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Diffstat (limited to 'Documentation/devicetree/bindings/leds/common.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/leds/common.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt index aa1399814a2a..70876ac11367 100644 --- a/Documentation/devicetree/bindings/leds/common.txt +++ b/Documentation/devicetree/bindings/leds/common.txt @@ -37,6 +37,18 @@ Optional properties for child nodes: "ide-disk" - LED indicates IDE disk activity (deprecated), in new implementations use "disk-activity" "timer" - LED flashes at a fixed, configurable rate + "pattern" - LED alters the brightness for the specified duration with one + software timer (requires "led-pattern" property) + +- led-pattern : Array of integers with default pattern for certain triggers. + Each trigger may parse this property differently: + - one-shot : two numbers specifying delay on and delay off (in ms), + - timer : two numbers specifying delay on and delay off (in ms), + - pattern : the pattern is given by a series of tuples, of + brightness and duration (in ms). The exact format is + described in: + Documentation/devicetree/bindings/leds/leds-trigger-pattern.txt + - led-max-microamp : Maximum LED supply current in microamperes. This property can be made mandatory for the board configurations |