xref: /linux/drivers/i2c/busses/Kconfig (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
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	    Arrow Lake (SOC)
163
164	  This driver can also be built as a module.  If so, the module
165	  will be called i2c-i801.
166
167config I2C_I801_MUX
168	def_bool I2C_I801
169	depends on DMI && I2C_MUX_GPIO
170	depends on !(I2C_I801=y && I2C_MUX=m)
171	help
172	  Optional support for multiplexed SMBUS on certain systems with
173	  more than 8 memory slots.
174
175config I2C_ISCH
176	tristate "Intel SCH SMBus 1.0"
177	depends on PCI && HAS_IOPORT
178	select LPC_SCH
179	help
180	  Say Y here if you want to use SMBus controller on the Intel SCH
181	  based systems.
182
183	  This driver can also be built as a module. If so, the module
184	  will be called i2c-isch.
185
186config I2C_ISMT
187	tristate "Intel iSMT SMBus Controller"
188	depends on PCI && X86
189	help
190	  If you say yes to this option, support will be included for the Intel
191	  iSMT SMBus host controller interface.
192
193	  This driver can also be built as a module.  If so, the module will be
194	  called i2c-ismt.
195
196config I2C_PIIX4
197	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
198	depends on PCI && HAS_IOPORT
199	select I2C_SMBUS
200	help
201	  If you say yes to this option, support will be included for the Intel
202	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
203	  versions of the chipset are supported (note that Serverworks is part
204	  of Broadcom):
205	    Intel PIIX4
206	    Intel 440MX
207	    ATI IXP200
208	    ATI IXP300
209	    ATI IXP400
210	    ATI SB600
211	    ATI SB700/SP5100
212	    ATI SB800
213	    AMD Hudson-2
214	    AMD ML
215	    AMD CZ
216	    Hygon CZ
217	    Serverworks OSB4
218	    Serverworks CSB5
219	    Serverworks CSB6
220	    Serverworks HT-1000
221	    Serverworks HT-1100
222	    SMSC Victory66
223
224	  Some AMD chipsets contain two PIIX4-compatible SMBus
225	  controllers. This driver will attempt to use both controllers
226	  on the SB700/SP5100, if they have been initialized by the BIOS.
227
228	  This driver can also be built as a module.  If so, the module
229	  will be called i2c-piix4.
230
231config I2C_CHT_WC
232	tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
233	depends on INTEL_SOC_PMIC_CHTWC
234	help
235	  If you say yes to this option, support will be included for the
236	  SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
237	  found on some Intel Cherry Trail systems.
238
239	  Note this controller is hooked up to a TI bq24292i charger-IC,
240	  combined with a FUSB302 Type-C port-controller as such it is advised
241	  to also select CONFIG_TYPEC_FUSB302=m.
242
243config I2C_NFORCE2
244	tristate "Nvidia nForce2, nForce3 and nForce4"
245	depends on PCI && HAS_IOPORT
246	help
247	  If you say yes to this option, support will be included for the Nvidia
248	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
249
250	  This driver can also be built as a module.  If so, the module
251	  will be called i2c-nforce2.
252
253config I2C_NFORCE2_S4985
254	tristate "SMBus multiplexing on the Tyan S4985"
255	depends on I2C_NFORCE2 && X86
256	help
257	  Enabling this option will add specific SMBus support for the Tyan
258	  S4985 motherboard.  On this 4-CPU board, the SMBus is multiplexed
259	  over 4 different channels, where the various memory module EEPROMs
260	  live.  Saying yes here will give you access to these in addition
261	  to the trunk.
262
263	  This driver can also be built as a module.  If so, the module
264	  will be called i2c-nforce2-s4985.
265
266config I2C_NVIDIA_GPU
267	tristate "NVIDIA GPU I2C controller"
268	depends on PCI
269	select I2C_CCGX_UCSI
270	help
271	  If you say yes to this option, support will be included for the
272	  NVIDIA GPU I2C controller which is used to communicate with the GPU's
273	  Type-C controller. This driver can also be built as a module called
274	  i2c-nvidia-gpu.
275
276config I2C_SIS5595
277	tristate "SiS 5595"
278	depends on PCI && HAS_IOPORT
279	help
280	  If you say yes to this option, support will be included for the
281	  SiS5595 SMBus (a subset of I2C) interface.
282
283	  This driver can also be built as a module.  If so, the module
284	  will be called i2c-sis5595.
285
286config I2C_SIS630
287	tristate "SiS 630/730/964"
288	depends on PCI && HAS_IOPORT
289	help
290	  If you say yes to this option, support will be included for the
291	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
292
293	  This driver can also be built as a module.  If so, the module
294	  will be called i2c-sis630.
295
296config I2C_SIS96X
297	tristate "SiS 96x"
298	depends on PCI && HAS_IOPORT
299	help
300	  If you say yes to this option, support will be included for the SiS
301	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
302	  chipsets are supported:
303	    645/961
304	    645DX/961
305	    645DX/962
306	    648/961
307	    650/961
308	    735
309	    745
310
311	  This driver can also be built as a module.  If so, the module
312	  will be called i2c-sis96x.
313
314config I2C_VIA
315	tristate "VIA VT82C586B"
316	depends on PCI && HAS_IOPORT
317	select I2C_ALGOBIT
318	help
319	  If you say yes to this option, support will be included for the VIA
320	  82C586B I2C interface
321
322	  This driver can also be built as a module.  If so, the module
323	  will be called i2c-via.
324
325config I2C_VIAPRO
326	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
327	depends on PCI && HAS_IOPORT
328	help
329	  If you say yes to this option, support will be included for the VIA
330	  VT82C596 and later SMBus interface.  Specifically, the following
331	  chipsets are supported:
332	    VT82C596A/B
333	    VT82C686A/B
334	    VT8231
335	    VT8233/A
336	    VT8235
337	    VT8237R/A/S
338	    VT8251
339	    CX700
340	    VX800/VX820
341	    VX855/VX875
342	    VX900
343
344	  This driver can also be built as a module.  If so, the module
345	  will be called i2c-viapro.
