kernel/Documentation/devicetree/bindings/mfd/atmel-gpbr.txt
.. .. @@ -3,7 +3,9 @@ 3 3 The GPBR are a set of battery-backed registers. 4 4 5 5 Required properties: 6 -- compatible: "atmel,at91sam9260-gpbr", "syscon"6 +- compatible: Should be one of the following:7 + "atmel,at91sam9260-gpbr", "syscon"8 + "microchip,sam9x60-gpbr", "syscon"7 9 - reg: contains offset/length value of the GPBR memory 8 10 region. 9 11