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linux/drivers/spi/Kconfig
Linus Torvalds ecf0aa5317 ARM: ARMv4T/v5 multiplatform support for v5.19, part 1 
This series has been 12 years in the making, it mostly finishes the
 work that was started with the founding of Linaro to clean up platform
 support in the kernel.
 
 The largest change here is a cleanup of the omap1 platform, which
 is the final ARM machine type to get converted to the common-clk
 subsystem. All the omap1 specific drivers are now made independent of the
 mach/*.h headers to allow the platform to be part of a generic ARMv4/v5
 multiplatform kernel. The last bit that enables this support is still
 missing here while we wait for some last dependencies to make it into
 the mainline kernel through other subsystems.
 
 The s3c24xx, ixp4xx, iop32x, ep93xx and dove platforms were all almost
 at the point of allowing multiplatform kernels, this work gets completed
 here along with a few additional cleanup.  At the same time, the s3c24xx
 and s3c64xx are now deprecated and expected to get removed in the future.
 
 The PXA and OMAP1 bits are in a separate branch because of dependencies.
 Once both branches are merged, only the three Intel StrongARM platforms
 (RiscPC, Footbridge/NetWinder and StrongARM1100) need separate kernels,
 and there are no plans to include these.
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Merge tag 'arm-multiplatform-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARMv4T/v5 multiplatform support from Arnd Bergmann:
 "This series has been 12 years in the making, it mostly finishes the
  work that was started with the founding of Linaro to clean up platform
  support in the kernel.

  The largest change here is a cleanup of the omap1 platform, which is
  the final ARM machine type to get converted to the common-clk
  subsystem. All the omap1 specific drivers are now made independent of
  the mach/*.h headers to allow the platform to be part of a generic
  ARMv4/v5 multiplatform kernel.

  The last bit that enables this support is still missing here while we
  wait for some last dependencies to make it into the mainline kernel
  through other subsystems.

  The s3c24xx, ixp4xx, iop32x, ep93xx and dove platforms were all almost
  at the point of allowing multiplatform kernels, this work gets
  completed here along with a few additional cleanup. At the same time,
  the s3c24xx and s3c64xx are now deprecated and expected to get removed
  in the future.

  The PXA and OMAP1 bits are in a separate branch because of
  dependencies. Once both branches are merged, only the three Intel
  StrongARM platforms (RiscPC, Footbridge/NetWinder and StrongARM1100)
  need separate kernels, and there are no plans to include these"

* tag 'arm-multiplatform-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (61 commits)
  ARM: ixp4xx: Consolidate Kconfig fixing issue
  ARM: versatile: Add missing of_node_put in dcscb_init
  ARM: config: Refresh IXP4xx config after multiplatform
  ARM: omap1: add back omap_set_dma_priority() stub
  ARM: omap: fix missing declaration warnings
  ARM: omap: fix address space warnings from sparse
  ARM: spear: remove include/mach/ subdirectory
  ARM: davinci: remove include/mach/ subdirectory
  ARM: omap2: remove include/mach/ subdirectory
  integrator: remove empty ap_init_early()
  ARM: s3c: fix include path
  MAINTAINERS: omap1: Add Janusz as an additional maintainer
  ARM: omap1: htc_herald: fix typos in comments
  ARM: OMAP1: fix typos in comments
  ARM: OMAP1: clock: Remove noop code
  ARM: OMAP1: clock: Remove unused code
  ARM: OMAP1: clock: Fix UART rate reporting algorithm
  ARM: OMAP1: clock: Fix early UART rate issues
  ARM: OMAP1: Prepare for conversion of OMAP1 clocks to CCF
  ARM: omap1: fix build with no SoC selected
  ...
2022-05-26 10:43:09 -07:00

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# SPDX-License-Identifier: GPL-2.0-only
#
# SPI driver configuration
#
menuconfig SPI
bool "SPI support"
depends on HAS_IOMEM
help
The "Serial Peripheral Interface" is a low level synchronous
protocol. Chips that support SPI can have data transfer rates
up to several tens of Mbit/sec. Chips are addressed with a
controller and a chipselect. Most SPI slaves don't support
dynamic device discovery; some are even write-only or read-only.
SPI is widely used by microcontrollers to talk with sensors,
eeprom and flash memory, codecs and various other controller
chips, analog to digital (and d-to-a) converters, and more.
MMC and SD cards can be accessed using SPI protocol; and for
DataFlash cards used in MMC sockets, SPI must always be used.
SPI is one of a family of similar protocols using a four wire
interface (select, clock, data in, data out) including Microwire
(half duplex), SSP, SSI, and PSP. This driver framework should
work with most such devices and controllers.
if SPI
config SPI_DEBUG
bool "Debug support for SPI drivers"
depends on DEBUG_KERNEL
help
Say "yes" to enable debug messaging (like dev_dbg and pr_debug),
sysfs, and debugfs support in SPI controller and protocol drivers.
#
# MASTER side ... talking to discrete SPI slave chips including microcontrollers
#
config SPI_MASTER
# bool "SPI Master Support"
bool
default SPI
help
If your system has an master-capable SPI controller (which
provides the clock and chipselect), you can enable that
controller and the protocol drivers for the SPI slave chips
that are connected.
if SPI_MASTER
config SPI_MEM
bool "SPI memory extension"
help
Enable this option if you want to enable the SPI memory extension.
