i2c-isch: Decrease delay in command completion check loop
[linux-2.6-block.git] / drivers / i2c / busses / Kconfig
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1#
2# Sensor device configuration
3#
4
5menu "I2C Hardware Bus support"
1da177e4 6
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7comment "PC SMBus host controller drivers"
8 depends on PCI
9
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10config I2C_ALI1535
11 tristate "ALI 1535"
16538e6b 12 depends on PCI
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13 help
14 If you say yes to this option, support will be included for the SMB
15 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB
16 controller is part of the 7101 device, which is an ACPI-compliant
17 Power Management Unit (PMU).
18
19 This driver can also be built as a module. If so, the module
20 will be called i2c-ali1535.
21
22config I2C_ALI1563
23 tristate "ALI 1563"
16538e6b 24 depends on PCI && EXPERIMENTAL
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25 help
26 If you say yes to this option, support will be included for the SMB
27 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB
28 controller is part of the 7101 device, which is an ACPI-compliant
29 Power Management Unit (PMU).
30
31 This driver can also be built as a module. If so, the module
32 will be called i2c-ali1563.
33
34config I2C_ALI15X3
35 tristate "ALI 15x3"
16538e6b 36 depends on PCI
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37 help
38 If you say yes to this option, support will be included for the
39 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
40
41 This driver can also be built as a module. If so, the module
42 will be called i2c-ali15x3.
43
44config I2C_AMD756
45 tristate "AMD 756/766/768/8111 and nVidia nForce"
16538e6b 46 depends on PCI
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47 help
48 If you say yes to this option, support will be included for the AMD
49 756/766/768 mainboard I2C interfaces. The driver also includes
50 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
51 the nVidia nForce I2C interface.
52
53 This driver can also be built as a module. If so, the module
54 will be called i2c-amd756.
55
56config I2C_AMD756_S4882
57 tristate "SMBus multiplexing on the Tyan S4882"
f1453ee3 58 depends on I2C_AMD756 && X86 && EXPERIMENTAL
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59 help
60 Enabling this option will add specific SMBus support for the Tyan
61 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
62 over 8 different channels, where the various memory module EEPROMs
63 and temperature sensors live. Saying yes here will give you access
64 to these in addition to the trunk.
65
66 This driver can also be built as a module. If so, the module
67 will be called i2c-amd756-s4882.
68
69config I2C_AMD8111
70 tristate "AMD 8111"
16538e6b 71 depends on PCI
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72 help
73 If you say yes to this option, support will be included for the
74 second (SMBus 2.0) AMD 8111 mainboard I2C interface.
75
76 This driver can also be built as a module. If so, the module
77 will be called i2c-amd8111.
78
1da177e4 79config I2C_I801
39376434 80 tristate "Intel 82801 (ICH/PCH)"
16538e6b 81 depends on PCI
8eacfceb 82 select CHECK_SIGNATURE if X86 && DMI
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83 help
84 If you say yes to this option, support will be included for the Intel
85 801 family of mainboard I2C interfaces. Specifically, the following
86 versions of the chipset are supported:
87 82801AA
88 82801AB
89 82801BA
90 82801CA/CAM
91 82801DB
92 82801EB/ER (ICH5/ICH5R)
93 6300ESB
94 ICH6
95 ICH7
b0a70b57 96 ESB2
8254fc4a 97 ICH8
adbc2a10 98 ICH9
cb04e95b 99 EP80579 (Tolapai)
d28dc711 100 ICH10
cb04e95b 101 5/3400 Series (PCH)
662cda8a 102 6 Series (PCH)
e30d9859 103 Patsburg (PCH)
662cda8a 104 DH89xxCC (PCH)
6e2a851e 105 Panther Point (PCH)
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106
107 This driver can also be built as a module. If so, the module
108 will be called i2c-i801.
109
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110config I2C_ISCH
111 tristate "Intel SCH SMBus 1.0"
860fb8c1 112 depends on PCI
fd46a006 113 select LPC_SCH
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114 help
115 Say Y here if you want to use SMBus controller on the Intel SCH
116 based systems.
