1 * Marvell Orion Watchdog Time 1 * Marvell Orion Watchdog Time
2 2
3 Required Properties: 3 Required Properties:
4 4
5 - Compatibility : "marvell,orion-wdt" 5 - Compatibility : "marvell,orion-wdt"
6 "marvell,armada-370-wdt" 6 "marvell,armada-370-wdt"
7 "marvell,armada-xp-wdt" 7 "marvell,armada-xp-wdt"
8 "marvell,armada-375-wdt" 8 "marvell,armada-375-wdt"
9 "marvell,armada-380-wdt" 9 "marvell,armada-380-wdt"
10 10
11 - reg : Should contain two entries: 11 - reg : Should contain two entries: first one with the
12 timer control address, secon 12 timer control address, second one with the
13 rstout enable address. 13 rstout enable address.
14 14
15 For "marvell,armada-375-wdt" and "marvell,arma 15 For "marvell,armada-375-wdt" and "marvell,armada-380-wdt":
16 16
17 - reg : A third entry is mandatory a 17 - reg : A third entry is mandatory and should contain the
18 shared mask/unmask RSTOUT ad 18 shared mask/unmask RSTOUT address.
19 19
20 Clocks required for compatibles = "marvell,ori 20 Clocks required for compatibles = "marvell,orion-wdt",
21 "marvell,arm 21 "marvell,armada-370-wdt":
22 - clocks : Must contain a single entry describ 22 - clocks : Must contain a single entry describing the clock input
23 23
24 Clocks required for compatibles = "marvell,arm 24 Clocks required for compatibles = "marvell,armada-xp-wdt"
25 "marvell,arm 25 "marvell,armada-375-wdt"
26 "marvell,arm 26 "marvell,armada-380-wdt":
27 - clocks : Must contain an entry for each entr 27 - clocks : Must contain an entry for each entry in clock-names.
28 - clock-names : Must include the following ent 28 - clock-names : Must include the following entries:
29 "nbclk" (L2/coherency fabric clock), 29 "nbclk" (L2/coherency fabric clock),
30 "fixed" (Reference 25 MHz fixed-clock). 30 "fixed" (Reference 25 MHz fixed-clock).
31 31
32 Optional properties: 32 Optional properties:
33 33
34 - interrupts : Contains the IRQ for watchdo 34 - interrupts : Contains the IRQ for watchdog expiration
35 - timeout-sec : Contains the watchdog timeou 35 - timeout-sec : Contains the watchdog timeout in seconds
36 36
37 Example: 37 Example:
38 38
39 wdt@20300 { 39 wdt@20300 {
40 compatible = "marvell,orion-wd 40 compatible = "marvell,orion-wdt";
41 reg = <0x20300 0x28>, <0x20108 41 reg = <0x20300 0x28>, <0x20108 0x4>;
42 interrupts = <3>; 42 interrupts = <3>;
43 timeout-sec = <10>; 43 timeout-sec = <10>;
44 clocks = <&gate_clk 7>; 44 clocks = <&gate_clk 7>;
45 }; 45 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.