Linux 4.9-rc2
[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
7b0ed334 94 select I2C_SMBUS
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95 help
96 If you say yes to this option, support will be included for the Intel
97 801 family of mainboard I2C interfaces. Specifically, the following
98 versions of the chipset are supported:
99 82801AA
100 82801AB
101 82801BA
102 82801CA/CAM
103 82801DB
104 82801EB/ER (ICH5/ICH5R)
105 6300ESB
106 ICH6
107 ICH7
b0a70b57 108 ESB2
8254fc4a 109 ICH8
adbc2a10 110 ICH9
cb04e95b 111 EP80579 (Tolapai)
d28dc711 112 ICH10
cb04e95b 113 5/3400 Series (PCH)
662cda8a 114 6 Series (PCH)
e30d9859 115 Patsburg (PCH)
662cda8a 116 DH89xxCC (PCH)
6e2a851e 117 Panther Point (PCH)
062737fb 118 Lynx Point (PCH)
4a8f1ddd 119 Lynx Point-LP (PCH)
c2db409c 120 Avoton (SOC)
a3fc0ff0 121 Wellsburg (PCH)
f39901c1 122 Coleto Creek (PCH)
b299de83 123 Wildcat Point (PCH)
afc65924 124 Wildcat Point-LP (PCH)
1b31e9b7 125 BayTrail (SOC)
3e27a844 126 Sunrise Point-H (PCH)
3eee1799 127 Sunrise Point-LP (PCH)
2b630df7
JN
128 DNV (SOC)
129 Broxton (SOC)
cdc5a311 130 Lewisburg (PCH)
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131
132 This driver can also be built as a module. If so, the module
133 will be called i2c-i801.
134
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135config I2C_ISCH
136 tristate "Intel SCH SMBus 1.0"
0244ad00 137 depends on PCI
fd46a006 138 select LPC_SCH
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139 help
140 Say Y here if you want to use SMBus controller on the Intel SCH
141 based systems.
142
143 This driver can also be built as a module. If so, the module
144 will be called i2c-isch.
145
13f35ac1
NH
146config I2C_ISMT
147 tristate "Intel iSMT SMBus Controller"
148 depends on PCI && X86
149 help
150 If you say yes to this option, support will be included for the Intel
151 iSMT SMBus host controller interface.
152
153 This driver can also be built as a module. If so, the module will be
154 called i2c-ismt.
155
1da177e4 156config I2C_PIIX4
76b3e28f 157 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
16538e6b 158 depends on PCI
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159 help
160 If you say yes to this option, support will be included for the Intel
161 PIIX4 family of mainboard I2C interfaces. Specifically, the following
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162 versions of the chipset are supported (note that Serverworks is part
163 of Broadcom):
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164 Intel PIIX4
165 Intel 440MX
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166 ATI IXP200
167 ATI IXP300
168 ATI IXP400
4e6697fc 169 ATI SB600
2a2f7404 170 ATI SB700/SP5100
60693e5a 171 ATI SB800
3806e94b 172 AMD Hudson-2
032f708b 173 AMD ML
b996ac90 174 AMD CZ
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175 Serverworks OSB4
176 Serverworks CSB5
177 Serverworks CSB6
5f7ea3c5 178 Serverworks HT-1000
506a8b6c 179 Serverworks HT-1100
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180 SMSC Victory66
181
2a2f7404
AA
182 Some AMD chipsets contain two PIIX4-compatible SMBus
183 controllers. This driver will attempt to use both controllers
184 on the SB700/SP5100, if they have been initialized by the BIOS.
185
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186 This driver can also be built as a module. If so, the module
187 will be called i2c-piix4.
188
1da177e4 189config I2C_NFORCE2
5d740fe9 190 tristate "Nvidia nForce2, nForce3 and nForce4"
16538e6b 191 depends on PCI
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192 help
193 If you say yes to this option, support will be included for the Nvidia
5d740fe9 194 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
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195
196 This driver can also be built as a module. If so, the module
197 will be called i2c-nforce2.
198
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199config I2C_NFORCE2_S4985
200 tristate "SMBus multiplexing on the Tyan S4985"
417e86ce 201 depends on I2C_NFORCE2 && X86
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202 help
203 Enabling this option will add specific SMBus support for the Tyan
204 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
205 over 4 different channels, where the various memory module EEPROMs
206 live. Saying yes here will give you access to these in addition
207 to the trunk.
208
209 This driver can also be built as a module. If so, the module
210 will be called i2c-nforce2-s4985.
211
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212config I2C_SIS5595
213 tristate "SiS 5595"
214 depends on PCI
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215 help
216 If you say yes to this option, support will be included for the
f5b728a1 217 SiS5595 SMBus (a subset of I2C) interface.
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218
219 This driver can also be built as a module. If so, the module
f5b728a1 220 will be called i2c-sis5595.
18f98b1e 221
f5b728a1 222config I2C_SIS630
974d6a37 223 tristate "SiS 630/730/964"
f5b728a1 224 depends on PCI
010d442c
KS
225 help
226 If you say yes to this option, support will be included for the
974d6a37 227 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
010d442c 228
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229 This driver can also be built as a module. If so, the module
230 will be called i2c-sis630.
231
232config I2C_SIS96X
233 tristate "SiS 96x"
234 depends on PCI
235 help
236 If you say yes to this option, support will be included for the SiS
237 96x SMBus (a subset of I2C) interfaces. Specifically, the following
238 chipsets are supported:
239 645/961
240 645DX/961
241 645DX/962
242 648/961
243 650/961
244 735
245 745
246
247 This driver can also be built as a module. If so, the module
248 will be called i2c-sis96x.