346
347if ACPI
348
349config I2C_ZHAOXIN
350	tristate "Zhaoxin I2C Interface"
351	depends on PCI || COMPILE_TEST
352	help
353	  If you say yes to this option, support will be included for the
354	  ZHAOXIN I2C interface
355
356	  This driver can also be built as a module. If so, the module
357	  will be called i2c-zhaoxin.
358
359comment "ACPI drivers"
360
361config I2C_SCMI
362	tristate "SMBus Control Method Interface"
363	help
364	  This driver supports the SMBus Control Method Interface. It needs the
365	  BIOS to declare ACPI control methods as described in the SMBus Control
366	  Method Interface specification.
367
368	  To compile this driver as a module, choose M here:
369	  the module will be called i2c-scmi.
370
371endif # ACPI
372
373comment "Mac SMBus host controller drivers"
374	depends on PPC_CHRP || PPC_PMAC
375
376config I2C_HYDRA
377	tristate "CHRP Apple Hydra Mac I/O I2C interface"
378	depends on PCI && PPC_CHRP
379	select I2C_ALGOBIT
380	help
381	  This supports the use of the I2C interface in the Apple Hydra Mac
382	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
383	  have such a machine.
384
385	  This support is also available as a module.  If so, the module
386	  will be called i2c-hydra.
387
388config I2C_POWERMAC
389	tristate "Powermac I2C interface"
390	depends on PPC_PMAC
391	default y
392	help
393	  This exposes the various PowerMac i2c interfaces to the linux i2c
394	  layer and to userland. It is used by various drivers on the PowerMac
395	  platform, and should generally be enabled.
396
397	  This support is also available as a module.  If so, the module
398	  will be called i2c-powermac.
399
400comment "I2C system bus drivers (mostly embedded / system-on-chip)"
401
402config I2C_ALTERA
403	tristate "Altera Soft IP I2C"
404	depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
405	depends on OF
406	help
407	  If you say yes to this option, support will be included for the
408	  Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
409
410	  This driver can also be built as a module.  If so, the module
411	  will be called i2c-altera.
412
413config I2C_ASPEED
414	tristate "Aspeed I2C Controller"
415	depends on ARCH_ASPEED || COMPILE_TEST
416	help
417	  If you say yes to this option, support will be included for the
418	  Aspeed I2C controller.
419
420	  This driver can also be built as a module.  If so, the module
421	  will be called i2c-aspeed.
422
423config I2C_AT91
424	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
425	depends on ARCH_AT91 || COMPILE_TEST
426	help
427	  This supports the use of the I2C interface on Atmel AT91
428	  processors.
429
430	  A serious problem is that there is no documented way to issue
431	  repeated START conditions for more than two messages, as needed
432	  to support combined I2C messages.  Use the i2c-gpio driver
433	  unless your system can cope with this limitation.
434
435	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
436	  don't have clock stretching in transmission mode. For that reason,
437	  you can encounter underrun issues causing premature stop sendings if
438	  the latency to fill the transmission register is too long. If you
439	  are facing this situation, use the i2c-gpio driver.
440
441config I2C_AT91_SLAVE_EXPERIMENTAL
442	tristate "Microchip AT91 I2C experimental slave mode"
443	depends on I2C_AT91
444	select I2C_SLAVE
445	help
446	  If you say yes to this option, support for the slave mode will be
447	  added. Caution: do not use it for production. This feature has not
448	  been tested in a heavy way, help wanted.
449	  There are known bugs:
450	    - It can hang, on a SAMA5D4, after several transfers.
451	    - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as
452	    master.
453
454config I2C_AU1550
455	tristate "Au1550/Au1200/Au1300 SMBus interface"
456	depends on MIPS_ALCHEMY
457	help
458	  If you say yes to this option, support will be included for the
459	  Au1550/Au1200/Au1300 SMBus interface.
460
461	  This driver can also be built as a module.  If so, the module
462	  will be called i2c-au1550.
463
464config I2C_AXXIA
465	tristate "Axxia I2C controller"
466	depends on ARCH_AXXIA || COMPILE_TEST
467	default ARCH_AXXIA
468	select I2C_SLAVE
469	help
470	  Say yes if you want to support the I2C bus on Axxia platforms.
471
472	  Please note that this controller is limited to transfers of maximum
473	  255 bytes in length. Any attempt to to a larger transfer will return
474	  an error.
475
476config I2C_BCM2835
477	tristate "Broadcom BCM2835 I2C controller"
478	depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
479	depends on COMMON_CLK
480	help
481	  If you say yes to this option, support will be included for the
482	  BCM2835 I2C controller.
483
484	  If you don't know what to do here, say N.
485
486	  This support is also available as a module.  If so, the module
487	  will be called i2c-bcm2835.
488
489config I2C_BCM_IPROC
490	tristate "Broadcom iProc I2C controller"
491	depends on ARCH_BCM_IPROC || COMPILE_TEST
492	default ARCH_BCM_IPROC
493	select I2C_SLAVE
494	help
495	  If you say yes to this option, support will be included for the
496	  Broadcom iProc I2C controller.
497
498	  If you don't know what to do here, say N.
499
500config I2C_BCM_KONA
501	tristate "BCM Kona I2C adapter"
502	depends on ARCH_BCM_MOBILE || COMPILE_TEST
503	default y if ARCH_BCM_MOBILE
504	help
505	  If you say yes to this option, support will be included for the
506	  I2C interface on the Broadcom Kona family of processors.
507
508	  If you do not need KONA I2C interface, say N.
509
510config I2C_BRCMSTB
511	tristate "BRCM Settop/DSL I2C controller"
512	depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \
513		   BMIPS_GENERIC || COMPILE_TEST
514	default y
515	help
516	  If you say yes to this option, support will be included for the
517	  I2C interface on the Broadcom Settop/DSL SoCs.
518
519	  If you do not need I2C interface, say N.
520
521config I2C_CADENCE
522	tristate "Cadence I2C Controller"
523	depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST
524	help
525	  Say yes here to select Cadence I2C Host Controller. This controller is
526	  e.g. used by Xilinx Zynq.
