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+.\"-
+.\" Copyright (c) 2017 Emmanuel Vadot <manu@freebsd.org>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd Dec 25, 2017
+.Dt AW_RTC 4
+.Os
+.Sh NAME
+.Nm aw_rtc
+.Nd driver for the RTC controller in Allwinner SoC
+.Sh DESCRIPTION
+The
+.Nm
+device driver provides support for the Allwinner RTC controller.
+.Sh HARDWARE
+The current version of the
+.Nm
+driver supports the RTC controller with one of the following compatible
+strings :
+.Pp
+.Bl -bullet -compact
+.It
+allwinner,sun4i-a10-rtc
+.It
+allwinner,sun7i-a20-rtc
+.It
+allwinner,sun6i-a31-rtc
+.El
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Fx 11.0 .
+.Sh AUTHORS
+The
+.Nm
+device driver was written by
+.An Vladimir Belian Aq Mt fate10@gmail.com .
+This manual page was written by
+.An Emmanuel Vadot Aq Mt manu@freebsd.org .