|
@@ -0,0 +1,42 @@
|
|
|
+Texas Instruments PCM186x Universal Audio ADC
|
|
|
+
|
|
|
+These devices support both I2C and SPI (configured with pin strapping
|
|
|
+on the board).
|
|
|
+
|
|
|
+Required properties:
|
|
|
+
|
|
|
+ - compatible : "ti,pcm1862",
|
|
|
+ "ti,pcm1863",
|
|
|
+ "ti,pcm1864",
|
|
|
+ "ti,pcm1865"
|
|
|
+
|
|
|
+ - reg : The I2C address of the device for I2C, the chip select
|
|
|
+ number for SPI.
|
|
|
+
|
|
|
+ - avdd-supply: Analog core power supply (3.3v)
|
|
|
+ - dvdd-supply: Digital core power supply
|
|
|
+ - iovdd-supply: Digital IO power supply
|
|
|
+ See regulator/regulator.txt for more information
|
|
|
+
|
|
|
+CODEC input pins:
|
|
|
+ * VINL1
|
|
|
+ * VINR1
|
|
|
+ * VINL2
|
|
|
+ * VINR2
|
|
|
+ * VINL3
|
|
|
+ * VINR3
|
|
|
+ * VINL4
|
|
|
+ * VINR4
|
|
|
+
|
|
|
+The pins can be used in referring sound node's audio-routing property.
|
|
|
+
|
|
|
+Example:
|
|
|
+
|
|
|
+ pcm186x: audio-codec@4a {
|
|
|
+ compatible = "ti,pcm1865";
|
|
|
+ reg = <0x4a>;
|
|
|
+
|
|
|
+ avdd-supply = <®_3v3_analog>;
|
|
|
+ dvdd-supply = <®_3v3>;
|
|
|
+ iovdd-supply = <®_1v8>;
|
|
|
+ };
|