xref: /openbmc/linux/drivers/i2c/busses/Kconfig (revision 9144f784f852f9a125cabe9927b986d909bfa439)
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_CCGX_UCSI
13	tristate
14	help
15	  A common module to provide an API to instantiate UCSI device
16	  for Cypress CCGx Type-C controller. Individual bus drivers
17	  need to select this one on demand.
18
19config I2C_ALI1535
20	tristate "ALI 1535"
21	depends on PCI
22	help
23	  If you say yes to this option, support will be included for the SMB
24	  Host controller on Acer Labs Inc. (ALI) M1535 South Bridges.  The SMB
25	  controller is part of the 7101 device, which is an ACPI-compliant
26	  Power Management Unit (PMU).
27
28	  This driver can also be built as a module.  If so, the module
29	  will be called i2c-ali1535.
30
31config I2C_ALI1563
32	tristate "ALI 1563"
33	depends on PCI
34	help
35	  If you say yes to this option, support will be included for the SMB
36	  Host controller on Acer Labs Inc. (ALI) M1563 South Bridges.  The SMB
37	  controller is part of the 7101 device, which is an ACPI-compliant
38	  Power Management Unit (PMU).
39
40	  This driver can also be built as a module.  If so, the module
41	  will be called i2c-ali1563.
42
43config I2C_ALI15X3
44	tristate "ALI 15x3"
45	depends on PCI
46	help
47	  If you say yes to this option, support will be included for the
48	  Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
49
50	  This driver can also be built as a module.  If so, the module
51	  will be called i2c-ali15x3.
52
53config I2C_AMD756
54	tristate "AMD 756/766/768/8111 and nVidia nForce"
55	depends on PCI
56	help
57	  If you say yes to this option, support will be included for the AMD
58	  756/766/768 mainboard I2C interfaces.  The driver also includes
59	  support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
60	  the nVidia nForce I2C interface.
61
62	  This driver can also be built as a module.  If so, the module
63	  will be called i2c-amd756.
64
65config I2C_AMD756_S4882
66	tristate "SMBus multiplexing on the Tyan S4882"
67	depends on I2C_AMD756 && X86
68	help
69	  Enabling this option will add specific SMBus support for the Tyan
70	  S4882 motherboard.  On this 4-CPU board, the SMBus is multiplexed
71	  over 8 different channels, where the various memory module EEPROMs
72	  and temperature sensors live.  Saying yes here will give you access
73	  to these in addition to the trunk.
74
75	  This driver can also be built as a module.  If so, the module
76	  will be called i2c-amd756-s4882.
77
78config I2C_AMD8111
79	tristate "AMD 8111"
80	depends on PCI
81	help
82	  If you say yes to this option, support will be included for the
83	  second (SMBus 2.0) AMD 8111 mainboard I2C interface.
84
85	  This driver can also be built as a module.  If so, the module
86	  will be called i2c-amd8111.
87
88config I2C_AMD_MP2
89	tristate "AMD MP2 PCIe"
90	depends on PCI && ACPI
91	help
92	  If you say yes to this option, support will be included for the AMD
93	  MP2 PCIe I2C adapter.
94
95	  This driver can also be built as modules.  If so, the modules will
96	  be called i2c-amd-mp2-pci and i2c-amd-mp2-plat.
97
98config I2C_HIX5HD2
99	tristate "Hix5hd2 high-speed I2C driver"
100	depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
101	help
102	  Say Y here to include support for the high-speed I2C controller
103	  used in HiSilicon hix5hd2 SoCs.
104
105	  This driver can also be built as a module. If so, the module
106	  will be called i2c-hix5hd2.
107
108config I2C_I801
109	tristate "Intel 82801 (ICH/PCH)"
110	depends on PCI
111	select P2SB if X86
112	select CHECK_SIGNATURE if X86 && DMI
113	select I2C_SMBUS
114	help
115	  If you say yes to this option, support will be included for the Intel
116	  801 family of mainboard I2C interfaces.  Specifically, the following
117	  versions of the chipset are supported:
118	    82801AA
119	    82801AB
120	    82801BA
121	    82801CA/CAM
122	    82801DB
123	    82801EB/ER (ICH5/ICH5R)
124	    6300ESB
125	    ICH6
126	    ICH7
127	    ESB2
128	    ICH8
129	    ICH9
130	    EP80579 (Tolapai)
131	    ICH10
132	    5/3400 Series (PCH)
133	    6 Series (PCH)
134	    Patsburg (PCH)
135	    DH89xxCC (PCH)
136	    Panther Point (PCH)
137	    Lynx Point (PCH)
138	    Avoton (SOC)
139	    Wellsburg (PCH)
140	    Coleto Creek (PCH)
141	    Wildcat Point (PCH)
142	    BayTrail (SOC)
143	    Braswell (SOC)
144	    Sunrise Point (PCH)
145	    Kaby Lake (PCH)
146	    DNV (SOC)
147	    Broxton (SOC)
148	    Lewisburg (PCH)
149	    Gemini Lake (SOC)
150	    Cannon Lake (PCH)
151	    Cedar Fork (PCH)
152	    Ice Lake (PCH)
153	    Comet Lake (PCH)
154	    Elkhart Lake (PCH)
155	    Tiger Lake (PCH)
156	    Jasper Lake (SOC)
157	    Emmitsburg (PCH)
158	    Alder Lake (PCH)
159	    Raptor Lake (PCH)
160	    Meteor Lake (SOC and PCH)
161	    Birch Stream (SOC)
162	    Arrow Lake (SOC)
163	    Panther Lake (SOC)
164
165	  This driver can also be built as a module.  If so, the module
166	  will be called i2c-i801.
167
168config I2C_ISCH
169	tristate "Intel SCH SMBus 1.0"
170	depends on PCI
171	select LPC_SCH
172	help
173	  Say Y here if you want to use SMBus controller on the Intel SCH
174	  based systems.
175
176	  This driver can also be built as a module. If so, the module
177	  will be called i2c-isch.
178
179config I2C_ISMT
180	tristate "Intel iSMT SMBus Controller"
181	depends on PCI && X86
182	help
183	  If you say yes to this option, support will be included for the Intel
184	  iSMT SMBus host controller interface.
185
186	  This driver can also be built as a module.  If so, the module will be
187	  called i2c-ismt.
