summaryrefslogtreecommitdiff
path: root/drivers/i2c/busses/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/i2c/busses/Kconfig')
-rw-r--r--drivers/i2c/busses/Kconfig683
1 files changed, 455 insertions, 228 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index f2c681971201..cea87fcb4a1a 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Sensor device configuration
#
@@ -8,9 +9,16 @@ menu "I2C Hardware Bus support"
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
+ depends on PCI && HAS_IOPORT
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
@@ -22,7 +30,7 @@ config I2C_ALI1535
config I2C_ALI1563
tristate "ALI 1563"
- depends on PCI
+ depends on PCI && HAS_IOPORT
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
@@ -34,7 +42,7 @@ config I2C_ALI1563
config I2C_ALI15X3
tristate "ALI 15x3"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
If you say yes to this option, support will be included for the
Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
@@ -44,7 +52,7 @@ config I2C_ALI15X3
config I2C_AMD756
tristate "AMD 756/766/768/8111 and nVidia nForce"
- depends on PCI
+ depends on PCI && HAS_IOPORT
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
@@ -54,22 +62,9 @@ config I2C_AMD756
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
+ depends on PCI && HAS_IOPORT
help
If you say yes to this option, support will be included for the
second (SMBus 2.0) AMD 8111 mainboard I2C interface.
@@ -77,6 +72,33 @@ config I2C_AMD8111
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_AMD_ASF
+ tristate "AMD ASF I2C Controller Support"
+ depends on I2C_PIIX4
+ select I2C_SLAVE
+ help
+ This option enables support for the AMD ASF (Alert Standard Format)
+ I2C controller. The AMD ASF controller is an SMBus controller with
+ built-in ASF functionality, allowing it to issue generic SMBus
+ packets and communicate with the DASH controller using MCTP over
+ ASF.
+
+ If you have an AMD system with ASF support and want to enable this
+ functionality, say Y or M here. If unsure, say N.
+
+ To compile this driver as a module, choose M here: the module will
+ be called i2c_amd_asf_plat.
+
config I2C_HIX5HD2
tristate "Hix5hd2 high-speed I2C driver"
depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
@@ -89,7 +111,8 @@ config I2C_HIX5HD2
config I2C_I801
tristate "Intel 82801 (ICH/PCH)"
- depends on PCI
+ depends on PCI && HAS_IOPORT
+ select P2SB if X86
select CHECK_SIGNATURE if X86 && DMI
select I2C_SMBUS
help
@@ -131,13 +154,34 @@ config I2C_I801
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 and PCH)
+ Birch Stream (SOC)
+ Arrow Lake (SOC)
+ Panther Lake (SOC)
+ Wildcat Lake (SOC)
+ Diamond Rapids (SOC)
This driver can also be built as a module. If so, the module
will be called i2c-i801.
+config I2C_I801_MUX
+ def_bool I2C_I801
+ depends on DMI && I2C_MUX_GPIO
+ depends on !(I2C_I801=y && I2C_MUX=m)
+ help
+ Optional support for multiplexed SMBUS on certain systems with
+ more than 8 memory slots.
+
config I2C_ISCH
tristate "Intel SCH SMBus 1.0"
- depends on PCI
+ depends on PCI && HAS_IOPORT
select LPC_SCH
help
Say Y here if you want to use SMBus controller on the Intel SCH
@@ -158,7 +202,8 @@ config I2C_ISMT
config I2C_PIIX4
tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
- depends on PCI
+ depends on PCI && HAS_IOPORT
+ select I2C_SMBUS
help
If you say yes to this option, support will be included for the Intel
PIIX4 family of mainboard I2C interfaces. Specifically, the following
@@ -175,6 +220,7 @@ config I2C_PIIX4
AMD Hudson-2
AMD ML
AMD CZ
+ Hygon CZ
Serverworks OSB4
Serverworks CSB5
Serverworks CSB6
@@ -203,7 +249,7 @@ config I2C_CHT_WC
config I2C_NFORCE2
tristate "Nvidia nForce2, nForce3 and nForce4"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
If you say yes to this option, support will be included for the Nvidia
nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
@@ -211,22 +257,10 @@ config I2C_NFORCE2
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
@@ -235,7 +269,7 @@ config I2C_NVIDIA_GPU
config I2C_SIS5595
tristate "SiS 5595"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
If you say yes to this option, support will be included for the
SiS5595 SMBus (a subset of I2C) interface.
