i2c: mux: Add register-based mux i2c-mux-reg
[linux-2.6-block.git] / drivers / i2c / busses / Kconfig
CommitLineData
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1#
2# Sensor device configuration
3#
4
5menu "I2C Hardware Bus support"
3ddb59d4 6 depends on HAS_IOMEM
1da177e4 7
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8comment "PC SMBus host controller drivers"
9 depends on PCI
10
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11config I2C_ALI1535
12 tristate "ALI 1535"
16538e6b 13 depends on PCI
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14 help
15 If you say yes to this option, support will be included for the SMB
16 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB
17 controller is part of the 7101 device, which is an ACPI-compliant
18 Power Management Unit (PMU).
19
20 This driver can also be built as a module. If so, the module
21 will be called i2c-ali1535.
22
23config I2C_ALI1563
24 tristate "ALI 1563"
417e86ce 25 depends on PCI
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26 help
27 If you say yes to this option, support will be included for the SMB
28 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB
29 controller is part of the 7101 device, which is an ACPI-compliant
30 Power Management Unit (PMU).
31
32 This driver can also be built as a module. If so, the module
33 will be called i2c-ali1563.
34
35config I2C_ALI15X3
36 tristate "ALI 15x3"
16538e6b 37 depends on PCI
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38 help
39 If you say yes to this option, support will be included for the
40 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
41
42 This driver can also be built as a module. If so, the module
43 will be called i2c-ali15x3.
44
45config I2C_AMD756
46 tristate "AMD 756/766/768/8111 and nVidia nForce"
16538e6b 47 depends on PCI
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48 help
49 If you say yes to this option, support will be included for the AMD
50 756/766/768 mainboard I2C interfaces. The driver also includes
51 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
52 the nVidia nForce I2C interface.
53
54 This driver can also be built as a module. If so, the module
55 will be called i2c-amd756.
56
57config I2C_AMD756_S4882
58 tristate "SMBus multiplexing on the Tyan S4882"
417e86ce 59 depends on I2C_AMD756 && X86
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60 help
61 Enabling this option will add specific SMBus support for the Tyan
62 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
63 over 8 different channels, where the various memory module EEPROMs
64 and temperature sensors live. Saying yes here will give you access
65 to these in addition to the trunk.
66
67 This driver can also be built as a module. If so, the module
68 will be called i2c-amd756-s4882.
69
70config I2C_AMD8111
71 tristate "AMD 8111"
16538e6b 72 depends on PCI
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73 help
74 If you say yes to this option, support will be included for the
75 second (SMBus 2.0) AMD 8111 mainboard I2C interface.
76
77 This driver can also be built as a module. If so, the module
78 will be called i2c-amd8111.
79
15ef2775
WY
80config I2C_HIX5HD2
81 tristate "Hix5hd2 high-speed I2C driver"
181d9a07 82 depends on ARCH_HIX5HD2 || COMPILE_TEST
15ef2775
WY
83 help
84 Say Y here to include support for high-speed I2C controller in the
85 Hisilicon based hix5hd2 SoCs.
86
87 This driver can also be built as a module. If so, the module
88 will be called i2c-hix5hd2.
89
1da177e4 90config I2C_I801
39376434 91 tristate "Intel 82801 (ICH/PCH)"
16538e6b 92 depends on PCI
8eacfceb 93 select CHECK_SIGNATURE if X86 && DMI
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94 help
95 If you say yes to this option, support will be included for the Intel
96 801 family of mainboard I2C interfaces. Specifically, the following
97 versions of the chipset are supported:
98 82801AA
99 82801AB
100 82801BA
101 82801CA/CAM
102 82801DB
103 82801EB/ER (ICH5/ICH5R)
104 6300ESB
105 ICH6
106 ICH7
b0a70b57 107 ESB2
8254fc4a 108 ICH8
adbc2a10 109 ICH9
cb04e95b 110 EP80579 (Tolapai)
d28dc711 111 ICH10
cb04e95b 112 5/3400 Series (PCH)
662cda8a 113 6 Series (PCH)
e30d9859 114 Patsburg (PCH)
662cda8a 115 DH89xxCC (PCH)
6e2a851e 116 Panther Point (PCH)
062737fb 117 Lynx Point (PCH)
4a8f1ddd 118 Lynx Point-LP (PCH)
c2db409c 119 Avoton (SOC)
a3fc0ff0 120 Wellsburg (PCH)
f39901c1 121 Coleto Creek (PCH)
b299de83 122 Wildcat Point (PCH)
afc65924 123 Wildcat Point-LP (PCH)
1b31e9b7 124 BayTrail (SOC)
3e27a844 125 Sunrise Point-H (PCH)
3eee1799 126 Sunrise Point-LP (PCH)
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127
128 This driver can also be built as a module. If so, the module
129 will be called i2c-i801.
130
5bc12008
AD
131config I2C_ISCH
132 tristate "Intel SCH SMBus 1.0"
0244ad00 133 depends on PCI
fd46a006 134 select LPC_SCH
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135 help
136 Say Y here if you want to use SMBus controller on the Intel SCH
137 based systems.
138
139 This driver can also be built as a module. If so, the module
140 will be called i2c-isch.
141
13f35ac1
NH
142config I2C_ISMT
143 tristate "Intel iSMT SMBus Controller"
144 depends on PCI && X86
145 help
146 If you say yes to this option, support will be included for the Intel
147 iSMT SMBus host controller interface.
148
149 This driver can also be built as a module. If so, the module will be
150 called i2c-ismt.
151
1da177e4 152config I2C_PIIX4
76b3e28f 153 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
16538e6b 154 depends on PCI
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155 help
156 If you say yes to this option, support will be included for the Intel
157 PIIX4 family of mainboard I2C interfaces. Specifically, the following
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158 versions of the chipset are supported (note that Serverworks is part
159 of Broadcom):
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160 Intel PIIX4
161 Intel 440MX
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162 ATI IXP200
163 ATI IXP300
164 ATI IXP400
4e6697fc 165 ATI SB600
2a2f7404 166 ATI SB700/SP5100
60693e5a 167 ATI SB800
3806e94b 168 AMD Hudson-2
032f708b 169 AMD ML
b996ac90 170 AMD CZ
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171 Serverworks OSB4
172 Serverworks CSB5
173 Serverworks CSB6
5f7ea3c5 174 Serverworks HT-1000
506a8b6c 175 Serverworks HT-1100
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176 SMSC Victory66
177
2a2f7404
AA
178 Some AMD chipsets contain two PIIX4-compatible SMBus
179 controllers. This driver will attempt to use both controllers
180 on the SB700/SP5100, if they have been initialized by the BIOS.
181
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182 This driver can also be built as a module. If so, the module
183 will be called i2c-piix4.
184
1da177e4 185config I2C_NFORCE2
5d740fe9 186 tristate "Nvidia nForce2, nForce3 and nForce4"
16538e6b 187 depends on PCI
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188 help
189 If you say yes to this option, support will be included for the Nvidia
5d740fe9 190 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
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191
192 This driver can also be built as a module. If so, the module
193 will be called i2c-nforce2.
194
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195config I2C_NFORCE2_S4985
196 tristate "SMBus multiplexing on the Tyan S4985"
417e86ce 197 depends on I2C_NFORCE2 && X86
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198 help
199 Enabling this option will add specific SMBus support for the Tyan
200 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
201 over 4 different channels, where the various memory module EEPROMs
202 live. Saying yes here will give you access to these in addition
203 to the trunk.
204
205 This driver can also be built as a module. If so, the module
206 will be called i2c-nforce2-s4985.
207
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208config I2C_SIS5595
209 tristate "SiS 5595"
210 depends on PCI
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211 help
212 If you say yes to this option, support will be included for the
f5b728a1 213 SiS5595 SMBus (a subset of I2C) interface.
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214
215 This driver can also be built as a module. If so, the module
f5b728a1 216 will be called i2c-sis5595.
18f98b1e 217
f5b728a1 218config I2C_SIS630
974d6a37 219 tristate "SiS 630/730/964"
f5b728a1 220 depends on PCI
010d442c
KS
221 help
222 If you say yes to this option, support will be included for the
974d6a37 223 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
010d442c 224
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225 This driver can also be built as a module. If so, the module
226 will be called i2c-sis630.
227
228config I2C_SIS96X
229 tristate "SiS 96x"
230 depends on PCI
231 help
232 If you say yes to this option, support will be included for the SiS
233 96x SMBus (a subset of I2C) interfaces. Specifically, the following
234 chipsets are supported:
235 645/961
236 645DX/961
237 645DX/962
238 648/961
239 650/961
240 735
241 745
242
243 This driver can also be built as a module. If so, the module
244 will be called i2c-sis96x.
245
246config I2C_VIA
247 tristate "VIA VT82C586B"
417e86ce 248 depends on PCI
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249 select I2C_ALGOBIT
250 help
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251 If you say yes to this option, support will be included for the VIA
252 82C586B I2C interface
1da177e4 253
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254 This driver can also be built as a module. If so, the module
255 will be called i2c-via.
e97b81dd 256
f5b728a1 257config I2C_VIAPRO
01d56a6a 258 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
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259 depends on PCI
260 help
261 If you say yes to this option, support will be included for the VIA
262 VT82C596 and later SMBus interface. Specifically, the following
263 chipsets are supported:
264 VT82C596A/B
265 VT82C686A/B
266 VT8231
267 VT8233/A
268 VT8235
269 VT8237R/A/S
270 VT8251
271 CX700
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272 VX800/VX820
273 VX855/VX875
01d56a6a 274 VX900
e97b81dd 275
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276 This driver can also be built as a module. If so, the module
277 will be called i2c-viapro.
1da177e4 278
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279if ACPI
280
281comment "ACPI drivers"
282
283config I2C_SCMI
284 tristate "SMBus Control Method Interface"
285 help
286 This driver supports the SMBus Control Method Interface. It needs the
287 BIOS to declare ACPI control methods as described in the SMBus Control
288 Method Interface specification.
289
290 To compile this driver as a module, choose M here:
291 the module will be called i2c-scmi.
292
293endif # ACPI
294
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295comment "Mac SMBus host controller drivers"
296 depends on PPC_CHRP || PPC_PMAC
1da177e4 297
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298config I2C_HYDRA
299 tristate "CHRP Apple Hydra Mac I/O I2C interface"
417e86ce 300 depends on PCI && PPC_CHRP
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301 select I2C_ALGOBIT
302 help
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303 This supports the use of the I2C interface in the Apple Hydra Mac
304 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
305 have such a machine.
4c03f68f 306
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307 This support is also available as a module. If so, the module
308 will be called i2c-hydra.
309
310config I2C_POWERMAC
311 tristate "Powermac I2C interface"
312 depends on PPC_PMAC
313 default y
314 help
315 This exposes the various PowerMac i2c interfaces to the linux i2c
316 layer and to userland. It is used by various drivers on the PowerMac
317 platform, and should generally be enabled.
1da177e4 318
4c03f68f 319 This support is also available as a module. If so, the module
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320 will be called i2c-powermac.
