xref: /openbmc/linux/drivers/i2c/busses/Kconfig (revision cfbb9be8)
1#
2# Sensor device configuration
3#
4
5menu "I2C Hardware Bus support"
6	depends on HAS_IOMEM
7
8comment "PC SMBus host controller drivers"
9	depends on PCI
10
11config 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
23config 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
35config 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
45config 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
57config 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
70config 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
80config 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
90config 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	    Braswell (SOC)
127	    Sunrise Point-H (PCH)
128	    Sunrise Point-LP (PCH)
129	    Kaby Lake-H (PCH)
130	    DNV (SOC)
131	    Broxton (SOC)
132	    Lewisburg (PCH)
133	    Gemini Lake (SOC)
134	    Cannon Lake-H (PCH)
135	    Cannon Lake-LP (PCH)
136	    Cedar Fork (PCH)
137
138	  This driver can also be built as a module.  If so, the module
139	  will be called i2c-i801.
140
141config I2C_ISCH
142	tristate "Intel SCH SMBus 1.0"
143	depends on PCI
144	select LPC_SCH
145	help
146	  Say Y here if you want to use SMBus controller on the Intel SCH
147	  based systems.
148
149	  This driver can also be built as a module. If so, the module
150	  will be called i2c-isch.
151
152config I2C_ISMT
153	tristate "Intel iSMT SMBus Controller"
154	depends on PCI && X86
155	help
156	  If you say yes to this option, support will be included for the Intel
157	  iSMT SMBus host controller interface.
158
159	  This driver can also be built as a module.  If so, the module will be
160	  called i2c-ismt.
161
162config I2C_PIIX4
163	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
164	depends on PCI
165	help
166	  If you say yes to this option, support will be included for the Intel
167	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
168	  versions of the chipset are supported (note that Serverworks is part
169	  of Broadcom):
170	    Intel PIIX4
171	    Intel 440MX
172	    ATI IXP200
173	    ATI IXP300
174	    ATI IXP400
175	    ATI SB600
176	    ATI SB700/SP5100
177	    ATI SB800
178	    AMD Hudson-2
179	    AMD ML
180	    AMD CZ
181	    Serverworks OSB4
182	    Serverworks CSB5
183	    Serverworks CSB6
184	    Serverworks HT-1000
185	    Serverworks HT-1100
186	    SMSC Victory66
187
188	  Some AMD chipsets contain two PIIX4-compatible SMBus
189	  controllers. This driver will attempt to use both controllers
190	  on the SB700/SP5100, if they have been initialized by the BIOS.
191
192	  This driver can also be built as a module.  If so, the module
193	  will be called i2c-piix4.
194
195config I2C_CHT_WC
196	tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
197	depends on INTEL_SOC_PMIC_CHTWC
198	help
199	  If you say yes to this option, support will be included for the
200	  SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
201	  found on some Intel Cherry Trail systems.
202
203	  Note this controller is hooked up to a TI bq24292i charger-IC,
204	  combined with a FUSB302 Type-C port-controller as such it is advised
205	  to also select CONFIG_CHARGER_BQ24190=m and CONFIG_TYPEC_FUSB302=m
206	  (the fusb302 driver currently is in drivers/staging).
207
208config I2C_NFORCE2
209	tristate "Nvidia nForce2, nForce3 and nForce4"
210	depends on PCI
211	help
212	  If you say yes to this option, support will be included for the Nvidia
213	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
214
215	  This driver can also be built as a module.  If so, the module
216	  will be called i2c-nforce2.
217
218config I2C_NFORCE2_S4985
219	tristate "SMBus multiplexing on the Tyan S4985"
220	depends on I2C_NFORCE2 && X86
221	help
222	  Enabling this option will add specific SMBus support for the Tyan
223	  S4985 motherboard.  On this 4-CPU board, the SMBus is multiplexed
224	  over 4 different channels, where the various memory module EEPROMs
225	  live.  Saying yes here will give you access to these in addition
226	  to the trunk.
227
228	  This driver can also be built as a module.  If so, the module
229	  will be called i2c-nforce2-s4985.
230
231config I2C_SIS5595
232	tristate "SiS 5595"
233	depends on PCI
234	help
235	  If you say yes to this option, support will be included for the
236	  SiS5595 SMBus (a subset of I2C) interface.
237
238	  This driver can also be built as a module.  If so, the module
239	  will be called i2c-sis5595.
240
241config I2C_SIS630
242	tristate "SiS 630/730/964"
243	depends on PCI
244	help
245	  If you say yes to this option, support will be included for the
246	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
247
248	  This driver can also be built as a module.  If so, the module
249	  will be called i2c-sis630.
250
251config I2C_SIS96X
252	tristate "SiS 96x"
253	depends on PCI
254	help
255	  If you say yes to this option, support will be included for the SiS
256	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
257	  chipsets are supported:
258	    645/961
259	    645DX/961
260	    645DX/962
261	    648/961
262	    650/961
263	    735
264	    745
265
266	  This driver can also be built as a module.  If so, the module
267	  will be called i2c-sis96x.
268
269config I2C_VIA
270	tristate "VIA VT82C586B"
271	depends on PCI
272	select I2C_ALGOBIT
273	help
274	  If you say yes to this option, support will be included for the VIA
275          82C586B I2C interface
276
277	  This driver can also be built as a module.  If so, the module
278	  will be called i2c-via.
279
280config I2C_VIAPRO
281	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
282	depends on PCI
283	help
284	  If you say yes to this option, support will be included for the VIA
285	  VT82C596 and later SMBus interface.  Specifically, the following
286	  chipsets are supported:
287	    VT82C596A/B
288	    VT82C686A/B
289	    VT8231
290	    VT8233/A
291	    VT8235
292	    VT8237R/A/S
293	    VT8251
294	    CX700
295	    VX800/VX820
296	    VX855/VX875
297	    VX900
298
299	  This driver can also be built as a module.  If so, the module
300	  will be called i2c-viapro.
301
302if ACPI
303
304comment "ACPI drivers"
305
306config I2C_SCMI
307	tristate "SMBus Control Method Interface"
308	help
309	  This driver supports the SMBus Control Method Interface. It needs the
310	  BIOS to declare ACPI control methods as described in the SMBus Control
311	  Method Interface specification.
312
313	  To compile this driver as a module, choose M here:
314	  the module will be called i2c-scmi.
315
316endif # ACPI
317
318comment "Mac SMBus host controller drivers"
319	depends on PPC_CHRP || PPC_PMAC
320
321config I2C_HYDRA
322	tristate "CHRP Apple Hydra Mac I/O I2C interface"
323	depends on PCI && PPC_CHRP
324	select I2C_ALGOBIT
325	help
326	  This supports the use of the I2C interface in the Apple Hydra Mac
327	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
328	  have such a machine.
329
330	  This support is also available as a module.  If so, the module
331	  will be called i2c-hydra.
332
333config I2C_POWERMAC
334	tristate "Powermac I2C interface"
335	depends on PPC_PMAC
336	default y
337	help
338	  This exposes the various PowerMac i2c interfaces to the linux i2c
339	  layer and to userland. It is used by various drivers on the PowerMac
340	  platform, and should generally be enabled.
341
342	  This support is also available as a module.  If so, the module
343	  will be called i2c-powermac.
344
345comment "I2C system bus drivers (mostly embedded / system-on-chip)"
346
347config I2C_ALTERA
348	tristate "Altera Soft IP I2C"
349	depends on (ARCH_SOCFPGA || NIOS2) && OF
350	help
351	  If you say yes to this option, support will be included for the
352	  Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
353
354	  This driver can also be built as a module.  If so, the module
355	  will be called i2c-altera.
356
357config I2C_ASPEED
358	tristate "Aspeed I2C Controller"
359	depends on ARCH_ASPEED || COMPILE_TEST
360	help
361	  If you say yes to this option, support will be included for the
362	  Aspeed I2C controller.
363
364	  This driver can also be built as a module.  If so, the module
365	  will be called i2c-aspeed.
366
367config I2C_AT91
368	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
369	depends on ARCH_AT91
370	help
371	  This supports the use of the I2C interface on Atmel AT91
372	  processors.
373
374	  A serious problem is that there is no documented way to issue
375	  repeated START conditions for more than two messages, as needed
376	  to support combined I2C messages.  Use the i2c-gpio driver
377	  unless your system can cope with this limitation.
378
379	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
380	  don't have clock stretching in transmission mode. For that reason,
381	  you can encounter underrun issues causing premature stop sendings if
382	  the latency to fill the transmission register is too long. If you
383	  are facing this situation, use the i2c-gpio driver.
384
385config I2C_AU1550
386	tristate "Au1550/Au1200/Au1300 SMBus interface"
387	depends on MIPS_ALCHEMY
388	help
389	  If you say yes to this option, support will be included for the
390	  Au1550/Au1200/Au1300 SMBus interface.
391
392	  This driver can also be built as a module.  If so, the module
393	  will be called i2c-au1550.
394
395config I2C_AXXIA
396	tristate "Axxia I2C controller"
397	depends on ARCH_AXXIA || COMPILE_TEST
398	default ARCH_AXXIA
399	help
400	  Say yes if you want to support the I2C bus on Axxia platforms.
401
402	  Please note that this controller is limited to transfers of maximum
403	  255 bytes in length. Any attempt to to a larger transfer will return
404	  an error.
405
406config I2C_BCM2835
407	tristate "Broadcom BCM2835 I2C controller"
408	depends on ARCH_BCM2835
409	help
410	  If you say yes to this option, support will be included for the
411	  BCM2835 I2C controller.
412
413	  If you don't know what to do here, say N.
414
415	  This support is also available as a module.  If so, the module
416	  will be called i2c-bcm2835.
417
418config I2C_BCM_IPROC
419	tristate "Broadcom iProc I2C controller"
420	depends on ARCH_BCM_IPROC || COMPILE_TEST
421	default ARCH_BCM_IPROC
422	help
423	  If you say yes to this option, support will be included for the
424	  Broadcom iProc I2C controller.
425
426	  If you don't know what to do here, say N.
427
428config I2C_BCM_KONA
429	tristate "BCM Kona I2C adapter"
430	depends on ARCH_BCM_MOBILE
431	default y
432	help
433	  If you say yes to this option, support will be included for the
434	  I2C interface on the Broadcom Kona family of processors.
435
436	  If you do not need KONA I2C interface, say N.
437
438config I2C_BRCMSTB
439	tristate "BRCM Settop I2C controller"
440	depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
441	default y
442	help
443	  If you say yes to this option, support will be included for the
444	  I2C interface on the Broadcom Settop SoCs.
445
446	  If you do not need I2C interface, say N.
447
448config I2C_BLACKFIN_TWI
449	tristate "Blackfin TWI I2C support"
450	depends on BLACKFIN
451	depends on !BF561 && !BF531 && !BF532 && !BF533
452	help
453	  This is the I2C bus driver for Blackfin on-chip TWI interface.
454
455	  This driver can also be built as a module.  If so, the module
456	  will be called i2c-bfin-twi.
457
458config I2C_BLACKFIN_TWI_CLK_KHZ
459	int "Blackfin TWI I2C clock (kHz)"
460	depends on I2C_BLACKFIN_TWI
461	range 21 400
462	default 50
463	help
464	  The unit of the TWI clock is kHz.
465
466config I2C_CADENCE
467	tristate "Cadence I2C Controller"
468	depends on ARCH_ZYNQ || ARM64 || XTENSA
469	help
470	  Say yes here to select Cadence I2C Host Controller. This controller is
471	  e.g. used by Xilinx Zynq.
472
473config I2C_CBUS_GPIO
474	tristate "CBUS I2C driver"
475	depends on GPIOLIB || COMPILE_TEST
476	help
477	  Support for CBUS access using I2C API. Mostly relevant for Nokia
478	  Internet Tablets (770, N800 and N810).
479
480	  This driver can also be built as a module.  If so, the module
481	  will be called i2c-cbus-gpio.
482
483config I2C_CPM
484	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
485	depends on CPM1 || CPM2
486	help
487	  This supports the use of the I2C interface on Freescale
488	  processors with CPM1 or CPM2.
489
490	  This driver can also be built as a module.  If so, the module
491	  will be called i2c-cpm.
492
493config I2C_DAVINCI
494	tristate "DaVinci I2C driver"
495	depends on ARCH_DAVINCI || ARCH_KEYSTONE
496	help
497	  Support for TI DaVinci I2C controller driver.
498
499	  This driver can also be built as a module.  If so, the module
500	  will be called i2c-davinci.
501
502	  Please note that this driver might be needed to bring up other
503	  devices such as DaVinci NIC.
504	  For details please see http://www.ti.com/davinci
505
506config I2C_DESIGNWARE_CORE
507	tristate
508
509config I2C_DESIGNWARE_PLATFORM
510	tristate "Synopsys DesignWare Platform"
511	select I2C_DESIGNWARE_CORE
512	depends on (ACPI && COMMON_CLK) || !ACPI
513	help
514	  If you say yes to this option, support will be included for the
515	  Synopsys DesignWare I2C adapter.
516
517	  This driver can also be built as a module.  If so, the module
518	  will be called i2c-designware-platform.
519
520config I2C_DESIGNWARE_SLAVE
521	bool "Synopsys DesignWare Slave"
522	select I2C_SLAVE
523	depends on I2C_DESIGNWARE_PLATFORM
524	help
525	  If you say yes to this option, support will be included for the
526	  Synopsys DesignWare I2C slave adapter.
527
528	  This is not a standalone module, this module compiles together with
529	  i2c-designware-core.
530
531config I2C_DESIGNWARE_PCI
532	tristate "Synopsys DesignWare PCI"
533	depends on PCI
534	select I2C_DESIGNWARE_CORE
535	help
536	  If you say yes to this option, support will be included for the
537	  Synopsys DesignWare I2C adapter. Only master mode is supported.
538
539	  This driver can also be built as a module.  If so, the module
540	  will be called i2c-designware-pci.
541
542config I2C_DESIGNWARE_BAYTRAIL
543	bool "Intel Baytrail I2C semaphore support"
544	depends on ACPI
545	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
546		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
547	help
548	  This driver enables managed host access to the PMIC I2C bus on select
549	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
550	  the host to request uninterrupted access to the PMIC's I2C bus from
551	  the platform firmware controlling it. You should say Y if running on
552	  a BayTrail system using the AXP288.
553
554config I2C_DIGICOLOR
555	tristate "Conexant Digicolor I2C driver"
556	depends on ARCH_DIGICOLOR
557	help
558	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
559
560	  This driver can also be built as a module.  If so, the module
561	  will be called i2c-digicolor.
562
563config I2C_EFM32
564	tristate "EFM32 I2C controller"
565	depends on ARCH_EFM32 || COMPILE_TEST
566	help
567	  This driver supports the i2c block found in Energy Micro's EFM32
568	  SoCs.
569
570config I2C_EG20T
571	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
572	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
573	help
574	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
575	  is an IOH(Input/Output Hub) for x86 embedded processor.
