clk: shmobile: emev2: deassert reset for IIC0/1
[linux-2.6-block.git] / drivers / i2c / busses / Kconfig
CommitLineData
1da177e4
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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
1da177e4
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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
1da177e4
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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
1da177e4
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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
1da177e4
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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
1da177e4
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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)
1da177e4
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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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AD
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
1da177e4
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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.
1da177e4
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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
279e9024
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195config I2C_NFORCE2_S4985
196 tristate "SMBus multiplexing on the Tyan S4985"
417e86ce 197 depends on I2C_NFORCE2 && X86
279e9024
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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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JD
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
NV
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
NV
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
df8eb569
SB
426 help
427 Say yes here to select Cadence I2C Host Controller. This controller is
428 e.g. used by Xilinx Zynq.
429
0857ba3c
AK
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
e68bb91b
AL
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
fe20ff5c
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
894acb2f
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
1b5b2371
UKK
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
3e1b76be
J
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
J
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
8a73cd4c
NKC
529config I2C_EXYNOS5
530 tristate "Exynos5 high-speed I2C driver"
2374a539 531 depends on ARCH_EXYNOS && OF
741d3589 532 default y
8a73cd4c 533 help
741d3589 534 High-speed I2C controller on Exynos5 based Samsung SoCs.
8a73cd4c 535
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536config I2C_GPIO
537 tristate "GPIO-based bitbanging I2C"
7e5cd69a 538 depends on GPIOLIB || COMPILE_TEST
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539 select I2C_ALGOBIT
540 help
541 This is a very simple bitbanging I2C driver utilizing the
542 arch-neutral GPIO API to control the SCL and SDA lines.
543
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PM
544config I2C_HIGHLANDER
545 tristate "Highlander FPGA SMBus interface"
546 depends on SH_HIGHLANDER
547 help
548 If you say yes to this option, support will be included for
549 the SMBus interface located in the FPGA on various Highlander
550 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
551 FPGAs. This is wholly unrelated to the SoC I2C.
552
553 This driver can also be built as a module. If so, the module
554 will be called i2c-highlander.
555
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556config I2C_IBM_IIC
557 tristate "IBM PPC 4xx on-chip I2C interface"
558 depends on 4xx
559 help
560 Say Y here if you want to use IIC peripheral found on
561 embedded IBM PPC 4xx based systems.
562
563 This driver can also be built as a module. If so, the module
564 will be called i2c-ibm_iic.
565
27bce457
JH
566config I2C_IMG
567 tristate "Imagination Technologies I2C SCB Controller"
06205206 568 depends on MIPS || METAG || COMPILE_TEST
27bce457
JH
569 help
570 Say Y here if you want to use the IMG I2C SCB controller,
06205206 571 available on the TZ1090 and other IMG SoCs.
27bce457
JH
572
573 This driver can also be built as a module. If so, the module
574 will be called i2c-img-scb.
575
aa11e38c
DA
576config I2C_IMX
577 tristate "IMX I2C interface"
578 depends on ARCH_MXC
579 help
580 Say Y here if you want to use the IIC bus controller on
581 the Freescale i.MX/MXC processors.
582
583 This driver can also be built as a module. If so, the module
584 will be called i2c-imx.
585
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JD
586config I2C_IOP3XX
587 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
588 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
589 help
590 Say Y here if you want to use the IIC bus controller on
591 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
592
593 This driver can also be built as a module. If so, the module
594 will be called i2c-iop3xx.
595
ba92222e
ZLK
596config I2C_JZ4780
597 tristate "JZ4780 I2C controller interface support"
598 depends on MACH_JZ4780 || COMPILE_TEST
599 help
600 If you say yes to this option, support will be included for the
601 Ingenic JZ4780 I2C controller.
602
603 If you don't know what to do here, say N.
604
e0b9b7b0
KS
605config I2C_KEMPLD
606 tristate "Kontron COM I2C Controller"
607 depends on MFD_KEMPLD
608 help
609 This enables support for the I2C bus interface on some Kontron ETX
610 and COMexpress (ETXexpress) modules.
611
612 This driver can also be built as a module. If so, the module
613 will be called i2c-kempld.