188
189config I2C_PIIX4
190	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
191	depends on PCI
192	help
193	  If you say yes to this option, support will be included for the Intel
194	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
195	  versions of the chipset are supported (note that Serverworks is part
196	  of Broadcom):
197	    Intel PIIX4
198	    Intel 440MX
199	    ATI IXP200
200	    ATI IXP300
201	    ATI IXP400
202	    ATI SB600
203	    ATI SB700/SP5100
204	    ATI SB800
205	    AMD Hudson-2
206	    AMD ML
207	    AMD CZ
208	    Hygon CZ
209	    Serverworks OSB4
210	    Serverworks CSB5
211	    Serverworks CSB6
212	    Serverworks HT-1000
213	    Serverworks HT-1100
214	    SMSC Victory66
215
216	  Some AMD chipsets contain two PIIX4-compatible SMBus
217	  controllers. This driver will attempt to use both controllers
218	  on the SB700/SP5100, if they have been initialized by the BIOS.
219
220	  This driver can also be built as a module.  If so, the module
221	  will be called i2c-piix4.
222
223config I2C_CHT_WC
224	tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
225	depends on INTEL_SOC_PMIC_CHTWC
226	help
227	  If you say yes to this option, support will be included for the
228	  SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
229	  found on some Intel Cherry Trail systems.
230
231	  Note this controller is hooked up to a TI bq24292i charger-IC,
232	  combined with a FUSB302 Type-C port-controller as such it is advised
233	  to also select CONFIG_TYPEC_FUSB302=m.
234
235config I2C_NFORCE2
236	tristate "Nvidia nForce2, nForce3 and nForce4"
237	depends on PCI
238	help
239	  If you say yes to this option, support will be included for the Nvidia
240	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
241
242	  This driver can also be built as a module.  If so, the module
243	  will be called i2c-nforce2.
244
245config I2C_NFORCE2_S4985
246	tristate "SMBus multiplexing on the Tyan S4985"
247	depends on I2C_NFORCE2 && X86
248	help
249	  Enabling this option will add specific SMBus support for the Tyan
250	  S4985 motherboard.  On this 4-CPU board, the SMBus is multiplexed
251	  over 4 different channels, where the various memory module EEPROMs
252	  live.  Saying yes here will give you access to these in addition
253	  to the trunk.
254
255	  This driver can also be built as a module.  If so, the module
256	  will be called i2c-nforce2-s4985.
257
258config I2C_NVIDIA_GPU
259	tristate "NVIDIA GPU I2C controller"
260	depends on PCI
261	select I2C_CCGX_UCSI
262	help
263	  If you say yes to this option, support will be included for the
264	  NVIDIA GPU I2C controller which is used to communicate with the GPU's
265	  Type-C controller. This driver can also be built as a module called
266	  i2c-nvidia-gpu.
267
268config I2C_SIS5595
269	tristate "SiS 5595"
270	depends on PCI
271	help
272	  If you say yes to this option, support will be included for the
273	  SiS5595 SMBus (a subset of I2C) interface.
274
275	  This driver can also be built as a module.  If so, the module
276	  will be called i2c-sis5595.
277
278config I2C_SIS630
279	tristate "SiS 630/730/964"
280	depends on PCI
281	help
282	  If you say yes to this option, support will be included for the
283	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
284
285	  This driver can also be built as a module.  If so, the module
286	  will be called i2c-sis630.
287
288config I2C_SIS96X
289	tristate "SiS 96x"
290	depends on PCI
291	help
292	  If you say yes to this option, support will be included for the SiS
293	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
294	  chipsets are supported:
295	    645/961
296	    645DX/961
297	    645DX/962
298	    648/961
299	    650/961
300	    735
301	    745
302
303	  This driver can also be built as a module.  If so, the module
304	  will be called i2c-sis96x.
305
306config I2C_VIA
307	tristate "VIA VT82C586B"
308	depends on PCI
309	select I2C_ALGOBIT
310	help
311	  If you say yes to this option, support will be included for the VIA
312	  82C586B I2C interface
313
314	  This driver can also be built as a module.  If so, the module
315	  will be called i2c-via.
316
317config I2C_VIAPRO
318	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
319	depends on PCI
320	help
321	  If you say yes to this option, support will be included for the VIA
322	  VT82C596 and later SMBus interface.  Specifically, the following
323	  chipsets are supported:
324	    VT82C596A/B
325	    VT82C686A/B
326	    VT8231
327	    VT8233/A
328	    VT8235
329	    VT8237R/A/S
330	    VT8251
331	    CX700
332	    VX800/VX820
333	    VX855/VX875
334	    VX900
335
336	  This driver can also be built as a module.  If so, the module
337	  will be called i2c-viapro.
338
339if ACPI
340
341comment "ACPI drivers"
342
343config I2C_SCMI
344	tristate "SMBus Control Method Interface"
345	help
346	  This driver supports the SMBus Control Method Interface. It needs the
347	  BIOS to declare ACPI control methods as described in the SMBus Control
348	  Method Interface specification.
349
350	  To compile this driver as a module, choose M here:
351	  the module will be called i2c-scmi.
352
353endif # ACPI
354
355comment "Mac SMBus host controller drivers"
356	depends on PPC_CHRP || PPC_PMAC
357
358config I2C_HYDRA
359	tristate "CHRP Apple Hydra Mac I/O I2C interface"
360	depends on PCI && PPC_CHRP
361	select I2C_ALGOBIT
362	help
363	  This supports the use of the I2C interface in the Apple Hydra Mac
364	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
365	  have such a machine.
366
367	  This support is also available as a module.  If so, the module
368	  will be called i2c-hydra.
369
370config I2C_POWERMAC
371	tristate "Powermac I2C interface"
372	depends on PPC_PMAC
373	default y
374	help
375	  This exposes the various PowerMac i2c interfaces to the linux i2c
376	  layer and to userland. It is used by various drivers on the PowerMac
377	  platform, and should generally be enabled.
378
379	  This support is also available as a module.  If so, the module
380	  will be called i2c-powermac.
381
382comment "I2C system bus drivers (mostly embedded / system-on-chip)"
383
384config I2C_ALTERA
385	tristate "Altera Soft IP I2C"
386	depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
387	depends on OF
388	help
389	  If you say yes to this option, support will be included for the
390	  Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
391
392	  This driver can also be built as a module.  If so, the module
393	  will be called i2c-altera.
