ASoC: add bindings for ZTE zx-aud96p22 audio codec

It adds dt-bindings document for ZTE zx-aud96p22 audio codec.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt b/Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt
new file mode 100644 (file)
index 0000000..41bb104
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt
@@ -0,0 +1,24 @@
+ZTE ZX AUD96P22 Audio Codec
+
+Required properties:
+ - compatible: Must be "zte,zx-aud96p22"
+ - #sound-dai-cells: Should be 0
+ - reg: I2C bus slave address of AUD96P22
+
+Example:
+
+       i2c0: i2c@1486000 {
+               compatible = "zte,zx296718-i2c";
+               reg = <0x01486000 0x1000>;
+               interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               clocks = <&audiocrm AUDIO_I2C0_WCLK>;
+               clock-frequency = <1600000>;
+
+               aud96p22: codec@22 {
+                       compatible = "zte,zx-aud96p22";
+                       #sound-dai-cells = <0>;
+                       reg = <0x22>;
+               };
+       };