* Renesas R-Car Thermal

Required properties:
- compatible		: "renesas,thermal-<soctype>",
			   "renesas,rcar-gen2-thermal" (with thermal-zone) or
			   "renesas,rcar-thermal" (without thermal-zone) as fallback.
			  Examples with soctypes are:
			    - "renesas,thermal-r8a73a4" (R-Mobile APE6)
			    - "renesas,thermal-r8a7779" (R-Car H1)
			    - "renesas,thermal-r8a7790" (R-Car H2)
			    - "renesas,thermal-r8a7791" (R-Car M2-W)
			    - "renesas,thermal-r8a7792" (R-Car V2H)
			    - "renesas,thermal-r8a7793" (R-Car M2-N)
- reg			: Address range of the thermal registers.
			  The 1st reg will be recognized as common register
			  if it has "interrupts".

Option properties:

- interrupts		: use interrupt

Example (non interrupt support):

thermal@ffc48000 {
	compatible = "renesas,thermal-r8a7779", "renesas,rcar-thermal";
	reg = <0xffc48000 0x38>;
};

Example (interrupt support):

thermal@e61f0000 {
	compatible = "renesas,thermal-r8a73a4", "renesas,rcar-thermal";
	reg = <0xe61f0000 0x14
		0xe61f0100 0x38
		0xe61f0200 0x38
		0xe61f0300 0x38>;
	interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>;
};

Example (with thermal-zone):

thermal-zones {
	cpu_thermal: cpu-thermal {
		polling-delay-passive	= <1000>;
		polling-delay		= <5000>;

		thermal-sensors = <&thermal>;

		trips {
			cpu-crit {
				temperature	= <115000>;
				hysteresis	= <0>;
				type		= "critical";
			};
		};
		cooling-maps {
		};
	};
};

thermal: thermal@e61f0000 {
	compatible =	"renesas,thermal-r8a7790",
			"renesas,rcar-gen2-thermal",
			"renesas,rcar-thermal";
	reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>;
	interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>;
	clocks = <&mstp5_clks R8A7790_CLK_THERMAL>;
	power-domains = <&cpg_clocks>;
	#thermal-sensor-cells = <0>;
};