diff --git a/target/linux/rockchip/armv8/config-5.15 b/target/linux/rockchip/armv8/config-5.15
index 956ff6469..80e66eb3e 100644
--- a/target/linux/rockchip/armv8/config-5.15
+++ b/target/linux/rockchip/armv8/config-5.15
@@ -217,6 +217,7 @@ CONFIG_DUMMY_CONSOLE=y
 CONFIG_DWMAC_DWC_QOS_ETH=y
 CONFIG_DWMAC_GENERIC=y
 CONFIG_DWMAC_ROCKCHIP=y
+CONFIG_DW_WATCHDOG=y
 CONFIG_EDAC_SUPPORT=y
 CONFIG_EEPROM_AT24=y
 CONFIG_EMAC_ROCKCHIP=y
@@ -709,7 +710,7 @@ CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_VT=y
 CONFIG_VT_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
-# CONFIG_WATCHDOG is not set
+CONFIG_WATCHDOG_CORE=y
 CONFIG_XARRAY_MULTI=y
 CONFIG_XPS=y
 CONFIG_XXHASH=y