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--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -127,6 +127,17 @@ config RDA_TIMER
help
Enables the support for the RDA Micro timer driver.
+config REALTEK_OTTO_TIMER
+ bool "Clocksource/timer for the Realtek Otto platform"
+ select COMMON_CLK
+ select TIMER_OF
+ help
+ This driver adds support for the timers found in the Realtek RTL83xx
+ and RTL93xx SoCs series. This includes chips such as RTL8380, RTL8381
+ and RTL832, as well as chips from the RTL839x series, such as RTL8390
+ RT8391, RTL8392, RTL8393 and RTL8396 and chips of the RTL930x series
+ such as RTL9301, RTL9302 or RTL9303.
+
config SUN4I_TIMER
bool "Sun4i timer driver" if COMPILE_TEST
depends on HAS_IOMEM
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -63,6 +63,7 @@ obj-$(CONFIG_MILBEAUT_TIMER) += timer-mi
obj-$(CONFIG_SPRD_TIMER) += timer-sprd.o
obj-$(CONFIG_NPCM7XX_TIMER) += timer-npcm7xx.o
obj-$(CONFIG_RDA_TIMER) += timer-rda.o
+obj-$(CONFIG_REALTEK_OTTO_TIMER) += timer-rtl-otto.o
obj-$(CONFIG_ARC_TIMERS) += arc_timer.o
obj-$(CONFIG_ARM_ARCH_TIMER) += arm_arch_timer.o
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -133,6 +133,7 @@ enum cpuhp_state {
CPUHP_AP_MARCO_TIMER_STARTING,
CPUHP_AP_MIPS_GIC_TIMER_STARTING,
CPUHP_AP_ARC_TIMER_STARTING,
+ CPUHP_AP_REALTEK_TIMER_STARTING,
CPUHP_AP_RISCV_TIMER_STARTING,
CPUHP_AP_CLINT_TIMER_STARTING,
CPUHP_AP_CSKY_TIMER_STARTING,
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