xref: /openbmc/linux/drivers/i2c/busses/Kconfig (revision 42466b9f)
1# SPDX-License-Identifier: GPL-2.0-only
2#
3# Sensor device configuration
4#
5
6menu "I2C Hardware Bus support"
7	depends on HAS_IOMEM
8
9comment "PC SMBus host controller drivers"
10	depends on PCI
11
12config I2C_ALI1535
13	tristate "ALI 1535"
14	depends on PCI
15	help
16	  If you say yes to this option, support will be included for the SMB
17	  Host controller on Acer Labs Inc. (ALI) M1535 South Bridges.  The SMB
18	  controller is part of the 7101 device, which is an ACPI-compliant
19	  Power Management Unit (PMU).
20
21	  This driver can also be built as a module.  If so, the module
22	  will be called i2c-ali1535.
23
24config I2C_ALI1563
25	tristate "ALI 1563"
26	depends on PCI
27	help
28	  If you say yes to this option, support will be included for the SMB
29	  Host controller on Acer Labs Inc. (ALI) M1563 South Bridges.  The SMB
30	  controller is part of the 7101 device, which is an ACPI-compliant
31	  Power Management Unit (PMU).
32
33	  This driver can also be built as a module.  If so, the module
34	  will be called i2c-ali1563.
35
36config I2C_ALI15X3
37	tristate "ALI 15x3"
38	depends on PCI
39	help
40	  If you say yes to this option, support will be included for the
41	  Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
42
43	  This driver can also be built as a module.  If so, the module
44	  will be called i2c-ali15x3.
45
46config I2C_AMD756
47	tristate "AMD 756/766/768/8111 and nVidia nForce"
48	depends on PCI
49	help
50	  If you say yes to this option, support will be included for the AMD
51	  756/766/768 mainboard I2C interfaces.  The driver also includes
52	  support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
53	  the nVidia nForce I2C interface.
54
55	  This driver can also be built as a module.  If so, the module
56	  will be called i2c-amd756.
57
58config I2C_AMD756_S4882
59	tristate "SMBus multiplexing on the Tyan S4882"
60	depends on I2C_AMD756 && X86
61	help
62	  Enabling this option will add specific SMBus support for the Tyan
63	  S4882 motherboard.  On this 4-CPU board, the SMBus is multiplexed
64	  over 8 different channels, where the various memory module EEPROMs
65	  and temperature sensors live.  Saying yes here will give you access
66	  to these in addition to the trunk.
67
68	  This driver can also be built as a module.  If so, the module
69	  will be called i2c-amd756-s4882.
70
71config I2C_AMD8111
72	tristate "AMD 8111"
73	depends on PCI
74	help
75	  If you say yes to this option, support will be included for the
76	  second (SMBus 2.0) AMD 8111 mainboard I2C interface.
77
78	  This driver can also be built as a module.  If so, the module
79	  will be called i2c-amd8111.
80
81config I2C_AMD_MP2
82	tristate "AMD MP2 PCIe"
83	depends on PCI && ACPI
84	help
85	  If you say yes to this option, support will be included for the AMD
86	  MP2 PCIe I2C adapter.
87
88	  This driver can also be built as modules.  If so, the modules will
89	  be called i2c-amd-mp2-pci and i2c-amd-mp2-plat.
90
91config I2C_HIX5HD2
92	tristate "Hix5hd2 high-speed I2C driver"
93	depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
94	help
95	  Say Y here to include support for the high-speed I2C controller
96	  used in HiSilicon hix5hd2 SoCs.
97
98	  This driver can also be built as a module. If so, the module
99	  will be called i2c-hix5hd2.
100
101config I2C_I801
102	tristate "Intel 82801 (ICH/PCH)"
103	depends on PCI
104	select CHECK_SIGNATURE if X86 && DMI
105	select I2C_SMBUS
106	help
107	  If you say yes to this option, support will be included for the Intel
108	  801 family of mainboard I2C interfaces.  Specifically, the following
109	  versions of the chipset are supported:
110	    82801AA
111	    82801AB
112	    82801BA
113	    82801CA/CAM
114	    82801DB
115	    82801EB/ER (ICH5/ICH5R)
116	    6300ESB
117	    ICH6
118	    ICH7
119	    ESB2
120	    ICH8
121	    ICH9
122	    EP80579 (Tolapai)
123	    ICH10
124	    5/3400 Series (PCH)
125	    6 Series (PCH)
126	    Patsburg (PCH)
127	    DH89xxCC (PCH)
128	    Panther Point (PCH)
129	    Lynx Point (PCH)
130	    Avoton (SOC)
131	    Wellsburg (PCH)
132	    Coleto Creek (PCH)
133	    Wildcat Point (PCH)
134	    BayTrail (SOC)
135	    Braswell (SOC)
136	    Sunrise Point (PCH)
137	    Kaby Lake (PCH)
138	    DNV (SOC)
139	    Broxton (SOC)
140	    Lewisburg (PCH)
141	    Gemini Lake (SOC)
142	    Cannon Lake (PCH)
143	    Cedar Fork (PCH)
144	    Ice Lake (PCH)
145	    Comet Lake (PCH)
146	    Elkhart Lake (PCH)
147	    Tiger Lake (PCH)
148
149	  This driver can also be built as a module.  If so, the module
150	  will be called i2c-i801.
151
152config I2C_ISCH
153	tristate "Intel SCH SMBus 1.0"
154	depends on PCI
155	select LPC_SCH
156	help
157	  Say Y here if you want to use SMBus controller on the Intel SCH
158	  based systems.
159
160	  This driver can also be built as a module. If so, the module
161	  will be called i2c-isch.
162
163config I2C_ISMT
164	tristate "Intel iSMT SMBus Controller"
165	depends on PCI && X86
166	help
167	  If you say yes to this option, support will be included for the Intel
168	  iSMT SMBus host controller interface.
169
170	  This driver can also be built as a module.  If so, the module will be
171	  called i2c-ismt.
