xref: /linux/drivers/i2c/busses/Kconfig (revision f105c7a1be20c0e656d3175f5a7b4a4405d4e169)
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 || MCHP_LAN966X_PCI || 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, and the I2C slave when enabled (select
573	  I2C_SLAVE).
574
575	  To compile the driver as a module, choose M here: the module will be
576	  called i2c-designware-core.
577
578if I2C_DESIGNWARE_CORE
579
580config I2C_DESIGNWARE_PLATFORM
581	tristate "Synopsys DesignWare Platform driver"
582	depends on (ACPI && COMMON_CLK) || !ACPI
583	default I2C_DESIGNWARE_CORE
584	help
585	  If you say yes to this option, support will be included for the
586	  Synopsys DesignWare I2C adapters on the platform bus.
587
588	  This driver can also be built as a module.  If so, the module
589	  will be called i2c-designware-platform.
590
591config I2C_DESIGNWARE_AMDISP
592	tristate "Synopsys DesignWare Platform for AMDISP"
593	depends on DRM_AMD_ISP || COMPILE_TEST
594	depends on I2C_DESIGNWARE_CORE
595	help
596	  If you say yes to this option, support will be included for the
597	  AMDISP Synopsys DesignWare I2C adapter.
598
599	  This driver can also be built as a module.  If so, the module
600	  will be called amd_isp_i2c_designware.
601
602config I2C_DESIGNWARE_AMDPSP
603	bool "AMD PSP I2C semaphore support"
604	depends on ACPI
605	depends on CRYPTO_DEV_SP_PSP
606	depends on PCI
607	depends on I2C_DESIGNWARE_PLATFORM
608	depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \
609		   (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD)
610	help
611	  This driver enables managed host access to the selected I2C bus shared
612	  between AMD CPU and AMD PSP.
613
614	  You should say Y if running on an AMD system equipped with the PSP.
615
616config I2C_DESIGNWARE_BAYTRAIL
617	bool "Intel Baytrail I2C semaphore support"
618	depends on ACPI
619	depends on I2C_DESIGNWARE_PLATFORM
620	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
621		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
622	help
623	  This driver enables managed host access to the PMIC I2C bus on select
624	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
625	  the host to request uninterrupted access to the PMIC's I2C bus from
626	  the platform firmware controlling it. You should say Y if running on
627	  a BayTrail system using the AXP288.
628
629config I2C_DESIGNWARE_PCI
630	tristate "Synopsys DesignWare PCI driver"
631	depends on PCI
632	select I2C_CCGX_UCSI
633	help
634	  If you say yes to this option, support will be included for the
635	  Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is
636	  supported.
637
638	  This driver can also be built as a module.  If so, the module
639	  will be called i2c-designware-pci.
640
641endif
642
643config I2C_DIGICOLOR
644	tristate "Conexant Digicolor I2C driver"
645	depends on ARCH_DIGICOLOR || COMPILE_TEST
646	help
647	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
648
649	  This driver can also be built as a module.  If so, the module
650	  will be called i2c-digicolor.
651
652config I2C_EG20T
653	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
654	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
655	help
656	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
657	  is an IOH(Input/Output Hub) for x86 embedded processor.
658	  This driver can access PCH I2C bus device.
659
660	  This driver also can be used for LAPIS Semiconductor IOH(Input/
661	  Output Hub), ML7213, ML7223 and ML7831.
662	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
663	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
664	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
665	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
666
667config I2C_EMEV2
668	tristate "EMMA Mobile series I2C adapter"
669	depends on HAVE_CLK
670	select I2C_SLAVE
671	help
672	  If you say yes to this option, support will be included for the
673	  I2C interface on the Renesas Electronics EM/EV family of processors.
674
675config I2C_EXYNOS5
676	tristate "Exynos high-speed I2C driver"
677	depends on OF
678	depends on ARCH_EXYNOS || COMPILE_TEST
679	default y if ARCH_EXYNOS
680	help
681	  High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
682	  Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
683	  Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
684	  Choose Y here only if you build for such Samsung SoC.
685
686config I2C_GPIO
687	tristate "GPIO-based bitbanging I2C"
688	depends on GPIOLIB || COMPILE_TEST
689	select I2C_ALGOBIT
690	help
691	  This is a very simple bitbanging I2C driver utilizing the
692	  arch-neutral GPIO API to control the SCL and SDA lines.
693
694config I2C_GPIO_FAULT_INJECTOR
695	bool "GPIO-based fault injector"
696	depends on I2C_GPIO
697	help
698	  This adds some functionality to the i2c-gpio driver which can inject
699	  faults to an I2C bus, so another bus master can be stress-tested.