394
395config I2C_ASPEED
396	tristate "Aspeed I2C Controller"
397	depends on ARCH_ASPEED || COMPILE_TEST
398	help
399	  If you say yes to this option, support will be included for the
400	  Aspeed I2C controller.
401
402	  This driver can also be built as a module.  If so, the module
403	  will be called i2c-aspeed.
404
405config I2C_AT91
406	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
407	depends on ARCH_AT91 || COMPILE_TEST
408	help
409	  This supports the use of the I2C interface on Atmel AT91
410	  processors.
411
412	  A serious problem is that there is no documented way to issue
413	  repeated START conditions for more than two messages, as needed
414	  to support combined I2C messages.  Use the i2c-gpio driver
415	  unless your system can cope with this limitation.
416
417	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
418	  don't have clock stretching in transmission mode. For that reason,
419	  you can encounter underrun issues causing premature stop sendings if
420	  the latency to fill the transmission register is too long. If you
421	  are facing this situation, use the i2c-gpio driver.
422
423config I2C_AT91_SLAVE_EXPERIMENTAL
424	tristate "Microchip AT91 I2C experimental slave mode"
425	depends on I2C_AT91
426	select I2C_SLAVE
427	help
428	  If you say yes to this option, support for the slave mode will be
429	  added. Caution: do not use it for production. This feature has not
430	  been tested in a heavy way, help wanted.
431	  There are known bugs:
432	    - It can hang, on a SAMA5D4, after several transfers.
433	    - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as
434	    master.
435
436config I2C_AU1550
437	tristate "Au1550/Au1200/Au1300 SMBus interface"
438	depends on MIPS_ALCHEMY
439	help
440	  If you say yes to this option, support will be included for the
441	  Au1550/Au1200/Au1300 SMBus interface.
442
443	  This driver can also be built as a module.  If so, the module
444	  will be called i2c-au1550.
445
446config I2C_AXXIA
447	tristate "Axxia I2C controller"
448	depends on ARCH_AXXIA || COMPILE_TEST
449	default ARCH_AXXIA
450	select I2C_SLAVE
451	help
452	  Say yes if you want to support the I2C bus on Axxia platforms.
453
454	  Please note that this controller is limited to transfers of maximum
455	  255 bytes in length. Any attempt to to a larger transfer will return
456	  an error.
457
458config I2C_BCM2835
459	tristate "Broadcom BCM2835 I2C controller"
460	depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
461	depends on COMMON_CLK
462	help
463	  If you say yes to this option, support will be included for the
464	  BCM2835 I2C controller.
465
466	  If you don't know what to do here, say N.
467
468	  This support is also available as a module.  If so, the module
469	  will be called i2c-bcm2835.
470
471config I2C_BCM_IPROC
472	tristate "Broadcom iProc I2C controller"
473	depends on ARCH_BCM_IPROC || COMPILE_TEST
474	default ARCH_BCM_IPROC
475	select I2C_SLAVE
476	help
477	  If you say yes to this option, support will be included for the
478	  Broadcom iProc I2C controller.
479
480	  If you don't know what to do here, say N.
481
482config I2C_BCM_KONA
483	tristate "BCM Kona I2C adapter"
484	depends on ARCH_BCM_MOBILE || COMPILE_TEST
485	default y if ARCH_BCM_MOBILE
486	help
487	  If you say yes to this option, support will be included for the
488	  I2C interface on the Broadcom Kona family of processors.
489
490	  If you do not need KONA I2C interface, say N.
491
492config I2C_BRCMSTB
493	tristate "BRCM Settop/DSL I2C controller"
494	depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \
495		   BMIPS_GENERIC || COMPILE_TEST
496	default y
497	help
498	  If you say yes to this option, support will be included for the
499	  I2C interface on the Broadcom Settop/DSL SoCs.
500
501	  If you do not need I2C interface, say N.
502
503config I2C_CADENCE
504	tristate "Cadence I2C Controller"
505	depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST
506	help
507	  Say yes here to select Cadence I2C Host Controller. This controller is
508	  e.g. used by Xilinx Zynq.
509
510config I2C_CBUS_GPIO
511	tristate "CBUS I2C driver"
512	depends on GPIOLIB || COMPILE_TEST
513	help
514	  Support for CBUS access using I2C API. Mostly relevant for Nokia
515	  Internet Tablets (770, N800 and N810).
516
517	  This driver can also be built as a module.  If so, the module
518	  will be called i2c-cbus-gpio.
519
520config I2C_CPM
521	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
522	depends on CPM1 || CPM2
523	help
524	  This supports the use of the I2C interface on Freescale
525	  processors with CPM1 or CPM2.
526
527	  This driver can also be built as a module.  If so, the module
528	  will be called i2c-cpm.
529
530config I2C_DAVINCI
531	tristate "DaVinci I2C driver"
532	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
533	help
534	  Support for TI DaVinci I2C controller driver.
535
536	  This driver can also be built as a module.  If so, the module
537	  will be called i2c-davinci.
538
539	  Please note that this driver might be needed to bring up other
540	  devices such as DaVinci NIC.
541	  For details please see http://www.ti.com/davinci
542
543config I2C_DESIGNWARE_CORE
544	tristate
545	select REGMAP
546
547config I2C_DESIGNWARE_SLAVE
548	bool "Synopsys DesignWare Slave"
549	depends on I2C_DESIGNWARE_CORE
550	select I2C_SLAVE
551	help
552	  If you say yes to this option, support will be included for the
553	  Synopsys DesignWare I2C slave adapter.
554
555	  This is not a standalone module, this module compiles together with
556	  i2c-designware-core.
557
558config I2C_DESIGNWARE_PLATFORM
559	tristate "Synopsys DesignWare Platform"
560	depends on (ACPI && COMMON_CLK) || !ACPI
561	select I2C_DESIGNWARE_CORE
562	select MFD_SYSCON if MIPS_BAIKAL_T1
563	help
564	  If you say yes to this option, support will be included for the
565	  Synopsys DesignWare I2C adapter.
566
567	  This driver can also be built as a module.  If so, the module
568	  will be called i2c-designware-platform.
