xref: /linux/drivers/i2c/busses/Kconfig (revision ee8287e068a3995b0f8001dd6931e221dfb7c530)
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_AMD756_S4882
66	tristate "SMBus multiplexing on the Tyan S4882"
67	depends on I2C_AMD756 && X86
68	help
69	  Enabling this option will add specific SMBus support for the Tyan
70	  S4882 motherboard.  On this 4-CPU board, the SMBus is multiplexed
71	  over 8 different channels, where the various memory module EEPROMs
72	  and temperature sensors live.  Saying yes here will give you access
73	  to these in addition to the trunk.
74
75	  This driver can also be built as a module.  If so, the module
76	  will be called i2c-amd756-s4882.
77
78config I2C_AMD8111
79	tristate "AMD 8111"
80	depends on PCI && HAS_IOPORT
81	help
82	  If you say yes to this option, support will be included for the
83	  second (SMBus 2.0) AMD 8111 mainboard I2C interface.
84
85	  This driver can also be built as a module.  If so, the module
86	  will be called i2c-amd8111.
87
88config I2C_AMD_MP2
89	tristate "AMD MP2 PCIe"
90	depends on PCI && ACPI
91	help
92	  If you say yes to this option, support will be included for the AMD
93	  MP2 PCIe I2C adapter.
94
95	  This driver can also be built as modules.  If so, the modules will
96	  be called i2c-amd-mp2-pci and i2c-amd-mp2-plat.
97
98config I2C_HIX5HD2
99	tristate "Hix5hd2 high-speed I2C driver"
100	depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
101	help
102	  Say Y here to include support for the high-speed I2C controller
103	  used in HiSilicon hix5hd2 SoCs.
104
105	  This driver can also be built as a module. If so, the module
106	  will be called i2c-hix5hd2.
107
108config I2C_I801
109	tristate "Intel 82801 (ICH/PCH)"
110	depends on PCI && HAS_IOPORT
111	select P2SB if X86
112	select CHECK_SIGNATURE if X86 && DMI
113	select I2C_SMBUS
114	help
115	  If you say yes to this option, support will be included for the Intel
116	  801 family of mainboard I2C interfaces.  Specifically, the following
117	  versions of the chipset are supported:
118	    82801AA
119	    82801AB
120	    82801BA
121	    82801CA/CAM
122	    82801DB
123	    82801EB/ER (ICH5/ICH5R)
124	    6300ESB
125	    ICH6
126	    ICH7
127	    ESB2
128	    ICH8
129	    ICH9
130	    EP80579 (Tolapai)
131	    ICH10
132	    5/3400 Series (PCH)
133	    6 Series (PCH)
134	    Patsburg (PCH)
135	    DH89xxCC (PCH)
136	    Panther Point (PCH)
137	    Lynx Point (PCH)
138	    Avoton (SOC)
139	    Wellsburg (PCH)
140	    Coleto Creek (PCH)
141	    Wildcat Point (PCH)
142	    BayTrail (SOC)
143	    Braswell (SOC)
144	    Sunrise Point (PCH)
145	    Kaby Lake (PCH)
146	    DNV (SOC)
147	    Broxton (SOC)
148	    Lewisburg (PCH)
149	    Gemini Lake (SOC)
150	    Cannon Lake (PCH)
151	    Cedar Fork (PCH)
152	    Ice Lake (PCH)
153	    Comet Lake (PCH)
154	    Elkhart Lake (PCH)
155	    Tiger Lake (PCH)
156	    Jasper Lake (SOC)
157	    Emmitsburg (PCH)
158	    Alder Lake (PCH)
159	    Raptor Lake (PCH)
160	    Meteor Lake (SOC and PCH)
161	    Birch Stream (SOC)
162
163	  This driver can also be built as a module.  If so, the module
164	  will be called i2c-i801.
165
166config I2C_I801_MUX
167	def_bool I2C_I801
168	depends on DMI && I2C_MUX_GPIO
169	depends on !(I2C_I801=y && I2C_MUX=m)
170	help
171	  Optional support for multiplexed SMBUS on certain systems with
172	  more than 8 memory slots.
173
174config I2C_ISCH
175	tristate "Intel SCH SMBus 1.0"
176	depends on PCI && HAS_IOPORT
177	select LPC_SCH
178	help
179	  Say Y here if you want to use SMBus controller on the Intel SCH
180	  based systems.
181
182	  This driver can also be built as a module. If so, the module
183	  will be called i2c-isch.
184
185config I2C_ISMT
186	tristate "Intel iSMT SMBus Controller"
187	depends on PCI && X86
188	help
189	  If you say yes to this option, support will be included for the Intel
190	  iSMT SMBus host controller interface.
191
192	  This driver can also be built as a module.  If so, the module will be
193	  called i2c-ismt.
194
195config I2C_PIIX4
196	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
197	depends on PCI && HAS_IOPORT
198	help
199	  If you say yes to this option, support will be included for the Intel
200	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
201	  versions of the chipset are supported (note that Serverworks is part
202	  of Broadcom):
203	    Intel PIIX4
204	    Intel 440MX
205	    ATI IXP200
206	    ATI IXP300
207	    ATI IXP400
208	    ATI SB600
209	    ATI SB700/SP5100
210	    ATI SB800
211	    AMD Hudson-2
212	    AMD ML
213	    AMD CZ
214	    Hygon CZ
215	    Serverworks OSB4
216	    Serverworks CSB5
217	    Serverworks CSB6
218	    Serverworks HT-1000
219	    Serverworks HT-1100
220	    SMSC Victory66
221
222	  Some AMD chipsets contain two PIIX4-compatible SMBus
223	  controllers. This driver will attempt to use both controllers
224	  on the SB700/SP5100, if they have been initialized by the BIOS.
225
226	  This driver can also be built as a module.  If so, the module
227	  will be called i2c-piix4.
228
229config I2C_CHT_WC
230	tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
231	depends on INTEL_SOC_PMIC_CHTWC
232	help
233	  If you say yes to this option, support will be included for the
234	  SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
235	  found on some Intel Cherry Trail systems.
236
237	  Note this controller is hooked up to a TI bq24292i charger-IC,
238	  combined with a FUSB302 Type-C port-controller as such it is advised
239	  to also select CONFIG_TYPEC_FUSB302=m.
240
241config I2C_NFORCE2
242	tristate "Nvidia nForce2, nForce3 and nForce4"
243	depends on PCI && HAS_IOPORT
244	help
245	  If you say yes to this option, support will be included for the Nvidia
246	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
247
248	  This driver can also be built as a module.  If so, the module
249	  will be called i2c-nforce2.
250
251config I2C_NFORCE2_S4985
252	tristate "SMBus multiplexing on the Tyan S4985"
253	depends on I2C_NFORCE2 && X86
254	help
255	  Enabling this option will add specific SMBus support for the Tyan
256	  S4985 motherboard.  On this 4-CPU board, the SMBus is multiplexed
257	  over 4 different channels, where the various memory module EEPROMs
258	  live.  Saying yes here will give you access to these in addition
259	  to the trunk.
260
261	  This driver can also be built as a module.  If so, the module
262	  will be called i2c-nforce2-s4985.
263
264config I2C_NVIDIA_GPU
265	tristate "NVIDIA GPU I2C controller"
266	depends on PCI
267	select I2C_CCGX_UCSI
268	help
269	  If you say yes to this option, support will be included for the
270	  NVIDIA GPU I2C controller which is used to communicate with the GPU's
271	  Type-C controller. This driver can also be built as a module called
272	  i2c-nvidia-gpu.
273
274config I2C_SIS5595
275	tristate "SiS 5595"
276	depends on PCI && HAS_IOPORT
277	help
278	  If you say yes to this option, support will be included for the
279	  SiS5595 SMBus (a subset of I2C) interface.
280
281	  This driver can also be built as a module.  If so, the module
282	  will be called i2c-sis5595.
283
284config I2C_SIS630
285	tristate "SiS 630/730/964"
286	depends on PCI && HAS_IOPORT
287	help
288	  If you say yes to this option, support will be included for the
289	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
290
291	  This driver can also be built as a module.  If so, the module
292	  will be called i2c-sis630.
293
294config I2C_SIS96X
295	tristate "SiS 96x"
296	depends on PCI && HAS_IOPORT
297	help
298	  If you say yes to this option, support will be included for the SiS
299	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
300	  chipsets are supported:
301	    645/961
302	    645DX/961
303	    645DX/962
304	    648/961
305	    650/961
306	    735
307	    745
308
309	  This driver can also be built as a module.  If so, the module
310	  will be called i2c-sis96x.
311
312config I2C_VIA
313	tristate "VIA VT82C586B"
314	depends on PCI && HAS_IOPORT
315	select I2C_ALGOBIT
316	help
317	  If you say yes to this option, support will be included for the VIA
318	  82C586B I2C interface
319
320	  This driver can also be built as a module.  If so, the module
321	  will be called i2c-via.
322
323config I2C_VIAPRO
324	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
325	depends on PCI && HAS_IOPORT
326	help
327	  If you say yes to this option, support will be included for the VIA
328	  VT82C596 and later SMBus interface.  Specifically, the following
329	  chipsets are supported:
330	    VT82C596A/B
331	    VT82C686A/B
332	    VT8231
333	    VT8233/A
334	    VT8235
335	    VT8237R/A/S
336	    VT8251
337	    CX700
338	    VX800/VX820
339	    VX855/VX875
340	    VX900
341
342	  This driver can also be built as a module.  If so, the module
343	  will be called i2c-viapro.
344
345if ACPI
346
347config I2C_ZHAOXIN
348	tristate "Zhaoxin I2C Interface"
349	depends on PCI || COMPILE_TEST
350	help
351	  If you say yes to this option, support will be included for the
352	  ZHAOXIN I2C interface
353
354	  This driver can also be built as a module. If so, the module
355	  will be called i2c-zhaoxin.
356
357comment "ACPI drivers"
358
359config I2C_SCMI
360	tristate "SMBus Control Method Interface"
361	help
362	  This driver supports the SMBus Control Method Interface. It needs the
363	  BIOS to declare ACPI control methods as described in the SMBus Control
364	  Method Interface specification.
365
366	  To compile this driver as a module, choose M here:
367	  the module will be called i2c-scmi.
368
369endif # ACPI
370
371comment "Mac SMBus host controller drivers"
372	depends on PPC_CHRP || PPC_PMAC
373
374config I2C_HYDRA
375	tristate "CHRP Apple Hydra Mac I/O I2C interface"
376	depends on PCI && PPC_CHRP
377	select I2C_ALGOBIT
378	help
379	  This supports the use of the I2C interface in the Apple Hydra Mac
380	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
381	  have such a machine.
382
383	  This support is also available as a module.  If so, the module
384	  will be called i2c-hydra.
385
386config I2C_POWERMAC
387	tristate "Powermac I2C interface"
388	depends on PPC_PMAC
389	default y
390	help
391	  This exposes the various PowerMac i2c interfaces to the linux i2c
392	  layer and to userland. It is used by various drivers on the PowerMac
393	  platform, and should generally be enabled.
394
395	  This support is also available as a module.  If so, the module
396	  will be called i2c-powermac.
397
398comment "I2C system bus drivers (mostly embedded / system-on-chip)"
399
400config I2C_ALTERA
401	tristate "Altera Soft IP I2C"
402	depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
403	depends on OF
404	help
405	  If you say yes to this option, support will be included for the
406	  Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
407
408	  This driver can also be built as a module.  If so, the module
409	  will be called i2c-altera.
410
411config I2C_ASPEED
412	tristate "Aspeed I2C Controller"
413	depends on ARCH_ASPEED || COMPILE_TEST
414	help
415	  If you say yes to this option, support will be included for the
416	  Aspeed I2C controller.
417
418	  This driver can also be built as a module.  If so, the module
419	  will be called i2c-aspeed.
420
421config I2C_AT91
422	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
423	depends on ARCH_AT91 || COMPILE_TEST
424	help
425	  This supports the use of the I2C interface on Atmel AT91
426	  processors.
427
428	  A serious problem is that there is no documented way to issue
429	  repeated START conditions for more than two messages, as needed
430	  to support combined I2C messages.  Use the i2c-gpio driver
431	  unless your system can cope with this limitation.
