diff --git a/target/linux/ramips/dts/mt7621_xiaoyu_xy-c5.dts b/target/linux/ramips/dts/XiaoYu-C5.dts
similarity index 94%
rename from target/linux/ramips/dts/mt7621_xiaoyu_xy-c5.dts
rename to target/linux/ramips/dts/XiaoYu-C5.dts
index 072b2cc455..8d7cf3ecfd 100644
--- a/target/linux/ramips/dts/mt7621_xiaoyu_xy-c5.dts
+++ b/target/linux/ramips/dts/XiaoYu-C5.dts
@@ -17,6 +17,11 @@
 		label-mac-device = &ethernet;
 	};
 
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x1c000000>, <0x20000000 0x4000000>;
+	};
+
 	chosen {
 		bootargs = "console=ttyS0,57600";
 	};
diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index 3173e528ef..af15b9e487 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -131,10 +131,9 @@ endef
 TARGET_DEVICES += mediatek_ap-mt7621a-v60
 
 define Device/xiaoyu_xy-c5
-  MTK_SOC := mt7621
-  IMAGE_SIZE := 32448k
-  DEVICE_VENDOR := XiaoYu
-  DEVICE_MODEL := XY-C5
+  DTS := XiaoYu-C5
+  IMAGE_SIZE := $(ralink_default_fw_size_32M)
+  DEVICE_TITLE := XiaoYu_XY-C5
   DEVICE_PACKAGES := kmod-ata-core kmod-ata-ahci kmod-usb3
 endef
 TARGET_DEVICES += xiaoyu_xy-c5