Add documentation for ad5820 device tree binding.
Signed-off-by: Pavel Machek <pavel@xxxxxxx>
diff --git a/Documentation/devicetree/bindings/media/i2c/ad5820.txt b/Documentation/devicetree/bindings/media/i2c/ad5820.txt
new file mode 100644
index 0000000..fb70ca5
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ad5820.txt
@@ -0,0 +1,19 @@
+* Analog Devices AD5820 autofocus coil
+
+Required Properties:
+
+ - compatible: Must contain "adi,ad5820"
+
+ - reg: I2C slave address
+
+ - VANA-supply: supply of voltage for VANA pin
+
+Example:
+
+ ad5820: coil@0c {
+ compatible = "adi,ad5820";
+ reg = <0x0c>;
+
+ VANA-supply = <&vaux4>;
+ };
+
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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