576	  This driver can access PCH I2C bus device.
577
578	  This driver also can be used for LAPIS Semiconductor IOH(Input/
579	  Output Hub), ML7213, ML7223 and ML7831.
580	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
581	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
582	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
583	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
584
585config I2C_EMEV2
586	tristate "EMMA Mobile series I2C adapter"
587	depends on HAVE_CLK
588	select I2C_SLAVE
589	help
590	  If you say yes to this option, support will be included for the
591	  I2C interface on the Renesas Electronics EM/EV family of processors.
592
593config I2C_EXYNOS5
594	tristate "Exynos5 high-speed I2C driver"
595	depends on ARCH_EXYNOS && OF
596	default y
597	help
598	  High-speed I2C controller on Exynos5 based Samsung SoCs.
599
600config I2C_GPIO
601	tristate "GPIO-based bitbanging I2C"
602	depends on GPIOLIB || COMPILE_TEST
603	select I2C_ALGOBIT
604	help
605	  This is a very simple bitbanging I2C driver utilizing the
606	  arch-neutral GPIO API to control the SCL and SDA lines.
607
608config I2C_GPIO_FAULT_INJECTOR
609	bool "GPIO-based fault injector"
610	depends on I2C_GPIO
611	help
612	  This adds some functionality to the i2c-gpio driver which can inject
613	  faults to an I2C bus, so another bus master can be stress-tested.
614	  This is for debugging. If unsure, say 'no'.
615
616config I2C_HIGHLANDER
617	tristate "Highlander FPGA SMBus interface"
618	depends on SH_HIGHLANDER
619	help
620	  If you say yes to this option, support will be included for
621	  the SMBus interface located in the FPGA on various Highlander
622	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
623	  FPGAs. This is wholly unrelated to the SoC I2C.
624
625	  This driver can also be built as a module.  If so, the module
626	  will be called i2c-highlander.
627
628config I2C_IBM_IIC
629	tristate "IBM PPC 4xx on-chip I2C interface"
630	depends on 4xx
631	help
632	  Say Y here if you want to use IIC peripheral found on
633	  embedded IBM PPC 4xx based systems.
634
635	  This driver can also be built as a module.  If so, the module
636	  will be called i2c-ibm_iic.
637
638config I2C_IMG
639	tristate "Imagination Technologies I2C SCB Controller"
640	depends on MIPS || METAG || COMPILE_TEST
641	help
642	  Say Y here if you want to use the IMG I2C SCB controller,
643	  available on the TZ1090 and other IMG SoCs.
644
645	  This driver can also be built as a module.  If so, the module
646	  will be called i2c-img-scb.
647
648config I2C_IMX
649	tristate "IMX I2C interface"
650	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE
651	help
652	  Say Y here if you want to use the IIC bus controller on
653	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
654
655	  This driver can also be built as a module.  If so, the module
656	  will be called i2c-imx.
657
658config I2C_IMX_LPI2C
659	tristate "IMX Low Power I2C interface"
660	depends on ARCH_MXC || COMPILE_TEST
661	help
662          Say Y here if you want to use the Low Power IIC bus controller
663          on the Freescale i.MX processors.
664
665          This driver can also be built as a module. If so, the module
666          will be called i2c-imx-lpi2c.
667
668config I2C_IOP3XX
669	tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
670	depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
671	help
672	  Say Y here if you want to use the IIC bus controller on
673	  the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
674
675	  This driver can also be built as a module.  If so, the module
676	  will be called i2c-iop3xx.
677
678config I2C_JZ4780
679	tristate "JZ4780 I2C controller interface support"
680	depends on MACH_JZ4780 || COMPILE_TEST
681	help
682	 If you say yes to this option, support will be included for the
683	 Ingenic JZ4780 I2C controller.
684
685	 If you don't know what to do here, say N.
686
687config I2C_KEMPLD
688	tristate "Kontron COM I2C Controller"
689	depends on MFD_KEMPLD
690	help
691	  This enables support for the I2C bus interface on some Kontron ETX
692	  and COMexpress (ETXexpress) modules.
693
694	  This driver can also be built as a module. If so, the module
695	  will be called i2c-kempld.
696
697config I2C_LPC2K
698	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
699	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
700	help
701	  This driver supports the I2C interface found several NXP
702	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
703
704	  This driver can also be built as a module.  If so, the module
705	  will be called i2c-lpc2k.
706
707config I2C_MESON
708	tristate "Amlogic Meson I2C controller"
709	depends on ARCH_MESON || COMPILE_TEST
710	help
711	  If you say yes to this option, support will be included for the
712	  I2C interface on the Amlogic Meson family of SoCs.
713
714config I2C_MPC
715	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
716	depends on PPC
717	help
718	  If you say yes to this option, support will be included for the
719	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
720	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
721
722	  This driver can also be built as a module.  If so, the module
723	  will be called i2c-mpc.
724
725config I2C_MT65XX
726	tristate "MediaTek I2C adapter"
727	depends on ARCH_MEDIATEK || COMPILE_TEST
728	depends on HAS_DMA
729	help
730	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
731	  for MT65xx and MT81xx.
732	  If you want to use MediaTek(R) I2C interface, say Y or M here.
733	  If unsure, say N.
734
735config I2C_MV64XXX
736	tristate "Marvell mv64xxx I2C Controller"
737	depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
738	help
739	  If you say yes to this option, support will be included for the
740	  built-in I2C interface on the Marvell 64xxx line of host bridges.
