Binding for TI/National Semiconductor LP8752 Driver

Required properties:
  - compatible: "ti,lp8752"
  - reg: I2C slave address. 0x60 = LP8752

Optional properties:
  Sub nodes for regulator_init_data
    LP8752 has maximum 4 nodes. (child name: buck0 ~ 3)
    For more details, please see the following binding document.
    (Documentation/devicetree/bindings/regulator/regulator.txt)

Datasheet
  - LP8752: http://www.ti.com/lit/ds/symlink/lp8752.pdf

Example 1) LP8752

lp8752: lp8752@60 {
	compatible = "ti,lp8752";
	status = "disabled";
	reg = <0x60>;

	vin0-supply = <&vcc5v0_sys>;
	vin1-supply = <&vcc5v0_sys>;
	/.............../

	regulators {
		lp8752_buck0: lp8752_buck0 {
			regulator-name = "lp8752_buck0";
			regulator-min-microvolt = <735000>;
			regulator-max-microvolt = <1400000>;
			regulator-always-on;
			regulator-boot-on;
		};
		lp8752_buck1: lp8752_buck1 {
			regulator-name = "lp8752_buck1";
			regulator-min-microvolt = <735000>;
			regulator-max-microvolt = <1400000>;
			regulator-always-on;
			regulator-boot-on;
		};
		/....../
	};
};