432
433	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
434	  don't have clock stretching in transmission mode. For that reason,
435	  you can encounter underrun issues causing premature stop sendings if
436	  the latency to fill the transmission register is too long. If you
437	  are facing this situation, use the i2c-gpio driver.
438
439config I2C_AT91_SLAVE_EXPERIMENTAL
440	tristate "Microchip AT91 I2C experimental slave mode"
441	depends on I2C_AT91
442	select I2C_SLAVE
443	help
444	  If you say yes to this option, support for the slave mode will be
445	  added. Caution: do not use it for production. This feature has not
446	  been tested in a heavy way, help wanted.
447	  There are known bugs:
448	    - It can hang, on a SAMA5D4, after several transfers.
449	    - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as
450	    master.
451
452config I2C_AU1550
453	tristate "Au1550/Au1200/Au1300 SMBus interface"
454	depends on MIPS_ALCHEMY
455	help
456	  If you say yes to this option, support will be included for the
457	  Au1550/Au1200/Au1300 SMBus interface.
458
459	  This driver can also be built as a module.  If so, the module
460	  will be called i2c-au1550.
461
462config I2C_AXXIA
463	tristate "Axxia I2C controller"
464	depends on ARCH_AXXIA || COMPILE_TEST
465	default ARCH_AXXIA
466	select I2C_SLAVE
467	help
468	  Say yes if you want to support the I2C bus on Axxia platforms.
469
470	  Please note that this controller is limited to transfers of maximum
471	  255 bytes in length. Any attempt to to a larger transfer will return
472	  an error.
473
474config I2C_BCM2835
475	tristate "Broadcom BCM2835 I2C controller"
476	depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
477	depends on COMMON_CLK
478	help
479	  If you say yes to this option, support will be included for the
480	  BCM2835 I2C controller.
481
482	  If you don't know what to do here, say N.
483
484	  This support is also available as a module.  If so, the module
485	  will be called i2c-bcm2835.
486
487config I2C_BCM_IPROC
488	tristate "Broadcom iProc I2C controller"
489	depends on ARCH_BCM_IPROC || COMPILE_TEST
490	default ARCH_BCM_IPROC
491	select I2C_SLAVE
492	help
493	  If you say yes to this option, support will be included for the
494	  Broadcom iProc I2C controller.
495
496	  If you don't know what to do here, say N.
497
498config I2C_BCM_KONA
499	tristate "BCM Kona I2C adapter"
500	depends on ARCH_BCM_MOBILE || COMPILE_TEST
501	default y if ARCH_BCM_MOBILE
502	help
503	  If you say yes to this option, support will be included for the
504	  I2C interface on the Broadcom Kona family of processors.
505
506	  If you do not need KONA I2C interface, say N.
507
508config I2C_BRCMSTB
509	tristate "BRCM Settop/DSL I2C controller"
510	depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \
511		   BMIPS_GENERIC || COMPILE_TEST
512	default y
513	help
514	  If you say yes to this option, support will be included for the
515	  I2C interface on the Broadcom Settop/DSL SoCs.
516
517	  If you do not need I2C interface, say N.
518
519config I2C_CADENCE
520	tristate "Cadence I2C Controller"
521	depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST
522	help
523	  Say yes here to select Cadence I2C Host Controller. This controller is
524	  e.g. used by Xilinx Zynq.
525
526config I2C_CBUS_GPIO
527	tristate "CBUS I2C driver"
528	depends on GPIOLIB || COMPILE_TEST
529	help
530	  Support for CBUS access using I2C API. Mostly relevant for Nokia
531	  Internet Tablets (770, N800 and N810).
532
533	  This driver can also be built as a module.  If so, the module
534	  will be called i2c-cbus-gpio.
535
536config I2C_CPM
537	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
538	depends on CPM1 || CPM2
539	help
540	  This supports the use of the I2C interface on Freescale
541	  processors with CPM1 or CPM2.
542
543	  This driver can also be built as a module.  If so, the module
544	  will be called i2c-cpm.
545
546config I2C_DAVINCI
547	tristate "DaVinci I2C driver"
548	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
549	help
550	  Support for TI DaVinci I2C controller driver.
551
552	  This driver can also be built as a module.  If so, the module
553	  will be called i2c-davinci.
554
555	  Please note that this driver might be needed to bring up other
556	  devices such as DaVinci NIC.
557	  For details please see http://www.ti.com/davinci
558
559config I2C_DESIGNWARE_CORE
560	tristate
561	select REGMAP
562
563config I2C_DESIGNWARE_SLAVE
564	bool "Synopsys DesignWare Slave"
565	depends on I2C_DESIGNWARE_CORE
566	select I2C_SLAVE
567	help
568	  If you say yes to this option, support will be included for the
569	  Synopsys DesignWare I2C slave adapter.
570
571	  This is not a standalone module, this module compiles together with
572	  i2c-designware-core.
573
574config I2C_DESIGNWARE_PLATFORM
575	tristate "Synopsys DesignWare Platform"
576	depends on (ACPI && COMMON_CLK) || !ACPI
577	select I2C_DESIGNWARE_CORE
578	select MFD_SYSCON if MIPS_BAIKAL_T1
579	help
580	  If you say yes to this option, support will be included for the
581	  Synopsys DesignWare I2C adapter.
582
583	  This driver can also be built as a module.  If so, the module
584	  will be called i2c-designware-platform.
585
586config I2C_DESIGNWARE_AMDPSP
587	bool "AMD PSP I2C semaphore support"
588	depends on ACPI
589	depends on CRYPTO_DEV_SP_PSP
590	depends on PCI
591	depends on I2C_DESIGNWARE_PLATFORM
592	depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \
593		   (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD)
594	help
595	  This driver enables managed host access to the selected I2C bus shared
596	  between AMD CPU and AMD PSP.
597
598	  You should say Y if running on an AMD system equipped with the PSP.
599
600config I2C_DESIGNWARE_BAYTRAIL
601	bool "Intel Baytrail I2C semaphore support"
602	depends on ACPI
603	depends on I2C_DESIGNWARE_PLATFORM
604	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
605		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
606	help
607	  This driver enables managed host access to the PMIC I2C bus on select
608	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
609	  the host to request uninterrupted access to the PMIC's I2C bus from
610	  the platform firmware controlling it. You should say Y if running on
611	  a BayTrail system using the AXP288.
