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CONFIG_CLOCK_STM32_PLL_P_DIVISOR
¶
PLL division factor for main system clock
PLL division factor for main system clock
PLL P Divisor
Type: int
Help¶
PLLP division factor needs to be set correctly to not exceed 120MHz. Allowed values: 2, 4, 6, 8
Help¶
PLLP division factor needs to be set correctly to not exceed 84MHz. Allowed values: 2, 4, 6, 8
Help¶
PLL P Output divisor, allowed values: 0, 7, 17.
Direct dependencies¶
(CLOCK_STM32_PLL_SRC_HSI
&& CLOCK_STM32_SYSCLK_SRC_PLL
&& BOARD_DISCO_L475_IOT1
) || (CLOCK_STM32_SYSCLK_SRC_PLL
&& SOC_SERIES_STM32F2X
&& CLOCK_CONTROL_STM32_CUBE
&& SOC_FAMILY_STM32
&& CLOCK_CONTROL
) || (CLOCK_STM32_SYSCLK_SRC_PLL
&& (SOC_SERIES_STM32F4X
|| SOC_SERIES_STM32F7X
) && CLOCK_CONTROL_STM32_CUBE
&& SOC_FAMILY_STM32
&& CLOCK_CONTROL
) || (CLOCK_STM32_SYSCLK_SRC_PLL
&& SOC_SERIES_STM32L4X
&& CLOCK_CONTROL_STM32_CUBE
&& SOC_FAMILY_STM32
&& CLOCK_CONTROL
)
(Includes any dependencies from if’s and menus.)
Defaults¶
- 7 if
CLOCK_STM32_PLL_SRC_HSI
&&CLOCK_STM32_SYSCLK_SRC_PLL
&&BOARD_DISCO_L475_IOT1
- 2 if
CLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32F2X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
- 4 if
CLOCK_STM32_SYSCLK_SRC_PLL
&& (SOC_SERIES_STM32F4X
||SOC_SERIES_STM32F7X
) &&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
- 7 if
CLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32L4X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
Kconfig definitions¶
At boards/arm/disco_l475_iot1/Kconfig.defconfig:49
Included via Kconfig:10
→ Kconfig.zephyr:19
Menu path: (top menu)
config CLOCK_STM32_PLL_P_DIVISOR int default 7 ifCLOCK_STM32_PLL_SRC_HSI
&&CLOCK_STM32_SYSCLK_SRC_PLL
&&BOARD_DISCO_L475_IOT1
depends onCLOCK_STM32_PLL_SRC_HSI
&&CLOCK_STM32_SYSCLK_SRC_PLL
&&BOARD_DISCO_L475_IOT1
At drivers/clock_control/Kconfig.stm32:218
Included via Kconfig:10
→ Kconfig.zephyr:29
→ drivers/Kconfig:54
→ drivers/clock_control/Kconfig:45
Menu path: (top menu) → Device Drivers → Hardware clock controller support → STM32 Reset & Clock Control
config CLOCK_STM32_PLL_P_DIVISOR int prompt "PLL division factor for main system clock" ifCLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32F2X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
range 2 8 ifCLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32F2X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
default 2 ifCLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32F2X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
depends onCLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32F2X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
help PLLP division factor needs to be set correctly to not exceed 120MHz. Allowed values: 2, 4, 6, 8
At drivers/clock_control/Kconfig.stm32:283
Included via Kconfig:10
→ Kconfig.zephyr:29
→ drivers/Kconfig:54
→ drivers/clock_control/Kconfig:45
Menu path: (top menu) → Device Drivers → Hardware clock controller support → STM32 Reset & Clock Control
config CLOCK_STM32_PLL_P_DIVISOR int prompt "PLL division factor for main system clock" ifCLOCK_STM32_SYSCLK_SRC_PLL
&& (SOC_SERIES_STM32F4X
||SOC_SERIES_STM32F7X
) &&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
range 2 8 ifCLOCK_STM32_SYSCLK_SRC_PLL
&& (SOC_SERIES_STM32F4X
||SOC_SERIES_STM32F7X
) &&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
default 4 ifCLOCK_STM32_SYSCLK_SRC_PLL
&& (SOC_SERIES_STM32F4X
||SOC_SERIES_STM32F7X
) &&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
depends onCLOCK_STM32_SYSCLK_SRC_PLL
&& (SOC_SERIES_STM32F4X
||SOC_SERIES_STM32F7X
) &&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
help PLLP division factor needs to be set correctly to not exceed 84MHz. Allowed values: 2, 4, 6, 8
At drivers/clock_control/Kconfig.stm32:345
Included via Kconfig:10
→ Kconfig.zephyr:29
→ drivers/Kconfig:54
→ drivers/clock_control/Kconfig:45
Menu path: (top menu) → Device Drivers → Hardware clock controller support → STM32 Reset & Clock Control
config CLOCK_STM32_PLL_P_DIVISOR int prompt "PLL P Divisor" ifCLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32L4X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
range 0 17 ifCLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32L4X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
default 7 ifCLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32L4X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
depends onCLOCK_STM32_SYSCLK_SRC_PLL
&&SOC_SERIES_STM32L4X
&&CLOCK_CONTROL_STM32_CUBE
&&SOC_FAMILY_STM32
&&CLOCK_CONTROL
help PLL P Output divisor, allowed values: 0, 7, 17.
(Definitions include propagated dependencies, including from if’s and menus.)