117
118 This driver can also be built as a module. If so, the module
119 will be called i2c-isch.
120
1da177e4 121config I2C_PIIX4
76b3e28f 122 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
16538e6b 123 depends on PCI
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124 help
125 If you say yes to this option, support will be included for the Intel
126 PIIX4 family of mainboard I2C interfaces. Specifically, the following
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127 versions of the chipset are supported (note that Serverworks is part
128 of Broadcom):
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129 Intel PIIX4
130 Intel 440MX
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131 ATI IXP200
132 ATI IXP300
133 ATI IXP400
4e6697fc 134 ATI SB600
c29c2221 135 ATI SB700
60693e5a 136 ATI SB800
3806e94b 137 AMD Hudson-2
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138 Serverworks OSB4
139 Serverworks CSB5
140 Serverworks CSB6
5f7ea3c5 141 Serverworks HT-1000
506a8b6c 142 Serverworks HT-1100
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143 SMSC Victory66
144
145 This driver can also be built as a module. If so, the module
146 will be called i2c-piix4.
147
1da177e4 148config I2C_NFORCE2
5d740fe9 149 tristate "Nvidia nForce2, nForce3 and nForce4"
16538e6b 150 depends on PCI
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151 help
152 If you say yes to this option, support will be included for the Nvidia
5d740fe9 153 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
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154
155 This driver can also be built as a module. If so, the module
156 will be called i2c-nforce2.
157
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158config I2C_NFORCE2_S4985
159 tristate "SMBus multiplexing on the Tyan S4985"
f1453ee3 160 depends on I2C_NFORCE2 && X86 && EXPERIMENTAL
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161 help
162 Enabling this option will add specific SMBus support for the Tyan
163 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
164 over 4 different channels, where the various memory module EEPROMs
165 live. Saying yes here will give you access to these in addition
166 to the trunk.
167
168 This driver can also be built as a module. If so, the module
169 will be called i2c-nforce2-s4985.
170
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171config I2C_SIS5595
172 tristate "SiS 5595"
173 depends on PCI
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174 help
175 If you say yes to this option, support will be included for the
f5b728a1 176 SiS5595 SMBus (a subset of I2C) interface.
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177
178 This driver can also be built as a module. If so, the module
f5b728a1 179 will be called i2c-sis5595.
18f98b1e 180
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181config I2C_SIS630
182 tristate "SiS 630/730"
183 depends on PCI
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184 help
185 If you say yes to this option, support will be included for the
f5b728a1 186 SiS630 and SiS730 SMBus (a subset of I2C) interface.
010d442c 187
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188 This driver can also be built as a module. If so, the module
189 will be called i2c-sis630.
190
191config I2C_SIS96X
192 tristate "SiS 96x"
193 depends on PCI
194 help
195 If you say yes to this option, support will be included for the SiS
196 96x SMBus (a subset of I2C) interfaces. Specifically, the following
197 chipsets are supported:
198 645/961
199 645DX/961
200 645DX/962
201 648/961
202 650/961
203 735
204 745
205
206 This driver can also be built as a module. If so, the module
207 will be called i2c-sis96x.
208
209config I2C_VIA
210 tristate "VIA VT82C586B"
211 depends on PCI && EXPERIMENTAL
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212 select I2C_ALGOBIT
213 help
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214 If you say yes to this option, support will be included for the VIA
215 82C586B I2C interface
1da177e4 216
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217 This driver can also be built as a module. If so, the module
218 will be called i2c-via.
e97b81dd 219
f5b728a1 220config I2C_VIAPRO
a231591f 221 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx"
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222 depends on PCI
223 help
224 If you say yes to this option, support will be included for the VIA
225 VT82C596 and later SMBus interface. Specifically, the following
226 chipsets are supported:
227 VT82C596A/B
228 VT82C686A/B
229 VT8231
230 VT8233/A
231 VT8235
232 VT8237R/A/S
233 VT8251
234 CX700
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235 VX800/VX820
236 VX855/VX875
e97b81dd 237
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238 This driver can also be built as a module. If so, the module
239 will be called i2c-viapro.
