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# SPDX-License-Identifier: GPL-2.0-only
#
# Sensor device configuration
#
menu "I2C Hardware Bus support"
depends on HAS_IOMEM
comment "PC SMBus host controller drivers"
depends on PCI
config I2C_CCGX_UCSI
tristate
help
A common module to provide an API to instantiate UCSI device
for Cypress CCGx Type-C controller. Individual bus drivers
need to select this one on demand.
config I2C_ALI1535
tristate "ALI 1535"
depends on PCI
help
If you say yes to this option, support will be included for the SMB
Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB
controller is part of the 7101 device, which is an ACPI-compliant
Power Management Unit (PMU).
This driver can also be built as a module. If so, the module
will be called i2c-ali1535.
config I2C_ALI1563
tristate "ALI 1563"
depends on PCI
help
If you say yes to this option, support will be included for the SMB
Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB
controller is part of the 7101 device, which is an ACPI-compliant
Power Management Unit (PMU).
This driver can also be built as a module. If so, the module
will be called i2c-ali1563.
config I2C_ALI15X3
tristate "ALI 15x3"
depends on PCI
help
If you say yes to this option, support will be included for the
Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
This driver can also be built as a module. If so, the module
will be called i2c-ali15x3.
config I2C_AMD756
tristate "AMD 756/766/768/8111 and nVidia nForce"
depends on PCI
help
If you say yes to this option, support will be included for the AMD
756/766/768 mainboard I2C interfaces. The driver also includes
support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
the nVidia nForce I2C interface.
This driver can also be built as a module. If so, the module
will be called i2c-amd756.
config I2C_AMD756_S4882
tristate "SMBus multiplexing on the Tyan S4882"
depends on I2C_AMD756 && X86
help
Enabling this option will add specific SMBus support for the Tyan
S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
over 8 different channels, where the various memory module EEPROMs
and temperature sensors live. Saying yes here will give you access
to these in addition to the trunk.
This driver can also be built as a module. If so, the module
will be called i2c-amd756-s4882.
config I2C_AMD8111
tristate "AMD 8111"
depends on PCI
help
If you say yes to this option, support will be included for the
second (SMBus 2.0) AMD 8111 mainboard I2C interface.
This driver can also be built as a module. If so, the module
will be called i2c-amd8111.
config I2C_AMD_MP2
tristate "AMD MP2 PCIe"
depends on PCI && ACPI
help
If you say yes to this option, support will be included for the AMD
MP2 PCIe I2C adapter.
This driver can also be built as modules. If so, the modules will
be called i2c-amd-mp2-pci and i2c-amd-mp2-plat.
config I2C_HIX5HD2
tristate "Hix5hd2 high-speed I2C driver"
depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
help
Say Y here to include support for the high-speed I2C controller
used in HiSilicon hix5hd2 SoCs.
This driver can also be built as a module. If so, the module
will be called i2c-hix5hd2.
config I2C_I801
tristate "Intel 82801 (ICH/PCH)"
depends on PCI
select P2SB if X86
select CHECK_SIGNATURE if X86 && DMI
select I2C_SMBUS
help
If you say yes to this option, support will be included for the Intel
801 family of mainboard I2C interfaces. Specifically, the following
versions of the chipset are supported:
82801AA
82801AB
82801BA
82801CA/CAM
82801DB
82801EB/ER (ICH5/ICH5R)
6300ESB
ICH6
ICH7
ESB2
ICH8
ICH9
EP80579 (Tolapai)
ICH10
5/3400 Series (PCH)
6 Series (PCH)
Patsburg (PCH)
DH89xxCC (PCH)
Panther Point (PCH)
Lynx Point (PCH)
Avoton (SOC)
Wellsburg (PCH)
Coleto Creek (PCH)
Wildcat Point (PCH)
BayTrail (SOC)
Braswell (SOC)
Sunrise Point (PCH)
Kaby Lake (PCH)
DNV (SOC)
Broxton (SOC)
Lewisburg (PCH)
Gemini Lake (SOC)
Cannon Lake (PCH)
Cedar Fork (PCH)
Ice Lake (PCH)
Comet Lake (PCH)
Elkhart Lake (PCH)
Tiger Lake (PCH)
Jasper Lake (SOC)
Emmitsburg (PCH)
Alder Lake (PCH)
Raptor Lake (PCH)
Meteor Lake (SOC)
This driver can also be built as a module. If so, the module
will be called i2c-i801.
config I2C_ISCH
tristate "Intel SCH SMBus 1.0"
depends on PCI
select LPC_SCH
help
Say Y here if you want to use SMBus controller on the Intel SCH
based systems.
This driver can also be built as a module. If so, the module
will be called i2c-isch.
config I2C_ISMT
tristate "Intel iSMT SMBus Controller"
depends on PCI && X86
help
If you say yes to this option, support will be included for the Intel
iSMT SMBus host controller interface.
