i2c: uniphier_f: error out if bus speed is zero
[linux-2.6-block.git] / drivers / i2c / busses / Kconfig
CommitLineData
1da177e4
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1#
2# Sensor device configuration
3#
4
5menu "I2C Hardware Bus support"
3ddb59d4 6 depends on HAS_IOMEM
1da177e4 7
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8comment "PC SMBus host controller drivers"
9 depends on PCI
10
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11config I2C_ALI1535
12 tristate "ALI 1535"
16538e6b 13 depends on PCI
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14 help
15 If you say yes to this option, support will be included for the SMB
16 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB
17 controller is part of the 7101 device, which is an ACPI-compliant
18 Power Management Unit (PMU).
19
20 This driver can also be built as a module. If so, the module
21 will be called i2c-ali1535.
22
23config I2C_ALI1563
24 tristate "ALI 1563"
417e86ce 25 depends on PCI
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26 help
27 If you say yes to this option, support will be included for the SMB
28 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB
29 controller is part of the 7101 device, which is an ACPI-compliant
30 Power Management Unit (PMU).
31
32 This driver can also be built as a module. If so, the module
33 will be called i2c-ali1563.
34
35config I2C_ALI15X3
36 tristate "ALI 15x3"
16538e6b 37 depends on PCI
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38 help
39 If you say yes to this option, support will be included for the
40 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
41
42 This driver can also be built as a module. If so, the module
43 will be called i2c-ali15x3.
44
45config I2C_AMD756
46 tristate "AMD 756/766/768/8111 and nVidia nForce"
16538e6b 47 depends on PCI
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48 help
49 If you say yes to this option, support will be included for the AMD
50 756/766/768 mainboard I2C interfaces. The driver also includes
51 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
52 the nVidia nForce I2C interface.
53
54 This driver can also be built as a module. If so, the module
55 will be called i2c-amd756.
56
57config I2C_AMD756_S4882
58 tristate "SMBus multiplexing on the Tyan S4882"
417e86ce 59 depends on I2C_AMD756 && X86
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60 help
61 Enabling this option will add specific SMBus support for the Tyan
62 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
63 over 8 different channels, where the various memory module EEPROMs
64 and temperature sensors live. Saying yes here will give you access
65 to these in addition to the trunk.
66
67 This driver can also be built as a module. If so, the module
68 will be called i2c-amd756-s4882.
69
70config I2C_AMD8111
71 tristate "AMD 8111"
16538e6b 72 depends on PCI
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73 help
74 If you say yes to this option, support will be included for the
75 second (SMBus 2.0) AMD 8111 mainboard I2C interface.
76
77 This driver can also be built as a module. If so, the module
78 will be called i2c-amd8111.
79
15ef2775
WY
80config I2C_HIX5HD2
81 tristate "Hix5hd2 high-speed I2C driver"
181d9a07 82 depends on ARCH_HIX5HD2 || COMPILE_TEST
15ef2775
WY
83 help
84 Say Y here to include support for high-speed I2C controller in the
85 Hisilicon based hix5hd2 SoCs.
86
87 This driver can also be built as a module. If so, the module
88 will be called i2c-hix5hd2.
89
1da177e4 90config I2C_I801
39376434 91 tristate "Intel 82801 (ICH/PCH)"
16538e6b 92 depends on PCI
8eacfceb 93 select CHECK_SIGNATURE if X86 && DMI
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94 help
95 If you say yes to this option, support will be included for the Intel
96 801 family of mainboard I2C interfaces. Specifically, the following
97 versions of the chipset are supported:
98 82801AA
99 82801AB
100 82801BA
101 82801CA/CAM
102 82801DB
103 82801EB/ER (ICH5/ICH5R)
104 6300ESB
105 ICH6
106 ICH7
b0a70b57 107 ESB2
8254fc4a 108 ICH8
adbc2a10 109 ICH9
cb04e95b 110 EP80579 (Tolapai)
d28dc711 111 ICH10
cb04e95b 112 5/3400 Series (PCH)
662cda8a 113 6 Series (PCH)
e30d9859 114 Patsburg (PCH)
662cda8a 115 DH89xxCC (PCH)
6e2a851e 116 Panther Point (PCH)
062737fb 117 Lynx Point (PCH)
4a8f1ddd 118 Lynx Point-LP (PCH)
c2db409c 119 Avoton (SOC)
a3fc0ff0 120 Wellsburg (PCH)
f39901c1 121 Coleto Creek (PCH)
b299de83 122 Wildcat Point (PCH)
afc65924 123 Wildcat Point-LP (PCH)
1b31e9b7 124 BayTrail (SOC)
3e27a844 125 Sunrise Point-H (PCH)
3eee1799 126 Sunrise Point-LP (PCH)
2b630df7
JN
127 DNV (SOC)
128 Broxton (SOC)
cdc5a311 129 Lewisburg (PCH)
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130
131 This driver can also be built as a module. If so, the module
132 will be called i2c-i801.
133
5bc12008
AD
134config I2C_ISCH
135 tristate "Intel SCH SMBus 1.0"
0244ad00 136 depends on PCI
fd46a006 137 select LPC_SCH
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138 help
139 Say Y here if you want to use SMBus controller on the Intel SCH
140 based systems.
141
142 This driver can also be built as a module. If so, the module
143 will be called i2c-isch.
144
13f35ac1
NH
145config I2C_ISMT
146 tristate "Intel iSMT SMBus Controller"
147 depends on PCI && X86
148 help
149 If you say yes to this option, support will be included for the Intel
150 iSMT SMBus host controller interface.
151
152 This driver can also be built as a module. If so, the module will be
153 called i2c-ismt.
