xref: /openbmc/linux/drivers/i2c/busses/Kconfig (revision 88a6f899)
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
162	  This driver can also be built as a module.  If so, the module
163	  will be called i2c-i801.
164
165config I2C_ISCH
166	tristate "Intel SCH SMBus 1.0"
167	depends on PCI
168	select LPC_SCH
169	help
170	  Say Y here if you want to use SMBus controller on the Intel SCH
171	  based systems.
172
173	  This driver can also be built as a module. If so, the module
174	  will be called i2c-isch.
175
176config I2C_ISMT
177	tristate "Intel iSMT SMBus Controller"
178	depends on PCI && X86
179	help
180	  If you say yes to this option, support will be included for the Intel
181	  iSMT SMBus host controller interface.
182
183	  This driver can also be built as a module.  If so, the module will be
184	  called i2c-ismt.
185
186config I2C_PIIX4
187	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
188	depends on PCI
189	help
190	  If you say yes to this option, support will be included for the Intel
191	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
192	  versions of the chipset are supported (note that Serverworks is part
193	  of Broadcom):
194	    Intel PIIX4
195	    Intel 440MX
196	    ATI IXP200
197	    ATI IXP300
198	    ATI IXP400
199	    ATI SB600
200	    ATI SB700/SP5100
201	    ATI SB800
202	    AMD Hudson-2
203	    AMD ML
204	    AMD CZ
205	    Hygon CZ
206	    Serverworks OSB4
207	    Serverworks CSB5
208	    Serverworks CSB6
209	    Serverworks HT-1000
210	    Serverworks HT-1100
211	    SMSC Victory66
212
213	  Some AMD chipsets contain two PIIX4-compatible SMBus
214	  controllers. This driver will attempt to use both controllers
215	  on the SB700/SP5100, if they have been initialized by the BIOS.
216
217	  This driver can also be built as a module.  If so, the module
218	  will be called i2c-piix4.
219
220config I2C_CHT_WC
221	tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
222	depends on INTEL_SOC_PMIC_CHTWC
223	help
224	  If you say yes to this option, support will be included for the
225	  SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
226	  found on some Intel Cherry Trail systems.
227
228	  Note this controller is hooked up to a TI bq24292i charger-IC,
229	  combined with a FUSB302 Type-C port-controller as such it is advised
230	  to also select CONFIG_TYPEC_FUSB302=m.
231
232config I2C_NFORCE2
233	tristate "Nvidia nForce2, nForce3 and nForce4"
234	depends on PCI
235	help
236	  If you say yes to this option, support will be included for the Nvidia
237	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
238
239	  This driver can also be built as a module.  If so, the module
240	  will be called i2c-nforce2.
241
242config I2C_NFORCE2_S4985
243	tristate "SMBus multiplexing on the Tyan S4985"
244	depends on I2C_NFORCE2 && X86
245	help
246	  Enabling this option will add specific SMBus support for the Tyan
247	  S4985 motherboard.  On this 4-CPU board, the SMBus is multiplexed
248	  over 4 different channels, where the various memory module EEPROMs
249	  live.  Saying yes here will give you access to these in addition
250	  to the trunk.
251
252	  This driver can also be built as a module.  If so, the module
253	  will be called i2c-nforce2-s4985.
254
255config I2C_NVIDIA_GPU
256	tristate "NVIDIA GPU I2C controller"
257	depends on PCI
258	select I2C_CCGX_UCSI
259	help
260	  If you say yes to this option, support will be included for the
261	  NVIDIA GPU I2C controller which is used to communicate with the GPU's
262	  Type-C controller. This driver can also be built as a module called
263	  i2c-nvidia-gpu.
264
265config I2C_SIS5595
266	tristate "SiS 5595"
267	depends on PCI
268	help
269	  If you say yes to this option, support will be included for the
270	  SiS5595 SMBus (a subset of I2C) interface.
271
272	  This driver can also be built as a module.  If so, the module
273	  will be called i2c-sis5595.
274
275config I2C_SIS630
276	tristate "SiS 630/730/964"
277	depends on PCI
278	help
279	  If you say yes to this option, support will be included for the
280	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
281
282	  This driver can also be built as a module.  If so, the module
283	  will be called i2c-sis630.
284
285config I2C_SIS96X
286	tristate "SiS 96x"
287	depends on PCI
288	help
289	  If you say yes to this option, support will be included for the SiS
290	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
291	  chipsets are supported:
292	    645/961
293	    645DX/961
294	    645DX/962
295	    648/961
296	    650/961
297	    735
298	    745
299
300	  This driver can also be built as a module.  If so, the module
301	  will be called i2c-sis96x.
302
303config I2C_VIA
304	tristate "VIA VT82C586B"
305	depends on PCI
306	select I2C_ALGOBIT
307	help
308	  If you say yes to this option, support will be included for the VIA
309	  82C586B I2C interface
310
311	  This driver can also be built as a module.  If so, the module
312	  will be called i2c-via.
313
314config I2C_VIAPRO
315	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
316	depends on PCI
317	help
318	  If you say yes to this option, support will be included for the VIA
319	  VT82C596 and later SMBus interface.  Specifically, the following
320	  chipsets are supported:
321	    VT82C596A/B
322	    VT82C686A/B
323	    VT8231
324	    VT8233/A
325	    VT8235
326	    VT8237R/A/S
327	    VT8251
328	    CX700
329	    VX800/VX820
330	    VX855/VX875
331	    VX900
332
333	  This driver can also be built as a module.  If so, the module
334	  will be called i2c-viapro.
