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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# Sensor device configuration
3#
4
5menu "I2C Hardware Bus support"
Peter Huewe3ddb59d2012-10-05 22:23:52 +02006 depends on HAS_IOMEM
Linus Torvalds1da177e2005-04-16 15:20:36 -07007
Jean Delvaref5b728a2008-07-14 22:38:23 +02008comment "PC SMBus host controller drivers"
9 depends on PCI
10
Linus Torvalds1da177e2005-04-16 15:20:36 -070011config I2C_ALI1535
12 tristate "ALI 1535"
Jan Engelhardt16538e62007-05-01 23:26:34 +020013 depends on PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -070014 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"
Kees Cook417e86c2013-01-16 18:53:37 -080025 depends on PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -070026 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"
Jan Engelhardt16538e62007-05-01 23:26:34 +020037 depends on PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 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"
Jan Engelhardt16538e62007-05-01 23:26:34 +020047 depends on PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -070048 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"
Kees Cook417e86c2013-01-16 18:53:37 -080059 depends on I2C_AMD756 && X86
Linus Torvalds1da177e2005-04-16 15:20:36 -070060 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"
Jan Engelhardt16538e62007-05-01 23:26:34 +020072 depends on PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -070073 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
Wei Yan15ef2772014-10-07 09:04:12 +080080config I2C_HIX5HD2
81 tristate "Hix5hd2 high-speed I2C driver"
Ruqiang Juae824f02016-10-24 16:39:49 +080082 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
Wei Yan15ef2772014-10-07 09:04:12 +080083 help
Ruqiang Juae824f02016-10-24 16:39:49 +080084 Say Y here to include support for the high-speed I2C controller
85 used in HiSilicon hix5hd2 SoCs.
Wei Yan15ef2772014-10-07 09:04:12 +080086
Ruqiang Juae824f02016-10-24 16:39:49 +080087 This driver can also be built as a module. If so, the module
Wei Yan15ef2772014-10-07 09:04:12 +080088 will be called i2c-hix5hd2.
89
Jean Delvaref5b728a2008-07-14 22:38:23 +020090config I2C_I801
Seth Heasley39376432010-03-02 12:23:39 +010091 tristate "Intel 82801 (ICH/PCH)"
Jean Delvaref5b728a2008-07-14 22:38:23 +020092 depends on PCI
Jean Delvare8eacfce2011-05-24 20:58:49 +020093 select CHECK_SIGNATURE if X86 && DMI
Benjamin Tissoires7b0ed332016-06-24 16:39:49 +020094 select I2C_SMBUS
Jean Delvaref5b728a2008-07-14 22:38:23 +020095 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
108 ESB2
109 ICH8
110 ICH9
Seth Heasleycb04e952010-10-04 13:27:14 -0700111 EP80579 (Tolapai)
Jean Delvaref5b728a2008-07-14 22:38:23 +0200112 ICH10
Seth Heasleycb04e952010-10-04 13:27:14 -0700113 5/3400 Series (PCH)
Seth Heasley662cda82011-03-20 14:50:53 +0100114 6 Series (PCH)
Seth Heasleye30d9852010-10-31 21:06:59 +0100115 Patsburg (PCH)
Seth Heasley662cda82011-03-20 14:50:53 +0100116 DH89xxCC (PCH)
Seth Heasley6e2a8512011-05-24 20:58:49 +0200117 Panther Point (PCH)
Seth Heasley062737f2012-03-26 21:47:19 +0200118 Lynx Point (PCH)
James Ralston4a8f1dd2012-09-10 10:14:02 +0200119 Lynx Point-LP (PCH)
Seth Heasleyc2db409c2013-01-30 15:25:32 +0000120 Avoton (SOC)
James Ralstona3fc0ff2013-02-14 09:15:33 +0000121 Wellsburg (PCH)
Seth Heasleyf39901c2013-06-19 16:59:57 -0700122 Coleto Creek (PCH)
Jean Delvareb299de82014-07-17 15:04:41 +0200123 Wildcat Point (PCH)
James Ralstonafc65922013-11-04 09:29:48 -0800124 Wildcat Point-LP (PCH)
Chew, Kean ho1b31e9b2014-03-01 00:03:56 +0800125 BayTrail (SOC)
james.d.ralston@intel.com3e27a842014-10-13 15:20:24 -0700126 Sunrise Point-H (PCH)
Devin Ryles3eee17992014-11-05 16:30:03 -0500127 Sunrise Point-LP (PCH)
Jarkko Nikula2b630df72015-10-26 13:26:56 +0200128 DNV (SOC)
129 Broxton (SOC)
Alexandra Yatescdc5a312015-11-05 11:40:25 -0800130 Lewisburg (PCH)
Mika Westerberg9827f9e2017-02-01 19:20:59 +0300131 Gemini Lake (SOC)
Srinivas Pandruvada09a1de02017-05-18 11:23:06 +0300132 Cannon Lake-H (PCH)
133 Cannon Lake-LP (PCH)
Jean Delvaref5b728a2008-07-14 22:38:23 +0200134
135 This driver can also be built as a module. If so, the module
136 will be called i2c-i801.
137
Alek Du5bc12002008-07-14 22:38:27 +0200138config I2C_ISCH
139 tristate "Intel SCH SMBus 1.0"
Martin Schwidefsky0244ad02013-08-30 09:39:53 +0200140 depends on PCI
Denis Turischevfd46a002010-03-01 18:59:55 +0200141 select LPC_SCH
Alek Du5bc12002008-07-14 22:38:27 +0200142 help
143 Say Y here if you want to use SMBus controller on the Intel SCH
144 based systems.
145
146 This driver can also be built as a module. If so, the module
147 will be called i2c-isch.
148
Neil Horman13f35ac2013-02-04 14:54:10 -0500149config I2C_ISMT
150 tristate "Intel iSMT SMBus Controller"
151 depends on PCI && X86
152 help
153 If you say yes to this option, support will be included for the Intel
154 iSMT SMBus host controller interface.
155
156 This driver can also be built as a module. If so, the module will be
157 called i2c-ismt.
158
Jean Delvaref5b728a2008-07-14 22:38:23 +0200159config I2C_PIIX4
Crane Cai76b3e282009-09-18 22:45:50 +0200160 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
Jean Delvaref5b728a2008-07-14 22:38:23 +0200161 depends on PCI
162 help
163 If you say yes to this option, support will be included for the Intel
164 PIIX4 family of mainboard I2C interfaces. Specifically, the following
165 versions of the chipset are supported (note that Serverworks is part
166 of Broadcom):
167 Intel PIIX4
168 Intel 440MX
169 ATI IXP200
170 ATI IXP300
171 ATI IXP400
172 ATI SB600
Andrew Armenia2a2f7402012-07-24 14:13:57 +0200173 ATI SB700/SP5100
Jean Delvaref5b728a2008-07-14 22:38:23 +0200174 ATI SB800
Crane Cai3806e94b2009-11-07 13:10:46 +0100175 AMD Hudson-2
Shane Huang032f7082014-01-22 14:05:46 -0800176 AMD ML
Shane Huangb996ac92013-06-03 18:24:55 +0800177 AMD CZ
Jean Delvaref5b728a2008-07-14 22:38:23 +0200178 Serverworks OSB4
179 Serverworks CSB5
180 Serverworks CSB6
181 Serverworks HT-1000
Flavio Leitner506a8b62009-03-28 21:34:46 +0100182 Serverworks HT-1100
Jean Delvaref5b728a2008-07-14 22:38:23 +0200183 SMSC Victory66
184
Andrew Armenia2a2f7402012-07-24 14:13:57 +0200185 Some AMD chipsets contain two PIIX4-compatible SMBus
186 controllers. This driver will attempt to use both controllers
187 on the SB700/SP5100, if they have been initialized by the BIOS.