527
528config I2C_CBUS_GPIO
529	tristate "CBUS I2C driver"
530	depends on GPIOLIB || COMPILE_TEST
531	help
532	  Support for CBUS access using I2C API. Mostly relevant for Nokia
533	  Internet Tablets (770, N800 and N810).
534
535	  This driver can also be built as a module.  If so, the module
536	  will be called i2c-cbus-gpio.
537
538config I2C_CPM
539	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
540	depends on CPM1 || CPM2
541	help
542	  This supports the use of the I2C interface on Freescale
543	  processors with CPM1 or CPM2.
544
545	  This driver can also be built as a module.  If so, the module
546	  will be called i2c-cpm.
547
548config I2C_DAVINCI
549	tristate "DaVinci I2C driver"
550	depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
551	help
552	  Support for TI DaVinci I2C controller driver.
553
554	  This driver can also be built as a module.  If so, the module
555	  will be called i2c-davinci.
556
557	  Please note that this driver might be needed to bring up other
558	  devices such as DaVinci NIC.
559	  For details please see http://www.ti.com/davinci
560
561config I2C_DESIGNWARE_CORE
562	tristate
563	select REGMAP
564
565config I2C_DESIGNWARE_SLAVE
566	bool "Synopsys DesignWare Slave"
567	depends on I2C_DESIGNWARE_CORE
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
573	  This is not a standalone module, this module compiles together with
574	  i2c-designware-core.
575
576config I2C_DESIGNWARE_PLATFORM
577	tristate "Synopsys DesignWare Platform"
578	depends on (ACPI && COMMON_CLK) || !ACPI
579	select I2C_DESIGNWARE_CORE
580	select MFD_SYSCON if MIPS_BAIKAL_T1
581	help
582	  If you say yes to this option, support will be included for the
583	  Synopsys DesignWare I2C adapter.
584
585	  This driver can also be built as a module.  If so, the module
586	  will be called i2c-designware-platform.
587
588config I2C_DESIGNWARE_AMDPSP
589	bool "AMD PSP I2C semaphore support"
590	depends on ACPI
591	depends on CRYPTO_DEV_SP_PSP
592	depends on PCI
593	depends on I2C_DESIGNWARE_PLATFORM
594	depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \
595		   (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD)
596	help
597	  This driver enables managed host access to the selected I2C bus shared
598	  between AMD CPU and AMD PSP.
599
600	  You should say Y if running on an AMD system equipped with the PSP.
601
602config I2C_DESIGNWARE_BAYTRAIL
603	bool "Intel Baytrail I2C semaphore support"
604	depends on ACPI
605	depends on I2C_DESIGNWARE_PLATFORM
606	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
607		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
608	help
609	  This driver enables managed host access to the PMIC I2C bus on select
610	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
611	  the host to request uninterrupted access to the PMIC's I2C bus from
612	  the platform firmware controlling it. You should say Y if running on
613	  a BayTrail system using the AXP288.
614
615config I2C_DESIGNWARE_PCI
616	tristate "Synopsys DesignWare PCI"
617	depends on PCI
618	select I2C_DESIGNWARE_CORE
619	select I2C_CCGX_UCSI
620	help
621	  If you say yes to this option, support will be included for the
622	  Synopsys DesignWare I2C adapter. Only master mode is supported.
623
624	  This driver can also be built as a module.  If so, the module
625	  will be called i2c-designware-pci.
626
627config I2C_DIGICOLOR
628	tristate "Conexant Digicolor I2C driver"
629	depends on ARCH_DIGICOLOR || COMPILE_TEST
630	help
631	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
632
633	  This driver can also be built as a module.  If so, the module
634	  will be called i2c-digicolor.
635
636config I2C_EG20T
637	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
638	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
639	help
640	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
641	  is an IOH(Input/Output Hub) for x86 embedded processor.
642	  This driver can access PCH I2C bus device.
643
644	  This driver also can be used for LAPIS Semiconductor IOH(Input/
645	  Output Hub), ML7213, ML7223 and ML7831.
646	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
647	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
648	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
649	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
650
651config I2C_EMEV2
652	tristate "EMMA Mobile series I2C adapter"
653	depends on HAVE_CLK
654	select I2C_SLAVE
655	help
656	  If you say yes to this option, support will be included for the
657	  I2C interface on the Renesas Electronics EM/EV family of processors.
658
659config I2C_EXYNOS5
660	tristate "Exynos high-speed I2C driver"
661	depends on OF
662	depends on ARCH_EXYNOS || COMPILE_TEST
663	default y if ARCH_EXYNOS
664	help
665	  High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
666	  Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
667	  Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
668	  Choose Y here only if you build for such Samsung SoC.
669
670config I2C_GPIO
671	tristate "GPIO-based bitbanging I2C"
672	depends on GPIOLIB || COMPILE_TEST
673	select I2C_ALGOBIT
674	help
675	  This is a very simple bitbanging I2C driver utilizing the
676	  arch-neutral GPIO API to control the SCL and SDA lines.
677
678config I2C_GPIO_FAULT_INJECTOR
679	bool "GPIO-based fault injector"
680	depends on I2C_GPIO
681	help
682	  This adds some functionality to the i2c-gpio driver which can inject
683	  faults to an I2C bus, so another bus master can be stress-tested.