741	  This driver is also used for Allwinner SoCs I2C controllers.
742
743	  This driver can also be built as a module.  If so, the module
744	  will be called i2c-mv64xxx.
745
746config I2C_MXS
747	tristate "Freescale i.MX28 I2C interface"
748	depends on SOC_IMX28
749	select STMP_DEVICE
750	help
751	  Say Y here if you want to use the I2C bus controller on
752	  the Freescale i.MX28 processors.
753
754	  This driver can also be built as a module.  If so, the module
755	  will be called i2c-mxs.
756
757config I2C_NOMADIK
758	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
759	depends on ARM_AMBA
760	help
761	  If you say yes to this option, support will be included for the
762	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
763	  as well as the STA2X11 PCIe I/O HUB.
764
765config I2C_OCORES
766	tristate "OpenCores I2C Controller"
767	help
768	  If you say yes to this option, support will be included for the
769	  OpenCores I2C controller. For details see
770	  http://www.opencores.org/projects.cgi/web/i2c/overview
771
772	  This driver can also be built as a module.  If so, the module
773	  will be called i2c-ocores.
774
775config I2C_OMAP
776	tristate "OMAP I2C adapter"
777	depends on ARCH_OMAP
778	default y if MACH_OMAP_H3 || MACH_OMAP_OSK
779	help
780	  If you say yes to this option, support will be included for the
781	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
782	  Like OMAP1510/1610/1710/5912 and OMAP242x.
783	  For details see http://www.ti.com/omap.
784
785config I2C_PASEMI
786	tristate "PA Semi SMBus interface"
787	depends on PPC_PASEMI && PCI
788	help
789	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
790
791config I2C_PCA_PLATFORM
792	tristate "PCA9564/PCA9665 as platform device"
793	select I2C_ALGOPCA
794	default n
795	help
796	  This driver supports a memory mapped Philips PCA9564/PCA9665
797	  parallel bus to I2C bus controller.
798
799	  This driver can also be built as a module.  If so, the module
800	  will be called i2c-pca-platform.
801
802config I2C_PMCMSP
803	tristate "PMC MSP I2C TWI Controller"
804	depends on PMC_MSP
805	help
806	  This driver supports the PMC TWI controller on MSP devices.
807
808	  This driver can also be built as module. If so, the module
809	  will be called i2c-pmcmsp.
810
811config I2C_PNX
812	tristate "I2C bus support for Philips PNX and NXP LPC targets"
813	depends on ARCH_LPC32XX
814	help
815	  This driver supports the Philips IP3204 I2C IP block master and/or
816	  slave controller
817
818	  This driver can also be built as a module.  If so, the module
819	  will be called i2c-pnx.
820
821config I2C_PUV3
822	tristate "PKUnity v3 I2C bus support"
823	depends on UNICORE32 && ARCH_PUV3
824	select I2C_ALGOBIT
825	help
826	  This driver supports the I2C IP inside the PKUnity-v3 SoC.
827	  This I2C bus controller is under AMBA/AXI bus.
828
829	  This driver can also be built as a module.  If so, the module
830	  will be called i2c-puv3.
831
832config I2C_PXA
833	tristate "Intel PXA2XX I2C adapter"
834	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF)
835	help
836	  If you have devices in the PXA I2C bus, say yes to this option.
837	  This driver can also be built as a module.  If so, the module
838	  will be called i2c-pxa.
839
840config I2C_PXA_PCI
841	def_bool I2C_PXA && X86_32 && PCI && OF
842
843config I2C_PXA_SLAVE
844	bool "Intel PXA2XX I2C Slave comms support"
845	depends on I2C_PXA && !X86_32
846	help
847	  Support I2C slave mode communications on the PXA I2C bus.  This
848	  is necessary for systems where the PXA may be a target on the
849	  I2C bus.
850
851config I2C_QUP
852	tristate "Qualcomm QUP based I2C controller"
853	depends on ARCH_QCOM
854	help
855	  If you say yes to this option, support will be included for the
856	  built-in I2C interface on the Qualcomm SoCs.
857
858	  This driver can also be built as a module.  If so, the module
859	  will be called i2c-qup.
860
861config I2C_RIIC
862	tristate "Renesas RIIC adapter"
863	depends on ARCH_RENESAS || COMPILE_TEST
864	help
865	  If you say yes to this option, support will be included for the
866	  Renesas RIIC I2C interface.
867
868	  This driver can also be built as a module.  If so, the module
869	  will be called i2c-riic.
870
871config I2C_RK3X
872	tristate "Rockchip RK3xxx I2C adapter"
873	depends on OF && COMMON_CLK
874	help
875	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
876	  SoCs.
877
878	  This driver can also be built as a module. If so, the module will
879	  be called i2c-rk3x.
880
881config HAVE_S3C2410_I2C
882	bool
883	help
884	  This will include I2C support for Samsung SoCs. If you want to
885	  include I2C support for any machine, kindly select this in the
886	  respective Kconfig file.
887
888config I2C_S3C2410
889	tristate "S3C2410 I2C Driver"
890	depends on HAVE_S3C2410_I2C
891	help
892	  Say Y here to include support for I2C controller in the
893	  Samsung SoCs.
894
895config I2C_SH7760
896	tristate "Renesas SH7760 I2C Controller"
897	depends on CPU_SUBTYPE_SH7760
898	help
899	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
900
901	  This driver can also be built as a module.  If so, the module
902	  will be called i2c-sh7760.
