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-rw-r--r--doc/develop/driver-model/migration.rst12
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/develop/driver-model/migration.rst b/doc/develop/driver-model/migration.rst
index 3dbeea6537..10f474e9cd 100644
--- a/doc/develop/driver-model/migration.rst
+++ b/doc/develop/driver-model/migration.rst
@@ -106,3 +106,15 @@ Deadline: 2022.10
This is a legacy option which has been replaced by driver model.
Maintainers should submit patches switching over to using CONFIG_DM_KEYBOARD and
other base driver model options in time for inclusion in the 2022.10 release.
+
+CONFIG_SYS_TIMER_RATE and CONFIG_SYS_TIMER_COUNTER
+--------------------------------------------------
+Deadline: 2023.01
+
+These are legacy options which have been replaced by driver model.
+Maintainers should submit patches switching over to using CONFIG_TIMER and
+other base driver model options in time for inclusion in the 2022.10 release.
+
+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