188
Jean Delvaref5b728a2008-07-14 22:38:23 +0200189 This driver can also be built as a module. If so, the module
190 will be called i2c-piix4.
191
192config I2C_NFORCE2
193 tristate "Nvidia nForce2, nForce3 and nForce4"
194 depends on PCI
195 help
196 If you say yes to this option, support will be included for the Nvidia
197 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
198
199 This driver can also be built as a module. If so, the module
200 will be called i2c-nforce2.
201
202config I2C_NFORCE2_S4985
203 tristate "SMBus multiplexing on the Tyan S4985"
Kees Cook417e86c2013-01-16 18:53:37 -0800204 depends on I2C_NFORCE2 && X86
Jean Delvaref5b728a2008-07-14 22:38:23 +0200205 help
206 Enabling this option will add specific SMBus support for the Tyan
207 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
208 over 4 different channels, where the various memory module EEPROMs
209 live. Saying yes here will give you access to these in addition
210 to the trunk.
211
212 This driver can also be built as a module. If so, the module
213 will be called i2c-nforce2-s4985.
214
215config I2C_SIS5595
216 tristate "SiS 5595"
217 depends on PCI
218 help
219 If you say yes to this option, support will be included for the
220 SiS5595 SMBus (a subset of I2C) interface.
221
222 This driver can also be built as a module. If so, the module
223 will be called i2c-sis5595.
224
225config I2C_SIS630
Amaury Decrême974d6a32013-01-28 22:21:05 +0100226 tristate "SiS 630/730/964"
Jean Delvaref5b728a2008-07-14 22:38:23 +0200227 depends on PCI
228 help
229 If you say yes to this option, support will be included for the
Amaury Decrême974d6a32013-01-28 22:21:05 +0100230 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
Jean Delvaref5b728a2008-07-14 22:38:23 +0200231
232 This driver can also be built as a module. If so, the module
233 will be called i2c-sis630.
234
235config I2C_SIS96X
236 tristate "SiS 96x"
237 depends on PCI
238 help
239 If you say yes to this option, support will be included for the SiS
240 96x SMBus (a subset of I2C) interfaces. Specifically, the following
241 chipsets are supported:
242 645/961
243 645DX/961
244 645DX/962
245 648/961
246 650/961
247 735
248 745
249
250 This driver can also be built as a module. If so, the module
251 will be called i2c-sis96x.
252
253config I2C_VIA
254 tristate "VIA VT82C586B"
Kees Cook417e86c2013-01-16 18:53:37 -0800255 depends on PCI
Jean Delvaref5b728a2008-07-14 22:38:23 +0200256 select I2C_ALGOBIT
257 help
258 If you say yes to this option, support will be included for the VIA
259 82C586B I2C interface
260
261 This driver can also be built as a module. If so, the module
262 will be called i2c-via.
263
264config I2C_VIAPRO
Jean Delvare01d56a62012-10-05 22:23:53 +0200265 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
Jean Delvaref5b728a2008-07-14 22:38:23 +0200266 depends on PCI
267 help
268 If you say yes to this option, support will be included for the VIA
269 VT82C596 and later SMBus interface. Specifically, the following
270 chipsets are supported:
271 VT82C596A/B
272 VT82C686A/B
273 VT8231
274 VT8233/A
275 VT8235
276 VT8237R/A/S
277 VT8251
278 CX700
Harald Weltea2315912009-06-15 18:01:49 +0200279 VX800/VX820
280 VX855/VX875
Jean Delvare01d56a62012-10-05 22:23:53 +0200281 VX900
Jean Delvaref5b728a2008-07-14 22:38:23 +0200282
283 This driver can also be built as a module. If so, the module
284 will be called i2c-viapro.
285
Jean Delvarecfd550e2009-09-18 22:45:52 +0200286if ACPI
287
288comment "ACPI drivers"
289
290config I2C_SCMI
291 tristate "SMBus Control Method Interface"
292 help
293 This driver supports the SMBus Control Method Interface. It needs the
294 BIOS to declare ACPI control methods as described in the SMBus Control
295 Method Interface specification.
296
297 To compile this driver as a module, choose M here:
298 the module will be called i2c-scmi.
299
300endif # ACPI
301
Jean Delvaref5b728a2008-07-14 22:38:23 +0200302comment "Mac SMBus host controller drivers"
303 depends on PPC_CHRP || PPC_PMAC
304
305config I2C_HYDRA
306 tristate "CHRP Apple Hydra Mac I/O I2C interface"
Kees Cook417e86c2013-01-16 18:53:37 -0800307 depends on PCI && PPC_CHRP
Jean Delvaref5b728a2008-07-14 22:38:23 +0200308 select I2C_ALGOBIT
309 help
310 This supports the use of the I2C interface in the Apple Hydra Mac
311 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
312 have such a machine.
313
314 This support is also available as a module. If so, the module
315 will be called i2c-hydra.
316
317config I2C_POWERMAC
318 tristate "Powermac I2C interface"
319 depends on PPC_PMAC
320 default y
321 help
322 This exposes the various PowerMac i2c interfaces to the linux i2c
323 layer and to userland. It is used by various drivers on the PowerMac
324 platform, and should generally be enabled.
325
326 This support is also available as a module. If so, the module
327 will be called i2c-powermac.
328
329comment "I2C system bus drivers (mostly embedded / system-on-chip)"
330
Brendan Higginsf327c682017-06-20 14:15:15 -0700331config I2C_ASPEED
332 tristate "Aspeed I2C Controller"
333 depends on ARCH_ASPEED || COMPILE_TEST
334 help
335 If you say yes to this option, support will be included for the
336 Aspeed I2C controller.
337
338 This driver can also be built as a module. If so, the module
339 will be called i2c-aspeed.
340
Andrew Victor813e30e2006-12-10 21:21:30 +0100341config I2C_AT91
342 tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
Kees Cook417e86c2013-01-16 18:53:37 -0800343 depends on ARCH_AT91
Andrew Victor813e30e2006-12-10 21:21:30 +0100344 help
345 This supports the use of the I2C interface on Atmel AT91
346 processors.
347
Nikolaus Vossfac368a2011-11-08 11:49:46 +0100348 A serious problem is that there is no documented way to issue
349 repeated START conditions for more than two messages, as needed
David Brownell24d0fb422007-10-13 23:56:32 +0200350 to support combined I2C messages. Use the i2c-gpio driver
Nikolaus Vossfac368a2011-11-08 11:49:46 +0100351 unless your system can cope with this limitation.
352
353 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
354 don't have clock stretching in transmission mode. For that reason,
355 you can encounter underrun issues causing premature stop sendings if
356 the latency to fill the transmission register is too long. If you
357 are facing this situation, use the i2c-gpio driver.
David Brownell24d0fb422007-10-13 23:56:32 +0200358
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359config I2C_AU1550
Manuel Lauss809f36c2011-11-01 20:03:30 +0100360 tristate "Au1550/Au1200/Au1300 SMBus interface"
Manuel Lauss3766386032011-08-12 11:39:45 +0200361 depends on MIPS_ALCHEMY
Linus Torvalds1da177e2005-04-16 15:20:36 -0700362 help
363 If you say yes to this option, support will be included for the
Manuel Lauss809f36c2011-11-01 20:03:30 +0100364 Au1550/Au1200/Au1300 SMBus interface.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365
366 This driver can also be built as a module. If so, the module
367 will be called i2c-au1550.
368
Anders Berg08678b82014-10-03 13:08:02 +0200369config I2C_AXXIA
370 tristate "Axxia I2C controller"
371 depends on ARCH_AXXIA || COMPILE_TEST
372 default ARCH_AXXIA
373 help
374 Say yes if you want to support the I2C bus on Axxia platforms.
375
376 Please note that this controller is limited to transfers of maximum
377 255 bytes in length. Any attempt to to a larger transfer will return
378 an error.
379
Stephen Warrenf3b54b92013-02-11 19:47:56 -0700380config I2C_BCM2835
381 tristate "Broadcom BCM2835 I2C controller"
382 depends on ARCH_BCM2835
383 help
384 If you say yes to this option, support will be included for the
385 BCM2835 I2C controller.
386
387 If you don't know what to do here, say N.
388
389 This support is also available as a module. If so, the module
390 will be called i2c-bcm2835.
391
Ray Juie6e5dd32015-02-07 21:25:24 -0800392config I2C_BCM_IPROC
393 tristate "Broadcom iProc I2C controller"
394 depends on ARCH_BCM_IPROC || COMPILE_TEST
395 default ARCH_BCM_IPROC
396 help
397 If you say yes to this option, support will be included for the
398 Broadcom iProc I2C controller.
399
400 If you don't know what to do here, say N.
401
Tim Kryger93d172472013-11-14 13:02:13 -0800402config I2C_BCM_KONA
403 tristate "BCM Kona I2C adapter"
404 depends on ARCH_BCM_MOBILE
405 default y
406 help
407 If you say yes to this option, support will be included for the
408 I2C interface on the Broadcom Kona family of processors.
409
Masanari Iidaf54619f2014-09-18 12:09:42 +0900410 If you do not need KONA I2C interface, say N.
Tim Kryger93d172472013-11-14 13:02:13 -0800411
Kamal Dasudd1aa252015-06-09 15:36:20 -0400412config I2C_BRCMSTB
413 tristate "BRCM Settop I2C controller"
Jaedon Shinbcf358a2016-07-15 12:45:08 +0900414 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
Kamal Dasudd1aa252015-06-09 15:36:20 -0400415 default y
416 help
417 If you say yes to this option, support will be included for the
418 I2C interface on the Broadcom Settop SoCs.
419
420 If you do not need I2C interface, say N.
421
Bryan Wud24ecfc2007-05-01 23:26:32 +0200422config I2C_BLACKFIN_TWI
423 tristate "Blackfin TWI I2C support"
Bryan Wud4ce2202008-04-22 22:16:48 +0200424 depends on BLACKFIN
Mike Frysinger4d2bee52008-07-14 22:38:22 +0200425 depends on !BF561 && !BF531 && !BF532 && !BF533
Bryan Wud24ecfc2007-05-01 23:26:32 +0200426 help
Mike Frysinger4d2bee52008-07-14 22:38:22 +0200427 This is the I2C bus driver for Blackfin on-chip TWI interface.
Bryan Wud4ce2202008-04-22 22:16:48 +0200428
Bryan Wud24ecfc2007-05-01 23:26:32 +0200429 This driver can also be built as a module. If so, the module
430 will be called i2c-bfin-twi.
431
432config I2C_BLACKFIN_TWI_CLK_KHZ
433 int "Blackfin TWI I2C clock (kHz)"
434 depends on I2C_BLACKFIN_TWI
Michael Hennerich9528d1c2009-05-18 08:14:41 -0400435 range 21 400
Bryan Wud24ecfc2007-05-01 23:26:32 +0200436 default 50
437 help
438 The unit of the TWI clock is kHz.
439
Soren Brinkmanndf8eb562014-04-04 14:27:55 -0700440config I2C_CADENCE
441 tristate "Cadence I2C Controller"
Jan Kotasf8989782016-12-08 09:47:58 +0000442 depends on ARCH_ZYNQ || ARM64 || XTENSA
Soren Brinkmanndf8eb562014-04-04 14:27:55 -0700443 help
444 Say yes here to select Cadence I2C Host Controller. This controller is
445 e.g. used by Xilinx Zynq.
446
Aaro Koskinen0857ba32012-11-18 18:36:19 +0200447config I2C_CBUS_GPIO
448 tristate "CBUS I2C driver"
Geert Uytterhoeven7e5cd692015-05-05 18:32:22 +0200449 depends on GPIOLIB || COMPILE_TEST
Aaro Koskinen0857ba32012-11-18 18:36:19 +0200450 help
451 Support for CBUS access using I2C API. Mostly relevant for Nokia
452 Internet Tablets (770, N800 and N810).
453
454 This driver can also be built as a module. If so, the module
455 will be called i2c-cbus-gpio.
456
Jochen Friedrich61045db2008-07-14 22:38:27 +0200457config I2C_CPM
458 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
Richard Weinberger62c19c92014-02-09 19:47:40 +0100459 depends on CPM1 || CPM2
Jochen Friedrich61045db2008-07-14 22:38:27 +0200460 help
461 This supports the use of the I2C interface on Freescale
462 processors with CPM1 or CPM2.
463
464 This driver can also be built as a module. If so, the module
465 will be called i2c-cpm.
466
Vladimir Barinov95a7f102007-10-13 23:56:30 +0200467config I2C_DAVINCI
468 tristate "DaVinci I2C driver"
Santosh Shilimkard654b542013-07-24 20:28:19 -0400469 depends on ARCH_DAVINCI || ARCH_KEYSTONE
Vladimir Barinov95a7f102007-10-13 23:56:30 +0200470 help
471 Support for TI DaVinci I2C controller driver.
472
473 This driver can also be built as a module. If so, the module
474 will be called i2c-davinci.
475
476 Please note that this driver might be needed to bring up other
477 devices such as DaVinci NIC.
478 For details please see http://www.ti.com/davinci
479
Axel Line68bb912012-09-10 10:14:02 +0200480config I2C_DESIGNWARE_CORE
481 tristate
482
Dirk Brandewie2373f6b2011-10-29 10:57:23 +0100483config I2C_DESIGNWARE_PLATFORM
Masanari Iida6b2aac42012-04-14 00:14:11 +0900484 tristate "Synopsys DesignWare Platform"
Axel Line68bb912012-09-10 10:14:02 +0200485 select I2C_DESIGNWARE_CORE
Carl Penga4459002014-09-30 13:04:55 +0300486 depends on (ACPI && COMMON_CLK) || !ACPI
Baruch Siach1ab52cf2009-06-22 16:36:29 +0300487 help
488 If you say yes to this option, support will be included for the
489 Synopsys DesignWare I2C adapter. Only master mode is supported.
490
491 This driver can also be built as a module. If so, the module
Dirk Brandewie2373f6b2011-10-29 10:57:23 +0100492 will be called i2c-designware-platform.
Baruch Siach1ab52cf2009-06-22 16:36:29 +0300493
Dirk Brandewiefe20ff52011-10-06 11:26:35 -0700494config I2C_DESIGNWARE_PCI
495 tristate "Synopsys DesignWare PCI"
496 depends on PCI
Axel Line68bb912012-09-10 10:14:02 +0200497 select I2C_DESIGNWARE_CORE
Dirk Brandewiefe20ff52011-10-06 11:26:35 -0700498 help
499 If you say yes to this option, support will be included for the
500 Synopsys DesignWare I2C adapter. Only master mode is supported.
501
502 This driver can also be built as a module. If so, the module
503 will be called i2c-designware-pci.
Paul Mundt4ad48e62008-10-14 17:30:03 +0200504
David Box894acb22015-01-15 01:12:17 -0800505config I2C_DESIGNWARE_BAYTRAIL
506 bool "Intel Baytrail I2C semaphore support"
Jarkko Nikulaf41021b2015-12-10 13:48:44 +0200507 depends on ACPI
508 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
509 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
David Box894acb22015-01-15 01:12:17 -0800510 help
511 This driver enables managed host access to the PMIC I2C bus on select
512 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
513 the host to request uninterrupted access to the PMIC's I2C bus from
514 the platform firmware controlling it. You should say Y if running on
515 a BayTrail system using the AXP288.
516
Baruch Siach4a7a0822015-03-19 13:16:46 +0200517config I2C_DIGICOLOR
518 tristate "Conexant Digicolor I2C driver"
519 depends on ARCH_DIGICOLOR
520 help
521 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
522
523 This driver can also be built as a module. If so, the module
524 will be called i2c-digicolor.
525
Uwe Kleine-König1b5b2372014-03-25 11:48:46 +0100526config I2C_EFM32
527 tristate "EFM32 I2C controller"
528 depends on ARCH_EFM32 || COMPILE_TEST
529 help
530 This driver supports the i2c block found in Energy Micro's EFM32
531 SoCs.
532
Jayachandran C3e1b76b2012-01-23 18:01:29 +0530533config I2C_EG20T
534 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
Paul Burton7a852b02015-11-30 16:21:39 +0000535 depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
Jayachandran C3e1b76b2012-01-23 18:01:29 +0530536 help
537 This driver is for PCH(Platform controller Hub) I2C of EG20T which
538 is an IOH(Input/Output Hub) for x86 embedded processor.
539 This driver can access PCH I2C bus device.
540
541 This driver also can be used for LAPIS Semiconductor IOH(Input/
542 Output Hub), ML7213, ML7223 and ML7831.
543 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
544 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
545 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
546 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
547
Wolfram Sang5faf6e12015-07-11 09:46:23 +0200548config I2C_EMEV2
549 tristate "EMMA Mobile series I2C adapter"
550 depends on HAVE_CLK
Wolfram Sangb7d518e2015-12-17 13:09:32 +0100551 select I2C_SLAVE
Wolfram Sang5faf6e12015-07-11 09:46:23 +0200552 help
553 If you say yes to this option, support will be included for the
554 I2C interface on the Renesas Electronics EM/EV family of processors.
555
Naveen Krishna Ch8a73cd42013-10-16 11:00:42 +0530556config I2C_EXYNOS5
557 tristate "Exynos5 high-speed I2C driver"
Naveen Krishna Ch2374a532014-09-16 15:03:17 +0530558 depends on ARCH_EXYNOS && OF
Sachin Kamat741d3582014-06-25 15:32:03 +0530559 default y
Naveen Krishna Ch8a73cd42013-10-16 11:00:42 +0530560 help
Sachin Kamat741d3582014-06-25 15:32:03 +0530561 High-speed I2C controller on Exynos5 based Samsung SoCs.
Naveen Krishna Ch8a73cd42013-10-16 11:00:42 +0530562
Haavard Skinnemoen1c23af92007-05-01 23:26:34 +0200563config I2C_GPIO
564 tristate "GPIO-based bitbanging I2C"
Geert Uytterhoeven7e5cd692015-05-05 18:32:22 +0200565 depends on GPIOLIB || COMPILE_TEST
Haavard Skinnemoen1c23af92007-05-01 23:26:34 +0200566 select I2C_ALGOBIT
567 help
568 This is a very simple bitbanging I2C driver utilizing the
569 arch-neutral GPIO API to control the SCL and SDA lines.
570
Paul Mundt4ad48e62008-10-14 17:30:03 +0200571config I2C_HIGHLANDER
572 tristate "Highlander FPGA SMBus interface"
573 depends on SH_HIGHLANDER
574 help
575 If you say yes to this option, support will be included for
576 the SMBus interface located in the FPGA on various Highlander
577 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
578 FPGAs. This is wholly unrelated to the SoC I2C.
579
580 This driver can also be built as a module. If so, the module
581 will be called i2c-highlander.
582
Linus Torvalds1da177e2005-04-16 15:20:36 -0700583config I2C_IBM_IIC
584 tristate "IBM PPC 4xx on-chip I2C interface"
Sean MacLennan838349b2008-04-22 22:16:47 +0200585 depends on 4xx
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586 help
Wolfram Sang4c03f682008-04-22 22:16:47 +0200587 Say Y here if you want to use IIC peripheral found on
588 embedded IBM PPC 4xx based systems.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700589
590 This driver can also be built as a module. If so, the module
591 will be called i2c-ibm_iic.
592
James Hogan27bce452014-11-13 15:32:21 -0300593config I2C_IMG
594 tristate "Imagination Technologies I2C SCB Controller"
Andrew Bresticker062052062014-11-18 15:58:33 -0800595 depends on MIPS || METAG || COMPILE_TEST
James Hogan27bce452014-11-13 15:32:21 -0300596 help
597 Say Y here if you want to use the IMG I2C SCB controller,
Andrew Bresticker062052062014-11-18 15:58:33 -0800598 available on the TZ1090 and other IMG SoCs.
James Hogan27bce452014-11-13 15:32:21 -0300599
600 This driver can also be built as a module. If so, the module
601 will be called i2c-img-scb.
602
Darius Augulisaa11e382009-01-30 10:32:28 +0200603config I2C_IMX
604 tristate "IMX I2C interface"
Greg Ungerer17791652016-10-17 11:54:05 +1000605 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE
Darius Augulisaa11e382009-01-30 10:32:28 +0200606 help
607 Say Y here if you want to use the IIC bus controller on
Greg Ungerer17791652016-10-17 11:54:05 +1000608 the Freescale i.MX/MXC, Layerscape or ColdFire processors.
Darius Augulisaa11e382009-01-30 10:32:28 +0200609
610 This driver can also be built as a module. If so, the module
611 will be called i2c-imx.
612
Gao Pana55fa9d2016-11-30 10:40:47 +0800613config I2C_IMX_LPI2C
614 tristate "IMX Low Power I2C interface"
615 depends on ARCH_MXC || COMPILE_TEST
616 help
617 Say Y here if you want to use the Low Power IIC bus controller
618 on the Freescale i.MX processors.
619
620 This driver can also be built as a module. If so, the module
621 will be called i2c-imx-lpi2c.
622
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623config I2C_IOP3XX
Dan Williams285f5fa2006-12-07 02:59:39 +0100624 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
Jan Engelhardt16538e62007-05-01 23:26:34 +0200625 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
Linus Torvalds1da177e2005-04-16 15:20:36 -0700626 help
627 Say Y here if you want to use the IIC bus controller on
Dan Williams285f5fa2006-12-07 02:59:39 +0100628 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700629
630 This driver can also be built as a module. If so, the module
631 will be called i2c-iop3xx.
632
Zubair Lutfullah Kakakhelba922222015-03-31 14:03:55 +0100633config I2C_JZ4780
634 tristate "JZ4780 I2C controller interface support"
635 depends on MACH_JZ4780 || COMPILE_TEST
636 help
637 If you say yes to this option, support will be included for the
638 Ingenic JZ4780 I2C controller.
639
640 If you don't know what to do here, say N.
641
Kevin Strassere0b9b7b2013-06-23 21:00:04 -0700642config I2C_KEMPLD
643 tristate "Kontron COM I2C Controller"
644 depends on MFD_KEMPLD
645 help
646 This enables support for the I2C bus interface on some Kontron ETX
647 and COMexpress (ETXexpress) modules.
648
649 This driver can also be built as a module. If so, the module
650 will be called i2c-kempld.
651
Joachim Eastwood3f9c37a2015-08-16 20:10:16 +0200652config I2C_LPC2K
653 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
654 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
655 help
656 This driver supports the I2C interface found several NXP
657 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
658
659 This driver can also be built as a module. If so, the module
660 will be called i2c-lpc2k.
661
Beniamino Galvani30021e32014-11-13 20:32:01 +0100662config I2C_MESON
663 tristate "Amlogic Meson I2C controller"
Ben Dooks91401782016-07-06 21:17:05 +0100664 depends on ARCH_MESON || COMPILE_TEST
Beniamino Galvani30021e32014-11-13 20:32:01 +0100665 help
666 If you say yes to this option, support will be included for the
667 I2C interface on the Amlogic Meson family of SoCs.
668
Linus Torvalds1da177e2005-04-16 15:20:36 -0700669config I2C_MPC
Wolfgang Grandeggerf00d7382010-02-17 11:19:19 +0100670 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
Kumar Gala0724d462011-03-15 11:02:43 -0500671 depends on PPC
Linus Torvalds1da177e2005-04-16 15:20:36 -0700672 help
673 If you say yes to this option, support will be included for the
Wolfgang Grandeggerf00d7382010-02-17 11:19:19 +0100674 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
675 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700676
677 This driver can also be built as a module. If so, the module
678 will be called i2c-mpc.
679
Xudong Chence388152015-05-21 16:53:28 +0800680config I2C_MT65XX
681 tristate "MediaTek I2C adapter"
682 depends on ARCH_MEDIATEK || COMPILE_TEST
Geert Uytterhoevenfc0a1f02015-06-26 14:12:10 +0200683 depends on HAS_DMA
Xudong Chence388152015-05-21 16:53:28 +0800684 help
685 This selects the MediaTek(R) Integrated Inter Circuit bus driver
686 for MT65xx and MT81xx.
687 If you want to use MediaTek(R) I2C interface, say Y or M here.
688 If unsure, say N.
689
Jean Delvaref5b728a2008-07-14 22:38:23 +0200690config I2C_MV64XXX
691 tristate "Marvell mv64xxx I2C Controller"
Thomas Petazzoni05872b82016-04-22 15:19:51 +0200692 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700693 help
Jean Delvaref5b728a2008-07-14 22:38:23 +0200694 If you say yes to this option, support will be included for the
695 built-in I2C interface on the Marvell 64xxx line of host bridges.
Maxime Ripard3d66ac72013-06-12 18:53:32 +0200696 This driver is also used for Allwinner SoCs I2C controllers.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700697
698 This driver can also be built as a module. If so, the module
Jean Delvaref5b728a2008-07-14 22:38:23 +0200699 will be called i2c-mv64xxx.
Jean Delvare279e9022008-07-14 22:38:21 +0200700
Wolfram Sanga8da7fe2011-02-16 13:39:16 +0100701config I2C_MXS
702 tristate "Freescale i.MX28 I2C interface"
703 depends on SOC_IMX28
Wolfram Sang6b866c12011-08-31 20:37:50 +0200704 select STMP_DEVICE
Wolfram Sanga8da7fe2011-02-16 13:39:16 +0100705 help
706 Say Y here if you want to use the I2C bus controller on
707 the Freescale i.MX28 processors.
708
709 This driver can also be built as a module. If so, the module
710 will be called i2c-mxs.
711
srinidhi kasagar3f9900f2010-02-01 19:44:54 +0530712config I2C_NOMADIK
713 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
Alessandro Rubini419408e2012-06-11 22:56:49 +0200714 depends on ARM_AMBA
srinidhi kasagar3f9900f2010-02-01 19:44:54 +0530715 help
716 If you say yes to this option, support will be included for the
Alessandro Rubini419408e2012-06-11 22:56:49 +0200717 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
718 as well as the STA2X11 PCIe I/O HUB.
srinidhi kasagar3f9900f2010-02-01 19:44:54 +0530719
Peter Korsgaard18f98b12006-06-04 20:01:08 +0200720config I2C_OCORES
721 tristate "OpenCores I2C Controller"
Peter Korsgaard18f98b12006-06-04 20:01:08 +0200722 help
723 If you say yes to this option, support will be included for the
724 OpenCores I2C controller. For details see
725 http://www.opencores.org/projects.cgi/web/i2c/overview
726
727 This driver can also be built as a module. If so, the module
728 will be called i2c-ocores.
729
Komal Shah010d442c42006-08-13 23:44:09 +0200730config I2C_OMAP
731 tristate "OMAP I2C adapter"
Jan Engelhardt16538e62007-05-01 23:26:34 +0200732 depends on ARCH_OMAP
Komal Shah010d442c42006-08-13 23:44:09 +0200733 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
734 help
735 If you say yes to this option, support will be included for the
736 I2C interface on the Texas Instruments OMAP1/2 family of processors.
737 Like OMAP1510/1610/1710/5912 and OMAP242x.
738 For details see http://www.ti.com/omap.
739
Jean Delvaref5b728a2008-07-14 22:38:23 +0200740config I2C_PASEMI
741 tristate "PA Semi SMBus interface"
742 depends on PPC_PASEMI && PCI
743 help
744 Supports the PA Semi PWRficient on-chip SMBus interfaces.
745
Wolfram Sang35bfc352010-06-03 11:33:56 +0200746config I2C_PCA_PLATFORM
747 tristate "PCA9564/PCA9665 as platform device"
748 select I2C_ALGOPCA
749 default n
750 help
751 This driver supports a memory mapped Philips PCA9564/PCA9665
752 parallel bus to I2C bus controller.
753
754 This driver can also be built as a module. If so, the module
755 will be called i2c-pca-platform.
756
757config I2C_PMCMSP
758 tristate "PMC MSP I2C TWI Controller"
759 depends on PMC_MSP
760 help
761 This driver supports the PMC TWI controller on MSP devices.
762
763 This driver can also be built as module. If so, the module
764 will be called i2c-pmcmsp.
765
Jean Delvaref5b728a2008-07-14 22:38:23 +0200766config I2C_PNX
Kevin Wellsc1151672010-08-05 15:40:17 -0700767 tristate "I2C bus support for Philips PNX and NXP LPC targets"
Roland Stigged684f052012-08-26 16:30:37 +0200768 depends on ARCH_LPC32XX
Jean Delvaref5b728a2008-07-14 22:38:23 +0200769 help
770 This driver supports the Philips IP3204 I2C IP block master and/or
771 slave controller
772
773 This driver can also be built as a module. If so, the module
774 will be called i2c-pnx.
775
GuanXuetaod10e4a62011-02-26 21:29:29 +0800776config I2C_PUV3
777 tristate "PKUnity v3 I2C bus support"
778 depends on UNICORE32 && ARCH_PUV3
779 select I2C_ALGOBIT
780 help
781 This driver supports the I2C IP inside the PKUnity-v3 SoC.
782 This I2C bus controller is under AMBA/AXI bus.
783
784 This driver can also be built as a module. If so, the module
785 will be called i2c-puv3.
786
Jean Delvaref5b728a2008-07-14 22:38:23 +0200787config I2C_PXA
Haojian Zhuangd7c46dd2009-09-04 17:37:17 +0800788 tristate "Intel PXA2XX I2C adapter"
Romain Perier294be032016-12-01 12:04:38 +0100789 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF)
Jean Delvaref5b728a2008-07-14 22:38:23 +0200790 help
791 If you have devices in the PXA I2C bus, say yes to this option.
792 This driver can also be built as a module. If so, the module
793 will be called i2c-pxa.
794
Sebastian Andrzej Siewior7e94dd12011-03-02 11:26:53 +0100795config I2C_PXA_PCI
796 def_bool I2C_PXA && X86_32 && PCI && OF
797
Jean Delvaref5b728a2008-07-14 22:38:23 +0200798config I2C_PXA_SLAVE
799 bool "Intel PXA2XX I2C Slave comms support"
Sebastian Andrzej Siewior7e94dd12011-03-02 11:26:53 +0100800 depends on I2C_PXA && !X86_32
Jean Delvaref5b728a2008-07-14 22:38:23 +0200801 help
802 Support I2C slave mode communications on the PXA I2C bus. This
803 is necessary for systems where the PXA may be a target on the
804 I2C bus.
805
Bjorn Andersson10c5a842014-03-13 19:07:43 -0700806config I2C_QUP
807 tristate "Qualcomm QUP based I2C controller"
808 depends on ARCH_QCOM
809 help
810 If you say yes to this option, support will be included for the
811 built-in I2C interface on the Qualcomm SoCs.
812
813 This driver can also be built as a module. If so, the module
814 will be called i2c-qup.
815
Wolfram Sang310c18a2013-12-20 19:08:50 +0100816config I2C_RIIC
817 tristate "Renesas RIIC adapter"
Simon Horman07316142016-02-22 10:15:19 +0900818 depends on ARCH_RENESAS || COMPILE_TEST
Wolfram Sang310c18a2013-12-20 19:08:50 +0100819 help
820 If you say yes to this option, support will be included for the
821 Renesas RIIC I2C interface.
822
823 This driver can also be built as a module. If so, the module
824 will be called i2c-riic.
825
Max Schwarzc41aa3c2014-06-11 22:34:37 +0200826config I2C_RK3X
827 tristate "Rockchip RK3xxx I2C adapter"
Max Schwarz80f17742014-11-24 01:32:27 +0100828 depends on OF && COMMON_CLK
Max Schwarzc41aa3c2014-06-11 22:34:37 +0200829 help
830 Say Y here to include support for the I2C adapter in Rockchip RK3xxx
831 SoCs.
832
833 This driver can also be built as a module. If so, the module will
834 be called i2c-rk3x.
835
Naveen Krishna Ch4b623922010-07-29 18:49:34 +0900836config HAVE_S3C2410_I2C
837 bool
838 help
839 This will include I2C support for Samsung SoCs. If you want to
840 include I2C support for any machine, kindly select this in the
841 respective Kconfig file.
842
Jean Delvaref5b728a2008-07-14 22:38:23 +0200843config I2C_S3C2410
844 tristate "S3C2410 I2C Driver"
Naveen Krishna Ch4b623922010-07-29 18:49:34 +0900845 depends on HAVE_S3C2410_I2C
Jean Delvaref5b728a2008-07-14 22:38:23 +0200846 help
847 Say Y here to include support for I2C controller in the
Naveen Krishna Ch4b623922010-07-29 18:49:34 +0900848 Samsung SoCs.
Jean Delvaref5b728a2008-07-14 22:38:23 +0200849
850config I2C_SH7760
851 tristate "Renesas SH7760 I2C Controller"
852 depends on CPU_SUBTYPE_SH7760
853 help
854 This driver supports the 2 I2C interfaces on the Renesas SH7760.
855
856 This driver can also be built as a module. If so, the module
857 will be called i2c-sh7760.
858
859config I2C_SH_MOBILE
860 tristate "SuperH Mobile I2C Controller"
Geert Uytterhoevenf16ea4f2014-12-15 14:37:04 +0100861 depends on HAS_DMA
Geert Uytterhoeven17f80482016-08-31 11:35:13 +0200862 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
Jean Delvaref5b728a2008-07-14 22:38:23 +0200863 help
864 If you say yes to this option, support will be included for the
865 built-in I2C interface on the Renesas SH-Mobile processor.
866
867 This driver can also be built as a module. If so, the module
868 will be called i2c-sh_mobile.
869
870config I2C_SIMTEC
871 tristate "Simtec Generic I2C interface"
872 select I2C_ALGOBIT
873 help
874 If you say yes to this option, support will be included for
875 the Simtec Generic I2C interface. This driver is for the
876 simple I2C bus used on newer Simtec products for general
877 I2C, such as DDC on the Simtec BBD2016A.
878
879 This driver can also be built as a module. If so, the module
880 will be called i2c-simtec.
881
Zhiwu Song979b9072012-02-08 23:28:35 +0800882config I2C_SIRF
883 tristate "CSR SiRFprimaII I2C interface"
Arnd Bergmannc5dece32013-06-10 18:07:14 +0200884 depends on ARCH_SIRF
Zhiwu Song979b9072012-02-08 23:28:35 +0800885 help
886 If you say yes to this option, support will be included for the
887 CSR SiRFprimaII I2C interface.
888
889 This driver can also be built as a module. If so, the module
890 will be called i2c-sirf.
891
Maxime COQUELIN85b4fab2013-11-06 09:25:12 +0100892config I2C_ST
893 tristate "STMicroelectronics SSC I2C support"
894 depends on ARCH_STI
895 help
896 Enable this option to add support for STMicroelectronics SoCs
897 hardware SSC (Synchronous Serial Controller) as an I2C controller.
898
899 This driver can also be built as module. If so, the module
900 will be called i2c-st.
901
M'boumba Cedric Madianga62817fc2017-01-19 14:25:13 +0100902config I2C_STM32F4
903 tristate "STMicroelectronics STM32F4 I2C support"
904 depends on ARCH_STM32 || COMPILE_TEST
905 help
906 Enable this option to add support for STM32 I2C controller embedded
907 in STM32F4 SoCs.
908
909 This driver can also be built as module. If so, the module
910 will be called i2c-stm32f4.
911
Linus Walleij18904c02009-06-13 21:51:34 +0200912config I2C_STU300
913 tristate "ST Microelectronics DDC I2C interface"
Linus Walleij4eaad8a2009-06-15 00:30:18 +0200914 depends on MACH_U300
Linus Walleij18904c02009-06-13 21:51:34 +0200915 default y if MACH_U300
916 help
917 If you say yes to this option, support will be included for the
918 I2C interface from ST Microelectronics simply called "DDC I2C"
919 supporting both I2C and DDC, used in e.g. the U300 series
920 mobile platforms.
921
922 This driver can also be built as a module. If so, the module
923 will be called i2c-stu300.
924
Boris BREZILLON3e833492014-06-11 11:17:30 +0200925config I2C_SUN6I_P2WI
926 tristate "Allwinner sun6i internal P2WI controller"
927 depends on RESET_CONTROLLER
928 depends on MACH_SUN6I || COMPILE_TEST
929 help
930 If you say yes to this option, support will be included for the
931 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
932 SOCs.
933 The P2WI looks like an SMBus controller (which supports only byte
934 accesses), except that it only supports one slave device.
935 This interface is used to connect to specific PMIC devices (like the
936 AXP221).
937
Colin Crossdb811ca2011-02-20 17:14:21 -0800938config I2C_TEGRA
939 tristate "NVIDIA Tegra internal I2C controller"
940 depends on ARCH_TEGRA
941 help
942 If you say yes to this option, support will be included for the
943 I2C controller embedded in NVIDIA Tegra SOCs
944
Shardar Shariff Md0297ffa2017-02-20 17:52:34 +0100945config I2C_TEGRA_BPMP
946 tristate "NVIDIA Tegra BPMP I2C controller"
947 depends on TEGRA_BPMP
Jon Hunter1ae52142017-03-23 11:56:56 +0000948 default y
Shardar Shariff Md0297ffa2017-02-20 17:52:34 +0100949 help
950 If you say yes to this option, support will be included for the I2C
951 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
952
953 This I2C driver is a 'virtual' I2C driver. The real driver is part
954 of the BPMP firmware, and this driver merely communicates with that
955 real driver.
956
Masahiro Yamadadd6fd4a2015-10-23 19:51:59 +0900957config I2C_UNIPHIER
958 tristate "UniPhier FIFO-less I2C controller"
Masahiro Yamada61c18ae2016-01-31 22:34:02 +0900959 depends on ARCH_UNIPHIER || COMPILE_TEST
Masahiro Yamadadd6fd4a2015-10-23 19:51:59 +0900960 help
961 If you say yes to this option, support will be included for
962 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
963 or older UniPhier SoCs.
964
Masahiro Yamada6a629742015-10-23 19:52:00 +0900965config I2C_UNIPHIER_F
966 tristate "UniPhier FIFO-builtin I2C controller"
Masahiro Yamada61c18ae2016-01-31 22:34:02 +0900967 depends on ARCH_UNIPHIER || COMPILE_TEST
Masahiro Yamada6a629742015-10-23 19:52:00 +0900968 help
969 If you say yes to this option, support will be included for
970 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
971 PH1-Pro5, or newer UniPhier SoCs.
972
Jean Delvaref5b728a2008-07-14 22:38:23 +0200973config I2C_VERSATILE
974 tristate "ARM Versatile/Realview I2C bus support"
Axel Lin9f6db9b2016-07-09 13:31:23 +0800975 depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
Jean Delvaref5b728a2008-07-14 22:38:23 +0200976 select I2C_ALGOBIT
977 help
978 Say yes if you want to support the I2C serial bus on ARMs Versatile
979 range of platforms.
980
981 This driver can also be built as a module. If so, the module
982 will be called i2c-versatile.
983
Tony Prisk560746e2013-06-15 09:52:16 +1200984config I2C_WMT
985 tristate "Wondermedia WM8xxx SoC I2C bus support"
986 depends on ARCH_VT8500
987 help
988 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
989 SoCs.
990
991 This driver can also be built as a module. If so, the module will be
992 called i2c-wmt.
993
Rade Bozic85660f42010-01-28 12:47:07 -0800994config I2C_OCTEON
995 tristate "Cavium OCTEON I2C bus support"
David Daney9ddebc42013-05-22 15:10:46 +0000996 depends on CAVIUM_OCTEON_SOC
Rade Bozic85660f42010-01-28 12:47:07 -0800997 help
998 Say yes if you want to support the I2C serial bus on Cavium
999 OCTEON SOC.
1000
1001 This driver can also be built as a module. If so, the module
1002 will be called i2c-octeon.
1003
Jan Glauber22d40202016-08-24 23:25:44 +02001004config I2C_THUNDERX
1005 tristate "Cavium ThunderX I2C bus support"
1006 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
Jan Glauber1e586672016-08-24 23:25:45 +02001007 select I2C_SMBUS
Jan Glauber22d40202016-08-24 23:25:44 +02001008 help
1009 Say yes if you want to support the I2C serial bus on Cavium
1010 ThunderX SOC.
1011
1012 This driver can also be built as a module. If so, the module
1013 will be called i2c-thunderx.
1014
Richard Röjforse1d5b652010-02-11 10:42:00 +01001015config I2C_XILINX
1016 tristate "Xilinx I2C Controller"
Kees Cook417e86c2013-01-16 18:53:37 -08001017 depends on HAS_IOMEM
Richard Röjforse1d5b652010-02-11 10:42:00 +01001018 help
1019 If you say yes to this option, support will be included for the
1020 Xilinx I2C controller.
1021
1022 This driver can also be built as a module. If so, the module
1023 will be called xilinx_i2c.
1024
Ganesan Ramalingam401c3432012-01-27 14:15:37 +05301025config I2C_XLR
Måns Rullgård75d31c22015-11-02 02:03:36 +00001026 tristate "Netlogic XLR and Sigma Designs I2C support"
Marc Gonzaleze3879e42016-05-11 17:20:05 +02001027 depends on CPU_XLR || ARCH_TANGO
Ganesan Ramalingam401c3432012-01-27 14:15:37 +05301028 help
1029 This driver enables support for the on-chip I2C interface of
Måns Rullgård75d31c22015-11-02 02:03:36 +00001030 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
Ganesan Ramalingam401c3432012-01-27 14:15:37 +05301031
1032 This driver can also be built as a module. If so, the module
1033 will be called i2c-xlr.
1034
Subhendu Sekhar Behera2bbd6812015-03-18 17:20:29 +05301035config I2C_XLP9XX
1036 tristate "XLP9XX I2C support"
Jayachandran C4165bd42017-03-12 10:54:55 +00001037 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST
Subhendu Sekhar Behera2bbd6812015-03-18 17:20:29 +05301038 help
1039 This driver enables support for the on-chip I2C interface of
Tanmay Jagdale8574ad72016-04-11 18:01:26 +05301040 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
Subhendu Sekhar Behera2bbd6812015-03-18 17:20:29 +05301041
1042 This driver can also be built as a module. If so, the module will
1043 be called i2c-xlp9xx.
1044
Kuninori Morimoto6ccbe602012-09-27 23:44:25 -07001045config I2C_RCAR
1046 tristate "Renesas R-Car I2C Controller"
Geert Uytterhoeven79439d832016-05-22 09:38:35 +02001047 depends on HAS_DMA
Simon Horman07316142016-02-22 10:15:19 +09001048 depends on ARCH_RENESAS || COMPILE_TEST
Jean Delvared5fd1202015-01-26 20:59:31 +01001049 select I2C_SLAVE
Kuninori Morimoto6ccbe602012-09-27 23:44:25 -07001050 help
1051 If you say yes to this option, support will be included for the
1052 R-Car I2C controller.
1053
1054 This driver can also be built as a module. If so, the module
1055 will be called i2c-rcar.
1056
Jean Delvaref5b728a2008-07-14 22:38:23 +02001057comment "External I2C/SMBus adapter drivers"
1058
Guenter Roeck335d7c52011-01-26 11:45:49 -08001059config I2C_DIOLAN_U2C
1060 tristate "Diolan U2C-12 USB adapter"
1061 depends on USB
1062 help
1063 If you say yes to this option, support will be included for Diolan
1064 U2C-12, a USB to I2C interface.
1065
1066 This driver can also be built as a module. If so, the module
1067 will be called i2c-diolan-u2c.
1068
Laurentiu Palcudb23e502014-11-06 15:48:04 +02001069config I2C_DLN2
1070 tristate "Diolan DLN-2 USB I2C adapter"
1071 depends on MFD_DLN2
1072 help
1073 If you say yes to this option, support will be included for Diolan
1074 DLN2, a USB to I2C interface.
1075
1076 This driver can also be built as a module. If so, the module
1077 will be called i2c-dln2.
1078
Linus Torvalds1da177e2005-04-16 15:20:36 -07001079config I2C_PARPORT
1080 tristate "Parallel port adapter"
Martin Schwidefsky0244ad02013-08-30 09:39:53 +02001081 depends on PARPORT
Linus Torvalds1da177e2005-04-16 15:20:36 -07001082 select I2C_ALGOBIT
Jean Delvare35859252010-03-02 12:23:44 +01001083 select I2C_SMBUS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001084 help
1085 This supports parallel port I2C adapters such as the ones made by
1086 Philips or Velleman, Analog Devices evaluation boards, and more.
1087 Basically any adapter using the parallel port as an I2C bus with
1088 no extra chipset is supported by this driver, or could be.
1089
1090 This driver is a replacement for (and was inspired by) an older
1091 driver named i2c-philips-par. The new driver supports more devices,
1092 and makes it easier to add support for new devices.
Mark M. Hoffmane97b81d2006-03-23 16:50:25 +01001093
1094 An adapter type parameter is now mandatory. Please read the file
1095 Documentation/i2c/busses/i2c-parport for details.
1096
Linus Torvalds1da177e2005-04-16 15:20:36 -07001097 Another driver exists, named i2c-parport-light, which doesn't depend
1098 on the parport driver. This is meant for embedded systems. Don't say
1099 Y here if you intend to say Y or M there.
1100
Wolfram Sang4c03f682008-04-22 22:16:47 +02001101 This support is also available as a module. If so, the module
Linus Torvalds1da177e2005-04-16 15:20:36 -07001102 will be called i2c-parport.
1103
1104config I2C_PARPORT_LIGHT
1105 tristate "Parallel port adapter (light)"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001106 select I2C_ALGOBIT
Jean Delvare927ab2f2010-03-02 12:23:45 +01001107 select I2C_SMBUS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001108 help
1109 This supports parallel port I2C adapters such as the ones made by
1110 Philips or Velleman, Analog Devices evaluation boards, and more.
1111 Basically any adapter using the parallel port as an I2C bus with
1112 no extra chipset is supported by this driver, or could be.
1113
1114 This driver is a light version of i2c-parport. It doesn't depend
1115 on the parport driver, and uses direct I/O access instead. This
Matt LaPlante09509602006-10-03 22:31:37 +02001116 might be preferred on embedded systems where wasting memory for
Linus Torvalds1da177e2005-04-16 15:20:36 -07001117 the clean but heavy parport handling is not an option. The
1118 drawback is a reduced portability and the impossibility to
Matt LaPlante09509602006-10-03 22:31:37 +02001119 daisy-chain other parallel port devices.
Wolfram Sang4c03f682008-04-22 22:16:47 +02001120
Linus Torvalds1da177e2005-04-16 15:20:36 -07001121 Don't say Y here if you said Y or M to i2c-parport. Saying M to
1122 both is possible but both modules should not be loaded at the same
1123 time.
1124
Wolfram Sang4c03f682008-04-22 22:16:47 +02001125 This support is also available as a module. If so, the module
Linus Torvalds1da177e2005-04-16 15:20:36 -07001126 will be called i2c-parport-light.
1127
Andrew Lunn83e53a82014-01-11 00:23:59 +01001128config I2C_ROBOTFUZZ_OSIF
1129 tristate "RobotFuzz Open Source InterFace USB adapter"
1130 depends on USB
1131 help
1132 If you say yes to this option, support will be included for the
1133 RobotFuzz Open Source InterFace USB to I2C interface.
1134
1135 This driver can also be built as a module. If so, the module
1136 will be called i2c-osif.
1137
Jean Delvaref5b728a2008-07-14 22:38:23 +02001138config I2C_TAOS_EVM
1139 tristate "TAOS evaluation module"
Linus Torvalds21eaab62013-02-21 13:41:04 -08001140 depends on TTY
Jean Delvaref5b728a2008-07-14 22:38:23 +02001141 select SERIO
1142 select SERIO_SERPORT
1143 default n
Olof Johanssonbeb58aa2007-02-13 22:09:03 +01001144 help
Jean Delvaref5b728a2008-07-14 22:38:23 +02001145 This supports TAOS evaluation modules on serial port. In order to
1146 use this driver, you will need the inputattach tool, which is part
1147 of the input-utils package.
Olof Johanssonbeb58aa2007-02-13 22:09:03 +01001148
Jean Delvaref5b728a2008-07-14 22:38:23 +02001149 If unsure, say N.
1150
1151 This support is also available as a module. If so, the module
1152 will be called i2c-taos-evm.
1153
1154config I2C_TINY_USB
1155 tristate "Tiny-USB adapter"
1156 depends on USB
Linus Torvalds1da177e2005-04-16 15:20:36 -07001157 help
Jean Delvaref5b728a2008-07-14 22:38:23 +02001158 If you say yes to this option, support will be included for the
1159 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1160 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1161
1162 This driver can also be built as a module. If so, the module
1163 will be called i2c-tiny-usb.
1164
Lars Poeschel174a13a2012-11-19 16:36:04 +01001165config I2C_VIPERBOARD
1166 tristate "Viperboard I2C master support"
1167 depends on MFD_VIPERBOARD && USB
1168 help
1169 Say yes here to access the I2C part of the Nano River
1170 Technologies Viperboard as I2C master.
1171 See viperboard API specification and Nano
1172 River Tech's viperboard.h for detailed meaning
1173 of the module parameters.
1174
Jean Delvaref5b728a2008-07-14 22:38:23 +02001175comment "Other I2C/SMBus bus drivers"
1176
1177config I2C_ACORN
1178 tristate "Acorn IOC/IOMD I2C bus support"
1179 depends on ARCH_ACORN
1180 default y
1181 select I2C_ALGOBIT
1182 help
1183 Say yes if you want to support the I2C bus on Acorn platforms.
1184
1185 If you don't know, say Y.
1186
1187config I2C_ELEKTOR
1188 tristate "Elektor ISA card"
Uwe Kleine-Königce816fa2014-04-07 15:39:19 -07001189 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
Jean Delvaref5b728a2008-07-14 22:38:23 +02001190 select I2C_ALGOPCF
1191 help
1192 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
1193 such an adapter.
1194
1195 This support is also available as a module. If so, the module
1196 will be called i2c-elektor.
1197
Vadim Pasternak6bec23b2016-11-20 16:56:14 +00001198config I2C_MLXCPLD
1199 tristate "Mellanox I2C driver"
1200 depends on X86_64
1201 help
1202 This exposes the Mellanox platform I2C busses to the linux I2C layer
1203 for X86 based systems.
1204 Controller is implemented as CPLD logic.
1205
1206 This driver can also be built as a module. If so, the module will be
1207 called as i2c-mlxcpld.
1208
Jean Delvaref5b728a2008-07-14 22:38:23 +02001209config I2C_PCA_ISA
Marco Aurelio da Costaeff9ec92009-03-28 21:34:44 +01001210 tristate "PCA9564/PCA9665 on an ISA bus"
Jean Delvaref5b728a2008-07-14 22:38:23 +02001211 depends on ISA
1212 select I2C_ALGOPCA
1213 default n
1214 help
Marco Aurelio da Costaeff9ec92009-03-28 21:34:44 +01001215 This driver supports ISA boards using the Philips PCA9564/PCA9665
Jean Delvaref5b728a2008-07-14 22:38:23 +02001216 parallel bus to I2C bus controller.
1217
1218 This driver can also be built as a module. If so, the module
1219 will be called i2c-pca-isa.
1220
1221 This device is almost undetectable and using this driver on a
1222 system which doesn't have this device will result in long
1223 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1224 time). If unsure, say N.
1225
Linus Torvalds1da177e2005-04-16 15:20:36 -07001226config I2C_SIBYTE
1227 tristate "SiByte SMBus interface"
Jan Engelhardt16538e62007-05-01 23:26:34 +02001228 depends on SIBYTE_SB1xxx_SOC
Linus Torvalds1da177e2005-04-16 15:20:36 -07001229 help
1230 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1231
Doug Anderson9d230c92014-04-30 10:44:09 -07001232config I2C_CROS_EC_TUNNEL
1233 tristate "ChromeOS EC tunnel I2C bus"
Javier Martinez Canillas480b1412015-08-19 13:19:57 +02001234 depends on MFD_CROS_EC
Doug Anderson9d230c92014-04-30 10:44:09 -07001235 help
1236 If you say yes here you get an I2C bus that will tunnel i2c commands
1237 through to the other side of the ChromeOS EC to the i2c bus
1238 connected there. This will work whatever the interface used to
1239 talk to the EC (SPI, I2C or LPC).
1240
Feng Kanf6505fb2015-04-24 15:17:50 -07001241config I2C_XGENE_SLIMPRO
1242 tristate "APM X-Gene SoC I2C SLIMpro devices support"
1243 depends on ARCH_XGENE && MAILBOX
1244 help
1245 Enable I2C bus access using the APM X-Gene SoC SLIMpro
1246 co-processor. The I2C device access the I2C bus via the X-Gene
1247 to SLIMpro (On chip coprocessor) mailbox mechanism.
1248 If unsure, say N.
1249
Linus Torvalds1da177e2005-04-16 15:20:36 -07001250config SCx200_ACB
Ben Gardnera417bbd2006-01-18 22:53:09 +01001251 tristate "Geode ACCESS.bus support"
Jan Engelhardt16538e62007-05-01 23:26:34 +02001252 depends on X86_32 && PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -07001253 help
Ben Gardnera417bbd2006-01-18 22:53:09 +01001254 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1255 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001256
1257 If you don't know what to do here, say N.
1258
Wolfram Sang4c03f682008-04-22 22:16:47 +02001259 This support is also available as a module. If so, the module
Linus Torvalds1da177e2005-04-16 15:20:36 -07001260 will be called scx200_acb.
1261
Neelesh Gupta47083452014-12-13 23:31:05 +05301262config I2C_OPAL
1263 tristate "IBM OPAL I2C driver"
1264 depends on PPC_POWERNV
1265 default y
1266 help
1267 This exposes the PowerNV platform i2c busses to the linux i2c layer,
1268 the driver is based on the OPAL interfaces.
1269
1270 This driver can also be built as a module. If so, the module will be
1271 called as i2c-opal.
1272
Linus Torvalds1da177e2005-04-16 15:20:36 -07001273endmenu