684	  This is for debugging. If unsure, say 'no'.
685
686config I2C_GXP
687	tristate "GXP I2C Interface"
688	depends on ARCH_HPE_GXP || COMPILE_TEST
689	help
690	  This enables support for GXP I2C interface. The I2C engines can be
691	  either I2C master or I2C slaves.
692
693config I2C_HIGHLANDER
694	tristate "Highlander FPGA SMBus interface"
695	depends on SH_HIGHLANDER || COMPILE_TEST
696	help
697	  If you say yes to this option, support will be included for
698	  the SMBus interface located in the FPGA on various Highlander
699	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
700	  FPGAs. This is wholly unrelated to the SoC I2C.
701
702	  This driver can also be built as a module.  If so, the module
703	  will be called i2c-highlander.
704
705config I2C_HISI
706	tristate "HiSilicon I2C controller"
707	depends on ARM64 || COMPILE_TEST
708	help
709	  Say Y here if you want to have Hisilicon I2C controller support
710	  available on the Kunpeng Server.
711
712	  This driver can also be built as a module. If so, the module
713	  will be called i2c-hisi.
714
715config I2C_IBM_IIC
716	tristate "IBM PPC 4xx on-chip I2C interface"
717	depends on 4xx
718	help
719	  Say Y here if you want to use IIC peripheral found on
720	  embedded IBM PPC 4xx based systems.
721
722	  This driver can also be built as a module.  If so, the module
723	  will be called i2c-ibm_iic.
724
725config I2C_IMG
726	tristate "Imagination Technologies I2C SCB Controller"
727	depends on MIPS || COMPILE_TEST
728	help
729	  Say Y here if you want to use the IMG I2C SCB controller,
730	  available on the TZ1090 and other IMG SoCs.
731
732	  This driver can also be built as a module.  If so, the module
733	  will be called i2c-img-scb.
734
735config I2C_IMX
736	tristate "IMX I2C interface"
737	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST
738	select I2C_SLAVE
739	help
740	  Say Y here if you want to use the IIC bus controller on
741	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
742
743	  This driver can also be built as a module.  If so, the module
744	  will be called i2c-imx.
745
746config I2C_IMX_LPI2C
747	tristate "IMX Low Power I2C interface"
748	depends on ARCH_MXC || COMPILE_TEST
749	help
750	  Say Y here if you want to use the Low Power IIC bus controller
751	  on the Freescale i.MX processors.
752
753	  This driver can also be built as a module. If so, the module
754	  will be called i2c-imx-lpi2c.
755
756config I2C_IOP3XX
757	tristate "Intel IXP4xx on-chip I2C interface"
758	depends on ARCH_IXP4XX || COMPILE_TEST
759	help
760	  Say Y here if you want to use the IIC bus controller on
761	  the Intel IXP4xx Network Processors.
762
763	  This driver can also be built as a module.  If so, the module
764	  will be called i2c-iop3xx.
765
766config I2C_JZ4780
767	tristate "JZ4780 I2C controller interface support"
768	depends on MIPS || COMPILE_TEST
769	help
770	 If you say yes to this option, support will be included for the
771	 Ingenic JZ4780 I2C controller.
772
773	 If you don't know what to do here, say N.
774
775config I2C_KEMPLD
776	tristate "Kontron COM I2C Controller"
777	depends on MFD_KEMPLD
778	help
779	  This enables support for the I2C bus interface on some Kontron ETX
780	  and COMexpress (ETXexpress) modules.
781
782	  This driver can also be built as a module. If so, the module
783	  will be called i2c-kempld.
784
785config I2C_LPC2K
786	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
787	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
788	help
789	  This driver supports the I2C interface found several NXP
790	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
791
792	  This driver can also be built as a module.  If so, the module
793	  will be called i2c-lpc2k.
794
795config I2C_LS2X
796	tristate "Loongson LS2X I2C adapter"
797	depends on MACH_LOONGSON64 || COMPILE_TEST
798	help
799	  If you say yes to this option, support will be included for the
800	  I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge
801	  chip.
802
803	  This driver can also be built as a module. If so, the module
804	  will be called i2c-ls2x.
805
806config I2C_MLXBF
807        tristate "Mellanox BlueField I2C controller"
808        depends on MELLANOX_PLATFORM && ARM64
809	depends on ACPI
810	select I2C_SLAVE
811        help
812          Enabling this option will add I2C SMBus support for Mellanox BlueField
813          system.
814
815          This driver can also be built as a module. If so, the module will be
816          called i2c-mlxbf.
817
818          This driver implements an I2C SMBus host controller and enables both
819          master and slave functions.
820
821config I2C_MESON
822	tristate "Amlogic Meson I2C controller"
823	depends on ARCH_MESON || COMPILE_TEST
824	depends on COMMON_CLK
825	help
826	  If you say yes to this option, support will be included for the
827	  I2C interface on the Amlogic Meson family of SoCs.
828
829config I2C_MICROCHIP_CORE
830	tristate "Microchip FPGA I2C controller"
831	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
832	depends on OF
833	help
834	  If you say yes to this option, support will be included for the
835	  I2C interface on Microchip FPGAs.
836
837	  This driver can also be built as a module. If so, the module will be
838	  called i2c-microchip-core.
839
840config I2C_MPC
841	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
842	depends on PPC
843	help
844	  If you say yes to this option, support will be included for the
845	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
846	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
847
848	  This driver can also be built as a module.  If so, the module
849	  will be called i2c-mpc.
850
851config I2C_MT65XX
852	tristate "MediaTek I2C adapter"
853	depends on ARCH_MEDIATEK || COMPILE_TEST
854	help
855	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
856	  for MT65xx and MT81xx.
