xref: /linux/drivers/i2c/busses/Kconfig (revision f5a8eb632b562bd9c16c389f5db3a5260fba4157)
1#
2# Sensor device configuration
3#
4
5menu "I2C Hardware Bus support"
6	depends on HAS_IOMEM
7
8comment "PC SMBus host controller drivers"
9	depends on PCI
10
11config I2C_ALI1535
12	tristate "ALI 1535"
13	depends on PCI
14	help
15	  If you say yes to this option, support will be included for the SMB
16	  Host controller on Acer Labs Inc. (ALI) M1535 South Bridges.  The SMB
17	  controller is part of the 7101 device, which is an ACPI-compliant
18	  Power Management Unit (PMU).
19
20	  This driver can also be built as a module.  If so, the module
21	  will be called i2c-ali1535.
22
23config I2C_ALI1563
24	tristate "ALI 1563"
25	depends on PCI
26	help
27	  If you say yes to this option, support will be included for the SMB
28	  Host controller on Acer Labs Inc. (ALI) M1563 South Bridges.  The SMB
29	  controller is part of the 7101 device, which is an ACPI-compliant
30	  Power Management Unit (PMU).
31
32	  This driver can also be built as a module.  If so, the module
33	  will be called i2c-ali1563.
34
35config I2C_ALI15X3
36	tristate "ALI 15x3"
37	depends on PCI
38	help
39	  If you say yes to this option, support will be included for the
40	  Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
41
42	  This driver can also be built as a module.  If so, the module
43	  will be called i2c-ali15x3.
44
45config I2C_AMD756
46	tristate "AMD 756/766/768/8111 and nVidia nForce"
47	depends on PCI
48	help
49	  If you say yes to this option, support will be included for the AMD
50	  756/766/768 mainboard I2C interfaces.  The driver also includes
51	  support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
52	  the nVidia nForce I2C interface.
53
54	  This driver can also be built as a module.  If so, the module
55	  will be called i2c-amd756.
56
57config I2C_AMD756_S4882
58	tristate "SMBus multiplexing on the Tyan S4882"
59	depends on I2C_AMD756 && X86
60	help
61	  Enabling this option will add specific SMBus support for the Tyan
62	  S4882 motherboard.  On this 4-CPU board, the SMBus is multiplexed
63	  over 8 different channels, where the various memory module EEPROMs
64	  and temperature sensors live.  Saying yes here will give you access
65	  to these in addition to the trunk.
66
67	  This driver can also be built as a module.  If so, the module
68	  will be called i2c-amd756-s4882.
69
70config I2C_AMD8111
71	tristate "AMD 8111"
72	depends on PCI
73	help
74	  If you say yes to this option, support will be included for the
75	  second (SMBus 2.0) AMD 8111 mainboard I2C interface.
76
77	  This driver can also be built as a module.  If so, the module
78	  will be called i2c-amd8111.
79
80config I2C_HIX5HD2
81	tristate "Hix5hd2 high-speed I2C driver"
82	depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
83	help
84	  Say Y here to include support for the high-speed I2C controller
85	  used in HiSilicon hix5hd2 SoCs.
86
87	  This driver can also be built as a module. If so, the module
88	  will be called i2c-hix5hd2.
89
90config I2C_I801
91	tristate "Intel 82801 (ICH/PCH)"
92	depends on PCI
93	select CHECK_SIGNATURE if X86 && DMI
94	select I2C_SMBUS
95	help
96	  If you say yes to this option, support will be included for the Intel
97	  801 family of mainboard I2C interfaces.  Specifically, the following
98	  versions of the chipset are supported:
99	    82801AA
100	    82801AB
101	    82801BA
102	    82801CA/CAM
103	    82801DB
104	    82801EB/ER (ICH5/ICH5R)
105	    6300ESB
106	    ICH6
107	    ICH7
108	    ESB2
109	    ICH8
110	    ICH9
111	    EP80579 (Tolapai)
112	    ICH10
113	    5/3400 Series (PCH)
114	    6 Series (PCH)
115	    Patsburg (PCH)
116	    DH89xxCC (PCH)
117	    Panther Point (PCH)
118	    Lynx Point (PCH)
119	    Lynx Point-LP (PCH)
120	    Avoton (SOC)
121	    Wellsburg (PCH)
122	    Coleto Creek (PCH)
123	    Wildcat Point (PCH)
124	    Wildcat Point-LP (PCH)
125	    BayTrail (SOC)
126	    Braswell (SOC)
127	    Sunrise Point-H (PCH)
128	    Sunrise Point-LP (PCH)
129	    Kaby Lake-H (PCH)
130	    DNV (SOC)
131	    Broxton (SOC)
132	    Lewisburg (PCH)
133	    Gemini Lake (SOC)
134	    Cannon Lake-H (PCH)
135	    Cannon Lake-LP (PCH)
136	    Cedar Fork (PCH)
137
138	  This driver can also be built as a module.  If so, the module
139	  will be called i2c-i801.
140
141config I2C_ISCH
142	tristate "Intel SCH SMBus 1.0"
143	depends on PCI
144	select LPC_SCH
145	help
146	  Say Y here if you want to use SMBus controller on the Intel SCH
147	  based systems.
