adafruit-mirror/zephyr
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 9

drivers: watchdog: wdt_nrfx: Implement disable API

Browse source 
nRF5340 SoC has `TASK_STOP` this patch implements disabling
watchdog for that SoC.

Changed body of `wdt_nrf_setup()` to utilize `nrfx_wdt_reconfigure()`
driver API.

Signed-off-by: Adam Wojasinski <adam.wojasinski@nordicsemi.no>
This commit is contained in:
Adam Wojasinski 2023-09-22 09:08:17 +02:00 committed by Carles Cufí
parent 325e28218f
commit 415b6fc945
1 changed files with 28 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
drivers/watchdog/wdt_nrfx.c
View file

@ -28,29 +28,32 @@ static int wdt_nrf_setup(const struct device *dev, uint8_t options)
{
const struct wdt_nrfx_config *config = dev->config;
struct wdt_nrfx_data *data = dev->data;
uint32_t behaviour;
nrfx_err_t err_code;
/* Activate all available options. Run in all cases. */
behaviour = NRF_WDT_BEHAVIOUR_RUN_SLEEP_MASK | NRF_WDT_BEHAVIOUR_RUN_HALT_MASK;
config->config.behaviour = NRF_WDT_BEHAVIOUR_RUN_SLEEP_MASK |
#if NRF_WDT_HAS_STOP
NRF_WDT_BEHAVIOUR_STOP_ENABLE_MASK |
#endif
NRF_WDT_BEHAVIOUR_RUN_HALT_MASK;
/* Deactivate running in sleep mode. */
if (options & WDT_OPT_PAUSE_IN_SLEEP) {
behaviour &= ~NRF_WDT_BEHAVIOUR_RUN_SLEEP_MASK;
config->config.behaviour &= ~NRF_WDT_BEHAVIOUR_RUN_SLEEP_MASK;
}
/* Deactivate running when debugger is attached. */
if (options & WDT_OPT_PAUSE_HALTED_BY_DBG) {
behaviour &= ~NRF_WDT_BEHAVIOUR_RUN_HALT_MASK;
config->config.behaviour &= ~NRF_WDT_BEHAVIOUR_RUN_HALT_MASK;
}
nrf_wdt_behaviour_set(config->wdt.p_reg, behaviour);
/* The watchdog timer is driven by the LFCLK clock running at 32768 Hz.
* The timeout value given in milliseconds needs to be converted here
* to watchdog ticks.*/
nrf_wdt_reload_value_set(
config->wdt.p_reg,
(uint32_t)(((uint64_t)data->m_timeout * 32768U)
/ 1000));
config->config.reload_value = data->m_timeout;
err_code = nrfx_wdt_reconfigure(&config->wdt, &config->config);
if (err_code != NRFX_SUCCESS) {
return -EBUSY;
}
nrfx_wdt_enable(&config->wdt);
@ -59,9 +62,21 @@ static int wdt_nrf_setup(const struct device *dev, uint8_t options)
static int wdt_nrf_disable(const struct device *dev)
{
/* Started watchdog cannot be stopped on nRF devices. */
#if NRFX_WDT_HAS_STOP
const struct wdt_nrfx_config *config = dev->config;
nrfx_err_t err_code;
err_code = nrfx_wdt_stop(&config->wdt);
if (err_code != NRFX_SUCCESS) {
return -ENOTSUP;
}
return 0;
#else
ARG_UNUSED(dev);
return -EPERM;
#endif
}
static int wdt_nrf_install_timeout(const struct device *dev,