612
613config I2C_DESIGNWARE_PCI
614	tristate "Synopsys DesignWare PCI"
615	depends on PCI
616	select I2C_DESIGNWARE_CORE
617	select I2C_CCGX_UCSI
618	help
619	  If you say yes to this option, support will be included for the
620	  Synopsys DesignWare I2C adapter. Only master mode is supported.
621
622	  This driver can also be built as a module.  If so, the module
623	  will be called i2c-designware-pci.
624
625config I2C_DIGICOLOR
626	tristate "Conexant Digicolor I2C driver"
627	depends on ARCH_DIGICOLOR || COMPILE_TEST
628	help
629	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
630
631	  This driver can also be built as a module.  If so, the module
632	  will be called i2c-digicolor.
633
634config I2C_EG20T
635	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
636	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
637	help
638	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
639	  is an IOH(Input/Output Hub) for x86 embedded processor.
640	  This driver can access PCH I2C bus device.
641
642	  This driver also can be used for LAPIS Semiconductor IOH(Input/
643	  Output Hub), ML7213, ML7223 and ML7831.
644	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
645	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
646	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
647	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
648
649config I2C_EMEV2
650	tristate "EMMA Mobile series I2C adapter"
651	depends on HAVE_CLK
652	select I2C_SLAVE
653	help
654	  If you say yes to this option, support will be included for the
655	  I2C interface on the Renesas Electronics EM/EV family of processors.
656
657config I2C_EXYNOS5
658	tristate "Exynos high-speed I2C driver"
659	depends on OF
660	depends on ARCH_EXYNOS || COMPILE_TEST
661	default y if ARCH_EXYNOS
662	help
663	  High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
664	  Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
665	  Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
666	  Choose Y here only if you build for such Samsung SoC.
667
668config I2C_GPIO
669	tristate "GPIO-based bitbanging I2C"
670	depends on GPIOLIB || COMPILE_TEST
671	select I2C_ALGOBIT
672	help
673	  This is a very simple bitbanging I2C driver utilizing the
674	  arch-neutral GPIO API to control the SCL and SDA lines.
675
676config I2C_GPIO_FAULT_INJECTOR
677	bool "GPIO-based fault injector"
678	depends on I2C_GPIO
679	help
680	  This adds some functionality to the i2c-gpio driver which can inject
681	  faults to an I2C bus, so another bus master can be stress-tested.
682	  This is for debugging. If unsure, say 'no'.
683
684config I2C_GXP
685	tristate "GXP I2C Interface"
686	depends on ARCH_HPE_GXP || COMPILE_TEST
687	help
688	  This enables support for GXP I2C interface. The I2C engines can be
689	  either I2C master or I2C slaves.
690
691config I2C_HIGHLANDER
692	tristate "Highlander FPGA SMBus interface"
693	depends on SH_HIGHLANDER || COMPILE_TEST
694	help
695	  If you say yes to this option, support will be included for
696	  the SMBus interface located in the FPGA on various Highlander
697	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
698	  FPGAs. This is wholly unrelated to the SoC I2C.
699
700	  This driver can also be built as a module.  If so, the module
701	  will be called i2c-highlander.
702
703config I2C_HISI
704	tristate "HiSilicon I2C controller"
705	depends on ARM64 || COMPILE_TEST
706	help
707	  Say Y here if you want to have Hisilicon I2C controller support
708	  available on the Kunpeng Server.
709
710	  This driver can also be built as a module. If so, the module
711	  will be called i2c-hisi.
712
713config I2C_IBM_IIC
714	tristate "IBM PPC 4xx on-chip I2C interface"
715	depends on 4xx
716	help
717	  Say Y here if you want to use IIC peripheral found on
718	  embedded IBM PPC 4xx based systems.
719
720	  This driver can also be built as a module.  If so, the module
721	  will be called i2c-ibm_iic.
722
723config I2C_IMG
724	tristate "Imagination Technologies I2C SCB Controller"
725	depends on MIPS || COMPILE_TEST
726	help
727	  Say Y here if you want to use the IMG I2C SCB controller,
728	  available on the TZ1090 and other IMG SoCs.
729
730	  This driver can also be built as a module.  If so, the module
731	  will be called i2c-img-scb.
732
733config I2C_IMX
734	tristate "IMX I2C interface"
735	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST
736	select I2C_SLAVE
737	help
738	  Say Y here if you want to use the IIC bus controller on
739	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
740
741	  This driver can also be built as a module.  If so, the module
742	  will be called i2c-imx.
743
744config I2C_IMX_LPI2C
745	tristate "IMX Low Power I2C interface"
746	depends on ARCH_MXC || COMPILE_TEST
747	help
748	  Say Y here if you want to use the Low Power IIC bus controller
749	  on the Freescale i.MX processors.
750
751	  This driver can also be built as a module. If so, the module
752	  will be called i2c-imx-lpi2c.
753
754config I2C_IOP3XX
755	tristate "Intel IXP4xx on-chip I2C interface"
756	depends on ARCH_IXP4XX || COMPILE_TEST
757	help
758	  Say Y here if you want to use the IIC bus controller on
759	  the Intel IXP4xx Network Processors.
760
761	  This driver can also be built as a module.  If so, the module
762	  will be called i2c-iop3xx.
763
764config I2C_JZ4780
765	tristate "JZ4780 I2C controller interface support"
766	depends on MIPS || COMPILE_TEST
767	help
768	 If you say yes to this option, support will be included for the
769	 Ingenic JZ4780 I2C controller.
770
771	 If you don't know what to do here, say N.
772
773config I2C_KEMPLD
774	tristate "Kontron COM I2C Controller"
775	depends on MFD_KEMPLD
776	help
777	  This enables support for the I2C bus interface on some Kontron ETX
778	  and COMexpress (ETXexpress) modules.
779
780	  This driver can also be built as a module. If so, the module
781	  will be called i2c-kempld.
782
783config I2C_LPC2K
784	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
785	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
786	help
787	  This driver supports the I2C interface found several NXP
788	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
789
790	  This driver can also be built as a module.  If so, the module
791	  will be called i2c-lpc2k.
