i2c: designware: fix race between subsequent xfers
[linux-2.6-block.git] / drivers / i2c / busses / Kconfig
CommitLineData
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1#
2# Sensor device configuration
3#
4
5menu "I2C Hardware Bus support"
3ddb59d4 6 depends on HAS_IOMEM
1da177e4 7
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8comment "PC SMBus host controller drivers"
9 depends on PCI
10
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11config I2C_ALI1535
12 tristate "ALI 1535"
16538e6b 13 depends on PCI
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14 help
15 If you say yes to this option, support will be included for the SMB
16 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB
17 controller is part of the 7101 device, which is an ACPI-compliant
18 Power Management Unit (PMU).
19
20 This driver can also be built as a module. If so, the module
21 will be called i2c-ali1535.
22
23config I2C_ALI1563
24 tristate "ALI 1563"
417e86ce 25 depends on PCI
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26 help
27 If you say yes to this option, support will be included for the SMB
28 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB
29 controller is part of the 7101 device, which is an ACPI-compliant
30 Power Management Unit (PMU).
31
32 This driver can also be built as a module. If so, the module
33 will be called i2c-ali1563.
34
35config I2C_ALI15X3
36 tristate "ALI 15x3"
16538e6b 37 depends on PCI
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38 help
39 If you say yes to this option, support will be included for the
40 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
41
42 This driver can also be built as a module. If so, the module
43 will be called i2c-ali15x3.
44
45config I2C_AMD756
46 tristate "AMD 756/766/768/8111 and nVidia nForce"
16538e6b 47 depends on PCI
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48 help
49 If you say yes to this option, support will be included for the AMD
50 756/766/768 mainboard I2C interfaces. The driver also includes
51 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
52 the nVidia nForce I2C interface.
53
54 This driver can also be built as a module. If so, the module
55 will be called i2c-amd756.
56
57config I2C_AMD756_S4882
58 tristate "SMBus multiplexing on the Tyan S4882"
417e86ce 59 depends on I2C_AMD756 && X86
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60 help
61 Enabling this option will add specific SMBus support for the Tyan
62 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
63 over 8 different channels, where the various memory module EEPROMs
64 and temperature sensors live. Saying yes here will give you access
65 to these in addition to the trunk.
66
67 This driver can also be built as a module. If so, the module
68 will be called i2c-amd756-s4882.
69
70config I2C_AMD8111
71 tristate "AMD 8111"
16538e6b 72 depends on PCI
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73 help
74 If you say yes to this option, support will be included for the
75 second (SMBus 2.0) AMD 8111 mainboard I2C interface.
76
77 This driver can also be built as a module. If so, the module
78 will be called i2c-amd8111.
79
1da177e4 80config I2C_I801
39376434 81 tristate "Intel 82801 (ICH/PCH)"
16538e6b 82 depends on PCI
8eacfceb 83 select CHECK_SIGNATURE if X86 && DMI
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84 help
85 If you say yes to this option, support will be included for the Intel
86 801 family of mainboard I2C interfaces. Specifically, the following
87 versions of the chipset are supported:
88 82801AA
89 82801AB
90 82801BA
91 82801CA/CAM
92 82801DB
93 82801EB/ER (ICH5/ICH5R)
94 6300ESB
95 ICH6
96 ICH7
b0a70b57 97 ESB2
8254fc4a 98 ICH8
adbc2a10 99 ICH9
cb04e95b 100 EP80579 (Tolapai)
d28dc711 101 ICH10
cb04e95b 102 5/3400 Series (PCH)
662cda8a 103 6 Series (PCH)
e30d9859 104 Patsburg (PCH)
662cda8a 105 DH89xxCC (PCH)
6e2a851e 106 Panther Point (PCH)
062737fb 107 Lynx Point (PCH)
4a8f1ddd 108 Lynx Point-LP (PCH)
c2db409c 109 Avoton (SOC)
a3fc0ff0 110 Wellsburg (PCH)
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111
112 This driver can also be built as a module. If so, the module
113 will be called i2c-i801.
114
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115config I2C_ISCH
116 tristate "Intel SCH SMBus 1.0"
aaaf9cf7 117 depends on PCI && GENERIC_HARDIRQS
fd46a006 118 select LPC_SCH
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119 help
120 Say Y here if you want to use SMBus controller on the Intel SCH
121 based systems.
122
123 This driver can also be built as a module. If so, the module
124 will be called i2c-isch.
125
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126config I2C_ISMT
127 tristate "Intel iSMT SMBus Controller"
128 depends on PCI && X86
129 help
130 If you say yes to this option, support will be included for the Intel
131 iSMT SMBus host controller interface.
132
133 This driver can also be built as a module. If so, the module will be
134 called i2c-ismt.
135
1da177e4 136config I2C_PIIX4
76b3e28f 137 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
16538e6b 138 depends on PCI
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139 help
140 If you say yes to this option, support will be included for the Intel
141 PIIX4 family of mainboard I2C interfaces. Specifically, the following
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142 versions of the chipset are supported (note that Serverworks is part
143 of Broadcom):
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144 Intel PIIX4
145 Intel 440MX
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146 ATI IXP200
147 ATI IXP300
148 ATI IXP400
4e6697fc 149 ATI SB600
2a2f7404 150 ATI SB700/SP5100
60693e5a 151 ATI SB800
3806e94b 152 AMD Hudson-2
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153 Serverworks OSB4
154 Serverworks CSB5
155 Serverworks CSB6
5f7ea3c5 156 Serverworks HT-1000
506a8b6c 157 Serverworks HT-1100
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158 SMSC Victory66
159
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160 Some AMD chipsets contain two PIIX4-compatible SMBus
161 controllers. This driver will attempt to use both controllers
162 on the SB700/SP5100, if they have been initialized by the BIOS.
163
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164 This driver can also be built as a module. If so, the module
165 will be called i2c-piix4.
166
1da177e4 167config I2C_NFORCE2
5d740fe9 168 tristate "Nvidia nForce2, nForce3 and nForce4"
16538e6b 169 depends on PCI
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170 help
171 If you say yes to this option, support will be included for the Nvidia
5d740fe9 172 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
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173
174 This driver can also be built as a module. If so, the module
175 will be called i2c-nforce2.
176
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177config I2C_NFORCE2_S4985
178 tristate "SMBus multiplexing on the Tyan S4985"
417e86ce 179 depends on I2C_NFORCE2 && X86
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180 help
181 Enabling this option will add specific SMBus support for the Tyan
182 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
183 over 4 different channels, where the various memory module EEPROMs
184 live. Saying yes here will give you access to these in addition
185 to the trunk.
186
187 This driver can also be built as a module. If so, the module
188 will be called i2c-nforce2-s4985.
189
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190config I2C_SIS5595
191 tristate "SiS 5595"
192 depends on PCI
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193 help
194 If you say yes to this option, support will be included for the
f5b728a1 195 SiS5595 SMBus (a subset of I2C) interface.
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196
197 This driver can also be built as a module. If so, the module
f5b728a1 198 will be called i2c-sis5595.
18f98b1e 199
f5b728a1 200config I2C_SIS630
974d6a37 201 tristate "SiS 630/730/964"
f5b728a1 202 depends on PCI
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203 help
204 If you say yes to this option, support will be included for the
974d6a37 205 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
010d442c 206
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207 This driver can also be built as a module. If so, the module
208 will be called i2c-sis630.
209
210config I2C_SIS96X
211 tristate "SiS 96x"
212 depends on PCI
213 help
214 If you say yes to this option, support will be included for the SiS
215 96x SMBus (a subset of I2C) interfaces. Specifically, the following
216 chipsets are supported:
217 645/961
218 645DX/961
219 645DX/962
220 648/961
221 650/961
222 735
223 745
224
225 This driver can also be built as a module. If so, the module
226 will be called i2c-sis96x.
227
228config I2C_VIA
229 tristate "VIA VT82C586B"
417e86ce 230 depends on PCI
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231 select I2C_ALGOBIT
232 help
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233 If you say yes to this option, support will be included for the VIA
234 82C586B I2C interface
1da177e4 235
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236 This driver can also be built as a module. If so, the module
237 will be called i2c-via.
e97b81dd 238
f5b728a1 239config I2C_VIAPRO
01d56a6a 240 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
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241 depends on PCI
242 help
243 If you say yes to this option, support will be included for the VIA
244 VT82C596 and later SMBus interface. Specifically, the following
245 chipsets are supported:
246 VT82C596A/B
247 VT82C686A/B
248 VT8231
249 VT8233/A
250 VT8235
251 VT8237R/A/S
252 VT8251
253 CX700
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254 VX800/VX820
255 VX855/VX875
01d56a6a 256 VX900
e97b81dd 257
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258 This driver can also be built as a module. If so, the module
259 will be called i2c-viapro.
1da177e4 260
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261if ACPI
262
263comment "ACPI drivers"
264
265config I2C_SCMI
266 tristate "SMBus Control Method Interface"
267 help
268 This driver supports the SMBus Control Method Interface. It needs the
269 BIOS to declare ACPI control methods as described in the SMBus Control
270 Method Interface specification.
271
272 To compile this driver as a module, choose M here:
273 the module will be called i2c-scmi.
274
275endif # ACPI
276
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277comment "Mac SMBus host controller drivers"
278 depends on PPC_CHRP || PPC_PMAC
1da177e4 279
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280config I2C_HYDRA
281 tristate "CHRP Apple Hydra Mac I/O I2C interface"
417e86ce 282 depends on PCI && PPC_CHRP
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283 select I2C_ALGOBIT
284 help
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285 This supports the use of the I2C interface in the Apple Hydra Mac
286 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
287 have such a machine.
4c03f68f 288
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289 This support is also available as a module. If so, the module
290 will be called i2c-hydra.
291
292config I2C_POWERMAC
293 tristate "Powermac I2C interface"
294 depends on PPC_PMAC
295 default y
296 help
297 This exposes the various PowerMac i2c interfaces to the linux i2c
298 layer and to userland. It is used by various drivers on the PowerMac
299 platform, and should generally be enabled.
1da177e4 300
4c03f68f 301 This support is also available as a module. If so, the module
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302 will be called i2c-powermac.
303
304comment "I2C system bus drivers (mostly embedded / system-on-chip)"
305
306config I2C_AT91
307 tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
417e86ce 308 depends on ARCH_AT91
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309 help
310 This supports the use of the I2C interface on Atmel AT91
311 processors.
312
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313 A serious problem is that there is no documented way to issue
314 repeated START conditions for more than two messages, as needed
f5b728a1 315 to support combined I2C messages. Use the i2c-gpio driver
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316 unless your system can cope with this limitation.
317
318 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
319 don't have clock stretching in transmission mode. For that reason,
320 you can encounter underrun issues causing premature stop sendings if
321 the latency to fill the transmission register is too long. If you
322 are facing this situation, use the i2c-gpio driver.
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323
324config I2C_AU1550
809f36c6 325 tristate "Au1550/Au1200/Au1300 SMBus interface"
37663860 326 depends on MIPS_ALCHEMY
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327 help
328 If you say yes to this option, support will be included for the
809f36c6 329 Au1550/Au1200/Au1300 SMBus interface.
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330
331 This driver can also be built as a module. If so, the module
332 will be called i2c-au1550.
333
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334config I2C_BCM2835
335 tristate "Broadcom BCM2835 I2C controller"
336 depends on ARCH_BCM2835
337 help
338 If you say yes to this option, support will be included for the
339 BCM2835 I2C controller.
340
341 If you don't know what to do here, say N.
342
343 This support is also available as a module. If so, the module
344 will be called i2c-bcm2835.
345
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346config I2C_BLACKFIN_TWI
347 tristate "Blackfin TWI I2C support"
348 depends on BLACKFIN
349 depends on !BF561 && !BF531 && !BF532 && !BF533
350 help
351 This is the I2C bus driver for Blackfin on-chip TWI interface.
352
353 This driver can also be built as a module. If so, the module
354 will be called i2c-bfin-twi.
355
356config I2C_BLACKFIN_TWI_CLK_KHZ
357 int "Blackfin TWI I2C clock (kHz)"
358 depends on I2C_BLACKFIN_TWI
9528d1c7 359 range 21 400
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360 default 50
361 help
362 The unit of the TWI clock is kHz.
363
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364config I2C_CBUS_GPIO
365 tristate "CBUS I2C driver"
76ec9d18 366 depends on GPIOLIB
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367 help
368 Support for CBUS access using I2C API. Mostly relevant for Nokia
369 Internet Tablets (770, N800 and N810).
370
371 This driver can also be built as a module. If so, the module
372 will be called i2c-cbus-gpio.