154
1da177e4 155config I2C_PIIX4
76b3e28f 156 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
16538e6b 157 depends on PCI
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158 help
159 If you say yes to this option, support will be included for the Intel
160 PIIX4 family of mainboard I2C interfaces. Specifically, the following
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161 versions of the chipset are supported (note that Serverworks is part
162 of Broadcom):
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163 Intel PIIX4
164 Intel 440MX
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165 ATI IXP200
166 ATI IXP300
167 ATI IXP400
4e6697fc 168 ATI SB600
2a2f7404 169 ATI SB700/SP5100
60693e5a 170 ATI SB800
3806e94b 171 AMD Hudson-2
032f708b 172 AMD ML
b996ac90 173 AMD CZ
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174 Serverworks OSB4
175 Serverworks CSB5
176 Serverworks CSB6
5f7ea3c5 177 Serverworks HT-1000
506a8b6c 178 Serverworks HT-1100
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179 SMSC Victory66
180
2a2f7404
AA
181 Some AMD chipsets contain two PIIX4-compatible SMBus
182 controllers. This driver will attempt to use both controllers
183 on the SB700/SP5100, if they have been initialized by the BIOS.
184
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185 This driver can also be built as a module. If so, the module
186 will be called i2c-piix4.
187
1da177e4 188config I2C_NFORCE2
5d740fe9 189 tristate "Nvidia nForce2, nForce3 and nForce4"
16538e6b 190 depends on PCI
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191 help
192 If you say yes to this option, support will be included for the Nvidia
5d740fe9 193 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
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194
195 This driver can also be built as a module. If so, the module
196 will be called i2c-nforce2.
197
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198config I2C_NFORCE2_S4985
199 tristate "SMBus multiplexing on the Tyan S4985"
417e86ce 200 depends on I2C_NFORCE2 && X86
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201 help
202 Enabling this option will add specific SMBus support for the Tyan
203 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
204 over 4 different channels, where the various memory module EEPROMs
205 live. Saying yes here will give you access to these in addition
206 to the trunk.
207
208 This driver can also be built as a module. If so, the module
209 will be called i2c-nforce2-s4985.
210
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211config I2C_SIS5595
212 tristate "SiS 5595"
213 depends on PCI
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214 help
215 If you say yes to this option, support will be included for the
f5b728a1 216 SiS5595 SMBus (a subset of I2C) interface.
18f98b1e
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217
218 This driver can also be built as a module. If so, the module
f5b728a1 219 will be called i2c-sis5595.
18f98b1e 220
f5b728a1 221config I2C_SIS630
974d6a37 222 tristate "SiS 630/730/964"
f5b728a1 223 depends on PCI
010d442c
KS
224 help
225 If you say yes to this option, support will be included for the
974d6a37 226 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
010d442c 227
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228 This driver can also be built as a module. If so, the module
229 will be called i2c-sis630.
230
231config I2C_SIS96X
232 tristate "SiS 96x"
233 depends on PCI
234 help
235 If you say yes to this option, support will be included for the SiS
236 96x SMBus (a subset of I2C) interfaces. Specifically, the following
237 chipsets are supported:
238 645/961
239 645DX/961
240 645DX/962
241 648/961
242 650/961
243 735
244 745
245
246 This driver can also be built as a module. If so, the module
247 will be called i2c-sis96x.
248
249config I2C_VIA
250 tristate "VIA VT82C586B"
417e86ce 251 depends on PCI
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252 select I2C_ALGOBIT
253 help
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254 If you say yes to this option, support will be included for the VIA
255 82C586B I2C interface
1da177e4 256
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257 This driver can also be built as a module. If so, the module
258 will be called i2c-via.
e97b81dd 259
f5b728a1 260config I2C_VIAPRO
01d56a6a 261 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
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262 depends on PCI
263 help
264 If you say yes to this option, support will be included for the VIA
265 VT82C596 and later SMBus interface. Specifically, the following
266 chipsets are supported:
267 VT82C596A/B
268 VT82C686A/B
269 VT8231
270 VT8233/A
271 VT8235
272 VT8237R/A/S
273 VT8251
274 CX700
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275 VX800/VX820
276 VX855/VX875
01d56a6a 277 VX900
e97b81dd 278
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279 This driver can also be built as a module. If so, the module
280 will be called i2c-viapro.
1da177e4 281
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282if ACPI
283
284comment "ACPI drivers"
285
286config I2C_SCMI
287 tristate "SMBus Control Method Interface"
288 help
289 This driver supports the SMBus Control Method Interface. It needs the
290 BIOS to declare ACPI control methods as described in the SMBus Control
291 Method Interface specification.
292
293 To compile this driver as a module, choose M here:
294 the module will be called i2c-scmi.
295
296endif # ACPI
297
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298comment "Mac SMBus host controller drivers"
299 depends on PPC_CHRP || PPC_PMAC
1da177e4 300
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301config I2C_HYDRA
302 tristate "CHRP Apple Hydra Mac I/O I2C interface"
417e86ce 303 depends on PCI && PPC_CHRP
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304 select I2C_ALGOBIT
305 help
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306 This supports the use of the I2C interface in the Apple Hydra Mac
307 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
308 have such a machine.
4c03f68f 309
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310 This support is also available as a module. If so, the module
311 will be called i2c-hydra.
312
313config I2C_POWERMAC
314 tristate "Powermac I2C interface"
315 depends on PPC_PMAC
316 default y
317 help
318 This exposes the various PowerMac i2c interfaces to the linux i2c
319 layer and to userland. It is used by various drivers on the PowerMac
320 platform, and should generally be enabled.
1da177e4 321
4c03f68f 322 This support is also available as a module. If so, the module
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323 will be called i2c-powermac.
