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drivers: counter: stm32u5 family compatibility

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In STM32U5X family there is no EXTI line for RTC.

Signed-off-by: Wojciech Slenska <wsl@trackunit.com>
This commit is contained in:
Wojciech Slenska 2022-08-09 10:11:12 +02:00 committed by Fabio Baltieri
parent 405ebc0cd0
commit aebd68ea41
2 changed files with 15 additions and 1 deletions
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7
drivers/counter/counter_ll_stm32_rtc.c
View File

@ -268,6 +268,8 @@ void rtc_stm32_isr(const struct device *dev)
LL_C2_EXTI_ClearFlag_0_31(RTC_EXTI_LINE);
#elif defined(CONFIG_SOC_SERIES_STM32G0X)
LL_EXTI_ClearRisingFlag_0_31(RTC_EXTI_LINE);
#elif defined(CONFIG_SOC_SERIES_STM32U5X)
/* in STM32U5 family RTC is not connected to EXTI */
#else
LL_EXTI_ClearFlag_0_31(RTC_EXTI_LINE);
#endif
@ -372,10 +374,13 @@ static int rtc_stm32_init(const struct device *dev)
#if defined(CONFIG_SOC_SERIES_STM32H7X) && defined(CONFIG_CPU_CORTEX_M4)
LL_C2_EXTI_EnableIT_0_31(RTC_EXTI_LINE);
LL_EXTI_EnableRisingTrig_0_31(RTC_EXTI_LINE);
#elif defined(CONFIG_SOC_SERIES_STM32U5X)
/* in STM32U5 family RTC is not connected to EXTI */
#else
LL_EXTI_EnableIT_0_31(RTC_EXTI_LINE);
#endif
LL_EXTI_EnableRisingTrig_0_31(RTC_EXTI_LINE);
#endif
rtc_stm32_irq_config(dev);

9
dts/arm/st/u5/stm32u5.dtsi
View File

@ -343,6 +343,15 @@
status = "disabled";
};
rtc: rtc@46007800 {
compatible = "st,stm32-rtc";
reg = <0x46007800 0x400>;
interrupts = <2 0>;
clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00200000>;
prescaler = <32768>;
status = "disabled";
};
octospi1: octospi@420d1400 {
compatible = "st,stm32-ospi";
reg = <0x420d1400 0x400>;