249
250config I2C_VIA
251 tristate "VIA VT82C586B"
417e86ce 252 depends on PCI
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253 select I2C_ALGOBIT
254 help
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255 If you say yes to this option, support will be included for the VIA
256 82C586B I2C interface
1da177e4 257
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258 This driver can also be built as a module. If so, the module
259 will be called i2c-via.
e97b81dd 260
f5b728a1 261config I2C_VIAPRO
01d56a6a 262 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
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263 depends on PCI
264 help
265 If you say yes to this option, support will be included for the VIA
266 VT82C596 and later SMBus interface. Specifically, the following
267 chipsets are supported:
268 VT82C596A/B
269 VT82C686A/B
270 VT8231
271 VT8233/A
272 VT8235
273 VT8237R/A/S
274 VT8251
275 CX700
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276 VX800/VX820
277 VX855/VX875
01d56a6a 278 VX900
e97b81dd 279
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280 This driver can also be built as a module. If so, the module
281 will be called i2c-viapro.
1da177e4 282
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283if ACPI
284
285comment "ACPI drivers"
286
287config I2C_SCMI
288 tristate "SMBus Control Method Interface"
289 help
290 This driver supports the SMBus Control Method Interface. It needs the
291 BIOS to declare ACPI control methods as described in the SMBus Control
292 Method Interface specification.
293
294 To compile this driver as a module, choose M here:
295 the module will be called i2c-scmi.
296
297endif # ACPI
298
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299comment "Mac SMBus host controller drivers"
300 depends on PPC_CHRP || PPC_PMAC
1da177e4 301
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302config I2C_HYDRA
303 tristate "CHRP Apple Hydra Mac I/O I2C interface"
417e86ce 304 depends on PCI && PPC_CHRP
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305 select I2C_ALGOBIT
306 help
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307 This supports the use of the I2C interface in the Apple Hydra Mac
308 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
309 have such a machine.
4c03f68f 310
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311 This support is also available as a module. If so, the module
312 will be called i2c-hydra.
313
314config I2C_POWERMAC
315 tristate "Powermac I2C interface"
316 depends on PPC_PMAC
317 default y
318 help
319 This exposes the various PowerMac i2c interfaces to the linux i2c
320 layer and to userland. It is used by various drivers on the PowerMac
321 platform, and should generally be enabled.
1da177e4 322
4c03f68f 323 This support is also available as a module. If so, the module
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324 will be called i2c-powermac.
325
326comment "I2C system bus drivers (mostly embedded / system-on-chip)"
327
328config I2C_AT91
329 tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
417e86ce 330 depends on ARCH_AT91
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331 help
332 This supports the use of the I2C interface on Atmel AT91
333 processors.
334
fac368a0
NV
335 A serious problem is that there is no documented way to issue
336 repeated START conditions for more than two messages, as needed
f5b728a1 337 to support combined I2C messages. Use the i2c-gpio driver
fac368a0
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338 unless your system can cope with this limitation.
339
340 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
341 don't have clock stretching in transmission mode. For that reason,
342 you can encounter underrun issues causing premature stop sendings if
343 the latency to fill the transmission register is too long. If you
344 are facing this situation, use the i2c-gpio driver.
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345
346config I2C_AU1550
809f36c6 347 tristate "Au1550/Au1200/Au1300 SMBus interface"
37663860 348 depends on MIPS_ALCHEMY
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349 help
350 If you say yes to this option, support will be included for the
809f36c6 351 Au1550/Au1200/Au1300 SMBus interface.
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352
353 This driver can also be built as a module. If so, the module
354 will be called i2c-au1550.
355
08678b85
AB
356config I2C_AXXIA
357 tristate "Axxia I2C controller"
358 depends on ARCH_AXXIA || COMPILE_TEST
359 default ARCH_AXXIA
360 help
361 Say yes if you want to support the I2C bus on Axxia platforms.
362
363 Please note that this controller is limited to transfers of maximum
364 255 bytes in length. Any attempt to to a larger transfer will return
365 an error.
366
f3b54b9a
SW
367config I2C_BCM2835
368 tristate "Broadcom BCM2835 I2C controller"
369 depends on ARCH_BCM2835
370 help
371 If you say yes to this option, support will be included for the
372 BCM2835 I2C controller.
373
374 If you don't know what to do here, say N.
375
376 This support is also available as a module. If so, the module
377 will be called i2c-bcm2835.
378
e6e5dd35
RJ
379config I2C_BCM_IPROC
380 tristate "Broadcom iProc I2C controller"
381 depends on ARCH_BCM_IPROC || COMPILE_TEST
382 default ARCH_BCM_IPROC
383 help
384 If you say yes to this option, support will be included for the
385 Broadcom iProc I2C controller.
386
387 If you don't know what to do here, say N.
388
93d17247
TK
389config I2C_BCM_KONA
390 tristate "BCM Kona I2C adapter"
391 depends on ARCH_BCM_MOBILE
392 default y
393 help
394 If you say yes to this option, support will be included for the
395 I2C interface on the Broadcom Kona family of processors.
396
f54619f2 397 If you do not need KONA I2C interface, say N.
