.\"	$OpenBSD: rktemp.4,v 1.5 2024/06/12 09:08:43 kettenis Exp $
.\"
.\" Copyright (c) 2016 Mark Kettenis <kettenis@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: June 12 2024 $
.Dt RKTEMP 4
.Os
.Sh NAME
.Nm rktemp
.Nd Rockchip temperature monitor
.Sh SYNOPSIS
.Cd "rktemp* at fdt?"
.Sh DESCRIPTION
The
.Nm
driver provides support for the temperature sensor found on the
Rockchip RK3288, RK3308, RK3328, RK3399 RK356x and RK3588 SoCs.
It configures the SoC to reset itself if the temperature raises above
a certain temperature to protect it from damage caused by overheating.
.Pp
Sensor values are made available through the
.Xr sysctl 8
interface.
.Sh SEE ALSO
.Xr intro 4 ,
.Xr sensorsd 8 ,
.Xr sysctl 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 6.2 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Mark Kettenis Aq Mt kettenis@openbsd.org .