]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - Documentation/devicetree/bindings/watchdog/marvel.txt
Merge branches 'acpi-scan', 'acpi-utils' and 'acpi-pm'
[mirror_ubuntu-bionic-kernel.git] / Documentation / devicetree / bindings / watchdog / marvel.txt
CommitLineData
1e7bad0f
AL
1* Marvell Orion Watchdog Time
2
3Required Properties:
4
5- Compatibility : "marvell,orion-wdt"
463f96e0
EG
6 "marvell,armada-370-wdt"
7 "marvell,armada-xp-wdt"
ebc5e336
EG
8 "marvell,armada-375-wdt"
9 "marvell,armada-380-wdt"
463f96e0 10
868eb616
EG
11- reg : Should contain two entries: first one with the
12 timer control address, second one with the
13 rstout enable address.
1e7bad0f 14
ebc5e336
EG
15For "marvell,armada-375-wdt" and "marvell,armada-380-wdt":
16
17- reg : A third entry is mandatory and should contain the
18 shared mask/unmask RSTOUT address.
19
8067042a
EG
20Clocks required for compatibles = "marvell,orion-wdt",
21 "marvell,armada-370-wdt":
22- clocks : Must contain a single entry describing the clock input
23
24Clocks 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).
31
c1fd5f64
FP
32Optional properties:
33
e97662e1 34- interrupts : Contains the IRQ for watchdog expiration
c1fd5f64
FP
35- timeout-sec : Contains the watchdog timeout in seconds
36
1e7bad0f
AL
37Example:
38
39 wdt@20300 {
40 compatible = "marvell,orion-wdt";
868eb616 41 reg = <0x20300 0x28>, <0x20108 0x4>;
e97662e1 42 interrupts = <3>;
c1fd5f64 43 timeout-sec = <10>;
1e7bad0f 44 status = "okay";
8067042a 45 clocks = <&gate_clk 7>;
1e7bad0f 46 };