Texas Instruments TAS6424 Quad-Channel Audio amplifier The TAS6424 serial control bus communicates through I2C protocols. Required properties: - compatible: "ti,tas6424" - TAS6424 - reg: I2C slave address - sound-dai-cells: must be equal to 0 - standby-gpios: GPIO used to shut the TAS6424 down. - mute-gpios: GPIO used to mute all the outputs Example: tas6424: tas6424@6a { compatible = "ti,tas6424"; reg = <0x6a>; #sound-dai-cells = <0>; }; For more product information please see the link below: http://www.ti.com/product/TAS6424-Q1