This extension is meant to simplify interaction with SPI memories
by providing a high-level interface to send memory-like commands.
comment "SPI Master Controller Drivers"
config SPI_ALTERA
tristate "Altera SPI Controller platform driver"
select SPI_ALTERA_CORE
select REGMAP_MMIO
help
This is the driver for the Altera SPI Controller.
config SPI_ALTERA_CORE
tristate "Altera SPI Controller core code" if COMPILE_TEST
select REGMAP
help
"The core code for the Altera SPI Controller"
config SPI_ALTERA_DFL
tristate "DFL bus driver for Altera SPI Controller"
depends on FPGA_DFL
select SPI_ALTERA_CORE
help
This is a Device Feature List (DFL) bus driver for the
Altera SPI master controller. The SPI master is connected
to a SPI slave to Avalon bridge in a Intel MAX BMC.
config SPI_AR934X
tristate "Qualcomm Atheros AR934X/QCA95XX SPI controller driver"
depends on ATH79 || COMPILE_TEST
help
This enables support for the SPI controller present on the
Qualcomm Atheros AR934X/QCA95XX SoCs.
config SPI_ATH79
tristate "Atheros AR71XX/AR724X/AR913X SPI controller driver"
depends on ATH79 || COMPILE_TEST
select SPI_BITBANG
help
This enables support for the SPI controller present on the
Atheros AR71XX/AR724X/AR913X SoCs.
config SPI_ARMADA_3700
tristate "Marvell Armada 3700 SPI Controller"
depends on (ARCH_MVEBU && OF) || COMPILE_TEST
help
This enables support for the SPI controller present on the
Marvell Armada 3700 SoCs.
config SPI_ASPEED_SMC
tristate "Aspeed flash controllers in SPI mode"
depends on ARCH_ASPEED || COMPILE_TEST
depends on OF
help
This enables support for the Firmware Memory controller (FMC)
in the Aspeed AST2600, AST2500 and AST2400 SoCs when attached
to SPI NOR chips, and support for the SPI flash memory
controller (SPI) for the host firmware. The implementation
only supports SPI NOR.
config SPI_ATMEL
tristate "Atmel SPI Controller"
depends on ARCH_AT91 || COMPILE_TEST
depends on OF
help
This selects a driver for the Atmel SPI Controller, present on
many AT91 ARM chips.
config SPI_AT91_USART
tristate "Atmel USART Controller SPI driver"
depends on (ARCH_AT91 || COMPILE_TEST)
depends on MFD_AT91_USART
help
This selects a driver for the AT91 USART Controller as SPI Master,
present on AT91 and SAMA5 SoC series.
config SPI_ATMEL_QUADSPI
tristate "Atmel Quad SPI Controller"
depends on ARCH_AT91 || COMPILE_TEST
depends on OF && HAS_IOMEM
help
This enables support for the Quad SPI controller in master mode.
This driver does not support generic SPI. The implementation only
supports spi-mem interface.
config SPI_AU1550
tristate "Au1550/Au1200/Au1300 SPI Controller"
depends on MIPS_ALCHEMY
select SPI_BITBANG
help
If you say yes to this option, support will be included for the
PSC SPI controller found on Au1550, Au1200 and Au1300 series.
config SPI_AXI_SPI_ENGINE
tristate "Analog Devices AXI SPI Engine controller"
depends on HAS_IOMEM
help
This enables support for the Analog Devices AXI SPI Engine SPI controller.
It is part of the SPI Engine framework that is used in some Analog Devices
reference designs for FPGAs.
config SPI_BCM2835
tristate "BCM2835 SPI controller"
depends on GPIOLIB
depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
help
This selects a driver for the Broadcom BCM2835 SPI master.
The BCM2835 contains two types of SPI master controller; the
"universal SPI master", and the regular SPI controller. This driver
is for the regular SPI controller. Slave mode operation is not also
not supported.
config SPI_BCM2835AUX
tristate "BCM2835 SPI auxiliary controller"
depends on ((ARCH_BCM2835 || ARCH_BRCMSTB) && GPIOLIB) || COMPILE_TEST
help
This selects a driver for the Broadcom BCM2835 SPI aux master.
The BCM2835 contains two types of SPI master controller; the
"universal SPI master", and the regular SPI controller.
This driver is for the universal/auxiliary SPI controller.
config SPI_BCM63XX
tristate "Broadcom BCM63xx SPI controller"
depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST
help
Enable support for the SPI controller on the Broadcom BCM63xx SoCs.
config SPI_BCM63XX_HSSPI
tristate "Broadcom BCM63XX HS SPI controller driver"
depends on BCM63XX || BMIPS_GENERIC || ARCH_BCM_63XX || COMPILE_TEST
help
This enables support for the High Speed SPI controller present on
newer Broadcom BCM63XX SoCs.
config SPI_BCM_QSPI
tristate "Broadcom BSPI and MSPI controller support"
depends on ARCH_BRCMSTB || ARCH_BCM || ARCH_BCM_IPROC || \
BMIPS_GENERIC || COMPILE_TEST
default ARCH_BCM_IPROC
help
Enables support for the Broadcom SPI flash and MSPI controller.
