Apple SoC PMGR power state control

modulename: apple-pmgr-pwrstate.ko

configname: CONFIG_APPLE_PMGR_PWRSTATE

Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>Apple SoC drivers
└─>Apple SoC PMGR power state control
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
The PMGR block in Apple SoCs provides high-level power state
controls for SoC devices. This driver manages them through the
generic power domain framework, and also provides reset support.

source code: