xref: /freebsd/sys/contrib/device-tree/Bindings/watchdog/imgpdc-wdt.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot*ImgTec PowerDown Controller (PDC) Watchdog Timer (WDT)
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot- compatible : Should be "img,pdc-wdt"
5*c66ec88fSEmmanuel Vadot- reg : Should contain WDT registers location and length
6*c66ec88fSEmmanuel Vadot- clocks: Must contain an entry for each entry in clock-names.
7*c66ec88fSEmmanuel Vadot- clock-names: Should contain "wdt" and "sys"; the watchdog counter
8*c66ec88fSEmmanuel Vadot               clock and register interface clock respectively.
9*c66ec88fSEmmanuel Vadot- interrupts : Should contain WDT interrupt
10*c66ec88fSEmmanuel Vadot
11*c66ec88fSEmmanuel VadotExamples:
12*c66ec88fSEmmanuel Vadot
13*c66ec88fSEmmanuel Vadotwatchdog@18102100 {
14*c66ec88fSEmmanuel Vadot	compatible = "img,pdc-wdt";
15*c66ec88fSEmmanuel Vadot	reg = <0x18102100 0x100>;
16*c66ec88fSEmmanuel Vadot	clocks = <&pdc_wdt_clk>, <&sys_clk>;
17*c66ec88fSEmmanuel Vadot	clock-names = "wdt", "sys";
18*c66ec88fSEmmanuel Vadot	interrupts = <0 52 IRQ_TYPE_LEVEL_HIGH>;
19*c66ec88fSEmmanuel Vadot};
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