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drivers: watchdog: Fix RP2040 watchdog load time

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RP2040 requires watchdog load time in us, but Zephyr
watchdog window values are in ms. Make sure that it is
adjusted to hardware requirements.

Signed-off-by: Marcin Jabrzyk <marcin.jabrzyk@gmail.com>
This commit is contained in:
Marcin Jabrzyk 2022-10-11 20:56:54 +02:00 • committed by Lauren Murphy
commit 61916c69dd
1 changed files with 3 additions and 2 deletions
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5
drivers/watchdog/wdt_rpi_pico.c
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@ -9,6 +9,7 @@
#include <hardware/watchdog.h>
#include <hardware/structs/psm.h>
#include <zephyr/drivers/watchdog.h>
#include <zephyr/sys_clock.h>
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(wdt_rpi_pico, CONFIG_WDT_LOG_LEVEL);
@ -101,7 +102,7 @@ static int wdt_rpi_pico_install_timeout(const struct device *dev, const struct w
if (cfg->window.min != 0U || cfg->window.max == 0U) {
return -EINVAL;
} else if (cfg->window.max > RPI_PICO_MAX_WDT_TIME) {
} else if (cfg->window.max * USEC_PER_MSEC > RPI_PICO_MAX_WDT_TIME) {
return -EINVAL;
} else if (cfg->callback != NULL) {
return -ENOTSUP;
@ -113,7 +114,7 @@ static int wdt_rpi_pico_install_timeout(const struct device *dev, const struct w
return -EINVAL;
}
data->load = (cfg->window.max * RPI_PICO_WDT_TIME_MULTIPLICATION_FACTOR);
data->load = (cfg->window.max * USEC_PER_MSEC * RPI_PICO_WDT_TIME_MULTIPLICATION_FACTOR);
data->reset_type = (cfg->flags & WDT_FLAG_RESET_MASK);
return 0;