dt: wm8904: add device tree binding document

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Bo Shen 2014-06-09 11:31:45 +08:00 committed by Mark Brown
parent 8b9920e3f4
commit 8bfcab7c6b

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WM8904 audio CODEC
This device supports I2C only.
Required properties:
- compatible: "wlf,wm8904"
- reg: the I2C address of the device.
- clock-names: "mclk"
- clocks: reference to
<Documentation/devicetree/bindings/clock/clock-bindings.txt>
Pins on the device (for linking into audio routes):
* IN1L
* IN1R
* IN2L
* IN2R
* IN3L
* IN3R
* HPOUTL
* HPOUTR
* LINEOUTL
* LINEOUTR
* MICBIAS
Examples:
codec: wm8904@1a {
compatible = "wlf,wm8904";
reg = <0x1a>;
clocks = <&pck0>;
clock-names = "mclk";
};