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1 #
2 # Sensor device configuration
3 #
4
5 menu "I2C Hardware Bus support"
6 depends on HAS_IOMEM
7
8 comment "PC SMBus host controller drivers"
9 depends on PCI
10
11 config I2C_ALI1535
12 tristate "ALI 1535"
13 depends on PCI
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
23 config I2C_ALI1563
24 tristate "ALI 1563"
25 depends on PCI
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
35 config I2C_ALI15X3
36 tristate "ALI 15x3"
37 depends on PCI
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
45 config I2C_AMD756
46 tristate "AMD 756/766/768/8111 and nVidia nForce"
47 depends on PCI
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
57 config I2C_AMD756_S4882
58 tristate "SMBus multiplexing on the Tyan S4882"
59 depends on I2C_AMD756 && X86
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
70 config I2C_AMD8111
71 tristate "AMD 8111"
72 depends on PCI
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
80 config I2C_HIX5HD2
81 tristate "Hix5hd2 high-speed I2C driver"
82 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
83 help
84 Say Y here to include support for the high-speed I2C controller
85 used in HiSilicon hix5hd2 SoCs.
86
87 This driver can also be built as a module. If so, the module
88 will be called i2c-hix5hd2.
89
90 config I2C_I801
91 tristate "Intel 82801 (ICH/PCH)"
92 depends on PCI
93 select CHECK_SIGNATURE if X86 && DMI
94 select I2C_SMBUS
95 help
96 If you say yes to this option, support will be included for the Intel
97 801 family of mainboard I2C interfaces. Specifically, the following
98 versions of the chipset are supported:
99 82801AA
100 82801AB
101 82801BA
102 82801CA/CAM
103 82801DB
104 82801EB/ER (ICH5/ICH5R)
105 6300ESB
106 ICH6
107 ICH7
108 ESB2
109 ICH8
110 ICH9
111 EP80579 (Tolapai)
112 ICH10
113 5/3400 Series (PCH)
114 6 Series (PCH)
115 Patsburg (PCH)
116 DH89xxCC (PCH)
117 Panther Point (PCH)
118 Lynx Point (PCH)
119 Lynx Point-LP (PCH)
120 Avoton (SOC)
121 Wellsburg (PCH)
122 Coleto Creek (PCH)
123 Wildcat Point (PCH)
124 Wildcat Point-LP (PCH)
125 BayTrail (SOC)
126 Sunrise Point-H (PCH)
127 Sunrise Point-LP (PCH)
128 DNV (SOC)
129 Broxton (SOC)
130 Lewisburg (PCH)
131
132 This driver can also be built as a module. If so, the module
133 will be called i2c-i801.
134
135 config I2C_ISCH
136 tristate "Intel SCH SMBus 1.0"
137 depends on PCI
138 select LPC_SCH
139 help
140 Say Y here if you want to use SMBus controller on the Intel SCH
141 based systems.
142
143 This driver can also be built as a module. If so, the module
144 will be called i2c-isch.
145
146 config I2C_ISMT
147 tristate "Intel iSMT SMBus Controller"
148 depends on PCI && X86
149 help
150 If you say yes to this option, support will be included for the Intel
151 iSMT SMBus host controller interface.
152
153 This driver can also be built as a module. If so, the module will be
154 called i2c-ismt.
155
156 config I2C_PIIX4
157 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
158 depends on PCI
159 help
160 If you say yes to this option, support will be included for the Intel
161 PIIX4 family of mainboard I2C interfaces. Specifically, the following
162 versions of the chipset are supported (note that Serverworks is part
163 of Broadcom):
164 Intel PIIX4
165 Intel 440MX
166 ATI IXP200
167 ATI IXP300
168 ATI IXP400
169 ATI SB600
170 ATI SB700/SP5100
171 ATI SB800
172 AMD Hudson-2
173 AMD ML
174 AMD CZ
175 Serverworks OSB4
176 Serverworks CSB5
177 Serverworks CSB6
178 Serverworks HT-1000
179 Serverworks HT-1100
180 SMSC Victory66
181
182 Some AMD chipsets contain two PIIX4-compatible SMBus
183 controllers. This driver will attempt to use both controllers
184 on the SB700/SP5100, if they have been initialized by the BIOS.
185
186 This driver can also be built as a module. If so, the module
187 will be called i2c-piix4.
188
189 config I2C_NFORCE2
190 tristate "Nvidia nForce2, nForce3 and nForce4"
191 depends on PCI
192 help
193 If you say yes to this option, support will be included for the Nvidia
194 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
195
196 This driver can also be built as a module. If so, the module
197 will be called i2c-nforce2.
198
199 config I2C_NFORCE2_S4985
200 tristate "SMBus multiplexing on the Tyan S4985"
201 depends on I2C_NFORCE2 && X86
202 help
203 Enabling this option will add specific SMBus support for the Tyan
204 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
205 over 4 different channels, where the various memory module EEPROMs
206 live. Saying yes here will give you access to these in addition
207 to the trunk.
208
209 This driver can also be built as a module. If so, the module
210 will be called i2c-nforce2-s4985.
211
212 config I2C_SIS5595
213 tristate "SiS 5595"
214 depends on PCI
215 help
216 If you say yes to this option, support will be included for the
217 SiS5595 SMBus (a subset of I2C) interface.
218
219 This driver can also be built as a module. If so, the module
220 will be called i2c-sis5595.
221
222 config I2C_SIS630
223 tristate "SiS 630/730/964"
224 depends on PCI
225 help
226 If you say yes to this option, support will be included for the
227 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
228
229 This driver can also be built as a module. If so, the module
230 will be called i2c-sis630.
231
232 config I2C_SIS96X
233 tristate "SiS 96x"
234 depends on PCI
235 help
236 If you say yes to this option, support will be included for the SiS
237 96x SMBus (a subset of I2C) interfaces. Specifically, the following
238 chipsets are supported:
239 645/961
240 645DX/961
241 645DX/962
242 648/961
243 650/961
244 735
245 745
246
247 This driver can also be built as a module. If so, the module
248 will be called i2c-sis96x.
249
250 config I2C_VIA
251 tristate "VIA VT82C586B"
252 depends on PCI
253 select I2C_ALGOBIT
254 help
255 If you say yes to this option, support will be included for the VIA
256 82C586B I2C interface
257
258 This driver can also be built as a module. If so, the module
259 will be called i2c-via.
260
261 config I2C_VIAPRO
262 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
263 depends on PCI
264 help
265 If you say yes to this option, support will be included for the VIA
266 VT82C596 and later SMBus interface. Specifically, the following
267 chipsets are supported:
268 VT82C596A/B
269 VT82C686A/B
270 VT8231
271 VT8233/A
272 VT8235
273 VT8237R/A/S
274 VT8251
275 CX700
276 VX800/VX820
277 VX855/VX875
278 VX900
279
280 This driver can also be built as a module. If so, the module
281 will be called i2c-viapro.
282
283 if ACPI
284
285 comment "ACPI drivers"
286
287 config I2C_SCMI
288 tristate "SMBus Control Method Interface"
289 help
290 This driver supports the SMBus Control Method Interface. It needs the
291 BIOS to declare ACPI control methods as described in the SMBus Control
292 Method Interface specification.
293
294 To compile this driver as a module, choose M here:
295 the module will be called i2c-scmi.
296
297 endif # ACPI
298
299 comment "Mac SMBus host controller drivers"
300 depends on PPC_CHRP || PPC_PMAC
301
302 config I2C_HYDRA
303 tristate "CHRP Apple Hydra Mac I/O I2C interface"
304 depends on PCI && PPC_CHRP
305 select I2C_ALGOBIT
306 help
307 This supports the use of the I2C interface in the Apple Hydra Mac
308 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
309 have such a machine.
310
311 This support is also available as a module. If so, the module
312 will be called i2c-hydra.
313
314 config I2C_POWERMAC
315 tristate "Powermac I2C interface"
316 depends on PPC_PMAC
317 default y
318 help
319 This exposes the various PowerMac i2c interfaces to the linux i2c
320 layer and to userland. It is used by various drivers on the PowerMac
321 platform, and should generally be enabled.
322
323 This support is also available as a module. If so, the module
324 will be called i2c-powermac.
325
326 comment "I2C system bus drivers (mostly embedded / system-on-chip)"
327
328 config I2C_AT91
329 tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
330 depends on ARCH_AT91
331 help
332 This supports the use of the I2C interface on Atmel AT91
333 processors.
334
335 A serious problem is that there is no documented way to issue
336 repeated START conditions for more than two messages, as needed
337 to support combined I2C messages. Use the i2c-gpio driver
338 unless your system can cope with this limitation.
339
340 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
341 don't have clock stretching in transmission mode. For that reason,
342 you can encounter underrun issues causing premature stop sendings if
343 the latency to fill the transmission register is too long. If you
344 are facing this situation, use the i2c-gpio driver.
345
346 config I2C_AU1550
347 tristate "Au1550/Au1200/Au1300 SMBus interface"
348 depends on MIPS_ALCHEMY
349 help
350 If you say yes to this option, support will be included for the
351 Au1550/Au1200/Au1300 SMBus interface.
352
353 This driver can also be built as a module. If so, the module
354 will be called i2c-au1550.
355
356 config I2C_AXXIA
357 tristate "Axxia I2C controller"
358 depends on ARCH_AXXIA || COMPILE_TEST
359 default ARCH_AXXIA
360 help
361 Say yes if you want to support the I2C bus on Axxia platforms.
362
363 Please note that this controller is limited to transfers of maximum
364 255 bytes in length. Any attempt to to a larger transfer will return
365 an error.
