ASoC: Add device tree binding for WM8741
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/Documentation/devicetree/bindings/sound/wm8741.txt b/Documentation/devicetree/bindings/sound/wm8741.txt
new file mode 100644
index 0000000..74bda58
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wm8741.txt
@@ -0,0 +1,18 @@
+WM8741 audio CODEC
+
+This device supports both I2C and SPI (configured with pin strapping
+on the board).
+
+Required properties:
+
+ - compatible : "wlf,wm8741"
+
+ - reg : the I2C address of the device for I2C, the chip select
+ number for SPI.
+
+Example:
+
+codec: wm8741@1a {
+ compatible = "wlf,wm8741";
+ reg = <0x1a>;
+};