This driver can also be built as a module. If so, the module will be
called i2c-ismt.
config I2C_PIIX4
tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
depends on PCI
help
If you say yes to this option, support will be included for the Intel
PIIX4 family of mainboard I2C interfaces. Specifically, the following
versions of the chipset are supported (note that Serverworks is part
of Broadcom):
Intel PIIX4
Intel 440MX
ATI IXP200
ATI IXP300
ATI IXP400
ATI SB600
ATI SB700/SP5100
ATI SB800
AMD Hudson-2
AMD ML
AMD CZ
Hygon CZ
Serverworks OSB4
Serverworks CSB5
Serverworks CSB6
Serverworks HT-1000
Serverworks HT-1100
SMSC Victory66
Some AMD chipsets contain two PIIX4-compatible SMBus
controllers. This driver will attempt to use both controllers
on the SB700/SP5100, if they have been initialized by the BIOS.
This driver can also be built as a module. If so, the module
will be called i2c-piix4.
config I2C_CHT_WC
tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
depends on INTEL_SOC_PMIC_CHTWC
help
If you say yes to this option, support will be included for the
SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
found on some Intel Cherry Trail systems.
Note this controller is hooked up to a TI bq24292i charger-IC,
combined with a FUSB302 Type-C port-controller as such it is advised
to also select CONFIG_TYPEC_FUSB302=m.
config I2C_NFORCE2
tristate "Nvidia nForce2, nForce3 and nForce4"
depends on PCI
help
If you say yes to this option, support will be included for the Nvidia
nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
This driver can also be built as a module. If so, the module
will be called i2c-nforce2.
config I2C_NFORCE2_S4985
tristate "SMBus multiplexing on the Tyan S4985"
depends on I2C_NFORCE2 && X86
help
Enabling this option will add specific SMBus support for the Tyan
S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
over 4 different channels, where the various memory module EEPROMs
live. Saying yes here will give you access to these in addition
to the trunk.
This driver can also be built as a module. If so, the module
will be called i2c-nforce2-s4985.
config I2C_NVIDIA_GPU
tristate "NVIDIA GPU I2C controller"
depends on PCI
select I2C_CCGX_UCSI
help
If you say yes to this option, support will be included for the
NVIDIA GPU I2C controller which is used to communicate with the GPU's
Type-C controller. This driver can also be built as a module called
i2c-nvidia-gpu.
config I2C_SIS5595
tristate "SiS 5595"
depends on PCI
help
If you say yes to this option, support will be included for the
SiS5595 SMBus (a subset of I2C) interface.
This driver can also be built as a module. If so, the module
will be called i2c-sis5595.
config I2C_SIS630
tristate "SiS 630/730/964"
depends on PCI
help
If you say yes to this option, support will be included for the
SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
This driver can also be built as a module. If so, the module
will be called i2c-sis630.
config I2C_SIS96X
tristate "SiS 96x"
depends on PCI
help
If you say yes to this option, support will be included for the SiS
96x SMBus (a subset of I2C) interfaces. Specifically, the following
chipsets are supported:
645/961
645DX/961
645DX/962
648/961
650/961
735
745
This driver can also be built as a module. If so, the module
will be called i2c-sis96x.
config I2C_VIA
tristate "VIA VT82C586B"
depends on PCI
select I2C_ALGOBIT
help
If you say yes to this option, support will be included for the VIA
82C586B I2C interface
This driver can also be built as a module. If so, the module
will be called i2c-via.
config I2C_VIAPRO
tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
depends on PCI
help
If you say yes to this option, support will be included for the VIA
VT82C596 and later SMBus interface. Specifically, the following
chipsets are supported:
VT82C596A/B
VT82C686A/B
VT8231
VT8233/A
VT8235
VT8237R/A/S
VT8251
CX700
VX800/VX820
VX855/VX875
VX900
This driver can also be built as a module. If so, the module
will be called i2c-viapro.
if ACPI
comment "ACPI drivers"
config I2C_SCMI
tristate "SMBus Control Method Interface"
help
This driver supports the SMBus Control Method Interface. It needs the
BIOS to declare ACPI control methods as described in the SMBus Control
Method Interface specification.
To compile this driver as a module, choose M here:
the module will be called i2c-scmi.
endif # ACPI
comment "Mac SMBus host controller drivers"
depends on PPC_CHRP || PPC_PMAC
config I2C_HYDRA
tristate "CHRP Apple Hydra Mac I/O I2C interface"
depends on PCI && PPC_CHRP
select I2C_ALGOBIT
help
This supports the use of the I2C interface in the Apple Hydra Mac
I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
have such a machine.
This support is also available as a module. If so, the module
will be called i2c-hydra.
config I2C_POWERMAC
tristate "Powermac I2C interface"
depends on PPC_PMAC
default y
help
This exposes the various PowerMac i2c interfaces to the linux i2c
layer and to userland. It is used by various drivers on the PowerMac
platform, and should generally be enabled.
This support is also available as a module. If so, the module
will be called i2c-powermac.
comment "I2C system bus drivers (mostly embedded / system-on-chip)"
config I2C_ALTERA
tristate "Altera Soft IP I2C"
depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
depends on OF
help
If you say yes to this option, support will be included for the
Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
This driver can also be built as a module. If so, the module
will be called i2c-altera.
config I2C_ASPEED
tristate "Aspeed I2C Controller"
depends on ARCH_ASPEED || COMPILE_TEST
help
If you say yes to this option, support will be included for the
Aspeed I2C controller.