1da177e4 240
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241if ACPI
242
243comment "ACPI drivers"
244
245config I2C_SCMI
246 tristate "SMBus Control Method Interface"
247 help
248 This driver supports the SMBus Control Method Interface. It needs the
249 BIOS to declare ACPI control methods as described in the SMBus Control
250 Method Interface specification.
251
252 To compile this driver as a module, choose M here:
253 the module will be called i2c-scmi.
254
255endif # ACPI
256
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257comment "Mac SMBus host controller drivers"
258 depends on PPC_CHRP || PPC_PMAC
1da177e4 259
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260config I2C_HYDRA
261 tristate "CHRP Apple Hydra Mac I/O I2C interface"
262 depends on PCI && PPC_CHRP && EXPERIMENTAL
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263 select I2C_ALGOBIT
264 help
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265 This supports the use of the I2C interface in the Apple Hydra Mac
266 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
267 have such a machine.
4c03f68f 268
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269 This support is also available as a module. If so, the module
270 will be called i2c-hydra.
271
272config I2C_POWERMAC
273 tristate "Powermac I2C interface"
274 depends on PPC_PMAC
275 default y
276 help
277 This exposes the various PowerMac i2c interfaces to the linux i2c
278 layer and to userland. It is used by various drivers on the PowerMac
279 platform, and should generally be enabled.
1da177e4 280
4c03f68f 281 This support is also available as a module. If so, the module
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282 will be called i2c-powermac.
283
284comment "I2C system bus drivers (mostly embedded / system-on-chip)"
285
286config I2C_AT91
287 tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
288 depends on ARCH_AT91 && EXPERIMENTAL && BROKEN
289 help
290 This supports the use of the I2C interface on Atmel AT91
291 processors.
292
293 This driver is BROKEN because the controller which it uses
294 will easily trigger RX overrun and TX underrun errors. Using
295 low I2C clock rates may partially work around those issues
296 on some systems. Another serious problem is that there is no
297 documented way to issue repeated START conditions, as needed
298 to support combined I2C messages. Use the i2c-gpio driver
299 unless your system can cope with those limitations.
300
301config I2C_AU1550
809f36c6 302 tristate "Au1550/Au1200/Au1300 SMBus interface"
37663860 303 depends on MIPS_ALCHEMY
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304 help
305 If you say yes to this option, support will be included for the
809f36c6 306 Au1550/Au1200/Au1300 SMBus interface.
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307
308 This driver can also be built as a module. If so, the module
309 will be called i2c-au1550.
310
311config I2C_BLACKFIN_TWI
312 tristate "Blackfin TWI I2C support"
313 depends on BLACKFIN
314 depends on !BF561 && !BF531 && !BF532 && !BF533
315 help
316 This is the I2C bus driver for Blackfin on-chip TWI interface.
317
318 This driver can also be built as a module. If so, the module
319 will be called i2c-bfin-twi.
320
321config I2C_BLACKFIN_TWI_CLK_KHZ
322 int "Blackfin TWI I2C clock (kHz)"
323 depends on I2C_BLACKFIN_TWI
9528d1c7 324 range 21 400
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325 default 50
326 help
327 The unit of the TWI clock is kHz.
328
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329config I2C_CPM
330 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
331 depends on (CPM1 || CPM2) && OF_I2C
332 help
333 This supports the use of the I2C interface on Freescale
334 processors with CPM1 or CPM2.
335
336 This driver can also be built as a module. If so, the module
337 will be called i2c-cpm.
338
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339config I2C_DAVINCI
340 tristate "DaVinci I2C driver"
341 depends on ARCH_DAVINCI
342 help
343 Support for TI DaVinci I2C controller driver.
344
345 This driver can also be built as a module. If so, the module
346 will be called i2c-davinci.
347
348 Please note that this driver might be needed to bring up other
349 devices such as DaVinci NIC.
