| # 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 |
