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