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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 | # 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) 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 y depends on DT_HAS_ST_STM32_CLOCK_MUX_ENABLED 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_EXT_HSE bool "EXT_HSE" depends on SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE help Use EXT_HSE as source of MCO1 config CLOCK_STM32_MCO1_SRC_LSE bool "LSE" depends on SOC_SERIES_STM32F4X || \ SOC_SERIES_STM32F7X || \ SOC_SERIES_STM32L4X help Use LSE as source of MCO1 config CLOCK_STM32_MCO1_SRC_HSE bool "HSE" depends on SOC_SERIES_STM32F1X || \ SOC_SERIES_STM32F4X || \ SOC_SERIES_STM32F7X || \ SOC_SERIES_STM32L4X help Use HSE as source of MCO1 config CLOCK_STM32_MCO1_SRC_LSI bool "LSI" depends on SOC_SERIES_STM32L4X help Use LSI as source of MCO1 config CLOCK_STM32_MCO1_SRC_MSI bool "MSI" depends on SOC_SERIES_STM32L4X help Use MSI as source of MCO1 config CLOCK_STM32_MCO1_SRC_HSI bool "HSI" depends on SOC_SERIES_STM32F1X || SOC_SERIES_STM32F4X || SOC_SERIES_STM32F7X help Use HSI as source of MCO1 config CLOCK_STM32_MCO1_SRC_HSI16 bool "HSI16" depends on SOC_SERIES_STM32L4X help Use HSI16 as source of MCO1 config CLOCK_STM32_MCO1_SRC_HSI48 bool "HSI48" depends on SOC_SERIES_STM32L4X help Use HSI48 as source of MCO1 config CLOCK_STM32_MCO1_SRC_PLLCLK bool "PLLCLK" depends on SOC_SERIES_STM32F4X || SOC_SERIES_STM32F7X || SOC_SERIES_STM32L4X help Use PLLCLK as source of MCO1 config CLOCK_STM32_MCO1_SRC_PLLCLK_DIV2 bool "PLLCLK_DIV2" depends on SOC_SERIES_STM32F1X help Use PLLCLK/2 as source of MCO1 config CLOCK_STM32_MCO1_SRC_PLL2CLK bool "PLL2CLK" depends on SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE help Use PLL2CLK as source of MCO1 config CLOCK_STM32_MCO1_SRC_PLLI2SCLK bool "PLLI2SCLK" depends on SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE help Use PLLI2SCLK as source of MCO1 config CLOCK_STM32_MCO1_SRC_PLLI2SCLK_DIV2 bool "PLLI2SCLK_DIV2" depends on SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE help Use PLLI2SCLK/2 as source of MCO1 config CLOCK_STM32_MCO1_SRC_SYSCLK bool "SYSCLK" depends on SOC_SERIES_STM32F1X || SOC_SERIES_STM32L4X help Use SYSCLK as source of MCO1 endchoice config CLOCK_STM32_MCO1_DIV int "MCO1 prescaler" depends on !CLOCK_STM32_MCO1_SRC_NOCLOCK && (\ SOC_SERIES_STM32F4X || \ SOC_SERIES_STM32F7X || \ SOC_SERIES_STM32L4X \ ) default 1 range 1 5 if SOC_SERIES_STM32F4X || SOC_SERIES_STM32F7X range 1 16 if SOC_SERIES_STM32L4X help Prescaler for MCO1 output clock 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 || SOC_SERIES_STM32F7X help Use SYSCLK as source of MCO2 config CLOCK_STM32_MCO2_SRC_PLLI2S bool "PLLI2S" depends on SOC_SERIES_STM32F4X || SOC_SERIES_STM32F7X help Use PLLI2S as source of MCO2 config CLOCK_STM32_MCO2_SRC_HSE bool "HSE" depends on SOC_SERIES_STM32F4X || SOC_SERIES_STM32F7X help Use HSE as source of MCO2 config CLOCK_STM32_MCO2_SRC_PLLCLK bool "PLLCLK" depends on SOC_SERIES_STM32F4X || SOC_SERIES_STM32F7X 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 |