350 For details please see http://www.ti.com/davinci
351
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352config I2C_DESIGNWARE_PLATFORM
353 tristate "Synopsys DesignWare Platfrom"
47749b14 354 depends on HAVE_CLK
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355 help
356 If you say yes to this option, support will be included for the
357 Synopsys DesignWare I2C adapter. Only master mode is supported.
358
359 This driver can also be built as a module. If so, the module
2373f6b9 360 will be called i2c-designware-platform.
1ab52cf9 361
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362config I2C_DESIGNWARE_PCI
363 tristate "Synopsys DesignWare PCI"
364 depends on PCI
365 help
366 If you say yes to this option, support will be included for the
367 Synopsys DesignWare I2C adapter. Only master mode is supported.
368
369 This driver can also be built as a module. If so, the module
370 will be called i2c-designware-pci.
1ab52cf9 371
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372config I2C_EG20T
373 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
374 depends on PCI
375 help
376 This driver is for PCH(Platform controller Hub) I2C of EG20T which
377 is an IOH(Input/Output Hub) for x86 embedded processor.
378 This driver can access PCH I2C bus device.
379
380 This driver also can be used for LAPIS Semiconductor IOH(Input/
381 Output Hub), ML7213, ML7223 and ML7831.
382 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
383 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
384 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
385 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
386
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387config I2C_GPIO
388 tristate "GPIO-based bitbanging I2C"
389 depends on GENERIC_GPIO
390 select I2C_ALGOBIT
391 help
392 This is a very simple bitbanging I2C driver utilizing the
393 arch-neutral GPIO API to control the SCL and SDA lines.
394
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395config I2C_HIGHLANDER
396 tristate "Highlander FPGA SMBus interface"
397 depends on SH_HIGHLANDER
398 help
399 If you say yes to this option, support will be included for
400 the SMBus interface located in the FPGA on various Highlander
401 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
402 FPGAs. This is wholly unrelated to the SoC I2C.
403
404 This driver can also be built as a module. If so, the module
405 will be called i2c-highlander.
406
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407config I2C_IBM_IIC
408 tristate "IBM PPC 4xx on-chip I2C interface"
409 depends on 4xx
410 help
411 Say Y here if you want to use IIC peripheral found on
412 embedded IBM PPC 4xx based systems.
413
414 This driver can also be built as a module. If so, the module
415 will be called i2c-ibm_iic.
416
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417config I2C_IMX
418 tristate "IMX I2C interface"
419 depends on ARCH_MXC
420 help
421 Say Y here if you want to use the IIC bus controller on
422 the Freescale i.MX/MXC processors.
423
424 This driver can also be built as a module. If so, the module
425 will be called i2c-imx.
426
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427config I2C_INTEL_MID
428 tristate "Intel Moorestown/Medfield Platform I2C controller"
9cc11dee 429 depends on PCI
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430 help
431 Say Y here if you have an Intel Moorestown/Medfield platform I2C
432 controller.
433
434 This support is also available as a module. If so, the module
435 will be called i2c-intel-mid.
436
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437config I2C_IOP3XX
438 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
439 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
440 help
441 Say Y here if you want to use the IIC bus controller on
442 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
443
444 This driver can also be built as a module. If so, the module
445 will be called i2c-iop3xx.
446
447config I2C_IXP2000
448 tristate "IXP2000 GPIO-Based I2C Interface (DEPRECATED)"
449 depends on ARCH_IXP2000
450 select I2C_ALGOBIT
451 help
452 Say Y here if you have an Intel IXP2000 (2400, 2800, 2850) based
453 system and are using GPIO lines for an I2C bus.
454
455 This support is also available as a module. If so, the module
456 will be called i2c-ixp2000.
457
458 This driver is deprecated and will be dropped soon. Use i2c-gpio
459 instead.
460
461config I2C_MPC
f00d738f 462 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
0724d464 463 depends on PPC
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464 help
465 If you say yes to this option, support will be included for the
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466 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
467 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
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468
469 This driver can also be built as a module. If so, the module
470 will be called i2c-mpc.
