[PATCH v2 09/13] staging: iio: ad2s1200: Add documentation for device tree binding

[David Veenstra <davidjulianveenstra@gmail.com>]

Add documentation for the added device tree bindings.

Signed-off-by: David Veenstra <davidjulianveenstra@gmail.com>
---
Changes in v2:
  - Introduced in this version.

 .../bindings/staging/iio/resolver/ad2s1200.txt           | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/staging/iio/resolver/ad2s1200.txt

diff --git a/Documentation/devicetree/bindings/staging/iio/resolver/ad2s1200.txt b/Documentation/devicetree/bindings/staging/iio/resolver/ad2s1200.txt
new file mode 100644
index 000000000000..85c009987878
--- /dev/null
+++ b/Documentation/devicetree/bindings/staging/iio/resolver/ad2s1200.txt
@@ -0,0 +1,16 @@
+Analog Devices AD2S1200 Resolver-to-Digital Converter
+
+Required properties:
+ - compatible : should be "adi,ad2s1200"
+ - reg : the SPI chip select number of the device
+ - sample-gpios : The GPIO pin connected to the SAMPLE line of the AD2S1200
+ - rdvel-gpios : The GPIO pin connected to the RDVEL line of the AD2S1200
+
+Example:
+
+	resolver {
+		compatible = "adi,ad2s1200";
+		reg = <4>;
+		sample-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+		rdvel-gpios = <&gpio 6 GPIO_ACTIVE_HIGH>;
+	};
-- 
2.16.2