xref: /linux/drivers/i2c/busses/Kconfig (revision c31f4aa8fed048fa70e742c4bb49bb48dc489ab3)
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 && HAS_IOPORT
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 && HAS_IOPORT
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 && HAS_IOPORT
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 && HAS_IOPORT
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_AMD8111
66	tristate "AMD 8111"
67	depends on PCI && HAS_IOPORT
68	help
69	  If you say yes to this option, support will be included for the
70	  second (SMBus 2.0) AMD 8111 mainboard I2C interface.
71
72	  This driver can also be built as a module.  If so, the module
73	  will be called i2c-amd8111.
74
75config I2C_AMD_MP2
76	tristate "AMD MP2 PCIe"
77	depends on PCI && ACPI
78	help
79	  If you say yes to this option, support will be included for the AMD
80	  MP2 PCIe I2C adapter.
81
82	  This driver can also be built as modules.  If so, the modules will
83	  be called i2c-amd-mp2-pci and i2c-amd-mp2-plat.
84
85config I2C_AMD_ASF
86	tristate "AMD ASF I2C Controller Support"
87	depends on I2C_PIIX4
88	select I2C_SLAVE
89	help
90	  This option enables support for the AMD ASF (Alert Standard Format)
91	  I2C controller. The AMD ASF controller is an SMBus controller with
92	  built-in ASF functionality, allowing it to issue generic SMBus
93	  packets and communicate with the DASH controller using MCTP over
94	  ASF.
95
96	  If you have an AMD system with ASF support and want to enable this
97	  functionality, say Y or M here. If unsure, say N.
98
99	  To compile this driver as a module, choose M here: the module will
100	  be called i2c_amd_asf_plat.
101
102config I2C_HIX5HD2
103	tristate "Hix5hd2 high-speed I2C driver"
104	depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
105	help
106	  Say Y here to include support for the high-speed I2C controller
107	  used in HiSilicon hix5hd2 SoCs.
108
109	  This driver can also be built as a module. If so, the module
110	  will be called i2c-hix5hd2.
111
112config I2C_I801
113	tristate "Intel 82801 (ICH/PCH)"
114	depends on PCI && HAS_IOPORT
115	select P2SB if X86
116	select CHECK_SIGNATURE if X86 && DMI
117	select I2C_SMBUS
118	help
119	  If you say yes to this option, support will be included for the Intel
120	  801 family of mainboard I2C interfaces.  Specifically, the following
121	  versions of the chipset are supported:
122	    82801AA
123	    82801AB
124	    82801BA
125	    82801CA/CAM
126	    82801DB
127	    82801EB/ER (ICH5/ICH5R)
128	    6300ESB
129	    ICH6
130	    ICH7
131	    ESB2
132	    ICH8
133	    ICH9
134	    EP80579 (Tolapai)
135	    ICH10
136	    5/3400 Series (PCH)
137	    6 Series (PCH)
138	    Patsburg (PCH)
139	    DH89xxCC (PCH)
140	    Panther Point (PCH)
141	    Lynx Point (PCH)
142	    Avoton (SOC)
143	    Wellsburg (PCH)
144	    Coleto Creek (PCH)
145	    Wildcat Point (PCH)
146	    BayTrail (SOC)
147	    Braswell (SOC)
148	    Sunrise Point (PCH)
149	    Kaby Lake (PCH)
150	    DNV (SOC)
151	    Broxton (SOC)
152	    Lewisburg (PCH)
153	    Gemini Lake (SOC)
154	    Cannon Lake (PCH)
155	    Cedar Fork (PCH)
156	    Ice Lake (PCH)
157	    Comet Lake (PCH)
158	    Elkhart Lake (PCH)
159	    Tiger Lake (PCH)
160	    Jasper Lake (SOC)
161	    Emmitsburg (PCH)
162	    Alder Lake (PCH)
163	    Raptor Lake (PCH)
164	    Meteor Lake (SOC and PCH)
165	    Birch Stream (SOC)
166	    Arrow Lake (SOC)
167	    Panther Lake (SOC)
168	    Wildcat Lake (SOC)
169	    Diamond Rapids (SOC)
170	    Nova Lake (PCH)
171
172	  This driver can also be built as a module.  If so, the module
173	  will be called i2c-i801.
174
175config I2C_I801_MUX
176	def_bool I2C_I801
177	depends on DMI && I2C_MUX_GPIO
178	depends on !(I2C_I801=y && I2C_MUX=m)
179	help
180	  Optional support for multiplexed SMBUS on certain systems with
181	  more than 8 memory slots.
182
183config I2C_ISCH
184	tristate "Intel SCH SMBus 1.0"
185	depends on PCI && HAS_IOPORT
186	select LPC_SCH
187	help
188	  Say Y here if you want to use SMBus controller on the Intel SCH
189	  based systems.
190
191	  This driver can also be built as a module. If so, the module
192	  will be called i2c-isch.
193
194config I2C_ISMT
195	tristate "Intel iSMT SMBus Controller"
196	depends on PCI && X86
197	help
198	  If you say yes to this option, support will be included for the Intel
199	  iSMT SMBus host controller interface.
200
201	  This driver can also be built as a module.  If so, the module will be
202	  called i2c-ismt.
203
204config I2C_PIIX4
205	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
206	depends on PCI && HAS_IOPORT
207	select I2C_SMBUS
208	help
209	  If you say yes to this option, support will be included for the Intel
210	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
211	  versions of the chipset are supported (note that Serverworks is part
212	  of Broadcom):
213	    Intel PIIX4
214	    Intel 440MX
215	    ATI IXP200
216	    ATI IXP300
217	    ATI IXP400
218	    ATI SB600
219	    ATI SB700/SP5100
220	    ATI SB800
221	    AMD Hudson-2
222	    AMD ML
223	    AMD CZ
224	    Hygon CZ
225	    Serverworks OSB4
226	    Serverworks CSB5
227	    Serverworks CSB6
228	    Serverworks HT-1000
229	    Serverworks HT-1100
230	    SMSC Victory66
231
232	  Some AMD chipsets contain two PIIX4-compatible SMBus
233	  controllers. This driver will attempt to use both controllers
234	  on the SB700/SP5100, if they have been initialized by the BIOS.
235
236	  This driver can also be built as a module.  If so, the module
237	  will be called i2c-piix4.
238
239config I2C_CHT_WC
240	tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
241	depends on INTEL_SOC_PMIC_CHTWC
242	help
243	  If you say yes to this option, support will be included for the
244	  SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
245	  found on some Intel Cherry Trail systems.
246
247	  Note this controller is hooked up to a TI bq24292i charger-IC,
248	  combined with a FUSB302 Type-C port-controller as such it is advised
249	  to also select CONFIG_TYPEC_FUSB302=m.