700	  This is for debugging. If unsure, say 'no'.
701
702config I2C_GXP
703	tristate "GXP I2C Interface"
704	depends on ARCH_HPE_GXP || COMPILE_TEST
705	help
706	  This enables support for GXP I2C interface. The I2C engines can be
707	  either I2C master or I2C slaves.
708
709config I2C_HIGHLANDER
710	tristate "Highlander FPGA SMBus interface"
711	depends on SH_HIGHLANDER || COMPILE_TEST
712	help
713	  If you say yes to this option, support will be included for
714	  the SMBus interface located in the FPGA on various Highlander
715	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
716	  FPGAs. This is wholly unrelated to the SoC I2C.
717
718	  This driver can also be built as a module.  If so, the module
719	  will be called i2c-highlander.
720
721config I2C_HISI
722	tristate "HiSilicon I2C controller"
723	depends on ARM64 || COMPILE_TEST
724	help
725	  Say Y here if you want to have Hisilicon I2C controller support
726	  available on the Kunpeng Server.
727
728	  This driver can also be built as a module. If so, the module
729	  will be called i2c-hisi.
730
731config I2C_IBM_IIC
732	tristate "IBM PPC 4xx on-chip I2C interface"
733	depends on 4xx
734	help
735	  Say Y here if you want to use IIC peripheral found on
736	  embedded IBM PPC 4xx based systems.
737
738	  This driver can also be built as a module.  If so, the module
739	  will be called i2c-ibm_iic.
740
741config I2C_IMG
742	tristate "Imagination Technologies I2C SCB Controller"
743	depends on MIPS || COMPILE_TEST
744	help
745	  Say Y here if you want to use the IMG I2C SCB controller,
746	  available on the TZ1090 and other IMG SoCs.
747
748	  This driver can also be built as a module.  If so, the module
749	  will be called i2c-img-scb.
750
751config I2C_IMX
752	tristate "IMX I2C interface"
753	depends on ARCH_MXC || ARCH_LAYERSCAPE || ARCH_S32 || COLDFIRE \
754		|| COMPILE_TEST
755	select I2C_SLAVE
756	help
757	  Say Y here if you want to use the IIC bus controller on
758	  the Freescale i.MX/MXC/S32G, Layerscape or ColdFire processors.
759
760	  This driver can also be built as a module. If so, the module
761	  will be called i2c-imx.
762
763config I2C_IMX_LPI2C
764	tristate "IMX Low Power I2C interface"
765	depends on ARCH_MXC || COMPILE_TEST
766	select I2C_SLAVE
767	help
768	  Say Y here if you want to use the Low Power IIC bus controller
769	  on the Freescale i.MX processors.
770
771	  This driver can also be built as a module. If so, the module
772	  will be called i2c-imx-lpi2c.
773
774config I2C_IOP3XX
775	tristate "Intel IXP4xx on-chip I2C interface"
776	depends on ARCH_IXP4XX || COMPILE_TEST
777	help
778	  Say Y here if you want to use the IIC bus controller on
779	  the Intel IXP4xx Network Processors.
780
781	  This driver can also be built as a module.  If so, the module
782	  will be called i2c-iop3xx.
783
784config I2C_JZ4780
785	tristate "JZ4780 I2C controller interface support"
786	depends on MIPS || COMPILE_TEST
787	help
788	 If you say yes to this option, support will be included for the
789	 Ingenic JZ4780 I2C controller.
790
791	 If you don't know what to do here, say N.
792
793config I2C_K1
794	tristate "SpacemiT K1 I2C adapter"
795	depends on ARCH_SPACEMIT || COMPILE_TEST
796	depends on OF
797	default ARCH_SPACEMIT
798	help
799	  This option enables support for the I2C interface on the SpacemiT K1
800	  platform.
801
802	  If you enable this configuration, the kernel will include support for
803	  the I2C adapter specific to the SpacemiT K1 platform. This driver can
804	  be used to manage I2C bus transactions, which are necessary for
805	  interfacing with I2C peripherals such as sensors, EEPROMs, and other
806	  devices.
807
808	  This driver can also be built as a module.  If so, the
809	  module will be called `i2c-k1`.
810
811config I2C_KEBA
812	tristate "KEBA I2C controller support"
813	depends on HAS_IOMEM
814	depends on KEBA_CP500 || COMPILE_TEST
815	select AUXILIARY_BUS
816	help
817	  This driver supports the I2C controller found in KEBA system FPGA
818	  devices.
819
820	  This driver can also be built as a module. If so, the module
821	  will be called i2c-keba.
