Kconfig 45.0 KB
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# SPDX-License-Identifier: GPL-2.0-only
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#
# Sensor device configuration
#

menu "I2C Hardware Bus support"
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	depends on HAS_IOMEM
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comment "PC SMBus host controller drivers"
	depends on PCI

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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.

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config I2C_ALI1535
	tristate "ALI 1535"
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	depends on PCI
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	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"
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	depends on PCI
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	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"
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	depends on PCI
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	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"
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	depends on PCI
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	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"
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	depends on I2C_AMD756 && X86
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	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"
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	depends on PCI
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	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.

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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.

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config I2C_HIX5HD2
	tristate "Hix5hd2 high-speed I2C driver"
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	depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
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	help
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	  Say Y here to include support for the high-speed I2C controller
	  used in HiSilicon hix5hd2 SoCs.
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	  This driver can also be built as a module. If so, the module
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	  will be called i2c-hix5hd2.

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config I2C_I801
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	tristate "Intel 82801 (ICH/PCH)"
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	depends on PCI
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	select P2SB if X86
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	select CHECK_SIGNATURE if X86 && DMI
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	select I2C_SMBUS
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	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
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	    ESB2
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	    ICH8
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	    ICH9
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	    EP80579 (Tolapai)
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	    ICH10
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	    5/3400 Series (PCH)
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	    6 Series (PCH)
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	    Patsburg (PCH)
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	    DH89xxCC (PCH)
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	    Panther Point (PCH)
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	    Lynx Point (PCH)
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	    Avoton (SOC)
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	    Wellsburg (PCH)
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	    Coleto Creek (PCH)
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	    Wildcat Point (PCH)
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	    BayTrail (SOC)
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	    Braswell (SOC)
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	    Sunrise Point (PCH)
	    Kaby Lake (PCH)
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	    DNV (SOC)
	    Broxton (SOC)
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	    Lewisburg (PCH)
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	    Gemini Lake (SOC)
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	    Cannon Lake (PCH)
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	    Cedar Fork (PCH)
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	    Ice Lake (PCH)
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	    Comet Lake (PCH)
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	    Elkhart Lake (PCH)
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	    Tiger Lake (PCH)
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	    Jasper Lake (SOC)
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	    Emmitsburg (PCH)
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	    Alder Lake (PCH)
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	    Raptor Lake (PCH)
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	    Meteor Lake (SOC)
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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-i801.

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config I2C_ISCH
	tristate "Intel SCH SMBus 1.0"
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	depends on PCI
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	select LPC_SCH
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	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.

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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.

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config I2C_PIIX4
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	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
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	depends on PCI
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	help
	  If you say yes to this option, support will be included for the Intel
	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
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	  versions of the chipset are supported (note that Serverworks is part
	  of Broadcom):
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	    Intel PIIX4
	    Intel 440MX
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	    ATI IXP200
	    ATI IXP300
	    ATI IXP400
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	    ATI SB600
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	    ATI SB700/SP5100
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	    ATI SB800
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	    AMD Hudson-2
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	    AMD ML
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	    AMD CZ
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	    Hygon CZ
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	    Serverworks OSB4
	    Serverworks CSB5
	    Serverworks CSB6
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	    Serverworks HT-1000
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	    Serverworks HT-1100
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	    SMSC Victory66

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	  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.

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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-piix4.

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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.

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	  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
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	  to also select CONFIG_TYPEC_FUSB302=m.
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config I2C_NFORCE2
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	tristate "Nvidia nForce2, nForce3 and nForce4"
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	depends on PCI
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	help
	  If you say yes to this option, support will be included for the Nvidia
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	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-nforce2.

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config I2C_NFORCE2_S4985
	tristate "SMBus multiplexing on the Tyan S4985"
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	depends on I2C_NFORCE2 && X86
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	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.

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config I2C_NVIDIA_GPU
	tristate "NVIDIA GPU I2C controller"
	depends on PCI
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	select I2C_CCGX_UCSI
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	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.