321
322comment "I2C system bus drivers (mostly embedded / system-on-chip)"
323
324config I2C_AT91
325 tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
417e86ce 326 depends on ARCH_AT91
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327 help
328 This supports the use of the I2C interface on Atmel AT91
329 processors.
330
fac368a0
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331 A serious problem is that there is no documented way to issue
332 repeated START conditions for more than two messages, as needed
f5b728a1 333 to support combined I2C messages. Use the i2c-gpio driver
fac368a0
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334 unless your system can cope with this limitation.
335
336 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
337 don't have clock stretching in transmission mode. For that reason,
338 you can encounter underrun issues causing premature stop sendings if
339 the latency to fill the transmission register is too long. If you
340 are facing this situation, use the i2c-gpio driver.
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341
342config I2C_AU1550
809f36c6 343 tristate "Au1550/Au1200/Au1300 SMBus interface"
37663860 344 depends on MIPS_ALCHEMY
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345 help
346 If you say yes to this option, support will be included for the
809f36c6 347 Au1550/Au1200/Au1300 SMBus interface.
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348
349 This driver can also be built as a module. If so, the module
350 will be called i2c-au1550.
351
08678b85
AB
352config I2C_AXXIA
353 tristate "Axxia I2C controller"
354 depends on ARCH_AXXIA || COMPILE_TEST
355 default ARCH_AXXIA
356 help
357 Say yes if you want to support the I2C bus on Axxia platforms.
358
359 Please note that this controller is limited to transfers of maximum
360 255 bytes in length. Any attempt to to a larger transfer will return
361 an error.
362
f3b54b9a
SW
363config I2C_BCM2835
364 tristate "Broadcom BCM2835 I2C controller"
365 depends on ARCH_BCM2835
366 help
367 If you say yes to this option, support will be included for the
368 BCM2835 I2C controller.
369
370 If you don't know what to do here, say N.
371
372 This support is also available as a module. If so, the module
373 will be called i2c-bcm2835.
374
e6e5dd35
RJ
375config I2C_BCM_IPROC
376 tristate "Broadcom iProc I2C controller"
377 depends on ARCH_BCM_IPROC || COMPILE_TEST
378 default ARCH_BCM_IPROC
379 help
380 If you say yes to this option, support will be included for the
381 Broadcom iProc I2C controller.
382
383 If you don't know what to do here, say N.
384
93d17247
TK
385config I2C_BCM_KONA
386 tristate "BCM Kona I2C adapter"
387 depends on ARCH_BCM_MOBILE
388 default y
389 help
390 If you say yes to this option, support will be included for the
391 I2C interface on the Broadcom Kona family of processors.
392
f54619f2 393 If you do not need KONA I2C interface, say N.
93d17247 394
dd1aa252
KD
395config I2C_BRCMSTB
396 tristate "BRCM Settop I2C controller"
397 depends on ARCH_BRCMSTB || COMPILE_TEST
398 default y
399 help
400 If you say yes to this option, support will be included for the
401 I2C interface on the Broadcom Settop SoCs.
402
403 If you do not need I2C interface, say N.
404
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405config I2C_BLACKFIN_TWI
406 tristate "Blackfin TWI I2C support"
407 depends on BLACKFIN
408 depends on !BF561 && !BF531 && !BF532 && !BF533
409 help
410 This is the I2C bus driver for Blackfin on-chip TWI interface.
411
412 This driver can also be built as a module. If so, the module
413 will be called i2c-bfin-twi.
414
415config I2C_BLACKFIN_TWI_CLK_KHZ
416 int "Blackfin TWI I2C clock (kHz)"
417 depends on I2C_BLACKFIN_TWI
9528d1c7 418 range 21 400
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419 default 50
420 help
421 The unit of the TWI clock is kHz.
422
df8eb569
SB
423config I2C_CADENCE
424 tristate "Cadence I2C Controller"
1fbeab0b 425 depends on ARCH_ZYNQ
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SB
426 help
427 Say yes here to select Cadence I2C Host Controller. This controller is
428 e.g. used by Xilinx Zynq.
429
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430config I2C_CBUS_GPIO
431 tristate "CBUS I2C driver"
7e5cd69a 432 depends on GPIOLIB || COMPILE_TEST
0857ba3c
AK
433 help
434 Support for CBUS access using I2C API. Mostly relevant for Nokia
435 Internet Tablets (770, N800 and N810).
436
437 This driver can also be built as a module. If so, the module
438 will be called i2c-cbus-gpio.
439
61045dbe
JF
440config I2C_CPM
441 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
62c19c9d 442 depends on CPM1 || CPM2
61045dbe
JF
443 help
444 This supports the use of the I2C interface on Freescale
445 processors with CPM1 or CPM2.
446
447 This driver can also be built as a module. If so, the module
448 will be called i2c-cpm.
449
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450config I2C_DAVINCI
451 tristate "DaVinci I2C driver"
d654b548 452 depends on ARCH_DAVINCI || ARCH_KEYSTONE
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453 help
454 Support for TI DaVinci I2C controller driver.
455
456 This driver can also be built as a module. If so, the module
457 will be called i2c-davinci.
458
459 Please note that this driver might be needed to bring up other
460 devices such as DaVinci NIC.