366
367 config I2C_BCM2835
368 tristate "Broadcom BCM2835 I2C controller"
369 depends on ARCH_BCM2835
370 help
371 If you say yes to this option, support will be included for the
372 BCM2835 I2C controller.
373
374 If you don't know what to do here, say N.
375
376 This support is also available as a module. If so, the module
377 will be called i2c-bcm2835.
378
379 config I2C_BCM_IPROC
380 tristate "Broadcom iProc I2C controller"
381 depends on ARCH_BCM_IPROC || COMPILE_TEST
382 default ARCH_BCM_IPROC
383 help
384 If you say yes to this option, support will be included for the
385 Broadcom iProc I2C controller.
386
387 If you don't know what to do here, say N.
388
389 config I2C_BCM_KONA
390 tristate "BCM Kona I2C adapter"
391 depends on ARCH_BCM_MOBILE
392 default y
393 help
394 If you say yes to this option, support will be included for the
395 I2C interface on the Broadcom Kona family of processors.
396
397 If you do not need KONA I2C interface, say N.
398
399 config I2C_BRCMSTB
400 tristate "BRCM Settop I2C controller"
401 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
402 default y
403 help
404 If you say yes to this option, support will be included for the
405 I2C interface on the Broadcom Settop SoCs.
406
407 If you do not need I2C interface, say N.
408
409 config I2C_BLACKFIN_TWI
410 tristate "Blackfin TWI I2C support"
411 depends on BLACKFIN
412 depends on !BF561 && !BF531 && !BF532 && !BF533
413 help
414 This is the I2C bus driver for Blackfin on-chip TWI interface.
415
416 This driver can also be built as a module. If so, the module
417 will be called i2c-bfin-twi.
418
419 config I2C_BLACKFIN_TWI_CLK_KHZ
420 int "Blackfin TWI I2C clock (kHz)"
421 depends on I2C_BLACKFIN_TWI
422 range 21 400
423 default 50
424 help
425 The unit of the TWI clock is kHz.
426
427 config I2C_CADENCE
428 tristate "Cadence I2C Controller"
429 depends on ARCH_ZYNQ || ARM64 || XTENSA
430 help
431 Say yes here to select Cadence I2C Host Controller. This controller is
432 e.g. used by Xilinx Zynq.
433
434 config I2C_CBUS_GPIO
435 tristate "CBUS I2C driver"
436 depends on GPIOLIB || COMPILE_TEST
437 help
438 Support for CBUS access using I2C API. Mostly relevant for Nokia
439 Internet Tablets (770, N800 and N810).
440
441 This driver can also be built as a module. If so, the module
442 will be called i2c-cbus-gpio.
443
444 config I2C_CPM
445 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
446 depends on CPM1 || CPM2
447 help
448 This supports the use of the I2C interface on Freescale
449 processors with CPM1 or CPM2.
450
451 This driver can also be built as a module. If so, the module
452 will be called i2c-cpm.
453
454 config I2C_DAVINCI
455 tristate "DaVinci I2C driver"
456 depends on ARCH_DAVINCI || ARCH_KEYSTONE
457 help
458 Support for TI DaVinci I2C controller driver.
459
460 This driver can also be built as a module. If so, the module
461 will be called i2c-davinci.
462
463 Please note that this driver might be needed to bring up other
464 devices such as DaVinci NIC.
465 For details please see http://www.ti.com/davinci
466
467 config I2C_DESIGNWARE_CORE
468 tristate
469
470 config I2C_DESIGNWARE_PLATFORM
471 tristate "Synopsys DesignWare Platform"
472 select I2C_DESIGNWARE_CORE
473 depends on (ACPI && COMMON_CLK) || !ACPI
474 help
475 If you say yes to this option, support will be included for the
476 Synopsys DesignWare I2C adapter. Only master mode is supported.
477
478 This driver can also be built as a module. If so, the module
479 will be called i2c-designware-platform.
480
481 config I2C_DESIGNWARE_PCI
482 tristate "Synopsys DesignWare PCI"
483 depends on PCI
484 select I2C_DESIGNWARE_CORE
485 help
486 If you say yes to this option, support will be included for the
487 Synopsys DesignWare I2C adapter. Only master mode is supported.
488
489 This driver can also be built as a module. If so, the module
490 will be called i2c-designware-pci.
491
492 config I2C_DESIGNWARE_BAYTRAIL
493 bool "Intel Baytrail I2C semaphore support"
494 depends on ACPI
495 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
496 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
497 help
498 This driver enables managed host access to the PMIC I2C bus on select
499 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
500 the host to request uninterrupted access to the PMIC's I2C bus from
501 the platform firmware controlling it. You should say Y if running on
502 a BayTrail system using the AXP288.
503
504 config I2C_DIGICOLOR
505 tristate "Conexant Digicolor I2C driver"
506 depends on ARCH_DIGICOLOR
507 help
508 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
509
510 This driver can also be built as a module. If so, the module
511 will be called i2c-digicolor.