569
570config I2C_DESIGNWARE_AMDPSP
571	bool "AMD PSP I2C semaphore support"
572	depends on ACPI
573	depends on CRYPTO_DEV_SP_PSP
574	depends on PCI
575	depends on I2C_DESIGNWARE_PLATFORM
576	depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \
577		   (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD)
578	help
579	  This driver enables managed host access to the selected I2C bus shared
580	  between AMD CPU and AMD PSP.
581
582	  You should say Y if running on an AMD system equipped with the PSP.
583
584config I2C_DESIGNWARE_BAYTRAIL
585	bool "Intel Baytrail I2C semaphore support"
586	depends on ACPI
587	depends on I2C_DESIGNWARE_PLATFORM
588	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
589		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
590	help
591	  This driver enables managed host access to the PMIC I2C bus on select
592	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
593	  the host to request uninterrupted access to the PMIC's I2C bus from
594	  the platform firmware controlling it. You should say Y if running on
595	  a BayTrail system using the AXP288.
596
597config I2C_DESIGNWARE_PCI
598	tristate "Synopsys DesignWare PCI"
599	depends on PCI
600	select I2C_DESIGNWARE_CORE
601	select I2C_CCGX_UCSI
602	help
603	  If you say yes to this option, support will be included for the
604	  Synopsys DesignWare I2C adapter. Only master mode is supported.
605
606	  This driver can also be built as a module.  If so, the module
607	  will be called i2c-designware-pci.
608
609config I2C_DIGICOLOR
610	tristate "Conexant Digicolor I2C driver"
611	depends on ARCH_DIGICOLOR || COMPILE_TEST
612	help
613	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
614
615	  This driver can also be built as a module.  If so, the module
616	  will be called i2c-digicolor.
617
618config I2C_EG20T
619	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
620	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
621	help
622	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
623	  is an IOH(Input/Output Hub) for x86 embedded processor.
624	  This driver can access PCH I2C bus device.
625
626	  This driver also can be used for LAPIS Semiconductor IOH(Input/
627	  Output Hub), ML7213, ML7223 and ML7831.
628	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
629	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
630	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
631	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
632
633config I2C_EMEV2
634	tristate "EMMA Mobile series I2C adapter"
635	depends on HAVE_CLK
636	select I2C_SLAVE
637	help
638	  If you say yes to this option, support will be included for the
639	  I2C interface on the Renesas Electronics EM/EV family of processors.
640
641config I2C_EXYNOS5
642	tristate "Exynos high-speed I2C driver"
643	depends on OF
644	depends on ARCH_EXYNOS || COMPILE_TEST
645	default y if ARCH_EXYNOS
646	help
647	  High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
648	  Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
649	  Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
650	  Choose Y here only if you build for such Samsung SoC.
651
652config I2C_GPIO
653	tristate "GPIO-based bitbanging I2C"
654	depends on GPIOLIB || COMPILE_TEST
655	select I2C_ALGOBIT
656	help
657	  This is a very simple bitbanging I2C driver utilizing the
658	  arch-neutral GPIO API to control the SCL and SDA lines.
659
660config I2C_GPIO_FAULT_INJECTOR
661	bool "GPIO-based fault injector"
662	depends on I2C_GPIO
663	help
664	  This adds some functionality to the i2c-gpio driver which can inject
665	  faults to an I2C bus, so another bus master can be stress-tested.
666	  This is for debugging. If unsure, say 'no'.
667
668config I2C_GXP
669	tristate "GXP I2C Interface"
670	depends on ARCH_HPE_GXP || COMPILE_TEST
671	help
672	  This enables support for GXP I2C interface. The I2C engines can be
673	  either I2C master or I2C slaves.
674
675config I2C_HIGHLANDER
676	tristate "Highlander FPGA SMBus interface"
677	depends on SH_HIGHLANDER || COMPILE_TEST
678	help
679	  If you say yes to this option, support will be included for
680	  the SMBus interface located in the FPGA on various Highlander
681	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
682	  FPGAs. This is wholly unrelated to the SoC I2C.
683
684	  This driver can also be built as a module.  If so, the module
685	  will be called i2c-highlander.
686
687config I2C_HISI
688	tristate "HiSilicon I2C controller"
689	depends on ARM64 || COMPILE_TEST
690	help
691	  Say Y here if you want to have Hisilicon I2C controller support
692	  available on the Kunpeng Server.
693
694	  This driver can also be built as a module. If so, the module
695	  will be called i2c-hisi.
696
697config I2C_IBM_IIC
698	tristate "IBM PPC 4xx on-chip I2C interface"
699	depends on 4xx
700	help
701	  Say Y here if you want to use IIC peripheral found on
702	  embedded IBM PPC 4xx based systems.
703
704	  This driver can also be built as a module.  If so, the module
705	  will be called i2c-ibm_iic.
706
707config I2C_IMG
708	tristate "Imagination Technologies I2C SCB Controller"
709	depends on MIPS || COMPILE_TEST
710	help
711	  Say Y here if you want to use the IMG I2C SCB controller,
712	  available on the TZ1090 and other IMG SoCs.
713
714	  This driver can also be built as a module.  If so, the module
715	  will be called i2c-img-scb.
716
717config I2C_IMX
718	tristate "IMX I2C interface"
719	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST
720	select I2C_SLAVE
721	help
722	  Say Y here if you want to use the IIC bus controller on
723	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
724
725	  This driver can also be built as a module.  If so, the module
726	  will be called i2c-imx.
727
728config I2C_IMX_LPI2C
729	tristate "IMX Low Power I2C interface"
730	depends on ARCH_MXC || COMPILE_TEST
731	help
732	  Say Y here if you want to use the Low Power IIC bus controller
733	  on the Freescale i.MX processors.
734
735	  This driver can also be built as a module. If so, the module
736	  will be called i2c-imx-lpi2c.
737
738config I2C_IOP3XX
739	tristate "Intel IXP4xx on-chip I2C interface"
740	depends on ARCH_IXP4XX || COMPILE_TEST
741	help
742	  Say Y here if you want to use the IIC bus controller on
743	  the Intel IXP4xx Network Processors.
744
745	  This driver can also be built as a module.  If so, the module
746	  will be called i2c-iop3xx.
