ROHM BD71828 Power Management IC

modulename: rohm-bd71828.ko

configname: CONFIG_MFD_ROHM_BD71828

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Device Tree and Open Firmware support
└─>ROHM BD71828 Power Management IC
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Select this option to get support for the ROHM BD71828 Power
Management IC. BD71828GW is a single-chip power management IC for
battery-powered portable devices. The IC integrates 7 buck
converters, 7 LDOs, and a 1500 mA single-cell linear charger.
Also included is a Coulomb counter, a real-time clock (RTC), and
a 32.768 kHz clock gate.

source code: