linux-kernel - [PATCH/RFC v9 10/19] DT: Add documentation for the Skyworks AAT1290

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Message-id: <1417622814-10845-11-git-send-email-j.anaszewski@samsung.com>
Date:	Wed, 03 Dec 2014 17:06:45 +0100
From:	Jacek Anaszewski <j.anaszewski@...sung.com>
To:	linux-leds@...r.kernel.org, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	kyungmin.park@...sung.com, b.zolnierkie@...sung.com, pavel@....cz,
	cooloney@...il.com, rpurdie@...ys.net, sakari.ailus@....fi,
	s.nawrocki@...sung.com, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, Jacek Anaszewski <j.anaszewski@...sung.com>,
	devicetree@...r.kernel.org
Subject: [PATCH/RFC v9 10/19] DT: Add documentation for the Skyworks AAT1290

This patch adds device tree binding documentation for
1.5A Step-Up Current Regulator for Flash LEDs.

Signed-off-by: Jacek Anaszewski <j.anaszewski@...sung.com>
Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
Cc: Bryan Wu <cooloney@...il.com>
Cc: Richard Purdie <rpurdie@...ys.net>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Pawel Moll <pawel.moll@....com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
Cc: Kumar Gala <galak@...eaurora.org>
Cc: <devicetree@...r.kernel.org>
---
 .../devicetree/bindings/leds/leds-aat1290.txt      |   17 +++++++++++++++++
 1 file changed, 17 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..17b8f05
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-aat1290.txt
@@ -0,0 +1,17 @@
+* Skyworks Solutions, Inc. AAT1290 Current Regulator for Flash LEDs
+
+Required properties:
+
+- compatible : Must be "skyworks,aat1290".
+- gpios : Two gpio pins in order FLEN, EN/SET.
+- flash-timeout-microsec : Maximum flash timeout in microseconds -
+			   it can be calculated using following formula:
+			   T = 8.82 * 10^9 * Ct.
+
+Example:
+
+flash_led: led {
+	compatible = "skyworks,aat1290";
+	gpios = <&gpj1 1 0>, <&gpj1 2 0>;
+	flash-timeout-microsec = <1940000>;
+}
-- 
1.7.9.5

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