822
823config I2C_KEMPLD
824	tristate "Kontron COM I2C Controller"
825	depends on MFD_KEMPLD
826	help
827	  This enables support for the I2C bus interface on some Kontron ETX
828	  and COMexpress (ETXexpress) modules.
829
830	  This driver can also be built as a module. If so, the module
831	  will be called i2c-kempld.
832
833config I2C_LPC2K
834	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
835	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
836	help
837	  This driver supports the I2C interface found several NXP
838	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
839
840	  This driver can also be built as a module.  If so, the module
841	  will be called i2c-lpc2k.
842
843config I2C_LS2X
844	tristate "Loongson LS2X I2C adapter"
845	depends on MACH_LOONGSON64 || COMPILE_TEST
846	help
847	  If you say yes to this option, support will be included for the
848	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
849	  chip.
850
851	  This driver can also be built as a module. If so, the module
852	  will be called i2c-ls2x.
853
854config I2C_LS2X_V2
855	tristate "Loongson-2 Fast Speed I2C adapter"
856	depends on LOONGARCH || COMPILE_TEST
857	select REGMAP_MMIO
858	help
859	  If you say yes to this option, support will be included for the
860	  I2C interface on the Loongson-2K0300 SoCs.
861
862	  This driver can also be built as a module. If so, the module
863	  will be called i2c-ls2x-v2.
864
865config I2C_MLXBF
866        tristate "Mellanox BlueField I2C controller"
867        depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST
868	depends on ACPI
869	select I2C_SLAVE
870        help
871          Enabling this option will add I2C SMBus support for Mellanox BlueField
872          system.
873
874          This driver can also be built as a module. If so, the module will be
875          called i2c-mlxbf.
876
877          This driver implements an I2C SMBus host controller and enables both
878          master and slave functions.
879
880config I2C_MESON
881	tristate "Amlogic Meson I2C controller"
882	depends on ARCH_MESON || COMPILE_TEST
883	depends on COMMON_CLK
884	help
885	  If you say yes to this option, support will be included for the
886	  I2C interface on the Amlogic Meson family of SoCs.
887
888config I2C_MICROCHIP_CORE
889	tristate "Microchip FPGA I2C controller"
890	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
891	depends on OF
892	help
893	  If you say yes to this option, support will be included for the
894	  I2C interface on Microchip FPGAs.
895
896	  This driver can also be built as a module. If so, the module will be
897	  called i2c-microchip-core.
898
899config I2C_MPC
900	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
901	depends on PPC
902	help
903	  If you say yes to this option, support will be included for the
904	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
905	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
906
907	  This driver can also be built as a module.  If so, the module
908	  will be called i2c-mpc.
909
910config I2C_MT65XX
911	tristate "MediaTek I2C adapter"
912	depends on ARCH_MEDIATEK || COMPILE_TEST
913	help
914	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
915	  for MT65xx and MT81xx.
916	  If you want to use MediaTek(R) I2C interface, say Y or M here.
917	  If unsure, say N.
918
919config I2C_MT7621
920	tristate "MT7621/MT7628 I2C Controller"
921	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST
922	help
923	  Say Y here to include support for I2C controller in the
924	  MediaTek MT7621/MT7628 SoCs.
925
926config I2C_MV64XXX
927	tristate "Marvell mv64xxx I2C Controller"
928	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
929	help
930	  If you say yes to this option, support will be included for the
931	  built-in I2C interface on the Marvell 64xxx line of host bridges.
932	  This driver is also used for Allwinner SoCs I2C controllers.
933
934	  This driver can also be built as a module.  If so, the module
935	  will be called i2c-mv64xxx.
936
937config I2C_MXS
938	tristate "Freescale i.MX28 I2C interface"
939	depends on SOC_IMX28 || COMPILE_TEST
940	select STMP_DEVICE
941	help
942	  Say Y here if you want to use the I2C bus controller on
943	  the Freescale i.MX28 processors.
944
945	  This driver can also be built as a module.  If so, the module
946	  will be called i2c-mxs.
947
948config I2C_NOMADIK
949	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
950	depends on ARM_AMBA || COMPILE_TEST
951	help
952	  If you say yes to this option, support will be included for the
953	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
954	  as well as the STA2X11 PCIe I/O HUB.
955
956config I2C_NPCM
957	tristate "Nuvoton I2C Controller"
958	depends on ARCH_NPCM || COMPILE_TEST
959	help
960	  If you say yes to this option, support will be included for the
961	  Nuvoton I2C controller, which is available on the NPCM BMC
962	  controllers.