461 For details please see http://www.ti.com/davinci
462
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463config I2C_DESIGNWARE_CORE
464 tristate
465
2373f6b9 466config I2C_DESIGNWARE_PLATFORM
6b2aac42 467 tristate "Synopsys DesignWare Platform"
e68bb91b 468 select I2C_DESIGNWARE_CORE
a445900c 469 depends on (ACPI && COMMON_CLK) || !ACPI
1ab52cf9
BS
470 help
471 If you say yes to this option, support will be included for the
472 Synopsys DesignWare I2C adapter. Only master mode is supported.
473
474 This driver can also be built as a module. If so, the module
2373f6b9 475 will be called i2c-designware-platform.
1ab52cf9 476
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DB
477config I2C_DESIGNWARE_PCI
478 tristate "Synopsys DesignWare PCI"
479 depends on PCI
e68bb91b 480 select I2C_DESIGNWARE_CORE
fe20ff5c
DB
481 help
482 If you say yes to this option, support will be included for the
483 Synopsys DesignWare I2C adapter. Only master mode is supported.
484
485 This driver can also be built as a module. If so, the module
486 will be called i2c-designware-pci.
1ab52cf9 487
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DB
488config I2C_DESIGNWARE_BAYTRAIL
489 bool "Intel Baytrail I2C semaphore support"
b4ad0510 490 depends on I2C_DESIGNWARE_PLATFORM && IOSF_MBI=y && ACPI
894acb2f
DB
491 help
492 This driver enables managed host access to the PMIC I2C bus on select
493 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
494 the host to request uninterrupted access to the PMIC's I2C bus from
495 the platform firmware controlling it. You should say Y if running on
496 a BayTrail system using the AXP288.
497
4a7a0822
BS
498config I2C_DIGICOLOR
499 tristate "Conexant Digicolor I2C driver"
500 depends on ARCH_DIGICOLOR
501 help
502 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
503
504 This driver can also be built as a module. If so, the module
505 will be called i2c-digicolor.
506
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507config I2C_EFM32
508 tristate "EFM32 I2C controller"
509 depends on ARCH_EFM32 || COMPILE_TEST
510 help
511 This driver supports the i2c block found in Energy Micro's EFM32
512 SoCs.
513
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514config I2C_EG20T
515 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
fa96faaa 516 depends on PCI && (X86_32 || COMPILE_TEST)
3e1b76be
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517 help
518 This driver is for PCH(Platform controller Hub) I2C of EG20T which
519 is an IOH(Input/Output Hub) for x86 embedded processor.
520 This driver can access PCH I2C bus device.
521
522 This driver also can be used for LAPIS Semiconductor IOH(Input/
523 Output Hub), ML7213, ML7223 and ML7831.
524 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
525 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
526 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
527 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
528
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529config I2C_EMEV2
530 tristate "EMMA Mobile series I2C adapter"
531 depends on HAVE_CLK
532 help
533 If you say yes to this option, support will be included for the
534 I2C interface on the Renesas Electronics EM/EV family of processors.
535
8a73cd4c
NKC
536config I2C_EXYNOS5
537 tristate "Exynos5 high-speed I2C driver"
2374a539 538 depends on ARCH_EXYNOS && OF
741d3589 539 default y
8a73cd4c 540 help
741d3589 541 High-speed I2C controller on Exynos5 based Samsung SoCs.
8a73cd4c 542
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543config I2C_GPIO
544 tristate "GPIO-based bitbanging I2C"
7e5cd69a 545 depends on GPIOLIB || COMPILE_TEST
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546 select I2C_ALGOBIT
547 help
548 This is a very simple bitbanging I2C driver utilizing the
549 arch-neutral GPIO API to control the SCL and SDA lines.
550
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PM
551config I2C_HIGHLANDER
552 tristate "Highlander FPGA SMBus interface"
553 depends on SH_HIGHLANDER
554 help
555 If you say yes to this option, support will be included for
556 the SMBus interface located in the FPGA on various Highlander
557 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
558 FPGAs. This is wholly unrelated to the SoC I2C.
559
560 This driver can also be built as a module. If so, the module
561 will be called i2c-highlander.
562
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563config I2C_IBM_IIC
564 tristate "IBM PPC 4xx on-chip I2C interface"
565 depends on 4xx
566 help
567 Say Y here if you want to use IIC peripheral found on
568 embedded IBM PPC 4xx based systems.
569
570 This driver can also be built as a module. If so, the module
571 will be called i2c-ibm_iic.
572
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JH
573config I2C_IMG
574 tristate "Imagination Technologies I2C SCB Controller"
06205206 575 depends on MIPS || METAG || COMPILE_TEST
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JH
576 help
577 Say Y here if you want to use the IMG I2C SCB controller,
06205206 578 available on the TZ1090 and other IMG SoCs.
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JH
579
580 This driver can also be built as a module. If so, the module
581 will be called i2c-img-scb.
582
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DA
583config I2C_IMX
584 tristate "IMX I2C interface"
585 depends on ARCH_MXC
586 help
587 Say Y here if you want to use the IIC bus controller on
588 the Freescale i.MX/MXC processors.
589
590 This driver can also be built as a module. If so, the module
591 will be called i2c-imx.
592
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JD
593config I2C_IOP3XX
594 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
595 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
596 help
597 Say Y here if you want to use the IIC bus controller on
598 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
599
600 This driver can also be built as a module. If so, the module
601 will be called i2c-iop3xx.
602
ba92222e
ZLK
603config I2C_JZ4780
604 tristate "JZ4780 I2C controller interface support"
605 depends on MACH_JZ4780 || COMPILE_TEST
606 help
607 If you say yes to this option, support will be included for the
608 Ingenic JZ4780 I2C controller.
609
610 If you don't know what to do here, say N.
611
e0b9b7b0
KS
612config I2C_KEMPLD
613 tristate "Kontron COM I2C Controller"
614 depends on MFD_KEMPLD
615 help
616 This enables support for the I2C bus interface on some Kontron ETX
617 and COMexpress (ETXexpress) modules.