373
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374config I2C_CPM
375 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
376 depends on (CPM1 || CPM2) && OF_I2C
377 help
378 This supports the use of the I2C interface on Freescale
379 processors with CPM1 or CPM2.
380
381 This driver can also be built as a module. If so, the module
382 will be called i2c-cpm.
383
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384config I2C_DAVINCI
385 tristate "DaVinci I2C driver"
386 depends on ARCH_DAVINCI
387 help
388 Support for TI DaVinci I2C controller driver.
389
390 This driver can also be built as a module. If so, the module
391 will be called i2c-davinci.
392
393 Please note that this driver might be needed to bring up other
394 devices such as DaVinci NIC.
395 For details please see http://www.ti.com/davinci
396
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397config I2C_DESIGNWARE_CORE
398 tristate
399
2373f6b9 400config I2C_DESIGNWARE_PLATFORM
6b2aac42 401 tristate "Synopsys DesignWare Platform"
47749b14 402 depends on HAVE_CLK
e68bb91b 403 select I2C_DESIGNWARE_CORE
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404 help
405 If you say yes to this option, support will be included for the
406 Synopsys DesignWare I2C adapter. Only master mode is supported.
407
408 This driver can also be built as a module. If so, the module
2373f6b9 409 will be called i2c-designware-platform.
1ab52cf9 410
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411config I2C_DESIGNWARE_PCI
412 tristate "Synopsys DesignWare PCI"
413 depends on PCI
e68bb91b 414 select I2C_DESIGNWARE_CORE
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415 help
416 If you say yes to this option, support will be included for the
417 Synopsys DesignWare I2C adapter. Only master mode is supported.
418
419 This driver can also be built as a module. If so, the module
420 will be called i2c-designware-pci.
1ab52cf9 421
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422config I2C_EG20T
423 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
424 depends on PCI
425 help
426 This driver is for PCH(Platform controller Hub) I2C of EG20T which
427 is an IOH(Input/Output Hub) for x86 embedded processor.
428 This driver can access PCH I2C bus device.
429
430 This driver also can be used for LAPIS Semiconductor IOH(Input/
431 Output Hub), ML7213, ML7223 and ML7831.
432 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
433 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
434 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
435 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
436
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437config I2C_GPIO
438 tristate "GPIO-based bitbanging I2C"
76ec9d18 439 depends on GPIOLIB
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440 select I2C_ALGOBIT
441 help
442 This is a very simple bitbanging I2C driver utilizing the
443 arch-neutral GPIO API to control the SCL and SDA lines.
444
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445config I2C_HIGHLANDER
446 tristate "Highlander FPGA SMBus interface"
447 depends on SH_HIGHLANDER
448 help
449 If you say yes to this option, support will be included for
450 the SMBus interface located in the FPGA on various Highlander
451 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
452 FPGAs. This is wholly unrelated to the SoC I2C.
453
454 This driver can also be built as a module. If so, the module
455 will be called i2c-highlander.
456
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457config I2C_IBM_IIC
458 tristate "IBM PPC 4xx on-chip I2C interface"
459 depends on 4xx
460 help
461 Say Y here if you want to use IIC peripheral found on
462 embedded IBM PPC 4xx based systems.
463
464 This driver can also be built as a module. If so, the module
465 will be called i2c-ibm_iic.
466
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467config I2C_IMX
468 tristate "IMX I2C interface"
469 depends on ARCH_MXC
470 help
471 Say Y here if you want to use the IIC bus controller on
472 the Freescale i.MX/MXC processors.
473
474 This driver can also be built as a module. If so, the module
475 will be called i2c-imx.
476
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477config I2C_IOP3XX
478 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
479 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
480 help
481 Say Y here if you want to use the IIC bus controller on
482 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
483
484 This driver can also be built as a module. If so, the module
485 will be called i2c-iop3xx.
