[PATCH] dt-bindings: gpio: modepin: Describe label property

[Michal Simek <michal.simek@xxxxxxx>]

Describe optional label property which can be used for better gpio
identification.

Signed-off-by: Michal Simek <michal.simek@xxxxxxx>
---

 .../devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml b/Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml
index 56143f1fe84a..b1fd632718d4 100644
--- a/Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml
+++ b/Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml
@@ -23,6 +23,8 @@ properties:
   "#gpio-cells":
     const: 2
 
+  label: true
+
 required:
   - compatible
   - gpio-controller
@@ -37,6 +39,7 @@ examples:
             compatible = "xlnx,zynqmp-gpio-modepin";
             gpio-controller;
             #gpio-cells = <2>;
+            label = "modepin";
         };
     };
 
-- 
2.36.1