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CS4270 audio CODEC

The driver for this device currently only supports I2C.

Required properties:

  - compatible : "cirrus,cs4270"

  - reg : the I2C address of the device for I2C

Optional properties:

  - reset-gpio : a GPIO spec for the reset pin. If specified, it will be
		 deasserted before communication to the codec starts.

Example:

codec: cs4270@48 {
	compatible = "cirrus,cs4270";
	reg = <0x48>;
};