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RT5663/RT5668 audio CODEC

This device supports I2C only.

Required properties:

- compatible : One of "realtek,rt5663" or "realtek,rt5668".

- reg : The I2C address of the device.

- interrupts : The CODEC's interrupt output.

Optional properties:

Pins on the device (for linking into audio routes) for RT5663/RT5668:

  * IN1P
  * IN1N
  * IN2P
  * IN2N
  * HPOL
  * HPOR

Example:

codec: rt5663@12 {
	compatible = "realtek,rt5663";
	reg = <0x12>;
	interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
};