--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -50,3 +50,4 @@ obj-$(CONFIG_WDT_STM32MP) += stm32mp_wdt
 obj-$(CONFIG_WDT_SUNXI) += sunxi_wdt.o
 obj-$(CONFIG_WDT_TANGIER) += tangier_wdt.o
 obj-$(CONFIG_WDT_XILINX) += xilinx_wwdt.o
+obj-$(CONFIG_WDT_PCAT) += pcat_wdt.o
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -419,4 +419,10 @@ config WDT_FTWDT010
 	help
 	  Faraday Technology ftwdt010 watchdog is an architecture independent
 	  watchdog. It is usually used in SoC chip design.
+
+config WDT_PCAT
+	bool "photonicat board watchdog support"
+	depends on WDT && SERIAL && DM
+	help
+	  Select this to enable watchdog timer on photonicat board.
 endmenu