792
793config I2C_LS2X
794	tristate "Loongson LS2X I2C adapter"
795	depends on MACH_LOONGSON64 || COMPILE_TEST
796	help
797	  If you say yes to this option, support will be included for the
798	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
799	  chip.
800
801	  This driver can also be built as a module. If so, the module
802	  will be called i2c-ls2x.
803
804config I2C_MLXBF
805        tristate "Mellanox BlueField I2C controller"
806        depends on MELLANOX_PLATFORM && ARM64
807	depends on ACPI
808	select I2C_SLAVE
809        help
810          Enabling this option will add I2C SMBus support for Mellanox BlueField
811          system.
812
813          This driver can also be built as a module. If so, the module will be
814          called i2c-mlxbf.
815
816          This driver implements an I2C SMBus host controller and enables both
817          master and slave functions.
818
819config I2C_MESON
820	tristate "Amlogic Meson I2C controller"
821	depends on ARCH_MESON || COMPILE_TEST
822	depends on COMMON_CLK
823	help
824	  If you say yes to this option, support will be included for the
825	  I2C interface on the Amlogic Meson family of SoCs.
826
827config I2C_MICROCHIP_CORE
828	tristate "Microchip FPGA I2C controller"
829	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
830	depends on OF
831	help
832	  If you say yes to this option, support will be included for the
833	  I2C interface on Microchip FPGAs.
834
835	  This driver can also be built as a module. If so, the module will be
836	  called i2c-microchip-core.
837
838config I2C_MPC
839	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
840	depends on PPC
841	help
842	  If you say yes to this option, support will be included for the
843	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
844	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
845
846	  This driver can also be built as a module.  If so, the module
847	  will be called i2c-mpc.
848
849config I2C_MT65XX
850	tristate "MediaTek I2C adapter"
851	depends on ARCH_MEDIATEK || COMPILE_TEST
852	help
853	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
854	  for MT65xx and MT81xx.
855	  If you want to use MediaTek(R) I2C interface, say Y or M here.
856	  If unsure, say N.
857
858config I2C_MT7621
859	tristate "MT7621/MT7628 I2C Controller"
860	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST
861	help
862	  Say Y here to include support for I2C controller in the
863	  MediaTek MT7621/MT7628 SoCs.
864
865config I2C_MV64XXX
866	tristate "Marvell mv64xxx I2C Controller"
867	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
868	help
869	  If you say yes to this option, support will be included for the
870	  built-in I2C interface on the Marvell 64xxx line of host bridges.
871	  This driver is also used for Allwinner SoCs I2C controllers.
872
873	  This driver can also be built as a module.  If so, the module
874	  will be called i2c-mv64xxx.
875
876config I2C_MXS
877	tristate "Freescale i.MX28 I2C interface"
878	depends on SOC_IMX28 || COMPILE_TEST
879	select STMP_DEVICE
880	help
881	  Say Y here if you want to use the I2C bus controller on
882	  the Freescale i.MX28 processors.
883
884	  This driver can also be built as a module.  If so, the module
885	  will be called i2c-mxs.
886
887config I2C_NOMADIK
888	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
889	depends on ARM_AMBA
890	help
891	  If you say yes to this option, support will be included for the
892	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
893	  as well as the STA2X11 PCIe I/O HUB.
894
895config I2C_NPCM
896	tristate "Nuvoton I2C Controller"
897	depends on ARCH_NPCM || COMPILE_TEST
898	help
899	  If you say yes to this option, support will be included for the
900	  Nuvoton I2C controller, which is available on the NPCM BMC
901	  controllers.
902	  Driver can also support slave mode (select I2C_SLAVE).
903
904config I2C_OCORES
905	tristate "OpenCores I2C Controller"
906	help
907	  If you say yes to this option, support will be included for the
908	  OpenCores I2C controller. For details see
909	  http://www.opencores.org/projects.cgi/web/i2c/overview
910
911	  This driver can also be built as a module.  If so, the module
912	  will be called i2c-ocores.
913
914config I2C_OMAP
915	tristate "OMAP I2C adapter"
916	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
917	default MACH_OMAP_OSK
918	help
919	  If you say yes to this option, support will be included for the
920	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
921	  Like OMAP1510/1610/1710/5912 and OMAP242x.
922	  For details see http://www.ti.com/omap.
923
924config I2C_OWL
925	tristate "Actions Semiconductor Owl I2C Controller"
926	depends on ARCH_ACTIONS || COMPILE_TEST
927	help
928	  Say Y here if you want to use the I2C bus controller on
929	  the Actions Semiconductor Owl SoC's.
930
931config I2C_PASEMI
932	tristate "PA Semi SMBus interface"
933	depends on PPC_PASEMI && PCI
934	help
935	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
936
937config I2C_APPLE
938	tristate "Apple SMBus platform driver"
939	depends on !I2C_PASEMI
940	depends on ARCH_APPLE || COMPILE_TEST
941	default ARCH_APPLE
942	help
943	  Say Y here if you want to use the I2C controller present on Apple
944	  Silicon chips such as the M1.
945
946	  This driver can also be built as a module. If so, the module
947	  will be called i2c-apple.
948
949config I2C_PCA_PLATFORM
950	tristate "PCA9564/PCA9665 as platform device"
951	select I2C_ALGOPCA
952	help
953	  This driver supports a memory mapped Philips PCA9564/PCA9665
954	  parallel bus to I2C bus controller.
955
956	  This driver can also be built as a module.  If so, the module
957	  will be called i2c-pca-platform.
958
959config I2C_PNX
960	tristate "I2C bus support for Philips PNX and NXP LPC targets"
961	depends on ARCH_LPC32XX || COMPILE_TEST
962	help
963	  This driver supports the Philips IP3204 I2C IP block master and/or
964	  slave controller
965
966	  This driver can also be built as a module.  If so, the module
967	  will be called i2c-pnx.
968
969config I2C_PXA
970	tristate "Intel PXA2XX I2C adapter"
971	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
972	help
973	  If you have devices in the PXA I2C bus, say yes to this option.
974	  This driver can also be built as a module.  If so, the module
975	  will be called i2c-pxa.