172
173config I2C_PIIX4
174	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
175	depends on PCI
176	help
177	  If you say yes to this option, support will be included for the Intel
178	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
179	  versions of the chipset are supported (note that Serverworks is part
180	  of Broadcom):
181	    Intel PIIX4
182	    Intel 440MX
183	    ATI IXP200
184	    ATI IXP300
185	    ATI IXP400
186	    ATI SB600
187	    ATI SB700/SP5100
188	    ATI SB800
189	    AMD Hudson-2
190	    AMD ML
191	    AMD CZ
192	    Hygon CZ
193	    Serverworks OSB4
194	    Serverworks CSB5
195	    Serverworks CSB6
196	    Serverworks HT-1000
197	    Serverworks HT-1100
198	    SMSC Victory66
199
200	  Some AMD chipsets contain two PIIX4-compatible SMBus
201	  controllers. This driver will attempt to use both controllers
202	  on the SB700/SP5100, if they have been initialized by the BIOS.
203
204	  This driver can also be built as a module.  If so, the module
205	  will be called i2c-piix4.
206
207config I2C_CHT_WC
208	tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
209	depends on INTEL_SOC_PMIC_CHTWC
210	help
211	  If you say yes to this option, support will be included for the
212	  SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
213	  found on some Intel Cherry Trail systems.
214
215	  Note this controller is hooked up to a TI bq24292i charger-IC,
216	  combined with a FUSB302 Type-C port-controller as such it is advised
217	  to also select CONFIG_TYPEC_FUSB302=m.
218
219config I2C_NFORCE2
220	tristate "Nvidia nForce2, nForce3 and nForce4"
221	depends on PCI
222	help
223	  If you say yes to this option, support will be included for the Nvidia
224	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
225
226	  This driver can also be built as a module.  If so, the module
227	  will be called i2c-nforce2.
228
229config I2C_NFORCE2_S4985
230	tristate "SMBus multiplexing on the Tyan S4985"
231	depends on I2C_NFORCE2 && X86
232	help
233	  Enabling this option will add specific SMBus support for the Tyan
234	  S4985 motherboard.  On this 4-CPU board, the SMBus is multiplexed
235	  over 4 different channels, where the various memory module EEPROMs
236	  live.  Saying yes here will give you access to these in addition
237	  to the trunk.
238
239	  This driver can also be built as a module.  If so, the module
240	  will be called i2c-nforce2-s4985.
241
242config I2C_NVIDIA_GPU
243	tristate "NVIDIA GPU I2C controller"
244	depends on PCI
245	help
246	  If you say yes to this option, support will be included for the
247	  NVIDIA GPU I2C controller which is used to communicate with the GPU's
248	  Type-C controller. This driver can also be built as a module called
249	  i2c-nvidia-gpu.
250
251config I2C_SIS5595
252	tristate "SiS 5595"
253	depends on PCI
254	help
255	  If you say yes to this option, support will be included for the
256	  SiS5595 SMBus (a subset of I2C) interface.
257
258	  This driver can also be built as a module.  If so, the module
259	  will be called i2c-sis5595.
260
261config I2C_SIS630
262	tristate "SiS 630/730/964"
263	depends on PCI
264	help
265	  If you say yes to this option, support will be included for the
266	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
267
268	  This driver can also be built as a module.  If so, the module
269	  will be called i2c-sis630.
270
271config I2C_SIS96X
272	tristate "SiS 96x"
273	depends on PCI
274	help
275	  If you say yes to this option, support will be included for the SiS
276	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
277	  chipsets are supported:
278	    645/961
279	    645DX/961
280	    645DX/962
281	    648/961
282	    650/961
283	    735
284	    745
285
286	  This driver can also be built as a module.  If so, the module
287	  will be called i2c-sis96x.
288
289config I2C_VIA
290	tristate "VIA VT82C586B"
291	depends on PCI
292	select I2C_ALGOBIT
293	help
294	  If you say yes to this option, support will be included for the VIA
295          82C586B I2C interface
296
297	  This driver can also be built as a module.  If so, the module
298	  will be called i2c-via.
299
300config I2C_VIAPRO
301	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
302	depends on PCI
303	help
304	  If you say yes to this option, support will be included for the VIA
305	  VT82C596 and later SMBus interface.  Specifically, the following
306	  chipsets are supported:
307	    VT82C596A/B
308	    VT82C686A/B
309	    VT8231
310	    VT8233/A
311	    VT8235
312	    VT8237R/A/S
313	    VT8251
314	    CX700
315	    VX800/VX820
316	    VX855/VX875
317	    VX900
318
319	  This driver can also be built as a module.  If so, the module
320	  will be called i2c-viapro.
321
322if ACPI
323
324comment "ACPI drivers"
325
326config I2C_SCMI
327	tristate "SMBus Control Method Interface"
328	help
329	  This driver supports the SMBus Control Method Interface. It needs the
330	  BIOS to declare ACPI control methods as described in the SMBus Control
331	  Method Interface specification.
332
333	  To compile this driver as a module, choose M here:
334	  the module will be called i2c-scmi.
335
336endif # ACPI
337
338comment "Mac SMBus host controller drivers"
339	depends on PPC_CHRP || PPC_PMAC
340
341config I2C_HYDRA
342	tristate "CHRP Apple Hydra Mac I/O I2C interface"
343	depends on PCI && PPC_CHRP
344	select I2C_ALGOBIT
345	help
346	  This supports the use of the I2C interface in the Apple Hydra Mac
347	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
348	  have such a machine.
349
350	  This support is also available as a module.  If so, the module
351	  will be called i2c-hydra.
352
353config I2C_POWERMAC
354	tristate "Powermac I2C interface"
355	depends on PPC_PMAC
356	default y
357	help
358	  This exposes the various PowerMac i2c interfaces to the linux i2c
359	  layer and to userland. It is used by various drivers on the PowerMac
360	  platform, and should generally be enabled.
361
362	  This support is also available as a module.  If so, the module
363	  will be called i2c-powermac.