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config I2C_SIS5595
	tristate "SiS 5595"
	depends on PCI
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	help
	  If you say yes to this option, support will be included for the
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	  SiS5595 SMBus (a subset of I2C) interface.
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	  This driver can also be built as a module.  If so, the module
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	  will be called i2c-sis5595.
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config I2C_SIS630
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	tristate "SiS 630/730/964"
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	depends on PCI
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	help
	  If you say yes to this option, support will be included for the
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	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
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	  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"
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	depends on PCI
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	select I2C_ALGOBIT
	help
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	  If you say yes to this option, support will be included for the VIA
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	  82C586B I2C interface
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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-via.
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config I2C_VIAPRO
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	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
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	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
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	    VX800/VX820
	    VX855/VX875
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	    VX900
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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-viapro.
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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

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comment "Mac SMBus host controller drivers"
	depends on PPC_CHRP || PPC_PMAC
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config I2C_HYDRA
	tristate "CHRP Apple Hydra Mac I/O I2C interface"
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	depends on PCI && PPC_CHRP
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	select I2C_ALGOBIT
	help
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	  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.
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	  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.
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	  This support is also available as a module.  If so, the module
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	  will be called i2c-powermac.

comment "I2C system bus drivers (mostly embedded / system-on-chip)"

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config I2C_ALTERA
	tristate "Altera Soft IP I2C"
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	depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
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	depends on OF
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	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.

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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.

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config I2C_AT91
	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
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	depends on ARCH_AT91 || COMPILE_TEST
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	help
	  This supports the use of the I2C interface on Atmel AT91
	  processors.

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	  A serious problem is that there is no documented way to issue
	  repeated START conditions for more than two messages, as needed
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	  to support combined I2C messages.  Use the i2c-gpio driver
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	  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.
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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.

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config I2C_AU1550
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	tristate "Au1550/Au1200/Au1300 SMBus interface"
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	depends on MIPS_ALCHEMY
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	help
	  If you say yes to this option, support will be included for the
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	  Au1550/Au1200/Au1300 SMBus interface.
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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-au1550.

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config I2C_AXXIA
	tristate "Axxia I2C controller"
	depends on ARCH_AXXIA || COMPILE_TEST
	default ARCH_AXXIA
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	select I2C_SLAVE
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	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.

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config I2C_BCM2835
	tristate "Broadcom BCM2835 I2C controller"
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	depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
	depends on COMMON_CLK
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	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.

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config I2C_BCM_IPROC
	tristate "Broadcom iProc I2C controller"
	depends on ARCH_BCM_IPROC || COMPILE_TEST
	default ARCH_BCM_IPROC
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	select I2C_SLAVE
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	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.

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config I2C_BCM_KONA
	tristate "BCM Kona I2C adapter"
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	depends on ARCH_BCM_MOBILE || COMPILE_TEST
	default y if ARCH_BCM_MOBILE
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	help
	  If you say yes to this option, support will be included for the
	  I2C interface on the Broadcom Kona family of processors.

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	  If you do not need KONA I2C interface, say N.
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config I2C_BRCMSTB
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	tristate "BRCM Settop/DSL I2C controller"
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	depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \
		   BMIPS_GENERIC || COMPILE_TEST
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	default y
	help
	  If you say yes to this option, support will be included for the
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	  I2C interface on the Broadcom Settop/DSL SoCs.
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	  If you do not need I2C interface, say N.

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config I2C_CADENCE
	tristate "Cadence I2C Controller"
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	depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST
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	help
	  Say yes here to select Cadence I2C Host Controller. This controller is
	  e.g. used by Xilinx Zynq.

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config I2C_CBUS_GPIO
	tristate "CBUS I2C driver"
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	depends on GPIOLIB || COMPILE_TEST
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	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.

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config I2C_CPM
	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
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	depends on CPM1 || CPM2
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	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.

