diff options
| author | Lukasz Majczak <lma@chromium.org> | 2024-01-26 09:57:20 +0000 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2024-02-01 11:49:30 +0000 |
| commit | 843dac4d3687f7628ba4f76e1481ee3838b27a35 (patch) | |
| tree | 8adc9168517678aab78a25fbf3020a9c91dd8ec0 /drivers/watchdog/Kconfig | |
| parent | 4d2ff655fb85a0bf1ecec6022ffdacb2a5f83fd2 (diff) | |
| download | lwn-843dac4d3687f7628ba4f76e1481ee3838b27a35.tar.gz lwn-843dac4d3687f7628ba4f76e1481ee3838b27a35.zip | |
watchdog: Add ChromeOS EC-based watchdog driver
Embedded Controller (EC) present on Chromebook devices
can be used as a watchdog.
Implement a driver to support it.
Signed-off-by: Lukasz Majczak <lma@chromium.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240126095721.782782-3-lma@chromium.org
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/watchdog/Kconfig')
| -rw-r--r-- | drivers/watchdog/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 7d22051b15a2..4700b218340f 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -181,6 +181,17 @@ config BD957XMUF_WATCHDOG watchdog. Alternatively say M to compile the driver as a module, which will be called bd9576_wdt. +config CROS_EC_WATCHDOG + tristate "ChromeOS EC-based watchdog" + select WATCHDOG_CORE + depends on CROS_EC + help + Watchdog driver for Chromebook devices equipped with embedded controller. + Trigger event is recorded in EC and checked on the subsequent boot. + + To compile this driver as a module, choose M here: the + module will be called cros_ec_wdt. + config DA9052_WATCHDOG tristate "Dialog DA9052 Watchdog" depends on PMIC_DA9052 || COMPILE_TEST |