ASoC: tlv320aic3x: Add device tree bindings

Device tree support for tlv320aic3x CODEC driver.

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/tlv320aic3x.txt b/Documentation/devicetree/bindings/sound/tlv320aic3x.txt
new file mode 100644
index 00000000000..e7b98f41fa5
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/tlv320aic3x.txt
@@ -0,0 +1,20 @@
+Texas Instruments - tlv320aic3x Codec module
+
+The tlv320aic3x serial control bus communicates through I2C protocols
+
+Required properties:
+- compatible - "string" -  "ti,tlv320aic3x"
+- reg - <int> -  I2C slave address
+
+
+Optional properties:
+
+- gpio-reset - gpio pin number used for codec reset
+- ai3x-gpio-func - <array of 2 int> - AIC3X_GPIO1 & AIC3X_GPIO2 Functionality
+
+Example:
+
+tlv320aic3x: tlv320aic3x@1b {
+        compatible = "ti,tlv320aic3x";
+        reg = <0x1b>;
+};