324
325comment "I2C system bus drivers (mostly embedded / system-on-chip)"
326
327config I2C_AT91
328 tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
417e86ce 329 depends on ARCH_AT91
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330 help
331 This supports the use of the I2C interface on Atmel AT91
332 processors.
333
fac368a0
NV
334 A serious problem is that there is no documented way to issue
335 repeated START conditions for more than two messages, as needed
f5b728a1 336 to support combined I2C messages. Use the i2c-gpio driver
fac368a0
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337 unless your system can cope with this limitation.
338
339 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
340 don't have clock stretching in transmission mode. For that reason,
341 you can encounter underrun issues causing premature stop sendings if
342 the latency to fill the transmission register is too long. If you
343 are facing this situation, use the i2c-gpio driver.
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344
345config I2C_AU1550
809f36c6 346 tristate "Au1550/Au1200/Au1300 SMBus interface"
37663860 347 depends on MIPS_ALCHEMY
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348 help
349 If you say yes to this option, support will be included for the
809f36c6 350 Au1550/Au1200/Au1300 SMBus interface.
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351
352 This driver can also be built as a module. If so, the module
353 will be called i2c-au1550.
354
08678b85
AB
355config I2C_AXXIA
356 tristate "Axxia I2C controller"
357 depends on ARCH_AXXIA || COMPILE_TEST
358 default ARCH_AXXIA
359 help
360 Say yes if you want to support the I2C bus on Axxia platforms.
361
362 Please note that this controller is limited to transfers of maximum
363 255 bytes in length. Any attempt to to a larger transfer will return
364 an error.
365
f3b54b9a
SW
366config I2C_BCM2835
367 tristate "Broadcom BCM2835 I2C controller"
368 depends on ARCH_BCM2835
369 help
370 If you say yes to this option, support will be included for the
371 BCM2835 I2C controller.
372
373 If you don't know what to do here, say N.
374
375 This support is also available as a module. If so, the module
376 will be called i2c-bcm2835.
377
e6e5dd35
RJ
378config I2C_BCM_IPROC
379 tristate "Broadcom iProc I2C controller"
380 depends on ARCH_BCM_IPROC || COMPILE_TEST
381 default ARCH_BCM_IPROC
382 help
383 If you say yes to this option, support will be included for the
384 Broadcom iProc I2C controller.
385
386 If you don't know what to do here, say N.
387
93d17247
TK
388config I2C_BCM_KONA
389 tristate "BCM Kona I2C adapter"
390 depends on ARCH_BCM_MOBILE
391 default y
392 help
393 If you say yes to this option, support will be included for the
394 I2C interface on the Broadcom Kona family of processors.
395
f54619f2 396 If you do not need KONA I2C interface, say N.
93d17247 397
dd1aa252
KD
398config I2C_BRCMSTB
399 tristate "BRCM Settop I2C controller"
400 depends on ARCH_BRCMSTB || COMPILE_TEST
401 default y
402 help
403 If you say yes to this option, support will be included for the
404 I2C interface on the Broadcom Settop SoCs.
405
406 If you do not need I2C interface, say N.
407
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408config I2C_BLACKFIN_TWI
409 tristate "Blackfin TWI I2C support"
410 depends on BLACKFIN
411 depends on !BF561 && !BF531 && !BF532 && !BF533
412 help
413 This is the I2C bus driver for Blackfin on-chip TWI interface.
414
415 This driver can also be built as a module. If so, the module
416 will be called i2c-bfin-twi.
417
418config I2C_BLACKFIN_TWI_CLK_KHZ
419 int "Blackfin TWI I2C clock (kHz)"
420 depends on I2C_BLACKFIN_TWI
9528d1c7 421 range 21 400
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422 default 50
423 help
424 The unit of the TWI clock is kHz.
425
df8eb569
SB
426config I2C_CADENCE
427 tristate "Cadence I2C Controller"
3924bac4 428 depends on ARCH_ZYNQ || ARM64
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SB
429 help
430 Say yes here to select Cadence I2C Host Controller. This controller is
431 e.g. used by Xilinx Zynq.
432
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AK
433config I2C_CBUS_GPIO
434 tristate "CBUS I2C driver"
7e5cd69a 435 depends on GPIOLIB || COMPILE_TEST
0857ba3c
AK
436 help
437 Support for CBUS access using I2C API. Mostly relevant for Nokia
438 Internet Tablets (770, N800 and N810).
439
440 This driver can also be built as a module. If so, the module
441 will be called i2c-cbus-gpio.
442
61045dbe
JF
443config I2C_CPM
444 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
62c19c9d 445 depends on CPM1 || CPM2
61045dbe
JF
446 help
447 This supports the use of the I2C interface on Freescale
448 processors with CPM1 or CPM2.
449
450 This driver can also be built as a module. If so, the module
451 will be called i2c-cpm.
452
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453config I2C_DAVINCI
454 tristate "DaVinci I2C driver"
d654b548 455 depends on ARCH_DAVINCI || ARCH_KEYSTONE
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456 help
457 Support for TI DaVinci I2C controller driver.
458
459 This driver can also be built as a module. If so, the module
460 will be called i2c-davinci.
461
462 Please note that this driver might be needed to bring up other
463 devices such as DaVinci NIC.
464 For details please see http://www.ti.com/davinci
465
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AL
466config I2C_DESIGNWARE_CORE
467 tristate
468
2373f6b9 469config I2C_DESIGNWARE_PLATFORM
6b2aac42 470 tristate "Synopsys DesignWare Platform"
e68bb91b 471 select I2C_DESIGNWARE_CORE
a445900c 472 depends on (ACPI && COMMON_CLK) || !ACPI
1ab52cf9
BS
473 help
474 If you say yes to this option, support will be included for the
475 Synopsys DesignWare I2C adapter. Only master mode is supported.
476
477 This driver can also be built as a module. If so, the module
2373f6b9 478 will be called i2c-designware-platform.