This driver can also be built as a module. If so, the module
will be called i2c-aspeed.
config I2C_AT91
tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
depends on ARCH_AT91 || COMPILE_TEST
help
This supports the use of the I2C interface on Atmel AT91
processors.
A serious problem is that there is no documented way to issue
repeated START conditions for more than two messages, as needed
to support combined I2C messages. Use the i2c-gpio driver
unless your system can cope with this limitation.
Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
don't have clock stretching in transmission mode. For that reason,
you can encounter underrun issues causing premature stop sendings if
the latency to fill the transmission register is too long. If you
are facing this situation, use the i2c-gpio driver.
config I2C_AT91_SLAVE_EXPERIMENTAL
tristate "Microchip AT91 I2C experimental slave mode"
depends on I2C_AT91
select I2C_SLAVE
help
If you say yes to this option, support for the slave mode will be
added. Caution: do not use it for production. This feature has not
been tested in a heavy way, help wanted.
There are known bugs:
- It can hang, on a SAMA5D4, after several transfers.
- There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as
master.
config I2C_AU1550
tristate "Au1550/Au1200/Au1300 SMBus interface"
depends on MIPS_ALCHEMY
help
If you say yes to this option, support will be included for the
Au1550/Au1200/Au1300 SMBus interface.
This driver can also be built as a module. If so, the module
will be called i2c-au1550.
config I2C_AXXIA
tristate "Axxia I2C controller"
depends on ARCH_AXXIA || COMPILE_TEST
default ARCH_AXXIA
select I2C_SLAVE
help
Say yes if you want to support the I2C bus on Axxia platforms.
Please note that this controller is limited to transfers of maximum
255 bytes in length. Any attempt to to a larger transfer will return
an error.
config I2C_BCM2835
tristate "Broadcom BCM2835 I2C controller"
depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
depends on COMMON_CLK
help
If you say yes to this option, support will be included for the
BCM2835 I2C controller.
If you don't know what to do here, say N.
This support is also available as a module. If so, the module
will be called i2c-bcm2835.
config I2C_BCM_IPROC
tristate "Broadcom iProc I2C controller"
depends on ARCH_BCM_IPROC || COMPILE_TEST
default ARCH_BCM_IPROC
select I2C_SLAVE
help
If you say yes to this option, support will be included for the
Broadcom iProc I2C controller.
If you don't know what to do here, say N.
config I2C_BCM_KONA
tristate "BCM Kona I2C adapter"
depends on ARCH_BCM_MOBILE || COMPILE_TEST
default y if ARCH_BCM_MOBILE
help
If you say yes to this option, support will be included for the
I2C interface on the Broadcom Kona family of processors.
If you do not need KONA I2C interface, say N.
config I2C_BRCMSTB
tristate "BRCM Settop/DSL I2C controller"
depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \
BMIPS_GENERIC || COMPILE_TEST
default y
help
If you say yes to this option, support will be included for the
I2C interface on the Broadcom Settop/DSL SoCs.
If you do not need I2C interface, say N.
config I2C_CADENCE
tristate "Cadence I2C Controller"
depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST
help
Say yes here to select Cadence I2C Host Controller. This controller is
e.g. used by Xilinx Zynq.
config I2C_CBUS_GPIO
tristate "CBUS I2C driver"
depends on GPIOLIB || COMPILE_TEST
help
Support for CBUS access using I2C API. Mostly relevant for Nokia
Internet Tablets (770, N800 and N810).
This driver can also be built as a module. If so, the module
will be called i2c-cbus-gpio.
config I2C_CPM
tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
depends on CPM1 || CPM2
help
This supports the use of the I2C interface on Freescale
processors with CPM1 or CPM2.
This driver can also be built as a module. If so, the module
will be called i2c-cpm.
config I2C_DAVINCI
tristate "DaVinci I2C driver"
depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
help
Support for TI DaVinci I2C controller driver.
This driver can also be built as a module. If so, the module
will be called i2c-davinci.
Please note that this driver might be needed to bring up other
devices such as DaVinci NIC.
For details please see http://www.ti.com/davinci
config I2C_DESIGNWARE_CORE
tristate
select REGMAP
config I2C_DESIGNWARE_SLAVE
bool "Synopsys DesignWare Slave"
depends on I2C_DESIGNWARE_CORE
select I2C_SLAVE
help
If you say yes to this option, support will be included for the
Synopsys DesignWare I2C slave adapter.
This is not a standalone module, this module compiles together with
i2c-designware-core.
config I2C_DESIGNWARE_PLATFORM
tristate "Synopsys DesignWare Platform"
depends on (ACPI && COMMON_CLK) || !ACPI
select I2C_DESIGNWARE_CORE
select MFD_SYSCON if MIPS_BAIKAL_T1
help
If you say yes to this option, support will be included for the
Synopsys DesignWare I2C adapter.
This driver can also be built as a module. If so, the module
will be called i2c-designware-platform.
config I2C_DESIGNWARE_AMDPSP
bool "AMD PSP I2C semaphore support"
depends on X86_MSR
depends on ACPI
depends on I2C_DESIGNWARE_PLATFORM
help
This driver enables managed host access to the selected I2C bus shared
between AMD CPU and AMD PSP.
