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drivers: counter: stm32: enable support for H7 series

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Enable counter driver support for H7 series. Tested with H743ZI MCU
using samples/drivers/counter/alarm.

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
This commit is contained in:
Gerard Marull-Paretas 2020-03-06 05:41:11 -08:00 • committed by Maureen Helm
commit ff8fea4ebb
5 changed files with 26 additions and 2 deletions
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2
drivers/counter/Kconfig.stm32_rtc
View file

@ -12,7 +12,7 @@ menuconfig COUNTER_RTC_STM32
select USE_STM32_LL_EXTI
select REQUIRES_FULL_LIBC
help
Build RTC driver for STM32 SoCs. Tested on STM32 F3, F4, L4, F7, G4 series
Build RTC driver for STM32 SoCs. Tested on STM32 F3, F4, L4, F7, G4, H7 series
choice COUNTER_RTC_STM32_CLOCK_SRC
bool "RTC clock source"

3
drivers/counter/counter_ll_stm32_rtc.c
View file

@ -31,7 +31,8 @@ LOG_MODULE_REGISTER(counter_rtc_stm32, CONFIG_COUNTER_LOG_LEVEL);
|| defined(CONFIG_SOC_SERIES_STM32F7X) \
|| defined(CONFIG_SOC_SERIES_STM32WBX) \
|| defined(CONFIG_SOC_SERIES_STM32G4X) \
|| defined(CONFIG_SOC_SERIES_STM32L1X)
|| defined(CONFIG_SOC_SERIES_STM32L1X) \
|| defined(CONFIG_SOC_SERIES_STM32H7X)
#define RTC_EXTI_LINE LL_EXTI_LINE_17
#endif

10
dts/arm/st/h7/stm32h7.dtsi
View file

@ -226,6 +226,16 @@
status = "disabled";
label = "UART_8";
};
rtc: rtc@58004000 {
compatible = "st,stm32-rtc";
reg = <0x58004000 0x400>;
interrupts = <41 0>;
clocks = <&rcc STM32_CLOCK_BUS_APB4 0x00010000>;
prescaler = <32768>;
status = "disabled";
label = "RTC_0";
};
};
};

7
soc/arm/st_stm32/stm32h7/dts_fixup.h
View file

@ -181,6 +181,13 @@
#define DT_UART_STM32_UART_8_CLOCK_BUS DT_ST_STM32_UART_40007C00_CLOCK_BUS
#define DT_UART_STM32_UART_8_HW_FLOW_CONTROL DT_ST_STM32_UART_40007C00_HW_FLOW_CONTROL
#define DT_RTC_0_BASE_ADDRESS DT_ST_STM32_RTC_58004000_BASE_ADDRESS
#define DT_RTC_0_IRQ_PRI DT_ST_STM32_RTC_58004000_IRQ_0_PRIORITY
#define DT_RTC_0_IRQ DT_ST_STM32_RTC_58004000_IRQ_0
#define DT_RTC_0_NAME DT_ST_STM32_RTC_58004000_LABEL
#define DT_RTC_0_CLOCK_BITS DT_ST_STM32_RTC_58004000_CLOCK_BITS
#define DT_RTC_0_CLOCK_BUS DT_ST_STM32_RTC_58004000_CLOCK_BUS
#define DT_WWDT_0_BASE_ADDRESS DT_INST_0_ST_STM32_WINDOW_WATCHDOG_BASE_ADDRESS
#define DT_WWDT_0_NAME DT_INST_0_ST_STM32_WINDOW_WATCHDOG_LABEL
#define DT_WWDT_0_IRQ DT_INST_0_ST_STM32_WINDOW_WATCHDOG_IRQ_0

6
soc/arm/st_stm32/stm32h7/soc.h
View file

@ -64,6 +64,12 @@
#include <stm32h7xx_ll_utils.h>
#endif
#ifdef CONFIG_COUNTER_RTC_STM32
#include <stm32h7xx_ll_rtc.h>
#include <stm32h7xx_ll_exti.h>
#include <stm32h7xx_ll_pwr.h>
#endif /* CONFIG_COUNTER_RTC_STM32 */
#endif /* !_ASMLANGUAGE */
#endif /* _STM32F7_SOC_H7_ */