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- config RT_USING_PM
- bool "Using Power Management device drivers"
- default n
- help
- Enable the system-level power management framework which coordinates
- suspend/resume, tickless idle, and device low-power states. Required when
- implementing sleep modes beyond simple tick suppression.
- if RT_USING_PM
- config PM_TICKLESS_THRESHOLD_TIME
- int "PM tickless threashold time"
- default 2
- help
- Minimum idle duration (in milliseconds) before the PM core enters
- tickless mode. Tune based on wake-up latency vs power savings.
- config PM_USING_CUSTOM_CONFIG
- bool "PM using custom pm config"
- default n
- help
- Allow BSPs to provide custom PM policy hooks instead of the stock
- configuration.
- config PM_ENABLE_DEBUG
- bool "PM Enable Debug"
- default n
- help
- Print suspend/resume decisions and timing for debugging purposes.
- config PM_ENABLE_SUSPEND_SLEEP_MODE
- bool "PM Device suspend change sleep mode"
- default n
- help
- Permit PM to change system sleep mode dynamically when devices
- suspend; requires board support.
- config PM_ENABLE_THRESHOLD_SLEEP_MODE
- bool "PM using threshold time change sleep mode"
- default n
- help
- Automatically select light/deep/standby sleep based on idle time
- thresholds configured below.
- if PM_ENABLE_THRESHOLD_SLEEP_MODE
- config PM_LIGHT_THRESHOLD_TIME
- int "PM light mode threashold time"
- default 5
- help
- Idle time in milliseconds required before entering light sleep.
- config PM_DEEP_THRESHOLD_TIME
- int "PM deep mode threashold time"
- default 20
- help
- Idle duration required before requesting deep sleep.
- config PM_STANDBY_THRESHOLD_TIME
- int "PM standby mode threashold time"
- default 100
- help
- Idle time before transitioning into standby (longest latency)
- mode. Increase if standby exit is expensive.
- endif
- endif
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