148
149	  This driver can also be built as a module. If so, the module
150	  will be called i2c-isch.
151
152config I2C_ISMT
153	tristate "Intel iSMT SMBus Controller"
154	depends on PCI && X86
155	help
156	  If you say yes to this option, support will be included for the Intel
157	  iSMT SMBus host controller interface.
158
159	  This driver can also be built as a module.  If so, the module will be
160	  called i2c-ismt.
161
162config I2C_PIIX4
163	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
164	depends on PCI
165	help
166	  If you say yes to this option, support will be included for the Intel
167	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
168	  versions of the chipset are supported (note that Serverworks is part
169	  of Broadcom):
170	    Intel PIIX4
171	    Intel 440MX
172	    ATI IXP200
173	    ATI IXP300
174	    ATI IXP400
175	    ATI SB600
176	    ATI SB700/SP5100
177	    ATI SB800
178	    AMD Hudson-2
179	    AMD ML
180	    AMD CZ
181	    Serverworks OSB4
182	    Serverworks CSB5
183	    Serverworks CSB6
184	    Serverworks HT-1000
185	    Serverworks HT-1100
186	    SMSC Victory66
187
188	  Some AMD chipsets contain two PIIX4-compatible SMBus
189	  controllers. This driver will attempt to use both controllers
190	  on the SB700/SP5100, if they have been initialized by the BIOS.
191
192	  This driver can also be built as a module.  If so, the module
193	  will be called i2c-piix4.
194
195config I2C_CHT_WC
196	tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
197	depends on INTEL_SOC_PMIC_CHTWC
198	help
199	  If you say yes to this option, support will be included for the
200	  SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
201	  found on some Intel Cherry Trail systems.
202
203	  Note this controller is hooked up to a TI bq24292i charger-IC,
204	  combined with a FUSB302 Type-C port-controller as such it is advised
205	  to also select CONFIG_CHARGER_BQ24190=m and CONFIG_TYPEC_FUSB302=m
206	  (the fusb302 driver currently is in drivers/staging).
207
208config I2C_NFORCE2
209	tristate "Nvidia nForce2, nForce3 and nForce4"
210	depends on PCI
211	help
212	  If you say yes to this option, support will be included for the Nvidia
213	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
214
215	  This driver can also be built as a module.  If so, the module
216	  will be called i2c-nforce2.
217
218config I2C_NFORCE2_S4985
219	tristate "SMBus multiplexing on the Tyan S4985"
220	depends on I2C_NFORCE2 && X86
221	help
222	  Enabling this option will add specific SMBus support for the Tyan
223	  S4985 motherboard.  On this 4-CPU board, the SMBus is multiplexed
224	  over 4 different channels, where the various memory module EEPROMs
225	  live.  Saying yes here will give you access to these in addition
226	  to the trunk.
227
228	  This driver can also be built as a module.  If so, the module
229	  will be called i2c-nforce2-s4985.
230
231config I2C_SIS5595
232	tristate "SiS 5595"
233	depends on PCI
234	help
235	  If you say yes to this option, support will be included for the
236	  SiS5595 SMBus (a subset of I2C) interface.
237
238	  This driver can also be built as a module.  If so, the module
239	  will be called i2c-sis5595.
240
241config I2C_SIS630
242	tristate "SiS 630/730/964"
243	depends on PCI
244	help
245	  If you say yes to this option, support will be included for the
246	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
247
248	  This driver can also be built as a module.  If so, the module
249	  will be called i2c-sis630.
250
251config I2C_SIS96X
252	tristate "SiS 96x"
253	depends on PCI
254	help
255	  If you say yes to this option, support will be included for the SiS
256	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
257	  chipsets are supported:
258	    645/961
259	    645DX/961
260	    645DX/962
261	    648/961
262	    650/961
263	    735
264	    745
265
266	  This driver can also be built as a module.  If so, the module
267	  will be called i2c-sis96x.
268
269config I2C_VIA
270	tristate "VIA VT82C586B"
271	depends on PCI
272	select I2C_ALGOBIT
273	help
274	  If you say yes to this option, support will be included for the VIA
275          82C586B I2C interface
276
277	  This driver can also be built as a module.  If so, the module
278	  will be called i2c-via.
279
280config I2C_VIAPRO
281	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
282	depends on PCI
283	help
284	  If you say yes to this option, support will be included for the VIA
285	  VT82C596 and later SMBus interface.  Specifically, the following
286	  chipsets are supported:
287	    VT82C596A/B
288	    VT82C686A/B
289	    VT8231
290	    VT8233/A
291	    VT8235
292	    VT8237R/A/S
293	    VT8251
294	    CX700
295	    VX800/VX820
296	    VX855/VX875
297	    VX900
298
299	  This driver can also be built as a module.  If so, the module
300	  will be called i2c-viapro.
301
302if ACPI
303
304comment "ACPI drivers"
305
306config I2C_SCMI
307	tristate "SMBus Control Method Interface"
308	help
309	  This driver supports the SMBus Control Method Interface. It needs the
310	  BIOS to declare ACPI control methods as described in the SMBus Control
311	  Method Interface specification.
312
313	  To compile this driver as a module, choose M here:
314	  the module will be called i2c-scmi.