93d17247 398
dd1aa252
KD
399config I2C_BRCMSTB
400 tristate "BRCM Settop I2C controller"
bcf358aa 401 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
dd1aa252
KD
402 default y
403 help
404 If you say yes to this option, support will be included for the
405 I2C interface on the Broadcom Settop SoCs.
406
407 If you do not need I2C interface, say N.
408
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409config I2C_BLACKFIN_TWI
410 tristate "Blackfin TWI I2C support"
411 depends on BLACKFIN
412 depends on !BF561 && !BF531 && !BF532 && !BF533
413 help
414 This is the I2C bus driver for Blackfin on-chip TWI interface.
415
416 This driver can also be built as a module. If so, the module
417 will be called i2c-bfin-twi.
418
419config I2C_BLACKFIN_TWI_CLK_KHZ
420 int "Blackfin TWI I2C clock (kHz)"
421 depends on I2C_BLACKFIN_TWI
9528d1c7 422 range 21 400
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423 default 50
424 help
425 The unit of the TWI clock is kHz.
426
df8eb569
SB
427config I2C_CADENCE
428 tristate "Cadence I2C Controller"
3924bac4 429 depends on ARCH_ZYNQ || ARM64
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SB
430 help
431 Say yes here to select Cadence I2C Host Controller. This controller is
432 e.g. used by Xilinx Zynq.
433
0857ba3c
AK
434config I2C_CBUS_GPIO
435 tristate "CBUS I2C driver"
7e5cd69a 436 depends on GPIOLIB || COMPILE_TEST
0857ba3c
AK
437 help
438 Support for CBUS access using I2C API. Mostly relevant for Nokia
439 Internet Tablets (770, N800 and N810).
440
441 This driver can also be built as a module. If so, the module
442 will be called i2c-cbus-gpio.
443
61045dbe
JF
444config I2C_CPM
445 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
62c19c9d 446 depends on CPM1 || CPM2
61045dbe
JF
447 help
448 This supports the use of the I2C interface on Freescale
449 processors with CPM1 or CPM2.
450
451 This driver can also be built as a module. If so, the module
452 will be called i2c-cpm.
453
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454config I2C_DAVINCI
455 tristate "DaVinci I2C driver"
d654b548 456 depends on ARCH_DAVINCI || ARCH_KEYSTONE
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457 help
458 Support for TI DaVinci I2C controller driver.
459
460 This driver can also be built as a module. If so, the module
461 will be called i2c-davinci.
462
463 Please note that this driver might be needed to bring up other
464 devices such as DaVinci NIC.
465 For details please see http://www.ti.com/davinci
466
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AL
467config I2C_DESIGNWARE_CORE
468 tristate
469
2373f6b9 470config I2C_DESIGNWARE_PLATFORM
6b2aac42 471 tristate "Synopsys DesignWare Platform"
e68bb91b 472 select I2C_DESIGNWARE_CORE
a445900c 473 depends on (ACPI && COMMON_CLK) || !ACPI
1ab52cf9
BS
474 help
475 If you say yes to this option, support will be included for the
476 Synopsys DesignWare I2C adapter. Only master mode is supported.
477
478 This driver can also be built as a module. If so, the module
2373f6b9 479 will be called i2c-designware-platform.
1ab52cf9 480
fe20ff5c
DB
481config I2C_DESIGNWARE_PCI
482 tristate "Synopsys DesignWare PCI"
483 depends on PCI
e68bb91b 484 select I2C_DESIGNWARE_CORE
fe20ff5c
DB
485 help
486 If you say yes to this option, support will be included for the
487 Synopsys DesignWare I2C adapter. Only master mode is supported.
488
489 This driver can also be built as a module. If so, the module
490 will be called i2c-designware-pci.
1ab52cf9 491
894acb2f
DB
492config I2C_DESIGNWARE_BAYTRAIL
493 bool "Intel Baytrail I2C semaphore support"
f41021bb
JN
494 depends on ACPI
495 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
496 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
894acb2f
DB
497 help
498 This driver enables managed host access to the PMIC I2C bus on select
499 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
500 the host to request uninterrupted access to the PMIC's I2C bus from
501 the platform firmware controlling it. You should say Y if running on
502 a BayTrail system using the AXP288.
503
4a7a0822
BS
504config I2C_DIGICOLOR
505 tristate "Conexant Digicolor I2C driver"
506 depends on ARCH_DIGICOLOR
507 help
508 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
509
510 This driver can also be built as a module. If so, the module
511 will be called i2c-digicolor.
512
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UKK
513config I2C_EFM32
514 tristate "EFM32 I2C controller"
515 depends on ARCH_EFM32 || COMPILE_TEST
516 help
517 This driver supports the i2c block found in Energy Micro's EFM32
518 SoCs.
519
3e1b76be
J
520config I2C_EG20T
521 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
7a852b02 522 depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
3e1b76be
J
523 help
524 This driver is for PCH(Platform controller Hub) I2C of EG20T which
525 is an IOH(Input/Output Hub) for x86 embedded processor.
526 This driver can access PCH I2C bus device.
527
528 This driver also can be used for LAPIS Semiconductor IOH(Input/
529 Output Hub), ML7213, ML7223 and ML7831.
530 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
531 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
532 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
533 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
534
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WS
535config I2C_EMEV2
536 tristate "EMMA Mobile series I2C adapter"
537 depends on HAVE_CLK
b7d518e6 538 select I2C_SLAVE
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WS
539 help
540 If you say yes to this option, support will be included for the
541 I2C interface on the Renesas Electronics EM/EV family of processors.
542
8a73cd4c
NKC
543config I2C_EXYNOS5
544 tristate "Exynos5 high-speed I2C driver"
2374a539 545 depends on ARCH_EXYNOS && OF
741d3589 546 default y
8a73cd4c 547 help
741d3589 548 High-speed I2C controller on Exynos5 based Samsung SoCs.
