dt-binding: soc: qcom: smd: Add label property

The label property can be used to specify a name of the edge, for
consistent naming purposes.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt
index 97d9b3e1bf39..ea1dc75ec9ea 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd.txt
@@ -43,6 +43,13 @@ The edge is described by the following properties:
         Definition: the identifier for the remote processor as known by the rest
                     of the system.
 
+- label:
+        Usage: optional
+        Value type: <string>
+        Definition: name of the edge, used for debugging and identification
+                    purposes. The node name will be used if this is not
+                    present.
+
 = SMD DEVICES
 
 In turn, subnodes of the "edges" represent devices tied to SMD channels on that