903
904config I2C_SH_MOBILE
905	tristate "SuperH Mobile I2C Controller"
906	depends on HAS_DMA
907	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
908	help
909	  If you say yes to this option, support will be included for the
910	  built-in I2C interface on the Renesas SH-Mobile processor.
911
912	  This driver can also be built as a module.  If so, the module
913	  will be called i2c-sh_mobile.
914
915config I2C_SIMTEC
916	tristate "Simtec Generic I2C interface"
917	select I2C_ALGOBIT
918	help
919	  If you say yes to this option, support will be included for
920	  the Simtec Generic I2C interface. This driver is for the
921	  simple I2C bus used on newer Simtec products for general
922	  I2C, such as DDC on the Simtec BBD2016A.
923
924	  This driver can also be built as a module. If so, the module
925	  will be called i2c-simtec.
926
927config I2C_SIRF
928	tristate "CSR SiRFprimaII I2C interface"
929	depends on ARCH_SIRF
930	help
931	  If you say yes to this option, support will be included for the
932	  CSR SiRFprimaII I2C interface.
933
934	  This driver can also be built as a module.  If so, the module
935	  will be called i2c-sirf.
936
937config I2C_SPRD
938	bool "Spreadtrum I2C interface"
939	depends on I2C=y && ARCH_SPRD
940	help
941	  If you say yes to this option, support will be included for the
942	  Spreadtrum I2C interface.
943
944config I2C_ST
945	tristate "STMicroelectronics SSC I2C support"
946	depends on ARCH_STI
947	help
948	  Enable this option to add support for STMicroelectronics SoCs
949	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
950
951	  This driver can also be built as module. If so, the module
952	  will be called i2c-st.
953
954config I2C_STM32F4
955	tristate "STMicroelectronics STM32F4 I2C support"
956	depends on ARCH_STM32 || COMPILE_TEST
957	help
958	  Enable this option to add support for STM32 I2C controller embedded
959	  in STM32F4 SoCs.
960
961	  This driver can also be built as module. If so, the module
962	  will be called i2c-stm32f4.
963
964config I2C_STM32F7
965	tristate "STMicroelectronics STM32F7 I2C support"
966	depends on ARCH_STM32 || COMPILE_TEST
967	help
968	  Enable this option to add support for STM32 I2C controller embedded
969	  in STM32F7 SoCs.
970
971	  This driver can also be built as module. If so, the module
972	  will be called i2c-stm32f7.
973
974config I2C_STU300
975	tristate "ST Microelectronics DDC I2C interface"
976	depends on MACH_U300
977	default y if MACH_U300
978	help
979	  If you say yes to this option, support will be included for the
980	  I2C interface from ST Microelectronics simply called "DDC I2C"
981	  supporting both I2C and DDC, used in e.g. the U300 series
982	  mobile platforms.
983
984	  This driver can also be built as a module. If so, the module
985	  will be called i2c-stu300.
986
987config I2C_SUN6I_P2WI
988	tristate "Allwinner sun6i internal P2WI controller"
989	depends on RESET_CONTROLLER
990	depends on MACH_SUN6I || COMPILE_TEST
991	help
992	  If you say yes to this option, support will be included for the
993	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
994	  SOCs.
995	  The P2WI looks like an SMBus controller (which supports only byte
996	  accesses), except that it only supports one slave device.
997	  This interface is used to connect to specific PMIC devices (like the
998	  AXP221).
999
1000config I2C_TEGRA
1001	tristate "NVIDIA Tegra internal I2C controller"
1002	depends on ARCH_TEGRA
1003	help
1004	  If you say yes to this option, support will be included for the
1005	  I2C controller embedded in NVIDIA Tegra SOCs
1006
1007config I2C_TEGRA_BPMP
1008	tristate "NVIDIA Tegra BPMP I2C controller"
1009	depends on TEGRA_BPMP
1010	default y
1011	help
1012	  If you say yes to this option, support will be included for the I2C
1013	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1014
1015	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1016	  of the BPMP firmware, and this driver merely communicates with that
1017	  real driver.
1018
1019config I2C_UNIPHIER
1020	tristate "UniPhier FIFO-less I2C controller"
1021	depends on ARCH_UNIPHIER || COMPILE_TEST
1022	help
1023	  If you say yes to this option, support will be included for
1024	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1025	  or older UniPhier SoCs.
1026
1027config I2C_UNIPHIER_F
1028	tristate "UniPhier FIFO-builtin I2C controller"
1029	depends on ARCH_UNIPHIER || COMPILE_TEST
1030	help
1031	  If you say yes to this option, support will be included for
1032	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1033	  PH1-Pro5, or newer UniPhier SoCs.
1034
1035config I2C_VERSATILE
1036	tristate "ARM Versatile/Realview I2C bus support"
1037	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1038	select I2C_ALGOBIT
1039	help
1040	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1041	  range of platforms.
1042
1043	  This driver can also be built as a module.  If so, the module
1044	  will be called i2c-versatile.