364
365comment "I2C system bus drivers (mostly embedded / system-on-chip)"
366
367config I2C_ALTERA
368	tristate "Altera Soft IP I2C"
369	depends on (ARCH_SOCFPGA || NIOS2) && OF
370	help
371	  If you say yes to this option, support will be included for the
372	  Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
373
374	  This driver can also be built as a module.  If so, the module
375	  will be called i2c-altera.
376
377config I2C_ASPEED
378	tristate "Aspeed I2C Controller"
379	depends on ARCH_ASPEED || COMPILE_TEST
380	help
381	  If you say yes to this option, support will be included for the
382	  Aspeed I2C controller.
383
384	  This driver can also be built as a module.  If so, the module
385	  will be called i2c-aspeed.
386
387config I2C_AT91
388	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
389	depends on ARCH_AT91
390	help
391	  This supports the use of the I2C interface on Atmel AT91
392	  processors.
393
394	  A serious problem is that there is no documented way to issue
395	  repeated START conditions for more than two messages, as needed
396	  to support combined I2C messages.  Use the i2c-gpio driver
397	  unless your system can cope with this limitation.
398
399	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
400	  don't have clock stretching in transmission mode. For that reason,
401	  you can encounter underrun issues causing premature stop sendings if
402	  the latency to fill the transmission register is too long. If you
403	  are facing this situation, use the i2c-gpio driver.
404
405config I2C_AT91_SLAVE_EXPERIMENTAL
406	tristate "Microchip AT91 I2C experimental slave mode"
407	depends on I2C_AT91
408	select I2C_SLAVE
409	help
410	  If you say yes to this option, support for the slave mode will be
411	  added. Caution: do not use it for production. This feature has not
412	  been tested in a heavy way, help wanted.
413	  There are known bugs:
414	    - It can hang, on a SAMA5D4, after several transfers.
415	    - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as
416	    master.
417
418config I2C_AU1550
419	tristate "Au1550/Au1200/Au1300 SMBus interface"
420	depends on MIPS_ALCHEMY
421	help
422	  If you say yes to this option, support will be included for the
423	  Au1550/Au1200/Au1300 SMBus interface.
424
425	  This driver can also be built as a module.  If so, the module
426	  will be called i2c-au1550.
427
428config I2C_AXXIA
429	tristate "Axxia I2C controller"
430	depends on ARCH_AXXIA || COMPILE_TEST
431	default ARCH_AXXIA
432	select I2C_SLAVE
433	help
434	  Say yes if you want to support the I2C bus on Axxia platforms.
435
436	  Please note that this controller is limited to transfers of maximum
437	  255 bytes in length. Any attempt to to a larger transfer will return
438	  an error.
439
440config I2C_BCM2835
441	tristate "Broadcom BCM2835 I2C controller"
442	depends on ARCH_BCM2835 || ARCH_BRCMSTB
443	help
444	  If you say yes to this option, support will be included for the
445	  BCM2835 I2C controller.
446
447	  If you don't know what to do here, say N.
448
449	  This support is also available as a module.  If so, the module
450	  will be called i2c-bcm2835.
451
452config I2C_BCM_IPROC
453	tristate "Broadcom iProc I2C controller"
454	depends on ARCH_BCM_IPROC || COMPILE_TEST
455	default ARCH_BCM_IPROC
456	select I2C_SLAVE
457	help
458	  If you say yes to this option, support will be included for the
459	  Broadcom iProc I2C controller.
460
461	  If you don't know what to do here, say N.
462
463config I2C_BCM_KONA
464	tristate "BCM Kona I2C adapter"
465	depends on ARCH_BCM_MOBILE
466	default y
467	help
468	  If you say yes to this option, support will be included for the
469	  I2C interface on the Broadcom Kona family of processors.
470
471	  If you do not need KONA I2C interface, say N.
472
473config I2C_BRCMSTB
474	tristate "BRCM Settop/DSL I2C controller"
475	depends on ARCH_BRCMSTB || BMIPS_GENERIC || ARCH_BCM_63XX || \
476		   COMPILE_TEST
477	default y
478	help
479	  If you say yes to this option, support will be included for the
480	  I2C interface on the Broadcom Settop/DSL SoCs.
481
482	  If you do not need I2C interface, say N.
483
484config I2C_CADENCE
485	tristate "Cadence I2C Controller"
486	depends on ARCH_ZYNQ || ARM64 || XTENSA
487	help
488	  Say yes here to select Cadence I2C Host Controller. This controller is
489	  e.g. used by Xilinx Zynq.
490
491config I2C_CBUS_GPIO
492	tristate "CBUS I2C driver"
493	depends on GPIOLIB || COMPILE_TEST
494	help
495	  Support for CBUS access using I2C API. Mostly relevant for Nokia
496	  Internet Tablets (770, N800 and N810).
497
498	  This driver can also be built as a module.  If so, the module
499	  will be called i2c-cbus-gpio.
500
501config I2C_CPM
502	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
503	depends on CPM1 || CPM2
504	help
505	  This supports the use of the I2C interface on Freescale
506	  processors with CPM1 or CPM2.
507
508	  This driver can also be built as a module.  If so, the module
509	  will be called i2c-cpm.
510
511config I2C_DAVINCI
512	tristate "DaVinci I2C driver"
513	depends on ARCH_DAVINCI || ARCH_KEYSTONE
514	help
515	  Support for TI DaVinci I2C controller driver.
516
517	  This driver can also be built as a module.  If so, the module
518	  will be called i2c-davinci.
519
520	  Please note that this driver might be needed to bring up other
521	  devices such as DaVinci NIC.
522	  For details please see http://www.ti.com/davinci
523
524config I2C_DESIGNWARE_CORE
525	tristate
526
527config I2C_DESIGNWARE_PLATFORM
528	tristate "Synopsys DesignWare Platform"
529	select I2C_DESIGNWARE_CORE
530	depends on (ACPI && COMMON_CLK) || !ACPI
531	help
532	  If you say yes to this option, support will be included for the
533	  Synopsys DesignWare I2C adapter.
534
535	  This driver can also be built as a module.  If so, the module
536	  will be called i2c-designware-platform.
