soc: st: stm32 mcus setting the lptim clock source

Select the LPTIM clock source STM32_LPTIM_CLOCK to be
LSE or LSI depending on the DTS clocks property
of the stm32_lp_tick_source node.
This will also affect the SYS_CLOCK_TICKS_PER_SEC
depending on the lptim prescaler

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2024-03-27 11:45:47 +01:00 committed by Fabio Baltieri
commit d70e96ea96

View file

@ -44,6 +44,11 @@ config SYS_CLOCK_TICKS_PER_SEC
default 250 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 128
depends on STM32_LPTIM_TIMER && STM32_LPTIM_CLOCK_LSI
choice STM32_LPTIM_CLOCK
default STM32_LPTIM_CLOCK_LSE if "$(dt_node_ph_array_prop_int,$(DT_STM32_LPTIM_PATH),clocks,1,bus)" = 2
default STM32_LPTIM_CLOCK_LSI if "$(dt_node_ph_array_prop_int,$(DT_STM32_LPTIM_PATH),clocks,1,bus)" = 3
endchoice
config CLOCK_CONTROL_STM32_CUBE
default y
depends on CLOCK_CONTROL