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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | # 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 |