xref: /linux/drivers/i2c/busses/Kconfig (revision ec69c9e88315c4be70c283f18c2ff130da6320b5)
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, 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	help
798	  This option enables support for the I2C interface on the SpacemiT K1
799	  platform.
800
801	  If you enable this configuration, the kernel will include support for
802	  the I2C adapter specific to the SpacemiT K1 platform. This driver can
803	  be used to manage I2C bus transactions, which are necessary for
804	  interfacing with I2C peripherals such as sensors, EEPROMs, and other
805	  devices.
806
807	  This driver can also be built as a module.  If so, the
808	  module will be called `i2c-k1`.
809
810config I2C_KEBA
811	tristate "KEBA I2C controller support"
812	depends on HAS_IOMEM
813	depends on KEBA_CP500 || COMPILE_TEST
814	select AUXILIARY_BUS
815	help
816	  This driver supports the I2C controller found in KEBA system FPGA
817	  devices.
818
819	  This driver can also be built as a module. If so, the module
820	  will be called i2c-keba.
821
822config I2C_KEMPLD
823	tristate "Kontron COM I2C Controller"
824	depends on MFD_KEMPLD
825	help
826	  This enables support for the I2C bus interface on some Kontron ETX
827	  and COMexpress (ETXexpress) modules.
828
829	  This driver can also be built as a module. If so, the module
830	  will be called i2c-kempld.
831
832config I2C_LPC2K
833	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
834	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
835	help
836	  This driver supports the I2C interface found several NXP
837	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
838
839	  This driver can also be built as a module.  If so, the module
840	  will be called i2c-lpc2k.
841
842config I2C_LS2X
843	tristate "Loongson LS2X I2C adapter"
844	depends on MACH_LOONGSON64 || COMPILE_TEST
845	help
846	  If you say yes to this option, support will be included for the
847	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
848	  chip.
849
850	  This driver can also be built as a module. If so, the module
851	  will be called i2c-ls2x.
852
853config I2C_MLXBF
854        tristate "Mellanox BlueField I2C controller"
855        depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST
856	depends on ACPI
857	select I2C_SLAVE
858        help
859          Enabling this option will add I2C SMBus support for Mellanox BlueField
860          system.
861
862          This driver can also be built as a module. If so, the module will be
863          called i2c-mlxbf.
864
865          This driver implements an I2C SMBus host controller and enables both
866          master and slave functions.
867
868config I2C_MESON
869	tristate "Amlogic Meson I2C controller"
870	depends on ARCH_MESON || COMPILE_TEST
871	depends on COMMON_CLK
872	help
873	  If you say yes to this option, support will be included for the
874	  I2C interface on the Amlogic Meson family of SoCs.
875
876config I2C_MICROCHIP_CORE
877	tristate "Microchip FPGA I2C controller"
878	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
879	depends on OF
880	help
881	  If you say yes to this option, support will be included for the
882	  I2C interface on Microchip FPGAs.
883
884	  This driver can also be built as a module. If so, the module will be
885	  called i2c-microchip-core.
886
887config I2C_MPC
888	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
889	depends on PPC
890	help
891	  If you say yes to this option, support will be included for the
892	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
893	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
894
895	  This driver can also be built as a module.  If so, the module
896	  will be called i2c-mpc.
897
898config I2C_MT65XX
899	tristate "MediaTek I2C adapter"
900	depends on ARCH_MEDIATEK || COMPILE_TEST
901	help
902	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
903	  for MT65xx and MT81xx.
904	  If you want to use MediaTek(R) I2C interface, say Y or M here.
905	  If unsure, say N.
906
907config I2C_MT7621
908	tristate "MT7621/MT7628 I2C Controller"
909	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST
910	help
911	  Say Y here to include support for I2C controller in the
912	  MediaTek MT7621/MT7628 SoCs.
913
914config I2C_MV64XXX
915	tristate "Marvell mv64xxx I2C Controller"
916	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
917	help
918	  If you say yes to this option, support will be included for the
919	  built-in I2C interface on the Marvell 64xxx line of host bridges.