486
f5b728a1 487config I2C_MPC
f00d738f 488 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
0724d464 489 depends on PPC
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490 help
491 If you say yes to this option, support will be included for the
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492 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
493 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
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494
495 This driver can also be built as a module. If so, the module
496 will be called i2c-mpc.
497
498config I2C_MV64XXX
499 tristate "Marvell mv64xxx I2C Controller"
097df403 500 depends on (MV64X60 || PLAT_ORION)
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501 help
502 If you say yes to this option, support will be included for the
503 built-in I2C interface on the Marvell 64xxx line of host bridges.
504
505 This driver can also be built as a module. If so, the module
506 will be called i2c-mv64xxx.
507
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508config I2C_MXS
509 tristate "Freescale i.MX28 I2C interface"
510 depends on SOC_IMX28
6b866c15 511 select STMP_DEVICE
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512 help
513 Say Y here if you want to use the I2C bus controller on
514 the Freescale i.MX28 processors.
515
516 This driver can also be built as a module. If so, the module
517 will be called i2c-mxs.
518
3f9900f1 519config I2C_NOMADIK
520 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
419408ed 521 depends on ARM_AMBA
3f9900f1 522 help
523 If you say yes to this option, support will be included for the
419408ed
AR
524 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
525 as well as the STA2X11 PCIe I/O HUB.
3f9900f1 526
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527config I2C_NUC900
528 tristate "NUC900 I2C Driver"
529 depends on ARCH_W90X900
530 help
531 Say Y here to include support for I2C controller in the
532 Winbond/Nuvoton NUC900 based System-on-Chip devices.
533
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534config I2C_OCORES
535 tristate "OpenCores I2C Controller"
aaaf9cf7 536 depends on GENERIC_HARDIRQS
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537 help
538 If you say yes to this option, support will be included for the
539 OpenCores I2C controller. For details see
540 http://www.opencores.org/projects.cgi/web/i2c/overview
541
542 This driver can also be built as a module. If so, the module
543 will be called i2c-ocores.
544
545config I2C_OMAP
546 tristate "OMAP I2C adapter"
547 depends on ARCH_OMAP
548 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
549 help
550 If you say yes to this option, support will be included for the
551 I2C interface on the Texas Instruments OMAP1/2 family of processors.
552 Like OMAP1510/1610/1710/5912 and OMAP242x.
553 For details see http://www.ti.com/omap.
1da177e4 554
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555config I2C_PASEMI
556 tristate "PA Semi SMBus interface"
16538e6b 557 depends on PPC_PASEMI && PCI
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558 help
559 Supports the PA Semi PWRficient on-chip SMBus interfaces.
560
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561config I2C_PCA_PLATFORM
562 tristate "PCA9564/PCA9665 as platform device"
563 select I2C_ALGOPCA
564 default n
565 help
566 This driver supports a memory mapped Philips PCA9564/PCA9665
567 parallel bus to I2C bus controller.
568
569 This driver can also be built as a module. If so, the module
570 will be called i2c-pca-platform.
571
572config I2C_PMCMSP
573 tristate "PMC MSP I2C TWI Controller"
574 depends on PMC_MSP
575 help
576 This driver supports the PMC TWI controller on MSP devices.
577
578 This driver can also be built as module. If so, the module
579 will be called i2c-pmcmsp.
580
f5b728a1 581config I2C_PNX
c115167a 582 tristate "I2C bus support for Philips PNX and NXP LPC targets"
d684f05f 583 depends on ARCH_LPC32XX
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584 help
585 This driver supports the Philips IP3204 I2C IP block master and/or
586 slave controller
587
588 This driver can also be built as a module. If so, the module
589 will be called i2c-pnx.
590
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591config I2C_PUV3
592 tristate "PKUnity v3 I2C bus support"
593 depends on UNICORE32 && ARCH_PUV3
594 select I2C_ALGOBIT
595 help
596 This driver supports the I2C IP inside the PKUnity-v3 SoC.
597 This I2C bus controller is under AMBA/AXI bus.
598
599 This driver can also be built as a module. If so, the module
600 will be called i2c-puv3.
601
f5b728a1 602config I2C_PXA
d7c46ddd 603 tristate "Intel PXA2XX I2C adapter"
7e94dd15 604 depends on ARCH_PXA || ARCH_MMP || (X86_32 && PCI && OF)
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605 help
606 If you have devices in the PXA I2C bus, say yes to this option.
607 This driver can also be built as a module. If so, the module
608 will be called i2c-pxa.
