diff --git a/phhgsi_arm_a/BoardConfig.mk b/phhgsi_arm_a/BoardConfig.mk
new file mode 100644
index 0000000..f70da88
--- /dev/null
+++ b/phhgsi_arm_a/BoardConfig.mk
@@ -0,0 +1,4 @@
+include build/make/target/board/generic_arm_a/BoardConfig.mk
+
+TARGET_SYSTEM_PROP := device/phh/treble/system.prop $(TARGET_SYSTEM_PROP)
+BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := device/phh/treble/bluetooth