@@ -245,7 +279,7 @@ config I2C_SIS5595
config I2C_SIS630
tristate "SiS 630/730/964"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
If you say yes to this option, support will be included for the
SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
@@ -255,7 +289,7 @@ config I2C_SIS630
config I2C_SIS96X
tristate "SiS 96x"
- depends on PCI
+ depends on PCI && HAS_IOPORT
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
@@ -273,18 +307,18 @@ config I2C_SIS96X
config I2C_VIA
tristate "VIA VT82C586B"
- depends on PCI
+ depends on PCI && HAS_IOPORT
select I2C_ALGOBIT
help
If you say yes to this option, support will be included for the VIA
- 82C586B I2C interface
+ 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
+ depends on PCI && HAS_IOPORT
help
If you say yes to this option, support will be included for the VIA
VT82C596 and later SMBus interface. Specifically, the following
@@ -306,6 +340,16 @@ config I2C_VIAPRO
if ACPI
+config I2C_ZHAOXIN
+ tristate "Zhaoxin I2C Interface"
+ depends on PCI || COMPILE_TEST
+ help
+ If you say yes to this option, support will be included for the
+ ZHAOXIN I2C interface
+
+ This driver can also be built as a module. If so, the module
+ will be called i2c-zhaoxin.
+
comment "ACPI drivers"
config I2C_SCMI
@@ -351,7 +395,8 @@ comment "I2C system bus drivers (mostly embedded / system-on-chip)"
config I2C_ALTERA
tristate "Altera Soft IP I2C"
- depends on (ARCH_SOCFPGA || NIOS2) && OF
+ 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.
@@ -371,7 +416,7 @@ config I2C_ASPEED
config I2C_AT91
tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
- depends on ARCH_AT91
+ depends on ARCH_MICROCHIP || COMPILE_TEST
help
This supports the use of the I2C interface on Atmel AT91
processors.
@@ -387,6 +432,19 @@ config I2C_AT91
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
+ bool "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 mismatches with a SAMA5D4 as slave and a SAMA5D2 as
+ master.
+
config I2C_AU1550
tristate "Au1550/Au1200/Au1300 SMBus interface"
depends on MIPS_ALCHEMY
@@ -401,6 +459,7 @@ 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.
@@ -410,7 +469,8 @@ config I2C_AXXIA
config I2C_BCM2835
tristate "Broadcom BCM2835 I2C controller"
- depends on ARCH_BCM2835
+ 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.
@@ -424,6 +484,7 @@ 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.
@@ -432,8 +493,8 @@ config I2C_BCM_IPROC
config I2C_BCM_KONA
tristate "BCM Kona I2C adapter"
- depends on ARCH_BCM_MOBILE
- default y
+ 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.
@@ -442,9 +503,9 @@ config I2C_BCM_KONA
config I2C_BRCMSTB
tristate "BRCM Settop/DSL I2C controller"
- depends on ARCH_BRCMSTB || BMIPS_GENERIC || ARCH_BCM_63XX || \
- COMPILE_TEST
- default y
+ depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \
+ BMIPS_GENERIC || COMPILE_TEST
+ default ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC
help
If you say yes to this option, support will be included for the
I2C interface on the Broadcom Settop/DSL SoCs.
@@ -453,7 +514,7 @@ config I2C_BRCMSTB
config I2C_CADENCE
tristate "Cadence I2C Controller"
- depends on ARCH_ZYNQ || ARM64 || XTENSA
+ depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST
help
Say yes here to select Cadence I2C Host Controller. This controller is
e.g. used by Xilinx Zynq.
