xref: /freebsd/sys/contrib/device-tree/Bindings/mfd/atmel-gpbr.txt (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145) 
1c66ec88fSEmmanuel Vadot* Device tree bindings for Atmel GPBR (General Purpose Backup Registers)
2c66ec88fSEmmanuel Vadot
3c66ec88fSEmmanuel VadotThe GPBR are a set of battery-backed registers.
4c66ec88fSEmmanuel Vadot
5c66ec88fSEmmanuel VadotRequired properties:
6c66ec88fSEmmanuel Vadot- compatible:		Should be one of the following:
7c66ec88fSEmmanuel Vadot			"atmel,at91sam9260-gpbr", "syscon"
8c66ec88fSEmmanuel Vadot			"microchip,sam9x60-gpbr", "syscon"
9*aa1a8ff2SEmmanuel Vadot			"microchip,sam9x7-gpbr", "microchip,sam9x60-gpbr", "syscon"
10c66ec88fSEmmanuel Vadot- reg:			contains offset/length value of the GPBR memory
11c66ec88fSEmmanuel Vadot			region.
12c66ec88fSEmmanuel Vadot
13c66ec88fSEmmanuel VadotExample:
14c66ec88fSEmmanuel Vadot
15c66ec88fSEmmanuel Vadotgpbr: gpbr@fffffd50 {
16c66ec88fSEmmanuel Vadot	compatible = "atmel,at91sam9260-gpbr", "syscon";
17c66ec88fSEmmanuel Vadot	reg = <0xfffffd50 0x10>;
18c66ec88fSEmmanuel Vadot};
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