# Kconfig - STM32F1 PLL configuration options
#
# Copyright (c) 2019 Linaro
#
#  SPDX-License-Identifier: Apache-2.0
#

if SOC_SERIES_STM32F1X

config CLOCK_STM32_PLL_XTPRE
	bool "HSE to PLL /2 prescaler"
	depends on SOC_STM32F10X_DENSITY_DEVICE && CLOCK_STM32_PLL_SRC_HSE
	help
	 Enable this option to enable /2 prescaler on HSE to PLL clock signal

config CLOCK_STM32_PLL_MULTIPLIER
	int "PLL multiplier"
	depends on CLOCK_STM32_SYSCLK_SRC_PLL
	default 9
	range 2 16 if SOC_STM32F10X_DENSITY_DEVICE
	range 4 9 if SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE
	help
	 PLL multiplier, PLL output must not exceed 72MHz. Allowed values:
	 Density devices: 2-16
	 Connectivity devices:  4 - 9 and 13 ( used for multiplication factor 6.5).

config CLOCK_STM32_PLL_PREDIV1
	int "PREDIV1 Prescaler"
	depends on SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE && CLOCK_STM32_SYSCLK_SRC_PLL
	default 1
	range 1 16
	help
	 PREDIV1 is PLL clock signal prescaler, allowed values: 1 - 16.

config CLOCK_STM32_PLL2_MULTIPLIER
	int "PLL2 multiplier"
	depends on SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE && CLOCK_STM32_PLL_SRC_PLL2
	default 8
	range 8 20
	help
	 PLL2 multiplier, allowed values: 8 - 20. 15-17-18-19 reserved

config CLOCK_STM32_PLL2_PREDIV2
	int "PREDIV2 Prescaler"
	depends on SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE && CLOCK_STM32_PLL_SRC_PLL2
	default 1
	range 1 16
	help
	 PREDIV2 is PLL2 prescaler, allowed values: 1 - 16.

endif # SOC_SERIES_STM32F1X