1045
1046config I2C_WMT
1047	tristate "Wondermedia WM8xxx SoC I2C bus support"
1048	depends on ARCH_VT8500
1049	help
1050	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1051	  SoCs.
1052
1053	  This driver can also be built as a module. If so, the module will be
1054	  called i2c-wmt.
1055
1056config I2C_OCTEON
1057	tristate "Cavium OCTEON I2C bus support"
1058	depends on CAVIUM_OCTEON_SOC
1059	help
1060	  Say yes if you want to support the I2C serial bus on Cavium
1061	  OCTEON SOC.
1062
1063	  This driver can also be built as a module.  If so, the module
1064	  will be called i2c-octeon.
1065
1066config I2C_THUNDERX
1067	tristate "Cavium ThunderX I2C bus support"
1068	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1069	select I2C_SMBUS
1070	help
1071	  Say yes if you want to support the I2C serial bus on Cavium
1072	  ThunderX SOC.
1073
1074	  This driver can also be built as a module.  If so, the module
1075	  will be called i2c-thunderx.
1076
1077config I2C_XILINX
1078	tristate "Xilinx I2C Controller"
1079	depends on HAS_IOMEM
1080	help
1081	  If you say yes to this option, support will be included for the
1082	  Xilinx I2C controller.
1083
1084	  This driver can also be built as a module.  If so, the module
1085	  will be called xilinx_i2c.
1086
1087config I2C_XLR
1088	tristate "Netlogic XLR and Sigma Designs I2C support"
1089	depends on CPU_XLR || ARCH_TANGO
1090	help
1091	  This driver enables support for the on-chip I2C interface of
1092	  the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
1093
1094	  This driver can also be built as a module.  If so, the module
1095	  will be called i2c-xlr.
1096
1097config I2C_XLP9XX
1098	tristate "XLP9XX I2C support"
1099	depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST
1100	help
1101	  This driver enables support for the on-chip I2C interface of
1102	  the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
1103
1104	  This driver can also be built as a module.  If so, the module will
1105	  be called i2c-xlp9xx.
1106
1107config I2C_RCAR
1108	tristate "Renesas R-Car I2C Controller"
1109	depends on HAS_DMA
1110	depends on ARCH_RENESAS || COMPILE_TEST
1111	select I2C_SLAVE
1112	help
1113	  If you say yes to this option, support will be included for the
1114	  R-Car I2C controller.
1115
1116	  This driver can also be built as a module.  If so, the module
1117	  will be called i2c-rcar.
1118
1119comment "External I2C/SMBus adapter drivers"
1120
1121config I2C_DIOLAN_U2C
1122	tristate "Diolan U2C-12 USB adapter"
1123	depends on USB
1124	help
1125	  If you say yes to this option, support will be included for Diolan
1126	  U2C-12, a USB to I2C interface.
1127
1128	  This driver can also be built as a module.  If so, the module
1129	  will be called i2c-diolan-u2c.
1130
1131config I2C_DLN2
1132       tristate "Diolan DLN-2 USB I2C adapter"
1133       depends on MFD_DLN2
1134       help
1135	 If you say yes to this option, support will be included for Diolan
1136	 DLN2, a USB to I2C interface.
1137
1138	 This driver can also be built as a module.  If so, the module
1139	 will be called i2c-dln2.
1140
1141config I2C_PARPORT
1142	tristate "Parallel port adapter"
1143	depends on PARPORT
1144	select I2C_ALGOBIT
1145	select I2C_SMBUS
1146	help
1147	  This supports parallel port I2C adapters such as the ones made by
1148	  Philips or Velleman, Analog Devices evaluation boards, and more.
1149	  Basically any adapter using the parallel port as an I2C bus with
1150	  no extra chipset is supported by this driver, or could be.
1151
1152	  This driver is a replacement for (and was inspired by) an older
1153	  driver named i2c-philips-par.  The new driver supports more devices,
1154	  and makes it easier to add support for new devices.
1155
1156	  An adapter type parameter is now mandatory.  Please read the file
1157	  Documentation/i2c/busses/i2c-parport for details.
1158
1159	  Another driver exists, named i2c-parport-light, which doesn't depend
1160	  on the parport driver.  This is meant for embedded systems. Don't say
1161	  Y here if you intend to say Y or M there.
1162
1163	  This support is also available as a module.  If so, the module
1164	  will be called i2c-parport.
1165
1166config I2C_PARPORT_LIGHT
1167	tristate "Parallel port adapter (light)"
1168	select I2C_ALGOBIT
1169	select I2C_SMBUS
1170	help
1171	  This supports parallel port I2C adapters such as the ones made by
1172	  Philips or Velleman, Analog Devices evaluation boards, and more.
1173	  Basically any adapter using the parallel port as an I2C bus with
1174	  no extra chipset is supported by this driver, or could be.
1175
1176	  This driver is a light version of i2c-parport.  It doesn't depend
1177	  on the parport driver, and uses direct I/O access instead.  This
1178	  might be preferred on embedded systems where wasting memory for
1179	  the clean but heavy parport handling is not an option.  The
1180	  drawback is a reduced portability and the impossibility to
1181	  daisy-chain other parallel port devices.