315
316endif # ACPI
317
318comment "Mac SMBus host controller drivers"
319	depends on PPC_CHRP || PPC_PMAC
320
321config I2C_HYDRA
322	tristate "CHRP Apple Hydra Mac I/O I2C interface"
323	depends on PCI && PPC_CHRP
324	select I2C_ALGOBIT
325	help
326	  This supports the use of the I2C interface in the Apple Hydra Mac
327	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
328	  have such a machine.
329
330	  This support is also available as a module.  If so, the module
331	  will be called i2c-hydra.
332
333config I2C_POWERMAC
334	tristate "Powermac I2C interface"
335	depends on PPC_PMAC
336	default y
337	help
338	  This exposes the various PowerMac i2c interfaces to the linux i2c
339	  layer and to userland. It is used by various drivers on the PowerMac
340	  platform, and should generally be enabled.
341
342	  This support is also available as a module.  If so, the module
343	  will be called i2c-powermac.
344
345comment "I2C system bus drivers (mostly embedded / system-on-chip)"
346
347config I2C_ALTERA
348	tristate "Altera Soft IP I2C"
349	depends on (ARCH_SOCFPGA || NIOS2) && OF
350	help
351	  If you say yes to this option, support will be included for the
352	  Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
353
354	  This driver can also be built as a module.  If so, the module
355	  will be called i2c-altera.
356
357config I2C_ASPEED
358	tristate "Aspeed I2C Controller"
359	depends on ARCH_ASPEED || COMPILE_TEST
360	help
361	  If you say yes to this option, support will be included for the
362	  Aspeed I2C controller.
363
364	  This driver can also be built as a module.  If so, the module
365	  will be called i2c-aspeed.
366
367config I2C_AT91
368	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
369	depends on ARCH_AT91
370	help
371	  This supports the use of the I2C interface on Atmel AT91
372	  processors.
373
374	  A serious problem is that there is no documented way to issue
375	  repeated START conditions for more than two messages, as needed
376	  to support combined I2C messages.  Use the i2c-gpio driver
377	  unless your system can cope with this limitation.
378
379	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
380	  don't have clock stretching in transmission mode. For that reason,
381	  you can encounter underrun issues causing premature stop sendings if
382	  the latency to fill the transmission register is too long. If you
383	  are facing this situation, use the i2c-gpio driver.
384
385config I2C_AU1550
386	tristate "Au1550/Au1200/Au1300 SMBus interface"
387	depends on MIPS_ALCHEMY
388	help
389	  If you say yes to this option, support will be included for the
390	  Au1550/Au1200/Au1300 SMBus interface.
391
392	  This driver can also be built as a module.  If so, the module
393	  will be called i2c-au1550.
394
395config I2C_AXXIA
396	tristate "Axxia I2C controller"
397	depends on ARCH_AXXIA || COMPILE_TEST
398	default ARCH_AXXIA
399	help
400	  Say yes if you want to support the I2C bus on Axxia platforms.
401
402	  Please note that this controller is limited to transfers of maximum
403	  255 bytes in length. Any attempt to to a larger transfer will return
404	  an error.
405
406config I2C_BCM2835
407	tristate "Broadcom BCM2835 I2C controller"
408	depends on ARCH_BCM2835
409	help
410	  If you say yes to this option, support will be included for the
411	  BCM2835 I2C controller.
412
413	  If you don't know what to do here, say N.
414
415	  This support is also available as a module.  If so, the module
416	  will be called i2c-bcm2835.
417
418config I2C_BCM_IPROC
419	tristate "Broadcom iProc I2C controller"
420	depends on ARCH_BCM_IPROC || COMPILE_TEST
421	default ARCH_BCM_IPROC
422	help
423	  If you say yes to this option, support will be included for the
424	  Broadcom iProc I2C controller.
425
426	  If you don't know what to do here, say N.
427
428config I2C_BCM_KONA
429	tristate "BCM Kona I2C adapter"
430	depends on ARCH_BCM_MOBILE
431	default y
432	help
433	  If you say yes to this option, support will be included for the
434	  I2C interface on the Broadcom Kona family of processors.
435
436	  If you do not need KONA I2C interface, say N.
437
438config I2C_BRCMSTB
439	tristate "BRCM Settop I2C controller"
440	depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
441	default y
442	help
443	  If you say yes to this option, support will be included for the
444	  I2C interface on the Broadcom Settop SoCs.
445
446	  If you do not need I2C interface, say N.
447
448config I2C_CADENCE
449	tristate "Cadence I2C Controller"
450	depends on ARCH_ZYNQ || ARM64 || XTENSA
451	help
452	  Say yes here to select Cadence I2C Host Controller. This controller is
453	  e.g. used by Xilinx Zynq.
454
455config I2C_CBUS_GPIO
456	tristate "CBUS I2C driver"
457	depends on GPIOLIB || COMPILE_TEST
458	help
459	  Support for CBUS access using I2C API. Mostly relevant for Nokia
460	  Internet Tablets (770, N800 and N810).
461
462	  This driver can also be built as a module.  If so, the module
463	  will be called i2c-cbus-gpio.
