Document the "label" property, which can contain a descriptive label
that allows to uniquely identify a device within the system.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---

Notes:
    v2: - Reword description and commit message
        - Use > instead of | for proper multiline handling

 Documentation/devicetree/bindings/iio/common.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/common.yaml b/Documentation/devicetree/bindings/iio/common.yaml
index f845b41d74c4..49f9f62dbb3e 100644
--- a/Documentation/devicetree/bindings/iio/common.yaml
+++ b/Documentation/devicetree/bindings/iio/common.yaml

@@ -32,6 +32,12 @@ properties:
       considered 'near' to the device (an object is near to the
       sensor).
 
+  label:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: >
+      Optional descriptive label that allows to uniquely identify a device
+      within the system.
+
 additionalProperties: true
 
 ...

-- 
2.34.1