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.\" $FreeBSD$ 28.\" 29.Dd October 16, 2017 30.Dt BHND_PMU 4 31.Os 32.Sh NAME 33.Nm bhnd_pmu 34.Nd Broadcom Home Networking Division PMU Driver 35.Sh SYNOPSIS 36To compile this driver into the kernel, add this line to the 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device bhnd" 40.Ed 41.Pp 42To load the driver as a module at boot, add this line to 43.Xr loader.conf 5 : 44.Bd -literal -offset indent 45bhnd_load="YES" 46.Ed 47.Sh DESCRIPTION 48The 49.Nm 50driver supports the Power Management Unit (PMU) found in Broadcom Home 51Networking Division network chipsets and embedded systems. 52.Pp 53The PMU provides a hardware interface for managing the device's clock and power 54topology. 55.Sh SEE ALSO 56.Xr bhnd 4 , 57.Xr intro 4 58.Sh HISTORY 59The 60.Nm 61device driver first appeared in 62.Fx 12.0 . 63.Sh AUTHORS 64.An -nosplit 65The 66.Nm 67driver was derived from Broadcom's ISC-licensed Linux PMU drivers, and was 68ported to 69.Fx 70and 71.Xr bhnd 4 72by 73.An Landon Fuller Aq Mt landonf@FreeBSD.org . 74