976
977config I2C_PXA_PCI
978	def_bool I2C_PXA && X86_32 && PCI && OF
979
980config I2C_PXA_SLAVE
981	bool "Intel PXA2XX I2C Slave comms support"
982	depends on I2C_PXA && !X86_32
983	select I2C_SLAVE
984	help
985	  Support I2C slave mode communications on the PXA I2C bus.  This
986	  is necessary for systems where the PXA may be a target on the
987	  I2C bus.
988
989config I2C_QCOM_CCI
990	tristate "Qualcomm Camera Control Interface"
991	depends on ARCH_QCOM || COMPILE_TEST
992	help
993	  If you say yes to this option, support will be included for the
994	  built-in camera control interface on the Qualcomm SoCs.
995
996	  This driver can also be built as a module.  If so, the module
997	  will be called i2c-qcom-cci.
998
999config I2C_QCOM_GENI
1000	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
1001	depends on ARCH_QCOM || COMPILE_TEST
1002	depends on QCOM_GENI_SE
1003	help
1004	  This driver supports GENI serial engine based I2C controller in
1005	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
1006	  yes to this option, support will be included for the built-in I2C
1007	  interface on the Qualcomm Technologies Inc.'s SoCs.
1008
1009	  This driver can also be built as a module.  If so, the module
1010	  will be called i2c-qcom-geni.
1011
1012config I2C_QUP
1013	tristate "Qualcomm QUP based I2C controller"
1014	depends on ARCH_QCOM || COMPILE_TEST
1015	help
1016	  If you say yes to this option, support will be included for the
1017	  built-in I2C interface on the Qualcomm SoCs.
1018
1019	  This driver can also be built as a module.  If so, the module
1020	  will be called i2c-qup.
1021
1022config I2C_RIIC
1023	tristate "Renesas RIIC adapter"
1024	depends on ARCH_RENESAS || COMPILE_TEST
1025	help
1026	  If you say yes to this option, support will be included for the
1027	  Renesas RIIC I2C interface.
1028
1029	  This driver can also be built as a module.  If so, the module
1030	  will be called i2c-riic.
1031
1032config I2C_RK3X
1033	tristate "Rockchip RK3xxx I2C adapter"
1034	depends on OF && COMMON_CLK
1035	help
1036	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
1037	  SoCs.
1038
1039	  This driver can also be built as a module. If so, the module will
1040	  be called i2c-rk3x.
1041
1042config I2C_RZV2M
1043	tristate "Renesas RZ/V2M adapter"
1044	depends on ARCH_RENESAS || COMPILE_TEST
1045	help
1046	  If you say yes to this option, support will be included for the
1047	  Renesas RZ/V2M I2C interface.
1048
1049	  This driver can also be built as a module.  If so, the module
1050	  will be called i2c-rzv2m.
1051
1052config I2C_S3C2410
1053	tristate "S3C/Exynos I2C Driver"
1054	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
1055	help
1056	  Say Y here to include support for I2C controller in the
1057	  Samsung SoCs (S3C, S5Pv210, Exynos).
1058
1059config I2C_SH7760
1060	tristate "Renesas SH7760 I2C Controller"
1061	depends on CPU_SUBTYPE_SH7760
1062	help
1063	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
1064
1065	  This driver can also be built as a module.  If so, the module
1066	  will be called i2c-sh7760.
1067
1068config I2C_SH_MOBILE
1069	tristate "SuperH Mobile I2C Controller"
1070	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
1071	help
1072	  If you say yes to this option, support will be included for the
1073	  built-in I2C interface on the Renesas SH-Mobile processor.
1074
1075	  This driver can also be built as a module.  If so, the module
1076	  will be called i2c-sh_mobile.
1077
1078config I2C_SIMTEC
1079	tristate "Simtec Generic I2C interface"
1080	select I2C_ALGOBIT
1081	help
1082	  If you say yes to this option, support will be included for
1083	  the Simtec Generic I2C interface. This driver is for the
1084	  simple I2C bus used on newer Simtec products for general
1085	  I2C, such as DDC on the Simtec BBD2016A.
1086
1087	  This driver can also be built as a module. If so, the module
1088	  will be called i2c-simtec.
1089
1090config I2C_SPRD
1091	tristate "Spreadtrum I2C interface"
1092	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1093	depends on COMMON_CLK
1094	help
1095	  If you say yes to this option, support will be included for the
1096	  Spreadtrum I2C interface.
1097
1098config I2C_ST
1099	tristate "STMicroelectronics SSC I2C support"
1100	depends on ARCH_STI || COMPILE_TEST
1101	help
1102	  Enable this option to add support for STMicroelectronics SoCs
1103	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
1104
1105	  This driver can also be built as module. If so, the module
1106	  will be called i2c-st.
1107
1108config I2C_STM32F4
1109	tristate "STMicroelectronics STM32F4 I2C support"
1110	depends on ARCH_STM32 || COMPILE_TEST
1111	help
1112	  Enable this option to add support for STM32 I2C controller embedded
1113	  in STM32F4 SoCs.
1114
1115	  This driver can also be built as module. If so, the module
1116	  will be called i2c-stm32f4.
1117
1118config I2C_STM32F7
1119	tristate "STMicroelectronics STM32F7 I2C support"
1120	depends on ARCH_STM32 || COMPILE_TEST
1121	select I2C_SLAVE
1122	select I2C_SMBUS
1123	help
1124	  Enable this option to add support for STM32 I2C controller embedded
1125	  in STM32F7 SoCs.
1126
1127	  This driver can also be built as module. If so, the module
1128	  will be called i2c-stm32f7.
1129
1130config I2C_SUN6I_P2WI
1131	tristate "Allwinner sun6i internal P2WI controller"
1132	depends on RESET_CONTROLLER
1133	depends on MACH_SUN6I || COMPILE_TEST
1134	help
1135	  If you say yes to this option, support will be included for the
1136	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1137	  SOCs.
1138	  The P2WI looks like an SMBus controller (which supports only byte
1139	  accesses), except that it only supports one slave device.
1140	  This interface is used to connect to specific PMIC devices (like the
1141	  AXP221).
1142
1143config I2C_SYNQUACER
1144	tristate "Socionext SynQuacer I2C controller"
1145	depends on ARCH_SYNQUACER || COMPILE_TEST
1146	help
1147	  Say Y here to include support for the I2C controller used in some
1148	  Fujitsu and Socionext SoCs.
1149
1150	  This driver can also be built as a module. If so, the module
1151	  will be called i2c-synquacer.