8a73cd4c 549
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550config I2C_GPIO
551 tristate "GPIO-based bitbanging I2C"
7e5cd69a 552 depends on GPIOLIB || COMPILE_TEST
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553 select I2C_ALGOBIT
554 help
555 This is a very simple bitbanging I2C driver utilizing the
556 arch-neutral GPIO API to control the SCL and SDA lines.
557
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PM
558config I2C_HIGHLANDER
559 tristate "Highlander FPGA SMBus interface"
560 depends on SH_HIGHLANDER
561 help
562 If you say yes to this option, support will be included for
563 the SMBus interface located in the FPGA on various Highlander
564 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
565 FPGAs. This is wholly unrelated to the SoC I2C.
566
567 This driver can also be built as a module. If so, the module
568 will be called i2c-highlander.
569
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570config I2C_IBM_IIC
571 tristate "IBM PPC 4xx on-chip I2C interface"
572 depends on 4xx
573 help
574 Say Y here if you want to use IIC peripheral found on
575 embedded IBM PPC 4xx based systems.
576
577 This driver can also be built as a module. If so, the module
578 will be called i2c-ibm_iic.
579
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JH
580config I2C_IMG
581 tristate "Imagination Technologies I2C SCB Controller"
06205206 582 depends on MIPS || METAG || COMPILE_TEST
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JH
583 help
584 Say Y here if you want to use the IMG I2C SCB controller,
06205206 585 available on the TZ1090 and other IMG SoCs.
27bce457
JH
586
587 This driver can also be built as a module. If so, the module
588 will be called i2c-img-scb.
589
aa11e38c
DA
590config I2C_IMX
591 tristate "IMX I2C interface"
fa721bae 592 depends on ARCH_MXC || ARCH_LAYERSCAPE
aa11e38c
DA
593 help
594 Say Y here if you want to use the IIC bus controller on
fa721bae 595 the Freescale i.MX/MXC or Layerscape processors.
aa11e38c
DA
596
597 This driver can also be built as a module. If so, the module
598 will be called i2c-imx.
599
f5b728a1
JD
600config I2C_IOP3XX
601 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
602 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
603 help
604 Say Y here if you want to use the IIC bus controller on
605 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
606
607 This driver can also be built as a module. If so, the module
608 will be called i2c-iop3xx.
609
ba92222e
ZLK
610config I2C_JZ4780
611 tristate "JZ4780 I2C controller interface support"
612 depends on MACH_JZ4780 || COMPILE_TEST
613 help
614 If you say yes to this option, support will be included for the
615 Ingenic JZ4780 I2C controller.
616
617 If you don't know what to do here, say N.
618
e0b9b7b0
KS
619config I2C_KEMPLD
620 tristate "Kontron COM I2C Controller"
621 depends on MFD_KEMPLD
622 help
623 This enables support for the I2C bus interface on some Kontron ETX
624 and COMexpress (ETXexpress) modules.
625
626 This driver can also be built as a module. If so, the module
627 will be called i2c-kempld.
628
3f9c37a0
JE
629config I2C_LPC2K
630 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
631 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
632 help
633 This driver supports the I2C interface found several NXP
634 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
635
636 This driver can also be built as a module. If so, the module
637 will be called i2c-lpc2k.
638
30021e37
BG
639config I2C_MESON
640 tristate "Amlogic Meson I2C controller"
91401783 641 depends on ARCH_MESON || COMPILE_TEST
30021e37
BG
642 help
643 If you say yes to this option, support will be included for the
644 I2C interface on the Amlogic Meson family of SoCs.
645
f5b728a1 646config I2C_MPC
f00d738f 647 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
0724d464 648 depends on PPC
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JD
649 help
650 If you say yes to this option, support will be included for the
f00d738f
WG
651 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
652 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
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JD
653
654 This driver can also be built as a module. If so, the module
655 will be called i2c-mpc.
656
ce38815d
XC
657config I2C_MT65XX
658 tristate "MediaTek I2C adapter"
659 depends on ARCH_MEDIATEK || COMPILE_TEST
fc0a1f03 660 depends on HAS_DMA
ce38815d
XC
661 help
662 This selects the MediaTek(R) Integrated Inter Circuit bus driver
663 for MT65xx and MT81xx.
664 If you want to use MediaTek(R) I2C interface, say Y or M here.
665 If unsure, say N.
666
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JD
667config I2C_MV64XXX
668 tristate "Marvell mv64xxx I2C Controller"
05872b80 669 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
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JD
670 help
671 If you say yes to this option, support will be included for the
672 built-in I2C interface on the Marvell 64xxx line of host bridges.
3d66ac7d 673 This driver is also used for Allwinner SoCs I2C controllers.
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JD
674
675 This driver can also be built as a module. If so, the module
676 will be called i2c-mv64xxx.
677
a8da7fec
WS
678config I2C_MXS
679 tristate "Freescale i.MX28 I2C interface"
680 depends on SOC_IMX28
6b866c15 681 select STMP_DEVICE
a8da7fec
WS
682 help
683 Say Y here if you want to use the I2C bus controller on
684 the Freescale i.MX28 processors.