250
251config I2C_NFORCE2
252	tristate "Nvidia nForce2, nForce3 and nForce4"
253	depends on PCI && HAS_IOPORT
254	help
255	  If you say yes to this option, support will be included for the Nvidia
256	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
257
258	  This driver can also be built as a module.  If so, the module
259	  will be called i2c-nforce2.
260
261config I2C_NVIDIA_GPU
262	tristate "NVIDIA GPU I2C controller"
263	depends on PCI
264	select I2C_CCGX_UCSI
265	help
266	  If you say yes to this option, support will be included for the
267	  NVIDIA GPU I2C controller which is used to communicate with the GPU's
268	  Type-C controller. This driver can also be built as a module called
269	  i2c-nvidia-gpu.
270
271config I2C_SIS5595
272	tristate "SiS 5595"
273	depends on PCI && HAS_IOPORT
274	help
275	  If you say yes to this option, support will be included for the
276	  SiS5595 SMBus (a subset of I2C) interface.
277
278	  This driver can also be built as a module.  If so, the module
279	  will be called i2c-sis5595.
280
281config I2C_SIS630
282	tristate "SiS 630/730/964"
283	depends on PCI && HAS_IOPORT
284	help
285	  If you say yes to this option, support will be included for the
286	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
287
288	  This driver can also be built as a module.  If so, the module
289	  will be called i2c-sis630.
290
291config I2C_SIS96X
292	tristate "SiS 96x"
293	depends on PCI && HAS_IOPORT
294	help
295	  If you say yes to this option, support will be included for the SiS
296	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
297	  chipsets are supported:
298	    645/961
299	    645DX/961
300	    645DX/962
301	    648/961
302	    650/961
303	    735
304	    745
305
306	  This driver can also be built as a module.  If so, the module
307	  will be called i2c-sis96x.
308
309config I2C_VIA
310	tristate "VIA VT82C586B"
311	depends on PCI && HAS_IOPORT
312	select I2C_ALGOBIT
313	help
314	  If you say yes to this option, support will be included for the VIA
315	  82C586B I2C interface
316
317	  This driver can also be built as a module.  If so, the module
318	  will be called i2c-via.
319
320config I2C_VIAPRO
321	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
322	depends on PCI && HAS_IOPORT
323	help
324	  If you say yes to this option, support will be included for the VIA
325	  VT82C596 and later SMBus interface.  Specifically, the following
326	  chipsets are supported:
327	    VT82C596A/B
328	    VT82C686A/B
329	    VT8231
330	    VT8233/A
331	    VT8235
332	    VT8237R/A/S
333	    VT8251
334	    CX700
335	    VX800/VX820
336	    VX855/VX875
337	    VX900
338
339	  This driver can also be built as a module.  If so, the module
340	  will be called i2c-viapro.
341
342if ACPI
343
344config I2C_ZHAOXIN
345	tristate "Zhaoxin I2C Interface"
346	depends on PCI || COMPILE_TEST
347	help
348	  If you say yes to this option, support will be included for the
349	  ZHAOXIN I2C interface
350
351	  This driver can also be built as a module. If so, the module
352	  will be called i2c-zhaoxin.
353
354comment "ACPI drivers"
355
356config I2C_SCMI
357	tristate "SMBus Control Method Interface"
358	help
359	  This driver supports the SMBus Control Method Interface. It needs the
360	  BIOS to declare ACPI control methods as described in the SMBus Control
361	  Method Interface specification.
362
363	  To compile this driver as a module, choose M here:
364	  the module will be called i2c-scmi.
365
366endif # ACPI
367
368comment "Mac SMBus host controller drivers"
369	depends on PPC_CHRP || PPC_PMAC
370
371config I2C_HYDRA
372	tristate "CHRP Apple Hydra Mac I/O I2C interface"
373	depends on PCI && PPC_CHRP
374	select I2C_ALGOBIT
375	help
376	  This supports the use of the I2C interface in the Apple Hydra Mac
377	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
378	  have such a machine.
379
380	  This support is also available as a module.  If so, the module
381	  will be called i2c-hydra.
382
383config I2C_POWERMAC
384	tristate "Powermac I2C interface"
385	depends on PPC_PMAC
386	default y
387	help
388	  This exposes the various PowerMac i2c interfaces to the linux i2c
389	  layer and to userland. It is used by various drivers on the PowerMac
390	  platform, and should generally be enabled.
391
392	  This support is also available as a module.  If so, the module
393	  will be called i2c-powermac.
394
395comment "I2C system bus drivers (mostly embedded / system-on-chip)"
396
397config I2C_ALTERA
398	tristate "Altera Soft IP I2C"
399	depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
400	depends on OF
401	help
402	  If you say yes to this option, support will be included for the
403	  Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
404
405	  This driver can also be built as a module.  If so, the module
406	  will be called i2c-altera.
407
408config I2C_ASPEED
409	tristate "Aspeed I2C Controller"
410	depends on ARCH_ASPEED || COMPILE_TEST
411	help
412	  If you say yes to this option, support will be included for the
413	  Aspeed I2C controller.
414
415	  This driver can also be built as a module.  If so, the module
416	  will be called i2c-aspeed.
417
418config I2C_AT91
419	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
420	depends on ARCH_MICROCHIP || COMPILE_TEST
421	help
422	  This supports the use of the I2C interface on Atmel AT91
423	  processors.
424
425	  A serious problem is that there is no documented way to issue
426	  repeated START conditions for more than two messages, as needed
427	  to support combined I2C messages.  Use the i2c-gpio driver
428	  unless your system can cope with this limitation.
429
430	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
431	  don't have clock stretching in transmission mode. For that reason,
432	  you can encounter underrun issues causing premature stop sendings if
433	  the latency to fill the transmission register is too long. If you
434	  are facing this situation, use the i2c-gpio driver.
435
436config I2C_AT91_SLAVE_EXPERIMENTAL
437	bool "Microchip AT91 I2C experimental slave mode"
438	depends on I2C_AT91
439	select I2C_SLAVE
440	help
441	  If you say yes to this option, support for the slave mode will be
442	  added. Caution: do not use it for production. This feature has not
443	  been tested in a heavy way, help wanted.
444	  There are known bugs:
445	    - It can hang, on a SAMA5D4, after several transfers.
446	    - There are some mismatches with a SAMA5D4 as slave and a SAMA5D2 as
447	    master.
448
449config I2C_AU1550
450	tristate "Au1550/Au1200/Au1300 SMBus interface"
451	depends on MIPS_ALCHEMY
452	help
453	  If you say yes to this option, support will be included for the
454	  Au1550/Au1200/Au1300 SMBus interface.
455
456	  This driver can also be built as a module.  If so, the module
457	  will be called i2c-au1550.
