Add a property for defining device outputs the LED
represented by the DT child node is connected to.
Signed-off-by: Jacek Anaszewski <j.anaszew...@samsung.com>
Acked-by: Kyungmin Park <kyungmin.p...@samsung.com>
Cc: Bryan Wu <coolo...@gmail.com>
Cc: Richard Purdie <rpur...@rpsys.net>
Cc: Rob Herring <robh...@kernel.org>
Cc: Pawel Moll <pawel.m...@arm.com>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: Ian Campbell <ijc+devicet...@hellion.org.uk>
Cc: Kumar Gala <ga...@codeaurora.org>
Cc: devicetree@vger.kernel.org
---
Documentation/devicetree/bindings/leds/common.txt | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/leds/common.txt
b/Documentation/devicetree/bindings/leds/common.txt
index a2c3f7a..34811c5 100644
--- a/Documentation/devicetree/bindings/leds/common.txt
+++ b/Documentation/devicetree/bindings/leds/common.txt
@@ -1,6 +1,19 @@
Common leds properties.
+LED and flash LED devices provide the same basic functionality as current
+regulators, but extended with LED and flash LED specific features like
+blinking patterns, flash timeout, flash faults and external flash strobe mode.
+
+Many LED devices expose more than one current output that can be connected
+to one or more discrete LED component. Since the arrangement of connections
+can influence the way of the LED device initialization, the LED components
+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:
+- 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).
@@ -33,7 +46,8 @@ system-status {
camera-flash {
label = "Flash";
+ led-sources = <0>, <1>;
max-microamp = <50000>;
flash-max-microamp = <320000>;
flash-timeout-us = <500000>;
-}
+};
--
1.7.9.5
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