614
30021e37
BG
615config I2C_MESON
616 tristate "Amlogic Meson I2C controller"
617 depends on ARCH_MESON
618 help
619 If you say yes to this option, support will be included for the
620 I2C interface on the Amlogic Meson family of SoCs.
621
f5b728a1 622config I2C_MPC
f00d738f 623 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
0724d464 624 depends on PPC
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JD
625 help
626 If you say yes to this option, support will be included for the
f00d738f
WG
627 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
628 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
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JD
629
630 This driver can also be built as a module. If so, the module
631 will be called i2c-mpc.
632
ce38815d
XC
633config I2C_MT65XX
634 tristate "MediaTek I2C adapter"
635 depends on ARCH_MEDIATEK || COMPILE_TEST
fc0a1f03 636 depends on HAS_DMA
ce38815d
XC
637 help
638 This selects the MediaTek(R) Integrated Inter Circuit bus driver
639 for MT65xx and MT81xx.
640 If you want to use MediaTek(R) I2C interface, say Y or M here.
641 If unsure, say N.
642
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643config I2C_MV64XXX
644 tristate "Marvell mv64xxx I2C Controller"
80c69915 645 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI
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JD
646 help
647 If you say yes to this option, support will be included for the
648 built-in I2C interface on the Marvell 64xxx line of host bridges.
3d66ac7d 649 This driver is also used for Allwinner SoCs I2C controllers.
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JD
650
651 This driver can also be built as a module. If so, the module
652 will be called i2c-mv64xxx.
653
a8da7fec
WS
654config I2C_MXS
655 tristate "Freescale i.MX28 I2C interface"
656 depends on SOC_IMX28
6b866c15 657 select STMP_DEVICE
a8da7fec
WS
658 help
659 Say Y here if you want to use the I2C bus controller on
660 the Freescale i.MX28 processors.
661
662 This driver can also be built as a module. If so, the module
663 will be called i2c-mxs.
664
3f9900f1 665config I2C_NOMADIK
666 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
419408ed 667 depends on ARM_AMBA
3f9900f1 668 help
669 If you say yes to this option, support will be included for the
419408ed
AR
670 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
671 as well as the STA2X11 PCIe I/O HUB.
3f9900f1 672
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673config I2C_OCORES
674 tristate "OpenCores I2C Controller"
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JD
675 help
676 If you say yes to this option, support will be included for the
677 OpenCores I2C controller. For details see
678 http://www.opencores.org/projects.cgi/web/i2c/overview
679
680 This driver can also be built as a module. If so, the module
681 will be called i2c-ocores.
682
683config I2C_OMAP
684 tristate "OMAP I2C adapter"
685 depends on ARCH_OMAP
686 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
687 help
688 If you say yes to this option, support will be included for the
689 I2C interface on the Texas Instruments OMAP1/2 family of processors.
690 Like OMAP1510/1610/1710/5912 and OMAP242x.
691 For details see http://www.ti.com/omap.
1da177e4 692
beb58aa3
OJ
693config I2C_PASEMI
694 tristate "PA Semi SMBus interface"
16538e6b 695 depends on PPC_PASEMI && PCI
beb58aa3
OJ
696 help
697 Supports the PA Semi PWRficient on-chip SMBus interfaces.
698
35bfc353
WS
699config I2C_PCA_PLATFORM
700 tristate "PCA9564/PCA9665 as platform device"
701 select I2C_ALGOPCA
702 default n
703 help
704 This driver supports a memory mapped Philips PCA9564/PCA9665
705 parallel bus to I2C bus controller.
706
707 This driver can also be built as a module. If so, the module
708 will be called i2c-pca-platform.
709
710config I2C_PMCMSP
711 tristate "PMC MSP I2C TWI Controller"
712 depends on PMC_MSP
713 help
714 This driver supports the PMC TWI controller on MSP devices.
715
716 This driver can also be built as module. If so, the module
717 will be called i2c-pmcmsp.
718
f5b728a1 719config I2C_PNX
c115167a 720 tristate "I2C bus support for Philips PNX and NXP LPC targets"
d684f05f 721 depends on ARCH_LPC32XX
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JD
722 help
723 This driver supports the Philips IP3204 I2C IP block master and/or
724 slave controller
725
726 This driver can also be built as a module. If so, the module
727 will be called i2c-pnx.
728
d10e4a66
G
729config I2C_PUV3
730 tristate "PKUnity v3 I2C bus support"
731 depends on UNICORE32 && ARCH_PUV3
732 select I2C_ALGOBIT
733 help
734 This driver supports the I2C IP inside the PKUnity-v3 SoC.
735 This I2C bus controller is under AMBA/AXI bus.
736
737 This driver can also be built as a module. If so, the module
738 will be called i2c-puv3.