920	  This driver is also used for Allwinner SoCs I2C controllers.
921
922	  This driver can also be built as a module.  If so, the module
923	  will be called i2c-mv64xxx.
924
925config I2C_MXS
926	tristate "Freescale i.MX28 I2C interface"
927	depends on SOC_IMX28 || COMPILE_TEST
928	select STMP_DEVICE
929	help
930	  Say Y here if you want to use the I2C bus controller on
931	  the Freescale i.MX28 processors.
932
933	  This driver can also be built as a module.  If so, the module
934	  will be called i2c-mxs.
935
936config I2C_NOMADIK
937	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
938	depends on ARM_AMBA || COMPILE_TEST
939	help
940	  If you say yes to this option, support will be included for the
941	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
942	  as well as the STA2X11 PCIe I/O HUB.
943
944config I2C_NPCM
945	tristate "Nuvoton I2C Controller"
946	depends on ARCH_NPCM || COMPILE_TEST
947	help
948	  If you say yes to this option, support will be included for the
949	  Nuvoton I2C controller, which is available on the NPCM BMC
950	  controllers.
951	  Driver can also support slave mode (select I2C_SLAVE).
952
953config I2C_OCORES
954	tristate "OpenCores I2C Controller"
955	help
956	  If you say yes to this option, support will be included for the
957	  OpenCores I2C controller. For details see
958	  http://www.opencores.org/projects.cgi/web/i2c/overview
959
960	  This driver can also be built as a module.  If so, the module
961	  will be called i2c-ocores.
962
963config I2C_OMAP
964	tristate "OMAP I2C adapter"
965	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
966	default MACH_OMAP_OSK
967	select MULTIPLEXER
968	help
969	  If you say yes to this option, support will be included for the
970	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
971	  Like OMAP1510/1610/1710/5912 and OMAP242x.
972	  For details see http://www.ti.com/omap.
973
974config I2C_OWL
975	tristate "Actions Semiconductor Owl I2C Controller"
976	depends on ARCH_ACTIONS || COMPILE_TEST
977	help
978	  Say Y here if you want to use the I2C bus controller on
979	  the Actions Semiconductor Owl SoC's.
980
981config I2C_PASEMI
982	tristate "PA Semi SMBus interface"
983	depends on PPC_PASEMI && PCI
984	help
985	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
986
987config I2C_APPLE
988	tristate "Apple SMBus platform driver"
989	depends on !I2C_PASEMI
990	depends on ARCH_APPLE || COMPILE_TEST
991	help
992	  Say Y here if you want to use the I2C controller present on Apple
993	  Silicon chips such as the M1.
994
995	  This driver can also be built as a module. If so, the module
996	  will be called i2c-apple.
997
998config I2C_PCA_PLATFORM
999	tristate "PCA9564/PCA9665 as platform device"
1000	select I2C_ALGOPCA
1001	help
1002	  This driver supports a memory mapped Philips PCA9564/PCA9665
1003	  parallel bus to I2C bus controller.
1004
1005	  This driver can also be built as a module.  If so, the module
1006	  will be called i2c-pca-platform.
1007
1008config I2C_PNX
1009	tristate "I2C bus support for Philips PNX and NXP LPC targets"
1010	depends on ARCH_LPC32XX || COMPILE_TEST
1011	help
1012	  This driver supports the Philips IP3204 I2C IP block master and/or
1013	  slave controller
1014
1015	  This driver can also be built as a module.  If so, the module
1016	  will be called i2c-pnx.
1017
1018config I2C_PXA
1019	tristate "Intel PXA2XX I2C adapter"
1020	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
1021	help
1022	  If you have devices in the PXA I2C bus, say yes to this option.
1023	  This driver can also be built as a module.  If so, the module
1024	  will be called i2c-pxa.
