TFA9897 SmartpA

Required properties:

  - compatible : "nxp,tfa98xx"

  - reg : I2C address of the device

  - dvdd-supply : Power supply for PA's dvdd

  - dvdd-voltage : Minimum and maximum voltage in uV to set for power supply

  - dvdd-current : dvdd's max current in uA

Examples:

	i2c_smartpa@34 {
		compatible = "nxp,tfa98xx";
		reg = <0x34>;
		reset-gpio = <&tlmm 68 0>;
		dvdd-supply = <&pm660_l9>;
		dvdd-voltage = <1800000 1800000>;
		dvdd-current = <15000>;
	};
