linux/Documentation/devicetree/bindings/sound/wm8741.txt
Sergej Sawazki c354b54cfd ASoC: wm8741: Add differential mono mode support
The WM8741 DAC supports several differential output modes (stereo,
stereo reversed, mono left, mono right). Add platform data and DT
bindings to configure it.

Signed-off-by: Sergej Sawazki <ce3a@gmx.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-13 15:51:36 +01:00

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WM8741 audio CODEC
This device supports both I2C and SPI (configured with pin strapping
on the board).
Required properties:
- compatible : "wlf,wm8741"
- reg : the I2C address of the device for I2C, the chip select
number for SPI.
Optional properties:
- diff-mode: Differential output mode configuration. Default value for field
DIFF in register R8 (MODE_CONTROL_2). If absent, the default is 0, shall be:
0 = stereo
1 = mono left
2 = stereo reversed
3 = mono right
Example:
codec: wm8741@1a {
compatible = "wlf,wm8741";
reg = <0x1a>;
diff-mode = <3>;
};