963	  Driver can also support slave mode (select I2C_SLAVE).
964
965config I2C_OCORES
966	tristate "OpenCores I2C Controller"
967	help
968	  If you say yes to this option, support will be included for the
969	  OpenCores I2C controller. For details see
970	  http://www.opencores.org/projects.cgi/web/i2c/overview
971
972	  This driver can also be built as a module.  If so, the module
973	  will be called i2c-ocores.
974
975config I2C_OMAP
976	tristate "OMAP I2C adapter"
977	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
978	default MACH_OMAP_OSK
979	select MULTIPLEXER
980	help
981	  If you say yes to this option, support will be included for the
982	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
983	  Like OMAP1510/1610/1710/5912 and OMAP242x.
984	  For details see http://www.ti.com/omap.
985
986config I2C_OWL
987	tristate "Actions Semiconductor Owl I2C Controller"
988	depends on ARCH_ACTIONS || COMPILE_TEST
989	help
990	  Say Y here if you want to use the I2C bus controller on
991	  the Actions Semiconductor Owl SoC's.
992
993config I2C_PASEMI
994	tristate "PA Semi SMBus interface"
995	depends on PPC_PASEMI && PCI
996	help
997	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
998
999config I2C_APPLE
1000	tristate "Apple SMBus platform driver"
1001	depends on !I2C_PASEMI
1002	depends on ARCH_APPLE || COMPILE_TEST
1003	help
1004	  Say Y here if you want to use the I2C controller present on Apple
1005	  Silicon chips such as the M1.
1006
1007	  This driver can also be built as a module. If so, the module
1008	  will be called i2c-apple.
1009
1010config I2C_PCA_PLATFORM
1011	tristate "PCA9564/PCA9665 as platform device"
1012	select I2C_ALGOPCA
1013	help
1014	  This driver supports a memory mapped Philips PCA9564/PCA9665
1015	  parallel bus to I2C bus controller.
1016
1017	  This driver can also be built as a module.  If so, the module
1018	  will be called i2c-pca-platform.
1019
1020config I2C_PNX
1021	tristate "I2C bus support for Philips PNX and NXP LPC targets"
1022	depends on ARCH_LPC32XX || COMPILE_TEST
1023	help
1024	  This driver supports the Philips IP3204 I2C IP block master and/or
1025	  slave controller
1026
1027	  This driver can also be built as a module.  If so, the module
1028	  will be called i2c-pnx.
1029
1030config I2C_PXA
1031	tristate "Intel PXA2XX I2C adapter"
1032	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
1033	help
1034	  If you have devices in the PXA I2C bus, say yes to this option.
1035	  This driver can also be built as a module.  If so, the module
1036	  will be called i2c-pxa.
1037
1038config I2C_PXA_PCI
1039	def_bool I2C_PXA && X86_32 && PCI && OF
1040
1041config I2C_PXA_SLAVE
1042	bool "Intel PXA2XX I2C Slave comms support"
1043	depends on I2C_PXA && !X86_32
1044	select I2C_SLAVE
1045	help
1046	  Support I2C slave mode communications on the PXA I2C bus.  This
1047	  is necessary for systems where the PXA may be a target on the
1048	  I2C bus.
1049
1050config I2C_QCOM_CCI
1051	tristate "Qualcomm Camera Control Interface"
1052	depends on ARCH_QCOM || COMPILE_TEST
1053	help
1054	  If you say yes to this option, support will be included for the
1055	  built-in camera control interface on the Qualcomm SoCs.
1056
1057	  This driver can also be built as a module.  If so, the module
1058	  will be called i2c-qcom-cci.
1059
1060config I2C_QCOM_GENI
1061	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
1062	depends on ARCH_QCOM || COMPILE_TEST
1063	depends on QCOM_GENI_SE
1064	help
1065	  This driver supports GENI serial engine based I2C controller in
1066	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
1067	  yes to this option, support will be included for the built-in I2C
1068	  interface on the Qualcomm Technologies Inc.'s SoCs.
1069
1070	  This driver can also be built as a module.  If so, the module
1071	  will be called i2c-qcom-geni.
1072
1073config I2C_QUP
1074	tristate "Qualcomm QUP based I2C controller"
1075	depends on ARCH_QCOM || COMPILE_TEST
1076	help
1077	  If you say yes to this option, support will be included for the
1078	  built-in I2C interface on the Qualcomm SoCs.
1079
1080	  This driver can also be built as a module.  If so, the module
1081	  will be called i2c-qup.
