add smtpinctrl(4); ok kettenis@

share/man/man4/man4.riscv64/Makefile

@@ -1,8 +1,8 @@
-#	$OpenBSD: Makefile,v 1.17 2026/04/06 21:49:50 kettenis Exp $
+#	$OpenBSD: Makefile,v 1.18 2026/04/13 09:25:26 jsg Exp $
 
 MAN=	intro.4 mpfclock.4 mpfgpio.4 mpfiic.4 plic.4 \
 	sfcc.4 sfclock.4 sfgpio.4 sfuart.4 sgmsi.4 \
-	smtclock.4 smtcomphy.4 smtgpio.4 smtiic.4 smtpmic.4 \
+	smtclock.4 smtcomphy.4 smtgpio.4 smtiic.4 smtpinctrl.4 smtpmic.4 \
 	stfclock.4 stfpcie.4 stfpciephy.4 stfpinctrl.4 stfrng.4
 
 MANSUBDIR=riscv64

share/man/man4/man4.riscv64/smtpinctrl.4

@@ -0,0 +1,42 @@
+.\"	$OpenBSD: smtpinctrl.4,v 1.1 2026/04/13 09:25:26 jsg Exp $
+.\"
+.\" Copyright (c) 2022 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: April 13 2026 $
+.Dt SMTPINCTRL 4 riscv64
+.Os
+.Sh NAME
+.Nm smtpinctrl
+.Nd SpacemiT K1 pin configuration
+.Sh SYNOPSIS
+.Cd "smtpinctrl* at fdt?"
+.Sh DESCRIPTION
+The
+.Nm
+driver uses pin control data from the device tree to configure
+pins on the SpacemiT K1 SoC.
+.Sh SEE ALSO
+.Xr intro 4
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Ox 7.9 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Mark Kettenis Aq Mt kettenis@openbsd.org .