@@ -468,6 +529,16 @@ config I2C_CBUS_GPIO
This driver can also be built as a module. If so, the module
will be called i2c-cbus-gpio.
+config I2C_CGBC
+ tristate "Congatec I2C Controller"
+ depends on MFD_CGBC
+ help
+ This driver supports the 2 I2C interfaces on the Congatec Board
+ Controller.
+
+ This driver can also be built as a module. If so, the module will
+ be called i2c-cgbc.ko.
+
config I2C_CPM
tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
depends on CPM1 || CPM2
@@ -480,7 +551,7 @@ config I2C_CPM
config I2C_DAVINCI
tristate "DaVinci I2C driver"
- depends on ARCH_DAVINCI || ARCH_KEYSTONE
+ depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
help
Support for TI DaVinci I2C controller driver.
@@ -492,44 +563,66 @@ config I2C_DAVINCI
For details please see http://www.ti.com/davinci
config I2C_DESIGNWARE_CORE
- tristate
+ tristate "Synopsys DesignWare I2C adapter"
+ select REGMAP
+ help
+ This option enables support for the Synopsys DesignWare I2C adapter.
+ This driver includes support for the I2C host on the Synopsys
+ Designware I2C adapter.
+
+ To compile the driver as a module, choose M here: the module will be
+ called i2c-designware-core.
+
+if I2C_DESIGNWARE_CORE
+
+config I2C_DESIGNWARE_SLAVE
+ bool "Synopsys DesignWare Slave"
+ select I2C_SLAVE
+ help
+ If you say yes to this option, support will be included for the
+ Synopsys DesignWare I2C slave adapter.
config I2C_DESIGNWARE_PLATFORM
- tristate "Synopsys DesignWare Platform"
- select I2C_DESIGNWARE_CORE
+ tristate "Synopsys DesignWare Platform driver"
depends on (ACPI && COMMON_CLK) || !ACPI
+ select MFD_SYSCON if MIPS_BAIKAL_T1
+ default I2C_DESIGNWARE_CORE
help
If you say yes to this option, support will be included for the
- Synopsys DesignWare I2C adapter.
+ Synopsys DesignWare I2C adapters on the platform bus.
This driver can also be built as a module. If so, the module
will be called i2c-designware-platform.
-config I2C_DESIGNWARE_SLAVE
- bool "Synopsys DesignWare Slave"
- select I2C_SLAVE
- depends on I2C_DESIGNWARE_PLATFORM
+config I2C_DESIGNWARE_AMDISP
+ tristate "Synopsys DesignWare Platform for AMDISP"
+ depends on DRM_AMD_ISP || COMPILE_TEST
+ depends on I2C_DESIGNWARE_CORE
help
If you say yes to this option, support will be included for the
- Synopsys DesignWare I2C slave adapter.
+ AMDISP Synopsys DesignWare I2C adapter.
- This is not a standalone module, this module compiles together with
- i2c-designware-core.
+ This driver can also be built as a module. If so, the module
+ will be called amd_isp_i2c_designware.
-config I2C_DESIGNWARE_PCI
- tristate "Synopsys DesignWare PCI"
+config I2C_DESIGNWARE_AMDPSP
+ bool "AMD PSP I2C semaphore support"
+ depends on ACPI
+ depends on CRYPTO_DEV_SP_PSP
depends on PCI
- select I2C_DESIGNWARE_CORE
+ depends on I2C_DESIGNWARE_PLATFORM
+ depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \
+ (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD)
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 enables managed host access to the selected I2C bus shared
+ between AMD CPU and AMD PSP.
- This driver can also be built as a module. If so, the module
- will be called i2c-designware-pci.
+ 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
@@ -539,22 +632,29 @@ config I2C_DESIGNWARE_BAYTRAIL
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 driver"
+ depends on PCI
+ select I2C_CCGX_UCSI
+ help
+ If you say yes to this option, support will be included for the
+ Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is
+ supported.