857	  If you want to use MediaTek(R) I2C interface, say Y or M here.
858	  If unsure, say N.
859
860config I2C_MT7621
861	tristate "MT7621/MT7628 I2C Controller"
862	depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST
863	help
864	  Say Y here to include support for I2C controller in the
865	  MediaTek MT7621/MT7628 SoCs.
866
867config I2C_MV64XXX
868	tristate "Marvell mv64xxx I2C Controller"
869	depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
870	help
871	  If you say yes to this option, support will be included for the
872	  built-in I2C interface on the Marvell 64xxx line of host bridges.
873	  This driver is also used for Allwinner SoCs I2C controllers.
874
875	  This driver can also be built as a module.  If so, the module
876	  will be called i2c-mv64xxx.
877
878config I2C_MXS
879	tristate "Freescale i.MX28 I2C interface"
880	depends on SOC_IMX28 || COMPILE_TEST
881	select STMP_DEVICE
882	help
883	  Say Y here if you want to use the I2C bus controller on
884	  the Freescale i.MX28 processors.
885
886	  This driver can also be built as a module.  If so, the module
887	  will be called i2c-mxs.
888
889config I2C_NOMADIK
890	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
891	depends on ARM_AMBA
892	help
893	  If you say yes to this option, support will be included for the
894	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
895	  as well as the STA2X11 PCIe I/O HUB.
896
897config I2C_NPCM
898	tristate "Nuvoton I2C Controller"
899	depends on ARCH_NPCM || COMPILE_TEST
900	help
901	  If you say yes to this option, support will be included for the
902	  Nuvoton I2C controller, which is available on the NPCM BMC
903	  controllers.
904	  Driver can also support slave mode (select I2C_SLAVE).
905
906config I2C_OCORES
907	tristate "OpenCores I2C Controller"
908	help
909	  If you say yes to this option, support will be included for the
910	  OpenCores I2C controller. For details see
911	  http://www.opencores.org/projects.cgi/web/i2c/overview
912
913	  This driver can also be built as a module.  If so, the module
914	  will be called i2c-ocores.
915
916config I2C_OMAP
917	tristate "OMAP I2C adapter"
918	depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
919	default MACH_OMAP_OSK
920	help
921	  If you say yes to this option, support will be included for the
922	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
923	  Like OMAP1510/1610/1710/5912 and OMAP242x.
924	  For details see http://www.ti.com/omap.
925
926config I2C_OWL
927	tristate "Actions Semiconductor Owl I2C Controller"
928	depends on ARCH_ACTIONS || COMPILE_TEST
929	help
930	  Say Y here if you want to use the I2C bus controller on
931	  the Actions Semiconductor Owl SoC's.
932
933config I2C_PASEMI
934	tristate "PA Semi SMBus interface"
935	depends on PPC_PASEMI && PCI
936	help
937	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
938
939config I2C_APPLE
940	tristate "Apple SMBus platform driver"
941	depends on !I2C_PASEMI
942	depends on ARCH_APPLE || COMPILE_TEST
943	default ARCH_APPLE
944	help
945	  Say Y here if you want to use the I2C controller present on Apple
946	  Silicon chips such as the M1.
947
948	  This driver can also be built as a module. If so, the module
949	  will be called i2c-apple.
950
951config I2C_PCA_PLATFORM
952	tristate "PCA9564/PCA9665 as platform device"
953	select I2C_ALGOPCA
954	help
955	  This driver supports a memory mapped Philips PCA9564/PCA9665
956	  parallel bus to I2C bus controller.
957
958	  This driver can also be built as a module.  If so, the module
959	  will be called i2c-pca-platform.
960
961config I2C_PNX
962	tristate "I2C bus support for Philips PNX and NXP LPC targets"
963	depends on ARCH_LPC32XX || COMPILE_TEST
964	help
965	  This driver supports the Philips IP3204 I2C IP block master and/or
966	  slave controller
967
968	  This driver can also be built as a module.  If so, the module
969	  will be called i2c-pnx.
970
971config I2C_PXA
972	tristate "Intel PXA2XX I2C adapter"
973	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
974	help
975	  If you have devices in the PXA I2C bus, say yes to this option.
976	  This driver can also be built as a module.  If so, the module
977	  will be called i2c-pxa.
978
979config I2C_PXA_PCI
980	def_bool I2C_PXA && X86_32 && PCI && OF
981
982config I2C_PXA_SLAVE
983	bool "Intel PXA2XX I2C Slave comms support"
984	depends on I2C_PXA && !X86_32
985	select I2C_SLAVE
986	help
987	  Support I2C slave mode communications on the PXA I2C bus.  This
988	  is necessary for systems where the PXA may be a target on the
989	  I2C bus.
990
991config I2C_QCOM_CCI
992	tristate "Qualcomm Camera Control Interface"
993	depends on ARCH_QCOM || COMPILE_TEST
994	help
995	  If you say yes to this option, support will be included for the
996	  built-in camera control interface on the Qualcomm SoCs.
997
998	  This driver can also be built as a module.  If so, the module
999	  will be called i2c-qcom-cci.
1000
1001config I2C_QCOM_GENI
1002	tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
1003	depends on ARCH_QCOM || COMPILE_TEST
1004	depends on QCOM_GENI_SE
1005	help
1006	  This driver supports GENI serial engine based I2C controller in
1007	  master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
1008	  yes to this option, support will be included for the built-in I2C
1009	  interface on the Qualcomm Technologies Inc.'s SoCs.
1010
1011	  This driver can also be built as a module.  If so, the module
1012	  will be called i2c-qcom-geni.
1013
1014config I2C_QUP
1015	tristate "Qualcomm QUP based I2C controller"
1016	depends on ARCH_QCOM || COMPILE_TEST
1017	help
1018	  If you say yes to this option, support will be included for the
1019	  built-in I2C interface on the Qualcomm SoCs.