512
513 config I2C_EFM32
514 tristate "EFM32 I2C controller"
515 depends on ARCH_EFM32 || COMPILE_TEST
516 help
517 This driver supports the i2c block found in Energy Micro's EFM32
518 SoCs.
519
520 config I2C_EG20T
521 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
522 depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
523 help
524 This driver is for PCH(Platform controller Hub) I2C of EG20T which
525 is an IOH(Input/Output Hub) for x86 embedded processor.
526 This driver can access PCH I2C bus device.
527
528 This driver also can be used for LAPIS Semiconductor IOH(Input/
529 Output Hub), ML7213, ML7223 and ML7831.
530 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
531 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
532 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
533 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
534
535 config I2C_EMEV2
536 tristate "EMMA Mobile series I2C adapter"
537 depends on HAVE_CLK
538 select I2C_SLAVE
539 help
540 If you say yes to this option, support will be included for the
541 I2C interface on the Renesas Electronics EM/EV family of processors.
542
543 config I2C_EXYNOS5
544 tristate "Exynos5 high-speed I2C driver"
545 depends on ARCH_EXYNOS && OF
546 default y
547 help
548 High-speed I2C controller on Exynos5 based Samsung SoCs.
549
550 config I2C_GPIO
551 tristate "GPIO-based bitbanging I2C"
552 depends on GPIOLIB || COMPILE_TEST
553 select I2C_ALGOBIT
554 help
555 This is a very simple bitbanging I2C driver utilizing the
556 arch-neutral GPIO API to control the SCL and SDA lines.
557
558 config I2C_HIGHLANDER
559 tristate "Highlander FPGA SMBus interface"
560 depends on SH_HIGHLANDER
561 help
562 If you say yes to this option, support will be included for
563 the SMBus interface located in the FPGA on various Highlander
564 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
565 FPGAs. This is wholly unrelated to the SoC I2C.
566
567 This driver can also be built as a module. If so, the module
568 will be called i2c-highlander.
569
570 config I2C_IBM_IIC
571 tristate "IBM PPC 4xx on-chip I2C interface"
572 depends on 4xx
573 help
574 Say Y here if you want to use IIC peripheral found on
575 embedded IBM PPC 4xx based systems.
576
577 This driver can also be built as a module. If so, the module
578 will be called i2c-ibm_iic.
579
580 config I2C_IMG
581 tristate "Imagination Technologies I2C SCB Controller"
582 depends on MIPS || METAG || COMPILE_TEST
583 help
584 Say Y here if you want to use the IMG I2C SCB controller,
585 available on the TZ1090 and other IMG SoCs.
586
587 This driver can also be built as a module. If so, the module
588 will be called i2c-img-scb.
589
590 config I2C_IMX
591 tristate "IMX I2C interface"
592 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE
593 help
594 Say Y here if you want to use the IIC bus controller on
595 the Freescale i.MX/MXC, Layerscape or ColdFire processors.
596
597 This driver can also be built as a module. If so, the module
598 will be called i2c-imx.
599
600 config I2C_IMX_LPI2C
601 tristate "IMX Low Power I2C interface"
602 depends on ARCH_MXC || COMPILE_TEST
603 help
604 Say Y here if you want to use the Low Power IIC bus controller
605 on the Freescale i.MX processors.
606
607 This driver can also be built as a module. If so, the module
608 will be called i2c-imx-lpi2c.
609
610 config I2C_IOP3XX
611 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
612 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
613 help
614 Say Y here if you want to use the IIC bus controller on
615 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
616
617 This driver can also be built as a module. If so, the module
618 will be called i2c-iop3xx.
619
620 config I2C_JZ4780
621 tristate "JZ4780 I2C controller interface support"
622 depends on MACH_JZ4780 || COMPILE_TEST
623 help
624 If you say yes to this option, support will be included for the
625 Ingenic JZ4780 I2C controller.
626
627 If you don't know what to do here, say N.
628
629 config I2C_KEMPLD
630 tristate "Kontron COM I2C Controller"
631 depends on MFD_KEMPLD
632 help
633 This enables support for the I2C bus interface on some Kontron ETX
634 and COMexpress (ETXexpress) modules.
635
636 This driver can also be built as a module. If so, the module
637 will be called i2c-kempld.
638
639 config I2C_LPC2K
640 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
641 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
642 help
643 This driver supports the I2C interface found several NXP
644 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
645
646 This driver can also be built as a module. If so, the module
647 will be called i2c-lpc2k.
648
649 config I2C_MESON
650 tristate "Amlogic Meson I2C controller"
651 depends on ARCH_MESON || COMPILE_TEST
652 help
653 If you say yes to this option, support will be included for the
654 I2C interface on the Amlogic Meson family of SoCs.
655
656 config I2C_MPC
657 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
658 depends on PPC
659 help
660 If you say yes to this option, support will be included for the
661 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
662 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
663
664 This driver can also be built as a module. If so, the module
665 will be called i2c-mpc.
666
667 config I2C_MT65XX
668 tristate "MediaTek I2C adapter"
669 depends on ARCH_MEDIATEK || COMPILE_TEST
670 depends on HAS_DMA
671 help
672 This selects the MediaTek(R) Integrated Inter Circuit bus driver
673 for MT65xx and MT81xx.