458
459config I2C_AXXIA
460	tristate "Axxia I2C controller"
461	depends on ARCH_AXXIA || COMPILE_TEST
462	default ARCH_AXXIA
463	select I2C_SLAVE
464	help
465	  Say yes if you want to support the I2C bus on Axxia platforms.
466
467	  Please note that this controller is limited to transfers of maximum
468	  255 bytes in length. Any attempt to to a larger transfer will return
469	  an error.
470
471config I2C_BCM2835
472	tristate "Broadcom BCM2835 I2C controller"
473	depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
474	depends on COMMON_CLK
475	help
476	  If you say yes to this option, support will be included for the
477	  BCM2835 I2C controller.
478
479	  If you don't know what to do here, say N.
480
481	  This support is also available as a module.  If so, the module
482	  will be called i2c-bcm2835.
483
484config I2C_BCM_IPROC
485	tristate "Broadcom iProc I2C controller"
486	depends on ARCH_BCM_IPROC || COMPILE_TEST
487	default ARCH_BCM_IPROC
488	select I2C_SLAVE
489	help
490	  If you say yes to this option, support will be included for the
491	  Broadcom iProc I2C controller.
492
493	  If you don't know what to do here, say N.
494
495config I2C_BCM_KONA
496	tristate "BCM Kona I2C adapter"
497	depends on ARCH_BCM_MOBILE || COMPILE_TEST
498	default y if ARCH_BCM_MOBILE
499	help
500	  If you say yes to this option, support will be included for the
501	  I2C interface on the Broadcom Kona family of processors.
502
503	  If you do not need KONA I2C interface, say N.
504
505config I2C_BRCMSTB
506	tristate "BRCM Settop/DSL I2C controller"
507	depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \
508		   BMIPS_GENERIC || COMPILE_TEST
509	default ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC
510	help
511	  If you say yes to this option, support will be included for the
512	  I2C interface on the Broadcom Settop/DSL SoCs.
513
514	  If you do not need I2C interface, say N.
515
516config I2C_CADENCE
517	tristate "Cadence I2C Controller"
518	depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST
519	help
520	  Say yes here to select Cadence I2C Host Controller. This controller is
521	  e.g. used by Xilinx Zynq.
522
523config I2C_CBUS_GPIO
524	tristate "CBUS I2C driver"
525	depends on GPIOLIB || COMPILE_TEST
526	help
527	  Support for CBUS access using I2C API. Mostly relevant for Nokia
528	  Internet Tablets (770, N800 and N810).
529
530	  This driver can also be built as a module.  If so, the module
531	  will be called i2c-cbus-gpio.
532
533config I2C_CGBC
534	tristate "Congatec I2C Controller"
535	depends on MFD_CGBC
536	help
537	  This driver supports the 2 I2C interfaces on the Congatec Board
538	  Controller.
539
540	  This driver can also be built as a module. If so, the module will
541	  be called i2c-cgbc.ko.
542
543config I2C_CPM
544	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
545	depends on CPM1 || CPM2
546	help
547	  This supports the use of the I2C interface on Freescale
548	  processors with CPM1 or CPM2.
549
550	  This driver can also be built as a module.  If so, the module
551	  will be called i2c-cpm.
552
553config I2C_DAVINCI
554	tristate "DaVinci I2C driver"
555	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
556	help
557	  Support for TI DaVinci I2C controller driver.
558
559	  This driver can also be built as a module.  If so, the module
560	  will be called i2c-davinci.
561
562	  Please note that this driver might be needed to bring up other
563	  devices such as DaVinci NIC.
564	  For details please see http://www.ti.com/davinci
565
566config I2C_DESIGNWARE_CORE
567	tristate "Synopsys DesignWare I2C adapter"
568	select REGMAP
569	help
570	  This option enables support for the Synopsys DesignWare I2C adapter.
571	  This driver includes support for the I2C host on the Synopsys
572	  Designware I2C adapter.
573
574	  To compile the driver as a module, choose M here: the module will be
575	  called i2c-designware-core.
576
577if I2C_DESIGNWARE_CORE
578
579config I2C_DESIGNWARE_SLAVE
580	bool "Synopsys DesignWare Slave"
581	select I2C_SLAVE
582	help
583	  If you say yes to this option, support will be included for the
584	  Synopsys DesignWare I2C slave adapter.
585
586config I2C_DESIGNWARE_PLATFORM
587	tristate "Synopsys DesignWare Platform driver"
588	depends on (ACPI && COMMON_CLK) || !ACPI
589	select MFD_SYSCON if MIPS_BAIKAL_T1
590	default I2C_DESIGNWARE_CORE
591	help
592	  If you say yes to this option, support will be included for the
593	  Synopsys DesignWare I2C adapters on the platform bus.
594
595	  This driver can also be built as a module.  If so, the module
596	  will be called i2c-designware-platform.
597
598config I2C_DESIGNWARE_AMDISP
599	tristate "Synopsys DesignWare Platform for AMDISP"
600	depends on DRM_AMD_ISP || COMPILE_TEST
601	depends on I2C_DESIGNWARE_CORE
602	help
603	  If you say yes to this option, support will be included for the
604	  AMDISP Synopsys DesignWare I2C adapter.
605
606	  This driver can also be built as a module.  If so, the module
607	  will be called amd_isp_i2c_designware.
608
609config I2C_DESIGNWARE_AMDPSP
610	bool "AMD PSP I2C semaphore support"
611	depends on ACPI
612	depends on CRYPTO_DEV_SP_PSP
613	depends on PCI
614	depends on I2C_DESIGNWARE_PLATFORM
615	depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \
616		   (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD)
617	help
618	  This driver enables managed host access to the selected I2C bus shared
619	  between AMD CPU and AMD PSP.
620
621	  You should say Y if running on an AMD system equipped with the PSP.
622
623config I2C_DESIGNWARE_BAYTRAIL
624	bool "Intel Baytrail I2C semaphore support"
625	depends on ACPI
626	depends on I2C_DESIGNWARE_PLATFORM
627	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
628		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
629	help
630	  This driver enables managed host access to the PMIC I2C bus on select
631	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
632	  the host to request uninterrupted access to the PMIC's I2C bus from
633	  the platform firmware controlling it. You should say Y if running on
634	  a BayTrail system using the AXP288.
635
636config I2C_DESIGNWARE_PCI
637	tristate "Synopsys DesignWare PCI driver"
638	depends on PCI
639	select I2C_CCGX_UCSI
640	help
641	  If you say yes to this option, support will be included for the
642	  Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is
643	  supported.
