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H A Dstm32_rtc.ce419bc7f385ca2fdf46975518a20b131590510fd Mon Dec 16 10:23:53 UTC 2024 Gatien Chevallier <gatien.chevallier@foss.st.com> drivers: stm32_rtc: introduce STM32 RTC driver

Driver interface allows to read date&time from RTC device, generate
RTC timestamps and compute time delta between RTC date & time values.

The RTC is a firewall-aware peripheral. It means that the RTC driver is
in charge of configuring its own firewall restrictions and that the RTC
has dedicated firewall configuration registers.

The RTC provide APIs with time structure compatible with linux kernel
driver.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
H A Dsub.mke419bc7f385ca2fdf46975518a20b131590510fd Mon Dec 16 10:23:53 UTC 2024 Gatien Chevallier <gatien.chevallier@foss.st.com> drivers: stm32_rtc: introduce STM32 RTC driver

Driver interface allows to read date&time from RTC device, generate
RTC timestamps and compute time delta between RTC date & time values.

The RTC is a firewall-aware peripheral. It means that the RTC driver is
in charge of configuring its own firewall restrictions and that the RTC
has dedicated firewall configuration registers.

The RTC provide APIs with time structure compatible with linux kernel
driver.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>