609
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610config I2C_PXA_PCI
611 def_bool I2C_PXA && X86_32 && PCI && OF
612
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613config I2C_PXA_SLAVE
614 bool "Intel PXA2XX I2C Slave comms support"
7e94dd15 615 depends on I2C_PXA && !X86_32
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616 help
617 Support I2C slave mode communications on the PXA I2C bus. This
618 is necessary for systems where the PXA may be a target on the
619 I2C bus.
620
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621config HAVE_S3C2410_I2C
622 bool
623 help
624 This will include I2C support for Samsung SoCs. If you want to
625 include I2C support for any machine, kindly select this in the
626 respective Kconfig file.
627
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628config I2C_S3C2410
629 tristate "S3C2410 I2C Driver"
4b623926 630 depends on HAVE_S3C2410_I2C
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631 help
632 Say Y here to include support for I2C controller in the
4b623926 633 Samsung SoCs.
1da177e4 634
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635config I2C_S6000
636 tristate "S6000 I2C support"
637 depends on XTENSA_VARIANT_S6000
638 help
639 This driver supports the on chip I2C device on the
640 S6000 xtensa processor family.
641
642 To compile this driver as a module, choose M here. The module
643 will be called i2c-s6000.
644
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645config I2C_SH7760
646 tristate "Renesas SH7760 I2C Controller"
647 depends on CPU_SUBTYPE_SH7760
1da177e4 648 help
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649 This driver supports the 2 I2C interfaces on the Renesas SH7760.
650
651 This driver can also be built as a module. If so, the module
652 will be called i2c-sh7760.
653
654config I2C_SH_MOBILE
655 tristate "SuperH Mobile I2C Controller"
0924fada 656 depends on SUPERH || ARCH_SHMOBILE
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657 help
658 If you say yes to this option, support will be included for the
659 built-in I2C interface on the Renesas SH-Mobile processor.
660
661 This driver can also be built as a module. If so, the module
662 will be called i2c-sh_mobile.
1da177e4 663
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664config I2C_SIMTEC
665 tristate "Simtec Generic I2C interface"
666 select I2C_ALGOBIT
667 help
01dd2fbf 668 If you say yes to this option, support will be included for
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BD
669 the Simtec Generic I2C interface. This driver is for the
670 simple I2C bus used on newer Simtec products for general
671 I2C, such as DDC on the Simtec BBD2016A.
672
01dd2fbf 673 This driver can also be built as a module. If so, the module
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BD
674 will be called i2c-simtec.
675
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676config I2C_SIRF
677 tristate "CSR SiRFprimaII I2C interface"
678 depends on ARCH_PRIMA2
679 help
680 If you say yes to this option, support will be included for the
681 CSR SiRFprimaII I2C interface.
682
683 This driver can also be built as a module. If so, the module
684 will be called i2c-sirf.
685
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686config I2C_STU300
687 tristate "ST Microelectronics DDC I2C interface"
4eaad8ad 688 depends on MACH_U300
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689 default y if MACH_U300
690 help
691 If you say yes to this option, support will be included for the
692 I2C interface from ST Microelectronics simply called "DDC I2C"
693 supporting both I2C and DDC, used in e.g. the U300 series
694 mobile platforms.
695
696 This driver can also be built as a module. If so, the module
697 will be called i2c-stu300.
698
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699config I2C_TEGRA
700 tristate "NVIDIA Tegra internal I2C controller"
701 depends on ARCH_TEGRA
702 help
703 If you say yes to this option, support will be included for the
704 I2C controller embedded in NVIDIA Tegra SOCs
705
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706config I2C_VERSATILE
707 tristate "ARM Versatile/Realview I2C bus support"
ceade897 708 depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS
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709 select I2C_ALGOBIT
710 help
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711 Say yes if you want to support the I2C serial bus on ARMs Versatile
712 range of platforms.
1da177e4 713
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714 This driver can also be built as a module. If so, the module
715 will be called i2c-versatile.