1ab52cf9 479
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DB
480config I2C_DESIGNWARE_PCI
481 tristate "Synopsys DesignWare PCI"
482 depends on PCI
e68bb91b 483 select I2C_DESIGNWARE_CORE
fe20ff5c
DB
484 help
485 If you say yes to this option, support will be included for the
486 Synopsys DesignWare I2C adapter. Only master mode is supported.
487
488 This driver can also be built as a module. If so, the module
489 will be called i2c-designware-pci.
1ab52cf9 490
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DB
491config I2C_DESIGNWARE_BAYTRAIL
492 bool "Intel Baytrail I2C semaphore support"
b4ad0510 493 depends on I2C_DESIGNWARE_PLATFORM && IOSF_MBI=y && ACPI
894acb2f
DB
494 help
495 This driver enables managed host access to the PMIC I2C bus on select
496 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
497 the host to request uninterrupted access to the PMIC's I2C bus from
498 the platform firmware controlling it. You should say Y if running on
499 a BayTrail system using the AXP288.
500
4a7a0822
BS
501config I2C_DIGICOLOR
502 tristate "Conexant Digicolor I2C driver"
503 depends on ARCH_DIGICOLOR
504 help
505 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
506
507 This driver can also be built as a module. If so, the module
508 will be called i2c-digicolor.
509
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UKK
510config I2C_EFM32
511 tristate "EFM32 I2C controller"
512 depends on ARCH_EFM32 || COMPILE_TEST
513 help
514 This driver supports the i2c block found in Energy Micro's EFM32
515 SoCs.
516
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517config I2C_EG20T
518 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
7a852b02 519 depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
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J
520 help
521 This driver is for PCH(Platform controller Hub) I2C of EG20T which
522 is an IOH(Input/Output Hub) for x86 embedded processor.
523 This driver can access PCH I2C bus device.
524
525 This driver also can be used for LAPIS Semiconductor IOH(Input/
526 Output Hub), ML7213, ML7223 and ML7831.
527 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
528 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
529 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
530 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
531
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WS
532config I2C_EMEV2
533 tristate "EMMA Mobile series I2C adapter"
534 depends on HAVE_CLK
535 help
536 If you say yes to this option, support will be included for the
537 I2C interface on the Renesas Electronics EM/EV family of processors.
538
8a73cd4c
NKC
539config I2C_EXYNOS5
540 tristate "Exynos5 high-speed I2C driver"
2374a539 541 depends on ARCH_EXYNOS && OF
741d3589 542 default y
8a73cd4c 543 help
741d3589 544 High-speed I2C controller on Exynos5 based Samsung SoCs.
8a73cd4c 545
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546config I2C_GPIO
547 tristate "GPIO-based bitbanging I2C"
7e5cd69a 548 depends on GPIOLIB || COMPILE_TEST
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549 select I2C_ALGOBIT
550 help
551 This is a very simple bitbanging I2C driver utilizing the
552 arch-neutral GPIO API to control the SCL and SDA lines.
553
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PM
554config I2C_HIGHLANDER
555 tristate "Highlander FPGA SMBus interface"
556 depends on SH_HIGHLANDER
557 help
558 If you say yes to this option, support will be included for
559 the SMBus interface located in the FPGA on various Highlander
560 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
561 FPGAs. This is wholly unrelated to the SoC I2C.
562
563 This driver can also be built as a module. If so, the module
564 will be called i2c-highlander.
565
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566config I2C_IBM_IIC
567 tristate "IBM PPC 4xx on-chip I2C interface"
568 depends on 4xx
569 help
570 Say Y here if you want to use IIC peripheral found on
571 embedded IBM PPC 4xx based systems.
572
573 This driver can also be built as a module. If so, the module
574 will be called i2c-ibm_iic.
575
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576config I2C_IMG
577 tristate "Imagination Technologies I2C SCB Controller"
06205206 578 depends on MIPS || METAG || COMPILE_TEST
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579 help
580 Say Y here if you want to use the IMG I2C SCB controller,
06205206 581 available on the TZ1090 and other IMG SoCs.
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JH
582
583 This driver can also be built as a module. If so, the module
584 will be called i2c-img-scb.
585
aa11e38c
DA
586config I2C_IMX
587 tristate "IMX I2C interface"
fa721bae 588 depends on ARCH_MXC || ARCH_LAYERSCAPE
aa11e38c
DA
589 help
590 Say Y here if you want to use the IIC bus controller on
fa721bae 591 the Freescale i.MX/MXC or Layerscape processors.
aa11e38c
DA
592
593 This driver can also be built as a module. If so, the module
594 will be called i2c-imx.
595
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JD
596config I2C_IOP3XX
597 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
598 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
599 help
600 Say Y here if you want to use the IIC bus controller on
601 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
602
603 This driver can also be built as a module. If so, the module
604 will be called i2c-iop3xx.
605
ba92222e
ZLK
606config I2C_JZ4780
607 tristate "JZ4780 I2C controller interface support"
608 depends on MACH_JZ4780 || COMPILE_TEST
609 help
610 If you say yes to this option, support will be included for the
611 Ingenic JZ4780 I2C controller.
612
613 If you don't know what to do here, say N.
614
e0b9b7b0
KS
615config I2C_KEMPLD
616 tristate "Kontron COM I2C Controller"
617 depends on MFD_KEMPLD
618 help
619 This enables support for the I2C bus interface on some Kontron ETX
620 and COMexpress (ETXexpress) modules.
621
622 This driver can also be built as a module. If so, the module
623 will be called i2c-kempld.