674 If you want to use MediaTek(R) I2C interface, say Y or M here.
675 If unsure, say N.
676
677 config I2C_MV64XXX
678 tristate "Marvell mv64xxx I2C Controller"
679 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
680 help
681 If you say yes to this option, support will be included for the
682 built-in I2C interface on the Marvell 64xxx line of host bridges.
683 This driver is also used for Allwinner SoCs I2C controllers.
684
685 This driver can also be built as a module. If so, the module
686 will be called i2c-mv64xxx.
687
688 config I2C_MXS
689 tristate "Freescale i.MX28 I2C interface"
690 depends on SOC_IMX28
691 select STMP_DEVICE
692 help
693 Say Y here if you want to use the I2C bus controller on
694 the Freescale i.MX28 processors.
695
696 This driver can also be built as a module. If so, the module
697 will be called i2c-mxs.
698
699 config I2C_NOMADIK
700 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
701 depends on ARM_AMBA
702 help
703 If you say yes to this option, support will be included for the
704 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
705 as well as the STA2X11 PCIe I/O HUB.
706
707 config I2C_OCORES
708 tristate "OpenCores I2C Controller"
709 help
710 If you say yes to this option, support will be included for the
711 OpenCores I2C controller. For details see
712 http://www.opencores.org/projects.cgi/web/i2c/overview
713
714 This driver can also be built as a module. If so, the module
715 will be called i2c-ocores.
716
717 config I2C_OMAP
718 tristate "OMAP I2C adapter"
719 depends on ARCH_OMAP
720 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
721 help
722 If you say yes to this option, support will be included for the
723 I2C interface on the Texas Instruments OMAP1/2 family of processors.
724 Like OMAP1510/1610/1710/5912 and OMAP242x.
725 For details see http://www.ti.com/omap.
726
727 config I2C_PASEMI
728 tristate "PA Semi SMBus interface"
729 depends on PPC_PASEMI && PCI
730 help
731 Supports the PA Semi PWRficient on-chip SMBus interfaces.
732
733 config I2C_PCA_PLATFORM
734 tristate "PCA9564/PCA9665 as platform device"
735 select I2C_ALGOPCA
736 default n
737 help
738 This driver supports a memory mapped Philips PCA9564/PCA9665
739 parallel bus to I2C bus controller.
740
741 This driver can also be built as a module. If so, the module
742 will be called i2c-pca-platform.
743
744 config I2C_PMCMSP
745 tristate "PMC MSP I2C TWI Controller"
746 depends on PMC_MSP
747 help
748 This driver supports the PMC TWI controller on MSP devices.
749
750 This driver can also be built as module. If so, the module
751 will be called i2c-pmcmsp.
752
753 config I2C_PNX
754 tristate "I2C bus support for Philips PNX and NXP LPC targets"
755 depends on ARCH_LPC32XX
756 help
757 This driver supports the Philips IP3204 I2C IP block master and/or
758 slave controller
759
760 This driver can also be built as a module. If so, the module
761 will be called i2c-pnx.
762
763 config I2C_PUV3
764 tristate "PKUnity v3 I2C bus support"
765 depends on UNICORE32 && ARCH_PUV3
766 select I2C_ALGOBIT
767 help
768 This driver supports the I2C IP inside the PKUnity-v3 SoC.
769 This I2C bus controller is under AMBA/AXI bus.
770
771 This driver can also be built as a module. If so, the module
772 will be called i2c-puv3.
773
774 config I2C_PXA
775 tristate "Intel PXA2XX I2C adapter"
776 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF)
777 help
778 If you have devices in the PXA I2C bus, say yes to this option.
779 This driver can also be built as a module. If so, the module
780 will be called i2c-pxa.
781
782 config I2C_PXA_PCI
783 def_bool I2C_PXA && X86_32 && PCI && OF
784
785 config I2C_PXA_SLAVE
786 bool "Intel PXA2XX I2C Slave comms support"
787 depends on I2C_PXA && !X86_32
788 help
789 Support I2C slave mode communications on the PXA I2C bus. This
790 is necessary for systems where the PXA may be a target on the
791 I2C bus.
792
793 config I2C_QUP
794 tristate "Qualcomm QUP based I2C controller"
795 depends on ARCH_QCOM
796 help
797 If you say yes to this option, support will be included for the
798 built-in I2C interface on the Qualcomm SoCs.
799
800 This driver can also be built as a module. If so, the module
801 will be called i2c-qup.
802
803 config I2C_RIIC
804 tristate "Renesas RIIC adapter"
805 depends on ARCH_RENESAS || COMPILE_TEST
806 help
807 If you say yes to this option, support will be included for the
808 Renesas RIIC I2C interface.
809
810 This driver can also be built as a module. If so, the module
811 will be called i2c-riic.
