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PWMREG(4) Device Drivers Manual PWMREG(4)

pwmregPWM voltage regulator

pwmreg* at fdt?

The pwmreg driver provides support for voltage regulators that are controlled by a PWM signal.


The pwmreg device driver first appeared in OpenBSD 6.6.

The pwmreg driver was written by Mark Kettenis <>.

September 30, 2019 OpenBSD-current