dt-bindings: Document the Broadcom STB wake-up timer node
[people/ms/u-boot.git] / Documentation / devicetree / bindings / rtc / brcm,brcmstb-waketimer.txt
CommitLineData
022b7fb5
FF
1Broadcom STB wake-up Timer
2
3The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the
4ability to wake up the system from low-power suspend/standby modes.
5
6Required properties:
7- compatible : should contain "brcm,brcmstb-waketimer"
8- reg : the register start and length for the WKTMR block
9- interrupts : The TIMER interrupt
10- interrupt-parent: The phandle to the Always-On (AON) Power Management (PM) L2
11 interrupt controller node
12- clocks : The phandle to the UPG fixed clock (27Mhz domain)
13
14Example:
15
16waketimer@f0411580 {
17 compatible = "brcm,brcmstb-waketimer";
18 reg = <0xf0411580 0x14>;
19 interrupts = <0x3>;
20 interrupt-parent = <&aon_pm_l2_intc>;
21 clocks = <&upg_fixed>;
22};