+
+ This driver can also be built as a module. If so, the module
+ will be called i2c-designware-pci.
+
+endif
+
config I2C_DIGICOLOR
tristate "Conexant Digicolor I2C driver"
- depends on ARCH_DIGICOLOR
+ 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_EFM32
- tristate "EFM32 I2C controller"
- depends on ARCH_EFM32 || COMPILE_TEST
- help
- This driver supports the i2c block found in Energy Micro's EFM32
- SoCs.
-
config I2C_EG20T
tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
@@ -579,11 +679,15 @@ config I2C_EMEV2
I2C interface on the Renesas Electronics EM/EV family of processors.
config I2C_EXYNOS5
- tristate "Exynos5 high-speed I2C driver"
- depends on ARCH_EXYNOS && OF
- default y
+ 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 Exynos5 based Samsung SoCs.
+ 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"
@@ -601,9 +705,16 @@ config I2C_GPIO_FAULT_INJECTOR
faults to an I2C bus, so another bus master can be stress-tested.
This is for debugging. If unsure, say 'no'.
+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.
+
config I2C_HIGHLANDER
tristate "Highlander FPGA SMBus interface"
- depends on SH_HIGHLANDER
+ 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
@@ -613,6 +724,16 @@ config I2C_HIGHLANDER
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 || 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
@@ -635,43 +756,75 @@ config I2C_IMG
config I2C_IMX
tristate "IMX I2C interface"
- depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE
+ depends on ARCH_MXC || ARCH_LAYERSCAPE || ARCH_S32 || 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.
+ the Freescale i.MX/MXC/S32G, Layerscape or ColdFire processors.
- This driver can also be built as a module. If so, the module
+ 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
+ select I2C_SLAVE
help
- Say Y here if you want to use the Low Power IIC bus controller
- on the Freescale i.MX processors.
+ 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.
+ 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_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
+ tristate "Intel IXP4xx on-chip I2C interface"
+ depends on 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.
+ the Intel 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 MACH_JZ4780 || COMPILE_TEST
+ 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_K1
+ tristate "SpacemiT K1 I2C adapter"
+ depends on ARCH_SPACEMIT || COMPILE_TEST
+ depends on OF
+ help
+ This option enables support for the I2C interface on the SpacemiT K1
+ platform.
+
+ If you enable this configuration, the kernel will include support for
+ the I2C adapter specific to the SpacemiT K1 platform. This driver can
+ be used to manage I2C bus transactions, which are necessary for
+ interfacing with I2C peripherals such as sensors, EEPROMs, and other
+ devices.
+
+ This driver can also be built as a module. If so, the
+ module will be called `i2c-k1`.
+
+config I2C_KEBA
+ tristate "KEBA I2C controller support"
+ depends on HAS_IOMEM
+ depends on KEBA_CP500 || COMPILE_TEST
+ select AUXILIARY_BUS
+ help
+ This driver supports the I2C controller found in KEBA system FPGA
+ devices.
+
+ This driver can also be built as a module. If so, the module
+ will be called i2c-keba.
+
config I2C_KEMPLD
tristate "Kontron COM I2C Controller"
depends on MFD_KEMPLD
@@ -692,13 +845,51 @@ config I2C_LPC2K
This driver can also be built as a module. If so, the module
will be called i2c-lpc2k.
+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.
+
+config I2C_MLXBF
+ tristate "Mellanox BlueField I2C controller"
+ depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST
+ 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 ARCH_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
@@ -719,9 +910,16 @@ config I2C_MT65XX
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)) || ARCH_AIROHA || 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 MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
+ 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.
@@ -732,7 +930,7 @@ config I2C_MV64XXX
config I2C_MXS
tristate "Freescale i.MX28 I2C interface"
- depends on SOC_IMX28
+ depends on SOC_IMX28 || COMPILE_TEST
select STMP_DEVICE
help
Say Y here if you want to use the I2C bus controller on
@@ -743,12 +941,21 @@ config I2C_MXS
config I2C_NOMADIK
tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
- depends on ARM_AMBA
+ depends on ARM_AMBA || COMPILE_TEST
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
@@ -761,8 +968,9 @@ config I2C_OCORES
config I2C_OMAP
tristate "OMAP I2C adapter"
- depends on ARCH_OMAP || ARCH_K3
- default y if MACH_OMAP_H3 || MACH_OMAP_OSK
+ depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
+ default MACH_OMAP_OSK
+ select MULTIPLEXER
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.
