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-rw-r--r--drivers/i2c/busses/Kconfig360
1 files changed, 272 insertions, 88 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 646068e5100..9f7d5859cf6 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -3,6 +3,7 @@
#
menu "I2C Hardware Bus support"
+ depends on HAS_IOMEM
comment "PC SMBus host controller drivers"
depends on PCI
@@ -21,7 +22,7 @@ config I2C_ALI1535
config I2C_ALI1563
tristate "ALI 1563"
- depends on PCI && EXPERIMENTAL
+ depends on PCI
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
@@ -55,7 +56,7 @@ config I2C_AMD756
config I2C_AMD756_S4882
tristate "SMBus multiplexing on the Tyan S4882"
- depends on I2C_AMD756 && X86 && EXPERIMENTAL
+ 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
@@ -103,6 +104,13 @@ config I2C_I801
Patsburg (PCH)
DH89xxCC (PCH)
Panther Point (PCH)
+ Lynx Point (PCH)
+ Lynx Point-LP (PCH)
+ Avoton (SOC)
+ Wellsburg (PCH)
+ Coleto Creek (PCH)
+ Wildcat Point-LP (PCH)
+ BayTrail (SOC)
This driver can also be built as a module. If so, the module
will be called i2c-i801.
@@ -110,7 +118,6 @@ config I2C_I801
config I2C_ISCH
tristate "Intel SCH SMBus 1.0"
depends on PCI
- select MFD_CORE
select LPC_SCH
help
Say Y here if you want to use SMBus controller on the Intel SCH
@@ -119,6 +126,16 @@ config I2C_ISCH
This driver can also be built as a module. If so, the module
will be called i2c-isch.
+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.
+
config I2C_PIIX4
tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
depends on PCI
@@ -133,9 +150,11 @@ config I2C_PIIX4
ATI IXP300
ATI IXP400
ATI SB600
- ATI SB700
+ ATI SB700/SP5100
ATI SB800
AMD Hudson-2
+ AMD ML
+ AMD CZ
Serverworks OSB4
Serverworks CSB5
Serverworks CSB6
@@ -143,6 +162,10 @@ config I2C_PIIX4
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.
@@ -158,7 +181,7 @@ config I2C_NFORCE2
config I2C_NFORCE2_S4985
tristate "SMBus multiplexing on the Tyan S4985"
- depends on I2C_NFORCE2 && X86 && EXPERIMENTAL
+ 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
@@ -180,11 +203,11 @@ config I2C_SIS5595
will be called i2c-sis5595.
config I2C_SIS630
- tristate "SiS 630/730"
+ tristate "SiS 630/730/964"
depends on PCI
help
If you say yes to this option, support will be included for the
- SiS630 and SiS730 SMBus (a subset of I2C) interface.
+ SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
This driver can also be built as a module. If so, the module
will be called i2c-sis630.
@@ -209,7 +232,7 @@ config I2C_SIS96X
config I2C_VIA
tristate "VIA VT82C586B"
- depends on PCI && EXPERIMENTAL
+ depends on PCI
select I2C_ALGOBIT
help
If you say yes to this option, support will be included for the VIA
@@ -219,7 +242,7 @@ config I2C_VIA
will be called i2c-via.
config I2C_VIAPRO
- tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx"
+ tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
depends on PCI
help
If you say yes to this option, support will be included for the VIA
@@ -235,6 +258,7 @@ config I2C_VIAPRO
CX700
VX800/VX820
VX855/VX875
+ VX900
This driver can also be built as a module. If so, the module
will be called i2c-viapro.
@@ -260,7 +284,7 @@ comment "Mac SMBus host controller drivers"
config I2C_HYDRA
tristate "CHRP Apple Hydra Mac I/O I2C interface"
- depends on PCI && PPC_CHRP && EXPERIMENTAL
+ depends on PCI && PPC_CHRP
select I2C_ALGOBIT
help
This supports the use of the I2C interface in the Apple Hydra Mac
@@ -286,29 +310,54 @@ comment "I2C system bus drivers (mostly embedded / system-on-chip)"
config I2C_AT91
tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
- depends on ARCH_AT91 && EXPERIMENTAL && BROKEN
+ depends on ARCH_AT91
help
This supports the use of the I2C interface on Atmel AT91
processors.
