diff --git a/configs/adp-ae3xx_defconfig b/configs/adp-ae3xx_defconfig
index a3a40bf..337cee1 100644
--- a/configs/adp-ae3xx_defconfig
+++ b/configs/adp-ae3xx_defconfig
@@ -35,4 +35,4 @@ CONFIG_SYS_NS16550=y
 CONFIG_DM_SPI=y
 CONFIG_NDS_AE3XX_SPI=y
 CONFIG_TIMER=y
-CONFIG_AE3XX_TIMER=y
+CONFIG_ATCPIT100_TIMER=y
diff --git a/drivers/timer/Kconfig b/drivers/timer/Kconfig
index 6305bbf..fcfdf4e 100644
--- a/drivers/timer/Kconfig
+++ b/drivers/timer/Kconfig
@@ -105,11 +105,12 @@ config AG101P_TIMER
 	help
 	  Select this to enable a timer for AG01P devices.
 
-config AE3XX_TIMER
-	bool "AE3XX timer support"
+config ATCPIT100_TIMER
+	bool "ATCPIT100 timer support"
 	depends on TIMER && NDS32
 	help
-	  Select this to enable a timer for AE3XX devices.
+	  Select this to enable a ATCPIT100 timer which will be embeded
+		in AE3XX, AE250 boards.
 
 config ROCKCHIP_TIMER
         bool "Rockchip timer support"
diff --git a/drivers/timer/Makefile b/drivers/timer/Makefile
index 69e8961..15e5154 100644
--- a/drivers/timer/Makefile
+++ b/drivers/timer/Makefile
@@ -13,6 +13,6 @@ obj-$(CONFIG_AST_TIMER)	+= ast_timer.o
 obj-$(CONFIG_STI_TIMER)		+= sti-timer.o
 obj-$(CONFIG_ARC_TIMER)	+= arc_timer.o
 obj-$(CONFIG_AG101P_TIMER) += ag101p_timer.o
-obj-$(CONFIG_AE3XX_TIMER) += ae3xx_timer.o
+obj-$(CONFIG_ATCPIT100_TIMER) += atcpit100_timer.o
 obj-$(CONFIG_ROCKCHIP_TIMER) += rockchip_timer.o
 obj-$(CONFIG_ATMEL_PIT_TIMER) += atmel_pit_timer.o
diff --git a/drivers/timer/ae3xx_timer.c b/drivers/timer/atcpit100_timer.c
similarity index 100%
rename from drivers/timer/ae3xx_timer.c
rename to drivers/timer/atcpit100_timer.c