537
538config I2C_DESIGNWARE_SLAVE
539	bool "Synopsys DesignWare Slave"
540	select I2C_SLAVE
541	depends on I2C_DESIGNWARE_PLATFORM
542	help
543	  If you say yes to this option, support will be included for the
544	  Synopsys DesignWare I2C slave adapter.
545
546	  This is not a standalone module, this module compiles together with
547	  i2c-designware-core.
548
549config I2C_DESIGNWARE_PCI
550	tristate "Synopsys DesignWare PCI"
551	depends on PCI
552	select I2C_DESIGNWARE_CORE
553	help
554	  If you say yes to this option, support will be included for the
555	  Synopsys DesignWare I2C adapter. Only master mode is supported.
556
557	  This driver can also be built as a module.  If so, the module
558	  will be called i2c-designware-pci.
559
560config I2C_DESIGNWARE_BAYTRAIL
561	bool "Intel Baytrail I2C semaphore support"
562	depends on ACPI
563	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
564		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
565	help
566	  This driver enables managed host access to the PMIC I2C bus on select
567	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
568	  the host to request uninterrupted access to the PMIC's I2C bus from
569	  the platform firmware controlling it. You should say Y if running on
570	  a BayTrail system using the AXP288.
571
572config I2C_DIGICOLOR
573	tristate "Conexant Digicolor I2C driver"
574	depends on ARCH_DIGICOLOR
575	help
576	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
577
578	  This driver can also be built as a module.  If so, the module
579	  will be called i2c-digicolor.
580
581config I2C_EFM32
582	tristate "EFM32 I2C controller"
583	depends on ARCH_EFM32 || COMPILE_TEST
584	help
585	  This driver supports the i2c block found in Energy Micro's EFM32
586	  SoCs.
587
588config I2C_EG20T
589	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
590	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
591	help
592	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
593	  is an IOH(Input/Output Hub) for x86 embedded processor.
594	  This driver can access PCH I2C bus device.
595
596	  This driver also can be used for LAPIS Semiconductor IOH(Input/
597	  Output Hub), ML7213, ML7223 and ML7831.
598	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
599	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
600	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
601	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
602
603config I2C_EMEV2
604	tristate "EMMA Mobile series I2C adapter"
605	depends on HAVE_CLK
606	select I2C_SLAVE
607	help
608	  If you say yes to this option, support will be included for the
609	  I2C interface on the Renesas Electronics EM/EV family of processors.
610
611config I2C_EXYNOS5
612	tristate "Exynos5 high-speed I2C driver"
613	depends on ARCH_EXYNOS && OF
614	default y
615	help
616	  High-speed I2C controller on Exynos5 based Samsung SoCs.
617
618config I2C_GPIO
619	tristate "GPIO-based bitbanging I2C"
620	depends on GPIOLIB || COMPILE_TEST
621	select I2C_ALGOBIT
622	help
623	  This is a very simple bitbanging I2C driver utilizing the
624	  arch-neutral GPIO API to control the SCL and SDA lines.
625
626config I2C_GPIO_FAULT_INJECTOR
627	bool "GPIO-based fault injector"
628	depends on I2C_GPIO
629	help
630	  This adds some functionality to the i2c-gpio driver which can inject
631	  faults to an I2C bus, so another bus master can be stress-tested.
632	  This is for debugging. If unsure, say 'no'.
633
634config I2C_HIGHLANDER
635	tristate "Highlander FPGA SMBus interface"
636	depends on SH_HIGHLANDER
637	help
638	  If you say yes to this option, support will be included for
639	  the SMBus interface located in the FPGA on various Highlander
640	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
641	  FPGAs. This is wholly unrelated to the SoC I2C.
642
643	  This driver can also be built as a module.  If so, the module
644	  will be called i2c-highlander.
645
646config I2C_IBM_IIC
647	tristate "IBM PPC 4xx on-chip I2C interface"
648	depends on 4xx
649	help
650	  Say Y here if you want to use IIC peripheral found on
651	  embedded IBM PPC 4xx based systems.
652
653	  This driver can also be built as a module.  If so, the module
654	  will be called i2c-ibm_iic.
655
656config I2C_IMG
657	tristate "Imagination Technologies I2C SCB Controller"
658	depends on MIPS || COMPILE_TEST
659	help
660	  Say Y here if you want to use the IMG I2C SCB controller,
661	  available on the TZ1090 and other IMG SoCs.
662
663	  This driver can also be built as a module.  If so, the module
664	  will be called i2c-img-scb.
665
666config I2C_IMX
667	tristate "IMX I2C interface"
668	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE
669	help
670	  Say Y here if you want to use the IIC bus controller on
671	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
672
673	  This driver can also be built as a module.  If so, the module
674	  will be called i2c-imx.
675
676config I2C_IMX_LPI2C
677	tristate "IMX Low Power I2C interface"
678	depends on ARCH_MXC || COMPILE_TEST
679	help
680          Say Y here if you want to use the Low Power IIC bus controller
681          on the Freescale i.MX processors.
682
683          This driver can also be built as a module. If so, the module
684          will be called i2c-imx-lpi2c.
685
686config I2C_IOP3XX
687	tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
688	depends on ARCH_IOP32X || ARCH_IXP4XX
689	help
690	  Say Y here if you want to use the IIC bus controller on
691	  the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
692
693	  This driver can also be built as a module.  If so, the module
694	  will be called i2c-iop3xx.
695
696config I2C_JZ4780
697	tristate "JZ4780 I2C controller interface support"
698	depends on MIPS || COMPILE_TEST
699	help
700	 If you say yes to this option, support will be included for the
701	 Ingenic JZ4780 I2C controller.
702
703	 If you don't know what to do here, say N.
704
705config I2C_KEMPLD
706	tristate "Kontron COM I2C Controller"
707	depends on MFD_KEMPLD
708	help
709	  This enables support for the I2C bus interface on some Kontron ETX
710	  and COMexpress (ETXexpress) modules.
711
712	  This driver can also be built as a module. If so, the module
713	  will be called i2c-kempld.