You should say Y if running on an AMD system equipped with the PSP.
config I2C_DESIGNWARE_BAYTRAIL
bool "Intel Baytrail I2C semaphore support"
depends on ACPI
depends on I2C_DESIGNWARE_PLATFORM
depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
(I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
help
This driver enables managed host access to the PMIC I2C bus on select
Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
the host to request uninterrupted access to the PMIC's I2C bus from
the platform firmware controlling it. You should say Y if running on
a BayTrail system using the AXP288.
config I2C_DESIGNWARE_PCI
tristate "Synopsys DesignWare PCI"
depends on PCI
select I2C_DESIGNWARE_CORE
select I2C_CCGX_UCSI
help
If you say yes to this option, support will be included for the
Synopsys DesignWare I2C adapter. Only master mode is supported.
This driver can also be built as a module. If so, the module
will be called i2c-designware-pci.
config I2C_DIGICOLOR
tristate "Conexant Digicolor I2C driver"
depends on ARCH_DIGICOLOR || COMPILE_TEST
help
Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
This driver can also be built as a module. If so, the module
will be called i2c-digicolor.
config I2C_EG20T
tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
help
This driver is for PCH(Platform controller Hub) I2C of EG20T which
is an IOH(Input/Output Hub) for x86 embedded processor.
This driver can access PCH I2C bus device.
This driver also can be used for LAPIS Semiconductor IOH(Input/
Output Hub), ML7213, ML7223 and ML7831.
ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
for MP(Media Phone) use and ML7831 IOH is for general purpose use.
ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
config I2C_EMEV2
tristate "EMMA Mobile series I2C adapter"
depends on HAVE_CLK
select I2C_SLAVE
help
If you say yes to this option, support will be included for the
I2C interface on the Renesas Electronics EM/EV family of processors.
config I2C_EXYNOS5
tristate "Exynos high-speed I2C driver"
depends on OF
depends on ARCH_EXYNOS || COMPILE_TEST
default y if ARCH_EXYNOS
help
High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
Choose Y here only if you build for such Samsung SoC.
config I2C_GPIO
tristate "GPIO-based bitbanging I2C"
depends on GPIOLIB || COMPILE_TEST
select I2C_ALGOBIT
help
This is a very simple bitbanging I2C driver utilizing the
arch-neutral GPIO API to control the SCL and SDA lines.
config I2C_GPIO_FAULT_INJECTOR
bool "GPIO-based fault injector"
depends on I2C_GPIO
help
This adds some functionality to the i2c-gpio driver which can inject
faults to an I2C bus, so another bus master can be stress-tested.
This is for debugging. If unsure, say 'no'.
config I2C_HIGHLANDER
tristate "Highlander FPGA SMBus interface"
depends on SH_HIGHLANDER || COMPILE_TEST
help
If you say yes to this option, support will be included for
the SMBus interface located in the FPGA on various Highlander
boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
FPGAs. This is wholly unrelated to the SoC I2C.
This driver can also be built as a module. If so, the module
will be called i2c-highlander.
config I2C_HISI
tristate "HiSilicon I2C controller"
depends on (ARM64 && ACPI) || COMPILE_TEST
help
Say Y here if you want to have Hisilicon I2C controller support
available on the Kunpeng Server.
This driver can also be built as a module. If so, the module
will be called i2c-hisi.
config I2C_IBM_IIC
tristate "IBM PPC 4xx on-chip I2C interface"
depends on 4xx
help
Say Y here if you want to use IIC peripheral found on
embedded IBM PPC 4xx based systems.
This driver can also be built as a module. If so, the module
will be called i2c-ibm_iic.
config I2C_IMG
tristate "Imagination Technologies I2C SCB Controller"
depends on MIPS || COMPILE_TEST
help
Say Y here if you want to use the IMG I2C SCB controller,
available on the TZ1090 and other IMG SoCs.
This driver can also be built as a module. If so, the module
will be called i2c-img-scb.
config I2C_IMX
tristate "IMX I2C interface"
depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST
select I2C_SLAVE
help
Say Y here if you want to use the IIC bus controller on
the Freescale i.MX/MXC, Layerscape or ColdFire processors.
This driver can also be built as a module. If so, the module
will be called i2c-imx.
config I2C_IMX_LPI2C
tristate "IMX Low Power I2C interface"
depends on ARCH_MXC || COMPILE_TEST
help
Say Y here if you want to use the Low Power IIC bus controller
on the Freescale i.MX processors.
This driver can also be built as a module. If so, the module
will be called i2c-imx-lpi2c.
config I2C_IOP3XX
tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
depends on ARCH_IOP32X || ARCH_IXP4XX || COMPILE_TEST
help
Say Y here if you want to use the IIC bus controller on
the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
This driver can also be built as a module. If so, the module
will be called i2c-iop3xx.
config I2C_JZ4780
tristate "JZ4780 I2C controller interface support"
depends on MIPS || COMPILE_TEST
help
If you say yes to this option, support will be included for the
Ingenic JZ4780 I2C controller.
If you don't know what to do here, say N.
config I2C_KEMPLD
tristate "Kontron COM I2C Controller"
depends on MFD_KEMPLD
help
This enables support for the I2C bus interface on some Kontron ETX
and COMexpress (ETXexpress) modules.
