1.\" Copyright (c) 2017 The FreeBSD Foundation 2.\" 3.\" This documentation was written by Landon Fuller under sponsorship from 4.\" the FreeBSD Foundation. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd October 16, 2017 28.Dt BHND_PMU 4 29.Os 30.Sh NAME 31.Nm bhnd_pmu 32.Nd Broadcom Home Networking Division PMU Driver 33.Sh SYNOPSIS 34To compile this driver into the kernel, add this line to the 35kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device bhnd" 38.Ed 39.Pp 40To load the driver as a module at boot, add this line to 41.Xr loader.conf 5 : 42.Bd -literal -offset indent 43bhnd_load="YES" 44.Ed 45.Sh DESCRIPTION 46The 47.Nm 48driver supports the Power Management Unit (PMU) found in Broadcom Home 49Networking Division network chipsets and embedded systems. 50.Pp 51The PMU provides a hardware interface for managing the device's clock and power 52topology. 53.Sh SEE ALSO 54.Xr bhnd 4 , 55.Xr intro 4 56.Sh HISTORY 57The 58.Nm 59device driver first appeared in 60.Fx 12.0 . 61.Sh AUTHORS 62.An -nosplit 63The 64.Nm 65driver was derived from Broadcom's ISC-licensed Linux PMU drivers, and was 66ported to 67.Fx 68and 69.Xr bhnd 4 70by 71.An Landon Fuller Aq Mt landonf@FreeBSD.org . 72