1025
1026config I2C_PXA_PCI
1027	def_bool I2C_PXA && X86_32 && PCI && OF
1028
1029config I2C_PXA_SLAVE
1030	bool "Intel PXA2XX I2C Slave comms support"
1031	depends on I2C_PXA && !X86_32
1032	select I2C_SLAVE
1033	help
1034	  Support I2C slave mode communications on the PXA I2C bus.  This
1035	  is necessary for systems where the PXA may be a target on the
1036	  I2C bus.
1037
1038config I2C_QCOM_CCI
1039	tristate "Qualcomm Camera Control Interface"
1040	depends on ARCH_QCOM || COMPILE_TEST
1041	help
1042	  If you say yes to this option, support will be included for the
1043	  built-in camera control interface on the Qualcomm SoCs.
1044
1045	  This driver can also be built as a module.  If so, the module
1046	  will be called i2c-qcom-cci.
1047
1048config I2C_QCOM_GENI
1049	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
1050	depends on ARCH_QCOM || COMPILE_TEST
1051	depends on QCOM_GENI_SE
1052	help
1053	  This driver supports GENI serial engine based I2C controller in
1054	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
1055	  yes to this option, support will be included for the built-in I2C
1056	  interface on the Qualcomm Technologies Inc.'s SoCs.
1057
1058	  This driver can also be built as a module.  If so, the module
1059	  will be called i2c-qcom-geni.
1060
1061config I2C_QUP
1062	tristate "Qualcomm QUP based I2C controller"
1063	depends on ARCH_QCOM || COMPILE_TEST
1064	help
1065	  If you say yes to this option, support will be included for the
1066	  built-in I2C interface on the Qualcomm SoCs.
1067
1068	  This driver can also be built as a module.  If so, the module
1069	  will be called i2c-qup.
1070
1071config I2C_RIIC
1072	tristate "Renesas RIIC adapter"
1073	depends on ARCH_RENESAS || COMPILE_TEST
1074	help
1075	  If you say yes to this option, support will be included for the
1076	  Renesas RIIC I2C interface.
1077
1078	  This driver can also be built as a module.  If so, the module
1079	  will be called i2c-riic.
1080
1081config I2C_RK3X
1082	tristate "Rockchip RK3xxx I2C adapter"
1083	depends on OF && COMMON_CLK
1084	help
1085	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
1086	  SoCs.
1087
1088	  This driver can also be built as a module. If so, the module will
1089	  be called i2c-rk3x.
1090
1091config I2C_RTL9300
1092	tristate "Realtek RTL9300 I2C controller"
1093	depends on MACH_REALTEK_RTL || COMPILE_TEST
1094	help
1095	  Say Y here to include support for the I2C controller in Realtek
1096	  RTL9300 SoCs.
1097
1098	  This driver can also be built as a module. If so, the module will
1099	  be called i2c-rtl9300.
1100
1101config I2C_RZV2M
1102	tristate "Renesas RZ/V2M adapter"
1103	depends on ARCH_RENESAS || COMPILE_TEST
1104	help
1105	  If you say yes to this option, support will be included for the
1106	  Renesas RZ/V2M I2C interface.
1107
1108	  This driver can also be built as a module.  If so, the module
1109	  will be called i2c-rzv2m.
1110
1111config I2C_S3C2410
1112	tristate "S3C/Exynos I2C Driver"
1113	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
1114	help
1115	  Say Y here to include support for I2C controller in the
1116	  Samsung SoCs (S3C, S5Pv210, Exynos).
1117
1118config I2C_SH7760
1119	tristate "Renesas SH7760 I2C Controller"
1120	depends on CPU_SUBTYPE_SH7760
1121	help
1122	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
1123
1124	  This driver can also be built as a module.  If so, the module
1125	  will be called i2c-sh7760.
1126
1127config I2C_SH_MOBILE
1128	tristate "SuperH Mobile I2C Controller"
1129	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
1130	help
1131	  If you say yes to this option, support will be included for the
1132	  built-in I2C interface on the Renesas SH-Mobile processor.
1133
1134	  This driver can also be built as a module.  If so, the module
1135	  will be called i2c-sh_mobile.