644
645	  This driver can also be built as a module.  If so, the module
646	  will be called i2c-designware-pci.
647
648endif
649
650config I2C_DIGICOLOR
651	tristate "Conexant Digicolor I2C driver"
652	depends on ARCH_DIGICOLOR || COMPILE_TEST
653	help
654	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
655
656	  This driver can also be built as a module.  If so, the module
657	  will be called i2c-digicolor.
658
659config I2C_EG20T
660	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
661	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
662	help
663	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
664	  is an IOH(Input/Output Hub) for x86 embedded processor.
665	  This driver can access PCH I2C bus device.
666
667	  This driver also can be used for LAPIS Semiconductor IOH(Input/
668	  Output Hub), ML7213, ML7223 and ML7831.
669	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
670	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
671	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
672	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
673
674config I2C_EMEV2
675	tristate "EMMA Mobile series I2C adapter"
676	depends on HAVE_CLK
677	select I2C_SLAVE
678	help
679	  If you say yes to this option, support will be included for the
680	  I2C interface on the Renesas Electronics EM/EV family of processors.
681
682config I2C_EXYNOS5
683	tristate "Exynos high-speed I2C driver"
684	depends on OF
685	depends on ARCH_EXYNOS || COMPILE_TEST
686	default y if ARCH_EXYNOS
687	help
688	  High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
689	  Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
690	  Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
691	  Choose Y here only if you build for such Samsung SoC.
692
693config I2C_GPIO
694	tristate "GPIO-based bitbanging I2C"
695	depends on GPIOLIB || COMPILE_TEST
696	select I2C_ALGOBIT
697	help
698	  This is a very simple bitbanging I2C driver utilizing the
699	  arch-neutral GPIO API to control the SCL and SDA lines.
700
701config I2C_GPIO_FAULT_INJECTOR
702	bool "GPIO-based fault injector"
703	depends on I2C_GPIO
704	help
705	  This adds some functionality to the i2c-gpio driver which can inject
706	  faults to an I2C bus, so another bus master can be stress-tested.
707	  This is for debugging. If unsure, say 'no'.
708
709config I2C_GXP
710	tristate "GXP I2C Interface"
711	depends on ARCH_HPE_GXP || COMPILE_TEST
712	help
713	  This enables support for GXP I2C interface. The I2C engines can be
714	  either I2C master or I2C slaves.
715
716config I2C_HIGHLANDER
717	tristate "Highlander FPGA SMBus interface"
718	depends on SH_HIGHLANDER || COMPILE_TEST
719	help
720	  If you say yes to this option, support will be included for
721	  the SMBus interface located in the FPGA on various Highlander
722	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
723	  FPGAs. This is wholly unrelated to the SoC I2C.
724
725	  This driver can also be built as a module.  If so, the module
726	  will be called i2c-highlander.
727
728config I2C_HISI
729	tristate "HiSilicon I2C controller"
730	depends on ARM64 || COMPILE_TEST
731	help
732	  Say Y here if you want to have Hisilicon I2C controller support
733	  available on the Kunpeng Server.
734
735	  This driver can also be built as a module. If so, the module
736	  will be called i2c-hisi.
737
738config I2C_IBM_IIC
739	tristate "IBM PPC 4xx on-chip I2C interface"
740	depends on 4xx
741	help
742	  Say Y here if you want to use IIC peripheral found on
743	  embedded IBM PPC 4xx based systems.
744
745	  This driver can also be built as a module.  If so, the module
746	  will be called i2c-ibm_iic.
747
748config I2C_IMG
749	tristate "Imagination Technologies I2C SCB Controller"
750	depends on MIPS || COMPILE_TEST
751	help
752	  Say Y here if you want to use the IMG I2C SCB controller,
753	  available on the TZ1090 and other IMG SoCs.
754
755	  This driver can also be built as a module.  If so, the module
756	  will be called i2c-img-scb.
757
758config I2C_IMX
759	tristate "IMX I2C interface"
760	depends on ARCH_MXC || ARCH_LAYERSCAPE || ARCH_S32 || COLDFIRE \
761		|| COMPILE_TEST
762	select I2C_SLAVE
763	help
764	  Say Y here if you want to use the IIC bus controller on
765	  the Freescale i.MX/MXC/S32G, Layerscape or ColdFire processors.
766
767	  This driver can also be built as a module. If so, the module
768	  will be called i2c-imx.
769
770config I2C_IMX_LPI2C
771	tristate "IMX Low Power I2C interface"
772	depends on ARCH_MXC || COMPILE_TEST
773	select I2C_SLAVE
774	help
775	  Say Y here if you want to use the Low Power IIC bus controller
776	  on the Freescale i.MX processors.
777
778	  This driver can also be built as a module. If so, the module
779	  will be called i2c-imx-lpi2c.
780
781config I2C_IOP3XX
782	tristate "Intel IXP4xx on-chip I2C interface"
783	depends on ARCH_IXP4XX || COMPILE_TEST
784	help
785	  Say Y here if you want to use the IIC bus controller on
786	  the Intel IXP4xx Network Processors.
787
788	  This driver can also be built as a module.  If so, the module
789	  will be called i2c-iop3xx.
790
791config I2C_JZ4780
792	tristate "JZ4780 I2C controller interface support"
793	depends on MIPS || COMPILE_TEST
794	help
795	 If you say yes to this option, support will be included for the
796	 Ingenic JZ4780 I2C controller.
797
798	 If you don't know what to do here, say N.
799
800config I2C_K1
801	tristate "SpacemiT K1 I2C adapter"
802	depends on ARCH_SPACEMIT || COMPILE_TEST
803	depends on OF
804	help
805	  This option enables support for the I2C interface on the SpacemiT K1
806	  platform.
807
808	  If you enable this configuration, the kernel will include support for
809	  the I2C adapter specific to the SpacemiT K1 platform. This driver can
810	  be used to manage I2C bus transactions, which are necessary for
811	  interfacing with I2C peripherals such as sensors, EEPROMs, and other
812	  devices.
813
814	  This driver can also be built as a module.  If so, the
815	  module will be called `i2c-k1`.
816
817config I2C_KEBA
818	tristate "KEBA I2C controller support"
819	depends on HAS_IOMEM
820	depends on KEBA_CP500 || COMPILE_TEST
821	select AUXILIARY_BUS
822	help
823	  This driver supports the I2C controller found in KEBA system FPGA
824	  devices.
825
826	  This driver can also be built as a module. If so, the module
827	  will be called i2c-keba.