747
748config I2C_JZ4780
749	tristate "JZ4780 I2C controller interface support"
750	depends on MIPS || COMPILE_TEST
751	help
752	 If you say yes to this option, support will be included for the
753	 Ingenic JZ4780 I2C controller.
754
755	 If you don't know what to do here, say N.
756
757config I2C_KEMPLD
758	tristate "Kontron COM I2C Controller"
759	depends on MFD_KEMPLD
760	help
761	  This enables support for the I2C bus interface on some Kontron ETX
762	  and COMexpress (ETXexpress) modules.
763
764	  This driver can also be built as a module. If so, the module
765	  will be called i2c-kempld.
766
767config I2C_LPC2K
768	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
769	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
770	help
771	  This driver supports the I2C interface found several NXP
772	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
773
774	  This driver can also be built as a module.  If so, the module
775	  will be called i2c-lpc2k.
776
777config I2C_LS2X
778	tristate "Loongson LS2X I2C adapter"
779	depends on MACH_LOONGSON64 || COMPILE_TEST
780	help
781	  If you say yes to this option, support will be included for the
782	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
783	  chip.
784
785	  This driver can also be built as a module. If so, the module
786	  will be called i2c-ls2x.
787
788config I2C_MLXBF
789        tristate "Mellanox BlueField I2C controller"
790        depends on MELLANOX_PLATFORM && ARM64
791	depends on ACPI
792	select I2C_SLAVE
793        help
794          Enabling this option will add I2C SMBus support for Mellanox BlueField
795          system.
796
797          This driver can also be built as a module. If so, the module will be
798          called i2c-mlxbf.
799
800          This driver implements an I2C SMBus host controller and enables both
801          master and slave functions.
802
803config I2C_MESON
804	tristate "Amlogic Meson I2C controller"
805	depends on ARCH_MESON || COMPILE_TEST
806	depends on COMMON_CLK
807	help
808	  If you say yes to this option, support will be included for the
809	  I2C interface on the Amlogic Meson family of SoCs.
810
811config I2C_MICROCHIP_CORE
812	tristate "Microchip FPGA I2C controller"
813	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
814	depends on OF
815	help
816	  If you say yes to this option, support will be included for the
817	  I2C interface on Microchip FPGAs.
818
819	  This driver can also be built as a module. If so, the module will be
820	  called i2c-microchip-core.
821
822config I2C_MPC
823	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
824	depends on PPC
825	help
826	  If you say yes to this option, support will be included for the
827	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
828	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
829
830	  This driver can also be built as a module.  If so, the module
831	  will be called i2c-mpc.
832
833config I2C_MT65XX
834	tristate "MediaTek I2C adapter"
835	depends on ARCH_MEDIATEK || COMPILE_TEST
836	help
837	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
838	  for MT65xx and MT81xx.
839	  If you want to use MediaTek(R) I2C interface, say Y or M here.
840	  If unsure, say N.
841
842config I2C_MT7621
843	tristate "MT7621/MT7628 I2C Controller"
844	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST
845	help
846	  Say Y here to include support for I2C controller in the
847	  MediaTek MT7621/MT7628 SoCs.
848
849config I2C_MV64XXX
850	tristate "Marvell mv64xxx I2C Controller"
851	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
852	help
853	  If you say yes to this option, support will be included for the
854	  built-in I2C interface on the Marvell 64xxx line of host bridges.
855	  This driver is also used for Allwinner SoCs I2C controllers.
856
857	  This driver can also be built as a module.  If so, the module
858	  will be called i2c-mv64xxx.
859
860config I2C_MXS
861	tristate "Freescale i.MX28 I2C interface"
862	depends on SOC_IMX28 || COMPILE_TEST
863	select STMP_DEVICE
864	help
865	  Say Y here if you want to use the I2C bus controller on
866	  the Freescale i.MX28 processors.
867
868	  This driver can also be built as a module.  If so, the module
869	  will be called i2c-mxs.
870
871config I2C_NOMADIK
872	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
873	depends on ARM_AMBA
874	help
875	  If you say yes to this option, support will be included for the
876	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
877	  as well as the STA2X11 PCIe I/O HUB.
878
879config I2C_NPCM
880	tristate "Nuvoton I2C Controller"
881	depends on ARCH_NPCM || COMPILE_TEST
882	help
883	  If you say yes to this option, support will be included for the
884	  Nuvoton I2C controller, which is available on the NPCM BMC
885	  controllers.
886	  Driver can also support slave mode (select I2C_SLAVE).
887
888config I2C_OCORES
889	tristate "OpenCores I2C Controller"
890	help
891	  If you say yes to this option, support will be included for the
892	  OpenCores I2C controller. For details see
893	  http://www.opencores.org/projects.cgi/web/i2c/overview
894
895	  This driver can also be built as a module.  If so, the module
896	  will be called i2c-ocores.
897
898config I2C_OMAP
899	tristate "OMAP I2C adapter"
900	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
901	default MACH_OMAP_OSK
902	help
903	  If you say yes to this option, support will be included for the
904	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
905	  Like OMAP1510/1610/1710/5912 and OMAP242x.
906	  For details see http://www.ti.com/omap.
907
908config I2C_OWL
909	tristate "Actions Semiconductor Owl I2C Controller"
910	depends on ARCH_ACTIONS || COMPILE_TEST
911	help
912	  Say Y here if you want to use the I2C bus controller on
913	  the Actions Semiconductor Owl SoC's.
914
915config I2C_PASEMI
916	tristate "PA Semi SMBus interface"
917	depends on PPC_PASEMI && PCI
918	help
919	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
920
921config I2C_APPLE
922	tristate "Apple SMBus platform driver"
923	depends on !I2C_PASEMI
924	depends on ARCH_APPLE || COMPILE_TEST
925	default ARCH_APPLE
926	help
927	  Say Y here if you want to use the I2C controller present on Apple
928	  Silicon chips such as the M1.
929
930	  This driver can also be built as a module. If so, the module
931	  will be called i2c-apple.
932
933config I2C_PCA_PLATFORM
934	tristate "PCA9564/PCA9665 as platform device"
935	select I2C_ALGOPCA
936	help
937	  This driver supports a memory mapped Philips PCA9564/PCA9665
938	  parallel bus to I2C bus controller.
939
940	  This driver can also be built as a module.  If so, the module
941	  will be called i2c-pca-platform.
