[PATCH 4/6] ASoC: Snow Chromebook DT bindings update

[Sylwester Nawrocki <s.nawrocki@samsung.com>]

The new DT bindings are introduced so sound on the HDMI interface
is also supported.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
---
 Documentation/devicetree/bindings/sound/snow.txt | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/snow.txt b/Documentation/devicetree/bindings/sound/snow.txt
index 6df74f15687f..80fd9a87bb3f 100644
--- a/Documentation/devicetree/bindings/sound/snow.txt
+++ b/Documentation/devicetree/bindings/sound/snow.txt
@@ -5,8 +5,17 @@ Required properties:
 			"google,snow-audio-max98090" or
 			"google,snow-audio-max98091" or
 			"google,snow-audio-max98095"
-- samsung,i2s-controller: The phandle of the Samsung I2S controller
-- samsung,audio-codec: The phandle of the audio codec
+- samsung,i2s-controller (deprecated): The phandle of the Samsung I2S controller
+- samsung,audio-codec (deprecated): The phandle of the audio codec
+
+Required sub-nodes:
+
+ - 'cpu' subnode with a 'sound-dai' property containing the phandle of the I2S
+    controller
+ - 'codec' subnode with a 'sound-dai' property containing list of phandles
+    to the CODEC nodes, first entry must be the phandle of the MAX98090,
+    MAX98091 or MAX98095 CODEC (exact device type is indicated by the compatible
+    string) and the second entry must be the phandle of the HDMI IP block node
 
 Optional:
 - samsung,model: The name of the sound-card
-- 
2.14.2