dm: serial: Add a migration deadline for serial
This probably should have been done a while back since it is a core
system. Very few boards remain to be migrated.
Addd a migration deadline for a year out.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/Makefile b/Makefile
index 10879f1..2121245 100644
--- a/Makefile
+++ b/Makefile
@@ -1133,6 +1133,7 @@
@# confuses this rule. Use if() to send just a single character which
@# is enable to tell 'deprecated' that one of these symbols exists
$(call deprecated,CONFIG_TIMER,Timer drivers,v2023.01,$(if $(strip $(CONFIG_SYS_TIMER_RATE)$(CONFIG_SYS_TIMER_COUNTER)),x))
+ $(call deprecated,CONFIG_DM_SERIAL,Serial drivers,v2023.04,$(CONFIG_SERIAL))
@# Check that this build does not use CONFIG options that we do not
@# know about unless they are in Kconfig. All the existing CONFIG
@# options are whitelisted, so new ones should not be added.
diff --git a/doc/develop/driver-model/migration.rst b/doc/develop/driver-model/migration.rst
index 10f474e..5a60436 100644
--- a/doc/develop/driver-model/migration.rst
+++ b/doc/develop/driver-model/migration.rst
@@ -118,3 +118,11 @@
There is only one method to implement, unless you want to support bootstage,
in which case you need an early timer also. For example drivers, see
sandbox_timer.c and rockchip_timer.c
+
+CONFIG_DM_SERIAL
+----------------
+Deadline: 2023.04
+
+The serial subsystem has supported the driver model since late 2014.
+Maintainers should submit patches switching over to using CONFIG_DM_SERIAL and
+other base driver model options in time for inclusion in the 2022.10 release.