1082
1083config I2C_RIIC
1084	tristate "Renesas RIIC adapter"
1085	depends on ARCH_RENESAS || COMPILE_TEST
1086	help
1087	  If you say yes to this option, support will be included for the
1088	  Renesas RIIC I2C interface.
1089
1090	  This driver can also be built as a module.  If so, the module
1091	  will be called i2c-riic.
1092
1093config I2C_RK3X
1094	tristate "Rockchip RK3xxx I2C adapter"
1095	depends on OF && COMMON_CLK
1096	help
1097	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
1098	  SoCs.
1099
1100	  This driver can also be built as a module. If so, the module will
1101	  be called i2c-rk3x.
1102
1103config I2C_RTL9300
1104	tristate "Realtek RTL9300 I2C controller"
1105	depends on MACH_REALTEK_RTL || COMPILE_TEST
1106	help
1107	  Say Y here to include support for the I2C controller in Realtek
1108	  RTL9300 SoCs.
1109
1110	  This driver can also be built as a module. If so, the module will
1111	  be called i2c-rtl9300.
1112
1113config I2C_RZV2M
1114	tristate "Renesas RZ/V2M adapter"
1115	depends on ARCH_RENESAS || COMPILE_TEST
1116	help
1117	  If you say yes to this option, support will be included for the
1118	  Renesas RZ/V2M I2C interface.
1119
1120	  This driver can also be built as a module.  If so, the module
1121	  will be called i2c-rzv2m.
1122
1123config I2C_S3C2410
1124	tristate "S3C/Exynos I2C Driver"
1125	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
1126	help
1127	  Say Y here to include support for I2C controller in the
1128	  Samsung SoCs (S3C, S5Pv210, Exynos).
1129
1130config I2C_SH7760
1131	tristate "Renesas SH7760 I2C Controller"
1132	depends on CPU_SUBTYPE_SH7760
1133	help
1134	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
1135
1136	  This driver can also be built as a module.  If so, the module
1137	  will be called i2c-sh7760.
1138
1139config I2C_SH_MOBILE
1140	tristate "SuperH Mobile I2C Controller"
1141	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
1142	help
1143	  If you say yes to this option, support will be included for the
1144	  built-in I2C interface on the Renesas SH-Mobile processor.
1145
1146	  This driver can also be built as a module.  If so, the module
1147	  will be called i2c-sh_mobile.
1148
1149config I2C_SIMTEC
1150	tristate "Simtec Generic I2C interface"
1151	select I2C_ALGOBIT
1152	help
1153	  If you say yes to this option, support will be included for
1154	  the Simtec Generic I2C interface. This driver is for the
1155	  simple I2C bus used on newer Simtec products for general
1156	  I2C, such as DDC on the Simtec BBD2016A.
1157
1158	  This driver can also be built as a module. If so, the module
1159	  will be called i2c-simtec.
1160
1161config I2C_SPRD
1162	tristate "Spreadtrum I2C interface"
1163	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1164	depends on COMMON_CLK
1165	help
1166	  If you say yes to this option, support will be included for the
1167	  Spreadtrum I2C interface.
1168
1169config I2C_ST
1170	tristate "STMicroelectronics SSC I2C support"
1171	depends on ARCH_STI || COMPILE_TEST
1172	help
1173	  Enable this option to add support for STMicroelectronics SoCs
1174	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
1175
1176	  This driver can also be built as module. If so, the module
1177	  will be called i2c-st.
1178
1179config I2C_STM32F4
1180	tristate "STMicroelectronics STM32F4 I2C support"
1181	depends on ARCH_STM32 || COMPILE_TEST
1182	help
1183	  Enable this option to add support for STM32 I2C controller embedded
1184	  in STM32F4 SoCs.
1185
1186	  This driver can also be built as module. If so, the module
1187	  will be called i2c-stm32f4.
1188
1189config I2C_STM32F7
1190	tristate "STMicroelectronics STM32F7 I2C support"
1191	depends on ARCH_STM32 || COMPILE_TEST
1192	select I2C_SLAVE
1193	select I2C_SMBUS
1194	help
1195	  Enable this option to add support for STM32 I2C controller embedded
1196	  in STM32F7 SoCs.
1197
1198	  This driver can also be built as module. If so, the module
1199	  will be called i2c-stm32f7.
1200
1201config I2C_SUN6I_P2WI
1202	tristate "Allwinner sun6i internal P2WI controller"
1203	depends on RESET_CONTROLLER
1204	depends on MACH_SUN6I || COMPILE_TEST
1205	help
1206	  If you say yes to this option, support will be included for the
1207	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1208	  SOCs.
1209	  The P2WI looks like an SMBus controller (which supports only byte
1210	  accesses), except that it only supports one slave device.