685
686 This driver can also be built as a module. If so, the module
687 will be called i2c-mxs.
688
3f9900f1 689config I2C_NOMADIK
690 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
419408ed 691 depends on ARM_AMBA
3f9900f1 692 help
693 If you say yes to this option, support will be included for the
419408ed
AR
694 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
695 as well as the STA2X11 PCIe I/O HUB.
3f9900f1 696
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JD
697config I2C_OCORES
698 tristate "OpenCores I2C Controller"
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JD
699 help
700 If you say yes to this option, support will be included for the
701 OpenCores I2C controller. For details see
702 http://www.opencores.org/projects.cgi/web/i2c/overview
703
704 This driver can also be built as a module. If so, the module
705 will be called i2c-ocores.
706
707config I2C_OMAP
708 tristate "OMAP I2C adapter"
709 depends on ARCH_OMAP
710 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
711 help
712 If you say yes to this option, support will be included for the
713 I2C interface on the Texas Instruments OMAP1/2 family of processors.
714 Like OMAP1510/1610/1710/5912 and OMAP242x.
715 For details see http://www.ti.com/omap.
1da177e4 716
beb58aa3
OJ
717config I2C_PASEMI
718 tristate "PA Semi SMBus interface"
16538e6b 719 depends on PPC_PASEMI && PCI
beb58aa3
OJ
720 help
721 Supports the PA Semi PWRficient on-chip SMBus interfaces.
722
35bfc353
WS
723config I2C_PCA_PLATFORM
724 tristate "PCA9564/PCA9665 as platform device"
725 select I2C_ALGOPCA
726 default n
727 help
728 This driver supports a memory mapped Philips PCA9564/PCA9665
729 parallel bus to I2C bus controller.
730
731 This driver can also be built as a module. If so, the module
732 will be called i2c-pca-platform.
733
734config I2C_PMCMSP
735 tristate "PMC MSP I2C TWI Controller"
736 depends on PMC_MSP
737 help
738 This driver supports the PMC TWI controller on MSP devices.
739
740 This driver can also be built as module. If so, the module
741 will be called i2c-pmcmsp.
742
f5b728a1 743config I2C_PNX
c115167a 744 tristate "I2C bus support for Philips PNX and NXP LPC targets"
d684f05f 745 depends on ARCH_LPC32XX
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JD
746 help
747 This driver supports the Philips IP3204 I2C IP block master and/or
748 slave controller
749
750 This driver can also be built as a module. If so, the module
751 will be called i2c-pnx.
752
d10e4a66
G
753config I2C_PUV3
754 tristate "PKUnity v3 I2C bus support"
755 depends on UNICORE32 && ARCH_PUV3
756 select I2C_ALGOBIT
757 help
758 This driver supports the I2C IP inside the PKUnity-v3 SoC.
759 This I2C bus controller is under AMBA/AXI bus.
760
761 This driver can also be built as a module. If so, the module
762 will be called i2c-puv3.
763
f5b728a1 764config I2C_PXA
d7c46ddd 765 tristate "Intel PXA2XX I2C adapter"
7e94dd15 766 depends on ARCH_PXA || ARCH_MMP || (X86_32 && PCI && OF)
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JD
767 help
768 If you have devices in the PXA I2C bus, say yes to this option.
769 This driver can also be built as a module. If so, the module
770 will be called i2c-pxa.
771
7e94dd15
SAS
772config I2C_PXA_PCI
773 def_bool I2C_PXA && X86_32 && PCI && OF
774
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JD
775config I2C_PXA_SLAVE
776 bool "Intel PXA2XX I2C Slave comms support"
7e94dd15 777 depends on I2C_PXA && !X86_32
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JD
778 help
779 Support I2C slave mode communications on the PXA I2C bus. This
780 is necessary for systems where the PXA may be a target on the
781 I2C bus.
782
10c5a842
BA
783config I2C_QUP
784 tristate "Qualcomm QUP based I2C controller"
785 depends on ARCH_QCOM
786 help
787 If you say yes to this option, support will be included for the
788 built-in I2C interface on the Qualcomm SoCs.
789
790 This driver can also be built as a module. If so, the module
791 will be called i2c-qup.
792
310c18a4
WS
793config I2C_RIIC
794 tristate "Renesas RIIC adapter"
07316149 795 depends on ARCH_RENESAS || COMPILE_TEST
310c18a4
WS
796 help
797 If you say yes to this option, support will be included for the
798 Renesas RIIC I2C interface.
799
800 This driver can also be built as a module. If so, the module
801 will be called i2c-riic.
802
c41aa3ce
MS
803config I2C_RK3X
804 tristate "Rockchip RK3xxx I2C adapter"
80f1774f 805 depends on OF && COMMON_CLK
c41aa3ce
MS
806 help
807 Say Y here to include support for the I2C adapter in Rockchip RK3xxx
808 SoCs.
809
810 This driver can also be built as a module. If so, the module will
811 be called i2c-rk3x.
812
4b623926
NKC
813config HAVE_S3C2410_I2C
814 bool
815 help
816 This will include I2C support for Samsung SoCs. If you want to
817 include I2C support for any machine, kindly select this in the
818 respective Kconfig file.
819
1da177e4
LT
820config I2C_S3C2410
821 tristate "S3C2410 I2C Driver"
4b623926 822 depends on HAVE_S3C2410_I2C
1da177e4
LT
823 help
824 Say Y here to include support for I2C controller in the
4b623926 825 Samsung SoCs.
