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AK4104 S/PDIF transmitter

This device supports SPI mode only.

Required properties:

  - compatible : "asahi-kasei,ak4104"

  - reg : The chip select number on the SPI bus

  - vdd-supply : A regulator node, providing 2.7V - 3.6V

Optional properties:

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

Example:

spdif: ak4104@0 {
	compatible = "asahi-kasei,ak4104";
	reg = <0>;
	spi-max-frequency = <5000000>;
	vdd-supply = <&vdd_3v3_reg>;
};