Summary of ACPI support in Windows

This topic summarizes the subset of Advanced Configuration and Power Interface (ACPI) 5.0 features that are required to support Windows on SoC-based platforms.

FeatureSection of ACPI 5.0 specificationNotes
System description tables5.2.5Root System Description Pointer (RSDP)
5.2.7, 5.2.8Either of Root (RSDT) or Extended (XSDT) System Description Tables
5.2.9Fixed ACPI Description Table (FADT)
5.2.12Multiple APIC Description Table (MADT)
5.2.24Generic Timer Description Table (GTDT)
5.2.6 (Specification is here.)Core System Resources Table (CSRT)
5.2.6 (Specification is here.)Debug Port Table 2 (DBG2)
5.2.11.1Differentiated System Description Table (DSDT)
5.2.11.2Secondary System Description Table (SSDT)
Device management6.1Device Identification Objects
6.2Device Configuration Objects
GPIO5.6.5.1GPIO controller devices
5.6.5GPIO-signaled ACPI events
6.4.3.8.1, 19.5.53, 19.5.54GPIO resource descriptors and macros
5.5.2.4.4GeneralPurposeIO OpRegions
Simple peripheral bus (SPB)6.4.3.8.2, 19.5.55, 19.5.118, 19.5.134SPB resource descriptors and macros
GenericSerialBus OpRegions
Device power management3.3
7.1Power Resources
7.2Device Power Management Objects
ACPI-defined devices9.0, 10
9.5Control Method Power Button
9.4Control Method Lid Device
10.2Control Method Battery device
9.18Control Method Time and Alarm device
11Thermal Zones
Device-specific support8.4Processors
Appendix BDisplays
6.1.8, 9.13USB
SD bus
Cameras
HID-over-I2C devices
3.2.1, 4.8.2.2.1.2, 4.8.2.2.1.3Buttons
Dock and convertible PC sensors

 

 

 

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