624
3f9c37a0
JE
625config I2C_LPC2K
626 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
627 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
628 help
629 This driver supports the I2C interface found several NXP
630 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
631
632 This driver can also be built as a module. If so, the module
633 will be called i2c-lpc2k.
634
30021e37
BG
635config I2C_MESON
636 tristate "Amlogic Meson I2C controller"
637 depends on ARCH_MESON
638 help
639 If you say yes to this option, support will be included for the
640 I2C interface on the Amlogic Meson family of SoCs.
641
f5b728a1 642config I2C_MPC
f00d738f 643 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
0724d464 644 depends on PPC
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JD
645 help
646 If you say yes to this option, support will be included for the
f00d738f
WG
647 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
648 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
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JD
649
650 This driver can also be built as a module. If so, the module
651 will be called i2c-mpc.
652
ce38815d
XC
653config I2C_MT65XX
654 tristate "MediaTek I2C adapter"
655 depends on ARCH_MEDIATEK || COMPILE_TEST
fc0a1f03 656 depends on HAS_DMA
ce38815d
XC
657 help
658 This selects the MediaTek(R) Integrated Inter Circuit bus driver
659 for MT65xx and MT81xx.
660 If you want to use MediaTek(R) I2C interface, say Y or M here.
661 If unsure, say N.
662
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JD
663config I2C_MV64XXX
664 tristate "Marvell mv64xxx I2C Controller"
80c69915 665 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI
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JD
666 help
667 If you say yes to this option, support will be included for the
668 built-in I2C interface on the Marvell 64xxx line of host bridges.
3d66ac7d 669 This driver is also used for Allwinner SoCs I2C controllers.
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JD
670
671 This driver can also be built as a module. If so, the module
672 will be called i2c-mv64xxx.
673
a8da7fec
WS
674config I2C_MXS
675 tristate "Freescale i.MX28 I2C interface"
676 depends on SOC_IMX28
6b866c15 677 select STMP_DEVICE
a8da7fec
WS
678 help
679 Say Y here if you want to use the I2C bus controller on
680 the Freescale i.MX28 processors.
681
682 This driver can also be built as a module. If so, the module
683 will be called i2c-mxs.
684
3f9900f1 685config I2C_NOMADIK
686 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
419408ed 687 depends on ARM_AMBA
3f9900f1 688 help
689 If you say yes to this option, support will be included for the
419408ed
AR
690 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
691 as well as the STA2X11 PCIe I/O HUB.
3f9900f1 692
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JD
693config I2C_OCORES
694 tristate "OpenCores I2C Controller"
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JD
695 help
696 If you say yes to this option, support will be included for the
697 OpenCores I2C controller. For details see
698 http://www.opencores.org/projects.cgi/web/i2c/overview
699
700 This driver can also be built as a module. If so, the module
701 will be called i2c-ocores.
702
703config I2C_OMAP
704 tristate "OMAP I2C adapter"
705 depends on ARCH_OMAP
706 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
707 help
708 If you say yes to this option, support will be included for the
709 I2C interface on the Texas Instruments OMAP1/2 family of processors.
710 Like OMAP1510/1610/1710/5912 and OMAP242x.
711 For details see http://www.ti.com/omap.
1da177e4 712
beb58aa3
OJ
713config I2C_PASEMI
714 tristate "PA Semi SMBus interface"
16538e6b 715 depends on PPC_PASEMI && PCI
beb58aa3
OJ
716 help
717 Supports the PA Semi PWRficient on-chip SMBus interfaces.
718
35bfc353
WS
719config I2C_PCA_PLATFORM
720 tristate "PCA9564/PCA9665 as platform device"
721 select I2C_ALGOPCA
722 default n
723 help
724 This driver supports a memory mapped Philips PCA9564/PCA9665
725 parallel bus to I2C bus controller.
726
727 This driver can also be built as a module. If so, the module
728 will be called i2c-pca-platform.
729
730config I2C_PMCMSP
731 tristate "PMC MSP I2C TWI Controller"
732 depends on PMC_MSP
733 help
734 This driver supports the PMC TWI controller on MSP devices.
735
736 This driver can also be built as module. If so, the module
737 will be called i2c-pmcmsp.
738
f5b728a1 739config I2C_PNX
c115167a 740 tristate "I2C bus support for Philips PNX and NXP LPC targets"
d684f05f 741 depends on ARCH_LPC32XX
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JD
742 help
743 This driver supports the Philips IP3204 I2C IP block master and/or
744 slave controller
745
746 This driver can also be built as a module. If so, the module
747 will be called i2c-pnx.
748
d10e4a66
G
749config I2C_PUV3
750 tristate "PKUnity v3 I2C bus support"
751 depends on UNICORE32 && ARCH_PUV3
752 select I2C_ALGOBIT
753 help
754 This driver supports the I2C IP inside the PKUnity-v3 SoC.
755 This I2C bus controller is under AMBA/AXI bus.
756
757 This driver can also be built as a module. If so, the module
758 will be called i2c-puv3.
759
f5b728a1 760config I2C_PXA
d7c46ddd 761 tristate "Intel PXA2XX I2C adapter"
7e94dd15 762 depends on ARCH_PXA || ARCH_MMP || (X86_32 && PCI && OF)
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JD
763 help
764 If you have devices in the PXA I2C bus, say yes to this option.
765 This driver can also be built as a module. If so, the module
766 will be called i2c-pxa.
767
7e94dd15
SAS
768config I2C_PXA_PCI
769 def_bool I2C_PXA && X86_32 && PCI && OF
770
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JD
771config I2C_PXA_SLAVE
772 bool "Intel PXA2XX I2C Slave comms support"
7e94dd15 773 depends on I2C_PXA && !X86_32
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JD
774 help
775 Support I2C slave mode communications on the PXA I2C bus. This
776 is necessary for systems where the PXA may be a target on the
777 I2C bus.
778
10c5a842
BA
779config I2C_QUP
780 tristate "Qualcomm QUP based I2C controller"
781 depends on ARCH_QCOM
782 help
783 If you say yes to this option, support will be included for the
784 built-in I2C interface on the Qualcomm SoCs.
