diff --git a/BoardConfig.mk b/BoardConfig.mk
new file mode 100644
index 0000000..a8f6098
--- /dev/null
+++ b/BoardConfig.mk
@@ -0,0 +1,13 @@
+#
+# Copyright (C) 2025 The LineageOS Project
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+DEVICE_PATH := device/xiaomi/topaz
+
+# Inherit from xiaomi sm6225-common
+include device/xiaomi/sm6225-common/BoardConfigCommon.mk
+
+# Inherit the proprietary files
+include vendor/xiaomi/topaz/BoardConfigVendor.mk