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config I2C_DAVINCI
	tristate "DaVinci I2C driver"
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	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
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	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

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config I2C_DESIGNWARE_CORE
	tristate
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	select REGMAP
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config I2C_DESIGNWARE_SLAVE
	bool "Synopsys DesignWare Slave"
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	depends on I2C_DESIGNWARE_CORE
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	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.

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config I2C_DESIGNWARE_PLATFORM
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	tristate "Synopsys DesignWare Platform"
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	depends on (ACPI && COMMON_CLK) || !ACPI
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	select I2C_DESIGNWARE_CORE
	select MFD_SYSCON if MIPS_BAIKAL_T1
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	help
	  If you say yes to this option, support will be included for the
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	  Synopsys DesignWare I2C adapter.
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	  This driver can also be built as a module.  If so, the module
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	  will be called i2c-designware-platform.
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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.

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config I2C_DESIGNWARE_BAYTRAIL
	bool "Intel Baytrail I2C semaphore support"
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	depends on ACPI
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	depends on I2C_DESIGNWARE_PLATFORM
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	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
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	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.

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config I2C_DESIGNWARE_PCI
	tristate "Synopsys DesignWare PCI"
	depends on PCI
	select I2C_DESIGNWARE_CORE
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	select I2C_CCGX_UCSI
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	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.

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config I2C_DIGICOLOR
	tristate "Conexant Digicolor I2C driver"
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	depends on ARCH_DIGICOLOR || COMPILE_TEST
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	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.

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config I2C_EG20T
	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
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	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
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	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.

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config I2C_EMEV2
	tristate "EMMA Mobile series I2C adapter"
	depends on HAVE_CLK
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	select I2C_SLAVE
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	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.

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config I2C_EXYNOS5
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	tristate "Exynos high-speed I2C driver"
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	depends on OF
	depends on ARCH_EXYNOS || COMPILE_TEST
	default y if ARCH_EXYNOS
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	help
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	  High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
	  Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
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	  Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
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	  Choose Y here only if you build for such Samsung SoC.
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config I2C_GPIO
	tristate "GPIO-based bitbanging I2C"
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	depends on GPIOLIB || COMPILE_TEST
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	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.

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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'.

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config I2C_GXP
	tristate "GXP I2C Interface"
	depends on ARCH_HPE_GXP || COMPILE_TEST
	help
	  This enables support for GXP I2C interface. The I2C engines can be
	  either I2C master or I2C slaves.

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config I2C_HIGHLANDER
	tristate "Highlander FPGA SMBus interface"
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	depends on SH_HIGHLANDER || COMPILE_TEST
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	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.

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config I2C_HISI
	tristate "HiSilicon I2C controller"
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	depends on ARM64 || COMPILE_TEST
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	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.

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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.

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config I2C_IMG
	tristate "Imagination Technologies I2C SCB Controller"
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	depends on MIPS || COMPILE_TEST
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	help
	  Say Y here if you want to use the IMG I2C SCB controller,
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	  available on the TZ1090 and other IMG SoCs.
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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-img-scb.

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config I2C_IMX
	tristate "IMX I2C interface"
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	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST
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	select I2C_SLAVE
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	help
	  Say Y here if you want to use the IIC bus controller on
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	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-imx.

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config I2C_IMX_LPI2C
	tristate "IMX Low Power I2C interface"
	depends on ARCH_MXC || COMPILE_TEST
	help
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	  Say Y here if you want to use the Low Power IIC bus controller
	  on the Freescale i.MX processors.
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	  This driver can also be built as a module. If so, the module
	  will be called i2c-imx-lpi2c.
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config I2C_IOP3XX
	tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
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	depends on ARCH_IOP32X || ARCH_IXP4XX || COMPILE_TEST
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	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.

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config I2C_JZ4780
	tristate "JZ4780 I2C controller interface support"
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	depends on MIPS || COMPILE_TEST
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	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.