1da177e4 716
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717config I2C_OCTEON
718 tristate "Cavium OCTEON I2C bus support"
719 depends on CPU_CAVIUM_OCTEON
720 help
721 Say yes if you want to support the I2C serial bus on Cavium
722 OCTEON SOC.
723
724 This driver can also be built as a module. If so, the module
725 will be called i2c-octeon.
726
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RR
727config I2C_XILINX
728 tristate "Xilinx I2C Controller"
417e86ce 729 depends on HAS_IOMEM
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730 help
731 If you say yes to this option, support will be included for the
732 Xilinx I2C controller.
733
734 This driver can also be built as a module. If so, the module
735 will be called xilinx_i2c.
736
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737config I2C_XLR
738 tristate "XLR I2C support"
739 depends on CPU_XLR
740 help
741 This driver enables support for the on-chip I2C interface of
742 the Netlogic XLR/XLS MIPS processors.
743
744 This driver can also be built as a module. If so, the module
745 will be called i2c-xlr.
746
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KM
747config I2C_RCAR
748 tristate "Renesas R-Car I2C Controller"
749 depends on ARCH_SHMOBILE && I2C
750 help
751 If you say yes to this option, support will be included for the
752 R-Car I2C controller.
753
754 This driver can also be built as a module. If so, the module
755 will be called i2c-rcar.
756
f5b728a1 757comment "External I2C/SMBus adapter drivers"
11de70bd 758
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GR
759config I2C_DIOLAN_U2C
760 tristate "Diolan U2C-12 USB adapter"
761 depends on USB
762 help
763 If you say yes to this option, support will be included for Diolan
764 U2C-12, a USB to I2C interface.
765
766 This driver can also be built as a module. If so, the module
767 will be called i2c-diolan-u2c.
768
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769config I2C_PARPORT
770 tristate "Parallel port adapter"
aaaf9cf7 771 depends on PARPORT && GENERIC_HARDIRQS
f5b728a1 772 select I2C_ALGOBIT
35859254 773 select I2C_SMBUS
1da177e4 774 help
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775 This supports parallel port I2C adapters such as the ones made by
776 Philips or Velleman, Analog Devices evaluation boards, and more.
777 Basically any adapter using the parallel port as an I2C bus with
778 no extra chipset is supported by this driver, or could be.
1da177e4 779
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780 This driver is a replacement for (and was inspired by) an older
781 driver named i2c-philips-par. The new driver supports more devices,
782 and makes it easier to add support for new devices.
1da177e4 783
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784 An adapter type parameter is now mandatory. Please read the file
785 Documentation/i2c/busses/i2c-parport for details.
1da177e4 786
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787 Another driver exists, named i2c-parport-light, which doesn't depend
788 on the parport driver. This is meant for embedded systems. Don't say
789 Y here if you intend to say Y or M there.
1da177e4 790
4c03f68f 791 This support is also available as a module. If so, the module
f5b728a1 792 will be called i2c-parport.
1da177e4 793
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794config I2C_PARPORT_LIGHT
795 tristate "Parallel port adapter (light)"
aaaf9cf7 796 depends on GENERIC_HARDIRQS
f5b728a1 797 select I2C_ALGOBIT
927ab2f8 798 select I2C_SMBUS
1da177e4 799 help
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800 This supports parallel port I2C adapters such as the ones made by
801 Philips or Velleman, Analog Devices evaluation boards, and more.
802 Basically any adapter using the parallel port as an I2C bus with
803 no extra chipset is supported by this driver, or could be.
1da177e4 804
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805 This driver is a light version of i2c-parport. It doesn't depend
806 on the parport driver, and uses direct I/O access instead. This
807 might be preferred on embedded systems where wasting memory for
808 the clean but heavy parport handling is not an option. The
809 drawback is a reduced portability and the impossibility to
810 daisy-chain other parallel port devices.
1da177e4 811
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812 Don't say Y here if you said Y or M to i2c-parport. Saying M to
813 both is possible but both modules should not be loaded at the same
814 time.
1da177e4 815
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816 This support is also available as a module. If so, the module
817 will be called i2c-parport-light.
