[PATCH v2 1/2] dt-binding: iio: Add optional label property

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This optional property defines a symbolic name for the device.
This helps to distinguish between more than one iio device
of the same type.

Suggested-by: Michal Simek <michal.simek@xxxxxxxxxx>
Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/iio/iio-bindings.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/iio-bindings.txt b/Documentation/devicetree/bindings/iio/iio-bindings.txt
index 68d6f8ce063b..af33267727f4 100644
--- a/Documentation/devicetree/bindings/iio/iio-bindings.txt
+++ b/Documentation/devicetree/bindings/iio/iio-bindings.txt
@@ -18,12 +18,17 @@ Required properties:
 		   with a single IIO output and 1 for nodes with multiple
 		   IIO outputs.
 
+Optional properties:
+label:		   A symbolic name for the device.
+
+
 Example for a simple configuration with no trigger:
 
 	adc: voltage-sensor@35 {
 		compatible = "maxim,max1139";
 		reg = <0x35>;
 		#io-channel-cells = <1>;
+		label = "voltage_feedback_group1";
 	};
 
 Example for a configuration with trigger:
-- 
1.8.3.1




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