464
465config I2C_CPM
466	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
467	depends on CPM1 || CPM2
468	help
469	  This supports the use of the I2C interface on Freescale
470	  processors with CPM1 or CPM2.
471
472	  This driver can also be built as a module.  If so, the module
473	  will be called i2c-cpm.
474
475config I2C_DAVINCI
476	tristate "DaVinci I2C driver"
477	depends on ARCH_DAVINCI || ARCH_KEYSTONE
478	help
479	  Support for TI DaVinci I2C controller driver.
480
481	  This driver can also be built as a module.  If so, the module
482	  will be called i2c-davinci.
483
484	  Please note that this driver might be needed to bring up other
485	  devices such as DaVinci NIC.
486	  For details please see http://www.ti.com/davinci
487
488config I2C_DESIGNWARE_CORE
489	tristate
490
491config I2C_DESIGNWARE_PLATFORM
492	tristate "Synopsys DesignWare Platform"
493	select I2C_DESIGNWARE_CORE
494	depends on (ACPI && COMMON_CLK) || !ACPI
495	help
496	  If you say yes to this option, support will be included for the
497	  Synopsys DesignWare I2C adapter.
498
499	  This driver can also be built as a module.  If so, the module
500	  will be called i2c-designware-platform.
501
502config I2C_DESIGNWARE_SLAVE
503	bool "Synopsys DesignWare Slave"
504	select I2C_SLAVE
505	depends on I2C_DESIGNWARE_PLATFORM
506	help
507	  If you say yes to this option, support will be included for the
508	  Synopsys DesignWare I2C slave adapter.
509
510	  This is not a standalone module, this module compiles together with
511	  i2c-designware-core.
512
513config I2C_DESIGNWARE_PCI
514	tristate "Synopsys DesignWare PCI"
515	depends on PCI
516	select I2C_DESIGNWARE_CORE
517	help
518	  If you say yes to this option, support will be included for the
519	  Synopsys DesignWare I2C adapter. Only master mode is supported.
520
521	  This driver can also be built as a module.  If so, the module
522	  will be called i2c-designware-pci.
523
524config I2C_DESIGNWARE_BAYTRAIL
525	bool "Intel Baytrail I2C semaphore support"
526	depends on ACPI
527	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
528		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
529	help
530	  This driver enables managed host access to the PMIC I2C bus on select
531	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
532	  the host to request uninterrupted access to the PMIC's I2C bus from
533	  the platform firmware controlling it. You should say Y if running on
534	  a BayTrail system using the AXP288.
535
536config I2C_DIGICOLOR
537	tristate "Conexant Digicolor I2C driver"
538	depends on ARCH_DIGICOLOR
539	help
540	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
541
542	  This driver can also be built as a module.  If so, the module
543	  will be called i2c-digicolor.
544
545config I2C_EFM32
546	tristate "EFM32 I2C controller"
547	depends on ARCH_EFM32 || COMPILE_TEST
548	help
549	  This driver supports the i2c block found in Energy Micro's EFM32
550	  SoCs.
551
552config I2C_EG20T
553	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
554	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
555	help
556	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
557	  is an IOH(Input/Output Hub) for x86 embedded processor.
558	  This driver can access PCH I2C bus device.
559
560	  This driver also can be used for LAPIS Semiconductor IOH(Input/
561	  Output Hub), ML7213, ML7223 and ML7831.
562	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
563	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
564	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
565	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
566
567config I2C_EMEV2
568	tristate "EMMA Mobile series I2C adapter"
569	depends on HAVE_CLK
570	select I2C_SLAVE
571	help
572	  If you say yes to this option, support will be included for the
573	  I2C interface on the Renesas Electronics EM/EV family of processors.
574
575config I2C_EXYNOS5
576	tristate "Exynos5 high-speed I2C driver"
577	depends on ARCH_EXYNOS && OF
578	default y
579	help
580	  High-speed I2C controller on Exynos5 based Samsung SoCs.
581
582config I2C_GPIO
583	tristate "GPIO-based bitbanging I2C"
584	depends on GPIOLIB || COMPILE_TEST
585	select I2C_ALGOBIT
586	help
587	  This is a very simple bitbanging I2C driver utilizing the
588	  arch-neutral GPIO API to control the SCL and SDA lines.
589
590config I2C_GPIO_FAULT_INJECTOR
591	bool "GPIO-based fault injector"
592	depends on I2C_GPIO
593	help
594	  This adds some functionality to the i2c-gpio driver which can inject
595	  faults to an I2C bus, so another bus master can be stress-tested.
596	  This is for debugging. If unsure, say 'no'.
597
598config I2C_HIGHLANDER
599	tristate "Highlander FPGA SMBus interface"
600	depends on SH_HIGHLANDER
601	help
602	  If you say yes to this option, support will be included for
603	  the SMBus interface located in the FPGA on various Highlander
604	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
605	  FPGAs. This is wholly unrelated to the SoC I2C.
606
607	  This driver can also be built as a module.  If so, the module
608	  will be called i2c-highlander.
609
610config I2C_IBM_IIC
611	tristate "IBM PPC 4xx on-chip I2C interface"
612	depends on 4xx
613	help
614	  Say Y here if you want to use IIC peripheral found on
615	  embedded IBM PPC 4xx based systems.