Select this option for any one of BRCMSTB, iProc NSP and NS2 SoCs
based platforms. This driver works for both SPI master for SPI NOR
flash device as well as MSPI device.
config SPI_BITBANG
tristate "Utilities for Bitbanging SPI masters"
help
With a few GPIO pins, your system can bitbang the SPI protocol.
Select this to get SPI support through I/O pins (GPIO, parallel
port, etc). Or, some systems' SPI master controller drivers use
this code to manage the per-word or per-transfer accesses to the
hardware shift registers.
This is library code, and is automatically selected by drivers that
need it. You only need to select this explicitly to support driver
modules that aren't part of this kernel tree.
config SPI_BUTTERFLY
tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)"
depends on PARPORT
select SPI_BITBANG
help
This uses a custom parallel port cable to connect to an AVR
Butterfly <http://www.atmel.com/products/avr/butterfly>, an
inexpensive battery powered microcontroller evaluation board.
This same cable can be used to flash new firmware.
config SPI_CADENCE
tristate "Cadence SPI controller"
help
This selects the Cadence SPI controller master driver
used by Xilinx Zynq and ZynqMP.
config SPI_CADENCE_QUADSPI
tristate "Cadence Quad SPI controller"
depends on OF && (ARM || ARM64 || X86 || COMPILE_TEST)
help
Enable support for the Cadence Quad SPI Flash controller.
Cadence QSPI is a specialized controller for connecting an SPI
Flash over 1/2/4-bit wide bus. Enable this option if you have a
device with a Cadence QSPI controller and want to access the
Flash as an MTD device.
config SPI_CADENCE_XSPI
tristate "Cadence XSPI controller"
depends on (OF || COMPILE_TEST) && HAS_IOMEM
depends on SPI_MEM
help
Enable support for the Cadence XSPI Flash controller.
Cadence XSPI is a specialized controller for connecting an SPI
Flash over upto 8bit wide bus. Enable this option if you have a
device with a Cadence XSPI controller and want to access the
Flash as an MTD device.
config SPI_CLPS711X
tristate "CLPS711X host SPI controller"
depends on ARCH_CLPS711X || COMPILE_TEST
help
This enables dedicated general purpose SPI/Microwire1-compatible
master mode interface (SSI1) for CLPS711X-based CPUs.
config SPI_COLDFIRE_QSPI
tristate "Freescale Coldfire QSPI controller"
depends on (M520x || M523x || M5249 || M525x || M527x || M528x || M532x)
help
This enables support for the Coldfire QSPI controller in master
mode.
config SPI_DAVINCI
tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller"
depends on ARCH_DAVINCI || ARCH_KEYSTONE
select SPI_BITBANG
help
SPI master controller for DaVinci/DA8x/OMAP-L/AM1x SPI modules.
config SPI_DESIGNWARE
tristate "DesignWare SPI controller core support"
imply SPI_MEM
help
general driver for SPI controller core from DesignWare
if SPI_DESIGNWARE
config SPI_DW_DMA
bool "DMA support for DW SPI controller"
config SPI_DW_PCI
tristate "PCI interface driver for DW SPI core"
depends on PCI
config SPI_DW_MMIO
tristate "Memory-mapped io interface driver for DW SPI core"
depends on HAS_IOMEM
config SPI_DW_BT1
tristate "Baikal-T1 SPI driver for DW SPI core"
depends on MIPS_BAIKAL_T1 || COMPILE_TEST
select MULTIPLEXER
select MUX_MMIO
help
Baikal-T1 SoC is equipped with three DW APB SSI-based MMIO SPI
controllers. Two of them are pretty much normal: with IRQ, DMA,
FIFOs of 64 words depth, 4x CSs, but the third one as being a
part of the Baikal-T1 System Boot Controller has got a very
limited resources: no IRQ, no DMA, only a single native
chip-select and Tx/Rx FIFO with just 8 words depth available.
The later one is normally connected to an external SPI-nor flash
of 128Mb (in general can be of bigger size).
config SPI_DW_BT1_DIRMAP
bool "Directly mapped Baikal-T1 Boot SPI flash support"
depends on SPI_DW_BT1
help
Directly mapped SPI flash memory is an interface specific to the
Baikal-T1 System Boot Controller. It is a 16MB MMIO region, which
can be used to access a peripheral memory device just by
reading/writing data from/to it. Note that the system APB bus
will stall during each IO from/to the dirmap region until the
operation is finished. So try not to use it concurrently with
time-critical tasks (like the SPI memory operations implemented
in this driver).
endif
config SPI_DLN2
tristate "Diolan DLN-2 USB SPI adapter"
depends on MFD_DLN2
help
If you say yes to this option, support will be included for Diolan
DLN2, a USB to SPI interface.
