# STM32 MCU clock control driver config

# Copyright (c) 2017 Linaro
# Copyright (c) 2017 RnDity Sp. z o.o.
# SPDX-License-Identifier: Apache-2.0

menuconfig CLOCK_CONTROL_STM32_CUBE
	bool "STM32 Reset & Clock Control"
	depends on SOC_FAMILY_STM32
	select USE_STM32_LL_UTILS
	select USE_STM32_LL_RCC if (SOC_SERIES_STM32MP1X || SOC_SERIES_STM32H7X)
	help
	  Enable driver for Reset & Clock Control subsystem found
	  in STM32 family of MCUs

if CLOCK_CONTROL_STM32_CUBE

DT_STM32_HSE_CLOCK := $(dt_nodelabel_path,clk_hse)
DT_STM32_HSE_CLOCK_FREQ := $(dt_node_int_prop_int,$(DT_STM32_HSE_CLOCK),clock-frequency)
DT_COMPAT_ST_MUX_CLOCK := st,stm32-clock-mux

config CLOCK_STM32_HSE_CLOCK
	int "HSE clock value"
	default "$(DT_STM32_HSE_CLOCK_FREQ)" if "$(dt_nodelabel_enabled,clk_hse)"
	default 8000000
	help
	  Value of external high-speed clock (HSE). This symbol could be optionally
	  configured using device tree by setting "clock-frequency" value of clk_hse
	  node. For instance:
	  &clk_hse{
	  status = "okay";
	  clock-frequency = <DT_FREQ_M(25)>;
	  };
	  Note: Device tree configuration is overridden when current symbol is set:
	  CONFIG_CLOCK_STM32_HSE_CLOCK=32000000

config CLOCK_STM32_MUX
	bool "STM32 clock mux driver"
	default $(dt_compat_enabled,$(DT_COMPAT_ST_MUX_CLOCK))
	help
	  Enable driver for STM32 clock mux which don't match an
	  existing clock hardware block but allows to select a clock
	  for a specific domain. For instance per_ck clock on STM32H7 or
	  CLK48 clock

# Micro-controller Clock output configuration options

choice
	prompt "STM32 MCO1 Clock Source"
	default CLOCK_STM32_MCO1_SRC_NOCLOCK

config CLOCK_STM32_MCO1_SRC_NOCLOCK
	bool "NOCLOCK"
	help
	  MCO1 output disabled, no clock on MCO1

config CLOCK_STM32_MCO1_SRC_LSE
	bool "LSE"
	depends on SOC_SERIES_STM32F4X
	help
	  Use LSE as source of MCO1

config CLOCK_STM32_MCO1_SRC_HSE
	bool "HSE"
	depends on SOC_SERIES_STM32F4X
	help
	  Use HSE as source of MCO1

config CLOCK_STM32_MCO1_SRC_HSI
	bool "HSI"
	depends on SOC_SERIES_STM32F4X
	help
	  Use HSI as source of MCO1

config CLOCK_STM32_MCO1_SRC_PLLCLK
	bool "PLLCLK"
	depends on SOC_SERIES_STM32F4X
	help
	  Use PLLCLK as source of MCO1

endchoice

config CLOCK_STM32_MCO1_DIV
	int "MCO1 prescaler"
	depends on !CLOCK_STM32_MCO1_SRC_NOCLOCK
	default 1
	range 1   5
	help
	  allowed values: 1, 2, 3, 4, 5

choice
	prompt "STM32 MCO2 Clock Source"
	default CLOCK_STM32_MCO2_SRC_NOCLOCK

config CLOCK_STM32_MCO2_SRC_NOCLOCK
	bool "NOCLOCK"
	help
	  MCO2 output disabled, no clock on MCO2

config CLOCK_STM32_MCO2_SRC_SYSCLK
	bool "SYSCLK"
	depends on SOC_SERIES_STM32F4X
	help
	  Use SYSCLK as source of MCO2

config CLOCK_STM32_MCO2_SRC_PLLI2S
	bool "PLLI2S"
	depends on SOC_SERIES_STM32F4X
	help
	  Use PLLI2S as source of MCO2

config CLOCK_STM32_MCO2_SRC_HSE
	bool "HSE"
	depends on SOC_SERIES_STM32F4X
	help
	  Use HSE as source of MCO2

config CLOCK_STM32_MCO2_SRC_PLLCLK
	bool "PLLCLK"
	depends on SOC_SERIES_STM32F4X
	help
	  Use PLLCLK as source of MCO2

endchoice

config CLOCK_STM32_MCO2_DIV
	int "MCO2 prescaler"
	depends on !CLOCK_STM32_MCO2_SRC_NOCLOCK
	default 1
	range 1 5
	help
	  allowed values: 1, 2, 3, 4, 5

endif # CLOCK_CONTROL_STM32_CUBE