:orphan:

.. title:: HPET_TIMER

.. option:: CONFIG_HPET_TIMER

*HPET timer*

Type: ``bool``

Help
====

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

Direct dependencies
===================

\ :option:`SOC_APOLLO_LAKE <CONFIG_SOC_APOLLO_LAKE>` || \ :option:`SOC_ELKHART_LAKE <CONFIG_SOC_ELKHART_LAKE>` || \ :option:`X86 <CONFIG_X86>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

- y
- y

Symbols selected by this symbol
===============================

- \ :option:`IOAPIC <CONFIG_IOAPIC>` if \ :option:`X86 <CONFIG_X86>`
- \ :option:`LOAPIC <CONFIG_LOAPIC>` if \ :option:`X86 <CONFIG_X86>`
- \ :option:`TIMER_READS_ITS_FREQUENCY_AT_RUNTIME <CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME>`
- \ :option:`TICKLESS_CAPABLE <CONFIG_TICKLESS_CAPABLE>`

Kconfig definitions
===================

.. highlight:: kconfig

At ``soc/x86/apollo_lake/Kconfig.defconfig:15``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:19`` → ``/home/runner/work/bridle/bridle/workspace/build/Kconfig/Kconfig.soc.defconfig:1``

Menu path: (Top)

.. parsed-literal::

    config HPET_TIMER
    	bool
    	default y
    	depends on \ :option:`SOC_APOLLO_LAKE <CONFIG_SOC_APOLLO_LAKE>`

----

At ``soc/x86/elkhart_lake/Kconfig.defconfig:15``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:19`` → ``/home/runner/work/bridle/bridle/workspace/build/Kconfig/Kconfig.soc.defconfig:1``

Menu path: (Top)

.. parsed-literal::

    config HPET_TIMER
    	bool
    	default y
    	depends on \ :option:`SOC_ELKHART_LAKE <CONFIG_SOC_ELKHART_LAKE>`

----

At ``drivers/timer/Kconfig:54``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``drivers/Kconfig:28``

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

.. parsed-literal::

    config HPET_TIMER
    	bool "HPET timer"
    	select \ :option:`IOAPIC <CONFIG_IOAPIC>` if \ :option:`X86 <CONFIG_X86>`
    	select \ :option:`LOAPIC <CONFIG_LOAPIC>` if \ :option:`X86 <CONFIG_X86>`
    	select \ :option:`TIMER_READS_ITS_FREQUENCY_AT_RUNTIME <CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME>`
    	select \ :option:`TICKLESS_CAPABLE <CONFIG_TICKLESS_CAPABLE>`
    	depends on \ :option:`X86 <CONFIG_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.)*