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CONFIG_I2C_PIIX4: Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)

General informations

The Linux kernel configuration item CONFIG_I2C_PIIX4 has multiple definitions:

Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC) found in drivers/i2c/busses/Kconfig

The configuration item CONFIG_I2C_PIIX4:

Help text

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

Some AMD chipsets contain two PIIX4-compatible SMBus controllers. This driver will attempt to use both controllers on the SB700/SP5100, if they have been initialized by the BIOS.

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

Intel PIIX4 and compatible (ATI/Serverworks/Broadcom/SMSC) found in drivers/i2c/busses/Kconfig

The configuration item CONFIG_I2C_PIIX4:

Help text

If you say yes to this option, support will be included for the Intel PIIX4 family of mainboard I2C interfaces. Specifically, the following versions of the chipset are supported (note that Serverworks is part of Broadcom): Intel PIIX4 Intel 440MX ATI IXP200 ATI IXP300 ATI IXP400 ATI SB600 ATI SB700 ATI SB800 Serverworks OSB4 Serverworks CSB5 Serverworks CSB6 Serverworks HT-1000 Serverworks HT-1100 SMSC Victory66

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

Intel PIIX4 found in drivers/i2c/busses/Kconfig

The configuration item CONFIG_I2C_PIIX4:

Help text

If you say yes to this option, support will be included for the Intel PIIX4 family of mainboard I2C interfaces. Specifically, the following versions of the chipset are supported (note that Serverworks is part of Broadcom): Intel PIIX4 Intel 440MX Serverworks OSB4 Serverworks CSB5 Serverworks CSB6 Serverworks HT-1000 SMSC Victory66

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

Intel PIIX4 found in drivers/i2c/busses/Kconfig

The configuration item CONFIG_I2C_PIIX4:

Help text

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 is supported: Intel PIIX4 Intel 440MX Serverworks OSB4 Serverworks CSB5 SMSC Victory66

This can also be built as a module which can be inserted and removed while the kernel is running. If you want to compile it as a module, say M here and read Documentation/modules.txt.

The module will be called i2c-piix4.

You will also need the latest user-space utilties: you can find them in the lm_sensors package, which you can download at http://www.lm-sensors.nu

Hardware

PCI

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