mtd: rawnand: Add new Cadence NAND driver to MTD subsystem

Add new Cadence NAND driver to MTD subsystem

Signed-off-by: Piotr Sroka <piotrs@cadence.com>
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

Author: psr0ka

MAINTAINERS

@@ -3598,6 +3598,12 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/media/cdns,*.txt
 F:	drivers/media/platform/cadence/cdns-csi2*
 
+CADENCE NAND DRIVER
+M:	Piotr Sroka <piotrs@cadence.com>
+L:	linux-mtd@lists.infradead.org
+S:	Maintained
+F:	drivers/mtd/nand/raw/cadence-nand-controller.c
+
 CADET FM/AM RADIO RECEIVER DRIVER
 M:	Hans Verkuil <hverkuil@xs4all.nl>
 L:	linux-media@vger.kernel.org

drivers/mtd/nand/raw/Kconfig

@@ -450,6 +450,13 @@ config MTD_NAND_PLATFORM
 	  devices. You will need to provide platform-specific functions
 	  via platform_data.
 
+config MTD_NAND_CADENCE
+	tristate "Support Cadence NAND (HPNFC) controller"
+	depends on OF || COMPILE_TEST
+	help
+	  Enable the driver for NAND flash on platforms using a Cadence NAND
+	  controller.
+
 comment "Misc"
 
 config MTD_SM_COMMON

drivers/mtd/nand/raw/Makefile

@@ -57,6 +57,7 @@ obj-$(CONFIG_MTD_NAND_MXIC)		+= mxic_nand.o
 obj-$(CONFIG_MTD_NAND_TEGRA)		+= tegra_nand.o
 obj-$(CONFIG_MTD_NAND_STM32_FMC2)	+= stm32_fmc2_nand.o
 obj-$(CONFIG_MTD_NAND_MESON)		+= meson_nand.o
+obj-$(CONFIG_MTD_NAND_CADENCE)		+= cadence-nand-controller.o
 
 nand-objs := nand_base.o nand_legacy.o nand_bbt.o nand_timings.o nand_ids.o
 nand-objs += nand_onfi.o