616
617	  This driver can also be built as a module.  If so, the module
618	  will be called i2c-ibm_iic.
619
620config I2C_IMG
621	tristate "Imagination Technologies I2C SCB Controller"
622	depends on MIPS || COMPILE_TEST
623	help
624	  Say Y here if you want to use the IMG I2C SCB controller,
625	  available on the TZ1090 and other IMG SoCs.
626
627	  This driver can also be built as a module.  If so, the module
628	  will be called i2c-img-scb.
629
630config I2C_IMX
631	tristate "IMX I2C interface"
632	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE
633	help
634	  Say Y here if you want to use the IIC bus controller on
635	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
636
637	  This driver can also be built as a module.  If so, the module
638	  will be called i2c-imx.
639
640config I2C_IMX_LPI2C
641	tristate "IMX Low Power I2C interface"
642	depends on ARCH_MXC || COMPILE_TEST
643	help
644          Say Y here if you want to use the Low Power IIC bus controller
645          on the Freescale i.MX processors.
646
647          This driver can also be built as a module. If so, the module
648          will be called i2c-imx-lpi2c.
649
650config I2C_IOP3XX
651	tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
652	depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
653	help
654	  Say Y here if you want to use the IIC bus controller on
655	  the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
656
657	  This driver can also be built as a module.  If so, the module
658	  will be called i2c-iop3xx.
659
660config I2C_JZ4780
661	tristate "JZ4780 I2C controller interface support"
662	depends on MACH_JZ4780 || COMPILE_TEST
663	help
664	 If you say yes to this option, support will be included for the
665	 Ingenic JZ4780 I2C controller.
666
667	 If you don't know what to do here, say N.
668
669config I2C_KEMPLD
670	tristate "Kontron COM I2C Controller"
671	depends on MFD_KEMPLD
672	help
673	  This enables support for the I2C bus interface on some Kontron ETX
674	  and COMexpress (ETXexpress) modules.
675
676	  This driver can also be built as a module. If so, the module
677	  will be called i2c-kempld.
678
679config I2C_LPC2K
680	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
681	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
682	help
683	  This driver supports the I2C interface found several NXP
684	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
685
686	  This driver can also be built as a module.  If so, the module
687	  will be called i2c-lpc2k.
688
689config I2C_MESON
690	tristate "Amlogic Meson I2C controller"
691	depends on ARCH_MESON || COMPILE_TEST
692	help
693	  If you say yes to this option, support will be included for the
694	  I2C interface on the Amlogic Meson family of SoCs.
695
696config I2C_MPC
697	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
698	depends on PPC
699	help
700	  If you say yes to this option, support will be included for the
701	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
702	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
703
704	  This driver can also be built as a module.  If so, the module
705	  will be called i2c-mpc.
706
707config I2C_MT65XX
708	tristate "MediaTek I2C adapter"
709	depends on ARCH_MEDIATEK || COMPILE_TEST
710	depends on HAS_DMA
711	help
712	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
713	  for MT65xx and MT81xx.
714	  If you want to use MediaTek(R) I2C interface, say Y or M here.
715	  If unsure, say N.
716
717config I2C_MV64XXX
718	tristate "Marvell mv64xxx I2C Controller"
719	depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
720	help
721	  If you say yes to this option, support will be included for the
722	  built-in I2C interface on the Marvell 64xxx line of host bridges.
723	  This driver is also used for Allwinner SoCs I2C controllers.
724
725	  This driver can also be built as a module.  If so, the module
726	  will be called i2c-mv64xxx.
727
728config I2C_MXS
729	tristate "Freescale i.MX28 I2C interface"
730	depends on SOC_IMX28
731	select STMP_DEVICE
732	help
733	  Say Y here if you want to use the I2C bus controller on
734	  the Freescale i.MX28 processors.
735
736	  This driver can also be built as a module.  If so, the module
737	  will be called i2c-mxs.
738
739config I2C_NOMADIK
740	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
741	depends on ARM_AMBA
742	help
743	  If you say yes to this option, support will be included for the
744	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
745	  as well as the STA2X11 PCIe I/O HUB.
746
747config I2C_OCORES
748	tristate "OpenCores I2C Controller"
749	help
750	  If you say yes to this option, support will be included for the
751	  OpenCores I2C controller. For details see
752	  http://www.opencores.org/projects.cgi/web/i2c/overview
753
754	  This driver can also be built as a module.  If so, the module
755	  will be called i2c-ocores.
756
757config I2C_OMAP
758	tristate "OMAP I2C adapter"
759	depends on ARCH_OMAP
760	default y if MACH_OMAP_H3 || MACH_OMAP_OSK
761	help
762	  If you say yes to this option, support will be included for the
763	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
764	  Like OMAP1510/1610/1710/5912 and OMAP242x.
765	  For details see http://www.ti.com/omap.
766
767config I2C_PASEMI
768	tristate "PA Semi SMBus interface"
769	depends on PPC_PASEMI && PCI
770	help
771	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
772
773config I2C_PCA_PLATFORM
774	tristate "PCA9564/PCA9665 as platform device"
775	select I2C_ALGOPCA
776	default n
777	help
778	  This driver supports a memory mapped Philips PCA9564/PCA9665
779	  parallel bus to I2C bus controller.