471
472config I2C_MV64XXX
473 tristate "Marvell mv64xxx I2C Controller"
474 depends on (MV64X60 || PLAT_ORION) && EXPERIMENTAL
475 help
476 If you say yes to this option, support will be included for the
477 built-in I2C interface on the Marvell 64xxx line of host bridges.
478
479 This driver can also be built as a module. If so, the module
480 will be called i2c-mv64xxx.
481
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482config I2C_MXS
483 tristate "Freescale i.MX28 I2C interface"
484 depends on SOC_IMX28
485 help
486 Say Y here if you want to use the I2C bus controller on
487 the Freescale i.MX28 processors.
488
489 This driver can also be built as a module. If so, the module
490 will be called i2c-mxs.
491
3f9900f1 492config I2C_NOMADIK
493 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
494 depends on PLAT_NOMADIK
495 help
496 If you say yes to this option, support will be included for the
497 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures.
498
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499config I2C_NUC900
500 tristate "NUC900 I2C Driver"
501 depends on ARCH_W90X900
502 help
503 Say Y here to include support for I2C controller in the
504 Winbond/Nuvoton NUC900 based System-on-Chip devices.
505
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506config I2C_OCORES
507 tristate "OpenCores I2C Controller"
508 depends on EXPERIMENTAL
509 help
510 If you say yes to this option, support will be included for the
511 OpenCores I2C controller. For details see
512 http://www.opencores.org/projects.cgi/web/i2c/overview
513
514 This driver can also be built as a module. If so, the module
515 will be called i2c-ocores.
516
517config I2C_OMAP
518 tristate "OMAP I2C adapter"
519 depends on ARCH_OMAP
520 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
521 help
522 If you say yes to this option, support will be included for the
523 I2C interface on the Texas Instruments OMAP1/2 family of processors.
524 Like OMAP1510/1610/1710/5912 and OMAP242x.
525 For details see http://www.ti.com/omap.
1da177e4 526
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527config I2C_PASEMI
528 tristate "PA Semi SMBus interface"
16538e6b 529 depends on PPC_PASEMI && PCI
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530 help
531 Supports the PA Semi PWRficient on-chip SMBus interfaces.
532
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533config I2C_PCA_PLATFORM
534 tristate "PCA9564/PCA9665 as platform device"
535 select I2C_ALGOPCA
536 default n
537 help
538 This driver supports a memory mapped Philips PCA9564/PCA9665
539 parallel bus to I2C bus controller.
540
541 This driver can also be built as a module. If so, the module
542 will be called i2c-pca-platform.
543
544config I2C_PMCMSP
545 tristate "PMC MSP I2C TWI Controller"
546 depends on PMC_MSP
547 help
548 This driver supports the PMC TWI controller on MSP devices.
549
550 This driver can also be built as module. If so, the module
551 will be called i2c-pmcmsp.
552
f5b728a1 553config I2C_PNX
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554 tristate "I2C bus support for Philips PNX and NXP LPC targets"
555 depends on ARCH_PNX4008 || ARCH_LPC32XX
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556 help
557 This driver supports the Philips IP3204 I2C IP block master and/or
558 slave controller
559
560 This driver can also be built as a module. If so, the module
561 will be called i2c-pnx.
562
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563config I2C_PUV3
564 tristate "PKUnity v3 I2C bus support"
565 depends on UNICORE32 && ARCH_PUV3
566 select I2C_ALGOBIT
567 help
568 This driver supports the I2C IP inside the PKUnity-v3 SoC.
569 This I2C bus controller is under AMBA/AXI bus.
570
571 This driver can also be built as a module. If so, the module
572 will be called i2c-puv3.
573
f5b728a1 574config I2C_PXA
d7c46ddd 575 tristate "Intel PXA2XX I2C adapter"
7e94dd15 576 depends on ARCH_PXA || ARCH_MMP || (X86_32 && PCI && OF)
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577 help
578 If you have devices in the PXA I2C bus, say yes to this option.
579 This driver can also be built as a module. If so, the module
580 will be called i2c-pxa.
