Help

Selects the clock that the main clocks, such as the CPU
clock and AHB clock, will be derived from.

Direct dependencies

(SOC_SERIES_SAMD20 || SOC_SERIES_SAMD21 || SOC_SERIES_SAMR21) && SOC_FAMILY_SAM0

(Includes any dependencies from ifs and menus.)

Defaults

No defaults. Implicitly defaults to the first (visible) choice option.

Choice options

Kconfig definition

At <Zephyr>/soc/arm/atmel_sam0/common/Kconfig.samd2x:17

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:38 → <Zephyr>/soc/Kconfig:15 → <nRF>/doc/_build/kconfig/Kconfig.soc.arch:2 → <Zephyr>/soc/arm/atmel_sam0/Kconfig:16

Menu path: (Top) → Hardware Configuration

choice
    bool "Main clock source"
    depends on (SOC_SERIES_SAMD20 || SOC_SERIES_SAMD21 || SOC_SERIES_SAMR21) && SOC_FAMILY_SAM0
    help
      Selects the clock that the main clocks, such as the CPU
      clock and AHB clock, will be derived from.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)