1136
1137config I2C_SIMTEC
1138	tristate "Simtec Generic I2C interface"
1139	select I2C_ALGOBIT
1140	help
1141	  If you say yes to this option, support will be included for
1142	  the Simtec Generic I2C interface. This driver is for the
1143	  simple I2C bus used on newer Simtec products for general
1144	  I2C, such as DDC on the Simtec BBD2016A.
1145
1146	  This driver can also be built as a module. If so, the module
1147	  will be called i2c-simtec.
1148
1149config I2C_SPRD
1150	tristate "Spreadtrum I2C interface"
1151	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1152	depends on COMMON_CLK
1153	help
1154	  If you say yes to this option, support will be included for the
1155	  Spreadtrum I2C interface.
1156
1157config I2C_ST
1158	tristate "STMicroelectronics SSC I2C support"
1159	depends on ARCH_STI || COMPILE_TEST
1160	help
1161	  Enable this option to add support for STMicroelectronics SoCs
1162	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
1163
1164	  This driver can also be built as module. If so, the module
1165	  will be called i2c-st.
1166
1167config I2C_STM32F4
1168	tristate "STMicroelectronics STM32F4 I2C support"
1169	depends on ARCH_STM32 || COMPILE_TEST
1170	help
1171	  Enable this option to add support for STM32 I2C controller embedded
1172	  in STM32F4 SoCs.
1173
1174	  This driver can also be built as module. If so, the module
1175	  will be called i2c-stm32f4.
1176
1177config I2C_STM32F7
1178	tristate "STMicroelectronics STM32F7 I2C support"
1179	depends on ARCH_STM32 || COMPILE_TEST
1180	select I2C_SLAVE
1181	select I2C_SMBUS
1182	help
1183	  Enable this option to add support for STM32 I2C controller embedded
1184	  in STM32F7 SoCs.
1185
1186	  This driver can also be built as module. If so, the module
1187	  will be called i2c-stm32f7.
1188
1189config I2C_SUN6I_P2WI
1190	tristate "Allwinner sun6i internal P2WI controller"
1191	depends on RESET_CONTROLLER
1192	depends on MACH_SUN6I || COMPILE_TEST
1193	help
1194	  If you say yes to this option, support will be included for the
1195	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1196	  SOCs.
1197	  The P2WI looks like an SMBus controller (which supports only byte
1198	  accesses), except that it only supports one slave device.
1199	  This interface is used to connect to specific PMIC devices (like the
1200	  AXP221).
1201
1202config I2C_SYNQUACER
1203	tristate "Socionext SynQuacer I2C controller"
1204	depends on ARCH_SYNQUACER || COMPILE_TEST
1205	help
1206	  Say Y here to include support for the I2C controller used in some
1207	  Fujitsu and Socionext SoCs.
1208
1209	  This driver can also be built as a module. If so, the module
1210	  will be called i2c-synquacer.
1211
1212config I2C_TEGRA
1213	tristate "NVIDIA Tegra internal I2C controller"
1214	depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
1215	# COMPILE_TEST needs architectures with readsX()/writesX() primitives
1216	depends on PINCTRL
1217	# ARCH_TEGRA implies PINCTRL, but the COMPILE_TEST side doesn't.
1218	help
1219	  If you say yes to this option, support will be included for the
1220	  I2C controller embedded in NVIDIA Tegra SOCs
1221
1222config I2C_TEGRA_BPMP
1223	tristate "NVIDIA Tegra BPMP I2C controller"
1224	depends on TEGRA_BPMP || COMPILE_TEST
1225	default y if TEGRA_BPMP
1226	help
1227	  If you say yes to this option, support will be included for the I2C
1228	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1229
1230	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1231	  of the BPMP firmware, and this driver merely communicates with that
1232	  real driver.
1233
1234config I2C_UNIPHIER
1235	tristate "UniPhier FIFO-less I2C controller"
1236	depends on ARCH_UNIPHIER || COMPILE_TEST
1237	help
1238	  If you say yes to this option, support will be included for
1239	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1240	  or older UniPhier SoCs.