1152
1153config I2C_TEGRA
1154	tristate "NVIDIA Tegra internal I2C controller"
1155	depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
1156	# COMPILE_TEST needs architectures with readsX()/writesX() primitives
1157	help
1158	  If you say yes to this option, support will be included for the
1159	  I2C controller embedded in NVIDIA Tegra SOCs
1160
1161config I2C_TEGRA_BPMP
1162	tristate "NVIDIA Tegra BPMP I2C controller"
1163	depends on TEGRA_BPMP || COMPILE_TEST
1164	default y if TEGRA_BPMP
1165	help
1166	  If you say yes to this option, support will be included for the I2C
1167	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1168
1169	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1170	  of the BPMP firmware, and this driver merely communicates with that
1171	  real driver.
1172
1173config I2C_UNIPHIER
1174	tristate "UniPhier FIFO-less I2C controller"
1175	depends on ARCH_UNIPHIER || COMPILE_TEST
1176	help
1177	  If you say yes to this option, support will be included for
1178	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1179	  or older UniPhier SoCs.
1180
1181config I2C_UNIPHIER_F
1182	tristate "UniPhier FIFO-builtin I2C controller"
1183	depends on ARCH_UNIPHIER || COMPILE_TEST
1184	help
1185	  If you say yes to this option, support will be included for
1186	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1187	  PH1-Pro5, or newer UniPhier SoCs.
1188
1189config I2C_VERSATILE
1190	tristate "ARM Versatile/Realview I2C bus support"
1191	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1192	select I2C_ALGOBIT
1193	help
1194	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1195	  range of platforms.
1196
1197	  This driver can also be built as a module.  If so, the module
1198	  will be called i2c-versatile.
1199
1200config I2C_WMT
1201	tristate "Wondermedia WM8xxx SoC I2C bus support"
1202	depends on ARCH_VT8500 || COMPILE_TEST
1203	help
1204	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1205	  SoCs.
1206
1207	  This driver can also be built as a module. If so, the module will be
1208	  called i2c-wmt.
1209
1210config I2C_OCTEON
1211	tristate "Cavium OCTEON I2C bus support"
1212	depends on CAVIUM_OCTEON_SOC
1213	help
1214	  Say yes if you want to support the I2C serial bus on Cavium
1215	  OCTEON SOC.
1216
1217	  This driver can also be built as a module.  If so, the module
1218	  will be called i2c-octeon.
1219
1220config I2C_THUNDERX
1221	tristate "Cavium ThunderX I2C bus support"
1222	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1223	select I2C_SMBUS
1224	help
1225	  Say yes if you want to support the I2C serial bus on Cavium
1226	  ThunderX SOC.
1227
1228	  This driver can also be built as a module.  If so, the module
1229	  will be called i2c-thunderx.
1230
1231config I2C_XILINX
1232	tristate "Xilinx I2C Controller"
1233	depends on HAS_IOMEM
1234	help
1235	  If you say yes to this option, support will be included for the
1236	  Xilinx I2C controller.
1237
1238	  This driver can also be built as a module.  If so, the module
1239	  will be called xilinx_i2c.
1240
1241config I2C_XLP9XX
1242	tristate "Cavium ThunderX2 I2C support"
1243	depends on ARCH_THUNDER2 || COMPILE_TEST
1244	help
1245	  This driver enables support for the on-chip I2C interface of
1246	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1247
1248	  This driver can also be built as a module.  If so, the module will
1249	  be called i2c-xlp9xx.
1250
1251config I2C_RCAR
1252	tristate "Renesas R-Car I2C Controller"
1253	depends on ARCH_RENESAS || COMPILE_TEST
1254	select I2C_SLAVE
1255	select I2C_SMBUS
1256	select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4
1257	help
1258	  If you say yes to this option, support will be included for the
1259	  R-Car I2C controller.
1260
1261	  This driver can also be built as a module.  If so, the module
1262	  will be called i2c-rcar.
1263
1264comment "External I2C/SMBus adapter drivers"
1265
1266config I2C_DIOLAN_U2C
1267	tristate "Diolan U2C-12 USB adapter"
1268	depends on USB
1269	help
1270	  If you say yes to this option, support will be included for Diolan
1271	  U2C-12, a USB to I2C interface.
1272
1273	  This driver can also be built as a module.  If so, the module
1274	  will be called i2c-diolan-u2c.
1275
1276config I2C_DLN2
1277	tristate "Diolan DLN-2 USB I2C adapter"
1278	depends on MFD_DLN2
1279	help
1280	 If you say yes to this option, support will be included for Diolan
1281	 DLN2, a USB to I2C interface.
1282
1283	 This driver can also be built as a module.  If so, the module
1284	 will be called i2c-dln2.
1285
1286config I2C_LJCA
1287	tristate "I2C functionality of Intel La Jolla Cove Adapter"
1288	depends on USB_LJCA
1289	default USB_LJCA
1290	help
1291	  If you say yes to this option, I2C functionality support of Intel
1292	  La Jolla Cove Adapter (LJCA) will be included.
1293
1294	  This driver can also be built as a module.  If so, the module
1295	  will be called i2c-ljca.
1296
1297config I2C_CP2615
1298	tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1299	depends on USB
1300	help
1301	  If you say yes to this option, support will be included for Silicon
1302	  Labs CP2615's I2C interface.
1303
1304	  This driver can also be built as a module.  If so, the module
1305	  will be called i2c-cp2615.
1306
1307config I2C_PARPORT
1308	tristate "Parallel port adapter"
1309	depends on PARPORT
1310	select I2C_ALGOBIT
1311	select I2C_SMBUS
1312	help
1313	  This supports parallel port I2C adapters such as the ones made by
1314	  Philips or Velleman, Analog Devices evaluation boards, and more.
1315	  Basically any adapter using the parallel port as an I2C bus with
1316	  no extra chipset is supported by this driver, or could be. Please
1317	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
1318
1319	  This support is also available as a module.  If so, the module
1320	  will be called i2c-parport.