780
781	  This driver can also be built as a module.  If so, the module
782	  will be called i2c-pca-platform.
783
784config I2C_PMCMSP
785	tristate "PMC MSP I2C TWI Controller"
786	depends on PMC_MSP
787	help
788	  This driver supports the PMC TWI controller on MSP devices.
789
790	  This driver can also be built as module. If so, the module
791	  will be called i2c-pmcmsp.
792
793config I2C_PNX
794	tristate "I2C bus support for Philips PNX and NXP LPC targets"
795	depends on ARCH_LPC32XX
796	help
797	  This driver supports the Philips IP3204 I2C IP block master and/or
798	  slave controller
799
800	  This driver can also be built as a module.  If so, the module
801	  will be called i2c-pnx.
802
803config I2C_PUV3
804	tristate "PKUnity v3 I2C bus support"
805	depends on UNICORE32 && ARCH_PUV3
806	select I2C_ALGOBIT
807	help
808	  This driver supports the I2C IP inside the PKUnity-v3 SoC.
809	  This I2C bus controller is under AMBA/AXI bus.
810
811	  This driver can also be built as a module.  If so, the module
812	  will be called i2c-puv3.
813
814config I2C_PXA
815	tristate "Intel PXA2XX I2C adapter"
816	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF)
817	help
818	  If you have devices in the PXA I2C bus, say yes to this option.
819	  This driver can also be built as a module.  If so, the module
820	  will be called i2c-pxa.
821
822config I2C_PXA_PCI
823	def_bool I2C_PXA && X86_32 && PCI && OF
824
825config I2C_PXA_SLAVE
826	bool "Intel PXA2XX I2C Slave comms support"
827	depends on I2C_PXA && !X86_32
828	help
829	  Support I2C slave mode communications on the PXA I2C bus.  This
830	  is necessary for systems where the PXA may be a target on the
831	  I2C bus.
832
833config I2C_QUP
834	tristate "Qualcomm QUP based I2C controller"
835	depends on ARCH_QCOM
836	help
837	  If you say yes to this option, support will be included for the
838	  built-in I2C interface on the Qualcomm SoCs.
839
840	  This driver can also be built as a module.  If so, the module
841	  will be called i2c-qup.
842
843config I2C_RIIC
844	tristate "Renesas RIIC adapter"
845	depends on ARCH_RENESAS || COMPILE_TEST
846	help
847	  If you say yes to this option, support will be included for the
848	  Renesas RIIC I2C interface.
849
850	  This driver can also be built as a module.  If so, the module
851	  will be called i2c-riic.
852
853config I2C_RK3X
854	tristate "Rockchip RK3xxx I2C adapter"
855	depends on OF && COMMON_CLK
856	help
857	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
858	  SoCs.
859
860	  This driver can also be built as a module. If so, the module will
861	  be called i2c-rk3x.
862
863config HAVE_S3C2410_I2C
864	bool
865	help
866	  This will include I2C support for Samsung SoCs. If you want to
867	  include I2C support for any machine, kindly select this in the
868	  respective Kconfig file.
869
870config I2C_S3C2410
871	tristate "S3C2410 I2C Driver"
872	depends on HAVE_S3C2410_I2C
873	help
874	  Say Y here to include support for I2C controller in the
875	  Samsung SoCs.
876
877config I2C_SH7760
878	tristate "Renesas SH7760 I2C Controller"
879	depends on CPU_SUBTYPE_SH7760
880	help
881	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
882
883	  This driver can also be built as a module.  If so, the module
884	  will be called i2c-sh7760.
885
886config I2C_SH_MOBILE
887	tristate "SuperH Mobile I2C Controller"
888	depends on HAS_DMA
889	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
890	help
891	  If you say yes to this option, support will be included for the
892	  built-in I2C interface on the Renesas SH-Mobile processor.
893
894	  This driver can also be built as a module.  If so, the module
895	  will be called i2c-sh_mobile.
896
897config I2C_SIMTEC
898	tristate "Simtec Generic I2C interface"
899	select I2C_ALGOBIT
900	help
901	  If you say yes to this option, support will be included for
902	  the Simtec Generic I2C interface. This driver is for the
903	  simple I2C bus used on newer Simtec products for general
904	  I2C, such as DDC on the Simtec BBD2016A.
905
906	  This driver can also be built as a module. If so, the module
907	  will be called i2c-simtec.
908
909config I2C_SIRF
910	tristate "CSR SiRFprimaII I2C interface"
911	depends on ARCH_SIRF
912	help
913	  If you say yes to this option, support will be included for the
914	  CSR SiRFprimaII I2C interface.
915
916	  This driver can also be built as a module.  If so, the module
917	  will be called i2c-sirf.
918
919config I2C_SPRD
920	bool "Spreadtrum I2C interface"
921	depends on I2C=y && ARCH_SPRD
922	help
923	  If you say yes to this option, support will be included for the
924	  Spreadtrum I2C interface.
925
926config I2C_ST
927	tristate "STMicroelectronics SSC I2C support"
928	depends on ARCH_STI
929	help
930	  Enable this option to add support for STMicroelectronics SoCs
931	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
932
933	  This driver can also be built as module. If so, the module
934	  will be called i2c-st.