335
336if ACPI
337
338comment "ACPI drivers"
339
340config I2C_SCMI
341	tristate "SMBus Control Method Interface"
342	help
343	  This driver supports the SMBus Control Method Interface. It needs the
344	  BIOS to declare ACPI control methods as described in the SMBus Control
345	  Method Interface specification.
346
347	  To compile this driver as a module, choose M here:
348	  the module will be called i2c-scmi.
349
350endif # ACPI
351
352comment "Mac SMBus host controller drivers"
353	depends on PPC_CHRP || PPC_PMAC
354
355config I2C_HYDRA
356	tristate "CHRP Apple Hydra Mac I/O I2C interface"
357	depends on PCI && PPC_CHRP
358	select I2C_ALGOBIT
359	help
360	  This supports the use of the I2C interface in the Apple Hydra Mac
361	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
362	  have such a machine.
363
364	  This support is also available as a module.  If so, the module
365	  will be called i2c-hydra.
366
367config I2C_POWERMAC
368	tristate "Powermac I2C interface"
369	depends on PPC_PMAC
370	default y
371	help
372	  This exposes the various PowerMac i2c interfaces to the linux i2c
373	  layer and to userland. It is used by various drivers on the PowerMac
374	  platform, and should generally be enabled.
375
376	  This support is also available as a module.  If so, the module
377	  will be called i2c-powermac.
378
379comment "I2C system bus drivers (mostly embedded / system-on-chip)"
380
381config I2C_ALTERA
382	tristate "Altera Soft IP I2C"
383	depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
384	depends on OF
385	help
386	  If you say yes to this option, support will be included for the
387	  Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
388
389	  This driver can also be built as a module.  If so, the module
390	  will be called i2c-altera.
391
392config I2C_ASPEED
393	tristate "Aspeed I2C Controller"
394	depends on ARCH_ASPEED || COMPILE_TEST
395	help
396	  If you say yes to this option, support will be included for the
397	  Aspeed I2C controller.
398
399	  This driver can also be built as a module.  If so, the module
400	  will be called i2c-aspeed.
401
402config I2C_AT91
403	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
404	depends on ARCH_AT91 || COMPILE_TEST
405	help
406	  This supports the use of the I2C interface on Atmel AT91
407	  processors.
408
409	  A serious problem is that there is no documented way to issue
410	  repeated START conditions for more than two messages, as needed
411	  to support combined I2C messages.  Use the i2c-gpio driver
412	  unless your system can cope with this limitation.
413
414	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
415	  don't have clock stretching in transmission mode. For that reason,
416	  you can encounter underrun issues causing premature stop sendings if
417	  the latency to fill the transmission register is too long. If you
418	  are facing this situation, use the i2c-gpio driver.
419
420config I2C_AT91_SLAVE_EXPERIMENTAL
421	tristate "Microchip AT91 I2C experimental slave mode"
422	depends on I2C_AT91
423	select I2C_SLAVE
424	help
425	  If you say yes to this option, support for the slave mode will be
426	  added. Caution: do not use it for production. This feature has not
427	  been tested in a heavy way, help wanted.
428	  There are known bugs:
429	    - It can hang, on a SAMA5D4, after several transfers.
430	    - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as
431	    master.
432
433config I2C_AU1550
434	tristate "Au1550/Au1200/Au1300 SMBus interface"
435	depends on MIPS_ALCHEMY
436	help
437	  If you say yes to this option, support will be included for the
438	  Au1550/Au1200/Au1300 SMBus interface.
439
440	  This driver can also be built as a module.  If so, the module
441	  will be called i2c-au1550.
442
443config I2C_AXXIA
444	tristate "Axxia I2C controller"
445	depends on ARCH_AXXIA || COMPILE_TEST
446	default ARCH_AXXIA
447	select I2C_SLAVE
448	help
449	  Say yes if you want to support the I2C bus on Axxia platforms.
450
451	  Please note that this controller is limited to transfers of maximum
452	  255 bytes in length. Any attempt to to a larger transfer will return
453	  an error.
454
455config I2C_BCM2835
456	tristate "Broadcom BCM2835 I2C controller"
457	depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
458	depends on COMMON_CLK
459	help
460	  If you say yes to this option, support will be included for the
461	  BCM2835 I2C controller.
462
463	  If you don't know what to do here, say N.
464
465	  This support is also available as a module.  If so, the module
466	  will be called i2c-bcm2835.
467
468config I2C_BCM_IPROC
469	tristate "Broadcom iProc I2C controller"
470	depends on ARCH_BCM_IPROC || COMPILE_TEST
471	default ARCH_BCM_IPROC
472	select I2C_SLAVE
473	help
474	  If you say yes to this option, support will be included for the
475	  Broadcom iProc I2C controller.
476
477	  If you don't know what to do here, say N.
478
479config I2C_BCM_KONA
480	tristate "BCM Kona I2C adapter"
481	depends on ARCH_BCM_MOBILE || COMPILE_TEST
482	default y if ARCH_BCM_MOBILE
483	help
484	  If you say yes to this option, support will be included for the
485	  I2C interface on the Broadcom Kona family of processors.
486
487	  If you do not need KONA I2C interface, say N.
488
489config I2C_BRCMSTB
490	tristate "BRCM Settop/DSL I2C controller"
491	depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \
492		   BMIPS_GENERIC || COMPILE_TEST
493	default y
494	help
495	  If you say yes to this option, support will be included for the
496	  I2C interface on the Broadcom Settop/DSL SoCs.
497
498	  If you do not need I2C interface, say N.
499
500config I2C_CADENCE
501	tristate "Cadence I2C Controller"
502	depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST
503	help
504	  Say yes here to select Cadence I2C Host Controller. This controller is
505	  e.g. used by Xilinx Zynq.