This driver can also be built as a module. If so, the module
will be called i2c-kempld.
config I2C_LPC2K
tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
help
This driver supports the I2C interface found several NXP
devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
This driver can also be built as a module. If so, the module
will be called i2c-lpc2k.
config I2C_MLXBF
tristate "Mellanox BlueField I2C controller"
depends on MELLANOX_PLATFORM && ARM64
depends on ACPI
select I2C_SLAVE
help
Enabling this option will add I2C SMBus support for Mellanox BlueField
system.
This driver can also be built as a module. If so, the module will be
called i2c-mlxbf.
This driver implements an I2C SMBus host controller and enables both
master and slave functions.
config I2C_MESON
tristate "Amlogic Meson I2C controller"
depends on ARCH_MESON || COMPILE_TEST
depends on COMMON_CLK
help
If you say yes to this option, support will be included for the
I2C interface on the Amlogic Meson family of SoCs.
config I2C_MICROCHIP_CORE
tristate "Microchip FPGA I2C controller"
depends on SOC_MICROCHIP_POLARFIRE || COMPILE_TEST
depends on OF
help
If you say yes to this option, support will be included for the
I2C interface on Microchip FPGAs.
This driver can also be built as a module. If so, the module will be
called i2c-microchip-core.
config I2C_MPC
tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
depends on PPC
help
If you say yes to this option, support will be included for the
built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
This driver can also be built as a module. If so, the module
will be called i2c-mpc.
config I2C_MT65XX
tristate "MediaTek I2C adapter"
depends on ARCH_MEDIATEK || COMPILE_TEST
help
This selects the MediaTek(R) Integrated Inter Circuit bus driver
for MT65xx and MT81xx.
If you want to use MediaTek(R) I2C interface, say Y or M here.
If unsure, say N.
config I2C_MT7621
tristate "MT7621/MT7628 I2C Controller"
depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST
help
Say Y here to include support for I2C controller in the
MediaTek MT7621/MT7628 SoCs.
config I2C_MV64XXX
tristate "Marvell mv64xxx I2C Controller"
depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
help
If you say yes to this option, support will be included for the
built-in I2C interface on the Marvell 64xxx line of host bridges.
This driver is also used for Allwinner SoCs I2C controllers.
This driver can also be built as a module. If so, the module
will be called i2c-mv64xxx.
config I2C_MXS
tristate "Freescale i.MX28 I2C interface"
depends on SOC_IMX28 || COMPILE_TEST
select STMP_DEVICE
help
Say Y here if you want to use the I2C bus controller on
the Freescale i.MX28 processors.
This driver can also be built as a module. If so, the module
will be called i2c-mxs.
config I2C_NOMADIK
tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
depends on ARM_AMBA
help
If you say yes to this option, support will be included for the
I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
as well as the STA2X11 PCIe I/O HUB.
config I2C_NPCM
tristate "Nuvoton I2C Controller"
depends on ARCH_NPCM || COMPILE_TEST
help
If you say yes to this option, support will be included for the
Nuvoton I2C controller, which is available on the NPCM BMC
controllers.
Driver can also support slave mode (select I2C_SLAVE).
config I2C_OCORES
tristate "OpenCores I2C Controller"
help
If you say yes to this option, support will be included for the
OpenCores I2C controller. For details see
http://www.opencores.org/projects.cgi/web/i2c/overview
This driver can also be built as a module. If so, the module
will be called i2c-ocores.
config I2C_OMAP
tristate "OMAP I2C adapter"
depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
default y if MACH_OMAP_H3 || MACH_OMAP_OSK
help
If you say yes to this option, support will be included for the
I2C interface on the Texas Instruments OMAP1/2 family of processors.
Like OMAP1510/1610/1710/5912 and OMAP242x.
For details see http://www.ti.com/omap.
config I2C_OWL
tristate "Actions Semiconductor Owl I2C Controller"
depends on ARCH_ACTIONS || COMPILE_TEST
help
Say Y here if you want to use the I2C bus controller on
the Actions Semiconductor Owl SoC's.
config I2C_PASEMI
tristate "PA Semi SMBus interface"
depends on PPC_PASEMI && PCI
help
Supports the PA Semi PWRficient on-chip SMBus interfaces.
config I2C_APPLE
tristate "Apple SMBus platform driver"
depends on ARCH_APPLE || COMPILE_TEST
default ARCH_APPLE
help
Say Y here if you want to use the I2C controller present on Apple
Silicon chips such as the M1.
This driver can also be built as a module. If so, the module
will be called i2c-apple.
config I2C_PCA_PLATFORM
tristate "PCA9564/PCA9665 as platform device"
select I2C_ALGOPCA
help
This driver supports a memory mapped Philips PCA9564/PCA9665
parallel bus to I2C bus controller.
This driver can also be built as a module. If so, the module
will be called i2c-pca-platform.
config I2C_PNX
tristate "I2C bus support for Philips PNX and NXP LPC targets"
depends on ARCH_LPC32XX || COMPILE_TEST
help
This driver supports the Philips IP3204 I2C IP block master and/or
slave controller
This driver can also be built as a module. If so, the module
will be called i2c-pnx.
config I2C_PXA
tristate "Intel PXA2XX I2C adapter"
depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
help
If you have devices in the PXA I2C bus, say yes to this option.