581
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582config I2C_PXA_PCI
583 def_bool I2C_PXA && X86_32 && PCI && OF
584
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585config I2C_PXA_SLAVE
586 bool "Intel PXA2XX I2C Slave comms support"
7e94dd15 587 depends on I2C_PXA && !X86_32
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588 help
589 Support I2C slave mode communications on the PXA I2C bus. This
590 is necessary for systems where the PXA may be a target on the
591 I2C bus.
592
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593config HAVE_S3C2410_I2C
594 bool
595 help
596 This will include I2C support for Samsung SoCs. If you want to
597 include I2C support for any machine, kindly select this in the
598 respective Kconfig file.
599
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600config I2C_S3C2410
601 tristate "S3C2410 I2C Driver"
4b623926 602 depends on HAVE_S3C2410_I2C
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603 help
604 Say Y here to include support for I2C controller in the
4b623926 605 Samsung SoCs.
1da177e4 606
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607config I2C_S6000
608 tristate "S6000 I2C support"
609 depends on XTENSA_VARIANT_S6000
610 help
611 This driver supports the on chip I2C device on the
612 S6000 xtensa processor family.
613
614 To compile this driver as a module, choose M here. The module
615 will be called i2c-s6000.
616
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617config I2C_SH7760
618 tristate "Renesas SH7760 I2C Controller"
619 depends on CPU_SUBTYPE_SH7760
1da177e4 620 help
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621 This driver supports the 2 I2C interfaces on the Renesas SH7760.
622
623 This driver can also be built as a module. If so, the module
624 will be called i2c-sh7760.
625
626config I2C_SH_MOBILE
627 tristate "SuperH Mobile I2C Controller"
0924fada 628 depends on SUPERH || ARCH_SHMOBILE
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629 help
630 If you say yes to this option, support will be included for the
631 built-in I2C interface on the Renesas SH-Mobile processor.
632
633 This driver can also be built as a module. If so, the module
634 will be called i2c-sh_mobile.
1da177e4 635
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636config I2C_SIMTEC
637 tristate "Simtec Generic I2C interface"
638 select I2C_ALGOBIT
639 help
01dd2fbf 640 If you say yes to this option, support will be included for
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BD
641 the Simtec Generic I2C interface. This driver is for the
642 simple I2C bus used on newer Simtec products for general
643 I2C, such as DDC on the Simtec BBD2016A.
644
01dd2fbf 645 This driver can also be built as a module. If so, the module
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646 will be called i2c-simtec.
647
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648config I2C_SIRF
649 tristate "CSR SiRFprimaII I2C interface"
650 depends on ARCH_PRIMA2
651 help
652 If you say yes to this option, support will be included for the
653 CSR SiRFprimaII I2C interface.
654
655 This driver can also be built as a module. If so, the module
656 will be called i2c-sirf.
657
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658config I2C_STU300
659 tristate "ST Microelectronics DDC I2C interface"
4eaad8ad 660 depends on MACH_U300
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661 default y if MACH_U300
662 help
663 If you say yes to this option, support will be included for the
664 I2C interface from ST Microelectronics simply called "DDC I2C"
665 supporting both I2C and DDC, used in e.g. the U300 series
666 mobile platforms.
667
668 This driver can also be built as a module. If so, the module
669 will be called i2c-stu300.
670
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671config I2C_TEGRA
672 tristate "NVIDIA Tegra internal I2C controller"
673 depends on ARCH_TEGRA
674 help
675 If you say yes to this option, support will be included for the
676 I2C controller embedded in NVIDIA Tegra SOCs
677
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678config I2C_VERSATILE
679 tristate "ARM Versatile/Realview I2C bus support"
ceade897 680 depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS
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681 select I2C_ALGOBIT
682 help
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683 Say yes if you want to support the I2C serial bus on ARMs Versatile
684 range of platforms.
1da177e4 685
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686 This driver can also be built as a module. If so, the module
687 will be called i2c-versatile.
1da177e4 688
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689config I2C_OCTEON
690 tristate "Cavium OCTEON I2C bus support"
691 depends on CPU_CAVIUM_OCTEON
692 help
693 Say yes if you want to support the I2C serial bus on Cavium
694 OCTEON SOC.
695
696 This driver can also be built as a module. If so, the module
697 will be called i2c-octeon.
698
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RR
699config I2C_XILINX
700 tristate "Xilinx I2C Controller"
701 depends on EXPERIMENTAL && HAS_IOMEM
702 help
703 If you say yes to this option, support will be included for the
704 Xilinx I2C controller.
705
706 This driver can also be built as a module. If so, the module
707 will be called xilinx_i2c.
708
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709config I2C_XLR
710 tristate "XLR I2C support"
711 depends on CPU_XLR
712 help
713 This driver enables support for the on-chip I2C interface of
714 the Netlogic XLR/XLS MIPS processors.
715
716 This driver can also be built as a module. If so, the module
717 will be called i2c-xlr.
718
f5b728a1 719comment "External I2C/SMBus adapter drivers"
11de70bd 720
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721config I2C_DIOLAN_U2C
722 tristate "Diolan U2C-12 USB adapter"
723 depends on USB
724 help
725 If you say yes to this option, support will be included for Diolan
726 U2C-12, a USB to I2C interface.
727
728 This driver can also be built as a module. If so, the module
729 will be called i2c-diolan-u2c.
730
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731config I2C_PARPORT
732 tristate "Parallel port adapter"
733 depends on PARPORT
734 select I2C_ALGOBIT
35859254 735 select I2C_SMBUS
1da177e4 736 help
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737 This supports parallel port I2C adapters such as the ones made by
738 Philips or Velleman, Analog Devices evaluation boards, and more.
739 Basically any adapter using the parallel port as an I2C bus with
740 no extra chipset is supported by this driver, or could be.
1da177e4 741
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742 This driver is a replacement for (and was inspired by) an older
743 driver named i2c-philips-par. The new driver supports more devices,
744 and makes it easier to add support for new devices.
1da177e4 745
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746 An adapter type parameter is now mandatory. Please read the file
747 Documentation/i2c/busses/i2c-parport for details.
1da177e4 748
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749 Another driver exists, named i2c-parport-light, which doesn't depend
750 on the parport driver. This is meant for embedded systems. Don't say
751 Y here if you intend to say Y or M there.
1da177e4 752
4c03f68f 753 This support is also available as a module. If so, the module
f5b728a1 754 will be called i2c-parport.
1da177e4 755
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756config I2C_PARPORT_LIGHT
757 tristate "Parallel port adapter (light)"
758 select I2C_ALGOBIT
927ab2f8 759 select I2C_SMBUS
1da177e4 760 help
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761 This supports parallel port I2C adapters such as the ones made by
762 Philips or Velleman, Analog Devices evaluation boards, and more.
763 Basically any adapter using the parallel port as an I2C bus with
764 no extra chipset is supported by this driver, or could be.
1da177e4 765
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766 This driver is a light version of i2c-parport. It doesn't depend
767 on the parport driver, and uses direct I/O access instead. This
768 might be preferred on embedded systems where wasting memory for
769 the clean but heavy parport handling is not an option. The
770 drawback is a reduced portability and the impossibility to
771 daisy-chain other parallel port devices.
1da177e4 772
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773 Don't say Y here if you said Y or M to i2c-parport. Saying M to
774 both is possible but both modules should not be loaded at the same
775 time.
1da177e4 776
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777 This support is also available as a module. If so, the module
778 will be called i2c-parport-light.
1da177e4 779
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780config I2C_TAOS_EVM
781 tristate "TAOS evaluation module"
782 depends on EXPERIMENTAL
783 select SERIO
784 select SERIO_SERPORT
785 default n
786 help
787 This supports TAOS evaluation modules on serial port. In order to
788 use this driver, you will need the inputattach tool, which is part
789 of the input-utils package.
790
791 If unsure, say N.
792
793 This support is also available as a module. If so, the module
794 will be called i2c-taos-evm.
795
e8c76eed 796config I2C_TINY_USB
f5b728a1 797 tristate "Tiny-USB adapter"
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TH
798 depends on USB
799 help
800 If you say yes to this option, support will be included for the
801 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
802 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
803
804 This driver can also be built as a module. If so, the module
805 will be called i2c-tiny-usb.
806
f5b728a1 807comment "Other I2C/SMBus bus drivers"
6b65cd74 808
8d91cbad 809config I2C_ACORN
2a9915c8 810 tristate "Acorn IOC/IOMD I2C bus support"
16538e6b 811 depends on ARCH_ACORN
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RK
812 default y
813 select I2C_ALGOBIT
814 help
815 Say yes if you want to support the I2C bus on Acorn platforms.
816
817 If you don't know, say Y.
818
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819config I2C_ELEKTOR
820 tristate "Elektor ISA card"
9519282a 821 depends on ISA && HAS_IOPORT && BROKEN_ON_SMP
f5b728a1 822 select I2C_ALGOPCF
1da177e4 823 help
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824 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
825 such an adapter.
1da177e4 826
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827 This support is also available as a module. If so, the module
828 will be called i2c-elektor.
1da177e4
LT
829
830config I2C_PCA_ISA
eff9ec95 831 tristate "PCA9564/PCA9665 on an ISA bus"
16538e6b 832 depends on ISA
1da177e4 833 select I2C_ALGOPCA
aee62305 834 default n
1da177e4 835 help
eff9ec95 836 This driver supports ISA boards using the Philips PCA9564/PCA9665
244fbbb8 837 parallel bus to I2C bus controller.
4c03f68f 838
1da177e4
LT
839 This driver can also be built as a module. If so, the module
840 will be called i2c-pca-isa.
841
aee62305
JD
842 This device is almost undetectable and using this driver on a
843 system which doesn't have this device will result in long
844 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
845 time). If unsure, say N.
846
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847config I2C_SIBYTE
848 tristate "SiByte SMBus interface"
849 depends on SIBYTE_SB1xxx_SOC
a26c20b1 850 help
f5b728a1 851 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
a26c20b1 852
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853config I2C_STUB
854 tristate "I2C/SMBus Test Stub"
855 depends on EXPERIMENTAL && m
856 default 'n'
857 help
858 This module may be useful to developers of SMBus client drivers,
859 especially for certain kinds of sensor chips.
a26c20b1 860
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861 If you do build this module, be sure to read the notes and warnings
862 in <file:Documentation/i2c/i2c-stub>.
863
864 If you don't know what to do here, definitely say N.
865
866config SCx200_I2C
867 tristate "NatSemi SCx200 I2C using GPIO pins (DEPRECATED)"
868 depends on SCx200_GPIO
869 select I2C_ALGOBIT
da672773 870 help
f5b728a1 871 Enable the use of two GPIO pins of a SCx200 processor as an I2C bus.
da672773 872
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873 If you don't know what to do here, say N.
874
875 This support is also available as a module. If so, the module
876 will be called scx200_i2c.
877
878 This driver is deprecated and will be dropped soon. Use i2c-gpio
879 (or scx200_acb) instead.
880
881config SCx200_I2C_SCL
882 int "GPIO pin used for SCL"
883 depends on SCx200_I2C
884 default "12"
885 help
886 Enter the GPIO pin number used for the SCL signal. This value can
887 also be specified with a module parameter.
888
889config SCx200_I2C_SDA
890 int "GPIO pin used for SDA"
891 depends on SCx200_I2C
892 default "13"
893 help
894 Enter the GPIO pin number used for the SSA signal. This value can
895 also be specified with a module parameter.
896
897config SCx200_ACB
898 tristate "Geode ACCESS.bus support"
899 depends on X86_32 && PCI
900 help
901 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
902 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
903
904 If you don't know what to do here, say N.
905
906 This support is also available as a module. If so, the module
907 will be called scx200_acb.
da672773 908
1da177e4 909endmenu