506
507config I2C_CBUS_GPIO
508	tristate "CBUS I2C driver"
509	depends on GPIOLIB || COMPILE_TEST
510	help
511	  Support for CBUS access using I2C API. Mostly relevant for Nokia
512	  Internet Tablets (770, N800 and N810).
513
514	  This driver can also be built as a module.  If so, the module
515	  will be called i2c-cbus-gpio.
516
517config I2C_CPM
518	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
519	depends on CPM1 || CPM2
520	help
521	  This supports the use of the I2C interface on Freescale
522	  processors with CPM1 or CPM2.
523
524	  This driver can also be built as a module.  If so, the module
525	  will be called i2c-cpm.
526
527config I2C_DAVINCI
528	tristate "DaVinci I2C driver"
529	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
530	help
531	  Support for TI DaVinci I2C controller driver.
532
533	  This driver can also be built as a module.  If so, the module
534	  will be called i2c-davinci.
535
536	  Please note that this driver might be needed to bring up other
537	  devices such as DaVinci NIC.
538	  For details please see http://www.ti.com/davinci
539
540config I2C_DESIGNWARE_CORE
541	tristate
542	select REGMAP
543
544config I2C_DESIGNWARE_SLAVE
545	bool "Synopsys DesignWare Slave"
546	depends on I2C_DESIGNWARE_CORE
547	select I2C_SLAVE
548	help
549	  If you say yes to this option, support will be included for the
550	  Synopsys DesignWare I2C slave adapter.
551
552	  This is not a standalone module, this module compiles together with
553	  i2c-designware-core.
554
555config I2C_DESIGNWARE_PLATFORM
556	tristate "Synopsys DesignWare Platform"
557	depends on (ACPI && COMMON_CLK) || !ACPI
558	select I2C_DESIGNWARE_CORE
559	select MFD_SYSCON if MIPS_BAIKAL_T1
560	help
561	  If you say yes to this option, support will be included for the
562	  Synopsys DesignWare I2C adapter.
563
564	  This driver can also be built as a module.  If so, the module
565	  will be called i2c-designware-platform.
566
567config I2C_DESIGNWARE_AMDPSP
568	bool "AMD PSP I2C semaphore support"
569	depends on ACPI
570	depends on CRYPTO_DEV_SP_PSP
571	depends on PCI
572	depends on I2C_DESIGNWARE_PLATFORM
573	depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \
574		   (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD)
575	help
576	  This driver enables managed host access to the selected I2C bus shared
577	  between AMD CPU and AMD PSP.
578
579	  You should say Y if running on an AMD system equipped with the PSP.
580
581config I2C_DESIGNWARE_BAYTRAIL
582	bool "Intel Baytrail I2C semaphore support"
583	depends on ACPI
584	depends on I2C_DESIGNWARE_PLATFORM
585	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
586		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
587	help
588	  This driver enables managed host access to the PMIC I2C bus on select
589	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
590	  the host to request uninterrupted access to the PMIC's I2C bus from
591	  the platform firmware controlling it. You should say Y if running on
592	  a BayTrail system using the AXP288.
593
594config I2C_DESIGNWARE_PCI
595	tristate "Synopsys DesignWare PCI"
596	depends on PCI
597	select I2C_DESIGNWARE_CORE
598	select I2C_CCGX_UCSI
599	help
600	  If you say yes to this option, support will be included for the
601	  Synopsys DesignWare I2C adapter. Only master mode is supported.
602
603	  This driver can also be built as a module.  If so, the module
604	  will be called i2c-designware-pci.
605
606config I2C_DIGICOLOR
607	tristate "Conexant Digicolor I2C driver"
608	depends on ARCH_DIGICOLOR || COMPILE_TEST
609	help
610	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
611
612	  This driver can also be built as a module.  If so, the module
613	  will be called i2c-digicolor.
614
615config I2C_EG20T
616	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
617	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
618	help
619	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
620	  is an IOH(Input/Output Hub) for x86 embedded processor.
621	  This driver can access PCH I2C bus device.
622
623	  This driver also can be used for LAPIS Semiconductor IOH(Input/
624	  Output Hub), ML7213, ML7223 and ML7831.
625	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
626	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
627	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
628	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
629
630config I2C_EMEV2
631	tristate "EMMA Mobile series I2C adapter"
632	depends on HAVE_CLK
633	select I2C_SLAVE
634	help
635	  If you say yes to this option, support will be included for the
636	  I2C interface on the Renesas Electronics EM/EV family of processors.
637
638config I2C_EXYNOS5
639	tristate "Exynos high-speed I2C driver"
640	depends on OF
641	depends on ARCH_EXYNOS || COMPILE_TEST
642	default y if ARCH_EXYNOS
643	help
644	  High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
645	  Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
646	  Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
647	  Choose Y here only if you build for such Samsung SoC.
648
649config I2C_GPIO
650	tristate "GPIO-based bitbanging I2C"
651	depends on GPIOLIB || COMPILE_TEST
652	select I2C_ALGOBIT
653	help
654	  This is a very simple bitbanging I2C driver utilizing the
655	  arch-neutral GPIO API to control the SCL and SDA lines.
656
657config I2C_GPIO_FAULT_INJECTOR
658	bool "GPIO-based fault injector"
659	depends on I2C_GPIO
660	help
661	  This adds some functionality to the i2c-gpio driver which can inject
662	  faults to an I2C bus, so another bus master can be stress-tested.