This driver can also be built as a module. If so, the module
will be called i2c-pxa.
config I2C_PXA_PCI
def_bool I2C_PXA && X86_32 && PCI && OF
config I2C_PXA_SLAVE
bool "Intel PXA2XX I2C Slave comms support"
depends on I2C_PXA && !X86_32
select I2C_SLAVE
help
Support I2C slave mode communications on the PXA I2C bus. This
is necessary for systems where the PXA may be a target on the
I2C bus.
config I2C_QCOM_CCI
tristate "Qualcomm Camera Control Interface"
depends on ARCH_QCOM || COMPILE_TEST
help
If you say yes to this option, support will be included for the
built-in camera control interface on the Qualcomm SoCs.
This driver can also be built as a module. If so, the module
will be called i2c-qcom-cci.
config I2C_QCOM_GENI
tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
depends on ARCH_QCOM || COMPILE_TEST
depends on QCOM_GENI_SE
help
This driver supports GENI serial engine based I2C 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 I2C
interface on the Qualcomm Technologies Inc.'s SoCs.
This driver can also be built as a module. If so, the module
will be called i2c-qcom-geni.
config I2C_QUP
tristate "Qualcomm QUP based I2C controller"
depends on ARCH_QCOM || COMPILE_TEST
help
If you say yes to this option, support will be included for the
built-in I2C interface on the Qualcomm SoCs.
This driver can also be built as a module. If so, the module
will be called i2c-qup.
config I2C_RIIC
tristate "Renesas RIIC adapter"
depends on ARCH_RENESAS || COMPILE_TEST
help
If you say yes to this option, support will be included for the
Renesas RIIC I2C interface.
This driver can also be built as a module. If so, the module
will be called i2c-riic.
config I2C_RK3X
tristate "Rockchip RK3xxx I2C adapter"
depends on OF && COMMON_CLK
help
Say Y here to include support for the I2C adapter in Rockchip RK3xxx
SoCs.
This driver can also be built as a module. If so, the module will
be called i2c-rk3x.
config I2C_RZV2M
tristate "Renesas RZ/V2M adapter"
depends on ARCH_RENESAS || COMPILE_TEST
help
If you say yes to this option, support will be included for the
Renesas RZ/V2M I2C interface.
This driver can also be built as a module. If so, the module
will be called i2c-rzv2m.
config I2C_S3C2410
tristate "S3C/Exynos I2C Driver"
depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || \
ARCH_S5PV210 || COMPILE_TEST
help
Say Y here to include support for I2C controller in the
Samsung SoCs (S3C, S5Pv210, Exynos).
config I2C_SH7760
tristate "Renesas SH7760 I2C Controller"
depends on CPU_SUBTYPE_SH7760
help
This driver supports the 2 I2C interfaces on the Renesas SH7760.
This driver can also be built as a module. If so, the module
will be called i2c-sh7760.
config I2C_SH_MOBILE
tristate "SuperH Mobile I2C Controller"
depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
help
If you say yes to this option, support will be included for the
built-in I2C interface on the Renesas SH-Mobile processor.
This driver can also be built as a module. If so, the module
will be called i2c-sh_mobile.
config I2C_SIMTEC
tristate "Simtec Generic I2C interface"
select I2C_ALGOBIT
help
If you say yes to this option, support will be included for
the Simtec Generic I2C interface. This driver is for the
simple I2C bus used on newer Simtec products for general
I2C, such as DDC on the Simtec BBD2016A.
This driver can also be built as a module. If so, the module
will be called i2c-simtec.
config I2C_SPRD
tristate "Spreadtrum I2C interface"
depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
depends on COMMON_CLK
help
If you say yes to this option, support will be included for the
Spreadtrum I2C interface.
config I2C_ST
tristate "STMicroelectronics SSC I2C support"
depends on ARCH_STI || COMPILE_TEST
help
Enable this option to add support for STMicroelectronics SoCs
hardware SSC (Synchronous Serial Controller) as an I2C controller.
This driver can also be built as module. If so, the module
will be called i2c-st.
config I2C_STM32F4
tristate "STMicroelectronics STM32F4 I2C support"
depends on ARCH_STM32 || COMPILE_TEST
help
Enable this option to add support for STM32 I2C controller embedded
in STM32F4 SoCs.
This driver can also be built as module. If so, the module
will be called i2c-stm32f4.
config I2C_STM32F7
tristate "STMicroelectronics STM32F7 I2C support"
depends on ARCH_STM32 || COMPILE_TEST
select I2C_SLAVE
select I2C_SMBUS
help
Enable this option to add support for STM32 I2C controller embedded
in STM32F7 SoCs.
This driver can also be built as module. If so, the module
will be called i2c-stm32f7.
config I2C_SUN6I_P2WI
tristate "Allwinner sun6i internal P2WI controller"
depends on RESET_CONTROLLER
depends on MACH_SUN6I || COMPILE_TEST
help
If you say yes to this option, support will be included for the
P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
SOCs.