739
f5b728a1 740config I2C_PXA
d7c46ddd 741 tristate "Intel PXA2XX I2C adapter"
7e94dd15 742 depends on ARCH_PXA || ARCH_MMP || (X86_32 && PCI && OF)
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JD
743 help
744 If you have devices in the PXA I2C bus, say yes to this option.
745 This driver can also be built as a module. If so, the module
746 will be called i2c-pxa.
747
7e94dd15
SAS
748config I2C_PXA_PCI
749 def_bool I2C_PXA && X86_32 && PCI && OF
750
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JD
751config I2C_PXA_SLAVE
752 bool "Intel PXA2XX I2C Slave comms support"
7e94dd15 753 depends on I2C_PXA && !X86_32
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JD
754 help
755 Support I2C slave mode communications on the PXA I2C bus. This
756 is necessary for systems where the PXA may be a target on the
757 I2C bus.
758
10c5a842
BA
759config I2C_QUP
760 tristate "Qualcomm QUP based I2C controller"
761 depends on ARCH_QCOM
762 help
763 If you say yes to this option, support will be included for the
764 built-in I2C interface on the Qualcomm SoCs.
765
766 This driver can also be built as a module. If so, the module
767 will be called i2c-qup.
768
310c18a4
WS
769config I2C_RIIC
770 tristate "Renesas RIIC adapter"
771 depends on ARCH_SHMOBILE || COMPILE_TEST
772 help
773 If you say yes to this option, support will be included for the
774 Renesas RIIC I2C interface.
775
776 This driver can also be built as a module. If so, the module
777 will be called i2c-riic.
778
c41aa3ce
MS
779config I2C_RK3X
780 tristate "Rockchip RK3xxx I2C adapter"
80f1774f 781 depends on OF && COMMON_CLK
c41aa3ce
MS
782 help
783 Say Y here to include support for the I2C adapter in Rockchip RK3xxx
784 SoCs.
785
786 This driver can also be built as a module. If so, the module will
787 be called i2c-rk3x.
788
4b623926
NKC
789config HAVE_S3C2410_I2C
790 bool
791 help
792 This will include I2C support for Samsung SoCs. If you want to
793 include I2C support for any machine, kindly select this in the
794 respective Kconfig file.
795
1da177e4
LT
796config I2C_S3C2410
797 tristate "S3C2410 I2C Driver"
4b623926 798 depends on HAVE_S3C2410_I2C
1da177e4
LT
799 help
800 Say Y here to include support for I2C controller in the
4b623926 801 Samsung SoCs.
1da177e4 802
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JD
803config I2C_SH7760
804 tristate "Renesas SH7760 I2C Controller"
805 depends on CPU_SUBTYPE_SH7760
1da177e4 806 help
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JD
807 This driver supports the 2 I2C interfaces on the Renesas SH7760.
808
809 This driver can also be built as a module. If so, the module
810 will be called i2c-sh7760.
811
812config I2C_SH_MOBILE
813 tristate "SuperH Mobile I2C Controller"
f16ea4f0 814 depends on HAS_DMA
46a4e737 815 depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
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JD
816 help
817 If you say yes to this option, support will be included for the
818 built-in I2C interface on the Renesas SH-Mobile processor.
819
820 This driver can also be built as a module. If so, the module
821 will be called i2c-sh_mobile.
1da177e4 822
bcda9f1e
BD
823config I2C_SIMTEC
824 tristate "Simtec Generic I2C interface"
825 select I2C_ALGOBIT
826 help
01dd2fbf 827 If you say yes to this option, support will be included for
bcda9f1e
BD
828 the Simtec Generic I2C interface. This driver is for the
829 simple I2C bus used on newer Simtec products for general
830 I2C, such as DDC on the Simtec BBD2016A.
831
01dd2fbf 832 This driver can also be built as a module. If so, the module
bcda9f1e
BD
833 will be called i2c-simtec.
834
979b907f
ZS
835config I2C_SIRF
836 tristate "CSR SiRFprimaII I2C interface"
c5dece37 837 depends on ARCH_SIRF
979b907f
ZS
838 help
839 If you say yes to this option, support will be included for the
840 CSR SiRFprimaII I2C interface.
841
842 This driver can also be built as a module. If so, the module
843 will be called i2c-sirf.