618
619 This driver can also be built as a module. If so, the module
620 will be called i2c-kempld.
621
30021e37
BG
622config I2C_MESON
623 tristate "Amlogic Meson I2C controller"
624 depends on ARCH_MESON
625 help
626 If you say yes to this option, support will be included for the
627 I2C interface on the Amlogic Meson family of SoCs.
628
f5b728a1 629config I2C_MPC
f00d738f 630 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
0724d464 631 depends on PPC
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JD
632 help
633 If you say yes to this option, support will be included for the
f00d738f
WG
634 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
635 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
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JD
636
637 This driver can also be built as a module. If so, the module
638 will be called i2c-mpc.
639
ce38815d
XC
640config I2C_MT65XX
641 tristate "MediaTek I2C adapter"
642 depends on ARCH_MEDIATEK || COMPILE_TEST
fc0a1f03 643 depends on HAS_DMA
ce38815d
XC
644 help
645 This selects the MediaTek(R) Integrated Inter Circuit bus driver
646 for MT65xx and MT81xx.
647 If you want to use MediaTek(R) I2C interface, say Y or M here.
648 If unsure, say N.
649
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650config I2C_MV64XXX
651 tristate "Marvell mv64xxx I2C Controller"
80c69915 652 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI
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JD
653 help
654 If you say yes to this option, support will be included for the
655 built-in I2C interface on the Marvell 64xxx line of host bridges.
3d66ac7d 656 This driver is also used for Allwinner SoCs I2C controllers.
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657
658 This driver can also be built as a module. If so, the module
659 will be called i2c-mv64xxx.
660
a8da7fec
WS
661config I2C_MXS
662 tristate "Freescale i.MX28 I2C interface"
663 depends on SOC_IMX28
6b866c15 664 select STMP_DEVICE
a8da7fec
WS
665 help
666 Say Y here if you want to use the I2C bus controller on
667 the Freescale i.MX28 processors.
668
669 This driver can also be built as a module. If so, the module
670 will be called i2c-mxs.
671
3f9900f1 672config I2C_NOMADIK
673 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
419408ed 674 depends on ARM_AMBA
3f9900f1 675 help
676 If you say yes to this option, support will be included for the
419408ed
AR
677 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
678 as well as the STA2X11 PCIe I/O HUB.
3f9900f1 679
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680config I2C_OCORES
681 tristate "OpenCores I2C Controller"
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JD
682 help
683 If you say yes to this option, support will be included for the
684 OpenCores I2C controller. For details see
685 http://www.opencores.org/projects.cgi/web/i2c/overview
686
687 This driver can also be built as a module. If so, the module
688 will be called i2c-ocores.
689
690config I2C_OMAP
691 tristate "OMAP I2C adapter"
692 depends on ARCH_OMAP
693 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
694 help
695 If you say yes to this option, support will be included for the
696 I2C interface on the Texas Instruments OMAP1/2 family of processors.
697 Like OMAP1510/1610/1710/5912 and OMAP242x.
698 For details see http://www.ti.com/omap.
1da177e4 699
beb58aa3
OJ
700config I2C_PASEMI
701 tristate "PA Semi SMBus interface"
16538e6b 702 depends on PPC_PASEMI && PCI
beb58aa3
OJ
703 help
704 Supports the PA Semi PWRficient on-chip SMBus interfaces.
705
35bfc353
WS
706config I2C_PCA_PLATFORM
707 tristate "PCA9564/PCA9665 as platform device"
708 select I2C_ALGOPCA
709 default n
710 help
711 This driver supports a memory mapped Philips PCA9564/PCA9665
712 parallel bus to I2C bus controller.
713
714 This driver can also be built as a module. If so, the module
715 will be called i2c-pca-platform.
716
717config I2C_PMCMSP
718 tristate "PMC MSP I2C TWI Controller"
719 depends on PMC_MSP
720 help
721 This driver supports the PMC TWI controller on MSP devices.
722
723 This driver can also be built as module. If so, the module
724 will be called i2c-pmcmsp.
725
f5b728a1 726config I2C_PNX
c115167a 727 tristate "I2C bus support for Philips PNX and NXP LPC targets"
d684f05f 728 depends on ARCH_LPC32XX
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JD
729 help
730 This driver supports the Philips IP3204 I2C IP block master and/or
731 slave controller
732
733 This driver can also be built as a module. If so, the module
734 will be called i2c-pnx.
735
d10e4a66
G
736config I2C_PUV3
737 tristate "PKUnity v3 I2C bus support"
738 depends on UNICORE32 && ARCH_PUV3
739 select I2C_ALGOBIT
740 help
741 This driver supports the I2C IP inside the PKUnity-v3 SoC.
742 This I2C bus controller is under AMBA/AXI bus.
743
744 This driver can also be built as a module. If so, the module
745 will be called i2c-puv3.
746
f5b728a1 747config I2C_PXA
d7c46ddd 748 tristate "Intel PXA2XX I2C adapter"
7e94dd15 749 depends on ARCH_PXA || ARCH_MMP || (X86_32 && PCI && OF)
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JD
750 help
751 If you have devices in the PXA I2C bus, say yes to this option.
752 This driver can also be built as a module. If so, the module
753 will be called i2c-pxa.