663	  This is for debugging. If unsure, say 'no'.
664
665config I2C_GXP
666	tristate "GXP I2C Interface"
667	depends on ARCH_HPE_GXP || COMPILE_TEST
668	help
669	  This enables support for GXP I2C interface. The I2C engines can be
670	  either I2C master or I2C slaves.
671
672config I2C_HIGHLANDER
673	tristate "Highlander FPGA SMBus interface"
674	depends on SH_HIGHLANDER || COMPILE_TEST
675	help
676	  If you say yes to this option, support will be included for
677	  the SMBus interface located in the FPGA on various Highlander
678	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
679	  FPGAs. This is wholly unrelated to the SoC I2C.
680
681	  This driver can also be built as a module.  If so, the module
682	  will be called i2c-highlander.
683
684config I2C_HISI
685	tristate "HiSilicon I2C controller"
686	depends on ARM64 || COMPILE_TEST
687	help
688	  Say Y here if you want to have Hisilicon I2C controller support
689	  available on the Kunpeng Server.
690
691	  This driver can also be built as a module. If so, the module
692	  will be called i2c-hisi.
693
694config I2C_IBM_IIC
695	tristate "IBM PPC 4xx on-chip I2C interface"
696	depends on 4xx
697	help
698	  Say Y here if you want to use IIC peripheral found on
699	  embedded IBM PPC 4xx based systems.
700
701	  This driver can also be built as a module.  If so, the module
702	  will be called i2c-ibm_iic.
703
704config I2C_IMG
705	tristate "Imagination Technologies I2C SCB Controller"
706	depends on MIPS || COMPILE_TEST
707	help
708	  Say Y here if you want to use the IMG I2C SCB controller,
709	  available on the TZ1090 and other IMG SoCs.
710
711	  This driver can also be built as a module.  If so, the module
712	  will be called i2c-img-scb.
713
714config I2C_IMX
715	tristate "IMX I2C interface"
716	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST
717	select I2C_SLAVE
718	help
719	  Say Y here if you want to use the IIC bus controller on
720	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
721
722	  This driver can also be built as a module.  If so, the module
723	  will be called i2c-imx.
724
725config I2C_IMX_LPI2C
726	tristate "IMX Low Power I2C interface"
727	depends on ARCH_MXC || COMPILE_TEST
728	help
729	  Say Y here if you want to use the Low Power IIC bus controller
730	  on the Freescale i.MX processors.
731
732	  This driver can also be built as a module. If so, the module
733	  will be called i2c-imx-lpi2c.
734
735config I2C_IOP3XX
736	tristate "Intel IXP4xx on-chip I2C interface"
737	depends on ARCH_IXP4XX || COMPILE_TEST
738	help
739	  Say Y here if you want to use the IIC bus controller on
740	  the Intel IXP4xx Network Processors.
741
742	  This driver can also be built as a module.  If so, the module
743	  will be called i2c-iop3xx.
744
745config I2C_JZ4780
746	tristate "JZ4780 I2C controller interface support"
747	depends on MIPS || COMPILE_TEST
748	help
749	 If you say yes to this option, support will be included for the
750	 Ingenic JZ4780 I2C controller.
751
752	 If you don't know what to do here, say N.
753
754config I2C_KEMPLD
755	tristate "Kontron COM I2C Controller"
756	depends on MFD_KEMPLD
757	help
758	  This enables support for the I2C bus interface on some Kontron ETX
759	  and COMexpress (ETXexpress) modules.
760
761	  This driver can also be built as a module. If so, the module
762	  will be called i2c-kempld.
763
764config I2C_LPC2K
765	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
766	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
767	help
768	  This driver supports the I2C interface found several NXP
769	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
770
771	  This driver can also be built as a module.  If so, the module
772	  will be called i2c-lpc2k.
773
774config I2C_LS2X
775	tristate "Loongson LS2X I2C adapter"
776	depends on MACH_LOONGSON64 || COMPILE_TEST
777	help
778	  If you say yes to this option, support will be included for the
779	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
780	  chip.
781
782	  This driver can also be built as a module. If so, the module
783	  will be called i2c-ls2x.
784
785config I2C_MLXBF
786        tristate "Mellanox BlueField I2C controller"
787        depends on MELLANOX_PLATFORM && ARM64
788	depends on ACPI
789	select I2C_SLAVE
790        help
791          Enabling this option will add I2C SMBus support for Mellanox BlueField
792          system.
793
794          This driver can also be built as a module. If so, the module will be
795          called i2c-mlxbf.
796
797          This driver implements an I2C SMBus host controller and enables both
798          master and slave functions.
799
800config I2C_MESON
801	tristate "Amlogic Meson I2C controller"
802	depends on ARCH_MESON || COMPILE_TEST
803	depends on COMMON_CLK
804	help
805	  If you say yes to this option, support will be included for the
806	  I2C interface on the Amlogic Meson family of SoCs.
807
808config I2C_MICROCHIP_CORE
809	tristate "Microchip FPGA I2C controller"
810	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
811	depends on OF
812	help
813	  If you say yes to this option, support will be included for the
814	  I2C interface on Microchip FPGAs.
815
816	  This driver can also be built as a module. If so, the module will be
817	  called i2c-microchip-core.
818
819config I2C_MPC
820	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
821	depends on PPC
822	help
823	  If you say yes to this option, support will be included for the
824	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
825	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
826
827	  This driver can also be built as a module.  If so, the module
828	  will be called i2c-mpc.
829
830config I2C_MT65XX
831	tristate "MediaTek I2C adapter"
832	depends on ARCH_MEDIATEK || COMPILE_TEST
833	help
834	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
835	  for MT65xx and MT81xx.