828
829config I2C_KEMPLD
830	tristate "Kontron COM I2C Controller"
831	depends on MFD_KEMPLD
832	help
833	  This enables support for the I2C bus interface on some Kontron ETX
834	  and COMexpress (ETXexpress) modules.
835
836	  This driver can also be built as a module. If so, the module
837	  will be called i2c-kempld.
838
839config I2C_LPC2K
840	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
841	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
842	help
843	  This driver supports the I2C interface found several NXP
844	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
845
846	  This driver can also be built as a module.  If so, the module
847	  will be called i2c-lpc2k.
848
849config I2C_LS2X
850	tristate "Loongson LS2X I2C adapter"
851	depends on MACH_LOONGSON64 || COMPILE_TEST
852	help
853	  If you say yes to this option, support will be included for the
854	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
855	  chip.
856
857	  This driver can also be built as a module. If so, the module
858	  will be called i2c-ls2x.
859
860config I2C_MLXBF
861        tristate "Mellanox BlueField I2C controller"
862        depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST
863	depends on ACPI
864	select I2C_SLAVE
865        help
866          Enabling this option will add I2C SMBus support for Mellanox BlueField
867          system.
868
869          This driver can also be built as a module. If so, the module will be
870          called i2c-mlxbf.
871
872          This driver implements an I2C SMBus host controller and enables both
873          master and slave functions.
874
875config I2C_MESON
876	tristate "Amlogic Meson I2C controller"
877	depends on ARCH_MESON || COMPILE_TEST
878	depends on COMMON_CLK
879	help
880	  If you say yes to this option, support will be included for the
881	  I2C interface on the Amlogic Meson family of SoCs.
882
883config I2C_MICROCHIP_CORE
884	tristate "Microchip FPGA I2C controller"
885	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
886	depends on OF
887	help
888	  If you say yes to this option, support will be included for the
889	  I2C interface on Microchip FPGAs.
890
891	  This driver can also be built as a module. If so, the module will be
892	  called i2c-microchip-core.
893
894config I2C_MPC
895	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
896	depends on PPC
897	help
898	  If you say yes to this option, support will be included for the
899	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
900	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
901
902	  This driver can also be built as a module.  If so, the module
903	  will be called i2c-mpc.
904
905config I2C_MT65XX
906	tristate "MediaTek I2C adapter"
907	depends on ARCH_MEDIATEK || COMPILE_TEST
908	help
909	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
910	  for MT65xx and MT81xx.
911	  If you want to use MediaTek(R) I2C interface, say Y or M here.
912	  If unsure, say N.
913
914config I2C_MT7621
915	tristate "MT7621/MT7628 I2C Controller"
916	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST
917	help
918	  Say Y here to include support for I2C controller in the
919	  MediaTek MT7621/MT7628 SoCs.
920
921config I2C_MV64XXX
922	tristate "Marvell mv64xxx I2C Controller"
923	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
924	help
925	  If you say yes to this option, support will be included for the
926	  built-in I2C interface on the Marvell 64xxx line of host bridges.
927	  This driver is also used for Allwinner SoCs I2C controllers.
928
929	  This driver can also be built as a module.  If so, the module
930	  will be called i2c-mv64xxx.
931
932config I2C_MXS
933	tristate "Freescale i.MX28 I2C interface"
934	depends on SOC_IMX28 || COMPILE_TEST
935	select STMP_DEVICE
936	help
937	  Say Y here if you want to use the I2C bus controller on
938	  the Freescale i.MX28 processors.
939
940	  This driver can also be built as a module.  If so, the module
941	  will be called i2c-mxs.
942
943config I2C_NOMADIK
944	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
945	depends on ARM_AMBA || COMPILE_TEST
946	help
947	  If you say yes to this option, support will be included for the
948	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
949	  as well as the STA2X11 PCIe I/O HUB.
950
951config I2C_NPCM
952	tristate "Nuvoton I2C Controller"
953	depends on ARCH_NPCM || COMPILE_TEST
954	help
955	  If you say yes to this option, support will be included for the
956	  Nuvoton I2C controller, which is available on the NPCM BMC
957	  controllers.
958	  Driver can also support slave mode (select I2C_SLAVE).
959
960config I2C_OCORES
961	tristate "OpenCores I2C Controller"
962	help
963	  If you say yes to this option, support will be included for the
964	  OpenCores I2C controller. For details see
965	  http://www.opencores.org/projects.cgi/web/i2c/overview
966
967	  This driver can also be built as a module.  If so, the module
968	  will be called i2c-ocores.
969
970config I2C_OMAP
971	tristate "OMAP I2C adapter"
972	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
973	default MACH_OMAP_OSK
974	select MULTIPLEXER
975	help
976	  If you say yes to this option, support will be included for the
977	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
978	  Like OMAP1510/1610/1710/5912 and OMAP242x.
979	  For details see http://www.ti.com/omap.
980
981config I2C_OWL
982	tristate "Actions Semiconductor Owl I2C Controller"
983	depends on ARCH_ACTIONS || COMPILE_TEST
984	help
985	  Say Y here if you want to use the I2C bus controller on
986	  the Actions Semiconductor Owl SoC's.
987
988config I2C_PASEMI
989	tristate "PA Semi SMBus interface"
990	depends on PPC_PASEMI && PCI
991	help
992	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
993
994config I2C_APPLE
995	tristate "Apple SMBus platform driver"
996	depends on !I2C_PASEMI
997	depends on ARCH_APPLE || COMPILE_TEST
998	help
999	  Say Y here if you want to use the I2C controller present on Apple
1000	  Silicon chips such as the M1.
1001
1002	  This driver can also be built as a module. If so, the module
1003	  will be called i2c-apple.
1004
1005config I2C_PCA_PLATFORM
1006	tristate "PCA9564/PCA9665 as platform device"
1007	select I2C_ALGOPCA
1008	help
1009	  This driver supports a memory mapped Philips PCA9564/PCA9665
1010	  parallel bus to I2C bus controller.
1011
1012	  This driver can also be built as a module.  If so, the module
1013	  will be called i2c-pca-platform.
1014
1015config I2C_PNX
1016	tristate "I2C bus support for Philips PNX and NXP LPC targets"
1017	depends on ARCH_LPC32XX || COMPILE_TEST
1018	help
1019	  This driver supports the Philips IP3204 I2C IP block master and/or
1020	  slave controller
1021
1022	  This driver can also be built as a module.  If so, the module
1023	  will be called i2c-pnx.
1024
1025config I2C_PXA
1026	tristate "Intel PXA2XX I2C adapter"
1027	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
1028	help
1029	  If you have devices in the PXA I2C bus, say yes to this option.
1030	  This driver can also be built as a module.  If so, the module
1031	  will be called i2c-pxa.