754
7e94dd15
SAS
755config I2C_PXA_PCI
756 def_bool I2C_PXA && X86_32 && PCI && OF
757
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JD
758config I2C_PXA_SLAVE
759 bool "Intel PXA2XX I2C Slave comms support"
7e94dd15 760 depends on I2C_PXA && !X86_32
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JD
761 help
762 Support I2C slave mode communications on the PXA I2C bus. This
763 is necessary for systems where the PXA may be a target on the
764 I2C bus.
765
10c5a842
BA
766config I2C_QUP
767 tristate "Qualcomm QUP based I2C controller"
768 depends on ARCH_QCOM
769 help
770 If you say yes to this option, support will be included for the
771 built-in I2C interface on the Qualcomm SoCs.
772
773 This driver can also be built as a module. If so, the module
774 will be called i2c-qup.
775
310c18a4
WS
776config I2C_RIIC
777 tristate "Renesas RIIC adapter"
778 depends on ARCH_SHMOBILE || COMPILE_TEST
779 help
780 If you say yes to this option, support will be included for the
781 Renesas RIIC I2C interface.
782
783 This driver can also be built as a module. If so, the module
784 will be called i2c-riic.
785
c41aa3ce
MS
786config I2C_RK3X
787 tristate "Rockchip RK3xxx I2C adapter"
80f1774f 788 depends on OF && COMMON_CLK
c41aa3ce
MS
789 help
790 Say Y here to include support for the I2C adapter in Rockchip RK3xxx
791 SoCs.
792
793 This driver can also be built as a module. If so, the module will
794 be called i2c-rk3x.
795
4b623926
NKC
796config HAVE_S3C2410_I2C
797 bool
798 help
799 This will include I2C support for Samsung SoCs. If you want to
800 include I2C support for any machine, kindly select this in the
801 respective Kconfig file.
802
1da177e4
LT
803config I2C_S3C2410
804 tristate "S3C2410 I2C Driver"
4b623926 805 depends on HAVE_S3C2410_I2C
1da177e4
LT
806 help
807 Say Y here to include support for I2C controller in the
4b623926 808 Samsung SoCs.
1da177e4 809
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JD
810config I2C_SH7760
811 tristate "Renesas SH7760 I2C Controller"
812 depends on CPU_SUBTYPE_SH7760
1da177e4 813 help
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JD
814 This driver supports the 2 I2C interfaces on the Renesas SH7760.
815
816 This driver can also be built as a module. If so, the module
817 will be called i2c-sh7760.
818
819config I2C_SH_MOBILE
820 tristate "SuperH Mobile I2C Controller"
f16ea4f0 821 depends on HAS_DMA
46a4e737 822 depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
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JD
823 help
824 If you say yes to this option, support will be included for the
825 built-in I2C interface on the Renesas SH-Mobile processor.
826
827 This driver can also be built as a module. If so, the module
828 will be called i2c-sh_mobile.
1da177e4 829
bcda9f1e
BD
830config I2C_SIMTEC
831 tristate "Simtec Generic I2C interface"
832 select I2C_ALGOBIT
833 help
01dd2fbf 834 If you say yes to this option, support will be included for
bcda9f1e
BD
835 the Simtec Generic I2C interface. This driver is for the
836 simple I2C bus used on newer Simtec products for general
837 I2C, such as DDC on the Simtec BBD2016A.
838
01dd2fbf 839 This driver can also be built as a module. If so, the module
bcda9f1e
BD
840 will be called i2c-simtec.
841
979b907f
ZS
842config I2C_SIRF
843 tristate "CSR SiRFprimaII I2C interface"
c5dece37 844 depends on ARCH_SIRF
979b907f
ZS
845 help
846 If you say yes to this option, support will be included for the
847 CSR SiRFprimaII I2C interface.
848
849 This driver can also be built as a module. If so, the module
850 will be called i2c-sirf.
851
85b4fab2
MC
852config I2C_ST
853 tristate "STMicroelectronics SSC I2C support"
854 depends on ARCH_STI
855 help
856 Enable this option to add support for STMicroelectronics SoCs
857 hardware SSC (Synchronous Serial Controller) as an I2C controller.
858
859 This driver can also be built as module. If so, the module
860 will be called i2c-st.
861
18904c0e
LW
862config I2C_STU300
863 tristate "ST Microelectronics DDC I2C interface"
4eaad8ad 864 depends on MACH_U300
18904c0e
LW
865 default y if MACH_U300
866 help
867 If you say yes to this option, support will be included for the
868 I2C interface from ST Microelectronics simply called "DDC I2C"
869 supporting both I2C and DDC, used in e.g. the U300 series
870 mobile platforms.
871
872 This driver can also be built as a module. If so, the module
873 will be called i2c-stu300.
874
3e833490
BB
875config I2C_SUN6I_P2WI
876 tristate "Allwinner sun6i internal P2WI controller"
877 depends on RESET_CONTROLLER
878 depends on MACH_SUN6I || COMPILE_TEST
879 help
880 If you say yes to this option, support will be included for the
881 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
882 SOCs.
883 The P2WI looks like an SMBus controller (which supports only byte
884 accesses), except that it only supports one slave device.
885 This interface is used to connect to specific PMIC devices (like the
886 AXP221).
887
db811ca0
CC
888config I2C_TEGRA
889 tristate "NVIDIA Tegra internal I2C controller"
890 depends on ARCH_TEGRA
891 help
892 If you say yes to this option, support will be included for the
893 I2C controller embedded in NVIDIA Tegra SOCs
894
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JD
895config I2C_VERSATILE
896 tristate "ARM Versatile/Realview I2C bus support"
ceade897 897 depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS
1da177e4
LT
898 select I2C_ALGOBIT
899 help
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JD
900 Say yes if you want to support the I2C serial bus on ARMs Versatile
901 range of platforms.