1211	  This interface is used to connect to specific PMIC devices (like the
1212	  AXP221).
1213
1214config I2C_SYNQUACER
1215	tristate "Socionext SynQuacer I2C controller"
1216	depends on ARCH_SYNQUACER || COMPILE_TEST
1217	help
1218	  Say Y here to include support for the I2C controller used in some
1219	  Fujitsu and Socionext SoCs.
1220
1221	  This driver can also be built as a module. If so, the module
1222	  will be called i2c-synquacer.
1223
1224config I2C_TEGRA
1225	tristate "NVIDIA Tegra internal I2C controller"
1226	depends on ARCH_TEGRA || COMPILE_TEST
1227	depends on PINCTRL
1228	# ARCH_TEGRA implies PINCTRL, but the COMPILE_TEST side doesn't.
1229	help
1230	  If you say yes to this option, support will be included for the
1231	  I2C controller embedded in NVIDIA Tegra SOCs
1232
1233config I2C_TEGRA_BPMP
1234	tristate "NVIDIA Tegra BPMP I2C controller"
1235	depends on TEGRA_BPMP || COMPILE_TEST
1236	default y if TEGRA_BPMP
1237	help
1238	  If you say yes to this option, support will be included for the I2C
1239	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1240
1241	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1242	  of the BPMP firmware, and this driver merely communicates with that
1243	  real driver.
1244
1245config I2C_UNIPHIER
1246	tristate "UniPhier FIFO-less I2C controller"
1247	depends on ARCH_UNIPHIER || COMPILE_TEST
1248	help
1249	  If you say yes to this option, support will be included for
1250	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1251	  or older UniPhier SoCs.
1252
1253config I2C_UNIPHIER_F
1254	tristate "UniPhier FIFO-builtin I2C controller"
1255	depends on ARCH_UNIPHIER || COMPILE_TEST
1256	help
1257	  If you say yes to this option, support will be included for
1258	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1259	  PH1-Pro5, or newer UniPhier SoCs.
1260
1261config I2C_VERSATILE
1262	tristate "ARM Versatile/Realview I2C bus support"
1263	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1264	select I2C_ALGOBIT
1265	help
1266	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1267	  range of platforms.
1268
1269	  This driver can also be built as a module.  If so, the module
1270	  will be called i2c-versatile.
1271
1272config I2C_WMT
1273	tristate "Wondermedia WM8xxx SoC I2C bus support"
1274	depends on ARCH_VT8500 || COMPILE_TEST
1275	help
1276	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1277	  SoCs.
1278
1279	  This driver can also be built as a module. If so, the module will be
1280	  called i2c-wmt.
1281
1282config I2C_OCTEON
1283	tristate "Cavium OCTEON I2C bus support"
1284	depends on CAVIUM_OCTEON_SOC
1285	help
1286	  Say yes if you want to support the I2C serial bus on Cavium
1287	  OCTEON SOC.
1288
1289	  This driver can also be built as a module.  If so, the module
1290	  will be called i2c-octeon.
1291
1292config I2C_THUNDERX
1293	tristate "Cavium ThunderX I2C bus support"
1294	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1295	select I2C_SMBUS
1296	help
1297	  Say yes if you want to support the I2C serial bus on Cavium
1298	  ThunderX SOC.
1299
1300	  This driver can also be built as a module.  If so, the module
1301	  will be called i2c-thunderx.
1302
1303config I2C_XILINX
1304	tristate "Xilinx I2C Controller"
1305	depends on HAS_IOMEM
1306	help
1307	  If you say yes to this option, support will be included for the
1308	  Xilinx I2C controller.
1309
1310	  This driver can also be built as a module.  If so, the module
1311	  will be called xilinx_i2c.
1312
1313config I2C_XLP9XX
1314	tristate "Cavium ThunderX2 I2C support"
1315	depends on ARCH_THUNDER2 || COMPILE_TEST
1316	help
1317	  This driver enables support for the on-chip I2C interface of
1318	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1319
1320	  This driver can also be built as a module.  If so, the module will
1321	  be called i2c-xlp9xx.
1322
1323config I2C_RCAR
1324	tristate "Renesas R-Car I2C Controller"
1325	depends on ARCH_RENESAS || COMPILE_TEST
1326	select I2C_SLAVE
1327	select I2C_SMBUS
1328	select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4
1329	help
1330	  If you say yes to this option, support will be included for the
1331	  R-Car I2C controller.
1332
1333	  This driver can also be built as a module.  If so, the module
1334	  will be called i2c-rcar.
