0753bc2d30
This is a simple uclass for Watchdog Timers. It has four operations: start, restart, reset, stop. Drivers must implement start, restart and stop operations, while implementing reset is optional: It's default implementation expires watchdog timer in one clock tick. Signed-off-by: Maxim Sloyko <maxims@google.com> Reviewed-by: Simon Glass <sjg@chromium.org>
27 lines
757 B
Plaintext
27 lines
757 B
Plaintext
menu "Watchdog Timer Support"
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config ULP_WATCHDOG
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bool "i.MX7ULP watchdog"
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help
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Say Y here to enable i.MX7ULP watchdog driver.
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config WDT
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bool "Enable driver model for watchdog timer drivers"
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depends on DM
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help
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Enable driver model for watchdog timer. At the moment the API
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is very simple and only supports four operations:
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start, restart, stop and reset (expire immediately).
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What exactly happens when the timer expires is up to a particular
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device/driver.
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config WDT_SANDBOX
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bool "Enable Watchdog Timer support for Sandbox"
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depends on SANDBOX && WDT
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help
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Enable Watchdog Timer support in Sandbox. This is a dummy device that
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can be probed and supports all of the methods of WDT, but does not
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really do anything.
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endmenu
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