1032
1033config I2C_PXA_PCI
1034	def_bool I2C_PXA && X86_32 && PCI && OF
1035
1036config I2C_PXA_SLAVE
1037	bool "Intel PXA2XX I2C Slave comms support"
1038	depends on I2C_PXA && !X86_32
1039	select I2C_SLAVE
1040	help
1041	  Support I2C slave mode communications on the PXA I2C bus.  This
1042	  is necessary for systems where the PXA may be a target on the
1043	  I2C bus.
1044
1045config I2C_QCOM_CCI
1046	tristate "Qualcomm Camera Control Interface"
1047	depends on ARCH_QCOM || COMPILE_TEST
1048	help
1049	  If you say yes to this option, support will be included for the
1050	  built-in camera control interface on the Qualcomm SoCs.
1051
1052	  This driver can also be built as a module.  If so, the module
1053	  will be called i2c-qcom-cci.
1054
1055config I2C_QCOM_GENI
1056	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
1057	depends on ARCH_QCOM || COMPILE_TEST
1058	depends on QCOM_GENI_SE
1059	help
1060	  This driver supports GENI serial engine based I2C controller in
1061	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
1062	  yes to this option, support will be included for the built-in I2C
1063	  interface on the Qualcomm Technologies Inc.'s SoCs.
1064
1065	  This driver can also be built as a module.  If so, the module
1066	  will be called i2c-qcom-geni.
1067
1068config I2C_QUP
1069	tristate "Qualcomm QUP based I2C controller"
1070	depends on ARCH_QCOM || COMPILE_TEST
1071	help
1072	  If you say yes to this option, support will be included for the
1073	  built-in I2C interface on the Qualcomm SoCs.
1074
1075	  This driver can also be built as a module.  If so, the module
1076	  will be called i2c-qup.
1077
1078config I2C_RIIC
1079	tristate "Renesas RIIC adapter"
1080	depends on ARCH_RENESAS || COMPILE_TEST
1081	help
1082	  If you say yes to this option, support will be included for the
1083	  Renesas RIIC I2C interface.
1084
1085	  This driver can also be built as a module.  If so, the module
1086	  will be called i2c-riic.
1087
1088config I2C_RK3X
1089	tristate "Rockchip RK3xxx I2C adapter"
1090	depends on OF && COMMON_CLK
1091	help
1092	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
1093	  SoCs.
1094
1095	  This driver can also be built as a module. If so, the module will
1096	  be called i2c-rk3x.
1097
1098config I2C_RTL9300
1099	tristate "Realtek RTL9300 I2C controller"
1100	depends on MACH_REALTEK_RTL || COMPILE_TEST
1101	help
1102	  Say Y here to include support for the I2C controller in Realtek
1103	  RTL9300 SoCs.
1104
1105	  This driver can also be built as a module. If so, the module will
1106	  be called i2c-rtl9300.
1107
1108config I2C_RZV2M
1109	tristate "Renesas RZ/V2M adapter"
1110	depends on ARCH_RENESAS || COMPILE_TEST
1111	help
1112	  If you say yes to this option, support will be included for the
1113	  Renesas RZ/V2M I2C interface.
1114
1115	  This driver can also be built as a module.  If so, the module
1116	  will be called i2c-rzv2m.
1117
1118config I2C_S3C2410
1119	tristate "S3C/Exynos I2C Driver"
1120	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
1121	help
1122	  Say Y here to include support for I2C controller in the
1123	  Samsung SoCs (S3C, S5Pv210, Exynos).
1124
1125config I2C_SH7760
1126	tristate "Renesas SH7760 I2C Controller"
1127	depends on CPU_SUBTYPE_SH7760
1128	help
1129	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
1130
1131	  This driver can also be built as a module.  If so, the module
1132	  will be called i2c-sh7760.
1133
1134config I2C_SH_MOBILE
1135	tristate "SuperH Mobile I2C Controller"
1136	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
1137	help
1138	  If you say yes to this option, support will be included for the
1139	  built-in I2C interface on the Renesas SH-Mobile processor.
1140
1141	  This driver can also be built as a module.  If so, the module
1142	  will be called i2c-sh_mobile.
1143
1144config I2C_SIMTEC
1145	tristate "Simtec Generic I2C interface"
1146	select I2C_ALGOBIT
1147	help
1148	  If you say yes to this option, support will be included for
1149	  the Simtec Generic I2C interface. This driver is for the
1150	  simple I2C bus used on newer Simtec products for general
1151	  I2C, such as DDC on the Simtec BBD2016A.
1152
1153	  This driver can also be built as a module. If so, the module
1154	  will be called i2c-simtec.
1155
1156config I2C_SPRD
1157	tristate "Spreadtrum I2C interface"
1158	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1159	depends on COMMON_CLK
1160	help
1161	  If you say yes to this option, support will be included for the
1162	  Spreadtrum I2C interface.
1163
1164config I2C_ST
1165	tristate "STMicroelectronics SSC I2C support"
1166	depends on ARCH_STI || COMPILE_TEST
1167	help
1168	  Enable this option to add support for STMicroelectronics SoCs
1169	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
1170
1171	  This driver can also be built as module. If so, the module
1172	  will be called i2c-st.
1173
1174config I2C_STM32F4
1175	tristate "STMicroelectronics STM32F4 I2C support"
1176	depends on ARCH_STM32 || COMPILE_TEST
1177	help
1178	  Enable this option to add support for STM32 I2C controller embedded
1179	  in STM32F4 SoCs.
1180
1181	  This driver can also be built as module. If so, the module
1182	  will be called i2c-stm32f4.
1183
1184config I2C_STM32F7
1185	tristate "STMicroelectronics STM32F7 I2C support"
1186	depends on ARCH_STM32 || COMPILE_TEST
1187	select I2C_SLAVE
1188	select I2C_SMBUS
1189	help
1190	  Enable this option to add support for STM32 I2C controller embedded
1191	  in STM32F7 SoCs.
1192
1193	  This driver can also be built as module. If so, the module
1194	  will be called i2c-stm32f7.
1195
1196config I2C_SUN6I_P2WI
1197	tristate "Allwinner sun6i internal P2WI controller"
1198	depends on RESET_CONTROLLER
1199	depends on MACH_SUN6I || COMPILE_TEST
1200	help
1201	  If you say yes to this option, support will be included for the
1202	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1203	  SOCs.
1204	  The P2WI looks like an SMBus controller (which supports only byte
1205	  accesses), except that it only supports one slave device.