1241
1242config I2C_UNIPHIER_F
1243	tristate "UniPhier FIFO-builtin I2C controller"
1244	depends on ARCH_UNIPHIER || COMPILE_TEST
1245	help
1246	  If you say yes to this option, support will be included for
1247	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1248	  PH1-Pro5, or newer UniPhier SoCs.
1249
1250config I2C_VERSATILE
1251	tristate "ARM Versatile/Realview I2C bus support"
1252	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1253	select I2C_ALGOBIT
1254	help
1255	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1256	  range of platforms.
1257
1258	  This driver can also be built as a module.  If so, the module
1259	  will be called i2c-versatile.
1260
1261config I2C_WMT
1262	tristate "Wondermedia WM8xxx SoC I2C bus support"
1263	depends on ARCH_VT8500 || COMPILE_TEST
1264	help
1265	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1266	  SoCs.
1267
1268	  This driver can also be built as a module. If so, the module will be
1269	  called i2c-wmt.
1270
1271config I2C_OCTEON
1272	tristate "Cavium OCTEON I2C bus support"
1273	depends on CAVIUM_OCTEON_SOC
1274	help
1275	  Say yes if you want to support the I2C serial bus on Cavium
1276	  OCTEON SOC.
1277
1278	  This driver can also be built as a module.  If so, the module
1279	  will be called i2c-octeon.
1280
1281config I2C_THUNDERX
1282	tristate "Cavium ThunderX I2C bus support"
1283	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1284	select I2C_SMBUS
1285	help
1286	  Say yes if you want to support the I2C serial bus on Cavium
1287	  ThunderX SOC.
1288
1289	  This driver can also be built as a module.  If so, the module
1290	  will be called i2c-thunderx.
1291
1292config I2C_XILINX
1293	tristate "Xilinx I2C Controller"
1294	depends on HAS_IOMEM
1295	help
1296	  If you say yes to this option, support will be included for the
1297	  Xilinx I2C controller.
1298
1299	  This driver can also be built as a module.  If so, the module
1300	  will be called xilinx_i2c.
1301
1302config I2C_XLP9XX
1303	tristate "Cavium ThunderX2 I2C support"
1304	depends on ARCH_THUNDER2 || COMPILE_TEST
1305	help
1306	  This driver enables support for the on-chip I2C interface of
1307	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1308
1309	  This driver can also be built as a module.  If so, the module will
1310	  be called i2c-xlp9xx.
1311
1312config I2C_RCAR
1313	tristate "Renesas R-Car I2C Controller"
1314	depends on ARCH_RENESAS || COMPILE_TEST
1315	select I2C_SLAVE
1316	select I2C_SMBUS
1317	select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4
1318	help
1319	  If you say yes to this option, support will be included for the
1320	  R-Car I2C controller.
1321
1322	  This driver can also be built as a module.  If so, the module
1323	  will be called i2c-rcar.
1324
1325comment "External I2C/SMBus adapter drivers"
1326
1327config I2C_DIOLAN_U2C
1328	tristate "Diolan U2C-12 USB adapter"
1329	depends on USB
1330	help
1331	  If you say yes to this option, support will be included for Diolan
1332	  U2C-12, a USB to I2C interface.
1333
1334	  This driver can also be built as a module.  If so, the module
1335	  will be called i2c-diolan-u2c.
1336
1337config I2C_DLN2
1338	tristate "Diolan DLN-2 USB I2C adapter"
1339	depends on MFD_DLN2
1340	help
1341	 If you say yes to this option, support will be included for Diolan
1342	 DLN2, a USB to I2C interface.
1343
1344	 This driver can also be built as a module.  If so, the module
1345	 will be called i2c-dln2.
1346
1347config I2C_LJCA
1348	tristate "I2C functionality of Intel La Jolla Cove Adapter"
1349	depends on USB_LJCA
1350	default USB_LJCA
1351	help
1352	  If you say yes to this option, I2C functionality support of Intel
1353	  La Jolla Cove Adapter (LJCA) will be included.
1354
1355	  This driver can also be built as a module.  If so, the module
1356	  will be called i2c-ljca.