836	  If you want to use MediaTek(R) I2C interface, say Y or M here.
837	  If unsure, say N.
838
839config I2C_MT7621
840	tristate "MT7621/MT7628 I2C Controller"
841	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST
842	help
843	  Say Y here to include support for I2C controller in the
844	  MediaTek MT7621/MT7628 SoCs.
845
846config I2C_MV64XXX
847	tristate "Marvell mv64xxx I2C Controller"
848	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
849	help
850	  If you say yes to this option, support will be included for the
851	  built-in I2C interface on the Marvell 64xxx line of host bridges.
852	  This driver is also used for Allwinner SoCs I2C controllers.
853
854	  This driver can also be built as a module.  If so, the module
855	  will be called i2c-mv64xxx.
856
857config I2C_MXS
858	tristate "Freescale i.MX28 I2C interface"
859	depends on SOC_IMX28 || COMPILE_TEST
860	select STMP_DEVICE
861	help
862	  Say Y here if you want to use the I2C bus controller on
863	  the Freescale i.MX28 processors.
864
865	  This driver can also be built as a module.  If so, the module
866	  will be called i2c-mxs.
867
868config I2C_NOMADIK
869	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
870	depends on ARM_AMBA
871	help
872	  If you say yes to this option, support will be included for the
873	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
874	  as well as the STA2X11 PCIe I/O HUB.
875
876config I2C_NPCM
877	tristate "Nuvoton I2C Controller"
878	depends on ARCH_NPCM || COMPILE_TEST
879	help
880	  If you say yes to this option, support will be included for the
881	  Nuvoton I2C controller, which is available on the NPCM BMC
882	  controllers.
883	  Driver can also support slave mode (select I2C_SLAVE).
884
885config I2C_OCORES
886	tristate "OpenCores I2C Controller"
887	help
888	  If you say yes to this option, support will be included for the
889	  OpenCores I2C controller. For details see
890	  http://www.opencores.org/projects.cgi/web/i2c/overview
891
892	  This driver can also be built as a module.  If so, the module
893	  will be called i2c-ocores.
894
895config I2C_OMAP
896	tristate "OMAP I2C adapter"
897	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
898	default MACH_OMAP_OSK
899	help
900	  If you say yes to this option, support will be included for the
901	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
902	  Like OMAP1510/1610/1710/5912 and OMAP242x.
903	  For details see http://www.ti.com/omap.
904
905config I2C_OWL
906	tristate "Actions Semiconductor Owl I2C Controller"
907	depends on ARCH_ACTIONS || COMPILE_TEST
908	help
909	  Say Y here if you want to use the I2C bus controller on
910	  the Actions Semiconductor Owl SoC's.
911
912config I2C_PASEMI
913	tristate "PA Semi SMBus interface"
914	depends on PPC_PASEMI && PCI
915	help
916	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
917
918config I2C_APPLE
919	tristate "Apple SMBus platform driver"
920	depends on !I2C_PASEMI
921	depends on ARCH_APPLE || COMPILE_TEST
922	default ARCH_APPLE
923	help
924	  Say Y here if you want to use the I2C controller present on Apple
925	  Silicon chips such as the M1.
926
927	  This driver can also be built as a module. If so, the module
928	  will be called i2c-apple.
929
930config I2C_PCA_PLATFORM
931	tristate "PCA9564/PCA9665 as platform device"
932	select I2C_ALGOPCA
933	help
934	  This driver supports a memory mapped Philips PCA9564/PCA9665
935	  parallel bus to I2C bus controller.
936
937	  This driver can also be built as a module.  If so, the module
938	  will be called i2c-pca-platform.
939
940config I2C_PNX
941	tristate "I2C bus support for Philips PNX and NXP LPC targets"
942	depends on ARCH_LPC32XX || COMPILE_TEST
943	help
944	  This driver supports the Philips IP3204 I2C IP block master and/or
945	  slave controller
946
947	  This driver can also be built as a module.  If so, the module
948	  will be called i2c-pnx.
949
950config I2C_PXA
951	tristate "Intel PXA2XX I2C adapter"
952	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
953	help
954	  If you have devices in the PXA I2C bus, say yes to this option.
955	  This driver can also be built as a module.  If so, the module
956	  will be called i2c-pxa.
957
958config I2C_PXA_PCI
959	def_bool I2C_PXA && X86_32 && PCI && OF
960
961config I2C_PXA_SLAVE
962	bool "Intel PXA2XX I2C Slave comms support"
963	depends on I2C_PXA && !X86_32
964	select I2C_SLAVE
965	help
966	  Support I2C slave mode communications on the PXA I2C bus.  This
967	  is necessary for systems where the PXA may be a target on the
968	  I2C bus.
969
970config I2C_QCOM_CCI
971	tristate "Qualcomm Camera Control Interface"
972	depends on ARCH_QCOM || COMPILE_TEST
973	help
974	  If you say yes to this option, support will be included for the
975	  built-in camera control interface on the Qualcomm SoCs.
976
977	  This driver can also be built as a module.  If so, the module
978	  will be called i2c-qcom-cci.
979
980config I2C_QCOM_GENI
981	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
982	depends on ARCH_QCOM || COMPILE_TEST
983	depends on QCOM_GENI_SE
984	help
985	  This driver supports GENI serial engine based I2C controller in
986	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
987	  yes to this option, support will be included for the built-in I2C
988	  interface on the Qualcomm Technologies Inc.'s SoCs.
989
990	  This driver can also be built as a module.  If so, the module
991	  will be called i2c-qcom-geni.
992
993config I2C_QUP
994	tristate "Qualcomm QUP based I2C controller"
995	depends on ARCH_QCOM || COMPILE_TEST
996	help
997	  If you say yes to this option, support will be included for the
998	  built-in I2C interface on the Qualcomm SoCs.