- This driver is BROKEN because the controller which it uses
- will easily trigger RX overrun and TX underrun errors. Using
- low I2C clock rates may partially work around those issues
- on some systems. Another serious problem is that there is no
- documented way to issue repeated START conditions, as needed
+ A serious problem is that there is no documented way to issue
+ repeated START conditions for more than two messages, as needed
to support combined I2C messages. Use the i2c-gpio driver
- unless your system can cope with those limitations.
+ 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.
config I2C_AU1550
- tristate "Au1550/Au1200 SMBus interface"
- depends on SOC_AU1550 || SOC_AU1200
+ tristate "Au1550/Au1200/Au1300 SMBus interface"
+ depends on MIPS_ALCHEMY
help
If you say yes to this option, support will be included for the
- Au1550 and Au1200 SMBus interface.
+ Au1550/Au1200/Au1300 SMBus interface.
This driver can also be built as a module. If so, the module
will be called i2c-au1550.
+config I2C_BCM2835
+ tristate "Broadcom BCM2835 I2C controller"
+ depends on ARCH_BCM2835
+ 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.
+
+config I2C_BCM_KONA
+ tristate "BCM Kona I2C adapter"
+ depends on ARCH_BCM_MOBILE
+ default y
+ help
+ If you say yes to this option, support will be included for the
+ I2C interface on the Broadcom Kona family of processors.
+
+ If you do not need KONA I2C inteface, say N.
+
config I2C_BLACKFIN_TWI
tristate "Blackfin TWI I2C support"
depends on BLACKFIN
@@ -327,9 +376,26 @@ config I2C_BLACKFIN_TWI_CLK_KHZ
help
The unit of the TWI clock is kHz.
+config I2C_CADENCE
+ tristate "Cadence I2C Controller"
+ depends on ARCH_ZYNQ
+ help
+ Say yes here to select Cadence I2C Host Controller. This controller is
+ e.g. used by Xilinx Zynq.
+
+config I2C_CBUS_GPIO
+ tristate "CBUS I2C driver"
+ depends on GPIOLIB
+ 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.
+
config I2C_CPM
tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
- depends on (CPM1 || CPM2) && OF_I2C
+ depends on CPM1 || CPM2
help
This supports the use of the I2C interface on Freescale
processors with CPM1 or CPM2.
@@ -339,7 +405,7 @@ config I2C_CPM
config I2C_DAVINCI
tristate "DaVinci I2C driver"
- depends on ARCH_DAVINCI
+ depends on ARCH_DAVINCI || ARCH_KEYSTONE
help
Support for TI DaVinci I2C controller driver.
@@ -350,19 +416,62 @@ config I2C_DAVINCI
devices such as DaVinci NIC.
For details please see http://www.ti.com/davinci
-config I2C_DESIGNWARE
- tristate "Synopsys DesignWare"
- depends on HAVE_CLK
+config I2C_DESIGNWARE_CORE
+ tristate
+
+config I2C_DESIGNWARE_PLATFORM
+ tristate "Synopsys DesignWare Platform"
+ select I2C_DESIGNWARE_CORE
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.
+ will be called i2c-designware-platform.
+
+config I2C_DESIGNWARE_PCI
+ tristate "Synopsys DesignWare PCI"
+ depends on PCI
+ select I2C_DESIGNWARE_CORE
+ 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.
+
+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 || COMPILE_TEST)
+ 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.
+
+config I2C_EXYNOS5
+ tristate "Exynos5 high-speed I2C driver"
+ depends on ARCH_EXYNOS5 && OF
+ help
+ Say Y here to include support for high-speed I2C controller in the
+ Exynos5 based Samsung SoCs.
config I2C_GPIO
tristate "GPIO-based bitbanging I2C"
- depends on GENERIC_GPIO
+ depends on GPIOLIB
select I2C_ALGOBIT
help
This is a very simple bitbanging I2C driver utilizing the
@@ -400,16 +509,6 @@ config I2C_IMX
This driver can also be built as a module. If so, the module
will be called i2c-imx.