The P2WI looks like an SMBus controller (which supports only byte
accesses), except that it only supports one slave device.
This interface is used to connect to specific PMIC devices (like the
AXP221).
config I2C_SYNQUACER
tristate "Socionext SynQuacer I2C controller"
depends on ARCH_SYNQUACER || COMPILE_TEST
help
Say Y here to include support for the I2C controller used in some
Fujitsu and Socionext SoCs.
This driver can also be built as a module. If so, the module
will be called i2c-synquacer.
config I2C_TEGRA
tristate "NVIDIA Tegra internal I2C controller"
depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
# COMPILE_TEST needs architectures with readsX()/writesX() primitives
help
If you say yes to this option, support will be included for the
I2C controller embedded in NVIDIA Tegra SOCs
config I2C_TEGRA_BPMP
tristate "NVIDIA Tegra BPMP I2C controller"
depends on TEGRA_BPMP || COMPILE_TEST
default y if TEGRA_BPMP
help
If you say yes to this option, support will be included for the I2C
controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
This I2C driver is a 'virtual' I2C driver. The real driver is part
of the BPMP firmware, and this driver merely communicates with that
real driver.
config I2C_UNIPHIER
tristate "UniPhier FIFO-less I2C controller"
depends on ARCH_UNIPHIER || COMPILE_TEST
help
If you say yes to this option, support will be included for
the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
or older UniPhier SoCs.
config I2C_UNIPHIER_F
tristate "UniPhier FIFO-builtin I2C controller"
depends on ARCH_UNIPHIER || COMPILE_TEST
help
If you say yes to this option, support will be included for
the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
PH1-Pro5, or newer UniPhier SoCs.
config I2C_VERSATILE
tristate "ARM Versatile/Realview I2C bus support"
depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
select I2C_ALGOBIT
help
Say yes if you want to support the I2C serial bus on ARMs Versatile
range of platforms.
This driver can also be built as a module. If so, the module
will be called i2c-versatile.
config I2C_WMT
tristate "Wondermedia WM8xxx SoC I2C bus support"
depends on ARCH_VT8500 || COMPILE_TEST
help
Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
SoCs.
This driver can also be built as a module. If so, the module will be
called i2c-wmt.
config I2C_OCTEON
tristate "Cavium OCTEON I2C bus support"
depends on CAVIUM_OCTEON_SOC
help
Say yes if you want to support the I2C serial bus on Cavium
OCTEON SOC.
This driver can also be built as a module. If so, the module
will be called i2c-octeon.
config I2C_THUNDERX
tristate "Cavium ThunderX I2C bus support"
depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
select I2C_SMBUS
help
Say yes if you want to support the I2C serial bus on Cavium
ThunderX SOC.
This driver can also be built as a module. If so, the module
will be called i2c-thunderx.
config I2C_XILINX
tristate "Xilinx I2C Controller"
depends on HAS_IOMEM
help
If you say yes to this option, support will be included for the
Xilinx I2C controller.
This driver can also be built as a module. If so, the module
will be called xilinx_i2c.
config I2C_XLP9XX
tristate "Cavium ThunderX2 I2C support"
depends on ARCH_THUNDER2 || COMPILE_TEST
help
This driver enables support for the on-chip I2C interface of
the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
This driver can also be built as a module. If so, the module will
be called i2c-xlp9xx.
config I2C_RCAR
tristate "Renesas R-Car I2C Controller"
depends on ARCH_RENESAS || COMPILE_TEST
select I2C_SLAVE
select I2C_SMBUS
select RESET_CONTROLLER if ARCH_RCAR_GEN3
help
If you say yes to this option, support will be included for the
R-Car I2C controller.
This driver can also be built as a module. If so, the module
will be called i2c-rcar.
comment "External I2C/SMBus adapter drivers"
config I2C_DIOLAN_U2C
tristate "Diolan U2C-12 USB adapter"
depends on USB
help
If you say yes to this option, support will be included for Diolan
U2C-12, a USB to I2C interface.
This driver can also be built as a module. If so, the module
will be called i2c-diolan-u2c.
config I2C_DLN2
tristate "Diolan DLN-2 USB I2C adapter"
depends on MFD_DLN2
help
If you say yes to this option, support will be included for Diolan
DLN2, a USB to I2C interface.
This driver can also be built as a module. If so, the module
will be called i2c-dln2.
config I2C_CP2615
tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
depends on USB
help
If you say yes to this option, support will be included for Silicon
Labs CP2615's I2C interface.
This driver can also be built as a module. If so, the module
will be called i2c-cp2615.
config I2C_PARPORT
tristate "Parallel port adapter"
depends on PARPORT
select I2C_ALGOBIT
select I2C_SMBUS
help
This supports parallel port I2C adapters such as the ones made by
Philips or Velleman, Analog Devices evaluation boards, and more.
Basically any adapter using the parallel port as an I2C bus with
no extra chipset is supported by this driver, or could be. Please
read the file Documentation/i2c/busses/i2c-parport.rst for details.
This support is also available as a module. If so, the module
will be called i2c-parport.
config I2C_PCI1XXXX
tristate "PCI1XXXX I2C Host Adapter"
depends on PCI
help
If you say yes to this option, support will be included for
Microchip PCI1XXXX's I2C interface.
