From 4552d2ee3ccb50e2926c53f58c3d7c4c3df9568c Mon Sep 17 00:00:00 2001 From: Jacek Anaszewski Date: Tue, 27 Jan 2015 00:07:08 -0800 Subject: [PATCH] DT: leds: Add led-sources property Add a property for defining device outputs the LED represented by the DT child node is connected to. Signed-off-by: Jacek Anaszewski Acked-by: Kyungmin Park Cc: Bryan Wu Cc: Richard Purdie Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala Cc: devicetree@vger.kernel.org Acked-by: Pavel Machek Acked-by: Rob Herring Signed-off-by: Bryan Wu --- .../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 a2c3f7abe718..34811c57db69 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>; -} +}; -- 2.39.5