1da177e4 818
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819config I2C_TAOS_EVM
820 tristate "TAOS evaluation module"
21eaab6d 821 depends on TTY
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JD
822 select SERIO
823 select SERIO_SERPORT
824 default n
825 help
826 This supports TAOS evaluation modules on serial port. In order to
827 use this driver, you will need the inputattach tool, which is part
828 of the input-utils package.
829
830 If unsure, say N.
831
832 This support is also available as a module. If so, the module
833 will be called i2c-taos-evm.
834
e8c76eed 835config I2C_TINY_USB
f5b728a1 836 tristate "Tiny-USB adapter"
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TH
837 depends on USB
838 help
839 If you say yes to this option, support will be included for the
840 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
841 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
842
843 This driver can also be built as a module. If so, the module
844 will be called i2c-tiny-usb.
845
174a13aa
LP
846config I2C_VIPERBOARD
847 tristate "Viperboard I2C master support"
848 depends on MFD_VIPERBOARD && USB
849 help
850 Say yes here to access the I2C part of the Nano River
851 Technologies Viperboard as I2C master.
852 See viperboard API specification and Nano
853 River Tech's viperboard.h for detailed meaning
854 of the module parameters.
855
f5b728a1 856comment "Other I2C/SMBus bus drivers"
6b65cd74 857
8d91cbad 858config I2C_ACORN
2a9915c8 859 tristate "Acorn IOC/IOMD I2C bus support"
16538e6b 860 depends on ARCH_ACORN
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RK
861 default y
862 select I2C_ALGOBIT
863 help
864 Say yes if you want to support the I2C bus on Acorn platforms.
865
866 If you don't know, say Y.
867
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868config I2C_ELEKTOR
869 tristate "Elektor ISA card"
9519282a 870 depends on ISA && HAS_IOPORT && BROKEN_ON_SMP
f5b728a1 871 select I2C_ALGOPCF
1da177e4 872 help
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JD
873 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
874 such an adapter.
1da177e4 875
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JD
876 This support is also available as a module. If so, the module
877 will be called i2c-elektor.
1da177e4
LT
878
879config I2C_PCA_ISA
eff9ec95 880 tristate "PCA9564/PCA9665 on an ISA bus"
16538e6b 881 depends on ISA
1da177e4 882 select I2C_ALGOPCA
aee62305 883 default n
1da177e4 884 help
eff9ec95 885 This driver supports ISA boards using the Philips PCA9564/PCA9665
244fbbb8 886 parallel bus to I2C bus controller.
4c03f68f 887
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LT
888 This driver can also be built as a module. If so, the module
889 will be called i2c-pca-isa.
890
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JD
891 This device is almost undetectable and using this driver on a
892 system which doesn't have this device will result in long
893 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
894 time). If unsure, say N.
895
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896config I2C_SIBYTE
897 tristate "SiByte SMBus interface"
898 depends on SIBYTE_SB1xxx_SOC
a26c20b1 899 help
f5b728a1 900 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
a26c20b1 901
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902config SCx200_I2C
903 tristate "NatSemi SCx200 I2C using GPIO pins (DEPRECATED)"
904 depends on SCx200_GPIO
905 select I2C_ALGOBIT
da672773 906 help
f5b728a1 907 Enable the use of two GPIO pins of a SCx200 processor as an I2C bus.
da672773 908
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909 If you don't know what to do here, say N.
910
911 This support is also available as a module. If so, the module
912 will be called scx200_i2c.
913
914 This driver is deprecated and will be dropped soon. Use i2c-gpio
915 (or scx200_acb) instead.
916
917config SCx200_I2C_SCL
918 int "GPIO pin used for SCL"
919 depends on SCx200_I2C
920 default "12"
921 help
922 Enter the GPIO pin number used for the SCL signal. This value can
923 also be specified with a module parameter.
924
925config SCx200_I2C_SDA
926 int "GPIO pin used for SDA"
927 depends on SCx200_I2C
928 default "13"
929 help
930 Enter the GPIO pin number used for the SSA signal. This value can
931 also be specified with a module parameter.
932
933config SCx200_ACB
934 tristate "Geode ACCESS.bus support"
935 depends on X86_32 && PCI
936 help
937 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
938 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
939
940 If you don't know what to do here, say N.
941
942 This support is also available as a module. If so, the module
943 will be called scx200_acb.
da672773 944
1da177e4 945endmenu