785
786 This driver can also be built as a module. If so, the module
787 will be called i2c-qup.
788
310c18a4
WS
789config I2C_RIIC
790 tristate "Renesas RIIC adapter"
791 depends on ARCH_SHMOBILE || COMPILE_TEST
792 help
793 If you say yes to this option, support will be included for the
794 Renesas RIIC I2C interface.
795
796 This driver can also be built as a module. If so, the module
797 will be called i2c-riic.
798
c41aa3ce
MS
799config I2C_RK3X
800 tristate "Rockchip RK3xxx I2C adapter"
80f1774f 801 depends on OF && COMMON_CLK
c41aa3ce
MS
802 help
803 Say Y here to include support for the I2C adapter in Rockchip RK3xxx
804 SoCs.
805
806 This driver can also be built as a module. If so, the module will
807 be called i2c-rk3x.
808
4b623926
NKC
809config HAVE_S3C2410_I2C
810 bool
811 help
812 This will include I2C support for Samsung SoCs. If you want to
813 include I2C support for any machine, kindly select this in the
814 respective Kconfig file.
815
1da177e4
LT
816config I2C_S3C2410
817 tristate "S3C2410 I2C Driver"
4b623926 818 depends on HAVE_S3C2410_I2C
1da177e4
LT
819 help
820 Say Y here to include support for I2C controller in the
4b623926 821 Samsung SoCs.
1da177e4 822
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JD
823config I2C_SH7760
824 tristate "Renesas SH7760 I2C Controller"
825 depends on CPU_SUBTYPE_SH7760
1da177e4 826 help
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JD
827 This driver supports the 2 I2C interfaces on the Renesas SH7760.
828
829 This driver can also be built as a module. If so, the module
830 will be called i2c-sh7760.
831
832config I2C_SH_MOBILE
833 tristate "SuperH Mobile I2C Controller"
f16ea4f0 834 depends on HAS_DMA
46a4e737 835 depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
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JD
836 help
837 If you say yes to this option, support will be included for the
838 built-in I2C interface on the Renesas SH-Mobile processor.
839
840 This driver can also be built as a module. If so, the module
841 will be called i2c-sh_mobile.
1da177e4 842
bcda9f1e
BD
843config I2C_SIMTEC
844 tristate "Simtec Generic I2C interface"
845 select I2C_ALGOBIT
846 help
01dd2fbf 847 If you say yes to this option, support will be included for
bcda9f1e
BD
848 the Simtec Generic I2C interface. This driver is for the
849 simple I2C bus used on newer Simtec products for general
850 I2C, such as DDC on the Simtec BBD2016A.
851
01dd2fbf 852 This driver can also be built as a module. If so, the module
bcda9f1e
BD
853 will be called i2c-simtec.
854
979b907f
ZS
855config I2C_SIRF
856 tristate "CSR SiRFprimaII I2C interface"
c5dece37 857 depends on ARCH_SIRF
979b907f
ZS
858 help
859 If you say yes to this option, support will be included for the
860 CSR SiRFprimaII I2C interface.
861
862 This driver can also be built as a module. If so, the module
863 will be called i2c-sirf.
864
85b4fab2
MC
865config I2C_ST
866 tristate "STMicroelectronics SSC I2C support"
867 depends on ARCH_STI
868 help
869 Enable this option to add support for STMicroelectronics SoCs
870 hardware SSC (Synchronous Serial Controller) as an I2C controller.
871
872 This driver can also be built as module. If so, the module
873 will be called i2c-st.
874
18904c0e
LW
875config I2C_STU300
876 tristate "ST Microelectronics DDC I2C interface"
4eaad8ad 877 depends on MACH_U300
18904c0e
LW
878 default y if MACH_U300
879 help
880 If you say yes to this option, support will be included for the
881 I2C interface from ST Microelectronics simply called "DDC I2C"
882 supporting both I2C and DDC, used in e.g. the U300 series
883 mobile platforms.
884
885 This driver can also be built as a module. If so, the module
886 will be called i2c-stu300.
887
3e833490
BB
888config I2C_SUN6I_P2WI
889 tristate "Allwinner sun6i internal P2WI controller"
890 depends on RESET_CONTROLLER
891 depends on MACH_SUN6I || COMPILE_TEST
892 help
893 If you say yes to this option, support will be included for the
894 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
895 SOCs.
896 The P2WI looks like an SMBus controller (which supports only byte
897 accesses), except that it only supports one slave device.
898 This interface is used to connect to specific PMIC devices (like the
899 AXP221).
900
db811ca0
CC
901config I2C_TEGRA
902 tristate "NVIDIA Tegra internal I2C controller"
903 depends on ARCH_TEGRA
904 help
905 If you say yes to this option, support will be included for the
906 I2C controller embedded in NVIDIA Tegra SOCs
907
dd6fd4a3
MY
908config I2C_UNIPHIER
909 tristate "UniPhier FIFO-less I2C controller"
910 depends on ARCH_UNIPHIER
911 help
912 If you say yes to this option, support will be included for
913 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
914 or older UniPhier SoCs.
