WIP FPC-III support
[linux/fpc-iii.git] / Documentation / devicetree / bindings / watchdog / marvel.txt
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1 * Marvell Orion Watchdog Time
3 Required Properties:
5 - Compatibility : "marvell,orion-wdt"
6                   "marvell,armada-370-wdt"
7                   "marvell,armada-xp-wdt"
8                   "marvell,armada-375-wdt"
9                   "marvell,armada-380-wdt"
11 - reg           : Should contain two entries: first one with the
12                   timer control address, second one with the
13                   rstout enable address.
15 For "marvell,armada-375-wdt" and "marvell,armada-380-wdt":
17 - reg           : A third entry is mandatory and should contain the
18                   shared mask/unmask RSTOUT address.
20 Clocks required for compatibles = "marvell,orion-wdt",
21                                   "marvell,armada-370-wdt":
22 - clocks : Must contain a single entry describing the clock input
24 Clocks required for compatibles = "marvell,armada-xp-wdt"
25                                   "marvell,armada-375-wdt"
26                                   "marvell,armada-380-wdt":
27 - clocks : Must contain an entry for each entry in clock-names.
28 - clock-names : Must include the following entries:
29   "nbclk" (L2/coherency fabric clock),
30   "fixed" (Reference 25 MHz fixed-clock).
32 Optional properties:
34 - interrupts    : Contains the IRQ for watchdog expiration
35 - timeout-sec   : Contains the watchdog timeout in seconds
37 Example:
39         wdt@20300 {
40                 compatible = "marvell,orion-wdt";
41                 reg = <0x20300 0x28>, <0x20108 0x4>;
42                 interrupts = <3>;
43                 timeout-sec = <10>;
44                 clocks = <&gate_clk 7>;
45         };