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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
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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 SPI interface as well as several SPI NOR specific instructions
via SPI MEM interface. 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 config SPI_NPCM_FIU
tristate "Nuvoton NPCM FLASH Interface Unit" tristate "Nuvoton NPCM FLASH Interface Unit"
depends on ARCH_NPCM || COMPILE_TEST 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-$(CONFIG_SPI_MT65XX) += spi-mt65xx.o
obj-$(CONFIG_SPI_MT7621) += spi-mt7621.o obj-$(CONFIG_SPI_MT7621) += spi-mt7621.o
obj-$(CONFIG_SPI_MTK_NOR) += spi-mtk-nor.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_MXIC) += spi-mxic.o
obj-$(CONFIG_SPI_MXS) += spi-mxs.o obj-$(CONFIG_SPI_MXS) += spi-mxs.o
obj-$(CONFIG_SPI_NPCM_FIU) += spi-npcm-fiu.o obj-$(CONFIG_SPI_NPCM_FIU) += spi-npcm-fiu.o

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