Help¶

This option selects High Precision Event Timer (HPET) as a system timer.

Direct dependencies¶

SOC_APOLLO_LAKE || SOC_ELKHART_LAKE || X86

(Includes any dependencies from ifs and menus.)

Defaults¶

y
y

Symbols selected by this symbol¶

Kconfig definitions¶

At <Zephyr>/soc/x86/apollo_lake/Kconfig.defconfig:15

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:19 → <BuildDir>/Kconfig/Kconfig.soc.defconfig:1

Menu path: (Top)

config HPET_TIMER
    bool
    default y
    depends on SOC_APOLLO_LAKE

At <Zephyr>/soc/x86/elkhart_lake/Kconfig.defconfig:15

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:19 → <BuildDir>/Kconfig/Kconfig.soc.defconfig:1

Menu path: (Top)

config HPET_TIMER
    bool
    default y
    depends on SOC_ELKHART_LAKE

At <Zephyr>/drivers/timer/Kconfig:54

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:32 → <Zephyr>/drivers/Kconfig:28

Menu path: (Top) → Device Drivers → Timer Drivers

config HPET_TIMER
    bool "HPET timer"
    select IOAPIC if X86
    select LOAPIC if X86
    select TIMER_READS_ITS_FREQUENCY_AT_RUNTIME
    select TICKLESS_CAPABLE
    depends on X86
    help
      This option selects High Precision Event Timer (HPET) as a
      system timer.

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