The producer is the device generating the regulated voltage or current. The name of such a device is PMIC and it can be used for power sequencing, battery management, DC-to-DC conversion, or simple power switches (on/off). It regulates the output power from the input power, with the help of (and under) software control.
It deals with regulator drivers, and especially the producer PMIC side, which requires a few headers:
#include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/of_regulator.h>
