mtd: mtk-nor: new Mediatek serial flash controller driver

Add spi nor flash driver for mediatek controller
Signed-off-by: Bayi Cheng <bayi.cheng@mediatek.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/spi-nor/Kconfig

@@ -7,6 +7,13 @@ menuconfig MTD_SPI_NOR
 
 if MTD_SPI_NOR
 
+config MTD_MT81xx_NOR
+	tristate "Mediatek MT81xx SPI NOR flash controller"
+	help
+	  This enables access to SPI NOR flash, using MT81xx SPI NOR flash
+	  controller. This controller does not support generic SPI BUS, it only
+	  supports SPI NOR Flash.
+
 config MTD_SPI_NOR_USE_4K_SECTORS
 	bool "Use small 4096 B erase sectors"
 	default y

drivers/mtd/spi-nor/Makefile

 obj-$(CONFIG_MTD_SPI_NOR)	+= spi-nor.o
 obj-$(CONFIG_SPI_FSL_QUADSPI)	+= fsl-quadspi.o
+obj-$(CONFIG_MTD_MT81xx_NOR)    += mtk-quadspi.o
 obj-$(CONFIG_SPI_NXP_SPIFI)	+= nxp-spifi.o