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spi: rockchip-sfc: add rockchip serial flash controller

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Add the rockchip serial flash controller (SFC) driver.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://lore.kernel.org/r/20210812134546.31340-3-jon.lin@rock-chips.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Chris Morgan
2021-08-12 21:45:42 +08:00
committed by Mark Brown
parent 538d7c2ed7
commit 0b89fc0a36
3 changed files with 707 additions and 0 deletions
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drivers/spi/Kconfig
+12
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@@ -658,6 +658,18 @@ config SPI_ROCKCHIP
The main usecase of this controller is to use spi flash as boot
device.
config SPI_ROCKCHIP_SFC
tristate "Rockchip Serial Flash Controller (SFC)"
depends on ARCH_ROCKCHIP || COMPILE_TEST
depends on HAS_IOMEM && HAS_DMA
help
This enables support for Rockchip serial flash controller. This
is a specialized controller used to access SPI flash on some
Rockchip SOCs.
ROCKCHIP SFC supports DMA and PIO modes. When DMA is not available,
the driver automatically falls back to PIO mode.
config SPI_RB4XX
tristate "Mikrotik RB4XX SPI master"
depends on SPI_MASTER && ATH79
drivers/spi/Makefile
+1
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@@ -95,6 +95,7 @@ obj-$(CONFIG_SPI_QCOM_GENI) += spi-geni-qcom.o
obj-$(CONFIG_SPI_QCOM_QSPI) += spi-qcom-qspi.o
obj-$(CONFIG_SPI_QUP) += spi-qup.o
obj-$(CONFIG_SPI_ROCKCHIP) += spi-rockchip.o
obj-$(CONFIG_SPI_ROCKCHIP_SFC) += spi-rockchip-sfc.o
obj-$(CONFIG_SPI_RB4XX) += spi-rb4xx.o
obj-$(CONFIG_MACH_REALTEK_RTL) += spi-realtek-rtl.o
obj-$(CONFIG_SPI_RPCIF) += spi-rpc-if.o
drivers/spi/spi-rockchip-sfc.c
+694
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