* Device tree bindings for Atmel GPBR (General Purpose Backup Registers)

The GPBR are a set of battery-backed registers.

Required properties:
- compatible:		Should be one of the following:
			"atmel,at91sam9260-gpbr", "syscon"
			"microchip,sam9x60-gpbr", "syscon"
			"microchip,sam9x7-gpbr", "microchip,sam9x60-gpbr", "syscon"
- reg:			contains offset/length value of the GPBR memory
			region.

Example:

gpbr: gpbr@fffffd50 {
	compatible = "atmel,at91sam9260-gpbr", "syscon";
	reg = <0xfffffd50 0x10>;
};