@@ -782,10 +990,20 @@ config I2C_PASEMI
help
Supports the PA Semi PWRficient on-chip SMBus interfaces.
+config I2C_APPLE
+ tristate "Apple SMBus platform driver"
+ depends on !I2C_PASEMI
+ depends on ARCH_APPLE || COMPILE_TEST
+ 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
- default n
help
This driver supports a memory mapped Philips PCA9564/PCA9665
parallel bus to I2C bus controller.
@@ -793,18 +1011,9 @@ config I2C_PCA_PLATFORM
This driver can also be built as a module. If so, the module
will be called i2c-pca-platform.
-config I2C_PMCMSP
- tristate "PMC MSP I2C TWI Controller"
- depends on PMC_MSP
- help
- This driver supports the PMC TWI controller on MSP devices.
-
- This driver can also be built as module. If so, the module
- will be called i2c-pmcmsp.
-
config I2C_PNX
tristate "I2C bus support for Philips PNX and NXP LPC targets"
- depends on ARCH_LPC32XX
+ depends on ARCH_LPC32XX || COMPILE_TEST
help
This driver supports the Philips IP3204 I2C IP block master and/or
slave controller
@@ -812,20 +1021,9 @@ config I2C_PNX
This driver can also be built as a module. If so, the module
will be called i2c-pnx.
-config I2C_PUV3
- tristate "PKUnity v3 I2C bus support"
- depends on UNICORE32 && ARCH_PUV3
- select I2C_ALGOBIT
- help
- This driver supports the I2C IP inside the PKUnity-v3 SoC.
- This I2C bus controller is under AMBA/AXI bus.
-
- This driver can also be built as a module. If so, the module
- will be called i2c-puv3.
-
config I2C_PXA
tristate "Intel PXA2XX I2C adapter"
- depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF)
+ 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
@@ -837,11 +1035,22 @@ config I2C_PXA_PCI
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
@@ -857,7 +1066,7 @@ config I2C_QCOM_GENI
config I2C_QUP
tristate "Qualcomm QUP based I2C controller"
- depends on ARCH_QCOM
+ 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.
@@ -885,19 +1094,32 @@ config I2C_RK3X
This driver can also be built as a module. If so, the module will
be called i2c-rk3x.
-config HAVE_S3C2410_I2C
- bool
+config I2C_RTL9300
+ tristate "Realtek RTL9300 I2C controller"
+ depends on MACH_REALTEK_RTL || COMPILE_TEST
+ help
+ Say Y here to include support for the I2C controller in Realtek
+ RTL9300 SoCs.
+
+ This driver can also be built as a module. If so, the module will
+ be called i2c-rtl9300.
+
+config I2C_RZV2M
+ tristate "Renesas RZ/V2M adapter"
+ depends on ARCH_RENESAS || COMPILE_TEST
help
- This will include I2C support for Samsung SoCs. If you want to
- include I2C support for any machine, kindly select this in the
- respective Kconfig file.
+ 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 "S3C2410 I2C Driver"
- depends on HAVE_S3C2410_I2C
+ tristate "S3C/Exynos I2C Driver"
+ depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
help
Say Y here to include support for I2C controller in the
- Samsung SoCs.
+ Samsung SoCs (S3C, S5Pv210, Exynos).
config I2C_SH7760
tristate "Renesas SH7760 I2C Controller"
@@ -930,26 +1152,17 @@ config I2C_SIMTEC
This driver can also be built as a module. If so, the module
will be called i2c-simtec.
