diff -drupN a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
--- a/drivers/clocksource/Kconfig	2017-10-21 18:09:07.000000000 +0300
+++ b/drivers/clocksource/Kconfig	2022-06-09 05:02:28.000000000 +0300
@@ -327,4 +327,15 @@ config CLKSRC_ST_LPC
 	  Enable this option to use the Low Power controller timer
 	  as clocksource.
 
+config CLKSRC_INGENIC_SYS_OST
+	bool
+	select CLKSRC_OF
+
+config CLKSRC_INGENIC_CORE_OST
+	bool
+	select CLKSRC_OF
+	help
+	  core sys ost for ingenic xburst2 based SOCs. each cpu has
+	  an ost and all cpu shares a global clocksource.
+
 endmenu