Index: head/share/man/man4/jedec_dimm.4
===================================================================
--- head/share/man/man4/jedec_dimm.4
+++ head/share/man/man4/jedec_dimm.4
@@ -163,6 +163,9 @@
 dev.jedec_dimm.6.type: DDR4
 .Ed
 .Sh COMPATIBILITY
+.Nm
+implements a superset of the functionality of
+.Xr jedec_ts 4 .
 Hints for
 .Xr jedec_ts 4
 can be mechanically converted for use with
Index: head/share/man/man4/jedec_ts.4
===================================================================
--- head/share/man/man4/jedec_ts.4
+++ head/share/man/man4/jedec_ts.4
@@ -63,6 +63,18 @@
 .Cd hint.jedec_ts.7.at="smbus0"
 .Cd hint.jedec_ts.7.addr="0x3E"
 .Ed
+.Sh DEPRECATION NOTICE
+The
+.Nm
+driver is not present in
+.Fx 12.0
+and later.
+A superset of its functionality is available in the
+.Xr jedec_dimm 4
+driver.
+That driver's manpage includes instructions on updating
+.Pa /boot/device.hints
+accordingly.
 .Sh DESCRIPTION
 The
 .Nm
Index: head/sys/dev/jedec_ts/jedec_ts.c
===================================================================
--- head/sys/dev/jedec_ts/jedec_ts.c
+++ head/sys/dev/jedec_ts/jedec_ts.c
@@ -247,6 +247,9 @@
 	    CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, 0,
 	    ts_temp_sysctl, "IK4", "Current temperature");
 
+	gone_in_dev(dev, 12,
+	    "jedec_ts(4) driver; see COMPATIBILITY section of jedec_dimm(4)");
+
 	return (0);
 }