Loongson-2 SoC Power Management Controller Driver

modulename: loongson2_pm.ko


Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>Device Tree and Open Firmware support
└─>Loongson-2 SoC Power Management Controller Driver
In linux kernel since version 4.14.327 (release Date: 2023-10-10)  
The Loongson-2's power management controller was ACPI, supports ACPI
S2Idle (Suspend To Idle), ACPI S3 (Suspend To RAM), ACPI S4 (Suspend To
Disk), ACPI S5 (Soft Shutdown) and supports multiple wake-up methods
(USB, GMAC, PWRBTN, etc.). This driver was to add power management
controller support that base on dts for Loongson-2 series SoCs.

source code: