xref: /linux-6.15/drivers/i2c/busses/Kconfig (revision b7ef4e0b)
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
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	tristate "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 mismtaches 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 y
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_CPM
531	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
532	depends on CPM1 || CPM2
533	help
534	  This supports the use of the I2C interface on Freescale
535	  processors with CPM1 or CPM2.
536
537	  This driver can also be built as a module.  If so, the module
538	  will be called i2c-cpm.
539
540config I2C_DAVINCI
541	tristate "DaVinci I2C driver"
542	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
543	help
544	  Support for TI DaVinci I2C controller driver.
545
546	  This driver can also be built as a module.  If so, the module
547	  will be called i2c-davinci.
548
549	  Please note that this driver might be needed to bring up other
550	  devices such as DaVinci NIC.
551	  For details please see http://www.ti.com/davinci
552
553config I2C_DESIGNWARE_CORE
554	tristate "Synopsys DesignWare I2C adapter"
555	select REGMAP
556	help
557	  This option enables support for the Synopsys DesignWare I2C adapter.
558	  This driver includes support for the I2C host on the Synopsys
559	  Designware I2C adapter.
560
561	  To compile the driver as a module, choose M here: the module will be
562	  called i2c-designware-core.
563
564if I2C_DESIGNWARE_CORE
565
566config I2C_DESIGNWARE_SLAVE
567	bool "Synopsys DesignWare Slave"
568	select I2C_SLAVE
569	help
570	  If you say yes to this option, support will be included for the
571	  Synopsys DesignWare I2C slave adapter.
572
573config I2C_DESIGNWARE_PLATFORM
574	tristate "Synopsys DesignWare Platform driver"
575	depends on (ACPI && COMMON_CLK) || !ACPI
576	select MFD_SYSCON if MIPS_BAIKAL_T1
577	default I2C_DESIGNWARE_CORE
578	help
579	  If you say yes to this option, support will be included for the
580	  Synopsys DesignWare I2C adapters on the platform bus.
581
582	  This driver can also be built as a module.  If so, the module
583	  will be called i2c-designware-platform.
584
585config I2C_DESIGNWARE_AMDPSP
586	bool "AMD PSP I2C semaphore support"
587	depends on ACPI
588	depends on CRYPTO_DEV_SP_PSP
589	depends on PCI
590	depends on I2C_DESIGNWARE_PLATFORM
591	depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \
592		   (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD)
593	help
594	  This driver enables managed host access to the selected I2C bus shared
595	  between AMD CPU and AMD PSP.
596
597	  You should say Y if running on an AMD system equipped with the PSP.
598
599config I2C_DESIGNWARE_BAYTRAIL
600	bool "Intel Baytrail I2C semaphore support"
601	depends on ACPI
602	depends on I2C_DESIGNWARE_PLATFORM
603	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
604		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
605	help
606	  This driver enables managed host access to the PMIC I2C bus on select
607	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
608	  the host to request uninterrupted access to the PMIC's I2C bus from
609	  the platform firmware controlling it. You should say Y if running on
610	  a BayTrail system using the AXP288.
611
612config I2C_DESIGNWARE_PCI
613	tristate "Synopsys DesignWare PCI driver"
614	depends on PCI
615	select I2C_CCGX_UCSI
616	help
617	  If you say yes to this option, support will be included for the
618	  Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is
619	  supported.
620
621	  This driver can also be built as a module.  If so, the module
622	  will be called i2c-designware-pci.
623
624endif
625
626config I2C_DIGICOLOR
627	tristate "Conexant Digicolor I2C driver"
628	depends on ARCH_DIGICOLOR || COMPILE_TEST
629	help
630	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
631
632	  This driver can also be built as a module.  If so, the module
633	  will be called i2c-digicolor.
634
635config I2C_EG20T
636	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
637	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
638	help
639	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
640	  is an IOH(Input/Output Hub) for x86 embedded processor.
641	  This driver can access PCH I2C bus device.
642
643	  This driver also can be used for LAPIS Semiconductor IOH(Input/
644	  Output Hub), ML7213, ML7223 and ML7831.
645	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
646	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
647	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
648	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
649
650config I2C_EMEV2
651	tristate "EMMA Mobile series I2C adapter"
652	depends on HAVE_CLK
653	select I2C_SLAVE
654	help
655	  If you say yes to this option, support will be included for the
656	  I2C interface on the Renesas Electronics EM/EV family of processors.
657
658config I2C_EXYNOS5
659	tristate "Exynos high-speed I2C driver"
660	depends on OF
661	depends on ARCH_EXYNOS || COMPILE_TEST
662	default y if ARCH_EXYNOS
663	help
664	  High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
665	  Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
666	  Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
667	  Choose Y here only if you build for such Samsung SoC.
668
669config I2C_GPIO
670	tristate "GPIO-based bitbanging I2C"
671	depends on GPIOLIB || COMPILE_TEST
672	select I2C_ALGOBIT
673	help
674	  This is a very simple bitbanging I2C driver utilizing the
675	  arch-neutral GPIO API to control the SCL and SDA lines.
676
677config I2C_GPIO_FAULT_INJECTOR
678	bool "GPIO-based fault injector"
679	depends on I2C_GPIO
680	help
681	  This adds some functionality to the i2c-gpio driver which can inject
682	  faults to an I2C bus, so another bus master can be stress-tested.
683	  This is for debugging. If unsure, say 'no'.
684
685config I2C_GXP
686	tristate "GXP I2C Interface"
687	depends on ARCH_HPE_GXP || COMPILE_TEST
688	help
689	  This enables support for GXP I2C interface. The I2C engines can be
690	  either I2C master or I2C slaves.
691
692config I2C_HIGHLANDER
693	tristate "Highlander FPGA SMBus interface"
694	depends on SH_HIGHLANDER || COMPILE_TEST
695	help
696	  If you say yes to this option, support will be included for
697	  the SMBus interface located in the FPGA on various Highlander
698	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
699	  FPGAs. This is wholly unrelated to the SoC I2C.
700
701	  This driver can also be built as a module.  If so, the module
702	  will be called i2c-highlander.
703
704config I2C_HISI
705	tristate "HiSilicon I2C controller"
706	depends on ARM64 || COMPILE_TEST
707	help
708	  Say Y here if you want to have Hisilicon I2C controller support
709	  available on the Kunpeng Server.
710
711	  This driver can also be built as a module. If so, the module
712	  will be called i2c-hisi.
713
714config I2C_IBM_IIC
715	tristate "IBM PPC 4xx on-chip I2C interface"
716	depends on 4xx
717	help
718	  Say Y here if you want to use IIC peripheral found on
719	  embedded IBM PPC 4xx based systems.
720
721	  This driver can also be built as a module.  If so, the module
722	  will be called i2c-ibm_iic.
723
724config I2C_IMG
725	tristate "Imagination Technologies I2C SCB Controller"
726	depends on MIPS || COMPILE_TEST
727	help
728	  Say Y here if you want to use the IMG I2C SCB controller,
729	  available on the TZ1090 and other IMG SoCs.
730
731	  This driver can also be built as a module.  If so, the module
732	  will be called i2c-img-scb.
733
734config I2C_IMX
735	tristate "IMX I2C interface"
736	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST
737	select I2C_SLAVE
738	help
739	  Say Y here if you want to use the IIC bus controller on
740	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
741
742	  This driver can also be built as a module.  If so, the module
743	  will be called i2c-imx.
744
745config I2C_IMX_LPI2C
746	tristate "IMX Low Power I2C interface"
747	depends on ARCH_MXC || COMPILE_TEST
748	help
749	  Say Y here if you want to use the Low Power IIC bus controller
750	  on the Freescale i.MX processors.
751
752	  This driver can also be built as a module. If so, the module
753	  will be called i2c-imx-lpi2c.
754
755config I2C_IOP3XX
756	tristate "Intel IXP4xx on-chip I2C interface"
757	depends on ARCH_IXP4XX || COMPILE_TEST
758	help
759	  Say Y here if you want to use the IIC bus controller on
760	  the Intel IXP4xx Network Processors.
761
762	  This driver can also be built as a module.  If so, the module
763	  will be called i2c-iop3xx.
764
765config I2C_JZ4780
766	tristate "JZ4780 I2C controller interface support"
767	depends on MIPS || COMPILE_TEST
768	help
769	 If you say yes to this option, support will be included for the
770	 Ingenic JZ4780 I2C controller.
771
772	 If you don't know what to do here, say N.
773
774config I2C_KEBA
775	tristate "KEBA I2C controller support"
776	depends on HAS_IOMEM
777	depends on KEBA_CP500 || COMPILE_TEST
778	select AUXILIARY_BUS
779	help
780	  This driver supports the I2C controller found in KEBA system FPGA
781	  devices.
782
783	  This driver can also be built as a module. If so, the module
784	  will be called i2c-keba.
785
786config I2C_KEMPLD
787	tristate "Kontron COM I2C Controller"
788	depends on MFD_KEMPLD
789	help
790	  This enables support for the I2C bus interface on some Kontron ETX
791	  and COMexpress (ETXexpress) modules.
792
793	  This driver can also be built as a module. If so, the module
794	  will be called i2c-kempld.
795
796config I2C_LPC2K
797	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
798	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
799	help
800	  This driver supports the I2C interface found several NXP
801	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
802
803	  This driver can also be built as a module.  If so, the module
804	  will be called i2c-lpc2k.
805
806config I2C_LS2X
807	tristate "Loongson LS2X I2C adapter"
808	depends on MACH_LOONGSON64 || COMPILE_TEST
809	help
810	  If you say yes to this option, support will be included for the
811	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
812	  chip.
813
814	  This driver can also be built as a module. If so, the module
815	  will be called i2c-ls2x.
816
817config I2C_MLXBF
818        tristate "Mellanox BlueField I2C controller"
819        depends on MELLANOX_PLATFORM && ARM64
820	depends on ACPI
821	select I2C_SLAVE
822        help
823          Enabling this option will add I2C SMBus support for Mellanox BlueField
824          system.
825
826          This driver can also be built as a module. If so, the module will be
827          called i2c-mlxbf.
828
829          This driver implements an I2C SMBus host controller and enables both
830          master and slave functions.
831
832config I2C_MESON
833	tristate "Amlogic Meson I2C controller"
834	depends on ARCH_MESON || COMPILE_TEST
835	depends on COMMON_CLK
836	help
837	  If you say yes to this option, support will be included for the
838	  I2C interface on the Amlogic Meson family of SoCs.
839
840config I2C_MICROCHIP_CORE
841	tristate "Microchip FPGA I2C controller"
842	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
843	depends on OF
844	help
845	  If you say yes to this option, support will be included for the
846	  I2C interface on Microchip FPGAs.
847
848	  This driver can also be built as a module. If so, the module will be
849	  called i2c-microchip-core.
850
851config I2C_MPC
852	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
853	depends on PPC
854	help
855	  If you say yes to this option, support will be included for the
856	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
857	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
858
859	  This driver can also be built as a module.  If so, the module
860	  will be called i2c-mpc.
861
862config I2C_MT65XX
863	tristate "MediaTek I2C adapter"
864	depends on ARCH_MEDIATEK || COMPILE_TEST
865	help
866	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
867	  for MT65xx and MT81xx.
868	  If you want to use MediaTek(R) I2C interface, say Y or M here.
869	  If unsure, say N.
870
871config I2C_MT7621
872	tristate "MT7621/MT7628 I2C Controller"
873	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST
874	help
875	  Say Y here to include support for I2C controller in the
876	  MediaTek MT7621/MT7628 SoCs.
877
878config I2C_MV64XXX
879	tristate "Marvell mv64xxx I2C Controller"
880	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
881	help
882	  If you say yes to this option, support will be included for the
883	  built-in I2C interface on the Marvell 64xxx line of host bridges.
884	  This driver is also used for Allwinner SoCs I2C controllers.
885
886	  This driver can also be built as a module.  If so, the module
887	  will be called i2c-mv64xxx.
888
889config I2C_MXS
890	tristate "Freescale i.MX28 I2C interface"
891	depends on SOC_IMX28 || COMPILE_TEST
892	select STMP_DEVICE
893	help
894	  Say Y here if you want to use the I2C bus controller on
895	  the Freescale i.MX28 processors.
896
897	  This driver can also be built as a module.  If so, the module
898	  will be called i2c-mxs.
899
900config I2C_NOMADIK
901	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
902	depends on ARM_AMBA
903	help
904	  If you say yes to this option, support will be included for the
905	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
906	  as well as the STA2X11 PCIe I/O HUB.
907
908config I2C_NPCM
909	tristate "Nuvoton I2C Controller"
910	depends on ARCH_NPCM || COMPILE_TEST
911	help
912	  If you say yes to this option, support will be included for the
913	  Nuvoton I2C controller, which is available on the NPCM BMC
914	  controllers.
915	  Driver can also support slave mode (select I2C_SLAVE).
916
917config I2C_OCORES
918	tristate "OpenCores I2C Controller"
919	help
920	  If you say yes to this option, support will be included for the
921	  OpenCores I2C controller. For details see
922	  http://www.opencores.org/projects.cgi/web/i2c/overview
923
924	  This driver can also be built as a module.  If so, the module
925	  will be called i2c-ocores.
926
927config I2C_OMAP
928	tristate "OMAP I2C adapter"
929	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
930	default MACH_OMAP_OSK
931	help
932	  If you say yes to this option, support will be included for the
933	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
934	  Like OMAP1510/1610/1710/5912 and OMAP242x.
935	  For details see http://www.ti.com/omap.
936
937config I2C_OWL
938	tristate "Actions Semiconductor Owl I2C Controller"
939	depends on ARCH_ACTIONS || COMPILE_TEST
940	help
941	  Say Y here if you want to use the I2C bus controller on
942	  the Actions Semiconductor Owl SoC's.
943
944config I2C_PASEMI
945	tristate "PA Semi SMBus interface"
946	depends on PPC_PASEMI && PCI
947	help
948	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
949
950config I2C_APPLE
951	tristate "Apple SMBus platform driver"
952	depends on !I2C_PASEMI
953	depends on ARCH_APPLE || COMPILE_TEST
954	default ARCH_APPLE
955	help
956	  Say Y here if you want to use the I2C controller present on Apple
957	  Silicon chips such as the M1.
958
959	  This driver can also be built as a module. If so, the module
960	  will be called i2c-apple.
961
962config I2C_PCA_PLATFORM
963	tristate "PCA9564/PCA9665 as platform device"
964	select I2C_ALGOPCA
965	help
966	  This driver supports a memory mapped Philips PCA9564/PCA9665
967	  parallel bus to I2C bus controller.
968
969	  This driver can also be built as a module.  If so, the module
970	  will be called i2c-pca-platform.
971
972config I2C_PNX
973	tristate "I2C bus support for Philips PNX and NXP LPC targets"
974	depends on ARCH_LPC32XX || COMPILE_TEST
975	help
976	  This driver supports the Philips IP3204 I2C IP block master and/or
977	  slave controller
978
979	  This driver can also be built as a module.  If so, the module
980	  will be called i2c-pnx.
981
982config I2C_PXA
983	tristate "Intel PXA2XX I2C adapter"
984	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
985	help
986	  If you have devices in the PXA I2C bus, say yes to this option.
987	  This driver can also be built as a module.  If so, the module
988	  will be called i2c-pxa.
989
990config I2C_PXA_PCI
991	def_bool I2C_PXA && X86_32 && PCI && OF
992
993config I2C_PXA_SLAVE
994	bool "Intel PXA2XX I2C Slave comms support"
995	depends on I2C_PXA && !X86_32
996	select I2C_SLAVE
997	help
998	  Support I2C slave mode communications on the PXA I2C bus.  This
999	  is necessary for systems where the PXA may be a target on the
1000	  I2C bus.
1001
1002config I2C_QCOM_CCI
1003	tristate "Qualcomm Camera Control Interface"
1004	depends on ARCH_QCOM || COMPILE_TEST
1005	help
1006	  If you say yes to this option, support will be included for the
1007	  built-in camera control interface on the Qualcomm SoCs.
1008
1009	  This driver can also be built as a module.  If so, the module
1010	  will be called i2c-qcom-cci.
1011
1012config I2C_QCOM_GENI
1013	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
1014	depends on ARCH_QCOM || COMPILE_TEST
1015	depends on QCOM_GENI_SE
1016	help
1017	  This driver supports GENI serial engine based I2C controller in
1018	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
1019	  yes to this option, support will be included for the built-in I2C
1020	  interface on the Qualcomm Technologies Inc.'s SoCs.
1021
1022	  This driver can also be built as a module.  If so, the module
1023	  will be called i2c-qcom-geni.
1024
1025config I2C_QUP
1026	tristate "Qualcomm QUP based I2C controller"
1027	depends on ARCH_QCOM || COMPILE_TEST
1028	help
1029	  If you say yes to this option, support will be included for the
1030	  built-in I2C interface on the Qualcomm SoCs.
1031
1032	  This driver can also be built as a module.  If so, the module
1033	  will be called i2c-qup.
1034
1035config I2C_RIIC
1036	tristate "Renesas RIIC adapter"
1037	depends on ARCH_RENESAS || COMPILE_TEST
1038	help
1039	  If you say yes to this option, support will be included for the
1040	  Renesas RIIC I2C interface.
1041
1042	  This driver can also be built as a module.  If so, the module
1043	  will be called i2c-riic.
1044
1045config I2C_RK3X
1046	tristate "Rockchip RK3xxx I2C adapter"
1047	depends on OF && COMMON_CLK
1048	help
1049	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
1050	  SoCs.
1051
1052	  This driver can also be built as a module. If so, the module will
1053	  be called i2c-rk3x.
1054
1055config I2C_RZV2M
1056	tristate "Renesas RZ/V2M adapter"
1057	depends on ARCH_RENESAS || COMPILE_TEST
1058	help
1059	  If you say yes to this option, support will be included for the
1060	  Renesas RZ/V2M I2C interface.
1061
1062	  This driver can also be built as a module.  If so, the module
1063	  will be called i2c-rzv2m.
1064
1065config I2C_S3C2410
1066	tristate "S3C/Exynos I2C Driver"
1067	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
1068	help
1069	  Say Y here to include support for I2C controller in the
1070	  Samsung SoCs (S3C, S5Pv210, Exynos).
1071
1072config I2C_SH7760
1073	tristate "Renesas SH7760 I2C Controller"
1074	depends on CPU_SUBTYPE_SH7760
1075	help
1076	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
1077
1078	  This driver can also be built as a module.  If so, the module
1079	  will be called i2c-sh7760.
1080
1081config I2C_SH_MOBILE
1082	tristate "SuperH Mobile I2C Controller"
1083	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
1084	help
1085	  If you say yes to this option, support will be included for the
1086	  built-in I2C interface on the Renesas SH-Mobile processor.
1087
1088	  This driver can also be built as a module.  If so, the module
1089	  will be called i2c-sh_mobile.
1090
1091config I2C_SIMTEC
1092	tristate "Simtec Generic I2C interface"
1093	select I2C_ALGOBIT
1094	help
1095	  If you say yes to this option, support will be included for
1096	  the Simtec Generic I2C interface. This driver is for the
1097	  simple I2C bus used on newer Simtec products for general
1098	  I2C, such as DDC on the Simtec BBD2016A.
1099
1100	  This driver can also be built as a module. If so, the module
1101	  will be called i2c-simtec.
1102
1103config I2C_SPRD
1104	tristate "Spreadtrum I2C interface"
1105	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1106	depends on COMMON_CLK
1107	help
1108	  If you say yes to this option, support will be included for the
1109	  Spreadtrum I2C interface.
1110
1111config I2C_ST
1112	tristate "STMicroelectronics SSC I2C support"
1113	depends on ARCH_STI || COMPILE_TEST
1114	help
1115	  Enable this option to add support for STMicroelectronics SoCs
1116	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
1117
1118	  This driver can also be built as module. If so, the module
1119	  will be called i2c-st.
1120
1121config I2C_STM32F4
1122	tristate "STMicroelectronics STM32F4 I2C support"
1123	depends on ARCH_STM32 || COMPILE_TEST
1124	help
1125	  Enable this option to add support for STM32 I2C controller embedded
1126	  in STM32F4 SoCs.
1127
1128	  This driver can also be built as module. If so, the module
1129	  will be called i2c-stm32f4.
1130
1131config I2C_STM32F7
1132	tristate "STMicroelectronics STM32F7 I2C support"
1133	depends on ARCH_STM32 || COMPILE_TEST
1134	select I2C_SLAVE
1135	select I2C_SMBUS
1136	help
1137	  Enable this option to add support for STM32 I2C controller embedded
1138	  in STM32F7 SoCs.
1139
1140	  This driver can also be built as module. If so, the module
1141	  will be called i2c-stm32f7.
1142
1143config I2C_SUN6I_P2WI
1144	tristate "Allwinner sun6i internal P2WI controller"
1145	depends on RESET_CONTROLLER
1146	depends on MACH_SUN6I || COMPILE_TEST
1147	help
1148	  If you say yes to this option, support will be included for the
1149	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1150	  SOCs.
1151	  The P2WI looks like an SMBus controller (which supports only byte
1152	  accesses), except that it only supports one slave device.
1153	  This interface is used to connect to specific PMIC devices (like the
1154	  AXP221).
1155
1156config I2C_SYNQUACER
1157	tristate "Socionext SynQuacer I2C controller"
1158	depends on ARCH_SYNQUACER || COMPILE_TEST
1159	help
1160	  Say Y here to include support for the I2C controller used in some
1161	  Fujitsu and Socionext SoCs.
1162
1163	  This driver can also be built as a module. If so, the module
1164	  will be called i2c-synquacer.
1165
1166config I2C_TEGRA
1167	tristate "NVIDIA Tegra internal I2C controller"
1168	depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
1169	# COMPILE_TEST needs architectures with readsX()/writesX() primitives
1170	help
1171	  If you say yes to this option, support will be included for the
1172	  I2C controller embedded in NVIDIA Tegra SOCs
1173
1174config I2C_TEGRA_BPMP
1175	tristate "NVIDIA Tegra BPMP I2C controller"
1176	depends on TEGRA_BPMP || COMPILE_TEST
1177	default y if TEGRA_BPMP
1178	help
1179	  If you say yes to this option, support will be included for the I2C
1180	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1181
1182	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1183	  of the BPMP firmware, and this driver merely communicates with that
1184	  real driver.
1185
1186config I2C_UNIPHIER
1187	tristate "UniPhier FIFO-less I2C controller"
1188	depends on ARCH_UNIPHIER || COMPILE_TEST
1189	help
1190	  If you say yes to this option, support will be included for
1191	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1192	  or older UniPhier SoCs.
1193
1194config I2C_UNIPHIER_F
1195	tristate "UniPhier FIFO-builtin I2C controller"
1196	depends on ARCH_UNIPHIER || COMPILE_TEST
1197	help
1198	  If you say yes to this option, support will be included for
1199	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1200	  PH1-Pro5, or newer UniPhier SoCs.
1201
1202config I2C_VERSATILE
1203	tristate "ARM Versatile/Realview I2C bus support"
1204	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1205	select I2C_ALGOBIT
1206	help
1207	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1208	  range of platforms.
1209
1210	  This driver can also be built as a module.  If so, the module
1211	  will be called i2c-versatile.
1212
1213config I2C_WMT
1214	tristate "Wondermedia WM8xxx SoC I2C bus support"
1215	depends on ARCH_VT8500 || COMPILE_TEST
1216	help
1217	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1218	  SoCs.
1219
1220	  This driver can also be built as a module. If so, the module will be
1221	  called i2c-wmt.
1222
1223config I2C_OCTEON
1224	tristate "Cavium OCTEON I2C bus support"
1225	depends on CAVIUM_OCTEON_SOC
1226	help
1227	  Say yes if you want to support the I2C serial bus on Cavium
1228	  OCTEON SOC.
1229
1230	  This driver can also be built as a module.  If so, the module
1231	  will be called i2c-octeon.
1232
1233config I2C_THUNDERX
1234	tristate "Cavium ThunderX I2C bus support"
1235	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1236	select I2C_SMBUS
1237	help
1238	  Say yes if you want to support the I2C serial bus on Cavium
1239	  ThunderX SOC.
1240
1241	  This driver can also be built as a module.  If so, the module
1242	  will be called i2c-thunderx.
1243
1244config I2C_XILINX
1245	tristate "Xilinx I2C Controller"
1246	depends on HAS_IOMEM
1247	help
1248	  If you say yes to this option, support will be included for the
1249	  Xilinx I2C controller.
1250
1251	  This driver can also be built as a module.  If so, the module
1252	  will be called xilinx_i2c.
1253
1254config I2C_XLP9XX
1255	tristate "Cavium ThunderX2 I2C support"
1256	depends on ARCH_THUNDER2 || COMPILE_TEST
1257	help
1258	  This driver enables support for the on-chip I2C interface of
1259	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1260
1261	  This driver can also be built as a module.  If so, the module will
1262	  be called i2c-xlp9xx.
1263
1264config I2C_RCAR
1265	tristate "Renesas R-Car I2C Controller"
1266	depends on ARCH_RENESAS || COMPILE_TEST
1267	select I2C_SLAVE
1268	select I2C_SMBUS
1269	select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4
1270	help
1271	  If you say yes to this option, support will be included for the
1272	  R-Car I2C controller.
1273
1274	  This driver can also be built as a module.  If so, the module
1275	  will be called i2c-rcar.
1276
1277comment "External I2C/SMBus adapter drivers"
1278
1279config I2C_DIOLAN_U2C
1280	tristate "Diolan U2C-12 USB adapter"
1281	depends on USB
1282	help
1283	  If you say yes to this option, support will be included for Diolan
1284	  U2C-12, a USB to I2C interface.
1285
1286	  This driver can also be built as a module.  If so, the module
1287	  will be called i2c-diolan-u2c.
1288
1289config I2C_DLN2
1290	tristate "Diolan DLN-2 USB I2C adapter"
1291	depends on MFD_DLN2
1292	help
1293	 If you say yes to this option, support will be included for Diolan
1294	 DLN2, a USB to I2C interface.
1295
1296	 This driver can also be built as a module.  If so, the module
1297	 will be called i2c-dln2.
1298
1299config I2C_LJCA
1300	tristate "I2C functionality of Intel La Jolla Cove Adapter"
1301	depends on USB_LJCA
1302	default USB_LJCA
1303	help
1304	  If you say yes to this option, I2C functionality support of Intel
1305	  La Jolla Cove Adapter (LJCA) will be included.
1306
1307	  This driver can also be built as a module.  If so, the module
1308	  will be called i2c-ljca.
1309
1310config I2C_CP2615
1311	tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1312	depends on USB
1313	help
1314	  If you say yes to this option, support will be included for Silicon
1315	  Labs CP2615's I2C interface.
1316
1317	  This driver can also be built as a module.  If so, the module
1318	  will be called i2c-cp2615.
1319
1320config I2C_PARPORT
1321	tristate "Parallel port adapter"
1322	depends on PARPORT
1323	select I2C_ALGOBIT
1324	select I2C_SMBUS
1325	help
1326	  This supports parallel port I2C adapters such as the ones made by
1327	  Philips or Velleman, Analog Devices evaluation boards, and more.
1328	  Basically any adapter using the parallel port as an I2C bus with
1329	  no extra chipset is supported by this driver, or could be. Please
1330	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
1331
1332	  This support is also available as a module.  If so, the module
1333	  will be called i2c-parport.
1334
1335config I2C_PCI1XXXX
1336	tristate "PCI1XXXX I2C Host Adapter"
1337	depends on PCI
1338	help
1339	  If you say yes to this option, support will be included for
1340	  Microchip PCI1XXXX's I2C interface.
1341
1342	  This driver can also be built as a module. If so, the module will
1343	  be called i2c-mchp-pci1xxxx.
1344
1345config I2C_ROBOTFUZZ_OSIF
1346	tristate "RobotFuzz Open Source InterFace USB adapter"
1347	depends on USB
1348	help
1349	  If you say yes to this option, support will be included for the
1350	  RobotFuzz Open Source InterFace USB to I2C interface.
1351
1352	  This driver can also be built as a module.  If so, the module
1353	  will be called i2c-osif.
1354
1355config I2C_TAOS_EVM
1356	tristate "TAOS evaluation module"
1357	depends on TTY
1358	select SERIO
1359	select SERIO_SERPORT
1360	help
1361	  This supports TAOS evaluation modules on serial port. In order to
1362	  use this driver, you will need the inputattach tool, which is part
1363	  of the input-utils package.
1364
1365	  If unsure, say N.
1366
1367	  This support is also available as a module.  If so, the module
1368	  will be called i2c-taos-evm.
1369
1370config I2C_TINY_USB
1371	tristate "Tiny-USB adapter"
1372	depends on USB
1373	help
1374	  If you say yes to this option, support will be included for the
1375	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1376	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1377
1378	  This driver can also be built as a module.  If so, the module
1379	  will be called i2c-tiny-usb.
1380
1381config I2C_VIPERBOARD
1382	tristate "Viperboard I2C master support"
1383	depends on MFD_VIPERBOARD && USB
1384	help
1385	  Say yes here to access the I2C part of the Nano River
1386	  Technologies Viperboard as I2C master.
1387	  See viperboard API specification and Nano
1388	  River Tech's viperboard.h for detailed meaning
1389	  of the module parameters.
1390
1391comment "Other I2C/SMBus bus drivers"
1392
1393config I2C_ACORN
1394	tristate "Acorn IOC/IOMD I2C bus support"
1395	depends on ARCH_ACORN
1396	default y
1397	select I2C_ALGOBIT
1398	help
1399	  Say yes if you want to support the I2C bus on Acorn platforms.
1400
1401	  If you don't know, say Y.
1402
1403config I2C_ELEKTOR
1404	tristate "Elektor ISA card"
1405	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1406	select I2C_ALGOPCF
1407	help
1408	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1409	  such an adapter.
1410
1411	  This support is also available as a module.  If so, the module
1412	  will be called i2c-elektor.
1413
1414config I2C_ICY
1415	tristate "ICY Zorro card"
1416	depends on ZORRO
1417	select I2C_ALGOPCF
1418	help
1419	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1420	  Say Y if you own such an adapter.
1421
1422	  This support is also available as a module.  If so, the module
1423	  will be called i2c-icy.
1424
1425	  If you have a 2019 edition board with an LTC2990 sensor at address
1426	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1427
1428config I2C_MLXCPLD
1429	tristate "Mellanox I2C driver"
1430	depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
1431	depends on HAS_IOPORT
1432	help
1433	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1434	  for X86 and ARM64/ACPI based systems.
1435	  Controller is implemented as CPLD logic.
1436
1437	  This driver can also be built as a module. If so, the module will be
1438	  called as i2c-mlxcpld.
1439
1440config I2C_PCA_ISA
1441	tristate "PCA9564/PCA9665 on an ISA bus"
1442	depends on ISA
1443	select I2C_ALGOPCA
1444	help
1445	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1446	  parallel bus to I2C bus controller.
1447
1448	  This driver can also be built as a module.  If so, the module
1449	  will be called i2c-pca-isa.
1450
1451	  This device is almost undetectable and using this driver on a
1452	  system which doesn't have this device will result in long
1453	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1454	  time).  If unsure, say N.
1455
1456config I2C_SIBYTE
1457	tristate "SiByte SMBus interface"
1458	depends on SIBYTE_SB1xxx_SOC
1459	help
1460	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1461
1462config I2C_CROS_EC_TUNNEL
1463	tristate "ChromeOS EC tunnel I2C bus"
1464	depends on CROS_EC
1465	help
1466	  If you say yes here you get an I2C bus that will tunnel i2c commands
1467	  through to the other side of the ChromeOS EC to the i2c bus
1468	  connected there. This will work whatever the interface used to
1469	  talk to the EC (SPI, I2C or LPC).
1470
1471config I2C_XGENE_SLIMPRO
1472	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1473	depends on ARCH_XGENE && MAILBOX
1474	help
1475	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1476	  co-processor. The I2C device access the I2C bus via the X-Gene
1477	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1478	  If unsure, say N.
1479
1480config SCx200_ACB
1481	tristate "Geode ACCESS.bus support"
1482	depends on X86_32 && PCI
1483	help
1484	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1485	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1486
1487	  If you don't know what to do here, say N.
1488
1489	  This support is also available as a module.  If so, the module
1490	  will be called scx200_acb.
1491
1492config I2C_OPAL
1493	tristate "IBM OPAL I2C driver"
1494	depends on PPC_POWERNV
1495	default y
1496	help
1497	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1498	  the driver is based on the OPAL interfaces.
1499
1500	  This driver can also be built as a module. If so, the module will be
1501	  called as i2c-opal.
1502
1503config I2C_FSI
1504	tristate "FSI I2C driver"
1505	depends on FSI
1506	help
1507	  Driver for FSI bus attached I2C masters. These are I2C masters that
1508	  are connected to the system over an FSI bus, instead of the more
1509	  common PCI or MMIO interface.
1510
1511	  This driver can also be built as a module. If so, the module will be
1512	  called as i2c-fsi.
1513
1514config I2C_VIRTIO
1515        tristate "Virtio I2C Adapter"
1516        select VIRTIO
1517        help
1518          If you say yes to this option, support will be included for the virtio
1519          I2C adapter driver. The hardware can be emulated by any device model
1520          software according to the virtio protocol.
1521
1522          This driver can also be built as a module. If so, the module
1523          will be called i2c-virtio.
1524
1525endmenu
1526