1206	  This interface is used to connect to specific PMIC devices (like the
1207	  AXP221).
1208
1209config I2C_SYNQUACER
1210	tristate "Socionext SynQuacer I2C controller"
1211	depends on ARCH_SYNQUACER || COMPILE_TEST
1212	help
1213	  Say Y here to include support for the I2C controller used in some
1214	  Fujitsu and Socionext SoCs.
1215
1216	  This driver can also be built as a module. If so, the module
1217	  will be called i2c-synquacer.
1218
1219config I2C_TEGRA
1220	tristate "NVIDIA Tegra internal I2C controller"
1221	depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
1222	# COMPILE_TEST needs architectures with readsX()/writesX() primitives
1223	help
1224	  If you say yes to this option, support will be included for the
1225	  I2C controller embedded in NVIDIA Tegra SOCs
1226
1227config I2C_TEGRA_BPMP
1228	tristate "NVIDIA Tegra BPMP I2C controller"
1229	depends on TEGRA_BPMP || COMPILE_TEST
1230	default y if TEGRA_BPMP
1231	help
1232	  If you say yes to this option, support will be included for the I2C
1233	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1234
1235	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1236	  of the BPMP firmware, and this driver merely communicates with that
1237	  real driver.
1238
1239config I2C_UNIPHIER
1240	tristate "UniPhier FIFO-less I2C controller"
1241	depends on ARCH_UNIPHIER || COMPILE_TEST
1242	help
1243	  If you say yes to this option, support will be included for
1244	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1245	  or older UniPhier SoCs.
1246
1247config I2C_UNIPHIER_F
1248	tristate "UniPhier FIFO-builtin I2C controller"
1249	depends on ARCH_UNIPHIER || COMPILE_TEST
1250	help
1251	  If you say yes to this option, support will be included for
1252	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1253	  PH1-Pro5, or newer UniPhier SoCs.
1254
1255config I2C_VERSATILE
1256	tristate "ARM Versatile/Realview I2C bus support"
1257	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1258	select I2C_ALGOBIT
1259	help
1260	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1261	  range of platforms.
1262
1263	  This driver can also be built as a module.  If so, the module
1264	  will be called i2c-versatile.
1265
1266config I2C_WMT
1267	tristate "Wondermedia WM8xxx SoC I2C bus support"
1268	depends on ARCH_VT8500 || COMPILE_TEST
1269	help
1270	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1271	  SoCs.
1272
1273	  This driver can also be built as a module. If so, the module will be
1274	  called i2c-wmt.
1275
1276config I2C_OCTEON
1277	tristate "Cavium OCTEON I2C bus support"
1278	depends on CAVIUM_OCTEON_SOC
1279	help
1280	  Say yes if you want to support the I2C serial bus on Cavium
1281	  OCTEON SOC.
1282
1283	  This driver can also be built as a module.  If so, the module
1284	  will be called i2c-octeon.
1285
1286config I2C_THUNDERX
1287	tristate "Cavium ThunderX I2C bus support"
1288	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1289	select I2C_SMBUS
1290	help
1291	  Say yes if you want to support the I2C serial bus on Cavium
1292	  ThunderX SOC.
1293
1294	  This driver can also be built as a module.  If so, the module
1295	  will be called i2c-thunderx.
1296
1297config I2C_XILINX
1298	tristate "Xilinx I2C Controller"
1299	depends on HAS_IOMEM
1300	help
1301	  If you say yes to this option, support will be included for the
1302	  Xilinx I2C controller.
1303
1304	  This driver can also be built as a module.  If so, the module
1305	  will be called xilinx_i2c.
1306
1307config I2C_XLP9XX
1308	tristate "Cavium ThunderX2 I2C support"
1309	depends on ARCH_THUNDER2 || COMPILE_TEST
1310	help
1311	  This driver enables support for the on-chip I2C interface of
1312	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1313
1314	  This driver can also be built as a module.  If so, the module will
1315	  be called i2c-xlp9xx.
1316
1317config I2C_RCAR
1318	tristate "Renesas R-Car I2C Controller"
1319	depends on ARCH_RENESAS || COMPILE_TEST
1320	select I2C_SLAVE
1321	select I2C_SMBUS
1322	select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4
1323	help
1324	  If you say yes to this option, support will be included for the
1325	  R-Car I2C controller.
1326
1327	  This driver can also be built as a module.  If so, the module
1328	  will be called i2c-rcar.
1329
1330comment "External I2C/SMBus adapter drivers"
1331
1332config I2C_DIOLAN_U2C
1333	tristate "Diolan U2C-12 USB adapter"
1334	depends on USB
1335	help
1336	  If you say yes to this option, support will be included for Diolan
1337	  U2C-12, a USB to I2C interface.
1338
1339	  This driver can also be built as a module.  If so, the module
1340	  will be called i2c-diolan-u2c.
1341
1342config I2C_DLN2
1343	tristate "Diolan DLN-2 USB I2C adapter"
1344	depends on MFD_DLN2
1345	help
1346	 If you say yes to this option, support will be included for Diolan
1347	 DLN2, a USB to I2C interface.
1348
1349	 This driver can also be built as a module.  If so, the module
1350	 will be called i2c-dln2.
1351
1352config I2C_LJCA
1353	tristate "I2C functionality of Intel La Jolla Cove Adapter"
1354	depends on USB_LJCA
1355	default USB_LJCA
1356	help
1357	  If you say yes to this option, I2C functionality support of Intel
1358	  La Jolla Cove Adapter (LJCA) will be included.
1359
1360	  This driver can also be built as a module.  If so, the module
1361	  will be called i2c-ljca.
1362
1363config I2C_NCT6694
1364	tristate "Nuvoton NCT6694 I2C adapter support"
1365	depends on MFD_NCT6694
1366	help
1367	  If you say yes to this option, support will be included for Nuvoton
1368	  NCT6694, a USB to I2C interface.
1369
1370	  This driver can also be built as a module. If so, the module will
1371	  be called i2c-nct6694.
1372
1373config I2C_USBIO
1374	tristate "Intel USBIO I2C Adapter support"
1375	depends on USB_USBIO
1376	default USB_USBIO
1377	help
1378	  Select this option to enable I2C driver for the INTEL
1379	  USBIO driver stack.
1380
1381	  This driver can also be built as a module.  If so, the module
1382	  will be called i2c_usbio.
1383
1384config I2C_CP2615
1385	tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1386	depends on USB
1387	help
1388	  If you say yes to this option, support will be included for Silicon
1389	  Labs CP2615's I2C interface.
1390
1391	  This driver can also be built as a module.  If so, the module
1392	  will be called i2c-cp2615.
