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+RT274 audio CODEC
+
+This device supports I2C only.
+
+Required properties:
+
+- compatible : "realtek,rt274".
+
+- reg : The I2C address of the device.
+
+Optional properties:
+
+- interrupts : The CODEC's interrupt output.
+
+
+Pins on the device (for linking into audio routes) for RT274:
+
+ * DMIC1 Pin
+ * DMIC2 Pin
+ * MIC
+ * LINE1
+ * LINE2
+ * HPO Pin
+ * SPDIF
+ * LINE3
+
+Example:
+
+codec: rt274@1c {
+ compatible = "realtek,rt274";
+ reg = <0x1c>;
+ interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+};