mirror of https://gitee.com/openkylin/linux.git
36 lines
1.0 KiB
Plaintext
36 lines
1.0 KiB
Plaintext
Alphascale asm9260 Watchdog timer
|
|
|
|
Required properties:
|
|
|
|
- compatible : should be "alphascale,asm9260-wdt".
|
|
- reg : Specifies base physical address and size of the registers.
|
|
- clocks : the clocks feeding the watchdog timer. See clock-bindings.txt
|
|
- clock-names : should be set to
|
|
"mod" - source for tick counter.
|
|
"ahb" - ahb gate.
|
|
- resets : phandle pointing to the system reset controller with
|
|
line index for the watchdog.
|
|
- reset-names : should be set to "wdt_rst".
|
|
|
|
Optional properties:
|
|
- timeout-sec : shall contain the default watchdog timeout in seconds,
|
|
if unset, the default timeout is 30 seconds.
|
|
- alphascale,mode : three modes are supported
|
|
"hw" - hw reset (default).
|
|
"sw" - sw reset.
|
|
"debug" - no action is taken.
|
|
|
|
Example:
|
|
|
|
watchdog0: watchdog@80048000 {
|
|
compatible = "alphascale,asm9260-wdt";
|
|
reg = <0x80048000 0x10>;
|
|
clocks = <&acc CLKID_SYS_WDT>, <&acc CLKID_AHB_WDT>;
|
|
clock-names = "mod", "ahb";
|
|
interrupts = <55>;
|
|
resets = <&rst WDT_RESET>;
|
|
reset-names = "wdt_rst";
|
|
timeout-sec = <30>;
|
|
alphascale,mode = "hw";
|
|
};
|