RT274 audio CODEC This device supports I2C only. Required properties: - compatible : "realtek,rt274". - reg : The I2C address of the device. Optional properties: - interrupts : The CODEC's interrupt output. Pins on the device (for linking into audio routes) for RT274: * DMIC1 Pin * DMIC2 Pin * MIC * LINE1 * LINE2 * HPO Pin * SPDIF * LINE3 Example: rt274: codec@1c { compatible = "realtek,rt274"; reg = <0x1c>; interrupts = <7 IRQ_TYPE_EDGE_FALLING>; };