942
943config I2C_PNX
944	tristate "I2C bus support for Philips PNX and NXP LPC targets"
945	depends on ARCH_LPC32XX || COMPILE_TEST
946	help
947	  This driver supports the Philips IP3204 I2C IP block master and/or
948	  slave controller
949
950	  This driver can also be built as a module.  If so, the module
951	  will be called i2c-pnx.
952
953config I2C_PXA
954	tristate "Intel PXA2XX I2C adapter"
955	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
956	help
957	  If you have devices in the PXA I2C bus, say yes to this option.
958	  This driver can also be built as a module.  If so, the module
959	  will be called i2c-pxa.
960
961config I2C_PXA_PCI
962	def_bool I2C_PXA && X86_32 && PCI && OF
963
964config I2C_PXA_SLAVE
965	bool "Intel PXA2XX I2C Slave comms support"
966	depends on I2C_PXA && !X86_32
967	select I2C_SLAVE
968	help
969	  Support I2C slave mode communications on the PXA I2C bus.  This
970	  is necessary for systems where the PXA may be a target on the
971	  I2C bus.
972
973config I2C_QCOM_CCI
974	tristate "Qualcomm Camera Control Interface"
975	depends on ARCH_QCOM || COMPILE_TEST
976	help
977	  If you say yes to this option, support will be included for the
978	  built-in camera control interface on the Qualcomm SoCs.
979
980	  This driver can also be built as a module.  If so, the module
981	  will be called i2c-qcom-cci.
982
983config I2C_QCOM_GENI
984	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
985	depends on ARCH_QCOM || COMPILE_TEST
986	depends on QCOM_GENI_SE
987	help
988	  This driver supports GENI serial engine based I2C controller in
989	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
990	  yes to this option, support will be included for the built-in I2C
991	  interface on the Qualcomm Technologies Inc.'s SoCs.
992
993	  This driver can also be built as a module.  If so, the module
994	  will be called i2c-qcom-geni.
995
996config I2C_QUP
997	tristate "Qualcomm QUP based I2C controller"
998	depends on ARCH_QCOM || COMPILE_TEST
999	help
1000	  If you say yes to this option, support will be included for the
1001	  built-in I2C interface on the Qualcomm SoCs.
1002
1003	  This driver can also be built as a module.  If so, the module
1004	  will be called i2c-qup.
1005
1006config I2C_RIIC
1007	tristate "Renesas RIIC adapter"
1008	depends on ARCH_RENESAS || COMPILE_TEST
1009	help
1010	  If you say yes to this option, support will be included for the
1011	  Renesas RIIC I2C interface.
1012
1013	  This driver can also be built as a module.  If so, the module
1014	  will be called i2c-riic.
1015
1016config I2C_RK3X
1017	tristate "Rockchip RK3xxx I2C adapter"
1018	depends on OF && COMMON_CLK
1019	help
1020	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
1021	  SoCs.
1022
1023	  This driver can also be built as a module. If so, the module will
1024	  be called i2c-rk3x.
1025
1026config I2C_RZV2M
1027	tristate "Renesas RZ/V2M adapter"
1028	depends on ARCH_RENESAS || COMPILE_TEST
1029	help
1030	  If you say yes to this option, support will be included for the
1031	  Renesas RZ/V2M I2C interface.
1032
1033	  This driver can also be built as a module.  If so, the module
1034	  will be called i2c-rzv2m.
1035
1036config I2C_S3C2410
1037	tristate "S3C/Exynos I2C Driver"
1038	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
1039	help
1040	  Say Y here to include support for I2C controller in the
1041	  Samsung SoCs (S3C, S5Pv210, Exynos).
1042
1043config I2C_SH7760
1044	tristate "Renesas SH7760 I2C Controller"
1045	depends on CPU_SUBTYPE_SH7760
1046	help
1047	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
1048
1049	  This driver can also be built as a module.  If so, the module
1050	  will be called i2c-sh7760.
1051
1052config I2C_SH_MOBILE
1053	tristate "SuperH Mobile I2C Controller"
1054	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
1055	help
1056	  If you say yes to this option, support will be included for the
1057	  built-in I2C interface on the Renesas SH-Mobile processor.
1058
1059	  This driver can also be built as a module.  If so, the module
1060	  will be called i2c-sh_mobile.
1061
1062config I2C_SIMTEC
1063	tristate "Simtec Generic I2C interface"
1064	select I2C_ALGOBIT
1065	help
1066	  If you say yes to this option, support will be included for
1067	  the Simtec Generic I2C interface. This driver is for the
1068	  simple I2C bus used on newer Simtec products for general
1069	  I2C, such as DDC on the Simtec BBD2016A.
1070
1071	  This driver can also be built as a module. If so, the module
1072	  will be called i2c-simtec.
1073
1074config I2C_SPRD
1075	tristate "Spreadtrum I2C interface"
1076	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1077	depends on COMMON_CLK
1078	help
1079	  If you say yes to this option, support will be included for the
1080	  Spreadtrum I2C interface.
1081
1082config I2C_ST
1083	tristate "STMicroelectronics SSC I2C support"
1084	depends on ARCH_STI || COMPILE_TEST
1085	help
1086	  Enable this option to add support for STMicroelectronics SoCs
1087	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
1088
1089	  This driver can also be built as module. If so, the module
1090	  will be called i2c-st.
1091
1092config I2C_STM32F4
1093	tristate "STMicroelectronics STM32F4 I2C support"
1094	depends on ARCH_STM32 || COMPILE_TEST
1095	help
1096	  Enable this option to add support for STM32 I2C controller embedded
1097	  in STM32F4 SoCs.
1098
1099	  This driver can also be built as module. If so, the module
1100	  will be called i2c-stm32f4.
1101
1102config I2C_STM32F7
1103	tristate "STMicroelectronics STM32F7 I2C support"
1104	depends on ARCH_STM32 || COMPILE_TEST
1105	select I2C_SLAVE
1106	select I2C_SMBUS
1107	help
1108	  Enable this option to add support for STM32 I2C controller embedded
1109	  in STM32F7 SoCs.
1110
1111	  This driver can also be built as module. If so, the module
1112	  will be called i2c-stm32f7.
1113
1114config I2C_SUN6I_P2WI
1115	tristate "Allwinner sun6i internal P2WI controller"
1116	depends on RESET_CONTROLLER
1117	depends on MACH_SUN6I || COMPILE_TEST
1118	help
1119	  If you say yes to this option, support will be included for the
1120	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1121	  SOCs.