-config I2C_INTEL_MID
- tristate "Intel Moorestown/Medfield Platform I2C controller"
- depends on PCI
- help
- Say Y here if you have an Intel Moorestown/Medfield platform I2C
- controller.
-
- This support is also available as a module. If so, the module
- will be called i2c-intel-mid.
-
config I2C_IOP3XX
tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
@@ -420,19 +519,15 @@ config I2C_IOP3XX
This driver can also be built as a module. If so, the module
will be called i2c-iop3xx.
-config I2C_IXP2000
- tristate "IXP2000 GPIO-Based I2C Interface (DEPRECATED)"
- depends on ARCH_IXP2000
- select I2C_ALGOBIT
+config I2C_KEMPLD
+ tristate "Kontron COM I2C Controller"
+ depends on MFD_KEMPLD
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 enables support for the I2C bus interface on some Kontron ETX
+ and COMexpress (ETXexpress) modules.
- This support is also available as a module. If so, the module
- will be called i2c-ixp2000.
-
- This driver is deprecated and will be dropped soon. Use i2c-gpio
- instead.
+ This driver can also be built as a module. If so, the module
+ will be called i2c-kempld.
config I2C_MPC
tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
@@ -447,10 +542,11 @@ config I2C_MPC
config I2C_MV64XXX
tristate "Marvell mv64xxx I2C Controller"
- depends on (MV64X60 || PLAT_ORION) && EXPERIMENTAL
+ depends on MV64X60 || PLAT_ORION || ARCH_SUNXI
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.
+ This driver is also used for Allwinner SoCs I2C controllers.
This driver can also be built as a module. If so, the module
will be called i2c-mv64xxx.
@@ -458,6 +554,7 @@ config I2C_MV64XXX
config I2C_MXS
tristate "Freescale i.MX28 I2C interface"
depends on SOC_IMX28
+ select STMP_DEVICE
help
Say Y here if you want to use the I2C bus controller on
the Freescale i.MX28 processors.
@@ -467,21 +564,14 @@ config I2C_MXS
config I2C_NOMADIK
tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
- depends on PLAT_NOMADIK
+ depends on ARM_AMBA
help
If you say yes to this option, support will be included for the
- I2C interface from ST-Ericsson's Nomadik and Ux500 architectures.
-
-config I2C_NUC900
- tristate "NUC900 I2C Driver"
- depends on ARCH_W90X900
- help
- Say Y here to include support for I2C controller in the
- Winbond/Nuvoton NUC900 based System-on-Chip devices.
+ I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
+ as well as the STA2X11 PCIe I/O HUB.
config I2C_OCORES
tristate "OpenCores I2C Controller"
- depends on EXPERIMENTAL
help
If you say yes to this option, support will be included for the
OpenCores I2C controller. For details see
@@ -528,7 +618,7 @@ config I2C_PMCMSP
config I2C_PNX
tristate "I2C bus support for Philips PNX and NXP LPC targets"
- depends on ARCH_PNX4008 || ARCH_LPC32XX
+ depends on ARCH_LPC32XX
help
This driver supports the Philips IP3204 I2C IP block master and/or
slave controller
@@ -566,6 +656,36 @@ config I2C_PXA_SLAVE
is necessary for systems where the PXA may be a target on the
I2C bus.
+config I2C_QUP
+ tristate "Qualcomm QUP based I2C controller"
+ depends on ARCH_QCOM
+ 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.
+
+config I2C_RIIC
+ tristate "Renesas RIIC adapter"
+ depends on ARCH_SHMOBILE || COMPILE_TEST
+ 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.
+
+config I2C_RK3X
+ tristate "Rockchip RK3xxx I2C adapter"
+ depends on OF
+ 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.
+
config HAVE_S3C2410_I2C
bool
help
@@ -601,7 +721,7 @@ config I2C_SH7760
config I2C_SH_MOBILE
tristate "SuperH Mobile I2C Controller"
- depends on SUPERH || ARCH_SHMOBILE
+ depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
help
If you say yes to this option, support will be included for the
built-in I2C interface on the Renesas SH-Mobile processor.
