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spi: add driver for MTK SPI NAND Flash Interface

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This driver implements support for the SPI-NAND mode of MTK NAND Flash
Interface as a SPI-MEM controller with pipelined ECC capability.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/20220424032527.673605-3-gch981213@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Chuanhong Guo 2022-04-24 11:25:24 +08:00 committed by Mark Brown
parent 26ac2436f3
commit 764f1b7481
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 1481 additions and 0 deletions
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10
drivers/spi/Kconfig
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@ -590,6 +590,16 @@ config SPI_MTK_NOR
SPI interface as well as several SPI NOR specific instructions
via SPI MEM interface.
config SPI_MTK_SNFI
tristate "MediaTek SPI NAND Flash Interface"
depends on ARCH_MEDIATEK || COMPILE_TEST
depends on MTD_NAND_ECC_MEDIATEK
help
This enables support for SPI-NAND mode on the MediaTek NAND
Flash Interface found on MediaTek ARM SoCs. This controller
is implemented as a SPI-MEM controller with pipelined ECC
capcability.
config SPI_NPCM_FIU
tristate "Nuvoton NPCM FLASH Interface Unit"
depends on ARCH_NPCM || COMPILE_TEST

1
drivers/spi/Makefile
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@ -76,6 +76,7 @@ obj-$(CONFIG_SPI_MPC52xx) += spi-mpc52xx.o
obj-$(CONFIG_SPI_MT65XX) += spi-mt65xx.o
obj-$(CONFIG_SPI_MT7621) += spi-mt7621.o
obj-$(CONFIG_SPI_MTK_NOR) += spi-mtk-nor.o
obj-$(CONFIG_SPI_MTK_SNFI) += spi-mtk-snfi.o
obj-$(CONFIG_SPI_MXIC) += spi-mxic.o
obj-$(CONFIG_SPI_MXS) += spi-mxs.o
obj-$(CONFIG_SPI_NPCM_FIU) += spi-npcm-fiu.o

1470
drivers/spi/spi-mtk-snfi.c Normal file
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