xref: /linux/drivers/i2c/busses/Kconfig (revision 883e3c9f40814377a239ca0becbcc77deab5ffe5)
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
169	  This driver can also be built as a module.  If so, the module
170	  will be called i2c-i801.
171
172config I2C_I801_MUX
173	def_bool I2C_I801
174	depends on DMI && I2C_MUX_GPIO
175	depends on !(I2C_I801=y && I2C_MUX=m)
176	help
177	  Optional support for multiplexed SMBUS on certain systems with
178	  more than 8 memory slots.
179
180config I2C_ISCH
181	tristate "Intel SCH SMBus 1.0"
182	depends on PCI && HAS_IOPORT
183	select LPC_SCH
184	help
185	  Say Y here if you want to use SMBus controller on the Intel SCH
186	  based systems.
187
188	  This driver can also be built as a module. If so, the module
189	  will be called i2c-isch.
190
191config I2C_ISMT
192	tristate "Intel iSMT SMBus Controller"
193	depends on PCI && X86
194	help
195	  If you say yes to this option, support will be included for the Intel
196	  iSMT SMBus host controller interface.
197
198	  This driver can also be built as a module.  If so, the module will be
199	  called i2c-ismt.
200
201config I2C_PIIX4
202	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
203	depends on PCI && HAS_IOPORT && X86
204	select I2C_SMBUS
205	help
206	  If you say yes to this option, support will be included for the Intel
207	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
208	  versions of the chipset are supported (note that Serverworks is part
209	  of Broadcom):
210	    Intel PIIX4
211	    Intel 440MX
212	    ATI IXP200
213	    ATI IXP300
214	    ATI IXP400
215	    ATI SB600
216	    ATI SB700/SP5100
217	    ATI SB800
218	    AMD Hudson-2
219	    AMD ML
220	    AMD CZ
221	    Hygon CZ
222	    Serverworks OSB4
223	    Serverworks CSB5
224	    Serverworks CSB6
225	    Serverworks HT-1000
226	    Serverworks HT-1100
227	    SMSC Victory66
228
229	  Some AMD chipsets contain two PIIX4-compatible SMBus
230	  controllers. This driver will attempt to use both controllers
231	  on the SB700/SP5100, if they have been initialized by the BIOS.
232
233	  This driver can also be built as a module.  If so, the module
234	  will be called i2c-piix4.
235
236config I2C_CHT_WC
237	tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
238	depends on INTEL_SOC_PMIC_CHTWC
239	help
240	  If you say yes to this option, support will be included for the
241	  SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
242	  found on some Intel Cherry Trail systems.
243
244	  Note this controller is hooked up to a TI bq24292i charger-IC,
245	  combined with a FUSB302 Type-C port-controller as such it is advised
246	  to also select CONFIG_TYPEC_FUSB302=m.
247
248config I2C_NFORCE2
249	tristate "Nvidia nForce2, nForce3 and nForce4"
250	depends on PCI && HAS_IOPORT
251	help
252	  If you say yes to this option, support will be included for the Nvidia
253	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
254
255	  This driver can also be built as a module.  If so, the module
256	  will be called i2c-nforce2.
257
258config I2C_NVIDIA_GPU
259	tristate "NVIDIA GPU I2C controller"
260	depends on PCI
261	select I2C_CCGX_UCSI
262	help
263	  If you say yes to this option, support will be included for the
264	  NVIDIA GPU I2C controller which is used to communicate with the GPU's
265	  Type-C controller. This driver can also be built as a module called
266	  i2c-nvidia-gpu.
267
268config I2C_SIS5595
269	tristate "SiS 5595"
270	depends on PCI && HAS_IOPORT
271	help
272	  If you say yes to this option, support will be included for the
273	  SiS5595 SMBus (a subset of I2C) interface.
274
275	  This driver can also be built as a module.  If so, the module
276	  will be called i2c-sis5595.
277
278config I2C_SIS630
279	tristate "SiS 630/730/964"
280	depends on PCI && HAS_IOPORT
281	help
282	  If you say yes to this option, support will be included for the
283	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
284
285	  This driver can also be built as a module.  If so, the module
286	  will be called i2c-sis630.
287
288config I2C_SIS96X
289	tristate "SiS 96x"
290	depends on PCI && HAS_IOPORT
291	help
292	  If you say yes to this option, support will be included for the SiS
293	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
294	  chipsets are supported:
295	    645/961
296	    645DX/961
297	    645DX/962
298	    648/961
299	    650/961
300	    735
301	    745
302
303	  This driver can also be built as a module.  If so, the module
304	  will be called i2c-sis96x.
305
306config I2C_VIA
307	tristate "VIA VT82C586B"
308	depends on PCI && HAS_IOPORT
309	select I2C_ALGOBIT
310	help
311	  If you say yes to this option, support will be included for the VIA
312	  82C586B I2C interface
313
314	  This driver can also be built as a module.  If so, the module
315	  will be called i2c-via.
316
317config I2C_VIAPRO
318	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
319	depends on PCI && HAS_IOPORT
320	help
321	  If you say yes to this option, support will be included for the VIA
322	  VT82C596 and later SMBus interface.  Specifically, the following
323	  chipsets are supported:
324	    VT82C596A/B
325	    VT82C686A/B
326	    VT8231
327	    VT8233/A
328	    VT8235
329	    VT8237R/A/S
330	    VT8251
331	    CX700
332	    VX800/VX820
333	    VX855/VX875
334	    VX900
335
336	  This driver can also be built as a module.  If so, the module
337	  will be called i2c-viapro.
338
339if ACPI
340
341config I2C_ZHAOXIN
342	tristate "Zhaoxin I2C Interface"
343	depends on PCI || COMPILE_TEST
344	help
345	  If you say yes to this option, support will be included for the
346	  ZHAOXIN I2C interface
347
348	  This driver can also be built as a module. If so, the module
349	  will be called i2c-zhaoxin.
350
351comment "ACPI drivers"
352
353config I2C_SCMI
354	tristate "SMBus Control Method Interface"
355	help
356	  This driver supports the SMBus Control Method Interface. It needs the
357	  BIOS to declare ACPI control methods as described in the SMBus Control
358	  Method Interface specification.
359
360	  To compile this driver as a module, choose M here:
361	  the module will be called i2c-scmi.
362
363endif # ACPI
364
365comment "Mac SMBus host controller drivers"
366	depends on PPC_CHRP || PPC_PMAC
367
368config I2C_HYDRA
369	tristate "CHRP Apple Hydra Mac I/O I2C interface"
370	depends on PCI && PPC_CHRP
371	select I2C_ALGOBIT
372	help
373	  This supports the use of the I2C interface in the Apple Hydra Mac
374	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
375	  have such a machine.
376
377	  This support is also available as a module.  If so, the module
378	  will be called i2c-hydra.
379
380config I2C_POWERMAC
381	tristate "Powermac I2C interface"
382	depends on PPC_PMAC
383	default y
384	help
385	  This exposes the various PowerMac i2c interfaces to the linux i2c
386	  layer and to userland. It is used by various drivers on the PowerMac
387	  platform, and should generally be enabled.
388
389	  This support is also available as a module.  If so, the module
390	  will be called i2c-powermac.
391
392comment "I2C system bus drivers (mostly embedded / system-on-chip)"
393
394config I2C_ALTERA
395	tristate "Altera Soft IP I2C"
396	depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
397	depends on OF
398	help
399	  If you say yes to this option, support will be included for the
400	  Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
401
402	  This driver can also be built as a module.  If so, the module
403	  will be called i2c-altera.
404
405config I2C_ASPEED
406	tristate "Aspeed I2C Controller"
407	depends on ARCH_ASPEED || COMPILE_TEST
408	help
409	  If you say yes to this option, support will be included for the
410	  Aspeed I2C controller.
411
412	  This driver can also be built as a module.  If so, the module
413	  will be called i2c-aspeed.
414
415config I2C_AT91
416	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
417	depends on ARCH_AT91 || COMPILE_TEST
418	help
419	  This supports the use of the I2C interface on Atmel AT91
420	  processors.
421
422	  A serious problem is that there is no documented way to issue
423	  repeated START conditions for more than two messages, as needed
424	  to support combined I2C messages.  Use the i2c-gpio driver
425	  unless your system can cope with this limitation.
426
427	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
428	  don't have clock stretching in transmission mode. For that reason,
429	  you can encounter underrun issues causing premature stop sendings if
430	  the latency to fill the transmission register is too long. If you
431	  are facing this situation, use the i2c-gpio driver.
432
433config I2C_AT91_SLAVE_EXPERIMENTAL
434	bool "Microchip AT91 I2C experimental slave mode"
435	depends on I2C_AT91
436	select I2C_SLAVE
437	help
438	  If you say yes to this option, support for the slave mode will be
439	  added. Caution: do not use it for production. This feature has not
440	  been tested in a heavy way, help wanted.
441	  There are known bugs:
442	    - It can hang, on a SAMA5D4, after several transfers.
443	    - There are some mismatches with a SAMA5D4 as slave and a SAMA5D2 as
444	    master.
445
446config I2C_AU1550
447	tristate "Au1550/Au1200/Au1300 SMBus interface"
448	depends on MIPS_ALCHEMY
449	help
450	  If you say yes to this option, support will be included for the
451	  Au1550/Au1200/Au1300 SMBus interface.
452
453	  This driver can also be built as a module.  If so, the module
454	  will be called i2c-au1550.
455
456config I2C_AXXIA
457	tristate "Axxia I2C controller"
458	depends on ARCH_AXXIA || COMPILE_TEST
459	default ARCH_AXXIA
460	select I2C_SLAVE
461	help
462	  Say yes if you want to support the I2C bus on Axxia platforms.
463
464	  Please note that this controller is limited to transfers of maximum
465	  255 bytes in length. Any attempt to to a larger transfer will return
466	  an error.
467
468config I2C_BCM2835
469	tristate "Broadcom BCM2835 I2C controller"
470	depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
471	depends on COMMON_CLK
472	help
473	  If you say yes to this option, support will be included for the
474	  BCM2835 I2C controller.
475
476	  If you don't know what to do here, say N.
477
478	  This support is also available as a module.  If so, the module
479	  will be called i2c-bcm2835.
480
481config I2C_BCM_IPROC
482	tristate "Broadcom iProc I2C controller"
483	depends on ARCH_BCM_IPROC || COMPILE_TEST
484	default ARCH_BCM_IPROC
485	select I2C_SLAVE
486	help
487	  If you say yes to this option, support will be included for the
488	  Broadcom iProc I2C controller.
489
490	  If you don't know what to do here, say N.
491
492config I2C_BCM_KONA
493	tristate "BCM Kona I2C adapter"
494	depends on ARCH_BCM_MOBILE || COMPILE_TEST
495	default y if ARCH_BCM_MOBILE
496	help
497	  If you say yes to this option, support will be included for the
498	  I2C interface on the Broadcom Kona family of processors.
499
500	  If you do not need KONA I2C interface, say N.
501
502config I2C_BRCMSTB
503	tristate "BRCM Settop/DSL I2C controller"
504	depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \
505		   BMIPS_GENERIC || COMPILE_TEST
506	default ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC
507	help
508	  If you say yes to this option, support will be included for the
509	  I2C interface on the Broadcom Settop/DSL SoCs.
510
511	  If you do not need I2C interface, say N.
512
513config I2C_CADENCE
514	tristate "Cadence I2C Controller"
515	depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST
516	help
517	  Say yes here to select Cadence I2C Host Controller. This controller is
518	  e.g. used by Xilinx Zynq.
519
520config I2C_CBUS_GPIO
521	tristate "CBUS I2C driver"
522	depends on GPIOLIB || COMPILE_TEST
523	help
524	  Support for CBUS access using I2C API. Mostly relevant for Nokia
525	  Internet Tablets (770, N800 and N810).
526
527	  This driver can also be built as a module.  If so, the module
528	  will be called i2c-cbus-gpio.
529
530config I2C_CGBC
531	tristate "Congatec I2C Controller"
532	depends on MFD_CGBC
533	help
534	  This driver supports the 2 I2C interfaces on the Congatec Board
535	  Controller.
536
537	  This driver can also be built as a module. If so, the module will
538	  be called i2c-cgbc.ko.
539
540config I2C_CPM
541	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
542	depends on CPM1 || CPM2
543	help
544	  This supports the use of the I2C interface on Freescale
545	  processors with CPM1 or CPM2.
546
547	  This driver can also be built as a module.  If so, the module
548	  will be called i2c-cpm.
549
550config I2C_DAVINCI
551	tristate "DaVinci I2C driver"
552	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
553	help
554	  Support for TI DaVinci I2C controller driver.
555
556	  This driver can also be built as a module.  If so, the module
557	  will be called i2c-davinci.
558
559	  Please note that this driver might be needed to bring up other
560	  devices such as DaVinci NIC.
561	  For details please see http://www.ti.com/davinci
562
563config I2C_DESIGNWARE_CORE
564	tristate "Synopsys DesignWare I2C adapter"
565	select REGMAP
566	help
567	  This option enables support for the Synopsys DesignWare I2C adapter.
568	  This driver includes support for the I2C host on the Synopsys
569	  Designware I2C adapter.
570
571	  To compile the driver as a module, choose M here: the module will be
572	  called i2c-designware-core.
573
574if I2C_DESIGNWARE_CORE
575
576config I2C_DESIGNWARE_SLAVE
577	bool "Synopsys DesignWare Slave"
578	select I2C_SLAVE
579	help
580	  If you say yes to this option, support will be included for the
581	  Synopsys DesignWare I2C slave adapter.
582
583config I2C_DESIGNWARE_PLATFORM
584	tristate "Synopsys DesignWare Platform driver"
585	depends on (ACPI && COMMON_CLK) || !ACPI
586	select MFD_SYSCON if MIPS_BAIKAL_T1
587	default I2C_DESIGNWARE_CORE
588	help
589	  If you say yes to this option, support will be included for the
590	  Synopsys DesignWare I2C adapters on the platform bus.
591
592	  This driver can also be built as a module.  If so, the module
593	  will be called i2c-designware-platform.
594
595config I2C_DESIGNWARE_AMDISP
596	tristate "Synopsys DesignWare Platform for AMDISP"
597	depends on DRM_AMD_ISP || COMPILE_TEST
598	depends on I2C_DESIGNWARE_CORE
599	help
600	  If you say yes to this option, support will be included for the
601	  AMDISP Synopsys DesignWare I2C adapter.
602
603	  This driver can also be built as a module.  If so, the module
604	  will be called amd_isp_i2c_designware.
605
606config I2C_DESIGNWARE_AMDPSP
607	bool "AMD PSP I2C semaphore support"
608	depends on ACPI
609	depends on CRYPTO_DEV_SP_PSP
610	depends on PCI
611	depends on I2C_DESIGNWARE_PLATFORM
612	depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \
613		   (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD)
614	help
615	  This driver enables managed host access to the selected I2C bus shared
616	  between AMD CPU and AMD PSP.
617
618	  You should say Y if running on an AMD system equipped with the PSP.
619
620config I2C_DESIGNWARE_BAYTRAIL
621	bool "Intel Baytrail I2C semaphore support"
622	depends on ACPI
623	depends on I2C_DESIGNWARE_PLATFORM
624	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
625		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
626	help
627	  This driver enables managed host access to the PMIC I2C bus on select
628	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
629	  the host to request uninterrupted access to the PMIC's I2C bus from
630	  the platform firmware controlling it. You should say Y if running on
631	  a BayTrail system using the AXP288.
632
633config I2C_DESIGNWARE_PCI
634	tristate "Synopsys DesignWare PCI driver"
635	depends on PCI
636	select I2C_CCGX_UCSI
637	help
638	  If you say yes to this option, support will be included for the
639	  Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is
640	  supported.
641
642	  This driver can also be built as a module.  If so, the module
643	  will be called i2c-designware-pci.
644
645endif
646
647config I2C_DIGICOLOR
648	tristate "Conexant Digicolor I2C driver"
649	depends on ARCH_DIGICOLOR || COMPILE_TEST
650	help
651	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
652
653	  This driver can also be built as a module.  If so, the module
654	  will be called i2c-digicolor.
655
656config I2C_EG20T
657	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
658	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
659	help
660	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
661	  is an IOH(Input/Output Hub) for x86 embedded processor.
662	  This driver can access PCH I2C bus device.
663
664	  This driver also can be used for LAPIS Semiconductor IOH(Input/
665	  Output Hub), ML7213, ML7223 and ML7831.
666	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
667	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
668	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
669	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
670
671config I2C_EMEV2
672	tristate "EMMA Mobile series I2C adapter"
673	depends on HAVE_CLK
674	select I2C_SLAVE
675	help
676	  If you say yes to this option, support will be included for the
677	  I2C interface on the Renesas Electronics EM/EV family of processors.
678
679config I2C_EXYNOS5
680	tristate "Exynos high-speed I2C driver"
681	depends on OF
682	depends on ARCH_EXYNOS || COMPILE_TEST
683	default y if ARCH_EXYNOS
684	help
685	  High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
686	  Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
687	  Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
688	  Choose Y here only if you build for such Samsung SoC.
689
690config I2C_GPIO
691	tristate "GPIO-based bitbanging I2C"
692	depends on GPIOLIB || COMPILE_TEST
693	select I2C_ALGOBIT
694	help
695	  This is a very simple bitbanging I2C driver utilizing the
696	  arch-neutral GPIO API to control the SCL and SDA lines.
697
698config I2C_GPIO_FAULT_INJECTOR
699	bool "GPIO-based fault injector"
700	depends on I2C_GPIO
701	help
702	  This adds some functionality to the i2c-gpio driver which can inject
703	  faults to an I2C bus, so another bus master can be stress-tested.
704	  This is for debugging. If unsure, say 'no'.
705
706config I2C_GXP
707	tristate "GXP I2C Interface"
708	depends on ARCH_HPE_GXP || COMPILE_TEST
709	help
710	  This enables support for GXP I2C interface. The I2C engines can be
711	  either I2C master or I2C slaves.
712
713config I2C_HIGHLANDER
714	tristate "Highlander FPGA SMBus interface"
715	depends on SH_HIGHLANDER || COMPILE_TEST
716	help
717	  If you say yes to this option, support will be included for
718	  the SMBus interface located in the FPGA on various Highlander
719	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
720	  FPGAs. This is wholly unrelated to the SoC I2C.
721
722	  This driver can also be built as a module.  If so, the module
723	  will be called i2c-highlander.
724
725config I2C_HISI
726	tristate "HiSilicon I2C controller"
727	depends on ARM64 || COMPILE_TEST
728	help
729	  Say Y here if you want to have Hisilicon I2C controller support
730	  available on the Kunpeng Server.
731
732	  This driver can also be built as a module. If so, the module
733	  will be called i2c-hisi.
734
735config I2C_IBM_IIC
736	tristate "IBM PPC 4xx on-chip I2C interface"
737	depends on 4xx
738	help
739	  Say Y here if you want to use IIC peripheral found on
740	  embedded IBM PPC 4xx based systems.
741
742	  This driver can also be built as a module.  If so, the module
743	  will be called i2c-ibm_iic.
744
745config I2C_IMG
746	tristate "Imagination Technologies I2C SCB Controller"
747	depends on MIPS || COMPILE_TEST
748	help
749	  Say Y here if you want to use the IMG I2C SCB controller,
750	  available on the TZ1090 and other IMG SoCs.
751
752	  This driver can also be built as a module.  If so, the module
753	  will be called i2c-img-scb.
754
755config I2C_IMX
756	tristate "IMX I2C interface"
757	depends on ARCH_MXC || ARCH_LAYERSCAPE || ARCH_S32 || COLDFIRE \
758		|| COMPILE_TEST
759	select I2C_SLAVE
760	help
761	  Say Y here if you want to use the IIC bus controller on
762	  the Freescale i.MX/MXC/S32G, Layerscape or ColdFire processors.
763
764	  This driver can also be built as a module. If so, the module
765	  will be called i2c-imx.
766
767config I2C_IMX_LPI2C
768	tristate "IMX Low Power I2C interface"
769	depends on ARCH_MXC || COMPILE_TEST
770	select I2C_SLAVE
771	help
772	  Say Y here if you want to use the Low Power IIC bus controller
773	  on the Freescale i.MX processors.
774
775	  This driver can also be built as a module. If so, the module
776	  will be called i2c-imx-lpi2c.
777
778config I2C_IOP3XX
779	tristate "Intel IXP4xx on-chip I2C interface"
780	depends on ARCH_IXP4XX || COMPILE_TEST
781	help
782	  Say Y here if you want to use the IIC bus controller on
783	  the Intel IXP4xx Network Processors.
784
785	  This driver can also be built as a module.  If so, the module
786	  will be called i2c-iop3xx.
787
788config I2C_JZ4780
789	tristate "JZ4780 I2C controller interface support"
790	depends on MIPS || COMPILE_TEST
791	help
792	 If you say yes to this option, support will be included for the
793	 Ingenic JZ4780 I2C controller.
794
795	 If you don't know what to do here, say N.
796
797config I2C_K1
798	tristate "SpacemiT K1 I2C adapter"
799	depends on ARCH_SPACEMIT || COMPILE_TEST
800	depends on OF
801	help
802	  This option enables support for the I2C interface on the SpacemiT K1
803	  platform.
804
805	  If you enable this configuration, the kernel will include support for
806	  the I2C adapter specific to the SpacemiT K1 platform. This driver can
807	  be used to manage I2C bus transactions, which are necessary for
808	  interfacing with I2C peripherals such as sensors, EEPROMs, and other
809	  devices.
810
811	  This driver can also be built as a module.  If so, the
812	  module will be called `i2c-k1`.
813
814config I2C_KEBA
815	tristate "KEBA I2C controller support"
816	depends on HAS_IOMEM
817	depends on KEBA_CP500 || COMPILE_TEST
818	select AUXILIARY_BUS
819	help
820	  This driver supports the I2C controller found in KEBA system FPGA
821	  devices.
822
823	  This driver can also be built as a module. If so, the module
824	  will be called i2c-keba.
825
826config I2C_KEMPLD
827	tristate "Kontron COM I2C Controller"
828	depends on MFD_KEMPLD
829	help
830	  This enables support for the I2C bus interface on some Kontron ETX
831	  and COMexpress (ETXexpress) modules.
832
833	  This driver can also be built as a module. If so, the module
834	  will be called i2c-kempld.
835
836config I2C_LPC2K
837	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
838	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
839	help
840	  This driver supports the I2C interface found several NXP
841	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
842
843	  This driver can also be built as a module.  If so, the module
844	  will be called i2c-lpc2k.
845
846config I2C_LS2X
847	tristate "Loongson LS2X I2C adapter"
848	depends on MACH_LOONGSON64 || COMPILE_TEST
849	help
850	  If you say yes to this option, support will be included for the
851	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
852	  chip.
853
854	  This driver can also be built as a module. If so, the module
855	  will be called i2c-ls2x.
856
857config I2C_MLXBF
858        tristate "Mellanox BlueField I2C controller"
859        depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST
860	depends on ACPI
861	select I2C_SLAVE
862        help
863          Enabling this option will add I2C SMBus support for Mellanox BlueField
864          system.
865
866          This driver can also be built as a module. If so, the module will be
867          called i2c-mlxbf.
868
869          This driver implements an I2C SMBus host controller and enables both
870          master and slave functions.
871
872config I2C_MESON
873	tristate "Amlogic Meson I2C controller"
874	depends on ARCH_MESON || COMPILE_TEST
875	depends on COMMON_CLK
876	help
877	  If you say yes to this option, support will be included for the
878	  I2C interface on the Amlogic Meson family of SoCs.
879
880config I2C_MICROCHIP_CORE
881	tristate "Microchip FPGA I2C controller"
882	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
883	depends on OF
884	help
885	  If you say yes to this option, support will be included for the
886	  I2C interface on Microchip FPGAs.
887
888	  This driver can also be built as a module. If so, the module will be
889	  called i2c-microchip-core.
890
891config I2C_MPC
892	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
893	depends on PPC
894	help
895	  If you say yes to this option, support will be included for the
896	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
897	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
898
899	  This driver can also be built as a module.  If so, the module
900	  will be called i2c-mpc.
901
902config I2C_MT65XX
903	tristate "MediaTek I2C adapter"
904	depends on ARCH_MEDIATEK || COMPILE_TEST
905	help
906	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
907	  for MT65xx and MT81xx.
908	  If you want to use MediaTek(R) I2C interface, say Y or M here.
909	  If unsure, say N.
910
911config I2C_MT7621
912	tristate "MT7621/MT7628 I2C Controller"
913	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST
914	help
915	  Say Y here to include support for I2C controller in the
916	  MediaTek MT7621/MT7628 SoCs.
917
918config I2C_MV64XXX
919	tristate "Marvell mv64xxx I2C Controller"
920	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
921	help
922	  If you say yes to this option, support will be included for the
923	  built-in I2C interface on the Marvell 64xxx line of host bridges.
924	  This driver is also used for Allwinner SoCs I2C controllers.
925
926	  This driver can also be built as a module.  If so, the module
927	  will be called i2c-mv64xxx.
928
929config I2C_MXS
930	tristate "Freescale i.MX28 I2C interface"
931	depends on SOC_IMX28 || COMPILE_TEST
932	select STMP_DEVICE
933	help
934	  Say Y here if you want to use the I2C bus controller on
935	  the Freescale i.MX28 processors.
936
937	  This driver can also be built as a module.  If so, the module
938	  will be called i2c-mxs.
939
940config I2C_NOMADIK
941	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
942	depends on ARM_AMBA || COMPILE_TEST
943	help
944	  If you say yes to this option, support will be included for the
945	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
946	  as well as the STA2X11 PCIe I/O HUB.
947
948config I2C_NPCM
949	tristate "Nuvoton I2C Controller"
950	depends on ARCH_NPCM || COMPILE_TEST
951	help
952	  If you say yes to this option, support will be included for the
953	  Nuvoton I2C controller, which is available on the NPCM BMC
954	  controllers.
955	  Driver can also support slave mode (select I2C_SLAVE).
956
957config I2C_OCORES
958	tristate "OpenCores I2C Controller"
959	help
960	  If you say yes to this option, support will be included for the
961	  OpenCores I2C controller. For details see
962	  http://www.opencores.org/projects.cgi/web/i2c/overview
963
964	  This driver can also be built as a module.  If so, the module
965	  will be called i2c-ocores.
966
967config I2C_OMAP
968	tristate "OMAP I2C adapter"
969	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
970	default MACH_OMAP_OSK
971	select MULTIPLEXER
972	help
973	  If you say yes to this option, support will be included for the
974	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
975	  Like OMAP1510/1610/1710/5912 and OMAP242x.
976	  For details see http://www.ti.com/omap.
977
978config I2C_OWL
979	tristate "Actions Semiconductor Owl I2C Controller"
980	depends on ARCH_ACTIONS || COMPILE_TEST
981	help
982	  Say Y here if you want to use the I2C bus controller on
983	  the Actions Semiconductor Owl SoC's.
984
985config I2C_PASEMI
986	tristate "PA Semi SMBus interface"
987	depends on PPC_PASEMI && PCI
988	help
989	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
990
991config I2C_APPLE
992	tristate "Apple SMBus platform driver"
993	depends on !I2C_PASEMI
994	depends on ARCH_APPLE || COMPILE_TEST
995	default ARCH_APPLE
996	help
997	  Say Y here if you want to use the I2C controller present on Apple
998	  Silicon chips such as the M1.
999
1000	  This driver can also be built as a module. If so, the module
1001	  will be called i2c-apple.
1002
1003config I2C_PCA_PLATFORM
1004	tristate "PCA9564/PCA9665 as platform device"
1005	select I2C_ALGOPCA
1006	help
1007	  This driver supports a memory mapped Philips PCA9564/PCA9665
1008	  parallel bus to I2C bus controller.
1009
1010	  This driver can also be built as a module.  If so, the module
1011	  will be called i2c-pca-platform.
1012
1013config I2C_PNX
1014	tristate "I2C bus support for Philips PNX and NXP LPC targets"
1015	depends on ARCH_LPC32XX || COMPILE_TEST
1016	help
1017	  This driver supports the Philips IP3204 I2C IP block master and/or
1018	  slave controller
1019
1020	  This driver can also be built as a module.  If so, the module
1021	  will be called i2c-pnx.
1022
1023config I2C_PXA
1024	tristate "Intel PXA2XX I2C adapter"
1025	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
1026	help
1027	  If you have devices in the PXA I2C bus, say yes to this option.
1028	  This driver can also be built as a module.  If so, the module
1029	  will be called i2c-pxa.
1030
1031config I2C_PXA_PCI
1032	def_bool I2C_PXA && X86_32 && PCI && OF
1033
1034config I2C_PXA_SLAVE
1035	bool "Intel PXA2XX I2C Slave comms support"
1036	depends on I2C_PXA && !X86_32
1037	select I2C_SLAVE
1038	help
1039	  Support I2C slave mode communications on the PXA I2C bus.  This
1040	  is necessary for systems where the PXA may be a target on the
1041	  I2C bus.
1042
1043config I2C_QCOM_CCI
1044	tristate "Qualcomm Camera Control Interface"
1045	depends on ARCH_QCOM || COMPILE_TEST
1046	help
1047	  If you say yes to this option, support will be included for the
1048	  built-in camera control interface on the Qualcomm SoCs.
1049
1050	  This driver can also be built as a module.  If so, the module
1051	  will be called i2c-qcom-cci.
1052
1053config I2C_QCOM_GENI
1054	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
1055	depends on ARCH_QCOM || COMPILE_TEST
1056	depends on QCOM_GENI_SE
1057	help
1058	  This driver supports GENI serial engine based I2C controller in
1059	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
1060	  yes to this option, support will be included for the built-in I2C
1061	  interface on the Qualcomm Technologies Inc.'s SoCs.
1062
1063	  This driver can also be built as a module.  If so, the module
1064	  will be called i2c-qcom-geni.
1065
1066config I2C_QUP
1067	tristate "Qualcomm QUP based I2C controller"
1068	depends on ARCH_QCOM || COMPILE_TEST
1069	help
1070	  If you say yes to this option, support will be included for the
1071	  built-in I2C interface on the Qualcomm SoCs.
1072
1073	  This driver can also be built as a module.  If so, the module
1074	  will be called i2c-qup.
1075
1076config I2C_RIIC
1077	tristate "Renesas RIIC adapter"
1078	depends on ARCH_RENESAS || COMPILE_TEST
1079	help
1080	  If you say yes to this option, support will be included for the
1081	  Renesas RIIC I2C interface.
1082
1083	  This driver can also be built as a module.  If so, the module
1084	  will be called i2c-riic.
1085
1086config I2C_RK3X
1087	tristate "Rockchip RK3xxx I2C adapter"
1088	depends on OF && COMMON_CLK
1089	help
1090	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
1091	  SoCs.
1092
1093	  This driver can also be built as a module. If so, the module will
1094	  be called i2c-rk3x.
1095
1096config I2C_RTL9300
1097	tristate "Realtek RTL9300 I2C controller"
1098	depends on MACH_REALTEK_RTL || COMPILE_TEST
1099	help
1100	  Say Y here to include support for the I2C controller in Realtek
1101	  RTL9300 SoCs.
1102
1103	  This driver can also be built as a module. If so, the module will
1104	  be called i2c-rtl9300.
1105
1106config I2C_RZV2M
1107	tristate "Renesas RZ/V2M adapter"
1108	depends on ARCH_RENESAS || COMPILE_TEST
1109	help
1110	  If you say yes to this option, support will be included for the
1111	  Renesas RZ/V2M I2C interface.
1112
1113	  This driver can also be built as a module.  If so, the module
1114	  will be called i2c-rzv2m.
1115
1116config I2C_S3C2410
1117	tristate "S3C/Exynos I2C Driver"
1118	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
1119	help
1120	  Say Y here to include support for I2C controller in the
1121	  Samsung SoCs (S3C, S5Pv210, Exynos).
1122
1123config I2C_SH7760
1124	tristate "Renesas SH7760 I2C Controller"
1125	depends on CPU_SUBTYPE_SH7760
1126	help
1127	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
1128
1129	  This driver can also be built as a module.  If so, the module
1130	  will be called i2c-sh7760.
1131
1132config I2C_SH_MOBILE
1133	tristate "SuperH Mobile I2C Controller"
1134	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
1135	help
1136	  If you say yes to this option, support will be included for the
1137	  built-in I2C interface on the Renesas SH-Mobile processor.
1138
1139	  This driver can also be built as a module.  If so, the module
1140	  will be called i2c-sh_mobile.
1141
1142config I2C_SIMTEC
1143	tristate "Simtec Generic I2C interface"
1144	select I2C_ALGOBIT
1145	help
1146	  If you say yes to this option, support will be included for
1147	  the Simtec Generic I2C interface. This driver is for the
1148	  simple I2C bus used on newer Simtec products for general
1149	  I2C, such as DDC on the Simtec BBD2016A.
1150
1151	  This driver can also be built as a module. If so, the module
1152	  will be called i2c-simtec.
1153
1154config I2C_SPRD
1155	tristate "Spreadtrum I2C interface"
1156	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1157	depends on COMMON_CLK
1158	help
1159	  If you say yes to this option, support will be included for the
1160	  Spreadtrum I2C interface.
1161
1162config I2C_ST
1163	tristate "STMicroelectronics SSC I2C support"
1164	depends on ARCH_STI || COMPILE_TEST
1165	help
1166	  Enable this option to add support for STMicroelectronics SoCs
1167	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
1168
1169	  This driver can also be built as module. If so, the module
1170	  will be called i2c-st.
1171
1172config I2C_STM32F4
1173	tristate "STMicroelectronics STM32F4 I2C support"
1174	depends on ARCH_STM32 || COMPILE_TEST
1175	help
1176	  Enable this option to add support for STM32 I2C controller embedded
1177	  in STM32F4 SoCs.
1178
1179	  This driver can also be built as module. If so, the module
1180	  will be called i2c-stm32f4.
1181
1182config I2C_STM32F7
1183	tristate "STMicroelectronics STM32F7 I2C support"
1184	depends on ARCH_STM32 || COMPILE_TEST
1185	select I2C_SLAVE
1186	select I2C_SMBUS
1187	help
1188	  Enable this option to add support for STM32 I2C controller embedded
1189	  in STM32F7 SoCs.
1190
1191	  This driver can also be built as module. If so, the module
1192	  will be called i2c-stm32f7.
1193
1194config I2C_SUN6I_P2WI
1195	tristate "Allwinner sun6i internal P2WI controller"
1196	depends on RESET_CONTROLLER
1197	depends on MACH_SUN6I || COMPILE_TEST
1198	help
1199	  If you say yes to this option, support will be included for the
1200	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1201	  SOCs.
1202	  The P2WI looks like an SMBus controller (which supports only byte
1203	  accesses), except that it only supports one slave device.
1204	  This interface is used to connect to specific PMIC devices (like the
1205	  AXP221).
1206
1207config I2C_SYNQUACER
1208	tristate "Socionext SynQuacer I2C controller"
1209	depends on ARCH_SYNQUACER || COMPILE_TEST
1210	help
1211	  Say Y here to include support for the I2C controller used in some
1212	  Fujitsu and Socionext SoCs.
1213
1214	  This driver can also be built as a module. If so, the module
1215	  will be called i2c-synquacer.
1216
1217config I2C_TEGRA
1218	tristate "NVIDIA Tegra internal I2C controller"
1219	depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
1220	# COMPILE_TEST needs architectures with readsX()/writesX() primitives
1221	help
1222	  If you say yes to this option, support will be included for the
1223	  I2C controller embedded in NVIDIA Tegra SOCs
1224
1225config I2C_TEGRA_BPMP
1226	tristate "NVIDIA Tegra BPMP I2C controller"
1227	depends on TEGRA_BPMP || COMPILE_TEST
1228	default y if TEGRA_BPMP
1229	help
1230	  If you say yes to this option, support will be included for the I2C
1231	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1232
1233	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1234	  of the BPMP firmware, and this driver merely communicates with that
1235	  real driver.
1236
1237config I2C_UNIPHIER
1238	tristate "UniPhier FIFO-less I2C controller"
1239	depends on ARCH_UNIPHIER || COMPILE_TEST
1240	help
1241	  If you say yes to this option, support will be included for
1242	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1243	  or older UniPhier SoCs.
1244
1245config I2C_UNIPHIER_F
1246	tristate "UniPhier FIFO-builtin 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-builtin I2C interface embedded in PH1-Pro4,
1251	  PH1-Pro5, or newer UniPhier SoCs.
1252
1253config I2C_VERSATILE
1254	tristate "ARM Versatile/Realview I2C bus support"
1255	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1256	select I2C_ALGOBIT
1257	help
1258	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1259	  range of platforms.
1260
1261	  This driver can also be built as a module.  If so, the module
1262	  will be called i2c-versatile.
1263
1264config I2C_WMT
1265	tristate "Wondermedia WM8xxx SoC I2C bus support"
1266	depends on ARCH_VT8500 || COMPILE_TEST
1267	help
1268	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1269	  SoCs.
1270
1271	  This driver can also be built as a module. If so, the module will be
1272	  called i2c-wmt.
1273
1274config I2C_OCTEON
1275	tristate "Cavium OCTEON I2C bus support"
1276	depends on CAVIUM_OCTEON_SOC
1277	help
1278	  Say yes if you want to support the I2C serial bus on Cavium
1279	  OCTEON SOC.
1280
1281	  This driver can also be built as a module.  If so, the module
1282	  will be called i2c-octeon.
1283
1284config I2C_THUNDERX
1285	tristate "Cavium ThunderX I2C bus support"
1286	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1287	select I2C_SMBUS
1288	help
1289	  Say yes if you want to support the I2C serial bus on Cavium
1290	  ThunderX SOC.
1291
1292	  This driver can also be built as a module.  If so, the module
1293	  will be called i2c-thunderx.
1294
1295config I2C_XILINX
1296	tristate "Xilinx I2C Controller"
1297	depends on HAS_IOMEM
1298	help
1299	  If you say yes to this option, support will be included for the
1300	  Xilinx I2C controller.
1301
1302	  This driver can also be built as a module.  If so, the module
1303	  will be called xilinx_i2c.
1304
1305config I2C_XLP9XX
1306	tristate "Cavium ThunderX2 I2C support"
1307	depends on ARCH_THUNDER2 || COMPILE_TEST
1308	help
1309	  This driver enables support for the on-chip I2C interface of
1310	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1311
1312	  This driver can also be built as a module.  If so, the module will
1313	  be called i2c-xlp9xx.
1314
1315config I2C_RCAR
1316	tristate "Renesas R-Car I2C Controller"
1317	depends on ARCH_RENESAS || COMPILE_TEST
1318	select I2C_SLAVE
1319	select I2C_SMBUS
1320	select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4
1321	help
1322	  If you say yes to this option, support will be included for the
1323	  R-Car I2C controller.
1324
1325	  This driver can also be built as a module.  If so, the module
1326	  will be called i2c-rcar.
1327
1328comment "External I2C/SMBus adapter drivers"
1329
1330config I2C_DIOLAN_U2C
1331	tristate "Diolan U2C-12 USB adapter"
1332	depends on USB
1333	help
1334	  If you say yes to this option, support will be included for Diolan
1335	  U2C-12, a USB to I2C interface.
1336
1337	  This driver can also be built as a module.  If so, the module
1338	  will be called i2c-diolan-u2c.
1339
1340config I2C_DLN2
1341	tristate "Diolan DLN-2 USB I2C adapter"
1342	depends on MFD_DLN2
1343	help
1344	 If you say yes to this option, support will be included for Diolan
1345	 DLN2, a USB to I2C interface.
1346
1347	 This driver can also be built as a module.  If so, the module
1348	 will be called i2c-dln2.
1349
1350config I2C_LJCA
1351	tristate "I2C functionality of Intel La Jolla Cove Adapter"
1352	depends on USB_LJCA
1353	default USB_LJCA
1354	help
1355	  If you say yes to this option, I2C functionality support of Intel
1356	  La Jolla Cove Adapter (LJCA) will be included.
1357
1358	  This driver can also be built as a module.  If so, the module
1359	  will be called i2c-ljca.
1360
1361config I2C_CP2615
1362	tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1363	depends on USB
1364	help
1365	  If you say yes to this option, support will be included for Silicon
1366	  Labs CP2615's I2C interface.
1367
1368	  This driver can also be built as a module.  If so, the module
1369	  will be called i2c-cp2615.
1370
1371config I2C_PARPORT
1372	tristate "Parallel port adapter"
1373	depends on PARPORT
1374	select I2C_ALGOBIT
1375	select I2C_SMBUS
1376	help
1377	  This supports parallel port I2C adapters such as the ones made by
1378	  Philips or Velleman, Analog Devices evaluation boards, and more.
1379	  Basically any adapter using the parallel port as an I2C bus with
1380	  no extra chipset is supported by this driver, or could be. Please
1381	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
1382
1383	  This support is also available as a module.  If so, the module
1384	  will be called i2c-parport.