812
813 config I2C_RK3X
814 tristate "Rockchip RK3xxx I2C adapter"
815 depends on OF && COMMON_CLK
816 help
817 Say Y here to include support for the I2C adapter in Rockchip RK3xxx
818 SoCs.
819
820 This driver can also be built as a module. If so, the module will
821 be called i2c-rk3x.
822
823 config HAVE_S3C2410_I2C
824 bool
825 help
826 This will include I2C support for Samsung SoCs. If you want to
827 include I2C support for any machine, kindly select this in the
828 respective Kconfig file.
829
830 config I2C_S3C2410
831 tristate "S3C2410 I2C Driver"
832 depends on HAVE_S3C2410_I2C
833 help
834 Say Y here to include support for I2C controller in the
835 Samsung SoCs.
836
837 config I2C_SH7760
838 tristate "Renesas SH7760 I2C Controller"
839 depends on CPU_SUBTYPE_SH7760
840 help
841 This driver supports the 2 I2C interfaces on the Renesas SH7760.
842
843 This driver can also be built as a module. If so, the module
844 will be called i2c-sh7760.
845
846 config I2C_SH_MOBILE
847 tristate "SuperH Mobile I2C Controller"
848 depends on HAS_DMA
849 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
850 help
851 If you say yes to this option, support will be included for the
852 built-in I2C interface on the Renesas SH-Mobile processor.
853
854 This driver can also be built as a module. If so, the module
855 will be called i2c-sh_mobile.
856
857 config I2C_SIMTEC
858 tristate "Simtec Generic I2C interface"
859 select I2C_ALGOBIT
860 help
861 If you say yes to this option, support will be included for
862 the Simtec Generic I2C interface. This driver is for the
863 simple I2C bus used on newer Simtec products for general
864 I2C, such as DDC on the Simtec BBD2016A.
865
866 This driver can also be built as a module. If so, the module
867 will be called i2c-simtec.
868
869 config I2C_SIRF
870 tristate "CSR SiRFprimaII I2C interface"
871 depends on ARCH_SIRF
872 help
873 If you say yes to this option, support will be included for the
874 CSR SiRFprimaII I2C interface.
875
876 This driver can also be built as a module. If so, the module
877 will be called i2c-sirf.
878
879 config I2C_ST
880 tristate "STMicroelectronics SSC I2C support"
881 depends on ARCH_STI
882 help
883 Enable this option to add support for STMicroelectronics SoCs
884 hardware SSC (Synchronous Serial Controller) as an I2C controller.
885
886 This driver can also be built as module. If so, the module
887 will be called i2c-st.
888
889 config I2C_STU300
890 tristate "ST Microelectronics DDC I2C interface"
891 depends on MACH_U300
892 default y if MACH_U300
893 help
894 If you say yes to this option, support will be included for the
895 I2C interface from ST Microelectronics simply called "DDC I2C"
896 supporting both I2C and DDC, used in e.g. the U300 series
897 mobile platforms.
898
899 This driver can also be built as a module. If so, the module
900 will be called i2c-stu300.
901
902 config I2C_SUN6I_P2WI
903 tristate "Allwinner sun6i internal P2WI controller"
904 depends on RESET_CONTROLLER
905 depends on MACH_SUN6I || COMPILE_TEST
906 help
907 If you say yes to this option, support will be included for the
908 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
909 SOCs.
910 The P2WI looks like an SMBus controller (which supports only byte
911 accesses), except that it only supports one slave device.
912 This interface is used to connect to specific PMIC devices (like the
913 AXP221).
914
915 config I2C_TEGRA
916 tristate "NVIDIA Tegra internal I2C controller"
917 depends on ARCH_TEGRA
918 help
919 If you say yes to this option, support will be included for the
920 I2C controller embedded in NVIDIA Tegra SOCs
921
922 config I2C_UNIPHIER
923 tristate "UniPhier FIFO-less I2C controller"
924 depends on ARCH_UNIPHIER || COMPILE_TEST
925 help
926 If you say yes to this option, support will be included for
927 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
928 or older UniPhier SoCs.
929
930 config I2C_UNIPHIER_F
931 tristate "UniPhier FIFO-builtin I2C controller"
932 depends on ARCH_UNIPHIER || COMPILE_TEST
933 help
934 If you say yes to this option, support will be included for
935 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
936 PH1-Pro5, or newer UniPhier SoCs.
937
938 config I2C_VERSATILE
939 tristate "ARM Versatile/Realview I2C bus support"
940 depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
941 select I2C_ALGOBIT
942 help
943 Say yes if you want to support the I2C serial bus on ARMs Versatile
944 range of platforms.
945
946 This driver can also be built as a module. If so, the module
947 will be called i2c-versatile.
948
949 config I2C_WMT
950 tristate "Wondermedia WM8xxx SoC I2C bus support"
951 depends on ARCH_VT8500
952 help
953 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
954 SoCs.
955
956 This driver can also be built as a module. If so, the module will be
957 called i2c-wmt.