915
6a62974b
MY
916config I2C_UNIPHIER_F
917 tristate "UniPhier FIFO-builtin I2C controller"
918 depends on ARCH_UNIPHIER
919 help
920 If you say yes to this option, support will be included for
921 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
922 PH1-Pro5, or newer UniPhier SoCs.
923
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JD
924config I2C_VERSATILE
925 tristate "ARM Versatile/Realview I2C bus support"
ceade897 926 depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS
1da177e4
LT
927 select I2C_ALGOBIT
928 help
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JD
929 Say yes if you want to support the I2C serial bus on ARMs Versatile
930 range of platforms.
1da177e4 931
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JD
932 This driver can also be built as a module. If so, the module
933 will be called i2c-versatile.
1da177e4 934
560746eb
TP
935config I2C_WMT
936 tristate "Wondermedia WM8xxx SoC I2C bus support"
937 depends on ARCH_VT8500
938 help
939 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
940 SoCs.
941
942 This driver can also be built as a module. If so, the module will be
943 called i2c-wmt.
944
85660f43
RB
945config I2C_OCTEON
946 tristate "Cavium OCTEON I2C bus support"
9ddebc46 947 depends on CAVIUM_OCTEON_SOC
85660f43
RB
948 help
949 Say yes if you want to support the I2C serial bus on Cavium
950 OCTEON SOC.
951
952 This driver can also be built as a module. If so, the module
953 will be called i2c-octeon.
954
e1d5b659
RR
955config I2C_XILINX
956 tristate "Xilinx I2C Controller"
417e86ce 957 depends on HAS_IOMEM
e1d5b659
RR
958 help
959 If you say yes to this option, support will be included for the
960 Xilinx I2C controller.
961
962 This driver can also be built as a module. If so, the module
963 will be called xilinx_i2c.
964
401c3434
GR
965config I2C_XLR
966 tristate "XLR I2C support"
967 depends on CPU_XLR
968 help
969 This driver enables support for the on-chip I2C interface of
970 the Netlogic XLR/XLS MIPS processors.
971
972 This driver can also be built as a module. If so, the module
973 will be called i2c-xlr.
974
2bbd681b
SSB
975config I2C_XLP9XX
976 tristate "XLP9XX I2C support"
977 depends on CPU_XLP || COMPILE_TEST
978 help
979 This driver enables support for the on-chip I2C interface of
980 the Broadcom XLP9xx/XLP5xx MIPS processors.
981
982 This driver can also be built as a module. If so, the module will
983 be called i2c-xlp9xx.
984
6ccbe607
KM
985config I2C_RCAR
986 tristate "Renesas R-Car I2C Controller"
46a4e737 987 depends on ARCH_SHMOBILE || COMPILE_TEST
d5fd120e 988 select I2C_SLAVE
6ccbe607
KM
989 help
990 If you say yes to this option, support will be included for the
991 R-Car I2C controller.
992
993 This driver can also be built as a module. If so, the module
994 will be called i2c-rcar.
995
f5b728a1 996comment "External I2C/SMBus adapter drivers"
11de70bd 997
335d7c58
GR
998config I2C_DIOLAN_U2C
999 tristate "Diolan U2C-12 USB adapter"
1000 depends on USB
1001 help
1002 If you say yes to this option, support will be included for Diolan
1003 U2C-12, a USB to I2C interface.
1004
1005 This driver can also be built as a module. If so, the module
1006 will be called i2c-diolan-u2c.
1007
db23e500
LP
1008config I2C_DLN2
1009 tristate "Diolan DLN-2 USB I2C adapter"
1010 depends on MFD_DLN2
1011 help
1012 If you say yes to this option, support will be included for Diolan
1013 DLN2, a USB to I2C interface.
1014
1015 This driver can also be built as a module. If so, the module
1016 will be called i2c-dln2.
1017
f5b728a1
JD
1018config I2C_PARPORT
1019 tristate "Parallel port adapter"
0244ad00 1020 depends on PARPORT
f5b728a1 1021 select I2C_ALGOBIT
35859254 1022 select I2C_SMBUS
1da177e4 1023 help
f5b728a1
JD
1024 This supports parallel port I2C adapters such as the ones made by
1025 Philips or Velleman, Analog Devices evaluation boards, and more.
1026 Basically any adapter using the parallel port as an I2C bus with
1027 no extra chipset is supported by this driver, or could be.
1da177e4 1028
f5b728a1
JD
1029 This driver is a replacement for (and was inspired by) an older
1030 driver named i2c-philips-par. The new driver supports more devices,
1031 and makes it easier to add support for new devices.
1da177e4 1032
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JD
1033 An adapter type parameter is now mandatory. Please read the file
1034 Documentation/i2c/busses/i2c-parport for details.
1da177e4 1035
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JD
1036 Another driver exists, named i2c-parport-light, which doesn't depend
1037 on the parport driver. This is meant for embedded systems. Don't say
1038 Y here if you intend to say Y or M there.
1da177e4 1039
4c03f68f 1040 This support is also available as a module. If so, the module
f5b728a1 1041 will be called i2c-parport.
1da177e4 1042
f5b728a1
JD
1043config I2C_PARPORT_LIGHT
1044 tristate "Parallel port adapter (light)"
1045 select I2C_ALGOBIT
927ab2f8 1046 select I2C_SMBUS
1da177e4 1047 help
f5b728a1
JD
1048 This supports parallel port I2C adapters such as the ones made by
1049 Philips or Velleman, Analog Devices evaluation boards, and more.
1050 Basically any adapter using the parallel port as an I2C bus with
1051 no extra chipset is supported by this driver, or could be.
1da177e4 1052
f5b728a1
JD
1053 This driver is a light version of i2c-parport. It doesn't depend
1054 on the parport driver, and uses direct I/O access instead. This
1055 might be preferred on embedded systems where wasting memory for
1056 the clean but heavy parport handling is not an option. The
1057 drawback is a reduced portability and the impossibility to
1058 daisy-chain other parallel port devices.