844
85b4fab2
MC
845config I2C_ST
846 tristate "STMicroelectronics SSC I2C support"
847 depends on ARCH_STI
848 help
849 Enable this option to add support for STMicroelectronics SoCs
850 hardware SSC (Synchronous Serial Controller) as an I2C controller.
851
852 This driver can also be built as module. If so, the module
853 will be called i2c-st.
854
18904c0e
LW
855config I2C_STU300
856 tristate "ST Microelectronics DDC I2C interface"
4eaad8ad 857 depends on MACH_U300
18904c0e
LW
858 default y if MACH_U300
859 help
860 If you say yes to this option, support will be included for the
861 I2C interface from ST Microelectronics simply called "DDC I2C"
862 supporting both I2C and DDC, used in e.g. the U300 series
863 mobile platforms.
864
865 This driver can also be built as a module. If so, the module
866 will be called i2c-stu300.
867
3e833490
BB
868config I2C_SUN6I_P2WI
869 tristate "Allwinner sun6i internal P2WI controller"
870 depends on RESET_CONTROLLER
871 depends on MACH_SUN6I || COMPILE_TEST
872 help
873 If you say yes to this option, support will be included for the
874 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
875 SOCs.
876 The P2WI looks like an SMBus controller (which supports only byte
877 accesses), except that it only supports one slave device.
878 This interface is used to connect to specific PMIC devices (like the
879 AXP221).
880
db811ca0
CC
881config I2C_TEGRA
882 tristate "NVIDIA Tegra internal I2C controller"
883 depends on ARCH_TEGRA
884 help
885 If you say yes to this option, support will be included for the
886 I2C controller embedded in NVIDIA Tegra SOCs
887
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JD
888config I2C_VERSATILE
889 tristate "ARM Versatile/Realview I2C bus support"
ceade897 890 depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS
1da177e4
LT
891 select I2C_ALGOBIT
892 help
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JD
893 Say yes if you want to support the I2C serial bus on ARMs Versatile
894 range of platforms.
1da177e4 895
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JD
896 This driver can also be built as a module. If so, the module
897 will be called i2c-versatile.
1da177e4 898
560746eb
TP
899config I2C_WMT
900 tristate "Wondermedia WM8xxx SoC I2C bus support"
901 depends on ARCH_VT8500
902 help
903 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
904 SoCs.
905
906 This driver can also be built as a module. If so, the module will be
907 called i2c-wmt.
908
85660f43
RB
909config I2C_OCTEON
910 tristate "Cavium OCTEON I2C bus support"
9ddebc46 911 depends on CAVIUM_OCTEON_SOC
85660f43
RB
912 help
913 Say yes if you want to support the I2C serial bus on Cavium
914 OCTEON SOC.
915
916 This driver can also be built as a module. If so, the module
917 will be called i2c-octeon.
918
e1d5b659
RR
919config I2C_XILINX
920 tristate "Xilinx I2C Controller"
417e86ce 921 depends on HAS_IOMEM
e1d5b659
RR
922 help
923 If you say yes to this option, support will be included for the
924 Xilinx I2C controller.
925
926 This driver can also be built as a module. If so, the module
927 will be called xilinx_i2c.
928
401c3434
GR
929config I2C_XLR
930 tristate "XLR I2C support"
931 depends on CPU_XLR
932 help
933 This driver enables support for the on-chip I2C interface of
934 the Netlogic XLR/XLS MIPS processors.
935
936 This driver can also be built as a module. If so, the module
937 will be called i2c-xlr.
938
2bbd681b
SSB
939config I2C_XLP9XX
940 tristate "XLP9XX I2C support"
941 depends on CPU_XLP || COMPILE_TEST
942 help
943 This driver enables support for the on-chip I2C interface of
944 the Broadcom XLP9xx/XLP5xx MIPS processors.
945
946 This driver can also be built as a module. If so, the module will
947 be called i2c-xlp9xx.
948
6ccbe607
KM
949config I2C_RCAR
950 tristate "Renesas R-Car I2C Controller"
46a4e737 951 depends on ARCH_SHMOBILE || COMPILE_TEST
d5fd120e 952 select I2C_SLAVE
6ccbe607
KM
953 help
954 If you say yes to this option, support will be included for the
955 R-Car I2C controller.
956
957 This driver can also be built as a module. If so, the module
958 will be called i2c-rcar.
