1.kernel-3.18/arch/arm64/configs/ax6737_65_n_defconfig

+CONFIG_TOUCHSCREEN_MTK_GT1XX=y....
#下发驱动
-#CONFIG_GTP_DRIVER_SEND_CFG=y
-#CONFIG_GTP_CUSTOM_CFG=y
+CONFIG_GTP_DRIVER_SEND_CFG=y
+CONFIG_GTP_CUSTOM_CFG=y#CONFIG_GTP_HOTKNOT=y
-#CONFIG_GTP_AUTO_UPDATE=y
-#CONFIG_GTP_HEADER_FW_UPDATE=y
-#CONFIG_GTP_CREATE_WR_NODE=y
-#CONFIG_GTP_POWER_CTRL_SLEEP=y
+CONFIG_GTP_AUTO_UPDATE=y
+CONFIG_GTP_HEADER_FW_UPDATE=y
+#GTCONFIG_GTP_CREATE_WR_NODE=y
+CONFIG_GTP_POWER_CTRL_SLEEP=y

2.kernel-3.18/drivers/input/touchscreen/mediatek/Kconfig

+
+config TOUCHSCREEN_MTK_GT1XX
+	tristate "MediaTek Touch Panel Driver"
+	help
+	  Say Y here if you have MediaTek touch panel.
+
+	  If unsure, say N.
+
+	  To compile this dirver as a module, choose M here: the
+	  module will be called.
+source "drivers/input/touchscreen/mediatek/GT1XX/Kconfig"

3.kernel-3.18/drivers/input/touchscreen/mediatek/Makefile

+obj-$(CONFIG_TOUCHSCREEN_MTK_GT1XX)	+=  GT1XX/

4.把GT1XX的驱动文件 拷到kernel-3.18/drivers/input/touchscreen/mediatek目录下

5.编译make -j32 bootimager，刷入boot.img验证