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spi: airoha: add SPI-NAND Flash controller driver

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Introduce support for SPI-NAND driver of the Airoha NAND Flash Interface
found on Airoha ARM SoCs.

Tested-by: Rajeev Kumar <Rajeev.Kumar@airoha.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/6c9db20505b01a66807995374f2af475a23ce5b2.1714377864.git.lorenzo@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2024-04-29 10:13:10 +02:00 committed by Mark Brown
parent 47766799f5
commit a403997c12
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4 changed files with 1149 additions and 0 deletions
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9
MAINTAINERS
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@ -653,6 +653,15 @@ S: Supported
F: fs/aio.c
F: include/linux/*aio*.h
AIROHA SPI SNFI DRIVER
M: Lorenzo Bianconi <lorenzo@kernel.org>
M: Ray Liu <ray.liu@airoha.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-spi@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/spi/airoha,en7581-snand.yaml
F: drivers/spi/spi-airoha.c
AIRSPY MEDIA DRIVER
L: linux-media@vger.kernel.org
S: Orphan

10
drivers/spi/Kconfig
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@ -57,6 +57,16 @@ config SPI_MEM
comment "SPI Master Controller Drivers"
config SPI_AIROHA_SNFI
tristate "Airoha SPI NAND Flash Interface"
depends on ARCH_AIROHA || COMPILE_TEST
depends on SPI_MASTER
select REGMAP_MMIO
help
This enables support for SPI-NAND mode on the Airoha NAND
Flash Interface found on Airoha ARM SoCs. This controller
is implemented as a SPI-MEM controller.
config SPI_ALTERA
tristate "Altera SPI Controller platform driver"
select SPI_ALTERA_CORE

1
drivers/spi/Makefile
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@ -14,6 +14,7 @@ obj-$(CONFIG_SPI_SPIDEV) += spidev.o
obj-$(CONFIG_SPI_LOOPBACK_TEST) += spi-loopback-test.o
# SPI master controller drivers (bus)
obj-$(CONFIG_SPI_AIROHA_SNFI) += spi-airoha-snfi.o
obj-$(CONFIG_SPI_ALTERA) += spi-altera-platform.o
obj-$(CONFIG_SPI_ALTERA_CORE) += spi-altera-core.o
obj-$(CONFIG_SPI_ALTERA_DFL) += spi-altera-dfl.o

1129
drivers/spi/spi-airoha-snfi.c Normal file
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