1357
1358config I2C_NCT6694
1359	tristate "Nuvoton NCT6694 I2C adapter support"
1360	depends on MFD_NCT6694
1361	help
1362	  If you say yes to this option, support will be included for Nuvoton
1363	  NCT6694, a USB to I2C interface.
1364
1365	  This driver can also be built as a module. If so, the module will
1366	  be called i2c-nct6694.
1367
1368config I2C_USBIO
1369	tristate "Intel USBIO I2C Adapter support"
1370	depends on USB_USBIO
1371	default USB_USBIO
1372	help
1373	  Select this option to enable I2C driver for the INTEL
1374	  USBIO driver stack.
1375
1376	  This driver can also be built as a module.  If so, the module
1377	  will be called i2c_usbio.
1378
1379config I2C_CP2615
1380	tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1381	depends on USB
1382	help
1383	  If you say yes to this option, support will be included for Silicon
1384	  Labs CP2615's I2C interface.
1385
1386	  This driver can also be built as a module.  If so, the module
1387	  will be called i2c-cp2615.
1388
1389config I2C_PARPORT
1390	tristate "Parallel port adapter"
1391	depends on PARPORT
1392	select I2C_ALGOBIT
1393	select I2C_SMBUS
1394	help
1395	  This supports parallel port I2C adapters such as the ones made by
1396	  Philips or Velleman, Analog Devices evaluation boards, and more.
1397	  Basically any adapter using the parallel port as an I2C bus with
1398	  no extra chipset is supported by this driver, or could be. Please
1399	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
1400
1401	  This support is also available as a module.  If so, the module
1402	  will be called i2c-parport.
1403
1404config I2C_PCI1XXXX
1405	tristate "PCI1XXXX I2C Host Adapter"
1406	depends on PCI
1407	help
1408	  If you say yes to this option, support will be included for
1409	  Microchip PCI1XXXX's I2C interface.
1410
1411	  This driver can also be built as a module. If so, the module will
1412	  be called i2c-mchp-pci1xxxx.
1413
1414config I2C_ROBOTFUZZ_OSIF
1415	tristate "RobotFuzz Open Source InterFace USB adapter"
1416	depends on USB
1417	help
1418	  If you say yes to this option, support will be included for the
1419	  RobotFuzz Open Source InterFace USB to I2C interface.
1420
1421	  This driver can also be built as a module.  If so, the module
1422	  will be called i2c-osif.
1423
1424config I2C_TAOS_EVM
1425	tristate "TAOS evaluation module"
1426	depends on TTY
1427	select SERIO
1428	select SERIO_SERPORT
1429	help
1430	  This supports TAOS evaluation modules on serial port. In order to
1431	  use this driver, you will need the inputattach tool, which is part
1432	  of the input-utils package.
1433
1434	  If unsure, say N.
1435
1436	  This support is also available as a module.  If so, the module
1437	  will be called i2c-taos-evm.
1438
1439config I2C_TINY_USB
1440	tristate "Tiny-USB adapter"
1441	depends on USB
1442	help
1443	  If you say yes to this option, support will be included for the
1444	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1445	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1446
1447	  This driver can also be built as a module.  If so, the module
1448	  will be called i2c-tiny-usb.
1449
1450config I2C_VIPERBOARD
1451	tristate "Viperboard I2C master support"
1452	depends on MFD_VIPERBOARD && USB
1453	help
1454	  Say yes here to access the I2C part of the Nano River
1455	  Technologies Viperboard as I2C master.
1456	  See viperboard API specification and Nano
1457	  River Tech's viperboard.h for detailed meaning
1458	  of the module parameters.
1459
1460comment "Other I2C/SMBus bus drivers"
1461
1462config I2C_ACORN
1463	tristate "Acorn IOC/IOMD I2C bus support"
1464	depends on ARCH_ACORN
1465	default y
1466	select I2C_ALGOBIT
1467	help
1468	  Say yes if you want to support the I2C bus on Acorn platforms.
1469
1470	  If you don't know, say Y.
1471
1472config I2C_ELEKTOR
1473	tristate "Elektor ISA card"
1474	depends on ISA && HAS_IOPORT_MAP
1475	select I2C_ALGOPCF
1476	help
1477	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1478	  such an adapter.