This driver can also be built as a module. If so, the module
will be called spi-dln2.
config SPI_EP93XX
tristate "Cirrus Logic EP93xx SPI controller"
depends on ARCH_EP93XX || COMPILE_TEST
help
This enables using the Cirrus EP93xx SPI controller in master
mode.
config SPI_FALCON
bool "Falcon SPI controller support"
depends on SOC_FALCON
help
The external bus unit (EBU) found on the FALC-ON SoC has SPI
emulation that is designed for serial flash access. This driver
has only been tested with m25p80 type chips. The hardware has no
support for other types of SPI peripherals.
config SPI_FSI
tristate "FSI SPI driver"
depends on FSI
help
This enables support for the driver for FSI bus attached SPI
controllers.
config SPI_FSL_LPSPI
tristate "Freescale i.MX LPSPI controller"
depends on ARCH_MXC || COMPILE_TEST
help
This enables Freescale i.MX LPSPI controllers in master mode.
config SPI_FSL_QUADSPI
tristate "Freescale QSPI controller"
depends on ARCH_MXC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST
depends on HAS_IOMEM
help
This enables support for the Quad SPI controller in master mode.
Up to four flash chips can be connected on two buses with two
chipselects each.
This controller does not support generic SPI messages. It only
supports the high-level SPI memory interface.
config SPI_HISI_KUNPENG
tristate "HiSilicon SPI Controller for Kunpeng SoCs"
depends on (ARM64 && ACPI) || COMPILE_TEST
help
This enables support for HiSilicon SPI controller found on
Kunpeng SoCs.
This driver can also be built as a module. If so, the module
will be called hisi-kunpeng-spi.
config SPI_HISI_SFC_V3XX
tristate "HiSilicon SPI NOR Flash Controller for Hi16XX chipsets"
depends on (ARM64 && ACPI) || COMPILE_TEST
depends on HAS_IOMEM
help
This enables support for HiSilicon v3xx SPI NOR flash controller
found in hi16xx chipsets.
config SPI_NXP_FLEXSPI
tristate "NXP Flex SPI controller"
depends on ARCH_LAYERSCAPE || HAS_IOMEM
help
This enables support for the Flex SPI controller in master mode.
Up to four slave devices can be connected on two buses with two
chipselects each.
This controller does not support generic SPI messages and only
supports the high-level SPI memory interface.
config SPI_GPIO
tristate "GPIO-based bitbanging SPI Master"
depends on GPIOLIB || COMPILE_TEST
select SPI_BITBANG
help
This simple GPIO bitbanging SPI master uses the arch-neutral GPIO
interface to manage MOSI, MISO, SCK, and chipselect signals. SPI
slaves connected to a bus using this driver are configured as usual,
except that the spi_board_info.controller_data holds the GPIO number
for the chipselect used by this controller driver.
Note that this driver often won't achieve even 1 Mbit/sec speeds,
making it unusually slow for SPI. If your platform can inline
GPIO operations, you should be able to leverage that for better
speed with a custom version of this driver; see the source code.
config SPI_IMG_SPFI
tristate "IMG SPFI controller"
depends on MIPS || COMPILE_TEST
help
This enables support for the SPFI master controller found on
IMG SoCs.
config SPI_IMX
tristate "Freescale i.MX SPI controllers"
depends on ARCH_MXC || COMPILE_TEST
help
This enables support for the Freescale i.MX SPI controllers.
config SPI_INGENIC
tristate "Ingenic SoCs SPI controller"
depends on MACH_INGENIC || COMPILE_TEST
help
This enables support for the Ingenic SoCs SPI controller.
To compile this driver as a module, choose M here: the module
will be called spi-ingenic.
config SPI_INTEL
tristate
config SPI_INTEL_PCI
tristate "Intel PCH/PCU SPI flash PCI driver (DANGEROUS)"
depends on PCI
depends on X86 || COMPILE_TEST
depends on SPI_MEM
select SPI_INTEL
help
This enables PCI support for the Intel PCH/PCU SPI controller in
master mode. This controller is present in modern Intel hardware
and is used to hold BIOS and other persistent settings. Using
this driver it is possible to upgrade BIOS directly from Linux.
Say N here unless you know what you are doing. Overwriting the
SPI flash may render the system unbootable.
To compile this driver as a module, choose M here: the module
will be called spi-intel-pci.
config SPI_INTEL_PLATFORM
tristate "Intel PCH/PCU SPI flash platform driver (DANGEROUS)"
depends on X86 || COMPILE_TEST
depends on SPI_MEM
select SPI_INTEL
help
This enables platform support for the Intel PCH/PCU SPI
controller in master mode. This controller is present in modern
Intel hardware and is used to hold BIOS and other persistent
settings. Using this driver it is possible to upgrade BIOS
directly from Linux.
Say N here unless you know what you are doing. Overwriting the
SPI flash may render the system unbootable.
To compile this driver as a module, choose M here: the module
will be called spi-intel-platform.
config SPI_JCORE
tristate "J-Core SPI Master"
depends on OF && (SUPERH || COMPILE_TEST)
help
This enables support for the SPI master controller in the J-Core
synthesizable, open source SoC.
config SPI_LM70_LLP
tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)"
depends on PARPORT
select SPI_BITBANG
help
This driver supports the NS LM70 LLP Evaluation Board,
which interfaces to an LM70 temperature sensor using
a parallel port.
config SPI_LP8841_RTC
tristate "ICP DAS LP-8841 SPI Controller for RTC"
depends on MACH_PXA27X_DT || COMPILE_TEST
help
This driver provides an SPI master device to drive Maxim
DS-1302 real time clock.
