xref: /freebsd/sys/contrib/device-tree/Bindings/mfd/atmel-gpbr.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot* Device tree bindings for Atmel GPBR (General Purpose Backup Registers)
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotThe GPBR are a set of battery-backed registers.
4*c66ec88fSEmmanuel Vadot
5*c66ec88fSEmmanuel VadotRequired properties:
6*c66ec88fSEmmanuel Vadot- compatible:		Should be one of the following:
7*c66ec88fSEmmanuel Vadot			"atmel,at91sam9260-gpbr", "syscon"
8*c66ec88fSEmmanuel Vadot			"microchip,sam9x60-gpbr", "syscon"
9*c66ec88fSEmmanuel Vadot- reg:			contains offset/length value of the GPBR memory
10*c66ec88fSEmmanuel Vadot			region.
11*c66ec88fSEmmanuel Vadot
12*c66ec88fSEmmanuel VadotExample:
13*c66ec88fSEmmanuel Vadot
14*c66ec88fSEmmanuel Vadotgpbr: gpbr@fffffd50 {
15*c66ec88fSEmmanuel Vadot	compatible = "atmel,at91sam9260-gpbr", "syscon";
16*c66ec88fSEmmanuel Vadot	reg = <0xfffffd50 0x10>;
17*c66ec88fSEmmanuel Vadot};
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