0b8ea57a55
Add a driver that match on 'rockchip,gpio-bank', this compatible string is found on almost all RockChip SoC so this driver is compatible with almost all of the RockChip SoCs. The only features missing for this driver are : - Interrupts support - Debouncing
64 lines
2.0 KiB
Groff
64 lines
2.0 KiB
Groff
.\"-
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.\" Copyright (c) 2018 Emmanuel Vadot <manu@freebsd.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd Apr 26, 2018
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.Dt RK_GPIO 4
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.Os
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.Sh NAME
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.Nm rk_gpio
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.Nd driver for the gpio controller on RockChip SoCs
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.Sh SYNOPSIS
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.Cd "options SOC_ROCKCHIP_RK3328"
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.Sh DESCRIPTION
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The
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.Nm
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device driver provides support for the gpio controller device present
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on RockChip SoC.
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.Sh HARDWARE
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The current version of the
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.Nm
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driver supports the gpio banks with one of the following
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compatible strings :
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.Pp
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.Bl -bullet -compact
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.It
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rockchip,gpio-bank
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.El
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.Sh SEE ALSO
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.Xr gpiobus 4 ,
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.Xr gpioctl 8 ,
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Fx 12.0 .
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.Sh AUTHORS
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The
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.Nm
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device driver and manpage was written by
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.An Emmanuel Vadot Aq Mt manu@freebsd.org .
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