999
1000	  This driver can also be built as a module.  If so, the module
1001	  will be called i2c-qup.
1002
1003config I2C_RIIC
1004	tristate "Renesas RIIC adapter"
1005	depends on ARCH_RENESAS || COMPILE_TEST
1006	help
1007	  If you say yes to this option, support will be included for the
1008	  Renesas RIIC I2C interface.
1009
1010	  This driver can also be built as a module.  If so, the module
1011	  will be called i2c-riic.
1012
1013config I2C_RK3X
1014	tristate "Rockchip RK3xxx I2C adapter"
1015	depends on OF && COMMON_CLK
1016	help
1017	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
1018	  SoCs.
1019
1020	  This driver can also be built as a module. If so, the module will
1021	  be called i2c-rk3x.
1022
1023config I2C_RZV2M
1024	tristate "Renesas RZ/V2M adapter"
1025	depends on ARCH_RENESAS || COMPILE_TEST
1026	help
1027	  If you say yes to this option, support will be included for the
1028	  Renesas RZ/V2M I2C interface.
1029
1030	  This driver can also be built as a module.  If so, the module
1031	  will be called i2c-rzv2m.
1032
1033config I2C_S3C2410
1034	tristate "S3C/Exynos I2C Driver"
1035	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
1036	help
1037	  Say Y here to include support for I2C controller in the
1038	  Samsung SoCs (S3C, S5Pv210, Exynos).
1039
1040config I2C_SH7760
1041	tristate "Renesas SH7760 I2C Controller"
1042	depends on CPU_SUBTYPE_SH7760
1043	help
1044	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
1045
1046	  This driver can also be built as a module.  If so, the module
1047	  will be called i2c-sh7760.
1048
1049config I2C_SH_MOBILE
1050	tristate "SuperH Mobile I2C Controller"
1051	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
1052	help
1053	  If you say yes to this option, support will be included for the
1054	  built-in I2C interface on the Renesas SH-Mobile processor.
1055
1056	  This driver can also be built as a module.  If so, the module
1057	  will be called i2c-sh_mobile.
1058
1059config I2C_SIMTEC
1060	tristate "Simtec Generic I2C interface"
1061	select I2C_ALGOBIT
1062	help
1063	  If you say yes to this option, support will be included for
1064	  the Simtec Generic I2C interface. This driver is for the
1065	  simple I2C bus used on newer Simtec products for general
1066	  I2C, such as DDC on the Simtec BBD2016A.
1067
1068	  This driver can also be built as a module. If so, the module
1069	  will be called i2c-simtec.
1070
1071config I2C_SPRD
1072	tristate "Spreadtrum I2C interface"
1073	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1074	depends on COMMON_CLK
1075	help
1076	  If you say yes to this option, support will be included for the
1077	  Spreadtrum I2C interface.
1078
1079config I2C_ST
1080	tristate "STMicroelectronics SSC I2C support"
1081	depends on ARCH_STI || COMPILE_TEST
1082	help
1083	  Enable this option to add support for STMicroelectronics SoCs
1084	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
1085
1086	  This driver can also be built as module. If so, the module
1087	  will be called i2c-st.
1088
1089config I2C_STM32F4
1090	tristate "STMicroelectronics STM32F4 I2C support"
1091	depends on ARCH_STM32 || COMPILE_TEST
1092	help
1093	  Enable this option to add support for STM32 I2C controller embedded
1094	  in STM32F4 SoCs.
1095
1096	  This driver can also be built as module. If so, the module
1097	  will be called i2c-stm32f4.
1098
1099config I2C_STM32F7
1100	tristate "STMicroelectronics STM32F7 I2C support"
1101	depends on ARCH_STM32 || COMPILE_TEST
1102	select I2C_SLAVE
1103	select I2C_SMBUS
1104	help
1105	  Enable this option to add support for STM32 I2C controller embedded
1106	  in STM32F7 SoCs.
1107
1108	  This driver can also be built as module. If so, the module
1109	  will be called i2c-stm32f7.
1110
1111config I2C_SUN6I_P2WI
1112	tristate "Allwinner sun6i internal P2WI controller"
1113	depends on RESET_CONTROLLER
1114	depends on MACH_SUN6I || COMPILE_TEST
1115	help
1116	  If you say yes to this option, support will be included for the
1117	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1118	  SOCs.
1119	  The P2WI looks like an SMBus controller (which supports only byte
1120	  accesses), except that it only supports one slave device.
1121	  This interface is used to connect to specific PMIC devices (like the
1122	  AXP221).
1123
1124config I2C_SYNQUACER
1125	tristate "Socionext SynQuacer I2C controller"
1126	depends on ARCH_SYNQUACER || COMPILE_TEST
1127	help
1128	  Say Y here to include support for the I2C controller used in some
1129	  Fujitsu and Socionext SoCs.
1130
1131	  This driver can also be built as a module. If so, the module
1132	  will be called i2c-synquacer.
1133
1134config I2C_TEGRA
1135	tristate "NVIDIA Tegra internal I2C controller"
1136	depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
1137	# COMPILE_TEST needs architectures with readsX()/writesX() primitives
1138	help
1139	  If you say yes to this option, support will be included for the
1140	  I2C controller embedded in NVIDIA Tegra SOCs
1141
1142config I2C_TEGRA_BPMP
1143	tristate "NVIDIA Tegra BPMP I2C controller"
1144	depends on TEGRA_BPMP || COMPILE_TEST
1145	default y if TEGRA_BPMP
1146	help
1147	  If you say yes to this option, support will be included for the I2C
1148	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1149
1150	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1151	  of the BPMP firmware, and this driver merely communicates with that
1152	  real driver.