1da177e4 826
f5b728a1
JD
827config I2C_SH7760
828 tristate "Renesas SH7760 I2C Controller"
829 depends on CPU_SUBTYPE_SH7760
1da177e4 830 help
f5b728a1
JD
831 This driver supports the 2 I2C interfaces on the Renesas SH7760.
832
833 This driver can also be built as a module. If so, the module
834 will be called i2c-sh7760.
835
836config I2C_SH_MOBILE
837 tristate "SuperH Mobile I2C Controller"
f16ea4f0 838 depends on HAS_DMA
17f80487 839 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
f5b728a1
JD
840 help
841 If you say yes to this option, support will be included for the
842 built-in I2C interface on the Renesas SH-Mobile processor.
843
844 This driver can also be built as a module. If so, the module
845 will be called i2c-sh_mobile.
1da177e4 846
bcda9f1e
BD
847config I2C_SIMTEC
848 tristate "Simtec Generic I2C interface"
849 select I2C_ALGOBIT
850 help
01dd2fbf 851 If you say yes to this option, support will be included for
bcda9f1e
BD
852 the Simtec Generic I2C interface. This driver is for the
853 simple I2C bus used on newer Simtec products for general
854 I2C, such as DDC on the Simtec BBD2016A.
855
01dd2fbf 856 This driver can also be built as a module. If so, the module
bcda9f1e
BD
857 will be called i2c-simtec.
858
979b907f
ZS
859config I2C_SIRF
860 tristate "CSR SiRFprimaII I2C interface"
c5dece37 861 depends on ARCH_SIRF
979b907f
ZS
862 help
863 If you say yes to this option, support will be included for the
864 CSR SiRFprimaII I2C interface.
865
866 This driver can also be built as a module. If so, the module
867 will be called i2c-sirf.
868
85b4fab2
MC
869config I2C_ST
870 tristate "STMicroelectronics SSC I2C support"
871 depends on ARCH_STI
872 help
873 Enable this option to add support for STMicroelectronics SoCs
874 hardware SSC (Synchronous Serial Controller) as an I2C controller.
875
876 This driver can also be built as module. If so, the module
877 will be called i2c-st.
878
18904c0e
LW
879config I2C_STU300
880 tristate "ST Microelectronics DDC I2C interface"
4eaad8ad 881 depends on MACH_U300
18904c0e
LW
882 default y if MACH_U300
883 help
884 If you say yes to this option, support will be included for the
885 I2C interface from ST Microelectronics simply called "DDC I2C"
886 supporting both I2C and DDC, used in e.g. the U300 series
887 mobile platforms.
888
889 This driver can also be built as a module. If so, the module
890 will be called i2c-stu300.
891
3e833490
BB
892config I2C_SUN6I_P2WI
893 tristate "Allwinner sun6i internal P2WI controller"
894 depends on RESET_CONTROLLER
895 depends on MACH_SUN6I || COMPILE_TEST
896 help
897 If you say yes to this option, support will be included for the
898 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
899 SOCs.
900 The P2WI looks like an SMBus controller (which supports only byte
901 accesses), except that it only supports one slave device.
902 This interface is used to connect to specific PMIC devices (like the
903 AXP221).
904
db811ca0
CC
905config I2C_TEGRA
906 tristate "NVIDIA Tegra internal I2C controller"
907 depends on ARCH_TEGRA
908 help
909 If you say yes to this option, support will be included for the
910 I2C controller embedded in NVIDIA Tegra SOCs
911
dd6fd4a3
MY
912config I2C_UNIPHIER
913 tristate "UniPhier FIFO-less I2C controller"
61c18aeb 914 depends on ARCH_UNIPHIER || COMPILE_TEST
dd6fd4a3
MY
915 help
916 If you say yes to this option, support will be included for
917 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
918 or older UniPhier SoCs.
919
6a62974b
MY
920config I2C_UNIPHIER_F
921 tristate "UniPhier FIFO-builtin I2C controller"
61c18aeb 922 depends on ARCH_UNIPHIER || COMPILE_TEST
6a62974b
MY
923 help
924 If you say yes to this option, support will be included for
925 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
926 PH1-Pro5, or newer UniPhier SoCs.
927
f5b728a1
JD
928config I2C_VERSATILE
929 tristate "ARM Versatile/Realview I2C bus support"
9f6db9bf 930 depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1da177e4
LT
931 select I2C_ALGOBIT
932 help
f5b728a1
JD
933 Say yes if you want to support the I2C serial bus on ARMs Versatile
934 range of platforms.
1da177e4 935
f5b728a1
JD
936 This driver can also be built as a module. If so, the module
937 will be called i2c-versatile.
1da177e4 938
560746eb
TP
939config I2C_WMT
940 tristate "Wondermedia WM8xxx SoC I2C bus support"
941 depends on ARCH_VT8500
942 help
943 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
944 SoCs.
945
946 This driver can also be built as a module. If so, the module will be
947 called i2c-wmt.
948
85660f43
RB
949config I2C_OCTEON
950 tristate "Cavium OCTEON I2C bus support"
9ddebc46 951 depends on CAVIUM_OCTEON_SOC
85660f43
RB
952 help
953 Say yes if you want to support the I2C serial bus on Cavium
954 OCTEON SOC.
955
956 This driver can also be built as a module. If so, the module
957 will be called i2c-octeon.