@@ -621,6 +741,26 @@ 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_ST
+ tristate "STMicroelectronics SSC I2C support"
+ depends on ARCH_STI
+ 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.
+
config I2C_STU300
tristate "ST Microelectronics DDC I2C interface"
depends on MACH_U300
@@ -634,6 +774,19 @@ config I2C_STU300
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
+ 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).
+
config I2C_TEGRA
tristate "NVIDIA Tegra internal I2C controller"
depends on ARCH_TEGRA
@@ -652,9 +805,19 @@ config I2C_VERSATILE
This driver can also be built as a module. If so, the module
will be called i2c-versatile.
+config I2C_WMT
+ tristate "Wondermedia WM8xxx SoC I2C bus support"
+ depends on ARCH_VT8500
+ 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.
+
config I2C_OCTEON
tristate "Cavium OCTEON I2C bus support"
- depends on CPU_CAVIUM_OCTEON
+ depends on CAVIUM_OCTEON_SOC
help
Say yes if you want to support the I2C serial bus on Cavium
OCTEON SOC.
@@ -664,7 +827,7 @@ config I2C_OCTEON
config I2C_XILINX
tristate "Xilinx I2C Controller"
- depends on EXPERIMENTAL && HAS_IOMEM
+ depends on HAS_IOMEM
help
If you say yes to this option, support will be included for the
Xilinx I2C controller.
@@ -672,20 +835,25 @@ config I2C_XILINX
This driver can also be built as a module. If so, the module
will be called xilinx_i2c.
-config I2C_EG20T
- tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223)"
- depends on PCI
+config I2C_XLR
+ tristate "XLR I2C support"
+ depends on CPU_XLR
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 enables support for the on-chip I2C interface of
+ the Netlogic XLR/XLS MIPS processors.
+
+ This driver can also be built as a module. If so, the module
+ will be called i2c-xlr.
+
+config I2C_RCAR
+ tristate "Renesas R-Car I2C Controller"
+ depends on ARCH_SHMOBILE || COMPILE_TEST
+ help
+ If you say yes to this option, support will be included for the
+ R-Car I2C controller.
- This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
- Output Hub), ML7213 and ML7223.
- ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
- for MP(Media Phone) use.
- ML7213/ML7223 is companion chip for Intel Atom E6xx series.
- ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+ This driver can also be built as a module. If so, the module
+ will be called i2c-rcar.
comment "External I2C/SMBus adapter drivers"
@@ -748,9 +916,19 @@ config I2C_PARPORT_LIGHT
This support is also available as a module. If so, the module
will be called i2c-parport-light.
+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.
+
config I2C_TAOS_EVM
tristate "TAOS evaluation module"
- depends on EXPERIMENTAL
+ depends on TTY
select SERIO
select SERIO_SERPORT
default n
@@ -775,6 +953,16 @@ config I2C_TINY_USB
This driver can also be built as a module. If so, the module
will be called i2c-tiny-usb.
+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.
+ See viperboard API specification and Nano
+ River Tech's viperboard.h for detailed meaning
+ of the module parameters.
+
comment "Other I2C/SMBus bus drivers"
config I2C_ACORN
@@ -789,7 +977,7 @@ config I2C_ACORN
config I2C_ELEKTOR
tristate "Elektor ISA card"
- depends on ISA && BROKEN_ON_SMP
+ depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
select I2C_ALGOPCF
help
This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
@@ -821,18 +1009,14 @@ config I2C_SIBYTE
help
Supports the SiByte SOC on-chip I2C interfaces (2 channels).
-config I2C_STUB
- tristate "I2C/SMBus Test Stub"
- depends on EXPERIMENTAL && m
- default 'n'
+config I2C_CROS_EC_TUNNEL
+ tristate "ChromeOS EC tunnel I2C bus"
+ depends on MFD_CROS_EC
help
- 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 <file:Documentation/i2c/i2c-stub>.
-
- If you don't know what to do here, definitely say N.
+ 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).
config SCx200_I2C
tristate "NatSemi SCx200 I2C using GPIO pins (DEPRECATED)"