1020
1021	  This driver can also be built as a module.  If so, the module
1022	  will be called i2c-qup.
1023
1024config I2C_RIIC
1025	tristate "Renesas RIIC adapter"
1026	depends on ARCH_RENESAS || COMPILE_TEST
1027	help
1028	  If you say yes to this option, support will be included for the
1029	  Renesas RIIC I2C interface.
1030
1031	  This driver can also be built as a module.  If so, the module
1032	  will be called i2c-riic.
1033
1034config I2C_RK3X
1035	tristate "Rockchip RK3xxx I2C adapter"
1036	depends on OF && COMMON_CLK
1037	help
1038	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
1039	  SoCs.
1040
1041	  This driver can also be built as a module. If so, the module will
1042	  be called i2c-rk3x.
1043
1044config I2C_RZV2M
1045	tristate "Renesas RZ/V2M adapter"
1046	depends on ARCH_RENESAS || COMPILE_TEST
1047	help
1048	  If you say yes to this option, support will be included for the
1049	  Renesas RZ/V2M I2C interface.
1050
1051	  This driver can also be built as a module.  If so, the module
1052	  will be called i2c-rzv2m.
1053
1054config I2C_S3C2410
1055	tristate "S3C/Exynos I2C Driver"
1056	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
1057	help
1058	  Say Y here to include support for I2C controller in the
1059	  Samsung SoCs (S3C, S5Pv210, Exynos).
1060
1061config I2C_SH7760
1062	tristate "Renesas SH7760 I2C Controller"
1063	depends on CPU_SUBTYPE_SH7760
1064	help
1065	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
1066
1067	  This driver can also be built as a module.  If so, the module
1068	  will be called i2c-sh7760.
1069
1070config I2C_SH_MOBILE
1071	tristate "SuperH Mobile I2C Controller"
1072	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
1073	help
1074	  If you say yes to this option, support will be included for the
1075	  built-in I2C interface on the Renesas SH-Mobile processor.
1076
1077	  This driver can also be built as a module.  If so, the module
1078	  will be called i2c-sh_mobile.
1079
1080config I2C_SIMTEC
1081	tristate "Simtec Generic I2C interface"
1082	select I2C_ALGOBIT
1083	help
1084	  If you say yes to this option, support will be included for
1085	  the Simtec Generic I2C interface. This driver is for the
1086	  simple I2C bus used on newer Simtec products for general
1087	  I2C, such as DDC on the Simtec BBD2016A.
1088
1089	  This driver can also be built as a module. If so, the module
1090	  will be called i2c-simtec.
1091
1092config I2C_SPRD
1093	tristate "Spreadtrum I2C interface"
1094	depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1095	depends on COMMON_CLK
1096	help
1097	  If you say yes to this option, support will be included for the
1098	  Spreadtrum I2C interface.
1099
1100config I2C_ST
1101	tristate "STMicroelectronics SSC I2C support"
1102	depends on ARCH_STI || COMPILE_TEST
1103	help
1104	  Enable this option to add support for STMicroelectronics SoCs
1105	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
1106
1107	  This driver can also be built as module. If so, the module
1108	  will be called i2c-st.
1109
1110config I2C_STM32F4
1111	tristate "STMicroelectronics STM32F4 I2C support"
1112	depends on ARCH_STM32 || COMPILE_TEST
1113	help
1114	  Enable this option to add support for STM32 I2C controller embedded
1115	  in STM32F4 SoCs.
1116
1117	  This driver can also be built as module. If so, the module
1118	  will be called i2c-stm32f4.
1119
1120config I2C_STM32F7
1121	tristate "STMicroelectronics STM32F7 I2C support"
1122	depends on ARCH_STM32 || COMPILE_TEST
1123	select I2C_SLAVE
1124	select I2C_SMBUS
1125	help
1126	  Enable this option to add support for STM32 I2C controller embedded
1127	  in STM32F7 SoCs.
1128
1129	  This driver can also be built as module. If so, the module
1130	  will be called i2c-stm32f7.
1131
1132config I2C_SUN6I_P2WI
1133	tristate "Allwinner sun6i internal P2WI controller"
1134	depends on RESET_CONTROLLER
1135	depends on MACH_SUN6I || COMPILE_TEST
1136	help
1137	  If you say yes to this option, support will be included for the
1138	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1139	  SOCs.
1140	  The P2WI looks like an SMBus controller (which supports only byte
1141	  accesses), except that it only supports one slave device.
1142	  This interface is used to connect to specific PMIC devices (like the
1143	  AXP221).
1144
1145config I2C_SYNQUACER
1146	tristate "Socionext SynQuacer I2C controller"
1147	depends on ARCH_SYNQUACER || COMPILE_TEST
1148	help
1149	  Say Y here to include support for the I2C controller used in some
1150	  Fujitsu and Socionext SoCs.
1151
1152	  This driver can also be built as a module. If so, the module
1153	  will be called i2c-synquacer.
1154
1155config I2C_TEGRA
1156	tristate "NVIDIA Tegra internal I2C controller"
1157	depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
1158	# COMPILE_TEST needs architectures with readsX()/writesX() primitives
1159	help
1160	  If you say yes to this option, support will be included for the
1161	  I2C controller embedded in NVIDIA Tegra SOCs
1162
1163config I2C_TEGRA_BPMP
1164	tristate "NVIDIA Tegra BPMP I2C controller"
1165	depends on TEGRA_BPMP || COMPILE_TEST
1166	default y if TEGRA_BPMP
1167	help
1168	  If you say yes to this option, support will be included for the I2C
1169	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1170
1171	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1172	  of the BPMP firmware, and this driver merely communicates with that
1173	  real driver.
