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authorSimon Glass <sjg@chromium.org>2019-04-23 21:56:23 -0600
committerTom Warren <twarren@nvidia.com>2019-08-09 10:01:33 -0700
commite070311ce8073a4ca3a2cdf634da36963a9803cd (patch)
tree8ed41ff1af6a2ac9892280e0790ecf80c9dae8dd
parent163bc1e4da425015000dd3f8f128aec994da9586 (diff)
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sound: snow: Add the binding file for snow
This file was missed when adding the sound driver to U-Boot. Bring it in from Linux 5.0. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
-rw-r--r--doc/device-tree-bindings/sound/snow.txt31
1 files changed, 31 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/sound/snow.txt b/doc/device-tree-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>;
+};