Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/snow.txt b/Documentation/devicetree/bindings/sound/snow.txt
new file mode 100644
index 000000000..80fd9a87b
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+++ b/Documentation/devicetree/bindings/sound/snow.txt
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+Audio Binding for Snow boards
+
+Required properties:
+- compatible : Can be one of the following,
+			"google,snow-audio-max98090" or
+			"google,snow-audio-max98091" or
+			"google,snow-audio-max98095"
+- 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
+
+Example:
+
+sound {
+		compatible = "google,snow-audio-max98095";
+
+		samsung,model = "Snow-I2S-MAX98095";
+		samsung,i2s-controller = <&i2s0>;
+		samsung,audio-codec = <&max98095>;
+};