935
936config I2C_STM32F4
937	tristate "STMicroelectronics STM32F4 I2C support"
938	depends on ARCH_STM32 || COMPILE_TEST
939	help
940	  Enable this option to add support for STM32 I2C controller embedded
941	  in STM32F4 SoCs.
942
943	  This driver can also be built as module. If so, the module
944	  will be called i2c-stm32f4.
945
946config I2C_STM32F7
947	tristate "STMicroelectronics STM32F7 I2C support"
948	depends on ARCH_STM32 || COMPILE_TEST
949	help
950	  Enable this option to add support for STM32 I2C controller embedded
951	  in STM32F7 SoCs.
952
953	  This driver can also be built as module. If so, the module
954	  will be called i2c-stm32f7.
955
956config I2C_STU300
957	tristate "ST Microelectronics DDC I2C interface"
958	depends on MACH_U300
959	default y if MACH_U300
960	help
961	  If you say yes to this option, support will be included for the
962	  I2C interface from ST Microelectronics simply called "DDC I2C"
963	  supporting both I2C and DDC, used in e.g. the U300 series
964	  mobile platforms.
965
966	  This driver can also be built as a module. If so, the module
967	  will be called i2c-stu300.
968
969config I2C_SUN6I_P2WI
970	tristate "Allwinner sun6i internal P2WI controller"
971	depends on RESET_CONTROLLER
972	depends on MACH_SUN6I || COMPILE_TEST
973	help
974	  If you say yes to this option, support will be included for the
975	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
976	  SOCs.
977	  The P2WI looks like an SMBus controller (which supports only byte
978	  accesses), except that it only supports one slave device.
979	  This interface is used to connect to specific PMIC devices (like the
980	  AXP221).
981
982config I2C_TEGRA
983	tristate "NVIDIA Tegra internal I2C controller"
984	depends on ARCH_TEGRA
985	help
986	  If you say yes to this option, support will be included for the
987	  I2C controller embedded in NVIDIA Tegra SOCs
988
989config I2C_TEGRA_BPMP
990	tristate "NVIDIA Tegra BPMP I2C controller"
991	depends on TEGRA_BPMP
992	default y
993	help
994	  If you say yes to this option, support will be included for the I2C
995	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
996
997	  This I2C driver is a 'virtual' I2C driver. The real driver is part
998	  of the BPMP firmware, and this driver merely communicates with that
999	  real driver.
1000
1001config I2C_UNIPHIER
1002	tristate "UniPhier FIFO-less I2C controller"
1003	depends on ARCH_UNIPHIER || COMPILE_TEST
1004	help
1005	  If you say yes to this option, support will be included for
1006	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1007	  or older UniPhier SoCs.
1008
1009config I2C_UNIPHIER_F
1010	tristate "UniPhier FIFO-builtin I2C controller"
1011	depends on ARCH_UNIPHIER || COMPILE_TEST
1012	help
1013	  If you say yes to this option, support will be included for
1014	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1015	  PH1-Pro5, or newer UniPhier SoCs.
1016
1017config I2C_VERSATILE
1018	tristate "ARM Versatile/Realview I2C bus support"
1019	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1020	select I2C_ALGOBIT
1021	help
1022	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1023	  range of platforms.
1024
1025	  This driver can also be built as a module.  If so, the module
1026	  will be called i2c-versatile.
1027
1028config I2C_WMT
1029	tristate "Wondermedia WM8xxx SoC I2C bus support"
1030	depends on ARCH_VT8500
1031	help
1032	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1033	  SoCs.
1034
1035	  This driver can also be built as a module. If so, the module will be
1036	  called i2c-wmt.
1037
1038config I2C_OCTEON
1039	tristate "Cavium OCTEON I2C bus support"
1040	depends on CAVIUM_OCTEON_SOC
1041	help
1042	  Say yes if you want to support the I2C serial bus on Cavium
1043	  OCTEON SOC.
1044
1045	  This driver can also be built as a module.  If so, the module
1046	  will be called i2c-octeon.
1047
1048config I2C_THUNDERX
1049	tristate "Cavium ThunderX I2C bus support"
1050	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1051	select I2C_SMBUS
1052	help
1053	  Say yes if you want to support the I2C serial bus on Cavium
1054	  ThunderX SOC.
1055
1056	  This driver can also be built as a module.  If so, the module
1057	  will be called i2c-thunderx.
1058
1059config I2C_XILINX
1060	tristate "Xilinx I2C Controller"
1061	depends on HAS_IOMEM
1062	help
1063	  If you say yes to this option, support will be included for the
1064	  Xilinx I2C controller.
1065
1066	  This driver can also be built as a module.  If so, the module
1067	  will be called xilinx_i2c.
1068
1069config I2C_XLR
1070	tristate "Netlogic XLR and Sigma Designs I2C support"
1071	depends on CPU_XLR || ARCH_TANGO
1072	help
1073	  This driver enables support for the on-chip I2C interface of
1074	  the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
1075
1076	  This driver can also be built as a module.  If so, the module
1077	  will be called i2c-xlr.
