diff options
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>; -} +}; |