Richtek RT4803 boost regualtor

modulename: rt4803.ko

configname: CONFIG_REGULATOR_RT4803

Linux Kernel Configuration
└─>Device Drivers
└─>Voltage and Current Regulator Support
└─>Richtek RT4803 boost regualtor
In linux kernel since version 6.4 (release Date: 2023-06-25)  
This adds support for RT4803 boost converter that integrates the
bypass switch. If the input voltage is low than the required voltage,
RT4803 will enter boost mode. Otherwise, enable internal bypass
switch to enter bypass mode.

source code: