1.\" $OpenBSD: sxipio.4,v 1.1 2018/03/31 03:22:34 jsg Exp $ 2.\" 3.\" Copyright (c) 2014 Raphael Graf <r@undefined.ch> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: March 31 2018 $ 18.Dt SXIPIO 4 19.Os 20.Sh NAME 21.Nm sxipio 22.Nd Allwinner GPIO controller 23.Sh SYNOPSIS 24.Cd "sxipio* at fdt? early 1" 25.Cd "gpio* at sxipio?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides support for the GPIO controller integrated in Allwinner 30Technology A10, A10s, A13, A20, A23, A33, A64, A80, GR8, H3, H5 and R40 SoCs. 31The devices have several ports for multi-functional pins which can be configured 32as either inputs or outputs, and accessed using 33.Xr gpioctl 8 . 34.\" Both values are made available through the 35.\" .Xr sysctl 8 36.\" interface. 37.Sh SEE ALSO 38.Xr gpio 4 , 39.Xr gpioctl 8 40.Sh HISTORY 41The 42.Nm 43driver first appeared in 44.Ox 5.5 . 45