714
715config I2C_LPC2K
716	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
717	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
718	help
719	  This driver supports the I2C interface found several NXP
720	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
721
722	  This driver can also be built as a module.  If so, the module
723	  will be called i2c-lpc2k.
724
725config I2C_MESON
726	tristate "Amlogic Meson I2C controller"
727	depends on ARCH_MESON || COMPILE_TEST
728	help
729	  If you say yes to this option, support will be included for the
730	  I2C interface on the Amlogic Meson family of SoCs.
731
732config I2C_MPC
733	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
734	depends on PPC
735	help
736	  If you say yes to this option, support will be included for the
737	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
738	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
739
740	  This driver can also be built as a module.  If so, the module
741	  will be called i2c-mpc.
742
743config I2C_MT65XX
744	tristate "MediaTek I2C adapter"
745	depends on ARCH_MEDIATEK || COMPILE_TEST
746	help
747	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
748	  for MT65xx and MT81xx.
749	  If you want to use MediaTek(R) I2C interface, say Y or M here.
750	  If unsure, say N.
751
752config I2C_MT7621
753	tristate "MT7621/MT7628 I2C Controller"
754	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST
755	help
756	  Say Y here to include support for I2C controller in the
757	  MediaTek MT7621/MT7628 SoCs.
758
759config I2C_MV64XXX
760	tristate "Marvell mv64xxx I2C Controller"
761	depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
762	help
763	  If you say yes to this option, support will be included for the
764	  built-in I2C interface on the Marvell 64xxx line of host bridges.
765	  This driver is also used for Allwinner SoCs I2C controllers.
766
767	  This driver can also be built as a module.  If so, the module
768	  will be called i2c-mv64xxx.
769
770config I2C_MXS
771	tristate "Freescale i.MX28 I2C interface"
772	depends on SOC_IMX28
773	select STMP_DEVICE
774	help
775	  Say Y here if you want to use the I2C bus controller on
776	  the Freescale i.MX28 processors.
777
778	  This driver can also be built as a module.  If so, the module
779	  will be called i2c-mxs.
780
781config I2C_NOMADIK
782	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
783	depends on ARM_AMBA
784	help
785	  If you say yes to this option, support will be included for the
786	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
787	  as well as the STA2X11 PCIe I/O HUB.
788
789config I2C_OCORES
790	tristate "OpenCores I2C Controller"
791	help
792	  If you say yes to this option, support will be included for the
793	  OpenCores I2C controller. For details see
794	  http://www.opencores.org/projects.cgi/web/i2c/overview
795
796	  This driver can also be built as a module.  If so, the module
797	  will be called i2c-ocores.
798
799config I2C_OMAP
800	tristate "OMAP I2C adapter"
801	depends on ARCH_OMAP || ARCH_K3
802	default y if MACH_OMAP_H3 || MACH_OMAP_OSK
803	help
804	  If you say yes to this option, support will be included for the
805	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
806	  Like OMAP1510/1610/1710/5912 and OMAP242x.
807	  For details see http://www.ti.com/omap.
808
809config I2C_OWL
810	tristate "Actions Semiconductor Owl I2C Controller"
811	depends on ARCH_ACTIONS || COMPILE_TEST
812	help
813	  Say Y here if you want to use the I2C bus controller on
814	  the Actions Semiconductor Owl SoC's.
815
816config I2C_PASEMI
817	tristate "PA Semi SMBus interface"
818	depends on PPC_PASEMI && PCI
819	help
820	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
821
822config I2C_PCA_PLATFORM
823	tristate "PCA9564/PCA9665 as platform device"
824	select I2C_ALGOPCA
825	default n
826	help
827	  This driver supports a memory mapped Philips PCA9564/PCA9665
828	  parallel bus to I2C bus controller.
829
830	  This driver can also be built as a module.  If so, the module
831	  will be called i2c-pca-platform.
832
833config I2C_PMCMSP
834	tristate "PMC MSP I2C TWI Controller"
835	depends on PMC_MSP
836	help
837	  This driver supports the PMC TWI controller on MSP devices.
838
839	  This driver can also be built as module. If so, the module
840	  will be called i2c-pmcmsp.
841
842config I2C_PNX
843	tristate "I2C bus support for Philips PNX and NXP LPC targets"
844	depends on ARCH_LPC32XX
845	help
846	  This driver supports the Philips IP3204 I2C IP block master and/or
847	  slave controller
848
849	  This driver can also be built as a module.  If so, the module
850	  will be called i2c-pnx.
851
852config I2C_PUV3
853	tristate "PKUnity v3 I2C bus support"
854	depends on UNICORE32 && ARCH_PUV3
855	select I2C_ALGOBIT
856	help
857	  This driver supports the I2C IP inside the PKUnity-v3 SoC.
858	  This I2C bus controller is under AMBA/AXI bus.
859
860	  This driver can also be built as a module.  If so, the module
861	  will be called i2c-puv3.
862
863config I2C_PXA
864	tristate "Intel PXA2XX I2C adapter"
865	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF)
866	help
867	  If you have devices in the PXA I2C bus, say yes to this option.
868	  This driver can also be built as a module.  If so, the module
869	  will be called i2c-pxa.
870
871config I2C_PXA_PCI
872	def_bool I2C_PXA && X86_32 && PCI && OF
873
874config I2C_PXA_SLAVE
875	bool "Intel PXA2XX I2C Slave comms support"
876	depends on I2C_PXA && !X86_32
877	help
878	  Support I2C slave mode communications on the PXA I2C bus.  This
879	  is necessary for systems where the PXA may be a target on the
880	  I2C bus.
881
882config I2C_QCOM_GENI
883	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
884	depends on ARCH_QCOM || COMPILE_TEST
885	depends on QCOM_GENI_SE
886	help
887	  This driver supports GENI serial engine based I2C controller in
888	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
889	  yes to this option, support will be included for the built-in I2C
890	  interface on the Qualcomm Technologies Inc.'s SoCs.
891
892	  This driver can also be built as a module.  If so, the module
893	  will be called i2c-qcom-geni.
