How to configure the Linux kernel/drivers/i2c/busses

Howto configure the Linux kernel / drivers / i2c / busses

i2c


 * Sensor device configuration
 * Sensor device configuration

I2C Hardware Bus support

 * depends on I2C


 * Option: I2C_ALI1535
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) ALI 1535
 * depends on I2C && PCI
 * 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.


 * Option: I2C_ALI1563
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) ALI 1563
 * depends on I2C && PCI && EXPERIMENTAL
 * 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.


 * Option: I2C_ALI15X3
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) ALI 15x3
 * depends on I2C && PCI
 * 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.


 * Option: I2C_AMD756
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) AMD 756/766/768/8111 and nVidia nForce
 * depends on I2C && PCI
 * 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.


 * Option: I2C_AMD756_S4882
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) SMBus multiplexing on the Tyan S4882
 * depends on I2C_AMD756 && EXPERIMENTAL
 * 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.


 * Option: I2C_AMD8111
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) AMD 8111
 * depends on I2C && PCI
 * 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.


 * Option: I2C_AU1550
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Au1550 SMBus interface
 * depends on I2C && SOC_AU1550
 * If you say yes to this option, support will be included for the Au1550 SMBus interface.
 * This driver can also be built as a module. If so, the module will be called i2c-au1550.


 * Option: I2C_ELEKTOR
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Elektor ISA card
 * depends on I2C && ISA && BROKEN_ON_SMP
 * select I2C_ALGOPCF
 * This supports the PCF8584 ISA bus I2C adapter. Say Y if you own such an adapter.
 * This support is also available as a module. If so, the module  will be called i2c-elektor.


 * Option: I2C_HYDRA
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) CHRP Apple Hydra Mac I/O I2C interface
 * depends on I2C && PCI && PPC_CHRP && EXPERIMENTAL
 * select I2C_ALGOBIT
 * This supports the use of the I2C interface in the Apple Hydra Mac I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you have such a machine.
 * This support is also available as a module. If so, the module will be called i2c-hydra.


 * Option: I2C_I801
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Intel 82801 (ICH)
 * depends on I2C && PCI
 * If you say yes to this option, support will be included for the Intel 801 family of mainboard I2C interfaces. Specifically, the following versions of the chipset are supported:   82801AA   82801AB   82801BA   82801CA/CAM   82801DB   82801EB/ER (ICH5/ICH5R)   6300ESB   ICH6   ICH7   ESB2
 * This driver can also be built as a module. If so, the module will be called i2c-i801.


 * Option: I2C_I810
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Intel 810/815
 * depends on I2C && PCI
 * select I2C_ALGOBIT
 * If you say yes to this option, support will be included for the Intel 810/815 family of mainboard I2C interfaces. Specifically, the  following versions of the chipset are supported:   i810AA   i810AB   i810E   i815   i845G
 * This driver can also be built as a module. If so, the module will be called i2c-i810.


 * Option: I2C_PXA
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Intel PXA2XX I2C adapter (EXPERIMENTAL)
 * depends on I2C && EXPERIMENTAL && ARCH_PXA
 * 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.


 * Option: I2C_PXA_SLAVE
 * Kernel Versions: 2.6.15.6 ...
 * (on/off) Intel PXA2XX I2C Slave comms support
 * depends on I2C_PXA
 * 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.


 * Option: I2C_PIIX4
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Intel PIIX4
 * depends on I2C && PCI
 * If you say yes to this option, support will be included for the Intel PIIX4 family of mainboard I2C interfaces. Specifically, the following versions of the chipset are supported:   Intel PIIX4   Intel 440MX   Serverworks OSB4   Serverworks CSB5   Serverworks CSB6   SMSC Victory66
 * This driver can also be built as a module. If so, the module will be called i2c-piix4.


 * Option: I2C_IBM_IIC
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) IBM PPC 4xx on-chip I2C interface
 * depends on IBM_OCP && I2C
 * 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.


 * Option: I2C_IOP3XX
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Intel IOP3xx and IXP4xx on-chip I2C interface
 * depends on (ARCH_IOP3XX || ARCH_IXP4XX) && I2C
 * Say Y here if you want to use the IIC bus controller on the Intel IOP3xx 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.