Say N here unless you plan to run the kernel on an ICP DAS
LP-8x4x industrial computer.
config SPI_MPC52xx
tristate "Freescale MPC52xx SPI (non-PSC) controller support"
depends on PPC_MPC52xx
help
This drivers supports the MPC52xx SPI controller in master SPI
mode.
config SPI_MPC52xx_PSC
tristate "Freescale MPC52xx PSC SPI controller"
depends on PPC_MPC52xx
help
This enables using the Freescale MPC52xx Programmable Serial
Controller in master SPI mode.
config SPI_MPC512x_PSC
tristate "Freescale MPC512x PSC SPI controller"
depends on PPC_MPC512x
help
This enables using the Freescale MPC5121 Programmable Serial
Controller in SPI master mode.
config SPI_FSL_LIB
tristate
depends on OF
config SPI_FSL_CPM
tristate
depends on FSL_SOC
config SPI_FSL_SPI
tristate "Freescale SPI controller and Aeroflex Gaisler GRLIB SPI controller"
depends on OF
select SPI_FSL_LIB
select SPI_FSL_CPM if FSL_SOC
help
This enables using the Freescale SPI controllers in master mode.
MPC83xx platform uses the controller in cpu mode or CPM/QE mode.
MPC8569 uses the controller in QE mode, MPC8610 in cpu mode.
This also enables using the Aeroflex Gaisler GRLIB SPI controller in
master mode.
config SPI_FSL_DSPI
tristate "Freescale DSPI controller"
select REGMAP_MMIO
depends on SOC_VF610 || SOC_LS1021A || ARCH_LAYERSCAPE || M5441x || COMPILE_TEST
help
This enables support for the Freescale DSPI controller in master
mode. VF610, LS1021A and ColdFire platforms uses the controller.
config SPI_FSL_ESPI
tristate "Freescale eSPI controller"
depends on FSL_SOC
help
This enables using the Freescale eSPI controllers in master mode.
From MPC8536, 85xx platform uses the controller, and all P10xx,
P20xx, P30xx,P40xx, P50xx uses this controller.
config SPI_MESON_SPICC
tristate "Amlogic Meson SPICC controller"
depends on COMMON_CLK
depends on ARCH_MESON || COMPILE_TEST
help
This enables master mode support for the SPICC (SPI communication
controller) available in Amlogic Meson SoCs.
config SPI_MESON_SPIFC
tristate "Amlogic Meson SPIFC controller"
depends on ARCH_MESON || COMPILE_TEST
select REGMAP_MMIO
help
This enables master mode support for the SPIFC (SPI flash
controller) available in Amlogic Meson SoCs.
config SPI_MT65XX
tristate "MediaTek SPI controller"
depends on ARCH_MEDIATEK || COMPILE_TEST
help
This selects the MediaTek(R) SPI bus driver.
If you want to use MediaTek(R) SPI interface,
say Y or M here.If you are not sure, say N.
SPI drivers for Mediatek MT65XX and MT81XX series ARM SoCs.
config SPI_MT7621
tristate "MediaTek MT7621 SPI Controller"
depends on RALINK || COMPILE_TEST
help
This selects a driver for the MediaTek MT7621 SPI Controller.
config SPI_MTK_NOR
tristate "MediaTek SPI NOR controller"
depends on ARCH_MEDIATEK || COMPILE_TEST
help
This enables support for SPI NOR controller found on MediaTek
ARM SoCs. This is a controller specifically for SPI NOR flash.
It can perform generic SPI transfers up to 6 bytes via generic
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
depends on OF && HAS_IOMEM
help
This enables support for the Flash Interface Unit SPI controller
in master mode.
This driver does not support generic SPI. The implementation only
supports spi-mem interface.
config SPI_NPCM_PSPI
tristate "Nuvoton NPCM PSPI Controller"
depends on ARCH_NPCM || COMPILE_TEST
help
This driver provides support for Nuvoton NPCM BMC
Peripheral SPI controller in master mode.
config SPI_LANTIQ_SSC
tristate "Lantiq SSC SPI controller"
depends on LANTIQ || X86 || COMPILE_TEST
help
This driver supports the Lantiq SSC SPI controller in master
mode. This controller is found on Intel (former Lantiq) SoCs like
the Danube, Falcon, xRX200, xRX300, Lightning Mountain.
config SPI_OC_TINY
tristate "OpenCores tiny SPI"
depends on GPIOLIB || COMPILE_TEST
select SPI_BITBANG
help
This is the driver for OpenCores tiny SPI master controller.
config SPI_OCTEON
tristate "Cavium OCTEON SPI controller"
depends on CAVIUM_OCTEON_SOC
help
SPI host driver for the hardware found on some Cavium OCTEON
SOCs.
config SPI_OMAP_UWIRE
tristate "OMAP1 MicroWire"
depends on ARCH_OMAP1 || (ARM && COMPILE_TEST)
select SPI_BITBANG
help
This hooks up to the MicroWire controller on OMAP1 chips.
config SPI_OMAP24XX
tristate "McSPI driver for OMAP"
depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST
select SG_SPLIT
help
SPI master controller for OMAP24XX and later Multichannel SPI
(McSPI) modules.
config SPI_TI_QSPI
tristate "DRA7xxx QSPI controller support"
depends on ARCH_OMAP2PLUS || COMPILE_TEST
help
QSPI master controller for DRA7xxx used for flash devices.