-config I2C_SIRF
- tristate "CSR SiRFprimaII I2C interface"
- depends on ARCH_SIRF
- help
- If you say yes to this option, support will be included for the
- CSR SiRFprimaII I2C interface.
-
- This driver can also be built as a module. If so, the module
- will be called i2c-sirf.
-
config I2C_SPRD
- bool "Spreadtrum I2C interface"
- depends on I2C=y && ARCH_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
+ 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.
@@ -971,6 +1184,7 @@ 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.
@@ -978,19 +1192,6 @@ config I2C_STM32F7
This driver can also be built as module. If so, the module
will be called i2c-stm32f7.
-config I2C_STU300
- tristate "ST Microelectronics DDC I2C interface"
- depends on MACH_U300
- default y if MACH_U300
- help
- If you say yes to this option, support will be included for the
- I2C interface from ST Microelectronics simply called "DDC I2C"
- supporting both I2C and DDC, used in e.g. the U300 series
- mobile platforms.
-
- This driver can also be built as a module. If so, the module
- will be called i2c-stu300.
-
config I2C_SUN6I_P2WI
tristate "Allwinner sun6i internal P2WI controller"
depends on RESET_CONTROLLER
@@ -1016,15 +1217,16 @@ config I2C_SYNQUACER
config I2C_TEGRA
tristate "NVIDIA Tegra internal I2C controller"
- depends on ARCH_TEGRA
+ 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
- default y
+ 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.
@@ -1062,7 +1264,7 @@ config I2C_VERSATILE
config I2C_WMT
tristate "Wondermedia WM8xxx SoC I2C bus support"
- depends on ARCH_VT8500
+ depends on ARCH_VT8500 || COMPILE_TEST
help
Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
SoCs.
@@ -1101,22 +1303,12 @@ config I2C_XILINX
This driver can also be built as a module. If so, the module
will be called xilinx_i2c.
-config I2C_XLR
- tristate "Netlogic XLR and Sigma Designs I2C support"
- depends on CPU_XLR || ARCH_TANGO
- help
- This driver enables support for the on-chip I2C interface of
- the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
-
- This driver can also be built as a module. If so, the module
- will be called i2c-xlr.
-
config I2C_XLP9XX
- tristate "XLP9XX I2C support"
- depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST
+ tristate "Cavium ThunderX2 I2C support"
+ depends on ARCH_THUNDER2 || COMPILE_TEST
help
This driver enables support for the on-chip I2C interface of
- the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
+ 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.
@@ -1125,6 +1317,8 @@ 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 || ARCH_RCAR_GEN4
help
If you say yes to this option, support will be included for the
R-Car I2C controller.
@@ -1145,63 +1339,81 @@ config I2C_DIOLAN_U2C
will be called i2c-diolan-u2c.
config I2C_DLN2
- tristate "Diolan DLN-2 USB I2C adapter"
- depends on MFD_DLN2
- help
+ 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_PARPORT
- tristate "Parallel port adapter"
- depends on PARPORT
- select I2C_ALGOBIT
- select I2C_SMBUS
+config I2C_LJCA
+ tristate "I2C functionality of Intel La Jolla Cove Adapter"
+ depends on USB_LJCA
+ default USB_LJCA
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.
+ If you say yes to this option, I2C functionality support of Intel
+ La Jolla Cove Adapter (LJCA) will be included.
+
+ This driver can also be built as a module. If so, the module
+ will be called i2c-ljca.
- This driver is a replacement for (and was inspired by) an older
- driver named i2c-philips-par. The new driver supports more devices,
- and makes it easier to add support for new devices.
+config I2C_NCT6694
+ tristate "Nuvoton NCT6694 I2C adapter support"
+ depends on MFD_NCT6694
+ help
+ If you say yes to this option, support will be included for Nuvoton
+ NCT6694, a USB to I2C interface.
- An adapter type parameter is now mandatory. Please read the file
- Documentation/i2c/busses/i2c-parport for details.
+ This driver can also be built as a module. If so, the module will
+ be called i2c-nct6694.