1174
1175config I2C_UNIPHIER
1176	tristate "UniPhier FIFO-less I2C controller"
1177	depends on ARCH_UNIPHIER || COMPILE_TEST
1178	help
1179	  If you say yes to this option, support will be included for
1180	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1181	  or older UniPhier SoCs.
1182
1183config I2C_UNIPHIER_F
1184	tristate "UniPhier FIFO-builtin I2C controller"
1185	depends on ARCH_UNIPHIER || COMPILE_TEST
1186	help
1187	  If you say yes to this option, support will be included for
1188	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1189	  PH1-Pro5, or newer UniPhier SoCs.
1190
1191config I2C_VERSATILE
1192	tristate "ARM Versatile/Realview I2C bus support"
1193	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1194	select I2C_ALGOBIT
1195	help
1196	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1197	  range of platforms.
1198
1199	  This driver can also be built as a module.  If so, the module
1200	  will be called i2c-versatile.
1201
1202config I2C_WMT
1203	tristate "Wondermedia WM8xxx SoC I2C bus support"
1204	depends on ARCH_VT8500 || COMPILE_TEST
1205	help
1206	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1207	  SoCs.
1208
1209	  This driver can also be built as a module. If so, the module will be
1210	  called i2c-wmt.
1211
1212config I2C_OCTEON
1213	tristate "Cavium OCTEON I2C bus support"
1214	depends on CAVIUM_OCTEON_SOC
1215	help
1216	  Say yes if you want to support the I2C serial bus on Cavium
1217	  OCTEON SOC.
1218
1219	  This driver can also be built as a module.  If so, the module
1220	  will be called i2c-octeon.
1221
1222config I2C_THUNDERX
1223	tristate "Cavium ThunderX I2C bus support"
1224	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1225	select I2C_SMBUS
1226	help
1227	  Say yes if you want to support the I2C serial bus on Cavium
1228	  ThunderX SOC.
1229
1230	  This driver can also be built as a module.  If so, the module
1231	  will be called i2c-thunderx.
1232
1233config I2C_XILINX
1234	tristate "Xilinx I2C Controller"
1235	depends on HAS_IOMEM
1236	help
1237	  If you say yes to this option, support will be included for the
1238	  Xilinx I2C controller.
1239
1240	  This driver can also be built as a module.  If so, the module
1241	  will be called xilinx_i2c.
1242
1243config I2C_XLP9XX
1244	tristate "Cavium ThunderX2 I2C support"
1245	depends on ARCH_THUNDER2 || COMPILE_TEST
1246	help
1247	  This driver enables support for the on-chip I2C interface of
1248	  the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
1249
1250	  This driver can also be built as a module.  If so, the module will
1251	  be called i2c-xlp9xx.
1252
1253config I2C_RCAR
1254	tristate "Renesas R-Car I2C Controller"
1255	depends on ARCH_RENESAS || COMPILE_TEST
1256	select I2C_SLAVE
1257	select I2C_SMBUS
1258	select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4
1259	help
1260	  If you say yes to this option, support will be included for the
1261	  R-Car I2C controller.
1262
1263	  This driver can also be built as a module.  If so, the module
1264	  will be called i2c-rcar.
1265
1266comment "External I2C/SMBus adapter drivers"
1267
1268config I2C_DIOLAN_U2C
1269	tristate "Diolan U2C-12 USB adapter"
1270	depends on USB
1271	help
1272	  If you say yes to this option, support will be included for Diolan
1273	  U2C-12, a USB to I2C interface.
1274
1275	  This driver can also be built as a module.  If so, the module
1276	  will be called i2c-diolan-u2c.
1277
1278config I2C_DLN2
1279	tristate "Diolan DLN-2 USB I2C adapter"
1280	depends on MFD_DLN2
1281	help
1282	 If you say yes to this option, support will be included for Diolan
1283	 DLN2, a USB to I2C interface.
1284
1285	 This driver can also be built as a module.  If so, the module
1286	 will be called i2c-dln2.
1287
1288config I2C_LJCA
1289	tristate "I2C functionality of Intel La Jolla Cove Adapter"
1290	depends on USB_LJCA
1291	default USB_LJCA
1292	help
1293	  If you say yes to this option, I2C functionality support of Intel
1294	  La Jolla Cove Adapter (LJCA) will be included.
1295
1296	  This driver can also be built as a module.  If so, the module
1297	  will be called i2c-ljca.
1298
1299config I2C_CP2615
1300	tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1301	depends on USB
1302	help
1303	  If you say yes to this option, support will be included for Silicon
1304	  Labs CP2615's I2C interface.
1305
1306	  This driver can also be built as a module.  If so, the module
1307	  will be called i2c-cp2615.
1308
1309config I2C_PARPORT
1310	tristate "Parallel port adapter"
1311	depends on PARPORT
1312	select I2C_ALGOBIT
1313	select I2C_SMBUS
1314	help
1315	  This supports parallel port I2C adapters such as the ones made by
1316	  Philips or Velleman, Analog Devices evaluation boards, and more.
1317	  Basically any adapter using the parallel port as an I2C bus with
1318	  no extra chipset is supported by this driver, or could be. Please
1319	  read the file Documentation/i2c/busses/i2c-parport.rst for details.
1320
1321	  This support is also available as a module.  If so, the module
1322	  will be called i2c-parport.
1323
1324config I2C_PCI1XXXX
1325	tristate "PCI1XXXX I2C Host Adapter"
1326	depends on PCI
1327	help
1328	  If you say yes to this option, support will be included for
1329	  Microchip PCI1XXXX's I2C interface.
1330
1331	  This driver can also be built as a module. If so, the module will
1332	  be called i2c-mchp-pci1xxxx.
