Commit d8701fe8 authored Dec 17, 2021 by Miquel Raynal

mtd: rawnand: renesas: Add new NAND controller driver



Introduce Renesas NAND controller driver which currently supports the
following features on R-Car Gen3 and RZ/N1 SoCs:
- All ONFI timing modes
- Different configurations of its internal ECC controller
- On-die (not tested) and software ECC support
- Several chips (not tested)
- Subpage accesses
- DMA and PIO

This controller was originally provided by Evatronix before being bought
by Cadence.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Tested-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/linux-mtd/20211217142033.353599-3-miquel.raynal@bootlin.com

parent 6b85a71c

drivers/mtd/nand/raw/Kconfig

+7 −0

Original line number	Diff line number	Diff line
		@@ -461,6 +461,13 @@ config MTD_NAND_PL35X
		Enables support for PrimeCell SMC PL351 and PL353 NAND
		controller found on Zynq7000.

		config MTD_NAND_RENESAS
		tristate "Renesas R-Car Gen3 & RZ/N1 NAND controller"
		depends on ARCH_RENESAS \|\| COMPILE_TEST
		help
		Enables support for the NAND controller found on Renesas R-Car
		Gen3 and RZ/N1 SoC families.

		comment "Misc"

		config MTD_SM_COMMON

drivers/mtd/nand/raw/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -58,6 +58,7 @@ obj-$(CONFIG_MTD_NAND_ARASAN) += arasan-nand-controller.o
		obj-$(CONFIG_MTD_NAND_INTEL_LGM) += intel-nand-controller.o
		obj-$(CONFIG_MTD_NAND_ROCKCHIP) += rockchip-nand-controller.o
		obj-$(CONFIG_MTD_NAND_PL35X) += pl35x-nand-controller.o
		obj-$(CONFIG_MTD_NAND_RENESAS) += renesas-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

drivers/mtd/nand/raw/renesas-nand-controller.c

0 → 100644

+1424 −0

File added.

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