 * Option: I2C_ISA
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module)
 * depends on I2C


 * Option: I2C_ITE
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) ITE I2C Adapter
 * depends on I2C && MIPS_ITE8172
 * select I2C_ALGOITE
 * This supports the ITE8172 I2C peripheral found on some MIPS systems. Say Y if you have one of these. You should also say Y for the ITE I2C driver algorithm support above.
 * This support is also available as a module. If so, the module  will be called i2c-ite.


 * Option: I2C_IXP4XX
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) IXP4xx GPIO-Based I2C Interface
 * depends on I2C && ARCH_IXP4XX
 * select I2C_ALGOBIT
 * Say Y here if you have an Intel IXP4xx(420,421,422,425) based system and are using GPIO lines for an I2C bus.
 * This support is also available as a module. If so, the module will be called i2c-ixp4xx.


 * Option: I2C_IXP2000
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) IXP2000 GPIO-Based I2C Interface
 * depends on I2C && ARCH_IXP2000
 * select I2C_ALGOBIT
 * Say Y here if you have an Intel IXP2000(2400, 2800, 2850) based system and are using GPIO lines for an I2C bus.
 * This support is also available as a module. If so, the module will be called i2c-ixp2000.


 * Option: I2C_KEYWEST
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Powermac Keywest I2C interface
 * depends on I2C && PPC_PMAC
 * This supports the use of the I2C interface in the combo-I/O chip on recent Apple machines. Say Y if you have such a machine.
 * This support is also available as a module. If so, the module  will be called i2c-keywest.


 * Option: I2C_PMAC_SMU
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Powermac SMU I2C interface
 * depends on I2C && PMAC_SMU
 * This supports the use of the I2C interface in the SMU chip on recent Apple machines like the iMac G5. It is used among others by the thermal control driver for those machines. Say Y if you have such a machine.
 * This support is also available as a module. If so, the module will be called i2c-pmac-smu.


 * Option: I2C_MPC
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) MPC107/824x/85xx/52xx
 * depends on I2C && PPC32
 * If you say yes to this option, support will be included for the built-in I2C interface on the MPC107/Tsi107/MPC8240/MPC8245 and MPC85xx family processors. The driver may also work on 52xx family processors, though interrupts are known not to work.
 * This driver can also be built as a module. If so, the module will be called i2c-mpc.


 * Option: I2C_NFORCE2
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Nvidia nForce2, nForce3 and nForce4
 * depends on I2C && PCI
 * If you say yes to this option, support will be included for the Nvidia nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
 * This driver can also be built as a module. If so, the module will be called i2c-nforce2.


 * Option: I2C_PARPORT
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Parallel port adapter
 * depends on I2C && PARPORT
 * select I2C_ALGOBIT
 * 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.
 * 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.  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.
 * This support is also available as a module. If so, the module  will be called i2c-parport.


 * Option: I2C_PARPORT_LIGHT
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Parallel port adapter (light)
 * depends on I2C
 * select I2C_ALGOBIT
 * 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.
 * 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 dasiy-chain other parallel port devices.  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.
 * This support is also available as a module. If so, the module  will be called i2c-parport-light.


 * Option: I2C_PROSAVAGE
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) S3/VIA (Pro)Savage
 * depends on I2C && PCI
 * select I2C_ALGOBIT
 * If you say yes to this option, support will be included for the I2C bus and DDC bus of the S3VIA embedded Savage4 and ProSavage8 graphics processors. chipsets supported:  S3/VIA KM266/VT8375 aka ProSavage8   S3/VIA KM133/VT8365 aka Savage4
 * This support is also available as a module. If so, the module  will be called i2c-prosavage.


 * Option: I2C_RPXLITE
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Embedded Planet RPX Lite/Classic support
 * depends on (RPXLITE || RPXCLASSIC) && I2C
 * select I2C_ALGO8XX


 * Option: I2C_S3C2410
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) S3C2410 I2C Driver
 * depends on I2C && ARCH_S3C2410
 * Say Y here to include support for I2C controller in the Samsung S3C2410 based System-on-Chip devices.


 * Option: I2C_SAVAGE4
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) S3 Savage 4
 * depends on I2C && PCI && EXPERIMENTAL
 * select I2C_ALGOBIT
 * If you say yes to this option, support will be included for the S3 Savage 4 I2C interface.
 * This driver can also be built as a module. If so, the module will be called i2c-savage4.