1335
1336comment "External I2C/SMBus adapter drivers"
1337
1338config I2C_DIOLAN_U2C
1339	tristate "Diolan U2C-12 USB adapter"
1340	depends on USB
1341	help
1342	  If you say yes to this option, support will be included for Diolan
1343	  U2C-12, a USB to I2C interface.
1344
1345	  This driver can also be built as a module.  If so, the module
1346	  will be called i2c-diolan-u2c.
1347
1348config I2C_DLN2
1349	tristate "Diolan DLN-2 USB I2C adapter"
1350	depends on MFD_DLN2
1351	help
1352	 If you say yes to this option, support will be included for Diolan
1353	 DLN2, a USB to I2C interface.
1354
1355	 This driver can also be built as a module.  If so, the module
1356	 will be called i2c-dln2.
1357
1358config I2C_LJCA
1359	tristate "I2C functionality of Intel La Jolla Cove Adapter"
1360	depends on USB_LJCA
1361	default USB_LJCA
1362	help
1363	  If you say yes to this option, I2C functionality support of Intel
1364	  La Jolla Cove Adapter (LJCA) will be included.
1365
1366	  This driver can also be built as a module.  If so, the module
1367	  will be called i2c-ljca.
1368
1369config I2C_NCT6694
1370	tristate "Nuvoton NCT6694 I2C adapter support"
1371	depends on MFD_NCT6694
1372	help
1373	  If you say yes to this option, support will be included for Nuvoton
1374	  NCT6694, a USB to I2C interface.
1375
1376	  This driver can also be built as a module. If so, the module will
1377	  be called i2c-nct6694.
1378
1379config I2C_USBIO
1380	tristate "Intel USBIO I2C Adapter support"
1381	depends on USB_USBIO
1382	default USB_USBIO
1383	help
1384	  Select this option to enable I2C driver for the INTEL
1385	  USBIO driver stack.
1386
1387	  This driver can also be built as a module.  If so, the module
1388	  will be called i2c_usbio.
1389
1390config I2C_CP2615
1391	tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1392	depends on USB
1393	help
1394	  If you say yes to this option, support will be included for Silicon
1395	  Labs CP2615's I2C interface.
1396
1397	  This driver can also be built as a module.  If so, the module
1398	  will be called i2c-cp2615.
1399
1400config I2C_PARPORT
1401	tristate "Parallel port adapter"
1402	depends on PARPORT
1403	select I2C_ALGOBIT
1404	select I2C_SMBUS
1405	help
1406	  This supports parallel port I2C adapters such as the ones made by
1407	  Philips or Velleman, Analog Devices evaluation boards, and more.
1408	  Basically any adapter using the parallel port as an I2C bus with
1409	  no extra chipset is supported by this driver, or could be. Please
1410	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
1411
1412	  This support is also available as a module.  If so, the module
1413	  will be called i2c-parport.
1414
1415config I2C_PCI1XXXX
1416	tristate "PCI1XXXX I2C Host Adapter"
1417	depends on PCI
1418	help
1419	  If you say yes to this option, support will be included for
1420	  Microchip PCI1XXXX's I2C interface.
1421
1422	  This driver can also be built as a module. If so, the module will
1423	  be called i2c-mchp-pci1xxxx.
1424
1425config I2C_ROBOTFUZZ_OSIF
1426	tristate "RobotFuzz Open Source InterFace USB adapter"
1427	depends on USB
1428	help
1429	  If you say yes to this option, support will be included for the
1430	  RobotFuzz Open Source InterFace USB to I2C interface.
1431
1432	  This driver can also be built as a module.  If so, the module
1433	  will be called i2c-osif.
1434
1435config I2C_TAOS_EVM
1436	tristate "TAOS evaluation module"
1437	depends on TTY
1438	select SERIO
1439	select SERIO_SERPORT
1440	help
1441	  This supports TAOS evaluation modules on serial port. In order to
1442	  use this driver, you will need the inputattach tool, which is part
1443	  of the input-utils package.
1444
1445	  If unsure, say N.
1446
1447	  This support is also available as a module.  If so, the module
1448	  will be called i2c-taos-evm.
1449
1450config I2C_TINY_USB
1451	tristate "Tiny-USB adapter"
1452	depends on USB
1453	help
1454	  If you say yes to this option, support will be included for the
1455	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1456	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1457
1458	  This driver can also be built as a module.  If so, the module
1459	  will be called i2c-tiny-usb.
