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authorCristian Pop <cristian.pop@analog.com>2020-09-28 12:09:59 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-11-08 16:07:40 +0000
commit7f79711533a96b02e1e24e2e36a29b08734e36e2 (patch)
treedb3f9b3e7bc58a7356debcf4b160f658900f0789
parent7d4156ddf1b838b100a037d02d4bf15ccb3ccd26 (diff)
dt-bindings:iio:adc:adc.txt: Add documentation for channel label attribute
Optional attribute for better identification of the channels. Signed-off-by: Cristian Pop <cristian.pop@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200928090959.88842-5-cristian.pop@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--Documentation/devicetree/bindings/iio/adc/adc.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/adc.txt b/Documentation/devicetree/bindings/iio/adc/adc.txt
index 5bbaa330a250..4b37575bbddc 100644
--- a/Documentation/devicetree/bindings/iio/adc/adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/adc.txt
@@ -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>;
...
};