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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
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.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" $FreeBSD$
.\"
.Dd Dec 25, 2017
.Dt AW_GPIO 4
.Os
.Sh NAME
.Nm aw_gpio
.Nd driver for the GPIO and pin muxing functionalities on Allwinner SoC
.Sh SYNOPSIS
.Cd "device gpio"
.Cd "options SOC_ALLWINNER_A10"
.Cd "options SOC_ALLWINNER_A13"
.Cd "options SOC_ALLWINNER_A20"
.Cd "options SOC_ALLWINNER_A31"
.Cd "options SOC_ALLWINNER_A31S"
.Cd "options SOC_ALLWINNER_A33"
.Cd "options SOC_ALLWINNER_A83T"
.Cd "options SOC_ALLWINNER_H2PLUS"
.Cd "options SOC_ALLWINNER_H3"
.Cd "options SOC_ALLWINNER_A64"
.Cd "options SOC_ALLWINNER_H5"
.Sh DESCRIPTION
The
.Nm
device driver provides support for the Allwinner pin muxing and GPIO on
Allwinner SoCs.
.Sh HARDWARE
The current version of the
.Nm
driver supports the GPIO/pinmuxing controller with one of the following
compatible strings :
.Pp
.Bl -bullet -compact
.It
allwinner,sun4i-a10-pinctrl
.It
allwinner,sun5i-a13-pinctrl
.It
allwinner,sun7i-a20-pinctrl
.It
allwinner,sun6i-a31-pinctrl
.It
allwinner,sun6i-a31s-pinctrl
.It
allwinner,sun6i-a31-r-pinctrl
.It
allwinner,sun6i-a33-pinctrl
.It
allwinner,sun8i-a83t-pinctrl
.It
allwinner,sun8i-a83t-r-pinctrl
.It
allwinner,sun8i-h3-pinctrl
.It
allwinner,sun50i-h5-pinctrl
.It
allwinner,sun8i-h3-r-pinctrl
.It
allwinner,sun50i-a64-pinctrl
.It
allwinner,sun50i-a64-r-pinctrl
.El
.Sh SEE ALSO
.Xr fdt 4 ,
.Xr gpio 4
.Sh HISTORY
The
.Nm
device driver first appeared in
.Fx 10.0 .
.Sh AUTHORS
The
.Nm
device driver was originally written by
.An Ganbold Tsagaankhuu Aq Mt ganbold@freebsd.org .
This manual page was written by
.An Emmanuel Vadot Aq Mt manu@freebsd.org .