1479
1480	  This support is also available as a module.  If so, the module
1481	  will be called i2c-elektor.
1482
1483config I2C_ICY
1484	tristate "ICY Zorro card"
1485	depends on ZORRO
1486	select I2C_ALGOPCF
1487	help
1488	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1489	  Say Y if you own such an adapter.
1490
1491	  This support is also available as a module.  If so, the module
1492	  will be called i2c-icy.
1493
1494	  If you have a 2019 edition board with an LTC2990 sensor at address
1495	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1496
1497config I2C_MLXCPLD
1498	tristate "Mellanox I2C driver"
1499	depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
1500	depends on HAS_IOPORT
1501	help
1502	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1503	  for X86 and ARM64/ACPI based systems.
1504	  Controller is implemented as CPLD logic.
1505
1506	  This driver can also be built as a module. If so, the module will be
1507	  called as i2c-mlxcpld.
1508
1509config I2C_PCA_ISA
1510	tristate "PCA9564/PCA9665 on an ISA bus"
1511	depends on ISA
1512	select I2C_ALGOPCA
1513	help
1514	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1515	  parallel bus to I2C bus controller.
1516
1517	  This driver can also be built as a module.  If so, the module
1518	  will be called i2c-pca-isa.
1519
1520	  This device is almost undetectable and using this driver on a
1521	  system which doesn't have this device will result in long
1522	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1523	  time).  If unsure, say N.
1524
1525config I2C_SIBYTE
1526	tristate "SiByte SMBus interface"
1527	depends on SIBYTE_SB1xxx_SOC
1528	help
1529	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1530
1531config I2C_CROS_EC_TUNNEL
1532	tristate "ChromeOS EC tunnel I2C bus"
1533	depends on CROS_EC
1534	help
1535	  If you say yes here you get an I2C bus that will tunnel i2c commands
1536	  through to the other side of the ChromeOS EC to the i2c bus
1537	  connected there. This will work whatever the interface used to
1538	  talk to the EC (SPI, I2C or LPC).
1539
1540config I2C_XGENE_SLIMPRO
1541	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1542	depends on ARCH_XGENE && MAILBOX
1543	help
1544	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1545	  co-processor. The I2C device access the I2C bus via the X-Gene
1546	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1547	  If unsure, say N.
1548
1549config SCx200_ACB
1550	tristate "Geode ACCESS.bus support"
1551	depends on X86_32 && PCI && HAS_IOPORT
1552	help
1553	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1554	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1555
1556	  If you don't know what to do here, say N.
1557
1558	  This support is also available as a module.  If so, the module
1559	  will be called scx200_acb.
1560
1561config I2C_OPAL
1562	tristate "IBM OPAL I2C driver"
1563	depends on PPC_POWERNV
1564	default y
1565	help
1566	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1567	  the driver is based on the OPAL interfaces.
1568
1569	  This driver can also be built as a module. If so, the module will be
1570	  called as i2c-opal.
1571
1572config I2C_FSI
1573	tristate "FSI I2C driver"
1574	depends on FSI
1575	help
1576	  Driver for FSI bus attached I2C masters. These are I2C masters that
1577	  are connected to the system over an FSI bus, instead of the more
1578	  common PCI or MMIO interface.
1579
1580	  This driver can also be built as a module. If so, the module will be
1581	  called as i2c-fsi.
1582
1583config I2C_VIRTIO
1584        tristate "Virtio I2C Adapter"
1585        select VIRTIO
1586        help
1587          If you say yes to this option, support will be included for the virtio
1588          I2C adapter driver. The hardware can be emulated by any device model
1589          software according to the virtio protocol.
1590
1591          This driver can also be built as a module. If so, the module
1592          will be called i2c-virtio.
1593
1594endmenu
1595