diff --git a/target/linux/realtek/rtl930x/config-6.18 b/target/linux/realtek/rtl930x/config-6.18
index 69ddd0e7e28..688447be6a7 100644
--- a/target/linux/realtek/rtl930x/config-6.18
+++ b/target/linux/realtek/rtl930x/config-6.18
@@ -82,6 +82,8 @@ CONFIG_GPIO_GENERIC=y
 CONFIG_GPIO_PCA953X=y
 CONFIG_GPIO_REALTEK_OTTO=y
 CONFIG_GPIO_REGMAP=y
+CONFIG_GPIO_WATCHDOG=y
+CONFIG_GPIO_WATCHDOG_ARCH_INITCALL=y
 CONFIG_GRO_CELLS=y
 CONFIG_HARDWARE_WATCHPOINTS=y
 CONFIG_HAS_DMA=y