1153
1154config I2C_UNIPHIER
1155	tristate "UniPhier FIFO-less I2C controller"
1156	depends on ARCH_UNIPHIER || COMPILE_TEST
1157	help
1158	  If you say yes to this option, support will be included for
1159	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1160	  or older UniPhier SoCs.
1161
1162config I2C_UNIPHIER_F
1163	tristate "UniPhier FIFO-builtin I2C controller"
1164	depends on ARCH_UNIPHIER || COMPILE_TEST
1165	help
1166	  If you say yes to this option, support will be included for
1167	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1168	  PH1-Pro5, or newer UniPhier SoCs.
1169
1170config I2C_VERSATILE
1171	tristate "ARM Versatile/Realview I2C bus support"
1172	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1173	select I2C_ALGOBIT
1174	help
1175	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1176	  range of platforms.
1177
1178	  This driver can also be built as a module.  If so, the module
1179	  will be called i2c-versatile.
1180
1181config I2C_WMT
1182	tristate "Wondermedia WM8xxx SoC I2C bus support"
1183	depends on ARCH_VT8500 || COMPILE_TEST
1184	help
1185	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1186	  SoCs.
1187
1188	  This driver can also be built as a module. If so, the module will be
1189	  called i2c-wmt.
1190
1191config I2C_OCTEON
1192	tristate "Cavium OCTEON I2C bus support"
1193	depends on CAVIUM_OCTEON_SOC
1194	help
1195	  Say yes if you want to support the I2C serial bus on Cavium
1196	  OCTEON SOC.
1197
1198	  This driver can also be built as a module.  If so, the module
1199	  will be called i2c-octeon.
1200
1201config I2C_THUNDERX
1202	tristate "Cavium ThunderX I2C bus support"
1203	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1204	select I2C_SMBUS
1205	help
1206	  Say yes if you want to support the I2C serial bus on Cavium
1207	  ThunderX SOC.
1208
1209	  This driver can also be built as a module.  If so, the module
1210	  will be called i2c-thunderx.
1211
1212config I2C_XILINX
1213	tristate "Xilinx I2C Controller"
1214	depends on HAS_IOMEM
1215	help
1216	  If you say yes to this option, support will be included for the
1217	  Xilinx I2C controller.
1218
1219	  This driver can also be built as a module.  If so, the module
1220	  will be called xilinx_i2c.
1221
1222config I2C_XLP9XX
1223	tristate "Cavium ThunderX2 I2C support"
1224	depends on ARCH_THUNDER2 || COMPILE_TEST
1225	help
1226	  This driver enables support for the on-chip I2C interface of
1227	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1228
1229	  This driver can also be built as a module.  If so, the module will
1230	  be called i2c-xlp9xx.
1231
1232config I2C_RCAR
1233	tristate "Renesas R-Car I2C Controller"
1234	depends on ARCH_RENESAS || COMPILE_TEST
1235	select I2C_SLAVE
1236	select I2C_SMBUS
1237	select RESET_CONTROLLER if ARCH_RCAR_GEN3
1238	help
1239	  If you say yes to this option, support will be included for the
1240	  R-Car I2C controller.
1241
1242	  This driver can also be built as a module.  If so, the module
1243	  will be called i2c-rcar.
1244
1245comment "External I2C/SMBus adapter drivers"
1246
1247config I2C_DIOLAN_U2C
1248	tristate "Diolan U2C-12 USB adapter"
1249	depends on USB
1250	help
1251	  If you say yes to this option, support will be included for Diolan
1252	  U2C-12, a USB to I2C interface.
1253
1254	  This driver can also be built as a module.  If so, the module
1255	  will be called i2c-diolan-u2c.
1256
1257config I2C_DLN2
1258	tristate "Diolan DLN-2 USB I2C adapter"
1259	depends on MFD_DLN2
1260	help
1261	 If you say yes to this option, support will be included for Diolan
1262	 DLN2, a USB to I2C interface.
1263
1264	 This driver can also be built as a module.  If so, the module
1265	 will be called i2c-dln2.
1266
1267config I2C_CP2615
1268	tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1269	depends on USB
1270	help
1271	  If you say yes to this option, support will be included for Silicon
1272	  Labs CP2615's I2C interface.
1273
1274	  This driver can also be built as a module.  If so, the module
1275	  will be called i2c-cp2615.
1276
1277config I2C_PARPORT
1278	tristate "Parallel port adapter"
1279	depends on PARPORT
1280	select I2C_ALGOBIT
1281	select I2C_SMBUS
1282	help
1283	  This supports parallel port I2C adapters such as the ones made by
1284	  Philips or Velleman, Analog Devices evaluation boards, and more.
1285	  Basically any adapter using the parallel port as an I2C bus with
1286	  no extra chipset is supported by this driver, or could be. Please
1287	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
1288
1289	  This support is also available as a module.  If so, the module
1290	  will be called i2c-parport.
1291
1292config I2C_PCI1XXXX
1293	tristate "PCI1XXXX I2C Host Adapter"
1294	depends on PCI
1295	help
1296	  If you say yes to this option, support will be included for
1297	  Microchip PCI1XXXX's I2C interface.
1298
1299	  This driver can also be built as a module. If so, the module will
1300	  be called i2c-mchp-pci1xxxx.
1301
1302config I2C_ROBOTFUZZ_OSIF
1303	tristate "RobotFuzz Open Source InterFace USB adapter"
1304	depends on USB
1305	help
1306	  If you say yes to this option, support will be included for the
1307	  RobotFuzz Open Source InterFace USB to I2C interface.
1308
1309	  This driver can also be built as a module.  If so, the module
1310	  will be called i2c-osif.