 * Option: I2C_SIBYTE
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) SiByte SMBus interface
 * depends on SIBYTE_SB1xxx_SOC && I2C
 * Supports the SiByte SOC on-chip I2C interfaces (2 channels).


 * Option: SCx200_I2C
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) NatSemi SCx200 I2C using GPIO pins
 * depends on SCx200_GPIO && I2C
 * select I2C_ALGOBIT
 * Enable the use of two GPIO pins of a SCx200 processor as an I2C bus.
 * 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_i2c.

"GPIO pin used for SCL"
 * Option: SCx200_I2C_SCL
 * Kernel Versions: 2.6.15.6 ...
 * depends on SCx200_I2C
 * default "12"
 * Enter the GPIO pin number used for the SCL signal. This value can also be specified with a module parameter.

"GPIO pin used for SDA"
 * Option: SCx200_I2C_SDA
 * Kernel Versions: 2.6.15.6 ...
 * depends on SCx200_I2C
 * default "13"
 * Enter the GPIO pin number used for the SSA signal. This value can also be specified with a module parameter.


 * Option: SCx200_ACB
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) NatSemi SCx200 ACCESS.bus
 * depends on I2C && PCI
 * Enable the use of the ACCESS.bus controllers of a SCx200 processor.
 * 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.


 * Option: I2C_SIS5595
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) SiS 5595
 * depends on I2C && PCI
 * If you say yes to this option, support will be included for the SiS5595 SMBus (a subset of I2C) interface.
 * This driver can also be built as a module. If so, the module will be called i2c-sis5595.


 * Option: I2C_SIS630
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) SiS 630/730
 * depends on I2C && PCI
 * If you say yes to this option, support will be included for the SiS630 and SiS730 SMBus (a subset of I2C) interface.
 * This driver can also be built as a module. If so, the module will be called i2c-sis630.


 * Option: I2C_SIS96X
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) SiS 96x
 * depends on I2C && PCI
 * 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.


 * Option: I2C_STUB
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) I2C/SMBus Test Stub
 * depends on I2C && EXPERIMENTAL && 'm'
 * default 'n'
 * This module may be useful to developers of SMBus client drivers, especially for certain kinds of sensor chips.
 * If you do build this module, be sure to read the notes and warnings in .
 * If you don't know what to do here, definitely say N.


 * Option: I2C_VIA
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) VIA 82C586B
 * depends on I2C && PCI && EXPERIMENTAL
 * select I2C_ALGOBIT
 * If you say yes to this option, support will be included for the VIA        82C586B I2C interface
 * This driver can also be built as a module. If so, the module will be called i2c-via.


 * Option: I2C_VIAPRO
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) VIA 82C596/82C686/823x
 * depends on I2C && PCI
 * If you say yes to this option, support will be included for the VIA 82C596/82C686/823x I2C interfaces. Specifically, the following  chipsets are supported: 82C596A/B 82C686A/B 8231 8233 8233A 8235 8237
 * This driver can also be built as a module. If so, the module will be called i2c-viapro.


 * Option: I2C_VOODOO3
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Voodoo 3
 * depends on I2C && PCI
 * select I2C_ALGOBIT
 * If you say yes to this option, support will be included for the Voodoo 3 I2C interface.
 * This driver can also be built as a module. If so, the module will be called i2c-voodoo3.


 * Option: I2C_PCA_ISA
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) PCA9564 on an ISA bus
 * depends on I2C
 * select I2C_ALGOPCA
 * This driver supports ISA boards using the Philips PCA 9564 Parallel bus to I2C bus controller This driver can also be built as a module.  If so, the module will be called i2c-pca-isa.


 * Option: I2C_MV64XXX
 * Kernel Versions: 2.6.15.6 ...
 * (on/off/module) Marvell mv64xxx I2C Controller
 * depends on I2C && MV64X60 && EXPERIMENTAL
 * If you say yes to this option, support will be included for the built-in I2C interface on the Marvell 64xxx line of host bridges.
 * This driver can also be built as a module. If so, the module will be called i2c-mv64xxx.

Linux Kernel Configuration