1321
1322config I2C_PCI1XXXX
1323	tristate "PCI1XXXX I2C Host Adapter"
1324	depends on PCI
1325	help
1326	  If you say yes to this option, support will be included for
1327	  Microchip PCI1XXXX's I2C interface.
1328
1329	  This driver can also be built as a module. If so, the module will
1330	  be called i2c-mchp-pci1xxxx.
1331
1332config I2C_ROBOTFUZZ_OSIF
1333	tristate "RobotFuzz Open Source InterFace USB adapter"
1334	depends on USB
1335	help
1336	  If you say yes to this option, support will be included for the
1337	  RobotFuzz Open Source InterFace USB to I2C interface.
1338
1339	  This driver can also be built as a module.  If so, the module
1340	  will be called i2c-osif.
1341
1342config I2C_TAOS_EVM
1343	tristate "TAOS evaluation module"
1344	depends on TTY
1345	select SERIO
1346	select SERIO_SERPORT
1347	help
1348	  This supports TAOS evaluation modules on serial port. In order to
1349	  use this driver, you will need the inputattach tool, which is part
1350	  of the input-utils package.
1351
1352	  If unsure, say N.
1353
1354	  This support is also available as a module.  If so, the module
1355	  will be called i2c-taos-evm.
1356
1357config I2C_TINY_USB
1358	tristate "Tiny-USB adapter"
1359	depends on USB
1360	help
1361	  If you say yes to this option, support will be included for the
1362	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1363	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1364
1365	  This driver can also be built as a module.  If so, the module
1366	  will be called i2c-tiny-usb.
1367
1368config I2C_VIPERBOARD
1369	tristate "Viperboard I2C master support"
1370	depends on MFD_VIPERBOARD && USB
1371	help
1372	  Say yes here to access the I2C part of the Nano River
1373	  Technologies Viperboard as I2C master.
1374	  See viperboard API specification and Nano
1375	  River Tech's viperboard.h for detailed meaning
1376	  of the module parameters.
1377
1378comment "Other I2C/SMBus bus drivers"
1379
1380config I2C_ACORN
1381	tristate "Acorn IOC/IOMD I2C bus support"
1382	depends on ARCH_ACORN
1383	default y
1384	select I2C_ALGOBIT
1385	help
1386	  Say yes if you want to support the I2C bus on Acorn platforms.
1387
1388	  If you don't know, say Y.
1389
1390config I2C_ELEKTOR
1391	tristate "Elektor ISA card"
1392	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1393	select I2C_ALGOPCF
1394	help
1395	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1396	  such an adapter.
1397
1398	  This support is also available as a module.  If so, the module
1399	  will be called i2c-elektor.
1400
1401config I2C_ICY
1402	tristate "ICY Zorro card"
1403	depends on ZORRO
1404	select I2C_ALGOPCF
1405	help
1406	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1407	  Say Y if you own such an adapter.
1408
1409	  This support is also available as a module.  If so, the module
1410	  will be called i2c-icy.
1411
1412	  If you have a 2019 edition board with an LTC2990 sensor at address
1413	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1414
1415config I2C_MLXCPLD
1416	tristate "Mellanox I2C driver"
1417	depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
1418	depends on HAS_IOPORT
1419	help
1420	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1421	  for X86 and ARM64/ACPI based systems.
1422	  Controller is implemented as CPLD logic.
1423
1424	  This driver can also be built as a module. If so, the module will be
1425	  called as i2c-mlxcpld.
1426
1427config I2C_PCA_ISA
1428	tristate "PCA9564/PCA9665 on an ISA bus"
1429	depends on ISA
1430	select I2C_ALGOPCA
1431	help
1432	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1433	  parallel bus to I2C bus controller.
1434
1435	  This driver can also be built as a module.  If so, the module
1436	  will be called i2c-pca-isa.
1437
1438	  This device is almost undetectable and using this driver on a
1439	  system which doesn't have this device will result in long
1440	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1441	  time).  If unsure, say N.
1442
1443config I2C_SIBYTE
1444	tristate "SiByte SMBus interface"
1445	depends on SIBYTE_SB1xxx_SOC
1446	help
1447	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1448
1449config I2C_CROS_EC_TUNNEL
1450	tristate "ChromeOS EC tunnel I2C bus"
1451	depends on CROS_EC
1452	help
1453	  If you say yes here you get an I2C bus that will tunnel i2c commands
1454	  through to the other side of the ChromeOS EC to the i2c bus
1455	  connected there. This will work whatever the interface used to
1456	  talk to the EC (SPI, I2C or LPC).
1457
1458config I2C_XGENE_SLIMPRO
1459	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1460	depends on ARCH_XGENE && MAILBOX
1461	help
1462	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1463	  co-processor. The I2C device access the I2C bus via the X-Gene
1464	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1465	  If unsure, say N.
1466
1467config SCx200_ACB
1468	tristate "Geode ACCESS.bus support"
1469	depends on X86_32 && PCI
1470	help
1471	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1472	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1473
1474	  If you don't know what to do here, say N.
1475
1476	  This support is also available as a module.  If so, the module
1477	  will be called scx200_acb.
1478
1479config I2C_OPAL
1480	tristate "IBM OPAL I2C driver"
1481	depends on PPC_POWERNV
1482	default y
1483	help
1484	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1485	  the driver is based on the OPAL interfaces.
1486
1487	  This driver can also be built as a module. If so, the module will be
1488	  called as i2c-opal.
1489
1490config I2C_FSI
1491	tristate "FSI I2C driver"
1492	depends on FSI
1493	help
1494	  Driver for FSI bus attached I2C masters. These are I2C masters that
1495	  are connected to the system over an FSI bus, instead of the more
1496	  common PCI or MMIO interface.
1497
1498	  This driver can also be built as a module. If so, the module will be
1499	  called as i2c-fsi.
1500
1501config I2C_VIRTIO
1502        tristate "Virtio I2C Adapter"
1503        select VIRTIO
1504        help
1505          If you say yes to this option, support will be included for the virtio
1506          I2C adapter driver. The hardware can be emulated by any device model
1507          software according to the virtio protocol.
1508
1509          This driver can also be built as a module. If so, the module
1510          will be called i2c-virtio.
1511
1512endmenu
1513