This driver can also be built as a module. If so, the module will
be called i2c-mchp-pci1xxxx.
config I2C_ROBOTFUZZ_OSIF
tristate "RobotFuzz Open Source InterFace USB adapter"
depends on USB
help
If you say yes to this option, support will be included for the
RobotFuzz Open Source InterFace USB to I2C interface.
This driver can also be built as a module. If so, the module
will be called i2c-osif.
config I2C_TAOS_EVM
tristate "TAOS evaluation module"
depends on TTY
select SERIO
select SERIO_SERPORT
help
This supports TAOS evaluation modules on serial port. In order to
use this driver, you will need the inputattach tool, which is part
of the input-utils package.
If unsure, say N.
This support is also available as a module. If so, the module
will be called i2c-taos-evm.
config I2C_TINY_USB
tristate "Tiny-USB adapter"
depends on USB
help
If you say yes to this option, support will be included for the
i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
This driver can also be built as a module. If so, the module
will be called i2c-tiny-usb.
config I2C_VIPERBOARD
tristate "Viperboard I2C master support"
depends on MFD_VIPERBOARD && USB
help
Say yes here to access the I2C part of the Nano River
Technologies Viperboard as I2C master.
See viperboard API specification and Nano
River Tech's viperboard.h for detailed meaning
of the module parameters.
comment "Other I2C/SMBus bus drivers"
config I2C_ACORN
tristate "Acorn IOC/IOMD I2C bus support"
depends on ARCH_ACORN
default y
select I2C_ALGOBIT
help
Say yes if you want to support the I2C bus on Acorn platforms.
If you don't know, say Y.
config I2C_ELEKTOR
tristate "Elektor ISA card"
depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
select I2C_ALGOPCF
help
This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
such an adapter.
This support is also available as a module. If so, the module
will be called i2c-elektor.
config I2C_ICY
tristate "ICY Zorro card"
depends on ZORRO
select I2C_ALGOPCF
help
This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
Say Y if you own such an adapter.
This support is also available as a module. If so, the module
will be called i2c-icy.
If you have a 2019 edition board with an LTC2990 sensor at address
0x4c, loading the module 'ltc2990' is sufficient to enable it.
config I2C_MLXCPLD
tristate "Mellanox I2C driver"
depends on X86_64 || COMPILE_TEST
help
This exposes the Mellanox platform I2C busses to the linux I2C layer
for X86 based systems.
Controller is implemented as CPLD logic.
This driver can also be built as a module. If so, the module will be
called as i2c-mlxcpld.
config I2C_PCA_ISA
tristate "PCA9564/PCA9665 on an ISA bus"
depends on ISA
select I2C_ALGOPCA
help
This driver supports ISA boards using the Philips PCA9564/PCA9665
parallel bus to I2C bus controller.
This driver can also be built as a module. If so, the module
will be called i2c-pca-isa.
This device is almost undetectable and using this driver on a
system which doesn't have this device will result in long
delays when I2C/SMBus chip drivers are loaded (e.g. at boot
time). If unsure, say N.
config I2C_SIBYTE
tristate "SiByte SMBus interface"
depends on SIBYTE_SB1xxx_SOC
help
Supports the SiByte SOC on-chip I2C interfaces (2 channels).
config I2C_CROS_EC_TUNNEL
tristate "ChromeOS EC tunnel I2C bus"
depends on CROS_EC
help
If you say yes here you get an I2C bus that will tunnel i2c commands
through to the other side of the ChromeOS EC to the i2c bus
connected there. This will work whatever the interface used to
talk to the EC (SPI, I2C or LPC).
config I2C_XGENE_SLIMPRO
tristate "APM X-Gene SoC I2C SLIMpro devices support"
depends on ARCH_XGENE && MAILBOX
help
Enable I2C bus access using the APM X-Gene SoC SLIMpro
co-processor. The I2C device access the I2C bus via the X-Gene
to SLIMpro (On chip coprocessor) mailbox mechanism.
If unsure, say N.
config SCx200_ACB
tristate "Geode ACCESS.bus support"
depends on X86_32 && PCI
help
Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
SC1100 processors and the CS5535 and CS5536 Geode companion devices.
If you don't know what to do here, say N.
This support is also available as a module. If so, the module
will be called scx200_acb.
config I2C_OPAL
tristate "IBM OPAL I2C driver"
depends on PPC_POWERNV
default y
help
This exposes the PowerNV platform i2c busses to the linux i2c layer,
the driver is based on the OPAL interfaces.
This driver can also be built as a module. If so, the module will be
called as i2c-opal.
config I2C_FSI
tristate "FSI I2C driver"
depends on FSI
help
Driver for FSI bus attached I2C masters. These are I2C masters that
are connected to the system over an FSI bus, instead of the more
common PCI or MMIO interface.
This driver can also be built as a module. If so, the module will be
called as i2c-fsi.
config I2C_VIRTIO
tristate "Virtio I2C Adapter"
select VIRTIO
help
If you say yes to this option, support will be included for the virtio
I2C adapter driver. The hardware can be emulated by any device model
software according to the virtio protocol.
This driver can also be built as a module. If so, the module
will be called i2c-virtio.
endmenu
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