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drivers: rtc: rtc_ll_stm32: add rtc calibration out support

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implementation rtc calibration output
frequency set routine.

Signed-off-by: Mustafa Abdullah Kus <mustafa.kus@sparsetechnology.com>
This commit is contained in:
Mustafa Abdullah Kus 2024-02-19 16:55:00 +03:00 committed by Alberto Escolar
parent 689e3216fc
commit c9e908d7f3
1 changed files with 12 additions and 0 deletions
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12
drivers/rtc/rtc_ll_stm32.c
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@ -71,6 +71,9 @@ struct rtc_stm32_config {
uint32_t async_prescaler;
uint32_t sync_prescaler;
const struct stm32_pclken *pclken;
#if DT_INST_NODE_HAS_PROP(0, calib_out_freq)
uint32_t cal_out_freq;
#endif
};
struct rtc_stm32_data {
@ -108,6 +111,12 @@ static int rtc_stm32_configure(const struct device *dev)
LL_RTC_DisableInitMode(RTC);
}
#if DT_INST_NODE_HAS_PROP(0, calib_out_freq)
LL_RTC_CAL_SetOutputFreq(RTC, cfg->cal_out_freq);
#else
LL_RTC_CAL_SetOutputFreq(RTC, LL_RTC_CALIB_OUTPUT_NONE);
#endif
#ifdef RTC_CR_BYPSHAD
LL_RTC_EnableShadowRegBypass(RTC);
#endif /* RTC_CR_BYPSHAD */
@ -422,6 +431,9 @@ static const struct rtc_stm32_config rtc_config = {
.sync_prescaler = 0x00FF,
#endif
.pclken = rtc_clk,
#if DT_INST_NODE_HAS_PROP(0, calib_out_freq)
.cal_out_freq = _CONCAT(_CONCAT(LL_RTC_CALIB_OUTPUT_, DT_INST_PROP(0, calib_out_freq)), HZ),
#endif
};
static struct rtc_stm32_data rtc_data;