1da177e4 902
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JD
903 This driver can also be built as a module. If so, the module
904 will be called i2c-versatile.
1da177e4 905
560746eb
TP
906config I2C_WMT
907 tristate "Wondermedia WM8xxx SoC I2C bus support"
908 depends on ARCH_VT8500
909 help
910 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
911 SoCs.
912
913 This driver can also be built as a module. If so, the module will be
914 called i2c-wmt.
915
85660f43
RB
916config I2C_OCTEON
917 tristate "Cavium OCTEON I2C bus support"
9ddebc46 918 depends on CAVIUM_OCTEON_SOC
85660f43
RB
919 help
920 Say yes if you want to support the I2C serial bus on Cavium
921 OCTEON SOC.
922
923 This driver can also be built as a module. If so, the module
924 will be called i2c-octeon.
925
e1d5b659
RR
926config I2C_XILINX
927 tristate "Xilinx I2C Controller"
417e86ce 928 depends on HAS_IOMEM
e1d5b659
RR
929 help
930 If you say yes to this option, support will be included for the
931 Xilinx I2C controller.
932
933 This driver can also be built as a module. If so, the module
934 will be called xilinx_i2c.
935
401c3434
GR
936config I2C_XLR
937 tristate "XLR I2C support"
938 depends on CPU_XLR
939 help
940 This driver enables support for the on-chip I2C interface of
941 the Netlogic XLR/XLS MIPS processors.
942
943 This driver can also be built as a module. If so, the module
944 will be called i2c-xlr.
945
2bbd681b
SSB
946config I2C_XLP9XX
947 tristate "XLP9XX I2C support"
948 depends on CPU_XLP || COMPILE_TEST
949 help
950 This driver enables support for the on-chip I2C interface of
951 the Broadcom XLP9xx/XLP5xx MIPS processors.
952
953 This driver can also be built as a module. If so, the module will
954 be called i2c-xlp9xx.
955
6ccbe607
KM
956config I2C_RCAR
957 tristate "Renesas R-Car I2C Controller"
46a4e737 958 depends on ARCH_SHMOBILE || COMPILE_TEST
d5fd120e 959 select I2C_SLAVE
6ccbe607
KM
960 help
961 If you say yes to this option, support will be included for the
962 R-Car I2C controller.
963
964 This driver can also be built as a module. If so, the module
965 will be called i2c-rcar.
966
f5b728a1 967comment "External I2C/SMBus adapter drivers"
11de70bd 968
335d7c58
GR
969config I2C_DIOLAN_U2C
970 tristate "Diolan U2C-12 USB adapter"
971 depends on USB
972 help
973 If you say yes to this option, support will be included for Diolan
974 U2C-12, a USB to I2C interface.
975
976 This driver can also be built as a module. If so, the module
977 will be called i2c-diolan-u2c.
978
db23e500
LP
979config I2C_DLN2
980 tristate "Diolan DLN-2 USB I2C adapter"
981 depends on MFD_DLN2
982 help
983 If you say yes to this option, support will be included for Diolan
984 DLN2, a USB to I2C interface.
985
986 This driver can also be built as a module. If so, the module
987 will be called i2c-dln2.
988
f5b728a1
JD
989config I2C_PARPORT
990 tristate "Parallel port adapter"
0244ad00 991 depends on PARPORT
f5b728a1 992 select I2C_ALGOBIT
35859254 993 select I2C_SMBUS
1da177e4 994 help
f5b728a1
JD
995 This supports parallel port I2C adapters such as the ones made by
996 Philips or Velleman, Analog Devices evaluation boards, and more.
997 Basically any adapter using the parallel port as an I2C bus with
998 no extra chipset is supported by this driver, or could be.
1da177e4 999
f5b728a1
JD
1000 This driver is a replacement for (and was inspired by) an older
1001 driver named i2c-philips-par. The new driver supports more devices,
1002 and makes it easier to add support for new devices.
1da177e4 1003
f5b728a1
JD
1004 An adapter type parameter is now mandatory. Please read the file
1005 Documentation/i2c/busses/i2c-parport for details.
1da177e4 1006
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JD
1007 Another driver exists, named i2c-parport-light, which doesn't depend
1008 on the parport driver. This is meant for embedded systems. Don't say
1009 Y here if you intend to say Y or M there.
1da177e4 1010
4c03f68f 1011 This support is also available as a module. If so, the module
f5b728a1 1012 will be called i2c-parport.
1da177e4 1013
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JD
1014config I2C_PARPORT_LIGHT
1015 tristate "Parallel port adapter (light)"
1016 select I2C_ALGOBIT
927ab2f8 1017 select I2C_SMBUS
1da177e4 1018 help
f5b728a1
JD
1019 This supports parallel port I2C adapters such as the ones made by
1020 Philips or Velleman, Analog Devices evaluation boards, and more.
1021 Basically any adapter using the parallel port as an I2C bus with
1022 no extra chipset is supported by this driver, or could be.
1da177e4 1023
f5b728a1
JD
1024 This driver is a light version of i2c-parport. It doesn't depend
1025 on the parport driver, and uses direct I/O access instead. This
1026 might be preferred on embedded systems where wasting memory for
1027 the clean but heavy parport handling is not an option. The
1028 drawback is a reduced portability and the impossibility to
1029 daisy-chain other parallel port devices.
1da177e4 1030
f5b728a1
JD
1031 Don't say Y here if you said Y or M to i2c-parport. Saying M to
1032 both is possible but both modules should not be loaded at the same
1033 time.