1393
1394config I2C_PARPORT
1395	tristate "Parallel port adapter"
1396	depends on PARPORT
1397	select I2C_ALGOBIT
1398	select I2C_SMBUS
1399	help
1400	  This supports parallel port I2C adapters such as the ones made by
1401	  Philips or Velleman, Analog Devices evaluation boards, and more.
1402	  Basically any adapter using the parallel port as an I2C bus with
1403	  no extra chipset is supported by this driver, or could be. Please
1404	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
1405
1406	  This support is also available as a module.  If so, the module
1407	  will be called i2c-parport.
1408
1409config I2C_PCI1XXXX
1410	tristate "PCI1XXXX I2C Host Adapter"
1411	depends on PCI
1412	help
1413	  If you say yes to this option, support will be included for
1414	  Microchip PCI1XXXX's I2C interface.
1415
1416	  This driver can also be built as a module. If so, the module will
1417	  be called i2c-mchp-pci1xxxx.
1418
1419config I2C_ROBOTFUZZ_OSIF
1420	tristate "RobotFuzz Open Source InterFace USB adapter"
1421	depends on USB
1422	help
1423	  If you say yes to this option, support will be included for the
1424	  RobotFuzz Open Source InterFace USB to I2C interface.
1425
1426	  This driver can also be built as a module.  If so, the module
1427	  will be called i2c-osif.
1428
1429config I2C_TAOS_EVM
1430	tristate "TAOS evaluation module"
1431	depends on TTY
1432	select SERIO
1433	select SERIO_SERPORT
1434	help
1435	  This supports TAOS evaluation modules on serial port. In order to
1436	  use this driver, you will need the inputattach tool, which is part
1437	  of the input-utils package.
1438
1439	  If unsure, say N.
1440
1441	  This support is also available as a module.  If so, the module
1442	  will be called i2c-taos-evm.
1443
1444config I2C_TINY_USB
1445	tristate "Tiny-USB adapter"
1446	depends on USB
1447	help
1448	  If you say yes to this option, support will be included for the
1449	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1450	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1451
1452	  This driver can also be built as a module.  If so, the module
1453	  will be called i2c-tiny-usb.
1454
1455config I2C_VIPERBOARD
1456	tristate "Viperboard I2C master support"
1457	depends on MFD_VIPERBOARD && USB
1458	help
1459	  Say yes here to access the I2C part of the Nano River
1460	  Technologies Viperboard as I2C master.
1461	  See viperboard API specification and Nano
1462	  River Tech's viperboard.h for detailed meaning
1463	  of the module parameters.
1464
1465comment "Other I2C/SMBus bus drivers"
1466
1467config I2C_ACORN
1468	tristate "Acorn IOC/IOMD I2C bus support"
1469	depends on ARCH_ACORN
1470	default y
1471	select I2C_ALGOBIT
1472	help
1473	  Say yes if you want to support the I2C bus on Acorn platforms.
1474
1475	  If you don't know, say Y.
1476
1477config I2C_ELEKTOR
1478	tristate "Elektor ISA card"
1479	depends on ISA && HAS_IOPORT_MAP
1480	select I2C_ALGOPCF
1481	help
1482	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1483	  such an adapter.
1484
1485	  This support is also available as a module.  If so, the module
1486	  will be called i2c-elektor.
1487
1488config I2C_ICY
1489	tristate "ICY Zorro card"
1490	depends on ZORRO
1491	select I2C_ALGOPCF
1492	help
1493	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1494	  Say Y if you own such an adapter.
1495
1496	  This support is also available as a module.  If so, the module
1497	  will be called i2c-icy.
1498
1499	  If you have a 2019 edition board with an LTC2990 sensor at address
1500	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1501
1502config I2C_MLXCPLD
1503	tristate "Mellanox I2C driver"
1504	depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
1505	depends on HAS_IOPORT
1506	help
1507	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1508	  for X86 and ARM64/ACPI based systems.
1509	  Controller is implemented as CPLD logic.
1510
1511	  This driver can also be built as a module. If so, the module will be
1512	  called as i2c-mlxcpld.
1513
1514config I2C_PCA_ISA
1515	tristate "PCA9564/PCA9665 on an ISA bus"
1516	depends on ISA
1517	select I2C_ALGOPCA
1518	help
1519	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1520	  parallel bus to I2C bus controller.
1521
1522	  This driver can also be built as a module.  If so, the module
1523	  will be called i2c-pca-isa.
1524
1525	  This device is almost undetectable and using this driver on a
1526	  system which doesn't have this device will result in long
1527	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1528	  time).  If unsure, say N.
1529
1530config I2C_SIBYTE
1531	tristate "SiByte SMBus interface"
1532	depends on SIBYTE_SB1xxx_SOC
1533	help
1534	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1535
1536config I2C_CROS_EC_TUNNEL
1537	tristate "ChromeOS EC tunnel I2C bus"
1538	depends on CROS_EC
1539	help
1540	  If you say yes here you get an I2C bus that will tunnel i2c commands
1541	  through to the other side of the ChromeOS EC to the i2c bus
1542	  connected there. This will work whatever the interface used to
1543	  talk to the EC (SPI, I2C or LPC).
1544
1545config I2C_XGENE_SLIMPRO
1546	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1547	depends on ARCH_XGENE && MAILBOX
1548	help
1549	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1550	  co-processor. The I2C device access the I2C bus via the X-Gene
1551	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1552	  If unsure, say N.
1553
1554config SCx200_ACB
1555	tristate "Geode ACCESS.bus support"
1556	depends on X86_32 && PCI && HAS_IOPORT
1557	help
1558	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1559	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1560
1561	  If you don't know what to do here, say N.
1562
1563	  This support is also available as a module.  If so, the module
1564	  will be called scx200_acb.
1565
1566config I2C_OPAL
1567	tristate "IBM OPAL I2C driver"
1568	depends on PPC_POWERNV
1569	default y
1570	help
1571	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1572	  the driver is based on the OPAL interfaces.
1573
1574	  This driver can also be built as a module. If so, the module will be
1575	  called as i2c-opal.
1576
1577config I2C_FSI
1578	tristate "FSI I2C driver"
1579	depends on FSI
1580	help
1581	  Driver for FSI bus attached I2C masters. These are I2C masters that
1582	  are connected to the system over an FSI bus, instead of the more
1583	  common PCI or MMIO interface.
1584
1585	  This driver can also be built as a module. If so, the module will be
1586	  called as i2c-fsi.
1587
1588config I2C_VIRTIO
1589        tristate "Virtio I2C Adapter"
1590        select VIRTIO
1591        help
1592          If you say yes to this option, support will be included for the virtio
1593          I2C adapter driver. The hardware can be emulated by any device model
1594          software according to the virtio protocol.
1595
1596          This driver can also be built as a module. If so, the module
1597          will be called i2c-virtio.
1598
1599endmenu
1600