Add small documentation for gtm601 UMTS modem audio interface.
Signed-off-by: Marek Belisko <marek@xxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/sound/gtm601.txt | 14 ++++++++++++++
1 file changed, 14 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/gtm601.txt
diff --git a/Documentation/devicetree/bindings/sound/gtm601.txt b/Documentation/devicetree/bindings/sound/gtm601.txt
new file mode 100644
index 0000000..2d2dbfc
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/gtm601.txt
@@ -0,0 +1,14 @@
+GTM601 UMTS modem audio interface CODEC
+
+This device has no configuration interface. Sample rate is fixed - 8kHz.
+
+Required properties:
+
+ - compatible : "option,gtm601"
+
+Example:
+
+codec: gtm601_codec {
+ compatible = "option,gtm601";
+};
--
1.9.1
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