958
959 config I2C_OCTEON
960 tristate "Cavium OCTEON I2C bus support"
961 depends on CAVIUM_OCTEON_SOC
962 help
963 Say yes if you want to support the I2C serial bus on Cavium
964 OCTEON SOC.
965
966 This driver can also be built as a module. If so, the module
967 will be called i2c-octeon.
968
969 config I2C_THUNDERX
970 tristate "Cavium ThunderX I2C bus support"
971 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
972 select I2C_SMBUS
973 help
974 Say yes if you want to support the I2C serial bus on Cavium
975 ThunderX SOC.
976
977 This driver can also be built as a module. If so, the module
978 will be called i2c-thunderx.
979
980 config I2C_XILINX
981 tristate "Xilinx I2C Controller"
982 depends on HAS_IOMEM
983 help
984 If you say yes to this option, support will be included for the
985 Xilinx I2C controller.
986
987 This driver can also be built as a module. If so, the module
988 will be called xilinx_i2c.
989
990 config I2C_XLR
991 tristate "Netlogic XLR and Sigma Designs I2C support"
992 depends on CPU_XLR || ARCH_TANGO
993 help
994 This driver enables support for the on-chip I2C interface of
995 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
996
997 This driver can also be built as a module. If so, the module
998 will be called i2c-xlr.
999
1000 config I2C_XLP9XX
1001 tristate "XLP9XX I2C support"
1002 depends on CPU_XLP || ARCH_VULCAN || COMPILE_TEST
1003 help
1004 This driver enables support for the on-chip I2C interface of
1005 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
1006
1007 This driver can also be built as a module. If so, the module will
1008 be called i2c-xlp9xx.
1009
1010 config I2C_RCAR
1011 tristate "Renesas R-Car I2C Controller"
1012 depends on HAS_DMA
1013 depends on ARCH_RENESAS || COMPILE_TEST
1014 select I2C_SLAVE
1015 help
1016 If you say yes to this option, support will be included for the
1017 R-Car I2C controller.
1018
1019 This driver can also be built as a module. If so, the module
1020 will be called i2c-rcar.
1021
1022 comment "External I2C/SMBus adapter drivers"
1023
1024 config I2C_DIOLAN_U2C
1025 tristate "Diolan U2C-12 USB adapter"
1026 depends on USB
1027 help
1028 If you say yes to this option, support will be included for Diolan
1029 U2C-12, a USB to I2C interface.
1030
1031 This driver can also be built as a module. If so, the module
1032 will be called i2c-diolan-u2c.
1033
1034 config I2C_DLN2
1035 tristate "Diolan DLN-2 USB I2C adapter"
1036 depends on MFD_DLN2
1037 help
1038 If you say yes to this option, support will be included for Diolan
1039 DLN2, a USB to I2C interface.
1040
1041 This driver can also be built as a module. If so, the module
1042 will be called i2c-dln2.
1043
1044 config I2C_PARPORT
1045 tristate "Parallel port adapter"
1046 depends on PARPORT
1047 select I2C_ALGOBIT
1048 select I2C_SMBUS
1049 help
1050 This supports parallel port I2C adapters such as the ones made by
1051 Philips or Velleman, Analog Devices evaluation boards, and more.
1052 Basically any adapter using the parallel port as an I2C bus with
1053 no extra chipset is supported by this driver, or could be.
1054
1055 This driver is a replacement for (and was inspired by) an older
1056 driver named i2c-philips-par. The new driver supports more devices,
1057 and makes it easier to add support for new devices.
1058
1059 An adapter type parameter is now mandatory. Please read the file
1060 Documentation/i2c/busses/i2c-parport for details.
1061
1062 Another driver exists, named i2c-parport-light, which doesn't depend
1063 on the parport driver. This is meant for embedded systems. Don't say
1064 Y here if you intend to say Y or M there.
1065
1066 This support is also available as a module. If so, the module
1067 will be called i2c-parport.
1068
1069 config I2C_PARPORT_LIGHT
1070 tristate "Parallel port adapter (light)"
1071 select I2C_ALGOBIT
1072 select I2C_SMBUS
1073 help
1074 This supports parallel port I2C adapters such as the ones made by
1075 Philips or Velleman, Analog Devices evaluation boards, and more.
1076 Basically any adapter using the parallel port as an I2C bus with
1077 no extra chipset is supported by this driver, or could be.
1078
1079 This driver is a light version of i2c-parport. It doesn't depend
1080 on the parport driver, and uses direct I/O access instead. This
1081 might be preferred on embedded systems where wasting memory for
1082 the clean but heavy parport handling is not an option. The
1083 drawback is a reduced portability and the impossibility to
1084 daisy-chain other parallel port devices.
1085
1086 Don't say Y here if you said Y or M to i2c-parport. Saying M to
1087 both is possible but both modules should not be loaded at the same
1088 time.
1089
1090 This support is also available as a module. If so, the module
1091 will be called i2c-parport-light.