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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.

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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.

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config I2C_LS2X
	tristate "Loongson LS2X I2C adapter"
	depends on MACH_LOONGSON64 || COMPILE_TEST
	help
	  If you say yes to this option, support will be included for the
	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
	  chip.

	  This driver can also be built as a module. If so, the module
	  will be called i2c-ls2x.

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config I2C_MLXBF
        tristate "Mellanox BlueField I2C controller"
784
        depends on MELLANOX_PLATFORM && ARM64
785
	depends on ACPI
786
	select I2C_SLAVE
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        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.

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config I2C_MESON
	tristate "Amlogic Meson I2C controller"
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	depends on ARCH_MESON || COMPILE_TEST
800
	depends on COMMON_CLK
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	help
	  If you say yes to this option, support will be included for the
	  I2C interface on the Amlogic Meson family of SoCs.

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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.

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config I2C_MPC
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	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
818
	depends on PPC
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	help
	  If you say yes to this option, support will be included for the
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	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-mpc.

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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.

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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.

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config I2C_MV64XXX
	tristate "Marvell mv64xxx I2C Controller"
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	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
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	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.
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	  This driver is also used for Allwinner SoCs I2C controllers.
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	  This driver can also be built as a module.  If so, the module
	  will be called i2c-mv64xxx.

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config I2C_MXS
	tristate "Freescale i.MX28 I2C interface"
856
	depends on SOC_IMX28 || COMPILE_TEST
857
	select STMP_DEVICE
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	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.

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config I2C_NOMADIK
	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
867
	depends on ARM_AMBA
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	help
	  If you say yes to this option, support will be included for the
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	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
	  as well as the STA2X11 PCIe I/O HUB.
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config I2C_NPCM
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	tristate "Nuvoton I2C Controller"
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	depends on ARCH_NPCM || COMPILE_TEST
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	help
	  If you say yes to this option, support will be included for the
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	  Nuvoton I2C controller, which is available on the NPCM BMC
	  controllers.
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	  Driver can also support slave mode (select I2C_SLAVE).

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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"
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	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
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	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.
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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.

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config I2C_PASEMI
	tristate "PA Semi SMBus interface"
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	depends on PPC_PASEMI && PCI
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	help
	  Supports the PA Semi PWRficient on-chip SMBus interfaces.

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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.

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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.

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config I2C_PNX
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	tristate "I2C bus support for Philips PNX and NXP LPC targets"
938
	depends on ARCH_LPC32XX || COMPILE_TEST
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	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
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	tristate "Intel PXA2XX I2C adapter"
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	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
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	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.

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config I2C_PXA_PCI
	def_bool I2C_PXA && X86_32 && PCI && OF

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config I2C_PXA_SLAVE
	bool "Intel PXA2XX I2C Slave comms support"
959
	depends on I2C_PXA && !X86_32
960
	select I2C_SLAVE
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	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.

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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.

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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.

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config I2C_QUP
	tristate "Qualcomm QUP based I2C controller"
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	depends on ARCH_QCOM || COMPILE_TEST
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	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.

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config I2C_RIIC
	tristate "Renesas RIIC adapter"
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	depends on ARCH_RENESAS || COMPILE_TEST
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	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.

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config I2C_RK3X
	tristate "Rockchip RK3xxx I2C adapter"
1011
	depends on OF && COMMON_CLK
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	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.

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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.

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config I2C_S3C2410
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	tristate "S3C/Exynos I2C Driver"
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	depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || \
		   ARCH_S5PV210 || COMPILE_TEST
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	help
	  Say Y here to include support for I2C controller in the
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	  Samsung SoCs (S3C, S5Pv210, Exynos).
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config I2C_SH7760
	tristate "Renesas SH7760 I2C Controller"
	depends on CPU_SUBTYPE_SH7760
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	help
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	  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"
1048
	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
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	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.
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config I2C_SIMTEC
	tristate "Simtec Generic I2C interface"
	select I2C_ALGOBIT
	help
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	  If you say yes to this option, support will be included for
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	  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.