This device supports single, dual and quad read support, while
it only supports single write mode.
config SPI_OMAP_100K
tristate "OMAP SPI 100K"
depends on ARCH_OMAP850 || ARCH_OMAP730 || COMPILE_TEST
help
OMAP SPI 100K master controller for omap7xx boards.
config SPI_ORION
tristate "Orion SPI master"
depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
help
This enables using the SPI master controller on the Orion
and MVEBU chips.
config SPI_PIC32
tristate "Microchip PIC32 series SPI"
depends on MACH_PIC32 || COMPILE_TEST
help
SPI driver for Microchip PIC32 SPI master controller.
config SPI_PIC32_SQI
tristate "Microchip PIC32 Quad SPI driver"
depends on MACH_PIC32 || COMPILE_TEST
help
SPI driver for PIC32 Quad SPI controller.
config SPI_PL022
tristate "ARM AMBA PL022 SSP controller"
depends on ARM_AMBA
default y if ARCH_REALVIEW
default y if INTEGRATOR_IMPD1
default y if ARCH_VERSATILE
help
This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP
controller. If you have an embedded system with an AMBA(R)
bus and a PL022 controller, say Y or M here.
config SPI_PPC4xx
tristate "PPC4xx SPI Controller"
depends on PPC32 && 4xx
select SPI_BITBANG
help
This selects a driver for the PPC4xx SPI Controller.
config SPI_PXA2XX
tristate "PXA2xx SSP SPI master"
depends on ARCH_PXA || ARCH_MMP || PCI || ACPI || COMPILE_TEST
select PXA_SSP if ARCH_PXA || ARCH_MMP
help
This enables using a PXA2xx or Sodaville SSP port as a SPI master
controller. The driver can be configured to use any SSP port and
additional documentation can be found a Documentation/spi/pxa2xx.rst.
config SPI_PXA2XX_PCI
def_tristate SPI_PXA2XX && PCI && COMMON_CLK
config SPI_ROCKCHIP
tristate "Rockchip SPI controller driver"
help
This selects a driver for Rockchip SPI controller.
If you say yes to this option, support will be included for
RK3066, RK3188 and RK3288 families of SPI controller.
Rockchip SPI controller support DMA transport and PIO mode.
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
help
SPI controller driver for the Mikrotik RB4xx series boards.
config SPI_RPCIF
tristate "Renesas RPC-IF SPI driver"
depends on RENESAS_RPCIF
help
SPI driver for Renesas R-Car Gen3 or RZ/G2 RPC-IF.
config SPI_RSPI
tristate "Renesas RSPI/QSPI controller"
depends on SUPERH || ARCH_RENESAS || COMPILE_TEST
help
SPI driver for Renesas RSPI and QSPI blocks.
config SPI_QCOM_QSPI
tristate "QTI QSPI controller"
depends on ARCH_QCOM
help
QSPI(Quad SPI) driver for Qualcomm QSPI controller.
config SPI_QUP
tristate "Qualcomm SPI controller with QUP interface"
depends on ARCH_QCOM || COMPILE_TEST
help
Qualcomm Universal Peripheral (QUP) core is an AHB slave that
provides a common data path (an output FIFO and an input FIFO)
for serial peripheral interface (SPI) mini-core. SPI in master
mode supports up to 50MHz, up to four chip selects, programmable
data path from 4 bits to 32 bits and numerous protocol variants.
This driver can also be built as a module. If so, the module
will be called spi_qup.
config SPI_QCOM_GENI
tristate "Qualcomm GENI based SPI controller"
depends on QCOM_GENI_SE
help
This driver supports GENI serial engine based SPI controller in
master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
yes to this option, support will be included for the built-in SPI
interface on the Qualcomm Technologies Inc.'s SoCs.
This driver can also be built as a module. If so, the module
will be called spi-geni-qcom.
config SPI_S3C24XX
tristate "Samsung S3C24XX series SPI"
depends on ARCH_S3C24XX
select SPI_BITBANG
help
SPI driver for Samsung S3C24XX series ARM SoCs
config SPI_S3C24XX_FIQ
bool "S3C24XX driver with FIQ pseudo-DMA"
depends on SPI_S3C24XX
select FIQ
help
Enable FIQ support for the S3C24XX SPI driver to provide pseudo
DMA by using the fast-interrupt request framework, This allows
the driver to get DMA-like performance when there are either
no free DMA channels, or when doing transfers that required both
TX and RX data paths.
config SPI_S3C64XX
tristate "Samsung S3C64XX/Exynos SoC series type SPI"
depends on (PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST)
help
SPI driver for Samsung S3C64XX, S5Pv210 and Exynos SoCs.
Choose Y/M here only if you build for such Samsung SoC.
config SPI_SC18IS602
tristate "NXP SC18IS602/602B/603 I2C to SPI bridge"
depends on I2C
help
SPI driver for NXP SC18IS602/602B/603 I2C to SPI bridge.
config SPI_SH_MSIOF
tristate "SuperH MSIOF SPI controller"
depends on HAVE_CLK
depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
help
SPI driver for SuperH and SH Mobile MSIOF blocks.
config SPI_SH
tristate "SuperH SPI controller"
depends on SUPERH || COMPILE_TEST
help
SPI driver for SuperH SPI blocks.
config SPI_SH_SCI
tristate "SuperH SCI SPI controller"
depends on SUPERH
select SPI_BITBANG
help
SPI driver for SuperH SCI blocks.
config SPI_SH_HSPI
tristate "SuperH HSPI controller"
depends on ARCH_RENESAS || COMPILE_TEST
help
SPI driver for SuperH HSPI blocks.
config SPI_SIFIVE
tristate "SiFive SPI controller"
depends on HAS_IOMEM
help
This exposes the SPI controller IP from SiFive.
config SPI_SLAVE_MT27XX
tristate "MediaTek SPI slave device"
depends on ARCH_MEDIATEK || COMPILE_TEST
depends on SPI_SLAVE
help
This selects the MediaTek(R) SPI slave device driver.
