;

			label = "channel_1_name";

			diff-channels = <2 3>;

			...

		};