1092
1093 config I2C_ROBOTFUZZ_OSIF
1094 tristate "RobotFuzz Open Source InterFace USB adapter"
1095 depends on USB
1096 help
1097 If you say yes to this option, support will be included for the
1098 RobotFuzz Open Source InterFace USB to I2C interface.
1099
1100 This driver can also be built as a module. If so, the module
1101 will be called i2c-osif.
1102
1103 config I2C_TAOS_EVM
1104 tristate "TAOS evaluation module"
1105 depends on TTY
1106 select SERIO
1107 select SERIO_SERPORT
1108 default n
1109 help
1110 This supports TAOS evaluation modules on serial port. In order to
1111 use this driver, you will need the inputattach tool, which is part
1112 of the input-utils package.
1113
1114 If unsure, say N.
1115
1116 This support is also available as a module. If so, the module
1117 will be called i2c-taos-evm.
1118
1119 config I2C_TINY_USB
1120 tristate "Tiny-USB adapter"
1121 depends on USB
1122 help
1123 If you say yes to this option, support will be included for the
1124 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1125 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1126
1127 This driver can also be built as a module. If so, the module
1128 will be called i2c-tiny-usb.
1129
1130 config I2C_VIPERBOARD
1131 tristate "Viperboard I2C master support"
1132 depends on MFD_VIPERBOARD && USB
1133 help
1134 Say yes here to access the I2C part of the Nano River
1135 Technologies Viperboard as I2C master.
1136 See viperboard API specification and Nano
1137 River Tech's viperboard.h for detailed meaning
1138 of the module parameters.
1139
1140 comment "Other I2C/SMBus bus drivers"
1141
1142 config I2C_ACORN
1143 tristate "Acorn IOC/IOMD I2C bus support"
1144 depends on ARCH_ACORN
1145 default y
1146 select I2C_ALGOBIT
1147 help
1148 Say yes if you want to support the I2C bus on Acorn platforms.
1149
1150 If you don't know, say Y.
1151
1152 config I2C_ELEKTOR
1153 tristate "Elektor ISA card"
1154 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1155 select I2C_ALGOPCF
1156 help
1157 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
1158 such an adapter.
1159
1160 This support is also available as a module. If so, the module
1161 will be called i2c-elektor.
1162
1163 config I2C_MLXCPLD
1164 tristate "Mellanox I2C driver"
1165 depends on X86_64
1166 help
1167 This exposes the Mellanox platform I2C busses to the linux I2C layer
1168 for X86 based systems.
1169 Controller is implemented as CPLD logic.
1170
1171 This driver can also be built as a module. If so, the module will be
1172 called as i2c-mlxcpld.
1173
1174 config I2C_PCA_ISA
1175 tristate "PCA9564/PCA9665 on an ISA bus"
1176 depends on ISA
1177 select I2C_ALGOPCA
1178 default n
1179 help
1180 This driver supports ISA boards using the Philips PCA9564/PCA9665
1181 parallel bus to I2C bus controller.
1182
1183 This driver can also be built as a module. If so, the module
1184 will be called i2c-pca-isa.
1185
1186 This device is almost undetectable and using this driver on a
1187 system which doesn't have this device will result in long
1188 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1189 time). If unsure, say N.
1190
1191 config I2C_SIBYTE
1192 tristate "SiByte SMBus interface"
1193 depends on SIBYTE_SB1xxx_SOC
1194 help
1195 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1196
1197 config I2C_CROS_EC_TUNNEL
1198 tristate "ChromeOS EC tunnel I2C bus"
1199 depends on MFD_CROS_EC
1200 help
1201 If you say yes here you get an I2C bus that will tunnel i2c commands
1202 through to the other side of the ChromeOS EC to the i2c bus
1203 connected there. This will work whatever the interface used to
1204 talk to the EC (SPI, I2C or LPC).
1205
1206 config I2C_XGENE_SLIMPRO
1207 tristate "APM X-Gene SoC I2C SLIMpro devices support"
1208 depends on ARCH_XGENE && MAILBOX
1209 help
1210 Enable I2C bus access using the APM X-Gene SoC SLIMpro
1211 co-processor. The I2C device access the I2C bus via the X-Gene
1212 to SLIMpro (On chip coprocessor) mailbox mechanism.
1213 If unsure, say N.
1214
1215 config SCx200_ACB
1216 tristate "Geode ACCESS.bus support"
1217 depends on X86_32 && PCI
1218 help
1219 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1220 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1221
1222 If you don't know what to do here, say N.
1223
1224 This support is also available as a module. If so, the module
1225 will be called scx200_acb.
1226
1227 config I2C_OPAL
1228 tristate "IBM OPAL I2C driver"
1229 depends on PPC_POWERNV
1230 default y
1231 help
1232 This exposes the PowerNV platform i2c busses to the linux i2c layer,
1233 the driver is based on the OPAL interfaces.
1234
1235 This driver can also be built as a module. If so, the module will be
1236 called as i2c-opal.
1237
1238 endmenu