[PATCH/RFC v4 20/20] DT: Add documentation for the Skyworks AAT1290
From: Jacek Anaszewski <hidden>
Date: 2014-07-09 16:03:44
Subsystem:
led subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Pavel Machek, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch adds device tree binding documentation for 1.5A Step-Up Current Regulator for Flash LEDs. Signed-off-by: Andrzej Hajda <redacted> Acked-by: Kyungmin Park <redacted> Cc: Rob Herring <redacted> Cc: Pawel Moll <redacted> Cc: Mark Rutland <redacted> Cc: Ian Campbell <redacted> Cc: Kumar Gala <redacted> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- .../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 majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html