958
22d40209
JG
959config I2C_THUNDERX
960 tristate "Cavium ThunderX I2C bus support"
961 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1e586671 962 select I2C_SMBUS
22d40209
JG
963 help
964 Say yes if you want to support the I2C serial bus on Cavium
965 ThunderX SOC.
966
967 This driver can also be built as a module. If so, the module
968 will be called i2c-thunderx.
969
e1d5b659
RR
970config I2C_XILINX
971 tristate "Xilinx I2C Controller"
417e86ce 972 depends on HAS_IOMEM
e1d5b659
RR
973 help
974 If you say yes to this option, support will be included for the
975 Xilinx I2C controller.
976
977 This driver can also be built as a module. If so, the module
978 will be called xilinx_i2c.
979
401c3434 980config I2C_XLR
75d31c23 981 tristate "Netlogic XLR and Sigma Designs I2C support"
e3879e4f 982 depends on CPU_XLR || ARCH_TANGO
401c3434
GR
983 help
984 This driver enables support for the on-chip I2C interface of
75d31c23 985 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
401c3434
GR
986
987 This driver can also be built as a module. If so, the module
988 will be called i2c-xlr.
989
2bbd681b
SSB
990config I2C_XLP9XX
991 tristate "XLP9XX I2C support"
8574ad78 992 depends on CPU_XLP || ARCH_VULCAN || COMPILE_TEST
2bbd681b
SSB
993 help
994 This driver enables support for the on-chip I2C interface of
8574ad78 995 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
2bbd681b
SSB
996
997 This driver can also be built as a module. If so, the module will
998 be called i2c-xlp9xx.
999
6ccbe607
KM
1000config I2C_RCAR
1001 tristate "Renesas R-Car I2C Controller"
79439d83 1002 depends on HAS_DMA
07316149 1003 depends on ARCH_RENESAS || COMPILE_TEST
d5fd120e 1004 select I2C_SLAVE
6ccbe607
KM
1005 help
1006 If you say yes to this option, support will be included for the
1007 R-Car I2C controller.
1008
1009 This driver can also be built as a module. If so, the module
1010 will be called i2c-rcar.
1011
f5b728a1 1012comment "External I2C/SMBus adapter drivers"
11de70bd 1013
335d7c58
GR
1014config I2C_DIOLAN_U2C
1015 tristate "Diolan U2C-12 USB adapter"
1016 depends on USB
1017 help
1018 If you say yes to this option, support will be included for Diolan
1019 U2C-12, a USB to I2C interface.
1020
1021 This driver can also be built as a module. If so, the module
1022 will be called i2c-diolan-u2c.
1023
db23e500
LP
1024config I2C_DLN2
1025 tristate "Diolan DLN-2 USB I2C adapter"
1026 depends on MFD_DLN2
1027 help
1028 If you say yes to this option, support will be included for Diolan
1029 DLN2, a USB to I2C interface.
1030
1031 This driver can also be built as a module. If so, the module
1032 will be called i2c-dln2.
1033
f5b728a1
JD
1034config I2C_PARPORT
1035 tristate "Parallel port adapter"
0244ad00 1036 depends on PARPORT
f5b728a1 1037 select I2C_ALGOBIT
35859254 1038 select I2C_SMBUS
1da177e4 1039 help
f5b728a1
JD
1040 This supports parallel port I2C adapters such as the ones made by
1041 Philips or Velleman, Analog Devices evaluation boards, and more.
1042 Basically any adapter using the parallel port as an I2C bus with
1043 no extra chipset is supported by this driver, or could be.
1da177e4 1044
f5b728a1
JD
1045 This driver is a replacement for (and was inspired by) an older
1046 driver named i2c-philips-par. The new driver supports more devices,
1047 and makes it easier to add support for new devices.
1da177e4 1048
f5b728a1
JD
1049 An adapter type parameter is now mandatory. Please read the file
1050 Documentation/i2c/busses/i2c-parport for details.
1da177e4 1051
f5b728a1
JD
1052 Another driver exists, named i2c-parport-light, which doesn't depend
1053 on the parport driver. This is meant for embedded systems. Don't say
1054 Y here if you intend to say Y or M there.
1da177e4 1055
4c03f68f 1056 This support is also available as a module. If so, the module
f5b728a1 1057 will be called i2c-parport.
1da177e4 1058
f5b728a1
JD
1059config I2C_PARPORT_LIGHT
1060 tristate "Parallel port adapter (light)"
1061 select I2C_ALGOBIT
927ab2f8 1062 select I2C_SMBUS
1da177e4 1063 help
f5b728a1
JD
1064 This supports parallel port I2C adapters such as the ones made by
1065 Philips or Velleman, Analog Devices evaluation boards, and more.
1066 Basically any adapter using the parallel port as an I2C bus with
1067 no extra chipset is supported by this driver, or could be.
1da177e4 1068
f5b728a1
JD
1069 This driver is a light version of i2c-parport. It doesn't depend
1070 on the parport driver, and uses direct I/O access instead. This
1071 might be preferred on embedded systems where wasting memory for
1072 the clean but heavy parport handling is not an option. The
1073 drawback is a reduced portability and the impossibility to
1074 daisy-chain other parallel port devices.
1da177e4 1075
f5b728a1
JD
1076 Don't say Y here if you said Y or M to i2c-parport. Saying M to
1077 both is possible but both modules should not be loaded at the same
1078 time.
1da177e4 1079
f5b728a1
JD
1080 This support is also available as a module. If so, the module
1081 will be called i2c-parport-light.