If you want to use MediaTek(R) SPI slave interface,
say Y or M here.If you are not sure, say N.
SPI slave drivers for Mediatek MT27XX series ARM SoCs.
config SPI_SPRD
tristate "Spreadtrum SPI controller"
depends on ARCH_SPRD || COMPILE_TEST
help
SPI driver for Spreadtrum SoCs.
config SPI_SPRD_ADI
tristate "Spreadtrum ADI controller"
depends on ARCH_SPRD || COMPILE_TEST
depends on HWSPINLOCK || (COMPILE_TEST && !HWSPINLOCK)
help
ADI driver based on SPI for Spreadtrum SoCs.
config SPI_STM32
tristate "STMicroelectronics STM32 SPI controller"
depends on ARCH_STM32 || COMPILE_TEST
help
SPI driver for STMicroelectronics STM32 SoCs.
STM32 SPI controller supports DMA and PIO modes. When DMA
is not available, the driver automatically falls back to
PIO mode.
config SPI_STM32_QSPI
tristate "STMicroelectronics STM32 QUAD SPI controller"
depends on ARCH_STM32 || COMPILE_TEST
depends on OF
depends on SPI_MEM
help
This enables support for the Quad SPI controller in master mode.
This driver does not support generic SPI. The implementation only
supports spi-mem interface.
config SPI_ST_SSC4
tristate "STMicroelectronics SPI SSC-based driver"
depends on ARCH_STI || COMPILE_TEST
help
STMicroelectronics SoCs support for SPI. If you say yes to
this option, support will be included for the SSC driven SPI.
config SPI_SUN4I
tristate "Allwinner A10 SoCs SPI controller"
depends on ARCH_SUNXI || COMPILE_TEST
help
SPI driver for Allwinner sun4i, sun5i and sun7i SoCs
config SPI_SUN6I
tristate "Allwinner A31 SPI controller"
depends on ARCH_SUNXI || COMPILE_TEST
depends on RESET_CONTROLLER
help
This enables using the SPI controller on the Allwinner A31 SoCs.
config SPI_SUNPLUS_SP7021
tristate "Sunplus SP7021 SPI controller"
depends on SOC_SP7021 || COMPILE_TEST
help
This enables Sunplus SP7021 SPI controller driver on the SP7021 SoCs.
This driver can also be built as a module. If so, the module will be
called as spi-sunplus-sp7021.
If you have a Sunplus SP7021 platform say Y here.
If unsure, say N.
config SPI_SYNQUACER
tristate "Socionext's SynQuacer HighSpeed SPI controller"
depends on ARCH_SYNQUACER || COMPILE_TEST
help
SPI driver for Socionext's High speed SPI controller which provides
various operating modes for interfacing to serial peripheral devices
that use the de-facto standard SPI protocol.
It also supports the new dual-bit and quad-bit SPI protocol.
config SPI_MXIC
tristate "Macronix MX25F0A SPI controller"
depends on SPI_MASTER
imply MTD_NAND_ECC_MXIC
help
This selects the Macronix MX25F0A SPI controller driver.
config SPI_MXS
tristate "Freescale MXS SPI controller"
depends on ARCH_MXS
select STMP_DEVICE
help
SPI driver for Freescale MXS devices.
config SPI_TEGRA210_QUAD
tristate "NVIDIA Tegra QSPI Controller"
depends on ARCH_TEGRA || COMPILE_TEST
depends on RESET_CONTROLLER
help
QSPI driver for NVIDIA Tegra QSPI Controller interface. This
controller is different from the SPI controller and is available
on Tegra SoCs starting from Tegra210.
config SPI_TEGRA114
tristate "NVIDIA Tegra114 SPI Controller"
depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST
depends on RESET_CONTROLLER
help
SPI driver for NVIDIA Tegra114 SPI Controller interface. This controller
is different than the older SoCs SPI controller and also register interface
get changed with this controller.
config SPI_TEGRA20_SFLASH
tristate "Nvidia Tegra20 Serial flash Controller"
depends on ARCH_TEGRA || COMPILE_TEST
depends on RESET_CONTROLLER
help
SPI driver for Nvidia Tegra20 Serial flash Controller interface.
The main usecase of this controller is to use spi flash as boot
device.
config SPI_TEGRA20_SLINK
tristate "Nvidia Tegra20/Tegra30 SLINK Controller"
depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST
depends on RESET_CONTROLLER
help
SPI driver for Nvidia Tegra20/Tegra30 SLINK Controller interface.
config SPI_THUNDERX
tristate "Cavium ThunderX SPI controller"
depends on PCI && 64BIT && (ARM64 || COMPILE_TEST)
help
SPI host driver for the hardware found on Cavium ThunderX
SOCs.
config SPI_TOPCLIFF_PCH
tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) SPI"
depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
help
SPI driver for the Topcliff PCH (Platform Controller Hub) SPI bus
used in some x86 embedded processors.
