xref: /freebsd-src/sys/contrib/device-tree/Bindings/watchdog/qcom-wdt.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotQualcomm Krait Processor Sub-system (KPSS) Watchdog
2*c66ec88fSEmmanuel Vadot---------------------------------------------------
3*c66ec88fSEmmanuel Vadot
4*c66ec88fSEmmanuel VadotRequired properties :
5*c66ec88fSEmmanuel Vadot- compatible : shall contain only one of the following:
6*c66ec88fSEmmanuel Vadot
7*c66ec88fSEmmanuel Vadot			"qcom,kpss-wdt-msm8960"
8*c66ec88fSEmmanuel Vadot			"qcom,kpss-wdt-apq8064"
9*c66ec88fSEmmanuel Vadot			"qcom,kpss-wdt-ipq8064"
10*c66ec88fSEmmanuel Vadot			"qcom,kpss-wdt-ipq4019"
11*c66ec88fSEmmanuel Vadot			"qcom,kpss-timer"
12*c66ec88fSEmmanuel Vadot			"qcom,scss-timer"
13*c66ec88fSEmmanuel Vadot			"qcom,kpss-wdt"
14*c66ec88fSEmmanuel Vadot
15*c66ec88fSEmmanuel Vadot- reg : shall contain base register location and length
16*c66ec88fSEmmanuel Vadot- clocks : shall contain the input clock
17*c66ec88fSEmmanuel Vadot
18*c66ec88fSEmmanuel VadotOptional properties :
19*c66ec88fSEmmanuel Vadot- timeout-sec : shall contain the default watchdog timeout in seconds,
20*c66ec88fSEmmanuel Vadot                if unset, the default timeout is 30 seconds
21*c66ec88fSEmmanuel Vadot
22*c66ec88fSEmmanuel VadotExample:
23*c66ec88fSEmmanuel Vadot	watchdog@208a038 {
24*c66ec88fSEmmanuel Vadot		compatible = "qcom,kpss-wdt-ipq8064";
25*c66ec88fSEmmanuel Vadot		reg = <0x0208a038 0x40>;
26*c66ec88fSEmmanuel Vadot		clocks = <&sleep_clk>;
27*c66ec88fSEmmanuel Vadot		timeout-sec = <10>;
28*c66ec88fSEmmanuel Vadot	};
29