1333
1334config I2C_ROBOTFUZZ_OSIF
1335	tristate "RobotFuzz Open Source InterFace USB adapter"
1336	depends on USB
1337	help
1338	  If you say yes to this option, support will be included for the
1339	  RobotFuzz Open Source InterFace USB to I2C interface.
1340
1341	  This driver can also be built as a module.  If so, the module
1342	  will be called i2c-osif.
1343
1344config I2C_TAOS_EVM
1345	tristate "TAOS evaluation module"
1346	depends on TTY
1347	select SERIO
1348	select SERIO_SERPORT
1349	help
1350	  This supports TAOS evaluation modules on serial port. In order to
1351	  use this driver, you will need the inputattach tool, which is part
1352	  of the input-utils package.
1353
1354	  If unsure, say N.
1355
1356	  This support is also available as a module.  If so, the module
1357	  will be called i2c-taos-evm.
1358
1359config I2C_TINY_USB
1360	tristate "Tiny-USB adapter"
1361	depends on USB
1362	help
1363	  If you say yes to this option, support will be included for the
1364	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1365	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1366
1367	  This driver can also be built as a module.  If so, the module
1368	  will be called i2c-tiny-usb.
1369
1370config I2C_VIPERBOARD
1371	tristate "Viperboard I2C master support"
1372	depends on MFD_VIPERBOARD && USB
1373	help
1374	  Say yes here to access the I2C part of the Nano River
1375	  Technologies Viperboard as I2C master.
1376	  See viperboard API specification and Nano
1377	  River Tech's viperboard.h for detailed meaning
1378	  of the module parameters.
1379
1380comment "Other I2C/SMBus bus drivers"
1381
1382config I2C_ACORN
1383	tristate "Acorn IOC/IOMD I2C bus support"
1384	depends on ARCH_ACORN
1385	default y
1386	select I2C_ALGOBIT
1387	help
1388	  Say yes if you want to support the I2C bus on Acorn platforms.
1389
1390	  If you don't know, say Y.
1391
1392config I2C_ELEKTOR
1393	tristate "Elektor ISA card"
1394	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1395	select I2C_ALGOPCF
1396	help
1397	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1398	  such an adapter.
1399
1400	  This support is also available as a module.  If so, the module
1401	  will be called i2c-elektor.
1402
1403config I2C_ICY
1404	tristate "ICY Zorro card"
1405	depends on ZORRO
1406	select I2C_ALGOPCF
1407	help
1408	  This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1409	  Say Y if you own such an adapter.
1410
1411	  This support is also available as a module.  If so, the module
1412	  will be called i2c-icy.
1413
1414	  If you have a 2019 edition board with an LTC2990 sensor at address
1415	  0x4c, loading the module 'ltc2990' is sufficient to enable it.
1416
1417config I2C_MLXCPLD
1418	tristate "Mellanox I2C driver"
1419	depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
1420	depends on HAS_IOPORT
1421	help
1422	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1423	  for X86 and ARM64/ACPI based systems.
1424	  Controller is implemented as CPLD logic.
1425
1426	  This driver can also be built as a module. If so, the module will be
1427	  called as i2c-mlxcpld.
1428
1429config I2C_PCA_ISA
1430	tristate "PCA9564/PCA9665 on an ISA bus"
1431	depends on ISA
1432	select I2C_ALGOPCA
1433	help
1434	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1435	  parallel bus to I2C bus controller.
1436
1437	  This driver can also be built as a module.  If so, the module
1438	  will be called i2c-pca-isa.
1439
1440	  This device is almost undetectable and using this driver on a
1441	  system which doesn't have this device will result in long
1442	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1443	  time).  If unsure, say N.
1444
1445config I2C_SIBYTE
1446	tristate "SiByte SMBus interface"
1447	depends on SIBYTE_SB1xxx_SOC
1448	help
1449	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1450
1451config I2C_CROS_EC_TUNNEL
1452	tristate "ChromeOS EC tunnel I2C bus"
1453	depends on CROS_EC
1454	help
1455	  If you say yes here you get an I2C bus that will tunnel i2c commands
1456	  through to the other side of the ChromeOS EC to the i2c bus
1457	  connected there. This will work whatever the interface used to
1458	  talk to the EC (SPI, I2C or LPC).
1459
1460config I2C_XGENE_SLIMPRO
1461	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1462	depends on ARCH_XGENE && MAILBOX
1463	help
1464	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1465	  co-processor. The I2C device access the I2C bus via the X-Gene
1466	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1467	  If unsure, say N.
1468
1469config SCx200_ACB
1470	tristate "Geode ACCESS.bus support"
1471	depends on X86_32 && PCI
1472	help
1473	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1474	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1475
1476	  If you don't know what to do here, say N.
1477
1478	  This support is also available as a module.  If so, the module
1479	  will be called scx200_acb.
1480
1481config I2C_OPAL
1482	tristate "IBM OPAL I2C driver"
1483	depends on PPC_POWERNV
1484	default y
1485	help
1486	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1487	  the driver is based on the OPAL interfaces.
1488
1489	  This driver can also be built as a module. If so, the module will be
1490	  called as i2c-opal.
1491
1492config I2C_FSI
1493	tristate "FSI I2C driver"
1494	depends on FSI
1495	help
1496	  Driver for FSI bus attached I2C masters. These are I2C masters that
1497	  are connected to the system over an FSI bus, instead of the more
1498	  common PCI or MMIO interface.
1499
1500	  This driver can also be built as a module. If so, the module will be
1501	  called as i2c-fsi.
1502
1503config I2C_VIRTIO
1504        tristate "Virtio I2C Adapter"
1505        select VIRTIO
1506        help
1507          If you say yes to this option, support will be included for the virtio
1508          I2C adapter driver. The hardware can be emulated by any device model
1509          software according to the virtio protocol.
1510
1511          This driver can also be built as a module. If so, the module
1512          will be called i2c-virtio.
1513
1514endmenu
1515