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DT: leds: Add uniqueness requirement for 'label' property.

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Label is used for naming LED class devices. Since ePAPR
doesn't require uniqueness for label properties, it has to be
explicitly required in the LEDs common bindings documentation.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: devicetree@vger.kernel.org
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Jacek Anaszewski 2015-03-26 07:03:09 -07:00 committed by Bryan Wu
parent 5e23a35cf8
commit 116b8e1641
1 changed files with 4 additions and 2 deletions
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6
Documentation/devicetree/bindings/leds/common.txt
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@ -14,8 +14,10 @@ Optional properties for child nodes:
- 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.
- label : The label for this LED. If omitted, the label is
taken from the node name (excluding the unit address).
- label : The label for this LED. If omitted, the label is taken from the node
name (excluding the unit address). It has to uniquely identify
a device, i.e. no other LED class device can be assigned the same
label.
- linux,default-trigger : This parameter, if present, is a
string defining the trigger assigned to the LED. Current triggers are: