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mfd: Add basic device tree binding for wm8994

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Add a placeholder device tree binding for the wm8994 driver. At present
the binding is essentially null as none of the platform data is supported,
and at least some of that will depend on the pending regulator bindings.

Signed-off-by: Mark Brown <[email protected]>
Acked-by: Samuel Ortiz <[email protected]>
This commit is contained in:
Mark Brown 2011-11-22 18:22:29 +00:00
commit cf763c2e60
2 changed files with 27 additions and 0 deletions
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18
Documentation/devicetree/bindings/sound/wm8994.txt Normal file
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WM1811/WM8994/WM8958 audio CODEC
These devices support both I2C and SPI (configured with pin strapping
on the board).
Required properties:
- compatible : "wlf,wm1811", "wlf,wm8994", "wlf,wm8958"
- reg : the I2C address of the device for I2C, the chip select
number for SPI.
Example:
codec: wm8994@1a {
compatible = "wlf,wm8994";
reg = <0x1a>;
};