1122	  The P2WI looks like an SMBus controller (which supports only byte
1123	  accesses), except that it only supports one slave device.
1124	  This interface is used to connect to specific PMIC devices (like the
1125	  AXP221).
1126
1127config I2C_SYNQUACER
1128	tristate "Socionext SynQuacer I2C controller"
1129	depends on ARCH_SYNQUACER || COMPILE_TEST
1130	help
1131	  Say Y here to include support for the I2C controller used in some
1132	  Fujitsu and Socionext SoCs.
1133
1134	  This driver can also be built as a module. If so, the module
1135	  will be called i2c-synquacer.
1136
1137config I2C_TEGRA
1138	tristate "NVIDIA Tegra internal I2C controller"
1139	depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
1140	# COMPILE_TEST needs architectures with readsX()/writesX() primitives
1141	help
1142	  If you say yes to this option, support will be included for the
1143	  I2C controller embedded in NVIDIA Tegra SOCs
1144
1145config I2C_TEGRA_BPMP
1146	tristate "NVIDIA Tegra BPMP I2C controller"
1147	depends on TEGRA_BPMP || COMPILE_TEST
1148	default y if TEGRA_BPMP
1149	help
1150	  If you say yes to this option, support will be included for the I2C
1151	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1152
1153	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1154	  of the BPMP firmware, and this driver merely communicates with that
1155	  real driver.
1156
1157config I2C_UNIPHIER
1158	tristate "UniPhier FIFO-less I2C controller"
1159	depends on ARCH_UNIPHIER || COMPILE_TEST
1160	help
1161	  If you say yes to this option, support will be included for
1162	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1163	  or older UniPhier SoCs.
1164
1165config I2C_UNIPHIER_F
1166	tristate "UniPhier FIFO-builtin I2C controller"
1167	depends on ARCH_UNIPHIER || COMPILE_TEST
1168	help
1169	  If you say yes to this option, support will be included for
1170	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1171	  PH1-Pro5, or newer UniPhier SoCs.
1172
1173config I2C_VERSATILE
1174	tristate "ARM Versatile/Realview I2C bus support"
1175	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1176	select I2C_ALGOBIT
1177	help
1178	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1179	  range of platforms.
1180
1181	  This driver can also be built as a module.  If so, the module
1182	  will be called i2c-versatile.
1183
1184config I2C_WMT
1185	tristate "Wondermedia WM8xxx SoC I2C bus support"
1186	depends on ARCH_VT8500 || COMPILE_TEST
1187	help
1188	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1189	  SoCs.
1190
1191	  This driver can also be built as a module. If so, the module will be
1192	  called i2c-wmt.
1193
1194config I2C_OCTEON
1195	tristate "Cavium OCTEON I2C bus support"
1196	depends on CAVIUM_OCTEON_SOC
1197	help
1198	  Say yes if you want to support the I2C serial bus on Cavium
1199	  OCTEON SOC.
1200
1201	  This driver can also be built as a module.  If so, the module
1202	  will be called i2c-octeon.
1203
1204config I2C_THUNDERX
1205	tristate "Cavium ThunderX I2C bus support"
1206	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1207	select I2C_SMBUS
1208	help
1209	  Say yes if you want to support the I2C serial bus on Cavium
1210	  ThunderX SOC.
1211
1212	  This driver can also be built as a module.  If so, the module
1213	  will be called i2c-thunderx.
1214
1215config I2C_XILINX
1216	tristate "Xilinx I2C Controller"
1217	depends on HAS_IOMEM
1218	help
1219	  If you say yes to this option, support will be included for the
1220	  Xilinx I2C controller.
1221
1222	  This driver can also be built as a module.  If so, the module
1223	  will be called xilinx_i2c.
1224
1225config I2C_XLP9XX
1226	tristate "Cavium ThunderX2 I2C support"
1227	depends on ARCH_THUNDER2 || COMPILE_TEST
1228	help
1229	  This driver enables support for the on-chip I2C interface of
1230	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1231
1232	  This driver can also be built as a module.  If so, the module will
1233	  be called i2c-xlp9xx.
1234
1235config I2C_RCAR
1236	tristate "Renesas R-Car I2C Controller"
1237	depends on ARCH_RENESAS || COMPILE_TEST
1238	select I2C_SLAVE
1239	select I2C_SMBUS
1240	select RESET_CONTROLLER if ARCH_RCAR_GEN3
1241	help
1242	  If you say yes to this option, support will be included for the
1243	  R-Car I2C controller.
1244
1245	  This driver can also be built as a module.  If so, the module
1246	  will be called i2c-rcar.
1247
1248comment "External I2C/SMBus adapter drivers"
1249
1250config I2C_DIOLAN_U2C
1251	tristate "Diolan U2C-12 USB adapter"
1252	depends on USB
1253	help
1254	  If you say yes to this option, support will be included for Diolan
1255	  U2C-12, a USB to I2C interface.
1256
1257	  This driver can also be built as a module.  If so, the module
1258	  will be called i2c-diolan-u2c.
1259
1260config I2C_DLN2
1261	tristate "Diolan DLN-2 USB I2C adapter"
1262	depends on MFD_DLN2
1263	help
1264	 If you say yes to this option, support will be included for Diolan
1265	 DLN2, a USB to I2C interface.
1266
1267	 This driver can also be built as a module.  If so, the module
1268	 will be called i2c-dln2.
1269
1270config I2C_CP2615
1271	tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1272	depends on USB
1273	help
1274	  If you say yes to this option, support will be included for Silicon
1275	  Labs CP2615's I2C interface.
1276
1277	  This driver can also be built as a module.  If so, the module
1278	  will be called i2c-cp2615.
1279
1280config I2C_PARPORT
1281	tristate "Parallel port adapter"
1282	depends on PARPORT
1283	select I2C_ALGOBIT
1284	select I2C_SMBUS
1285	help
1286	  This supports parallel port I2C adapters such as the ones made by
1287	  Philips or Velleman, Analog Devices evaluation boards, and more.
1288	  Basically any adapter using the parallel port as an I2C bus with
1289	  no extra chipset is supported by this driver, or could be. Please
1290	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
1291
1292	  This support is also available as a module.  If so, the module
1293	  will be called i2c-parport.