- Another driver exists, named i2c-parport-light, which doesn't depend
- on the parport driver. This is meant for embedded systems. Don't say
- Y here if you intend to say Y or M there.
+config I2C_USBIO
+ tristate "Intel USBIO I2C Adapter support"
+ depends on USB_USBIO
+ default USB_USBIO
+ help
+ Select this option to enable I2C driver for the INTEL
+ USBIO driver stack.
- This support is also available as a module. If so, the module
- will be called i2c-parport.
+ This driver can also be built as a module. If so, the module
+ will be called i2c_usbio.
-config I2C_PARPORT_LIGHT
- tristate "Parallel port adapter (light)"
+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.
+ no extra chipset is supported by this driver, or could be. Please
+ read the file Documentation/i2c/busses/i2c-parport.rst for details.
- This driver is a light version of i2c-parport. It doesn't depend
- on the parport driver, and uses direct I/O access instead. This
- might be preferred on embedded systems where wasting memory for
- the clean but heavy parport handling is not an option. The
- drawback is a reduced portability and the impossibility to
- daisy-chain other parallel port devices.
+ This support is also available as a module. If so, the module
+ will be called i2c-parport.
- Don't say Y here if you said Y or M to i2c-parport. Saying M to
- both is possible but both modules should not be loaded at the same
- time.
+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 support is also available as a module. If so, the module
- will be called i2c-parport-light.
+ 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"
@@ -1218,7 +1430,6 @@ config I2C_TAOS_EVM
depends on TTY
select SERIO
select SERIO_SERPORT
- default n
help
This supports TAOS evaluation modules on serial port. In order to
use this driver, you will need the inputattach tool, which is part
@@ -1246,9 +1457,9 @@ config I2C_VIPERBOARD
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.
+ See viperboard API specification and Nano
+ River Tech's viperboard.h for detailed meaning
+ of the module parameters.
comment "Other I2C/SMBus bus drivers"
@@ -1264,7 +1475,7 @@ config I2C_ACORN
config I2C_ELEKTOR
tristate "Elektor ISA card"
- depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
+ depends on ISA && HAS_IOPORT_MAP
select I2C_ALGOPCF
help
This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
@@ -1273,12 +1484,27 @@ config I2C_ELEKTOR
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
+ depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
+ depends on HAS_IOPORT
help
This exposes the Mellanox platform I2C busses to the linux I2C layer
- for X86 based systems.
+ for X86 and ARM64/ACPI based systems.
Controller is implemented as CPLD logic.
This driver can also be built as a module. If so, the module will be
@@ -1288,7 +1514,6 @@ config I2C_PCA_ISA
tristate "PCA9564/PCA9665 on an ISA bus"
depends on ISA
select I2C_ALGOPCA
- default n
help
This driver supports ISA boards using the Philips PCA9564/PCA9665
parallel bus to I2C bus controller.
@@ -1309,7 +1534,7 @@ config I2C_SIBYTE
config I2C_CROS_EC_TUNNEL
tristate "ChromeOS EC tunnel I2C bus"
- depends on MFD_CROS_EC
+ 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
@@ -1327,7 +1552,7 @@ config I2C_XGENE_SLIMPRO
config SCx200_ACB
tristate "Geode ACCESS.bus support"
- depends on X86_32 && PCI
+ depends on X86_32 && PCI && HAS_IOPORT
help
Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
SC1100 processors and the CS5535 and CS5536 Geode companion devices.
@@ -1348,15 +1573,6 @@ config I2C_OPAL
This driver can also be built as a module. If so, the module will be
called as i2c-opal.
-config I2C_ZX2967
- tristate "ZTE ZX2967 I2C support"
- depends on ARCH_ZX
- default y
- help
- Selecting this option will add ZX2967 I2C driver.
- This driver can also be built as a module. If so, the module will be
- called i2c-zx2967.
-
config I2C_FSI
tristate "FSI I2C driver"
depends on FSI
@@ -1368,4 +1584,15 @@ config I2C_FSI
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