1da177e4 1082
83e53a8f
AL
1083config I2C_ROBOTFUZZ_OSIF
1084 tristate "RobotFuzz Open Source InterFace USB adapter"
1085 depends on USB
1086 help
1087 If you say yes to this option, support will be included for the
1088 RobotFuzz Open Source InterFace USB to I2C interface.
1089
1090 This driver can also be built as a module. If so, the module
1091 will be called i2c-osif.
1092
b9cdad74
JD
1093config I2C_TAOS_EVM
1094 tristate "TAOS evaluation module"
21eaab6d 1095 depends on TTY
b9cdad74
JD
1096 select SERIO
1097 select SERIO_SERPORT
1098 default n
1099 help
1100 This supports TAOS evaluation modules on serial port. In order to
1101 use this driver, you will need the inputattach tool, which is part
1102 of the input-utils package.
1103
1104 If unsure, say N.
1105
1106 This support is also available as a module. If so, the module
1107 will be called i2c-taos-evm.
1108
e8c76eed 1109config I2C_TINY_USB
f5b728a1 1110 tristate "Tiny-USB adapter"
e8c76eed
TH
1111 depends on USB
1112 help
1113 If you say yes to this option, support will be included for the
1114 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1115 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1116
1117 This driver can also be built as a module. If so, the module
1118 will be called i2c-tiny-usb.
1119
174a13aa
LP
1120config I2C_VIPERBOARD
1121 tristate "Viperboard I2C master support"
1122 depends on MFD_VIPERBOARD && USB
1123 help
1124 Say yes here to access the I2C part of the Nano River
1125 Technologies Viperboard as I2C master.
1126 See viperboard API specification and Nano
1127 River Tech's viperboard.h for detailed meaning
1128 of the module parameters.
1129
f5b728a1 1130comment "Other I2C/SMBus bus drivers"
6b65cd74 1131
8d91cbad 1132config I2C_ACORN
2a9915c8 1133 tristate "Acorn IOC/IOMD I2C bus support"
16538e6b 1134 depends on ARCH_ACORN
8d91cbad
RK
1135 default y
1136 select I2C_ALGOBIT
1137 help
1138 Say yes if you want to support the I2C bus on Acorn platforms.
1139
1140 If you don't know, say Y.
1141
f5b728a1
JD
1142config I2C_ELEKTOR
1143 tristate "Elektor ISA card"
ce816fa8 1144 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
f5b728a1 1145 select I2C_ALGOPCF
1da177e4 1146 help
f5b728a1
JD
1147 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
1148 such an adapter.
1da177e4 1149
f5b728a1
JD
1150 This support is also available as a module. If so, the module
1151 will be called i2c-elektor.
1da177e4
LT
1152
1153config I2C_PCA_ISA
eff9ec95 1154 tristate "PCA9564/PCA9665 on an ISA bus"
16538e6b 1155 depends on ISA
1da177e4 1156 select I2C_ALGOPCA
aee62305 1157 default n
1da177e4 1158 help
eff9ec95 1159 This driver supports ISA boards using the Philips PCA9564/PCA9665
244fbbb8 1160 parallel bus to I2C bus controller.
4c03f68f 1161
1da177e4
LT
1162 This driver can also be built as a module. If so, the module
1163 will be called i2c-pca-isa.
1164
aee62305
JD
1165 This device is almost undetectable and using this driver on a
1166 system which doesn't have this device will result in long
1167 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1168 time). If unsure, say N.
1169
f5b728a1
JD
1170config I2C_SIBYTE
1171 tristate "SiByte SMBus interface"
1172 depends on SIBYTE_SB1xxx_SOC
a26c20b1 1173 help
f5b728a1 1174 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
a26c20b1 1175
9d230c9e
DA
1176config I2C_CROS_EC_TUNNEL
1177 tristate "ChromeOS EC tunnel I2C bus"
480b141a 1178 depends on MFD_CROS_EC
9d230c9e
DA
1179 help
1180 If you say yes here you get an I2C bus that will tunnel i2c commands
1181 through to the other side of the ChromeOS EC to the i2c bus
1182 connected there. This will work whatever the interface used to
1183 talk to the EC (SPI, I2C or LPC).
1184
f6505fba
FK
1185config I2C_XGENE_SLIMPRO
1186 tristate "APM X-Gene SoC I2C SLIMpro devices support"
1187 depends on ARCH_XGENE && MAILBOX
1188 help
1189 Enable I2C bus access using the APM X-Gene SoC SLIMpro
1190 co-processor. The I2C device access the I2C bus via the X-Gene
1191 to SLIMpro (On chip coprocessor) mailbox mechanism.
1192 If unsure, say N.
1193
f5b728a1
JD
1194config SCx200_ACB
1195 tristate "Geode ACCESS.bus support"
1196 depends on X86_32 && PCI
1197 help
1198 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1199 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1200
1201 If you don't know what to do here, say N.
1202
1203 This support is also available as a module. If so, the module
1204 will be called scx200_acb.
da672773 1205
47083450
NG
1206config I2C_OPAL
1207 tristate "IBM OPAL I2C driver"
1208 depends on PPC_POWERNV
1209 default y
1210 help
1211 This exposes the PowerNV platform i2c busses to the linux i2c layer,
1212 the driver is based on the OPAL interfaces.
1213
1214 This driver can also be built as a module. If so, the module will be
1215 called as i2c-opal.
1216
1da177e4 1217endmenu