1460
1461config I2C_VIPERBOARD
1462	tristate "Viperboard I2C master support"
1463	depends on MFD_VIPERBOARD && USB
1464	help
1465	  Say yes here to access the I2C part of the Nano River
1466	  Technologies Viperboard as I2C master.
1467	  See viperboard API specification and Nano
1468	  River Tech's viperboard.h for detailed meaning
1469	  of the module parameters.
1470
1471comment "Other I2C/SMBus bus drivers"
1472
1473config I2C_ACORN
1474	tristate "Acorn IOC/IOMD I2C bus support"
1475	depends on ARCH_ACORN
1476	default y
1477	select I2C_ALGOBIT
1478	help
1479	  Say yes if you want to support the I2C bus on Acorn platforms.
1480
1481	  If you don't know, say Y.
1482
1483config I2C_ELEKTOR
1484	tristate "Elektor ISA card"
1485	depends on ISA && HAS_IOPORT_MAP
1486	select I2C_ALGOPCF
1487	help
1488	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1489	  such an adapter.
1490
1491	  This support is also available as a module.  If so, the module
1492	  will be called i2c-elektor.
1493
1494config I2C_ICY
1495	tristate "ICY Zorro card"
1496	depends on ZORRO
1497	select I2C_ALGOPCF
1498	help
1499	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1500	  Say Y if you own such an adapter.
1501
1502	  This support is also available as a module.  If so, the module
1503	  will be called i2c-icy.
1504
1505	  If you have a 2019 edition board with an LTC2990 sensor at address
1506	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1507
1508config I2C_MLXCPLD
1509	tristate "Mellanox I2C driver"
1510	depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
1511	depends on HAS_IOPORT
1512	help
1513	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1514	  for X86 and ARM64/ACPI based systems.
1515	  Controller is implemented as CPLD logic.
1516
1517	  This driver can also be built as a module. If so, the module will be
1518	  called as i2c-mlxcpld.
1519
1520config I2C_PCA_ISA
1521	tristate "PCA9564/PCA9665 on an ISA bus"
1522	depends on ISA
1523	select I2C_ALGOPCA
1524	help
1525	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1526	  parallel bus to I2C bus controller.
1527
1528	  This driver can also be built as a module.  If so, the module
1529	  will be called i2c-pca-isa.
1530
1531	  This device is almost undetectable and using this driver on a
1532	  system which doesn't have this device will result in long
1533	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1534	  time).  If unsure, say N.
1535
1536config I2C_SIBYTE
1537	tristate "SiByte SMBus interface"
1538	depends on SIBYTE_SB1xxx_SOC
1539	help
1540	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1541
1542config I2C_CROS_EC_TUNNEL
1543	tristate "ChromeOS EC tunnel I2C bus"
1544	depends on CROS_EC
1545	help
1546	  If you say yes here you get an I2C bus that will tunnel i2c commands
1547	  through to the other side of the ChromeOS EC to the i2c bus
1548	  connected there. This will work whatever the interface used to
1549	  talk to the EC (SPI, I2C or LPC).
1550
1551config I2C_XGENE_SLIMPRO
1552	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1553	depends on ARCH_XGENE && MAILBOX
1554	help
1555	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1556	  co-processor. The I2C device access the I2C bus via the X-Gene
1557	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1558	  If unsure, say N.
1559
1560config SCx200_ACB
1561	tristate "Geode ACCESS.bus support"
1562	depends on X86_32 && PCI && HAS_IOPORT
1563	help
1564	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1565	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1566
1567	  If you don't know what to do here, say N.
1568
1569	  This support is also available as a module.  If so, the module
1570	  will be called scx200_acb.
1571
1572config I2C_OPAL
1573	tristate "IBM OPAL I2C driver"
1574	depends on PPC_POWERNV
1575	default y
1576	help
1577	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1578	  the driver is based on the OPAL interfaces.
1579
1580	  This driver can also be built as a module. If so, the module will be
1581	  called as i2c-opal.
1582
1583config I2C_FSI
1584	tristate "FSI I2C driver"
1585	depends on FSI
1586	help
1587	  Driver for FSI bus attached I2C masters. These are I2C masters that
1588	  are connected to the system over an FSI bus, instead of the more
1589	  common PCI or MMIO interface.
1590
1591	  This driver can also be built as a module. If so, the module will be
1592	  called as i2c-fsi.
1593
1594config I2C_VIRTIO
1595        tristate "Virtio I2C Adapter"
1596        select VIRTIO
1597        help
1598          If you say yes to this option, support will be included for the virtio
1599          I2C adapter driver. The hardware can be emulated by any device model
1600          software according to the virtio protocol.
1601
1602          This driver can also be built as a module. If so, the module
1603          will be called i2c-virtio.
1604
1605endmenu
1606