This patch adds device tree binding documentation for 1.5A Step-Up Current Regulator for Flash LEDs.
Signed-off-by: Andrzej Hajda <[email protected]> Acked-by: Kyungmin Park <[email protected]> Cc: Rob Herring <[email protected]> Cc: Pawel Moll <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Ian Campbell <[email protected]> Cc: Kumar Gala <[email protected]> Cc: [email protected] --- .../devicetree/bindings/leds/leds-aat1290.txt | 22 ++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-aat1290.txt diff --git a/Documentation/devicetree/bindings/leds/leds-aat1290.txt b/Documentation/devicetree/bindings/leds/leds-aat1290.txt new file mode 100644 index 0000000..05acb01 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-aat1290.txt @@ -0,0 +1,22 @@ +* Skyworks Solutions, Inc. AAT1290 Current Regulator for Flash LEDs + +Required properties: + +- compatible : should be "skyworks,aat1290" +- gpios: three gpio pins - the first two control FLEN and EN/SET device pins + and the third one is used for switching the state of a third-party + multiplexer used for re-routing the FLEN and EN/SET pins to the + signals outgoing from a camera sensor device. +- skyworks,flash-timeout - maximum flash timeout - it can be calculated + using following formula: T = 8.82s/uF * Ct +- skyworks,flash-iout - maximum flash current - it can be calculated + using following formula: I = 1A * 162 kohm / Rset + +Example: + +flash_led: flash-led { + compatible = "skyworks,aat1290"; + gpios = <&gpj1 1 0>, <&gpj1 2 0>, <&gpj1 0 0>; + skyworks,flash-timeout = <1940>; + skyworks,flash-iout = <1000>; +} -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