1182
1183	  Don't say Y here if you said Y or M to i2c-parport.  Saying M to
1184	  both is possible but both modules should not be loaded at the same
1185	  time.
1186
1187	  This support is also available as a module.  If so, the module
1188	  will be called i2c-parport-light.
1189
1190config I2C_ROBOTFUZZ_OSIF
1191	tristate "RobotFuzz Open Source InterFace USB adapter"
1192	depends on USB
1193	help
1194	  If you say yes to this option, support will be included for the
1195	  RobotFuzz Open Source InterFace USB to I2C interface.
1196
1197	  This driver can also be built as a module.  If so, the module
1198	  will be called i2c-osif.
1199
1200config I2C_TAOS_EVM
1201	tristate "TAOS evaluation module"
1202	depends on TTY
1203	select SERIO
1204	select SERIO_SERPORT
1205	default n
1206	help
1207	  This supports TAOS evaluation modules on serial port. In order to
1208	  use this driver, you will need the inputattach tool, which is part
1209	  of the input-utils package.
1210
1211	  If unsure, say N.
1212
1213	  This support is also available as a module.  If so, the module
1214	  will be called i2c-taos-evm.
1215
1216config I2C_TINY_USB
1217	tristate "Tiny-USB adapter"
1218	depends on USB
1219	help
1220	  If you say yes to this option, support will be included for the
1221	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1222	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1223
1224	  This driver can also be built as a module.  If so, the module
1225	  will be called i2c-tiny-usb.
1226
1227config I2C_VIPERBOARD
1228	tristate "Viperboard I2C master support"
1229	depends on MFD_VIPERBOARD && USB
1230	help
1231	  Say yes here to access the I2C part of the Nano River
1232	  Technologies Viperboard as I2C master.
1233          See viperboard API specification and Nano
1234          River Tech's viperboard.h for detailed meaning
1235          of the module parameters.
1236
1237comment "Other I2C/SMBus bus drivers"
1238
1239config I2C_ACORN
1240	tristate "Acorn IOC/IOMD I2C bus support"
1241	depends on ARCH_ACORN
1242	default y
1243	select I2C_ALGOBIT
1244	help
1245	  Say yes if you want to support the I2C bus on Acorn platforms.
1246
1247	  If you don't know, say Y.
1248
1249config I2C_ELEKTOR
1250	tristate "Elektor ISA card"
1251	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1252	select I2C_ALGOPCF
1253	help
1254	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1255	  such an adapter.
1256
1257	  This support is also available as a module.  If so, the module
1258	  will be called i2c-elektor.
1259
1260config I2C_MLXCPLD
1261	tristate "Mellanox I2C driver"
1262	depends on X86_64
1263	help
1264	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1265	  for X86 based systems.
1266	  Controller is implemented as CPLD logic.
1267
1268	  This driver can also be built as a module. If so, the module will be
1269	  called as i2c-mlxcpld.
1270
1271config I2C_PCA_ISA
1272	tristate "PCA9564/PCA9665 on an ISA bus"
1273	depends on ISA
1274	select I2C_ALGOPCA
1275	default n
1276	help
1277	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1278	  parallel bus to I2C bus controller.
1279
1280	  This driver can also be built as a module.  If so, the module
1281	  will be called i2c-pca-isa.
1282
1283	  This device is almost undetectable and using this driver on a
1284	  system which doesn't have this device will result in long
1285	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1286	  time).  If unsure, say N.
1287
1288config I2C_SIBYTE
1289	tristate "SiByte SMBus interface"
1290	depends on SIBYTE_SB1xxx_SOC
1291	help
1292	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1293
1294config I2C_CROS_EC_TUNNEL
1295	tristate "ChromeOS EC tunnel I2C bus"
1296	depends on MFD_CROS_EC
1297	help
1298	  If you say yes here you get an I2C bus that will tunnel i2c commands
1299	  through to the other side of the ChromeOS EC to the i2c bus
1300	  connected there. This will work whatever the interface used to
1301	  talk to the EC (SPI, I2C or LPC).
1302
1303config I2C_XGENE_SLIMPRO
1304	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1305	depends on ARCH_XGENE && MAILBOX
1306	help
1307	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1308	  co-processor. The I2C device access the I2C bus via the X-Gene
1309	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1310	  If unsure, say N.
1311
1312config SCx200_ACB
1313	tristate "Geode ACCESS.bus support"
1314	depends on X86_32 && PCI
1315	help
1316	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1317	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1318
1319	  If you don't know what to do here, say N.
1320
1321	  This support is also available as a module.  If so, the module
1322	  will be called scx200_acb.
1323
1324config I2C_OPAL
1325	tristate "IBM OPAL I2C driver"
1326	depends on PPC_POWERNV
1327	default y
1328	help
1329	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1330	  the driver is based on the OPAL interfaces.
1331
1332	  This driver can also be built as a module. If so, the module will be
1333	  called as i2c-opal.
1334
1335config I2C_ZX2967
1336	tristate "ZTE ZX2967 I2C support"
1337	depends on ARCH_ZX
1338	default y
1339	help
1340	  Selecting this option will add ZX2967 I2C driver.
1341	  This driver can also be built as a module. If so, the module will be
1342	  called i2c-zx2967.
1343
1344endmenu
1345