# STM32 LPTIM configuration options

# Copyright (c) 2019 STMicroelectronics
# SPDX-License-Identifier: Apache-2.0

menuconfig STM32_LPTIM_TIMER
	bool "STM32 Low Power Timer [EXPERIMENTAL]"
	default y
	depends on DT_HAS_ST_STM32_LPTIM_ENABLED
	depends on CLOCK_CONTROL && PM
	select TICKLESS_CAPABLE
	select EXPERIMENTAL
	help
	  This module implements a kernel device driver for the LowPower Timer
	  and provides the standard "system clock driver" interfaces.

if STM32_LPTIM_TIMER

choice STM32_LPTIM_CLOCK
	prompt "LPTIM clock value configuration"
	help
	  This option is deprecated and configuration of LPTIM domain clock
	  using devicetree should be preferred.

config STM32_LPTIM_CLOCK_LSI
	bool "LSI"
	help
	  Use LSI as LPTIM clock

config STM32_LPTIM_CLOCK_LSE
	bool "LSE"
	help
	  Use LSE as LPTIM clock

endchoice

config STM32_LPTIM_CLOCK
	int "LPTIM clock value"
	default 32768 if STM32_LPTIM_CLOCK_LSE
	default 32000 if STM32_LPTIM_CLOCK_LSI

config STM32_LPTIM_TIMEBASE
	hex "LPTIM AutoReload value"
	default 0xFFFF if STM32_LPTIM_CLOCK_LSE
	default 0xF9FF if STM32_LPTIM_CLOCK_LSI

config STM32_LPTIM_TICK_FREQ_RATIO_OVERRIDE
	bool "Override tick to freq ratio check"
	default y if ZTEST
	help
	  For LPTIM configuration, a specific tick freq is advised
	  depending on LPTIM input clock:
	  - LSI(32KHz): 4000 ticks/sec
	  - LSE(32678): 4096 ticks/sec
	  To prevent misconfigurations, a dedicated check is implemented
	  in the driver.
	  This options allows to override this check

endif # STM32_LPTIM_TIMER