894
895config I2C_QUP
896	tristate "Qualcomm QUP based I2C controller"
897	depends on ARCH_QCOM
898	help
899	  If you say yes to this option, support will be included for the
900	  built-in I2C interface on the Qualcomm SoCs.
901
902	  This driver can also be built as a module.  If so, the module
903	  will be called i2c-qup.
904
905config I2C_RIIC
906	tristate "Renesas RIIC adapter"
907	depends on ARCH_RENESAS || COMPILE_TEST
908	help
909	  If you say yes to this option, support will be included for the
910	  Renesas RIIC I2C interface.
911
912	  This driver can also be built as a module.  If so, the module
913	  will be called i2c-riic.
914
915config I2C_RK3X
916	tristate "Rockchip RK3xxx I2C adapter"
917	depends on OF && COMMON_CLK
918	help
919	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
920	  SoCs.
921
922	  This driver can also be built as a module. If so, the module will
923	  be called i2c-rk3x.
924
925config HAVE_S3C2410_I2C
926	bool
927	help
928	  This will include I2C support for Samsung SoCs. If you want to
929	  include I2C support for any machine, kindly select this in the
930	  respective Kconfig file.
931
932config I2C_S3C2410
933	tristate "S3C2410 I2C Driver"
934	depends on HAVE_S3C2410_I2C
935	help
936	  Say Y here to include support for I2C controller in the
937	  Samsung SoCs.
938
939config I2C_SH7760
940	tristate "Renesas SH7760 I2C Controller"
941	depends on CPU_SUBTYPE_SH7760
942	help
943	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
944
945	  This driver can also be built as a module.  If so, the module
946	  will be called i2c-sh7760.
947
948config I2C_SH_MOBILE
949	tristate "SuperH Mobile I2C Controller"
950	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
951	help
952	  If you say yes to this option, support will be included for the
953	  built-in I2C interface on the Renesas SH-Mobile processor.
954
955	  This driver can also be built as a module.  If so, the module
956	  will be called i2c-sh_mobile.
957
958config I2C_SIMTEC
959	tristate "Simtec Generic I2C interface"
960	select I2C_ALGOBIT
961	help
962	  If you say yes to this option, support will be included for
963	  the Simtec Generic I2C interface. This driver is for the
964	  simple I2C bus used on newer Simtec products for general
965	  I2C, such as DDC on the Simtec BBD2016A.
966
967	  This driver can also be built as a module. If so, the module
968	  will be called i2c-simtec.
969
970config I2C_SIRF
971	tristate "CSR SiRFprimaII I2C interface"
972	depends on ARCH_SIRF
973	help
974	  If you say yes to this option, support will be included for the
975	  CSR SiRFprimaII I2C interface.
976
977	  This driver can also be built as a module.  If so, the module
978	  will be called i2c-sirf.
979
980config I2C_SPRD
981	tristate "Spreadtrum I2C interface"
982	depends on I2C=y && ARCH_SPRD
983	help
984	  If you say yes to this option, support will be included for the
985	  Spreadtrum I2C interface.
986
987config I2C_ST
988	tristate "STMicroelectronics SSC I2C support"
989	depends on ARCH_STI
990	help
991	  Enable this option to add support for STMicroelectronics SoCs
992	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
993
994	  This driver can also be built as module. If so, the module
995	  will be called i2c-st.
996
997config I2C_STM32F4
998	tristate "STMicroelectronics STM32F4 I2C support"
999	depends on ARCH_STM32 || COMPILE_TEST
1000	help
1001	  Enable this option to add support for STM32 I2C controller embedded
1002	  in STM32F4 SoCs.
1003
1004	  This driver can also be built as module. If so, the module
1005	  will be called i2c-stm32f4.
1006
1007config I2C_STM32F7
1008	tristate "STMicroelectronics STM32F7 I2C support"
1009	depends on ARCH_STM32 || COMPILE_TEST
1010	select I2C_SLAVE
1011	help
1012	  Enable this option to add support for STM32 I2C controller embedded
1013	  in STM32F7 SoCs.
1014
1015	  This driver can also be built as module. If so, the module
1016	  will be called i2c-stm32f7.
1017
1018config I2C_STU300
1019	tristate "ST Microelectronics DDC I2C interface"
1020	depends on MACH_U300
1021	default y if MACH_U300
1022	help
1023	  If you say yes to this option, support will be included for the
1024	  I2C interface from ST Microelectronics simply called "DDC I2C"
1025	  supporting both I2C and DDC, used in e.g. the U300 series
1026	  mobile platforms.
1027
1028	  This driver can also be built as a module. If so, the module
1029	  will be called i2c-stu300.
1030
1031config I2C_SUN6I_P2WI
1032	tristate "Allwinner sun6i internal P2WI controller"
1033	depends on RESET_CONTROLLER
1034	depends on MACH_SUN6I || COMPILE_TEST
1035	help
1036	  If you say yes to this option, support will be included for the
1037	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1038	  SOCs.
1039	  The P2WI looks like an SMBus controller (which supports only byte
1040	  accesses), except that it only supports one slave device.
1041	  This interface is used to connect to specific PMIC devices (like the
1042	  AXP221).
1043
1044config I2C_SYNQUACER
1045	tristate "Socionext SynQuacer I2C controller"
1046	depends on ARCH_SYNQUACER || COMPILE_TEST
1047	help
1048	  Say Y here to include support for the I2C controller used in some
1049	  Fujitsu and Socionext SoCs.
1050
1051	  This driver can also be built as a module. If so, the module
1052	  will be called i2c-synquacer.
1053
1054config I2C_TEGRA
1055	tristate "NVIDIA Tegra internal I2C controller"
1056	depends on ARCH_TEGRA
1057	help
1058	  If you say yes to this option, support will be included for the
1059	  I2C controller embedded in NVIDIA Tegra SOCs
1060
1061config I2C_TEGRA_BPMP
1062	tristate "NVIDIA Tegra BPMP I2C controller"
1063	depends on TEGRA_BPMP
1064	default y
1065	help
1066	  If you say yes to this option, support will be included for the I2C
1067	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1068
1069	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1070	  of the BPMP firmware, and this driver merely communicates with that
1071	  real driver.