959
f5b728a1 960comment "External I2C/SMBus adapter drivers"
11de70bd 961
335d7c58
GR
962config I2C_DIOLAN_U2C
963 tristate "Diolan U2C-12 USB adapter"
964 depends on USB
965 help
966 If you say yes to this option, support will be included for Diolan
967 U2C-12, a USB to I2C interface.
968
969 This driver can also be built as a module. If so, the module
970 will be called i2c-diolan-u2c.
971
db23e500
LP
972config I2C_DLN2
973 tristate "Diolan DLN-2 USB I2C adapter"
974 depends on MFD_DLN2
975 help
976 If you say yes to this option, support will be included for Diolan
977 DLN2, a USB to I2C interface.
978
979 This driver can also be built as a module. If so, the module
980 will be called i2c-dln2.
981
f5b728a1
JD
982config I2C_PARPORT
983 tristate "Parallel port adapter"
0244ad00 984 depends on PARPORT
f5b728a1 985 select I2C_ALGOBIT
35859254 986 select I2C_SMBUS
1da177e4 987 help
f5b728a1
JD
988 This supports parallel port I2C adapters such as the ones made by
989 Philips or Velleman, Analog Devices evaluation boards, and more.
990 Basically any adapter using the parallel port as an I2C bus with
991 no extra chipset is supported by this driver, or could be.
1da177e4 992
f5b728a1
JD
993 This driver is a replacement for (and was inspired by) an older
994 driver named i2c-philips-par. The new driver supports more devices,
995 and makes it easier to add support for new devices.
1da177e4 996
f5b728a1
JD
997 An adapter type parameter is now mandatory. Please read the file
998 Documentation/i2c/busses/i2c-parport for details.
1da177e4 999
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JD
1000 Another driver exists, named i2c-parport-light, which doesn't depend
1001 on the parport driver. This is meant for embedded systems. Don't say
1002 Y here if you intend to say Y or M there.
1da177e4 1003
4c03f68f 1004 This support is also available as a module. If so, the module
f5b728a1 1005 will be called i2c-parport.
1da177e4 1006
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JD
1007config I2C_PARPORT_LIGHT
1008 tristate "Parallel port adapter (light)"
1009 select I2C_ALGOBIT
927ab2f8 1010 select I2C_SMBUS
1da177e4 1011 help
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JD
1012 This supports parallel port I2C adapters such as the ones made by
1013 Philips or Velleman, Analog Devices evaluation boards, and more.
1014 Basically any adapter using the parallel port as an I2C bus with
1015 no extra chipset is supported by this driver, or could be.
1da177e4 1016
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JD
1017 This driver is a light version of i2c-parport. It doesn't depend
1018 on the parport driver, and uses direct I/O access instead. This
1019 might be preferred on embedded systems where wasting memory for
1020 the clean but heavy parport handling is not an option. The
1021 drawback is a reduced portability and the impossibility to
1022 daisy-chain other parallel port devices.
1da177e4 1023
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JD
1024 Don't say Y here if you said Y or M to i2c-parport. Saying M to
1025 both is possible but both modules should not be loaded at the same
1026 time.
1da177e4 1027
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JD
1028 This support is also available as a module. If so, the module
1029 will be called i2c-parport-light.
1da177e4 1030
83e53a8f
AL
1031config I2C_ROBOTFUZZ_OSIF
1032 tristate "RobotFuzz Open Source InterFace USB adapter"
1033 depends on USB
1034 help
1035 If you say yes to this option, support will be included for the
1036 RobotFuzz Open Source InterFace USB to I2C interface.
1037
1038 This driver can also be built as a module. If so, the module
1039 will be called i2c-osif.
1040
b9cdad74
JD
1041config I2C_TAOS_EVM
1042 tristate "TAOS evaluation module"
21eaab6d 1043 depends on TTY
b9cdad74
JD
1044 select SERIO
1045 select SERIO_SERPORT
1046 default n
1047 help
1048 This supports TAOS evaluation modules on serial port. In order to
1049 use this driver, you will need the inputattach tool, which is part
1050 of the input-utils package.
1051
1052 If unsure, say N.
1053
1054 This support is also available as a module. If so, the module
1055 will be called i2c-taos-evm.