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	  This driver can also be built as a module. If so, the module
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	  will be called i2c-simtec.

1068
config I2C_SPRD
1069
	tristate "Spreadtrum I2C interface"
1070
	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1071
	depends on COMMON_CLK
1072 1073 1074 1075
	help
	  If you say yes to this option, support will be included for the
	  Spreadtrum I2C interface.

1076 1077
config I2C_ST
	tristate "STMicroelectronics SSC I2C support"
1078
	depends on ARCH_STI || COMPILE_TEST
1079 1080 1081 1082 1083 1084 1085
	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.

1086 1087 1088 1089 1090 1091 1092 1093 1094 1095
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.

1096 1097 1098
config I2C_STM32F7
	tristate "STMicroelectronics STM32F7 I2C support"
	depends on ARCH_STM32 || COMPILE_TEST
1099
	select I2C_SLAVE
1100
	select I2C_SMBUS
1101 1102 1103 1104 1105 1106 1107
	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.

1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120
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).

1121 1122 1123 1124 1125 1126 1127 1128 1129 1130
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.

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config I2C_TEGRA
	tristate "NVIDIA Tegra internal I2C controller"
1133 1134
	depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
	# COMPILE_TEST needs architectures with readsX()/writesX() primitives
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	help
	  If you say yes to this option, support will be included for the
	  I2C controller embedded in NVIDIA Tegra SOCs

1139 1140
config I2C_TEGRA_BPMP
	tristate "NVIDIA Tegra BPMP I2C controller"
1141 1142
	depends on TEGRA_BPMP || COMPILE_TEST
	default y if TEGRA_BPMP
1143 1144 1145 1146 1147 1148 1149 1150
	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.

1151 1152
config I2C_UNIPHIER
	tristate "UniPhier FIFO-less I2C controller"
1153
	depends on ARCH_UNIPHIER || COMPILE_TEST
1154 1155 1156 1157 1158
	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.

1159 1160
config I2C_UNIPHIER_F
	tristate "UniPhier FIFO-builtin I2C controller"
1161
	depends on ARCH_UNIPHIER || COMPILE_TEST
1162 1163 1164 1165 1166
	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.

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config I2C_VERSATILE
	tristate "ARM Versatile/Realview I2C bus support"
1169
	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
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	select I2C_ALGOBIT
	help
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	  Say yes if you want to support the I2C serial bus on ARMs Versatile
	  range of platforms.
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1174

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1175 1176
	  This driver can also be built as a module.  If so, the module
	  will be called i2c-versatile.
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1178 1179
config I2C_WMT
	tristate "Wondermedia WM8xxx SoC I2C bus support"
1180
	depends on ARCH_VT8500 || COMPILE_TEST
1181 1182 1183 1184 1185 1186 1187
	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.

1188 1189
config I2C_OCTEON
	tristate "Cavium OCTEON I2C bus support"
1190
	depends on CAVIUM_OCTEON_SOC
1191 1192 1193 1194 1195 1196 1197
	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.

1198 1199 1200
config I2C_THUNDERX
	tristate "Cavium ThunderX I2C bus support"
	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1201
	select I2C_SMBUS
1202 1203 1204 1205 1206 1207 1208
	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.

1209 1210
config I2C_XILINX
	tristate "Xilinx I2C Controller"
1211
	depends on HAS_IOMEM
1212 1213 1214 1215 1216 1217 1218
	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.

1219
config I2C_XLP9XX
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	tristate "Cavium ThunderX2 I2C support"
	depends on ARCH_THUNDER2 || COMPILE_TEST
1222 1223
	help
	  This driver enables support for the on-chip I2C interface of
R
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1224
	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1225 1226 1227 1228

	  This driver can also be built as a module.  If so, the module will
	  be called i2c-xlp9xx.