1385
1386config I2C_PCI1XXXX
1387	tristate "PCI1XXXX I2C Host Adapter"
1388	depends on PCI
1389	help
1390	  If you say yes to this option, support will be included for
1391	  Microchip PCI1XXXX's I2C interface.
1392
1393	  This driver can also be built as a module. If so, the module will
1394	  be called i2c-mchp-pci1xxxx.
1395
1396config I2C_ROBOTFUZZ_OSIF
1397	tristate "RobotFuzz Open Source InterFace USB adapter"
1398	depends on USB
1399	help
1400	  If you say yes to this option, support will be included for the
1401	  RobotFuzz Open Source InterFace USB to I2C interface.
1402
1403	  This driver can also be built as a module.  If so, the module
1404	  will be called i2c-osif.
1405
1406config I2C_TAOS_EVM
1407	tristate "TAOS evaluation module"
1408	depends on TTY
1409	select SERIO
1410	select SERIO_SERPORT
1411	help
1412	  This supports TAOS evaluation modules on serial port. In order to
1413	  use this driver, you will need the inputattach tool, which is part
1414	  of the input-utils package.
1415
1416	  If unsure, say N.
1417
1418	  This support is also available as a module.  If so, the module
1419	  will be called i2c-taos-evm.
1420
1421config I2C_TINY_USB
1422	tristate "Tiny-USB adapter"
1423	depends on USB
1424	help
1425	  If you say yes to this option, support will be included for the
1426	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1427	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1428
1429	  This driver can also be built as a module.  If so, the module
1430	  will be called i2c-tiny-usb.
1431
1432config I2C_VIPERBOARD
1433	tristate "Viperboard I2C master support"
1434	depends on MFD_VIPERBOARD && USB
1435	help
1436	  Say yes here to access the I2C part of the Nano River
1437	  Technologies Viperboard as I2C master.
1438	  See viperboard API specification and Nano
1439	  River Tech's viperboard.h for detailed meaning
1440	  of the module parameters.
1441
1442comment "Other I2C/SMBus bus drivers"
1443
1444config I2C_ACORN
1445	tristate "Acorn IOC/IOMD I2C bus support"
1446	depends on ARCH_ACORN
1447	default y
1448	select I2C_ALGOBIT
1449	help
1450	  Say yes if you want to support the I2C bus on Acorn platforms.
1451
1452	  If you don't know, say Y.
1453
1454config I2C_ELEKTOR
1455	tristate "Elektor ISA card"
1456	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1457	select I2C_ALGOPCF
1458	help
1459	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1460	  such an adapter.
1461
1462	  This support is also available as a module.  If so, the module
1463	  will be called i2c-elektor.
1464
1465config I2C_ICY
1466	tristate "ICY Zorro card"
1467	depends on ZORRO
1468	select I2C_ALGOPCF
1469	help
1470	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1471	  Say Y if you own such an adapter.
1472
1473	  This support is also available as a module.  If so, the module
1474	  will be called i2c-icy.
1475
1476	  If you have a 2019 edition board with an LTC2990 sensor at address
1477	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1478
1479config I2C_MLXCPLD
1480	tristate "Mellanox I2C driver"
1481	depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
1482	depends on HAS_IOPORT
1483	help
1484	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1485	  for X86 and ARM64/ACPI based systems.
1486	  Controller is implemented as CPLD logic.
1487
1488	  This driver can also be built as a module. If so, the module will be
1489	  called as i2c-mlxcpld.
1490
1491config I2C_PCA_ISA
1492	tristate "PCA9564/PCA9665 on an ISA bus"
1493	depends on ISA
1494	select I2C_ALGOPCA
1495	help
1496	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1497	  parallel bus to I2C bus controller.
1498
1499	  This driver can also be built as a module.  If so, the module
1500	  will be called i2c-pca-isa.
1501
1502	  This device is almost undetectable and using this driver on a
1503	  system which doesn't have this device will result in long
1504	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1505	  time).  If unsure, say N.
1506
1507config I2C_SIBYTE
1508	tristate "SiByte SMBus interface"
1509	depends on SIBYTE_SB1xxx_SOC
1510	help
1511	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1512
1513config I2C_CROS_EC_TUNNEL
1514	tristate "ChromeOS EC tunnel I2C bus"
1515	depends on CROS_EC
1516	help
1517	  If you say yes here you get an I2C bus that will tunnel i2c commands
1518	  through to the other side of the ChromeOS EC to the i2c bus
1519	  connected there. This will work whatever the interface used to
1520	  talk to the EC (SPI, I2C or LPC).
1521
1522config I2C_XGENE_SLIMPRO
1523	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1524	depends on ARCH_XGENE && MAILBOX
1525	help
1526	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1527	  co-processor. The I2C device access the I2C bus via the X-Gene
1528	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1529	  If unsure, say N.
1530
1531config SCx200_ACB
1532	tristate "Geode ACCESS.bus support"
1533	depends on X86_32 && PCI
1534	help
1535	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1536	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1537
1538	  If you don't know what to do here, say N.
1539
1540	  This support is also available as a module.  If so, the module
1541	  will be called scx200_acb.
1542
1543config I2C_OPAL
1544	tristate "IBM OPAL I2C driver"
1545	depends on PPC_POWERNV
1546	default y
1547	help
1548	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1549	  the driver is based on the OPAL interfaces.
1550
1551	  This driver can also be built as a module. If so, the module will be
1552	  called as i2c-opal.
1553
1554config I2C_FSI
1555	tristate "FSI I2C driver"
1556	depends on FSI
1557	help
1558	  Driver for FSI bus attached I2C masters. These are I2C masters that
1559	  are connected to the system over an FSI bus, instead of the more
1560	  common PCI or MMIO interface.
1561
1562	  This driver can also be built as a module. If so, the module will be
1563	  called as i2c-fsi.
1564
1565config I2C_VIRTIO
1566        tristate "Virtio I2C Adapter"
1567        select VIRTIO
1568        help
1569          If you say yes to this option, support will be included for the virtio
1570          I2C adapter driver. The hardware can be emulated by any device model
1571          software according to the virtio protocol.
1572
1573          This driver can also be built as a module. If so, the module
1574          will be called i2c-virtio.
1575
1576endmenu
1577