kconfig

i2c 在linux下的驱动设计

#
# Sensor device configuration
#

menu "I2C Hardware Bus support"
	depends on I2C

config I2C_ALI1535
	tristate "ALI 1535"
	depends on I2C && PCI
	help
	  If you say yes to this option, support will be included for the SMB
	  Host controller on Acer Labs Inc. (ALI) M1535 South Bridges.  The SMB
	  controller is part of the 7101 device, which is an ACPI-compliant
	  Power Management Unit (PMU).

	  This driver can also be built as a module.  If so, the module
	  will be called i2c-ali1535.

config I2C_ALI1563
	tristate "ALI 1563"
	depends on I2C && PCI && EXPERIMENTAL
	help
	  If you say yes to this option, support will be included for the SMB
	  Host controller on Acer Labs Inc. (ALI) M1563 South Bridges.  The SMB
	  controller is part of the 7101 device, which is an ACPI-compliant
	  Power Management Unit (PMU).

	  This driver can also be built as a module.  If so, the module
	  will be called i2c-ali1563.

config I2C_ALI15X3
	tristate "ALI 15x3"
	depends on I2C && PCI
	help
	  If you say yes to this option, support will be included for the
	  Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.

	  This driver can also be built as a module.  If so, the module
	  will be called i2c-ali15x3.

config I2C_AMD756
	tristate "AMD 756/766/768/8111 and nVidia nForce"
	depends on I2C && PCI
	help
	  If you say yes to this option, support will be included for the AMD
	  756/766/768 mainboard I2C interfaces.  The driver also includes
	  support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
	  the nVidia nForce I2C interface.

	  This driver can also be built as a module.  If so, the module
	  will be called i2c-amd756.

config I2C_AMD756_S4882
	tristate "SMBus multiplexing on the Tyan S4882"
	depends on I2C_AMD756 && EXPERIMENTAL
	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 I2C && PCI
	help
	  If you say yes to this option, support will be included for the
	  second (SMBus 2.0) AMD 8111 mainboard I2C interface.

	  This driver can also be built as a module.  If so, the module
	  will be called i2c-amd8111.

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

config I2C_AU1550
	tristate "Au1550/Au1200 SMBus interface"
	depends on I2C && (SOC_AU1550 || SOC_AU1200)
	help
	  If you say yes to this option, support will be included for the
	  Au1550 and Au1200 SMBus interface.

	  This driver can also be built as a module.  If so, the module
	  will be called i2c-au1550.

config I2C_ELEKTOR
	tristate "Elektor ISA card"
	depends on I2C && ISA && BROKEN_ON_SMP
	select I2C_ALGOPCF
	help
	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
	  such an adapter.

	  This support is also available as a module.  If so, the module 
	  will be called i2c-elektor.

config I2C_HYDRA
	tristate "CHRP Apple Hydra Mac I/O I2C interface"
	depends on I2C && PCI && PPC_CHRP && EXPERIMENTAL
	select I2C_ALGOBIT
	help
	  This supports the use of the I2C interface in the Apple Hydra Mac
	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
	  have such a machine.

	  This support is also available as a module.  If so, the module
	  will be called i2c-hydra.

config I2C_I801
	tristate "Intel 82801 (ICH)"
	depends on I2C && PCI
	help
	  If you say yes to this option, support will be included for the Intel
	  801 family of mainboard I2C interfaces.  Specifically, the following
	  versions of the chipset are supported:
	    82801AA
	    82801AB
	    82801BA
	    82801CA/CAM
	    82801DB
	    82801EB/ER (ICH5/ICH5R)
	    6300ESB
	    ICH6
	    ICH7
	    ESB2
	    ICH8
	    ICH9

	  This driver can also be built as a module.  If so, the module
	  will be called i2c-i801.

config I2C_I810
	tristate "Intel 810/815"
	depends on I2C && PCI
	select I2C_ALGOBIT
	help
	  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.

config I2C_PXA
	tristate "Intel PXA2XX I2C adapter (EXPERIMENTAL)"
	depends on I2C && EXPERIMENTAL && ARCH_PXA
	help
	  If you have devices in the PXA I2C bus, say yes to this option.
	  This driver can also be built as a module.  If so, the module
	  will be called i2c-pxa.

config I2C_PXA_SLAVE
	bool "Intel PXA2XX I2C Slave comms support"
	depends on I2C_PXA
	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_PIIX4
	tristate "Intel PIIX4 and compatible (ATI/Serverworks/Broadcom/SMSC)"
	depends on I2C && PCI
	help
	  If you say yes to this option, support will be included for the Intel
	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
	  versions of the chipset are supported (note that Serverworks is part
	  of Broadcom):
	    Intel PIIX4
	    Intel 440MX
	    ATI IXP200
	    ATI IXP300
	    ATI IXP400
	    ATI SB600
	    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.

config I2C_IBM_IIC
	tristate "IBM PPC 4xx on-chip I2C interface"
	depends on IBM_OCP && I2C
	help
	  Say Y here if you want to use IIC peripheral found on 
	  embedded IBM PPC 4xx based systems. 

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

config I2C_IOP3XX
	tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
	depends on (ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX) && I2C
	help
	  Say Y here if you want to use the IIC bus controller on
	  the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.

	  This driver can also be built as a module.  If so, the module
	  will be called i2c-iop3xx.

config I2C_ISA
	tristate
	depends on I2C

config I2C_IXP4XX
	tristate "IXP4xx GPIO-Based I2C Interface"
	depends on I2C && ARCH_IXP4XX
	select I2C_ALGOBIT
	help
	  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.

config I2C_IXP2000
	tristate "IXP2000 GPIO-Based I2C Interface"
	depends on I2C && ARCH_IXP2000
	select I2C_ALGOBIT
	help
	  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.

config I2C_POWERMAC
	tristate "Powermac I2C interface"
	depends on I2C && 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 powemac
	  platform, thus should generally be enabled.

	  This support is also available as a module.  If so, the module
	  will be called i2c-powermac.

config I2C_MPC
	tristate "MPC107/824x/85xx/52xx/86xx"
	depends on I2C && PPC32
	help
	  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/MPC8641 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.

config I2C_NFORCE2
	tristate "Nvidia nForce2, nForce3 and nForce4"
	depends on I2C && PCI
	help
	  If you say yes to this option, support will be included for the Nvidia
	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.

	  This driver can also be built as a module.  If so, the module
	  will be called i2c-nforce2.

config I2C_OCORES
	tristate "OpenCores I2C Controller"
	depends on I2C && EXPERIMENTAL
	help
	  If you say yes to this option, support will be included for the
	  OpenCores I2C controller. For details see
	  http://www.opencores.org/projects.cgi/web/i2c/overview

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

config I2C_OMAP
	tristate "OMAP I2C adapter"
	depends on I2C && ARCH_OMAP
	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.