xref: /freebsd/sys/contrib/device-tree/Bindings/watchdog/armada-37xx-wdt.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71) 
1*c66ec88fSEmmanuel Vadot* Armada 37xx CPU Watchdog Timer Controller
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot- compatible : must be "marvell,armada-3700-wdt"
5*c66ec88fSEmmanuel Vadot- reg : base physical address of the controller and length of memory mapped
6*c66ec88fSEmmanuel Vadot	region.
7*c66ec88fSEmmanuel Vadot- clocks : the clock feeding the watchdog timer. See clock-bindings.txt
8*c66ec88fSEmmanuel Vadot- marvell,system-controller : reference to syscon node for the CPU Miscellaneous
9*c66ec88fSEmmanuel Vadot	Registers
10*c66ec88fSEmmanuel Vadot
11*c66ec88fSEmmanuel VadotExample:
12*c66ec88fSEmmanuel Vadot
13*c66ec88fSEmmanuel Vadot	cpu_misc: system-controller@d000 {
14*c66ec88fSEmmanuel Vadot		compatible = "marvell,armada-3700-cpu-misc", "syscon";
15*c66ec88fSEmmanuel Vadot		reg = <0xd000 0x1000>;
16*c66ec88fSEmmanuel Vadot	};
17*c66ec88fSEmmanuel Vadot
18*c66ec88fSEmmanuel Vadot	wdt: watchdog@8300 {
19*c66ec88fSEmmanuel Vadot		compatible = "marvell,armada-3700-wdt";
20*c66ec88fSEmmanuel Vadot		reg = <0x8300 0x40>;
21*c66ec88fSEmmanuel Vadot		marvell,system-controller = <&cpu_misc>;
22*c66ec88fSEmmanuel Vadot		clocks = <&xtalclk>;
23*c66ec88fSEmmanuel Vadot	};
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