1.\" $OpenBSD: gpiocharger.4,v 1.1 2021/09/25 18:40:07 kn Exp $ 2.\" 3.\" Copyright (c) 2021 Klemens Nanni <kn@openbsd.org> 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: September 25 2021 $ 18.Dt GPIOCHARGER 4 19.Os 20.Sh NAME 21.Nm gpiocharger 22.Nd GPIO battery charger 23.Sh SYNOPSIS 24.Cd "gpiocharger* at fdt?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for battery chargers connected to GPIO pins. 29Currently, only power supply status events are supported. 30.Pp 31The power supply status (connected or disconnected) is set up as a sensor 32and can be monitored using 33.Xr sysctl 8 34or 35.Xr sensorsd 8 . 36.Sh SEE ALSO 37.Xr gpio 4 , 38.Xr intro 4 , 39.Xr sensorsd 8 , 40.Xr sysctl 8 41.Sh HISTORY 42The 43.Nm 44driver first appeared in 45.Ox 7.1 . 46.Sh AUTHORS 47.An -nosplit 48The 49.Nm 50driver was written by 51.An Klemens Nanni Aq Mt kn@openbsd.org . 52