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drivers: timer: handle the stm32u0 target

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Configure the lptim to wake-up from sleep.

Signed-off-by: Mickael Bosch <mickael.bosch@linux.com>
This commit is contained in:
Mickael Bosch 2025-06-06 16:51:10 +02:00 committed by Dan Kalowsky
parent 03bca9bae9
commit 888bde94be
1 changed files with 5 additions and 8 deletions
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13
drivers/timer/stm32_lptim_timer.c
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@ -519,11 +519,9 @@ static int sys_clock_driver_init(void)
/* the LPTIM clock freq is affected by the prescaler */
LL_LPTIM_SetPrescaler(LPTIM, (__CLZ(__RBIT(lptim_clock_presc)) << LPTIM_CFGR_PRESC_Pos));
#if defined(CONFIG_SOC_SERIES_STM32U5X) || \
defined(CONFIG_SOC_SERIES_STM32H5X) || \
defined(CONFIG_SOC_SERIES_STM32WBAX)
LL_LPTIM_OC_SetPolarity(LPTIM, LL_LPTIM_CHANNEL_CH1,
LL_LPTIM_OUTPUT_POLARITY_REGULAR);
#if defined(CONFIG_SOC_SERIES_STM32U5X) || defined(CONFIG_SOC_SERIES_STM32H5X) || \
defined(CONFIG_SOC_SERIES_STM32WBAX) || defined(CONFIG_SOC_SERIES_STM32U0X)
LL_LPTIM_OC_SetPolarity(LPTIM, LL_LPTIM_CHANNEL_CH1, LL_LPTIM_OUTPUT_POLARITY_REGULAR);
#else
LL_LPTIM_SetPolarity(LPTIM, LL_LPTIM_OUTPUT_POLARITY_REGULAR);
#endif
@ -533,9 +531,8 @@ static int sys_clock_driver_init(void)
/* counting start is initiated by software */
LL_LPTIM_TrigSw(LPTIM);
#if defined(CONFIG_SOC_SERIES_STM32U5X) || \
defined(CONFIG_SOC_SERIES_STM32H5X) || \
defined(CONFIG_SOC_SERIES_STM32WBAX)
#if defined(CONFIG_SOC_SERIES_STM32U5X) || defined(CONFIG_SOC_SERIES_STM32H5X) || \
defined(CONFIG_SOC_SERIES_STM32WBAX) || defined(CONFIG_SOC_SERIES_STM32U0X)
/* Enable the LPTIM before proceeding with configuration */
LL_LPTIM_Enable(LPTIM);