1da177e4 1034
f5b728a1
JD
1035 This support is also available as a module. If so, the module
1036 will be called i2c-parport-light.
1da177e4 1037
83e53a8f
AL
1038config I2C_ROBOTFUZZ_OSIF
1039 tristate "RobotFuzz Open Source InterFace USB adapter"
1040 depends on USB
1041 help
1042 If you say yes to this option, support will be included for the
1043 RobotFuzz Open Source InterFace USB to I2C interface.
1044
1045 This driver can also be built as a module. If so, the module
1046 will be called i2c-osif.
1047
b9cdad74
JD
1048config I2C_TAOS_EVM
1049 tristate "TAOS evaluation module"
21eaab6d 1050 depends on TTY
b9cdad74
JD
1051 select SERIO
1052 select SERIO_SERPORT
1053 default n
1054 help
1055 This supports TAOS evaluation modules on serial port. In order to
1056 use this driver, you will need the inputattach tool, which is part
1057 of the input-utils package.
1058
1059 If unsure, say N.
1060
1061 This support is also available as a module. If so, the module
1062 will be called i2c-taos-evm.
1063
e8c76eed 1064config I2C_TINY_USB
f5b728a1 1065 tristate "Tiny-USB adapter"
e8c76eed
TH
1066 depends on USB
1067 help
1068 If you say yes to this option, support will be included for the
1069 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1070 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1071
1072 This driver can also be built as a module. If so, the module
1073 will be called i2c-tiny-usb.
1074
174a13aa
LP
1075config I2C_VIPERBOARD
1076 tristate "Viperboard I2C master support"
1077 depends on MFD_VIPERBOARD && USB
1078 help
1079 Say yes here to access the I2C part of the Nano River
1080 Technologies Viperboard as I2C master.
1081 See viperboard API specification and Nano
1082 River Tech's viperboard.h for detailed meaning
1083 of the module parameters.
1084
f5b728a1 1085comment "Other I2C/SMBus bus drivers"
6b65cd74 1086
8d91cbad 1087config I2C_ACORN
2a9915c8 1088 tristate "Acorn IOC/IOMD I2C bus support"
16538e6b 1089 depends on ARCH_ACORN
8d91cbad
RK
1090 default y
1091 select I2C_ALGOBIT
1092 help
1093 Say yes if you want to support the I2C bus on Acorn platforms.
1094
1095 If you don't know, say Y.
1096
f5b728a1
JD
1097config I2C_ELEKTOR
1098 tristate "Elektor ISA card"
ce816fa8 1099 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
f5b728a1 1100 select I2C_ALGOPCF
1da177e4 1101 help
f5b728a1
JD
1102 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
1103 such an adapter.
1da177e4 1104
f5b728a1
JD
1105 This support is also available as a module. If so, the module
1106 will be called i2c-elektor.
1da177e4
LT
1107
1108config I2C_PCA_ISA
eff9ec95 1109 tristate "PCA9564/PCA9665 on an ISA bus"
16538e6b 1110 depends on ISA
1da177e4 1111 select I2C_ALGOPCA
aee62305 1112 default n
1da177e4 1113 help
eff9ec95 1114 This driver supports ISA boards using the Philips PCA9564/PCA9665
244fbbb8 1115 parallel bus to I2C bus controller.
4c03f68f 1116
1da177e4
LT
1117 This driver can also be built as a module. If so, the module
1118 will be called i2c-pca-isa.
1119
aee62305
JD
1120 This device is almost undetectable and using this driver on a
1121 system which doesn't have this device will result in long
1122 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1123 time). If unsure, say N.
1124
f5b728a1
JD
1125config I2C_SIBYTE
1126 tristate "SiByte SMBus interface"
1127 depends on SIBYTE_SB1xxx_SOC
a26c20b1 1128 help
f5b728a1 1129 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
a26c20b1 1130
9d230c9e
DA
1131config I2C_CROS_EC_TUNNEL
1132 tristate "ChromeOS EC tunnel I2C bus"
062476f2 1133 depends on CROS_EC_PROTO
9d230c9e
DA
1134 help
1135 If you say yes here you get an I2C bus that will tunnel i2c commands
1136 through to the other side of the ChromeOS EC to the i2c bus
1137 connected there. This will work whatever the interface used to
1138 talk to the EC (SPI, I2C or LPC).
1139
f6505fba
FK
1140config I2C_XGENE_SLIMPRO
1141 tristate "APM X-Gene SoC I2C SLIMpro devices support"
1142 depends on ARCH_XGENE && MAILBOX
1143 help
1144 Enable I2C bus access using the APM X-Gene SoC SLIMpro
1145 co-processor. The I2C device access the I2C bus via the X-Gene
1146 to SLIMpro (On chip coprocessor) mailbox mechanism.
1147 If unsure, say N.
1148
f5b728a1
JD
1149config SCx200_ACB
1150 tristate "Geode ACCESS.bus support"
1151 depends on X86_32 && PCI
1152 help
1153 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1154 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1155
1156 If you don't know what to do here, say N.
1157
1158 This support is also available as a module. If so, the module
1159 will be called scx200_acb.
da672773 1160
47083450
NG
1161config I2C_OPAL
1162 tristate "IBM OPAL I2C driver"
1163 depends on PPC_POWERNV
1164 default y
1165 help
1166 This exposes the PowerNV platform i2c busses to the linux i2c layer,
1167 the driver is based on the OPAL interfaces.
1168
1169 This driver can also be built as a module. If so, the module will be
1170 called as i2c-opal.
1171
1da177e4 1172endmenu