1229 1230
config I2C_RCAR
	tristate "Renesas R-Car I2C Controller"
1231
	depends on ARCH_RENESAS || COMPILE_TEST
1232
	select I2C_SLAVE
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	select I2C_SMBUS
1234
	select RESET_CONTROLLER if ARCH_RCAR_GEN3
1235 1236 1237 1238 1239 1240 1241
	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.

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comment "External I2C/SMBus adapter drivers"
1243

1244 1245 1246 1247 1248 1249 1250 1251 1252 1253
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.

1254
config I2C_DLN2
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	tristate "Diolan DLN-2 USB I2C adapter"
	depends on MFD_DLN2
	help
1258 1259 1260 1261 1262 1263
	 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.

1264 1265 1266 1267 1268 1269 1270 1271 1272 1273
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.

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config I2C_PARPORT
	tristate "Parallel port adapter"
1276
	depends on PARPORT
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1277
	select I2C_ALGOBIT
1278
	select I2C_SMBUS
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	help
J
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1280 1281 1282
	  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
1283 1284
	  no extra chipset is supported by this driver, or could be. Please
	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
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1286
	  This support is also available as a module.  If so, the module
J
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1287
	  will be called i2c-parport.
L
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1288

1289 1290 1291 1292 1293 1294 1295 1296 1297 1298
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.

1299 1300 1301 1302 1303 1304 1305 1306 1307 1308
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.

1309 1310
config I2C_TAOS_EVM
	tristate "TAOS evaluation module"
1311
	depends on TTY
1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323
	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.

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config I2C_TINY_USB
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1325
	tristate "Tiny-USB adapter"
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1326 1327 1328 1329 1330 1331 1332 1333 1334
	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.

1335 1336 1337 1338 1339 1340
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.
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	  See viperboard API specification and Nano
	  River Tech's viperboard.h for detailed meaning
	  of the module parameters.
1344

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1345
comment "Other I2C/SMBus bus drivers"
1346

1347
config I2C_ACORN
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1348
	tristate "Acorn IOC/IOMD I2C bus support"
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1349
	depends on ARCH_ACORN
1350 1351 1352 1353 1354 1355 1356
	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.

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config I2C_ELEKTOR
	tristate "Elektor ISA card"
1359
	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
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1360
	select I2C_ALGOPCF
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1361
	help
J
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1362 1363
	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
	  such an adapter.
L
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1364

J
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1365 1366
	  This support is also available as a module.  If so, the module
	  will be called i2c-elektor.
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1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378
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.

1379 1380 1381
	  If you have a 2019 edition board with an LTC2990 sensor at address
	  0x4c, loading the module 'ltc2990' is sufficient to enable it.

1382 1383
config I2C_MLXCPLD
	tristate "Mellanox I2C driver"
1384
	depends on X86_64 || COMPILE_TEST
1385 1386 1387 1388 1389 1390 1391 1392
	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.

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config I2C_PCA_ISA
1394
	tristate "PCA9564/PCA9665 on an ISA bus"
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1395
	depends on ISA
L
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1396 1397
	select I2C_ALGOPCA
	help
1398
	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1399
	  parallel bus to I2C bus controller.
1400

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1401 1402 1403
	  This driver can also be built as a module.  If so, the module
	  will be called i2c-pca-isa.

1404 1405 1406 1407 1408
	  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.

J
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1409 1410 1411
config I2C_SIBYTE
	tristate "SiByte SMBus interface"
	depends on SIBYTE_SB1xxx_SOC
1412
	help
J
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1413
	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1414

D
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1415 1416
config I2C_CROS_EC_TUNNEL
	tristate "ChromeOS EC tunnel I2C bus"
1417
	depends on CROS_EC
D
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1418 1419 1420 1421 1422 1423
	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).

1424 1425 1426 1427 1428 1429 1430 1431 1432
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.

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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.
1444

1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455
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.

1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466
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.

1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477
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.

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endmenu