ASoC: rk3036: Add binding doc of inno-rk3036 codec driver

This patch add the binding document of inno-rk3036
audio codec driver.

Signed-off-by: ZhengShunQian <zhengsq@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/sound/inno-rk3036.txt b/Documentation/devicetree/bindings/sound/inno-rk3036.txt
new file mode 100644 (file)
index 0000000..758de8e
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/inno-rk3036.txt
@@ -0,0 +1,20 @@
+Inno audio codec for RK3036
+
+Inno audio codec is integrated inside RK3036 SoC.
+
+Required properties:
+- compatible : Should be "rockchip,rk3036-codec".
+- reg : The registers of codec.
+- clock-names : Should be "acodec_pclk".
+- clocks : The clock of codec.
+- rockchip,grf : The phandle of grf device node.
+
+Example:
+
+       acodec: acodec-ana@20030000 {
+               compatible = "rk3036-codec";
+               reg = <0x20030000 0x4000>;
+               rockchip,grf = <&grf>;
+               clock-names = "acodec_pclk";
+               clocks = <&cru ACLK_VCODEC>;
+       };