This driver also supports the ML7213/ML7223/ML7831, a companion chip
for the Atom E6xx series and compatible with the Intel EG20T PCH.
config SPI_UNIPHIER
tristate "Socionext UniPhier SPI Controller"
depends on (ARCH_UNIPHIER || COMPILE_TEST) && OF
depends on HAS_IOMEM
help
This enables a driver for the Socionext UniPhier SoC SCSSI SPI controller.
UniPhier SoCs have SCSSI and MCSSI SPI controllers.
Every UniPhier SoC has SCSSI which supports single channel.
Older UniPhier Pro4/Pro5 also has MCSSI which support multiple channels.
This driver supports SCSSI only.
If your SoC supports SCSSI, say Y here.
config SPI_XCOMM
tristate "Analog Devices AD-FMCOMMS1-EBZ SPI-I2C-bridge driver"
depends on I2C
help
Support for the SPI-I2C bridge found on the Analog Devices
AD-FMCOMMS1-EBZ board.
config SPI_XILINX
tristate "Xilinx SPI controller common module"
depends on HAS_IOMEM
select SPI_BITBANG
help
This exposes the SPI controller IP from the Xilinx EDK.
See the "OPB Serial Peripheral Interface (SPI) (v1.00e)"
Product Specification document (DS464) for hardware details.
Or for the DS570, see "XPS Serial Peripheral Interface (SPI) (v2.00b)"
config SPI_XLP
tristate "Cavium ThunderX2 SPI controller driver"
depends on ARCH_THUNDER2 || COMPILE_TEST
help
Enable support for the SPI controller on the Cavium ThunderX2.
(Originally on Netlogic XLP SoCs.)
If you have a Cavium ThunderX2 platform say Y here.
If unsure, say N.
config SPI_XTENSA_XTFPGA
tristate "Xtensa SPI controller for xtfpga"
depends on (XTENSA && XTENSA_PLATFORM_XTFPGA) || COMPILE_TEST
select SPI_BITBANG
help
SPI driver for xtfpga SPI master controller.
This simple SPI master controller is built into xtfpga bitstreams
and is used to control daughterboard audio codec. It always transfers
16 bit words in SPI mode 0, automatically asserting CS on transfer
start and deasserting on end.
config SPI_ZYNQ_QSPI
tristate "Xilinx Zynq QSPI controller"
depends on ARCH_ZYNQ || COMPILE_TEST
help
This enables support for the Zynq Quad SPI controller
in master mode.
This controller only supports SPI memory interface.
config SPI_ZYNQMP_GQSPI
tristate "Xilinx ZynqMP GQSPI controller"
depends on (SPI_MASTER && HAS_DMA) || COMPILE_TEST
help
Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC.
config SPI_AMD
tristate "AMD SPI controller"
depends on SPI_MASTER || COMPILE_TEST
help
Enables SPI controller driver for AMD SoC.
#
# Add new SPI master controllers in alphabetical order above this line
#
comment "SPI Multiplexer support"
config SPI_MUX
tristate "SPI multiplexer support"
select MULTIPLEXER
help
This adds support for SPI multiplexers. Each SPI mux will be
accessible as a SPI controller, the devices behind the mux will appear
to be chip selects on this controller. It is still necessary to
select one or more specific mux-controller drivers.
#
# There are lots of SPI device types, with sensors and memory
# being probably the most widely used ones.
#
comment "SPI Protocol Masters"
config SPI_SPIDEV
tristate "User mode SPI device driver support"
help
This supports user mode SPI protocol drivers.
Note that this application programming interface is EXPERIMENTAL
and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes.
config SPI_LOOPBACK_TEST
tristate "spi loopback test framework support"
depends on m
help
This enables the SPI loopback testing framework driver
primarily used for development of spi_master drivers
and to detect regressions
config SPI_TLE62X0
tristate "Infineon TLE62X0 (for power switching)"
depends on SYSFS
help
SPI driver for Infineon TLE62X0 series line driver chips,
such as the TLE6220, TLE6230 and TLE6240. This provides a
sysfs interface, with each line presented as a kind of GPIO
exposing both switch control and diagnostic feedback.
#
# Add new SPI protocol masters in alphabetical order above this line
#
endif # SPI_MASTER
#
# SLAVE side ... listening to other SPI masters
#
config SPI_SLAVE
bool "SPI slave protocol handlers"
help
If your system has a slave-capable SPI controller, you can enable
slave protocol handlers.
if SPI_SLAVE
config SPI_SLAVE_TIME
tristate "SPI slave handler reporting boot up time"
help
SPI slave handler responding with the time of reception of the last
SPI message.
config SPI_SLAVE_SYSTEM_CONTROL
tristate "SPI slave handler controlling system state"
help
SPI slave handler to allow remote control of system reboot, power
off, halt, and suspend.
endif # SPI_SLAVE
config SPI_DYNAMIC
def_bool ACPI || OF_DYNAMIC || SPI_SLAVE
endif # SPI
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