1311
1312config I2C_TAOS_EVM
1313	tristate "TAOS evaluation module"
1314	depends on TTY
1315	select SERIO
1316	select SERIO_SERPORT
1317	help
1318	  This supports TAOS evaluation modules on serial port. In order to
1319	  use this driver, you will need the inputattach tool, which is part
1320	  of the input-utils package.
1321
1322	  If unsure, say N.
1323
1324	  This support is also available as a module.  If so, the module
1325	  will be called i2c-taos-evm.
1326
1327config I2C_TINY_USB
1328	tristate "Tiny-USB adapter"
1329	depends on USB
1330	help
1331	  If you say yes to this option, support will be included for the
1332	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1333	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1334
1335	  This driver can also be built as a module.  If so, the module
1336	  will be called i2c-tiny-usb.
1337
1338config I2C_VIPERBOARD
1339	tristate "Viperboard I2C master support"
1340	depends on MFD_VIPERBOARD && USB
1341	help
1342	  Say yes here to access the I2C part of the Nano River
1343	  Technologies Viperboard as I2C master.
1344	  See viperboard API specification and Nano
1345	  River Tech's viperboard.h for detailed meaning
1346	  of the module parameters.
1347
1348comment "Other I2C/SMBus bus drivers"
1349
1350config I2C_ACORN
1351	tristate "Acorn IOC/IOMD I2C bus support"
1352	depends on ARCH_ACORN
1353	default y
1354	select I2C_ALGOBIT
1355	help
1356	  Say yes if you want to support the I2C bus on Acorn platforms.
1357
1358	  If you don't know, say Y.
1359
1360config I2C_ELEKTOR
1361	tristate "Elektor ISA card"
1362	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1363	select I2C_ALGOPCF
1364	help
1365	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1366	  such an adapter.
1367
1368	  This support is also available as a module.  If so, the module
1369	  will be called i2c-elektor.
1370
1371config I2C_ICY
1372	tristate "ICY Zorro card"
1373	depends on ZORRO
1374	select I2C_ALGOPCF
1375	help
1376	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1377	  Say Y if you own such an adapter.
1378
1379	  This support is also available as a module.  If so, the module
1380	  will be called i2c-icy.
1381
1382	  If you have a 2019 edition board with an LTC2990 sensor at address
1383	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1384
1385config I2C_MLXCPLD
1386	tristate "Mellanox I2C driver"
1387	depends on X86_64 || COMPILE_TEST
1388	help
1389	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1390	  for X86 based systems.
1391	  Controller is implemented as CPLD logic.
1392
1393	  This driver can also be built as a module. If so, the module will be
1394	  called as i2c-mlxcpld.
1395
1396config I2C_PCA_ISA
1397	tristate "PCA9564/PCA9665 on an ISA bus"
1398	depends on ISA
1399	select I2C_ALGOPCA
1400	help
1401	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1402	  parallel bus to I2C bus controller.
1403
1404	  This driver can also be built as a module.  If so, the module
1405	  will be called i2c-pca-isa.
1406
1407	  This device is almost undetectable and using this driver on a
1408	  system which doesn't have this device will result in long
1409	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1410	  time).  If unsure, say N.
1411
1412config I2C_SIBYTE
1413	tristate "SiByte SMBus interface"
1414	depends on SIBYTE_SB1xxx_SOC
1415	help
1416	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1417
1418config I2C_CROS_EC_TUNNEL
1419	tristate "ChromeOS EC tunnel I2C bus"
1420	depends on CROS_EC
1421	help
1422	  If you say yes here you get an I2C bus that will tunnel i2c commands
1423	  through to the other side of the ChromeOS EC to the i2c bus
1424	  connected there. This will work whatever the interface used to
1425	  talk to the EC (SPI, I2C or LPC).
1426
1427config I2C_XGENE_SLIMPRO
1428	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1429	depends on ARCH_XGENE && MAILBOX
1430	help
1431	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1432	  co-processor. The I2C device access the I2C bus via the X-Gene
1433	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1434	  If unsure, say N.
1435
1436config SCx200_ACB
1437	tristate "Geode ACCESS.bus support"
1438	depends on X86_32 && PCI
1439	help
1440	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1441	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1442
1443	  If you don't know what to do here, say N.
1444
1445	  This support is also available as a module.  If so, the module
1446	  will be called scx200_acb.
1447
1448config I2C_OPAL
1449	tristate "IBM OPAL I2C driver"
1450	depends on PPC_POWERNV
1451	default y
1452	help
1453	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1454	  the driver is based on the OPAL interfaces.
1455
1456	  This driver can also be built as a module. If so, the module will be
1457	  called as i2c-opal.
1458
1459config I2C_FSI
1460	tristate "FSI I2C driver"
1461	depends on FSI
1462	help
1463	  Driver for FSI bus attached I2C masters. These are I2C masters that
1464	  are connected to the system over an FSI bus, instead of the more
1465	  common PCI or MMIO interface.
1466
1467	  This driver can also be built as a module. If so, the module will be
1468	  called as i2c-fsi.
1469
1470config I2C_VIRTIO
1471        tristate "Virtio I2C Adapter"
1472        select VIRTIO
1473        help
1474          If you say yes to this option, support will be included for the virtio
1475          I2C adapter driver. The hardware can be emulated by any device model
1476          software according to the virtio protocol.
1477
1478          This driver can also be built as a module. If so, the module
1479          will be called i2c-virtio.
1480
1481endmenu
1482