:orphan:

.. title:: PM

.. option:: CONFIG_PM

*System Power management*

Type: ``bool``

Help
====

This option enables the board to implement extra power management
policies whenever the kernel becomes idle. The kernel informs the
power management subsystem of the number of ticks until the next kernel
timer is due to expire.

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

(\ :option:`SOC_POWER_MANAGEMENT <CONFIG_SOC_POWER_MANAGEMENT>` && \ :option:`SOC_MEC1501_HSZ <CONFIG_SOC_MEC1501_HSZ>` && \ :option:`SOC_SERIES_MEC1501X <CONFIG_SOC_SERIES_MEC1501X>`) || \ :option:`SOC_FAMILY_NRF <CONFIG_SOC_FAMILY_NRF>` || (\ :option:`SYS_CLOCK_EXISTS <CONFIG_SYS_CLOCK_EXISTS>` && !\ :option:`HAS_NO_SYS_PM <CONFIG_HAS_NO_SYS_PM>`)

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

Defaults
========

- y if \ :option:`SYS_CLOCK_EXISTS <CONFIG_SYS_CLOCK_EXISTS>`
- y if \ :option:`SYS_CLOCK_EXISTS <CONFIG_SYS_CLOCK_EXISTS>` && !\ :option:`HAS_NO_SYS_PM <CONFIG_HAS_NO_SYS_PM>`

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

- \ :option:`TICKLESS_IDLE <CONFIG_TICKLESS_IDLE>`

Symbols that select this symbol
===============================

- \ :option:`IEEE802154_CC13XX_CC26XX <CONFIG_IEEE802154_CC13XX_CC26XX>`
- \ :option:`IEEE802154_CC13XX_CC26XX_SUB_GHZ <CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ>`
- \ :option:`SYS_POWER_MANAGEMENT <CONFIG_SYS_POWER_MANAGEMENT>`

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

.. highlight:: kconfig

At ``soc/arm/microchip_mec/mec1501/Kconfig.defconfig.mec1501hsz:64``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:19`` → ``/home/runner/work/bridle/bridle/workspace/build/Kconfig/Kconfig.soc.defconfig:1`` → ``soc/arm/microchip_mec/Kconfig.defconfig:3`` → ``soc/arm/microchip_mec/mec1501/Kconfig.defconfig.series:17``

Menu path: (Top)

.. parsed-literal::

    config PM
    	bool
    	default y if \ :option:`SYS_CLOCK_EXISTS <CONFIG_SYS_CLOCK_EXISTS>`
    	depends on \ :option:`SOC_POWER_MANAGEMENT <CONFIG_SOC_POWER_MANAGEMENT>` && \ :option:`SOC_MEC1501_HSZ <CONFIG_SOC_MEC1501_HSZ>` && \ :option:`SOC_SERIES_MEC1501X <CONFIG_SOC_SERIES_MEC1501X>`

----

At ``soc/arm/nordic_nrf/Kconfig.defconfig:30``

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 PM
    	bool
    	default y if \ :option:`SYS_CLOCK_EXISTS <CONFIG_SYS_CLOCK_EXISTS>` && !\ :option:`HAS_NO_SYS_PM <CONFIG_HAS_NO_SYS_PM>`
    	depends on \ :option:`SOC_FAMILY_NRF <CONFIG_SOC_FAMILY_NRF>`

----

At ``subsys/power/Kconfig:13``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:39``

Menu path: (Top) → Sub Systems and OS Services → Power Management

.. parsed-literal::

    menuconfig PM
    	bool "System Power management"
    	select \ :option:`TICKLESS_IDLE <CONFIG_TICKLESS_IDLE>`
    	depends on \ :option:`SYS_CLOCK_EXISTS <CONFIG_SYS_CLOCK_EXISTS>` && !\ :option:`HAS_NO_SYS_PM <CONFIG_HAS_NO_SYS_PM>`
    	help
    	  This option enables the board to implement extra power management
    	  policies whenever the kernel becomes idle. The kernel informs the
    	  power management subsystem of the number of ticks until the next kernel
    	  timer is due to expire.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*