1056
e8c76eed 1057config I2C_TINY_USB
f5b728a1 1058 tristate "Tiny-USB adapter"
e8c76eed
TH
1059 depends on USB
1060 help
1061 If you say yes to this option, support will be included for the
1062 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1063 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1064
1065 This driver can also be built as a module. If so, the module
1066 will be called i2c-tiny-usb.
1067
174a13aa
LP
1068config I2C_VIPERBOARD
1069 tristate "Viperboard I2C master support"
1070 depends on MFD_VIPERBOARD && USB
1071 help
1072 Say yes here to access the I2C part of the Nano River
1073 Technologies Viperboard as I2C master.
1074 See viperboard API specification and Nano
1075 River Tech's viperboard.h for detailed meaning
1076 of the module parameters.
1077
f5b728a1 1078comment "Other I2C/SMBus bus drivers"
6b65cd74 1079
8d91cbad 1080config I2C_ACORN
2a9915c8 1081 tristate "Acorn IOC/IOMD I2C bus support"
16538e6b 1082 depends on ARCH_ACORN
8d91cbad
RK
1083 default y
1084 select I2C_ALGOBIT
1085 help
1086 Say yes if you want to support the I2C bus on Acorn platforms.
1087
1088 If you don't know, say Y.
1089
f5b728a1
JD
1090config I2C_ELEKTOR
1091 tristate "Elektor ISA card"
ce816fa8 1092 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
f5b728a1 1093 select I2C_ALGOPCF
1da177e4 1094 help
f5b728a1
JD
1095 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
1096 such an adapter.
1da177e4 1097
f5b728a1
JD
1098 This support is also available as a module. If so, the module
1099 will be called i2c-elektor.
1da177e4
LT
1100
1101config I2C_PCA_ISA
eff9ec95 1102 tristate "PCA9564/PCA9665 on an ISA bus"
16538e6b 1103 depends on ISA
1da177e4 1104 select I2C_ALGOPCA
aee62305 1105 default n
1da177e4 1106 help
eff9ec95 1107 This driver supports ISA boards using the Philips PCA9564/PCA9665
244fbbb8 1108 parallel bus to I2C bus controller.
4c03f68f 1109
1da177e4
LT
1110 This driver can also be built as a module. If so, the module
1111 will be called i2c-pca-isa.
1112
aee62305
JD
1113 This device is almost undetectable and using this driver on a
1114 system which doesn't have this device will result in long
1115 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1116 time). If unsure, say N.
1117
f5b728a1
JD
1118config I2C_SIBYTE
1119 tristate "SiByte SMBus interface"
1120 depends on SIBYTE_SB1xxx_SOC
a26c20b1 1121 help
f5b728a1 1122 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
a26c20b1 1123
9d230c9e
DA
1124config I2C_CROS_EC_TUNNEL
1125 tristate "ChromeOS EC tunnel I2C bus"
062476f2 1126 depends on CROS_EC_PROTO
9d230c9e
DA
1127 help
1128 If you say yes here you get an I2C bus that will tunnel i2c commands
1129 through to the other side of the ChromeOS EC to the i2c bus
1130 connected there. This will work whatever the interface used to
1131 talk to the EC (SPI, I2C or LPC).
1132
f6505fba
FK
1133config I2C_XGENE_SLIMPRO
1134 tristate "APM X-Gene SoC I2C SLIMpro devices support"
1135 depends on ARCH_XGENE && MAILBOX
1136 help
1137 Enable I2C bus access using the APM X-Gene SoC SLIMpro
1138 co-processor. The I2C device access the I2C bus via the X-Gene
1139 to SLIMpro (On chip coprocessor) mailbox mechanism.
1140 If unsure, say N.
1141
f5b728a1
JD
1142config SCx200_ACB
1143 tristate "Geode ACCESS.bus support"
1144 depends on X86_32 && PCI
1145 help
1146 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1147 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1148
1149 If you don't know what to do here, say N.
1150
1151 This support is also available as a module. If so, the module
1152 will be called scx200_acb.
da672773 1153
47083450
NG
1154config I2C_OPAL
1155 tristate "IBM OPAL I2C driver"
1156 depends on PPC_POWERNV
1157 default y
1158 help
1159 This exposes the PowerNV platform i2c busses to the linux i2c layer,
1160 the driver is based on the OPAL interfaces.
1161
1162 This driver can also be built as a module. If so, the module will be
1163 called as i2c-opal.
1164
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