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| author |   Jacek Anaszewski <j.anaszewski@samsung.com> | 2015-01-27 00:07:08 -0800 |
|---|---|---|
| committer |   Bryan Wu <cooloney@gmail.com> | 2015-01-29 14:53:07 -0800 |
| commit | 4552d2ee3ccb50e2926c53f58c3d7c4c3df9568c (patch) | |
| tree | 628245c92eeb9de072d6cf157c6f294228d7a01b /Documentation/devicetree/bindings/leds | |
| parent | leds: Add LED Flash class extension to the LED subsystem (diff) | |
| download | linux-dev-4552d2ee3ccb50e2926c53f58c3d7c4c3df9568c.tar.xz linux-dev-4552d2ee3ccb50e2926c53f58c3d7c4c3df9568c.zip | |
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 <j.anaszewski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Bryan Wu <cooloney@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/leds')
| -rw-r--r-- | Documentation/devicetree/bindings/leds/common.txt | 16 |
1 files changed, 15 insertions, 1 deletions
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>; -} +}; |