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>; };