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drivers: counter: add the support of the RTC to the stm32h5

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Add the stm32h5 serie to the stm32 RTC counter driver
EXTI Line is 17 (for stm32h50x or non-secure stm32h56x/h57x).
The drivers must Enable access to the BackUp Domain.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2023-04-04 12:40:10 +02:00 • committed by Fabio Baltieri
commit d574636b78
1 changed files with 5 additions and 2 deletions
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7
drivers/counter/counter_ll_stm32_rtc.c
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@ -52,6 +52,7 @@ LOG_MODULE_REGISTER(counter_rtc_stm32, CONFIG_COUNTER_LOG_LEVEL);
|| defined(CONFIG_SOC_SERIES_STM32L1X) \
|| defined(CONFIG_SOC_SERIES_STM32L5X) \
|| defined(CONFIG_SOC_SERIES_STM32H7X) \
|| defined(CONFIG_SOC_SERIES_STM32H5X) \
|| defined(CONFIG_SOC_SERIES_STM32WLX)
#define RTC_EXTI_LINE LL_EXTI_LINE_17
#endif
@ -374,7 +375,8 @@ void rtc_stm32_isr(const struct device *dev)
LL_C2_EXTI_ClearFlag_0_31(RTC_EXTI_LINE);
#elif defined(CONFIG_SOC_SERIES_STM32C0X) \
|| defined(CONFIG_SOC_SERIES_STM32G0X) \
|| defined(CONFIG_SOC_SERIES_STM32L5X)
|| defined(CONFIG_SOC_SERIES_STM32L5X) \
|| defined(CONFIG_SOC_SERIES_STM32H5X)
LL_EXTI_ClearRisingFlag_0_31(RTC_EXTI_LINE);
#elif defined(CONFIG_SOC_SERIES_STM32U5X)
/* in STM32U5 family RTC is not connected to EXTI */
@ -405,7 +407,8 @@ static int rtc_stm32_init(const struct device *dev)
/* Enable Backup access */
z_stm32_hsem_lock(CFG_HW_RCC_SEMID, HSEM_LOCK_DEFAULT_RETRY);
#if defined(PWR_CR_DBP) || defined(PWR_CR1_DBP) || defined(PWR_DBPR_DBP)
#if defined(PWR_CR_DBP) || defined(PWR_CR1_DBP) || \
defined(PWR_DBPCR_DBP) || defined(PWR_DBPR_DBP)
LL_PWR_EnableBkUpAccess();
#endif /* PWR_CR_DBP || PWR_CR1_DBP || PWR_DBPR_DBP */