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soc/arm: st_stm32: Optionally Set SYS_CLOCK_HW_CYCLES_PER_SEC using dt

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Optionally configure Kconfig SYS_CLOCK_HW_CYCLES_PER_SEC using
clock-frequency provided by dt if sysclk node is enabled

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2021-04-02 17:13:27 +02:00 • committed by Carles Cufí
commit c4d3306042
1 changed files with 6 additions and 0 deletions
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6
soc/arm/st_stm32/common/Kconfig.defconfig.series
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@ -10,6 +10,12 @@ if SOC_FAMILY_STM32
config CORTEX_M_SYSTICK
default n if STM32_LPTIM_TIMER
DT_STM32_RCC_PATH := $(dt_nodelabel_path,rcc)
DT_STM32_RCC_CLOCK_FREQ := $(dt_node_int_prop_int,$(DT_STM32_RCC_PATH),clock-frequency)
config SYS_CLOCK_HW_CYCLES_PER_SEC
default "$(DT_STM32_RCC_CLOCK_FREQ)" if "$(dt_nodelabel_enabled,rcc)"
# set the tick per sec as a divider of the LPTIM clock source
config SYS_CLOCK_TICKS_PER_SEC
default 4096 if STM32_LPTIM_TIMER && STM32_LPTIM_CLOCK_LSE