1da177e4 1059
f5b728a1
JD
1060 Don't say Y here if you said Y or M to i2c-parport. Saying M to
1061 both is possible but both modules should not be loaded at the same
1062 time.
1da177e4 1063
f5b728a1
JD
1064 This support is also available as a module. If so, the module
1065 will be called i2c-parport-light.
1da177e4 1066
83e53a8f
AL
1067config I2C_ROBOTFUZZ_OSIF
1068 tristate "RobotFuzz Open Source InterFace USB adapter"
1069 depends on USB
1070 help
1071 If you say yes to this option, support will be included for the
1072 RobotFuzz Open Source InterFace USB to I2C interface.
1073
1074 This driver can also be built as a module. If so, the module
1075 will be called i2c-osif.
1076
b9cdad74
JD
1077config I2C_TAOS_EVM
1078 tristate "TAOS evaluation module"
21eaab6d 1079 depends on TTY
b9cdad74
JD
1080 select SERIO
1081 select SERIO_SERPORT
1082 default n
1083 help
1084 This supports TAOS evaluation modules on serial port. In order to
1085 use this driver, you will need the inputattach tool, which is part
1086 of the input-utils package.
1087
1088 If unsure, say N.
1089
1090 This support is also available as a module. If so, the module
1091 will be called i2c-taos-evm.
1092
e8c76eed 1093config I2C_TINY_USB
f5b728a1 1094 tristate "Tiny-USB adapter"
e8c76eed
TH
1095 depends on USB
1096 help
1097 If you say yes to this option, support will be included for the
1098 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1099 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1100
1101 This driver can also be built as a module. If so, the module
1102 will be called i2c-tiny-usb.
1103
174a13aa
LP
1104config I2C_VIPERBOARD
1105 tristate "Viperboard I2C master support"
1106 depends on MFD_VIPERBOARD && USB
1107 help
1108 Say yes here to access the I2C part of the Nano River
1109 Technologies Viperboard as I2C master.
1110 See viperboard API specification and Nano
1111 River Tech's viperboard.h for detailed meaning
1112 of the module parameters.
1113
f5b728a1 1114comment "Other I2C/SMBus bus drivers"
6b65cd74 1115
8d91cbad 1116config I2C_ACORN
2a9915c8 1117 tristate "Acorn IOC/IOMD I2C bus support"
16538e6b 1118 depends on ARCH_ACORN
8d91cbad
RK
1119 default y
1120 select I2C_ALGOBIT
1121 help
1122 Say yes if you want to support the I2C bus on Acorn platforms.
1123
1124 If you don't know, say Y.
1125
f5b728a1
JD
1126config I2C_ELEKTOR
1127 tristate "Elektor ISA card"
ce816fa8 1128 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
f5b728a1 1129 select I2C_ALGOPCF
1da177e4 1130 help
f5b728a1
JD
1131 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
1132 such an adapter.
1da177e4 1133
f5b728a1
JD
1134 This support is also available as a module. If so, the module
1135 will be called i2c-elektor.
1da177e4
LT
1136
1137config I2C_PCA_ISA
eff9ec95 1138 tristate "PCA9564/PCA9665 on an ISA bus"
16538e6b 1139 depends on ISA
1da177e4 1140 select I2C_ALGOPCA
aee62305 1141 default n
1da177e4 1142 help
eff9ec95 1143 This driver supports ISA boards using the Philips PCA9564/PCA9665
244fbbb8 1144 parallel bus to I2C bus controller.
4c03f68f 1145
1da177e4
LT
1146 This driver can also be built as a module. If so, the module
1147 will be called i2c-pca-isa.
1148
aee62305
JD
1149 This device is almost undetectable and using this driver on a
1150 system which doesn't have this device will result in long
1151 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1152 time). If unsure, say N.
1153
f5b728a1
JD
1154config I2C_SIBYTE
1155 tristate "SiByte SMBus interface"
1156 depends on SIBYTE_SB1xxx_SOC
a26c20b1 1157 help
f5b728a1 1158 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
a26c20b1 1159
9d230c9e
DA
1160config I2C_CROS_EC_TUNNEL
1161 tristate "ChromeOS EC tunnel I2C bus"
480b141a 1162 depends on MFD_CROS_EC
9d230c9e
DA
1163 help
1164 If you say yes here you get an I2C bus that will tunnel i2c commands
1165 through to the other side of the ChromeOS EC to the i2c bus
1166 connected there. This will work whatever the interface used to
1167 talk to the EC (SPI, I2C or LPC).
1168
f6505fba
FK
1169config I2C_XGENE_SLIMPRO
1170 tristate "APM X-Gene SoC I2C SLIMpro devices support"
1171 depends on ARCH_XGENE && MAILBOX
1172 help
1173 Enable I2C bus access using the APM X-Gene SoC SLIMpro
1174 co-processor. The I2C device access the I2C bus via the X-Gene
1175 to SLIMpro (On chip coprocessor) mailbox mechanism.
1176 If unsure, say N.
1177
f5b728a1
JD
1178config SCx200_ACB
1179 tristate "Geode ACCESS.bus support"
1180 depends on X86_32 && PCI
1181 help
1182 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1183 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1184
1185 If you don't know what to do here, say N.
1186
1187 This support is also available as a module. If so, the module
1188 will be called scx200_acb.
da672773 1189
47083450
NG
1190config I2C_OPAL
1191 tristate "IBM OPAL I2C driver"
1192 depends on PPC_POWERNV
1193 default y
1194 help
1195 This exposes the PowerNV platform i2c busses to the linux i2c layer,
1196 the driver is based on the OPAL interfaces.
1197
1198 This driver can also be built as a module. If so, the module will be
1199 called as i2c-opal.
1200
1da177e4 1201endmenu