1294
1295config I2C_PCI1XXXX
1296	tristate "PCI1XXXX I2C Host Adapter"
1297	depends on PCI
1298	help
1299	  If you say yes to this option, support will be included for
1300	  Microchip PCI1XXXX's I2C interface.
1301
1302	  This driver can also be built as a module. If so, the module will
1303	  be called i2c-mchp-pci1xxxx.
1304
1305config I2C_ROBOTFUZZ_OSIF
1306	tristate "RobotFuzz Open Source InterFace USB adapter"
1307	depends on USB
1308	help
1309	  If you say yes to this option, support will be included for the
1310	  RobotFuzz Open Source InterFace USB to I2C interface.
1311
1312	  This driver can also be built as a module.  If so, the module
1313	  will be called i2c-osif.
1314
1315config I2C_TAOS_EVM
1316	tristate "TAOS evaluation module"
1317	depends on TTY
1318	select SERIO
1319	select SERIO_SERPORT
1320	help
1321	  This supports TAOS evaluation modules on serial port. In order to
1322	  use this driver, you will need the inputattach tool, which is part
1323	  of the input-utils package.
1324
1325	  If unsure, say N.
1326
1327	  This support is also available as a module.  If so, the module
1328	  will be called i2c-taos-evm.
1329
1330config I2C_TINY_USB
1331	tristate "Tiny-USB adapter"
1332	depends on USB
1333	help
1334	  If you say yes to this option, support will be included for the
1335	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1336	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1337
1338	  This driver can also be built as a module.  If so, the module
1339	  will be called i2c-tiny-usb.
1340
1341config I2C_VIPERBOARD
1342	tristate "Viperboard I2C master support"
1343	depends on MFD_VIPERBOARD && USB
1344	help
1345	  Say yes here to access the I2C part of the Nano River
1346	  Technologies Viperboard as I2C master.
1347	  See viperboard API specification and Nano
1348	  River Tech's viperboard.h for detailed meaning
1349	  of the module parameters.
1350
1351comment "Other I2C/SMBus bus drivers"
1352
1353config I2C_ACORN
1354	tristate "Acorn IOC/IOMD I2C bus support"
1355	depends on ARCH_ACORN
1356	default y
1357	select I2C_ALGOBIT
1358	help
1359	  Say yes if you want to support the I2C bus on Acorn platforms.
1360
1361	  If you don't know, say Y.
1362
1363config I2C_ELEKTOR
1364	tristate "Elektor ISA card"
1365	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1366	select I2C_ALGOPCF
1367	help
1368	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1369	  such an adapter.
1370
1371	  This support is also available as a module.  If so, the module
1372	  will be called i2c-elektor.
1373
1374config I2C_ICY
1375	tristate "ICY Zorro card"
1376	depends on ZORRO
1377	select I2C_ALGOPCF
1378	help
1379	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1380	  Say Y if you own such an adapter.
1381
1382	  This support is also available as a module.  If so, the module
1383	  will be called i2c-icy.
1384
1385	  If you have a 2019 edition board with an LTC2990 sensor at address
1386	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1387
1388config I2C_MLXCPLD
1389	tristate "Mellanox I2C driver"
1390	depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
1391	help
1392	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1393	  for X86 and ARM64/ACPI based systems.
1394	  Controller is implemented as CPLD logic.
1395
1396	  This driver can also be built as a module. If so, the module will be
1397	  called as i2c-mlxcpld.
1398
1399config I2C_PCA_ISA
1400	tristate "PCA9564/PCA9665 on an ISA bus"
1401	depends on ISA
1402	select I2C_ALGOPCA
1403	help
1404	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1405	  parallel bus to I2C bus controller.
1406
1407	  This driver can also be built as a module.  If so, the module
1408	  will be called i2c-pca-isa.
1409
1410	  This device is almost undetectable and using this driver on a
1411	  system which doesn't have this device will result in long
1412	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1413	  time).  If unsure, say N.
1414
1415config I2C_SIBYTE
1416	tristate "SiByte SMBus interface"
1417	depends on SIBYTE_SB1xxx_SOC
1418	help
1419	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1420
1421config I2C_CROS_EC_TUNNEL
1422	tristate "ChromeOS EC tunnel I2C bus"
1423	depends on CROS_EC
1424	help
1425	  If you say yes here you get an I2C bus that will tunnel i2c commands
1426	  through to the other side of the ChromeOS EC to the i2c bus
1427	  connected there. This will work whatever the interface used to
1428	  talk to the EC (SPI, I2C or LPC).
1429
1430config I2C_XGENE_SLIMPRO
1431	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1432	depends on ARCH_XGENE && MAILBOX
1433	help
1434	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1435	  co-processor. The I2C device access the I2C bus via the X-Gene
1436	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1437	  If unsure, say N.
1438
1439config SCx200_ACB
1440	tristate "Geode ACCESS.bus support"
1441	depends on X86_32 && PCI
1442	help
1443	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1444	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1445
1446	  If you don't know what to do here, say N.
1447
1448	  This support is also available as a module.  If so, the module
1449	  will be called scx200_acb.
1450
1451config I2C_OPAL
1452	tristate "IBM OPAL I2C driver"
1453	depends on PPC_POWERNV
1454	default y
1455	help
1456	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1457	  the driver is based on the OPAL interfaces.
1458
1459	  This driver can also be built as a module. If so, the module will be
1460	  called as i2c-opal.
1461
1462config I2C_FSI
1463	tristate "FSI I2C driver"
1464	depends on FSI
1465	help
1466	  Driver for FSI bus attached I2C masters. These are I2C masters that
1467	  are connected to the system over an FSI bus, instead of the more
1468	  common PCI or MMIO interface.
1469
1470	  This driver can also be built as a module. If so, the module will be
1471	  called as i2c-fsi.
1472
1473config I2C_VIRTIO
1474        tristate "Virtio I2C Adapter"
1475        select VIRTIO
1476        help
1477          If you say yes to this option, support will be included for the virtio
1478          I2C adapter driver. The hardware can be emulated by any device model
1479          software according to the virtio protocol.
1480
1481          This driver can also be built as a module. If so, the module
1482          will be called i2c-virtio.
1483
1484endmenu
1485