ASoC: dt-bindings: max98088: add external clock binding

Allow setting the clock provider for the external clock called "mclk".

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/sound/maxim,max98088.txt b/Documentation/devicetree/bindings/sound/maxim,max98088.txt
index a79ad5c7af881531e248bff6a3bca974d7e5337f..da764d91331903d4985c73bb1e28edb793004436 100644 (file)
--- a/Documentation/devicetree/bindings/sound/maxim,max98088.txt
+++ b/Documentation/devicetree/bindings/sound/maxim,max98088.txt
@@ -7,9 +7,17 @@ Required properties:
 - compatible: "maxim,max98088" or "maxim,max98089".
 - reg: The I2C address of the device.
 
+Optional properties:
+
+- clocks: the clock provider of MCLK, see ../clock/clock-bindings.txt section
+  "consumer" for more information.
+- clock-names: must be set to "mclk"
+
 Example:
 
 max98089: codec@10 {
        compatible = "maxim,max98089";
        reg = <0x10>;
+       clocks = <&clks IMX6QDL_CLK_CKO2>;
+       clock-names = "mclk";
 };