1072
1073config I2C_UNIPHIER
1074	tristate "UniPhier FIFO-less I2C controller"
1075	depends on ARCH_UNIPHIER || COMPILE_TEST
1076	help
1077	  If you say yes to this option, support will be included for
1078	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1079	  or older UniPhier SoCs.
1080
1081config I2C_UNIPHIER_F
1082	tristate "UniPhier FIFO-builtin I2C controller"
1083	depends on ARCH_UNIPHIER || COMPILE_TEST
1084	help
1085	  If you say yes to this option, support will be included for
1086	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1087	  PH1-Pro5, or newer UniPhier SoCs.
1088
1089config I2C_VERSATILE
1090	tristate "ARM Versatile/Realview I2C bus support"
1091	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1092	select I2C_ALGOBIT
1093	help
1094	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1095	  range of platforms.
1096
1097	  This driver can also be built as a module.  If so, the module
1098	  will be called i2c-versatile.
1099
1100config I2C_WMT
1101	tristate "Wondermedia WM8xxx SoC I2C bus support"
1102	depends on ARCH_VT8500
1103	help
1104	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1105	  SoCs.
1106
1107	  This driver can also be built as a module. If so, the module will be
1108	  called i2c-wmt.
1109
1110config I2C_OCTEON
1111	tristate "Cavium OCTEON I2C bus support"
1112	depends on CAVIUM_OCTEON_SOC
1113	help
1114	  Say yes if you want to support the I2C serial bus on Cavium
1115	  OCTEON SOC.
1116
1117	  This driver can also be built as a module.  If so, the module
1118	  will be called i2c-octeon.
1119
1120config I2C_THUNDERX
1121	tristate "Cavium ThunderX I2C bus support"
1122	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1123	select I2C_SMBUS
1124	help
1125	  Say yes if you want to support the I2C serial bus on Cavium
1126	  ThunderX SOC.
1127
1128	  This driver can also be built as a module.  If so, the module
1129	  will be called i2c-thunderx.
1130
1131config I2C_XILINX
1132	tristate "Xilinx I2C Controller"
1133	depends on HAS_IOMEM
1134	help
1135	  If you say yes to this option, support will be included for the
1136	  Xilinx I2C controller.
1137
1138	  This driver can also be built as a module.  If so, the module
1139	  will be called xilinx_i2c.
1140
1141config I2C_XLR
1142	tristate "Netlogic XLR and Sigma Designs I2C support"
1143	depends on CPU_XLR || ARCH_TANGO
1144	help
1145	  This driver enables support for the on-chip I2C interface of
1146	  the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
1147
1148	  This driver can also be built as a module.  If so, the module
1149	  will be called i2c-xlr.
1150
1151config I2C_XLP9XX
1152	tristate "XLP9XX I2C support"
1153	depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST
1154	help
1155	  This driver enables support for the on-chip I2C interface of
1156	  the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
1157
1158	  This driver can also be built as a module.  If so, the module will
1159	  be called i2c-xlp9xx.
1160
1161config I2C_RCAR
1162	tristate "Renesas R-Car I2C Controller"
1163	depends on ARCH_RENESAS || COMPILE_TEST
1164	select I2C_SLAVE
1165	help
1166	  If you say yes to this option, support will be included for the
1167	  R-Car I2C controller.
1168
1169	  This driver can also be built as a module.  If so, the module
1170	  will be called i2c-rcar.
1171
1172comment "External I2C/SMBus adapter drivers"
1173
1174config I2C_DIOLAN_U2C
1175	tristate "Diolan U2C-12 USB adapter"
1176	depends on USB
1177	help
1178	  If you say yes to this option, support will be included for Diolan
1179	  U2C-12, a USB to I2C interface.
1180
1181	  This driver can also be built as a module.  If so, the module
1182	  will be called i2c-diolan-u2c.
1183
1184config I2C_DLN2
1185       tristate "Diolan DLN-2 USB I2C adapter"
1186       depends on MFD_DLN2
1187       help
1188	 If you say yes to this option, support will be included for Diolan
1189	 DLN2, a USB to I2C interface.
1190
1191	 This driver can also be built as a module.  If so, the module
1192	 will be called i2c-dln2.
1193
1194config I2C_PARPORT
1195	tristate "Parallel port adapter"
1196	depends on PARPORT
1197	select I2C_ALGOBIT
1198	select I2C_SMBUS
1199	help
1200	  This supports parallel port I2C adapters such as the ones made by
1201	  Philips or Velleman, Analog Devices evaluation boards, and more.
1202	  Basically any adapter using the parallel port as an I2C bus with
1203	  no extra chipset is supported by this driver, or could be.
1204
1205	  This driver is a replacement for (and was inspired by) an older
1206	  driver named i2c-philips-par.  The new driver supports more devices,
1207	  and makes it easier to add support for new devices.
1208
1209	  An adapter type parameter is now mandatory.  Please read the file
1210	  Documentation/i2c/busses/i2c-parport.rst for details.
1211
1212	  Another driver exists, named i2c-parport-light, which doesn't depend
1213	  on the parport driver.  This is meant for embedded systems. Don't say
1214	  Y here if you intend to say Y or M there.
1215
1216	  This support is also available as a module.  If so, the module
1217	  will be called i2c-parport.
1218
1219config I2C_PARPORT_LIGHT
1220	tristate "Parallel port adapter (light)"
1221	select I2C_ALGOBIT
1222	select I2C_SMBUS
1223	help
1224	  This supports parallel port I2C adapters such as the ones made by
1225	  Philips or Velleman, Analog Devices evaluation boards, and more.
1226	  Basically any adapter using the parallel port as an I2C bus with
1227	  no extra chipset is supported by this driver, or could be.
1228
1229	  This driver is a light version of i2c-parport.  It doesn't depend
1230	  on the parport driver, and uses direct I/O access instead.  This
1231	  might be preferred on embedded systems where wasting memory for
1232	  the clean but heavy parport handling is not an option.  The
1233	  drawback is a reduced portability and the impossibility to
1234	  daisy-chain other parallel port devices.
