1.\"- 2.\" Copyright (c) 2018 Emmanuel Vadot <manu@freebsd.org> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd Apr 26, 2018 29.Dt RK_GRF 4 30.Os 31.Sh NAME 32.Nm rk_grf 33.Nd driver for the General Register Files controller on RockChip SoCs 34.Sh SYNOPSIS 35.Cd "options SOC_ROCKCHIP_rk3328" 36.Sh DESCRIPTION 37The 38.Nm 39device driver provides support for the RockChip General Register Files 40system controller. 41.Sh HARDWARE 42The current version of the 43.Nm 44driver supports the GRF controller with one of the following 45compatible strings : 46.Pp 47.Bl -bullet -compact 48.It 49rockchip,rk3328-grf 50.El 51.Sh HISTORY 52The 53.Nm 54device driver first appeared in 55.Fx 12.0 . 56.Sh AUTHORS 57The 58.Nm 59device driver and manpage was written by 60.An Emmanuel Vadot Aq Mt manu@freebsd.org . 61