[PATCH 2/4] devicetree: Update led binding

[Jean-Jacques Hiblot]

Update the led binding to describe the possibility to add a "compatible"
option to create a child-device, user of the LED.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@xxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
---
 Documentation/devicetree/bindings/leds/common.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
index 70876ac11367..2f7882528d97 100644
--- a/Documentation/devicetree/bindings/leds/common.txt
+++ b/Documentation/devicetree/bindings/leds/common.txt
@@ -11,6 +11,9 @@ have to be tightly coupled with the LED device binding. They are represented
 by child nodes of the parent LED device binding.
 
 Optional properties for child nodes:
+- compatible : driver name for a child-device. This child-device is the user
+               of the LED. It is created when the LED is registered and
+	       destroyed when the LED is unregistered.
 - led-sources : List of device current outputs the LED is connected to. The
 		outputs are identified by the numbers that must be defined
 		in the LED device binding documentation.
-- 
2.17.1