1235
1236	  Don't say Y here if you said Y or M to i2c-parport.  Saying M to
1237	  both is possible but both modules should not be loaded at the same
1238	  time.
1239
1240	  This support is also available as a module.  If so, the module
1241	  will be called i2c-parport-light.
1242
1243config I2C_ROBOTFUZZ_OSIF
1244	tristate "RobotFuzz Open Source InterFace USB adapter"
1245	depends on USB
1246	help
1247	  If you say yes to this option, support will be included for the
1248	  RobotFuzz Open Source InterFace USB to I2C interface.
1249
1250	  This driver can also be built as a module.  If so, the module
1251	  will be called i2c-osif.
1252
1253config I2C_TAOS_EVM
1254	tristate "TAOS evaluation module"
1255	depends on TTY
1256	select SERIO
1257	select SERIO_SERPORT
1258	default n
1259	help
1260	  This supports TAOS evaluation modules on serial port. In order to
1261	  use this driver, you will need the inputattach tool, which is part
1262	  of the input-utils package.
1263
1264	  If unsure, say N.
1265
1266	  This support is also available as a module.  If so, the module
1267	  will be called i2c-taos-evm.
1268
1269config I2C_TINY_USB
1270	tristate "Tiny-USB adapter"
1271	depends on USB
1272	help
1273	  If you say yes to this option, support will be included for the
1274	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1275	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1276
1277	  This driver can also be built as a module.  If so, the module
1278	  will be called i2c-tiny-usb.
1279
1280config I2C_VIPERBOARD
1281	tristate "Viperboard I2C master support"
1282	depends on MFD_VIPERBOARD && USB
1283	help
1284	  Say yes here to access the I2C part of the Nano River
1285	  Technologies Viperboard as I2C master.
1286          See viperboard API specification and Nano
1287          River Tech's viperboard.h for detailed meaning
1288          of the module parameters.
1289
1290comment "Other I2C/SMBus bus drivers"
1291
1292config I2C_ACORN
1293	tristate "Acorn IOC/IOMD I2C bus support"
1294	depends on ARCH_ACORN
1295	default y
1296	select I2C_ALGOBIT
1297	help
1298	  Say yes if you want to support the I2C bus on Acorn platforms.
1299
1300	  If you don't know, say Y.
1301
1302config I2C_ELEKTOR
1303	tristate "Elektor ISA card"
1304	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1305	select I2C_ALGOPCF
1306	help
1307	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1308	  such an adapter.
1309
1310	  This support is also available as a module.  If so, the module
1311	  will be called i2c-elektor.
1312
1313config I2C_ICY
1314	tristate "ICY Zorro card"
1315	depends on ZORRO
1316	select I2C_ALGOPCF
1317	help
1318	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1319	  Say Y if you own such an adapter.
1320
1321	  This support is also available as a module.  If so, the module
1322	  will be called i2c-icy.
1323
1324	  If you have a 2019 edition board with an LTC2990 sensor at address
1325	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1326
1327config I2C_MLXCPLD
1328	tristate "Mellanox I2C driver"
1329	depends on X86_64
1330	help
1331	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1332	  for X86 based systems.
1333	  Controller is implemented as CPLD logic.
1334
1335	  This driver can also be built as a module. If so, the module will be
1336	  called as i2c-mlxcpld.
1337
1338config I2C_PCA_ISA
1339	tristate "PCA9564/PCA9665 on an ISA bus"
1340	depends on ISA
1341	select I2C_ALGOPCA
1342	default n
1343	help
1344	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1345	  parallel bus to I2C bus controller.
1346
1347	  This driver can also be built as a module.  If so, the module
1348	  will be called i2c-pca-isa.
1349
1350	  This device is almost undetectable and using this driver on a
1351	  system which doesn't have this device will result in long
1352	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1353	  time).  If unsure, say N.
1354
1355config I2C_SIBYTE
1356	tristate "SiByte SMBus interface"
1357	depends on SIBYTE_SB1xxx_SOC
1358	help
1359	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1360
1361config I2C_CROS_EC_TUNNEL
1362	tristate "ChromeOS EC tunnel I2C bus"
1363	depends on CROS_EC
1364	help
1365	  If you say yes here you get an I2C bus that will tunnel i2c commands
1366	  through to the other side of the ChromeOS EC to the i2c bus
1367	  connected there. This will work whatever the interface used to
1368	  talk to the EC (SPI, I2C or LPC).
1369
1370config I2C_XGENE_SLIMPRO
1371	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1372	depends on ARCH_XGENE && MAILBOX
1373	help
1374	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1375	  co-processor. The I2C device access the I2C bus via the X-Gene
1376	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1377	  If unsure, say N.
1378
1379config SCx200_ACB
1380	tristate "Geode ACCESS.bus support"
1381	depends on X86_32 && PCI
1382	help
1383	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1384	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1385
1386	  If you don't know what to do here, say N.
1387
1388	  This support is also available as a module.  If so, the module
1389	  will be called scx200_acb.
1390
1391config I2C_OPAL
1392	tristate "IBM OPAL I2C driver"
1393	depends on PPC_POWERNV
1394	default y
1395	help
1396	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1397	  the driver is based on the OPAL interfaces.
1398
1399	  This driver can also be built as a module. If so, the module will be
1400	  called as i2c-opal.
1401
1402config I2C_ZX2967
1403	tristate "ZTE ZX2967 I2C support"
1404	depends on ARCH_ZX
1405	default y
1406	help
1407	  Selecting this option will add ZX2967 I2C driver.
1408	  This driver can also be built as a module. If so, the module will be
1409	  called i2c-zx2967.
1410
1411config I2C_FSI
1412	tristate "FSI I2C driver"
1413	depends on FSI
1414	help
1415	  Driver for FSI bus attached I2C masters. These are I2C masters that
1416	  are connected to the system over an FSI bus, instead of the more
1417	  common PCI or MMIO interface.
1418
1419	  This driver can also be built as a module. If so, the module will be
1420	  called as i2c-fsi.
1421
1422endmenu
1423