xref: /freebsd/sys/contrib/device-tree/Bindings/rtc/brcm,brcmstb-waketimer.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotBroadcom STB wake-up Timer
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotThe Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the
4*c66ec88fSEmmanuel Vadotability to wake up the system from low-power suspend/standby modes.
5*c66ec88fSEmmanuel Vadot
6*c66ec88fSEmmanuel VadotRequired properties:
7*c66ec88fSEmmanuel Vadot- compatible     : should contain "brcm,brcmstb-waketimer"
8*c66ec88fSEmmanuel Vadot- reg            : the register start and length for the WKTMR block
9*c66ec88fSEmmanuel Vadot- interrupts     : The TIMER interrupt
10*c66ec88fSEmmanuel Vadot- clocks	 : The phandle to the UPG fixed clock (27Mhz domain)
11*c66ec88fSEmmanuel Vadot
12*c66ec88fSEmmanuel VadotExample:
13*c66ec88fSEmmanuel Vadot
14*c66ec88fSEmmanuel Vadotwaketimer@f0411580 {
15*c66ec88fSEmmanuel Vadot	compatible = "brcm,brcmstb-waketimer";
16*c66ec88fSEmmanuel Vadot	reg = <0xf0411580 0x14>;
17*c66ec88fSEmmanuel Vadot	interrupts = <0x3>;
18*c66ec88fSEmmanuel Vadot	interrupt-parent = <&aon_pm_l2_intc>;
19*c66ec88fSEmmanuel Vadot	clocks = <&upg_fixed>;
20*c66ec88fSEmmanuel Vadot};
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