1078
1079config I2C_XLP9XX
1080	tristate "XLP9XX I2C support"
1081	depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST
1082	help
1083	  This driver enables support for the on-chip I2C interface of
1084	  the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
1085
1086	  This driver can also be built as a module.  If so, the module will
1087	  be called i2c-xlp9xx.
1088
1089config I2C_RCAR
1090	tristate "Renesas R-Car I2C Controller"
1091	depends on HAS_DMA
1092	depends on ARCH_RENESAS || COMPILE_TEST
1093	select I2C_SLAVE
1094	help
1095	  If you say yes to this option, support will be included for the
1096	  R-Car I2C controller.
1097
1098	  This driver can also be built as a module.  If so, the module
1099	  will be called i2c-rcar.
1100
1101comment "External I2C/SMBus adapter drivers"
1102
1103config I2C_DIOLAN_U2C
1104	tristate "Diolan U2C-12 USB adapter"
1105	depends on USB
1106	help
1107	  If you say yes to this option, support will be included for Diolan
1108	  U2C-12, a USB to I2C interface.
1109
1110	  This driver can also be built as a module.  If so, the module
1111	  will be called i2c-diolan-u2c.
1112
1113config I2C_DLN2
1114       tristate "Diolan DLN-2 USB I2C adapter"
1115       depends on MFD_DLN2
1116       help
1117	 If you say yes to this option, support will be included for Diolan
1118	 DLN2, a USB to I2C interface.
1119
1120	 This driver can also be built as a module.  If so, the module
1121	 will be called i2c-dln2.
1122
1123config I2C_PARPORT
1124	tristate "Parallel port adapter"
1125	depends on PARPORT
1126	select I2C_ALGOBIT
1127	select I2C_SMBUS
1128	help
1129	  This supports parallel port I2C adapters such as the ones made by
1130	  Philips or Velleman, Analog Devices evaluation boards, and more.
1131	  Basically any adapter using the parallel port as an I2C bus with
1132	  no extra chipset is supported by this driver, or could be.
1133
1134	  This driver is a replacement for (and was inspired by) an older
1135	  driver named i2c-philips-par.  The new driver supports more devices,
1136	  and makes it easier to add support for new devices.
1137
1138	  An adapter type parameter is now mandatory.  Please read the file
1139	  Documentation/i2c/busses/i2c-parport for details.
1140
1141	  Another driver exists, named i2c-parport-light, which doesn't depend
1142	  on the parport driver.  This is meant for embedded systems. Don't say
1143	  Y here if you intend to say Y or M there.
1144
1145	  This support is also available as a module.  If so, the module
1146	  will be called i2c-parport.
1147
1148config I2C_PARPORT_LIGHT
1149	tristate "Parallel port adapter (light)"
1150	select I2C_ALGOBIT
1151	select I2C_SMBUS
1152	help
1153	  This supports parallel port I2C adapters such as the ones made by
1154	  Philips or Velleman, Analog Devices evaluation boards, and more.
1155	  Basically any adapter using the parallel port as an I2C bus with
1156	  no extra chipset is supported by this driver, or could be.
1157
1158	  This driver is a light version of i2c-parport.  It doesn't depend
1159	  on the parport driver, and uses direct I/O access instead.  This
1160	  might be preferred on embedded systems where wasting memory for
1161	  the clean but heavy parport handling is not an option.  The
1162	  drawback is a reduced portability and the impossibility to
1163	  daisy-chain other parallel port devices.
1164
1165	  Don't say Y here if you said Y or M to i2c-parport.  Saying M to
1166	  both is possible but both modules should not be loaded at the same
1167	  time.
1168
1169	  This support is also available as a module.  If so, the module
1170	  will be called i2c-parport-light.
1171
1172config I2C_ROBOTFUZZ_OSIF
1173	tristate "RobotFuzz Open Source InterFace USB adapter"
1174	depends on USB
1175	help
1176	  If you say yes to this option, support will be included for the
1177	  RobotFuzz Open Source InterFace USB to I2C interface.
1178
1179	  This driver can also be built as a module.  If so, the module
1180	  will be called i2c-osif.
1181
1182config I2C_TAOS_EVM
1183	tristate "TAOS evaluation module"
1184	depends on TTY
1185	select SERIO
1186	select SERIO_SERPORT
1187	default n
1188	help
1189	  This supports TAOS evaluation modules on serial port. In order to
1190	  use this driver, you will need the inputattach tool, which is part
1191	  of the input-utils package.
1192
1193	  If unsure, say N.
1194
1195	  This support is also available as a module.  If so, the module
1196	  will be called i2c-taos-evm.
1197
1198config I2C_TINY_USB
1199	tristate "Tiny-USB adapter"
1200	depends on USB
1201	help
1202	  If you say yes to this option, support will be included for the
1203	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1204	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1205
1206	  This driver can also be built as a module.  If so, the module
1207	  will be called i2c-tiny-usb.
1208
1209config I2C_VIPERBOARD
1210	tristate "Viperboard I2C master support"
1211	depends on MFD_VIPERBOARD && USB
1212	help
1213	  Say yes here to access the I2C part of the Nano River
1214	  Technologies Viperboard as I2C master.
1215          See viperboard API specification and Nano
1216          River Tech's viperboard.h for detailed meaning
1217          of the module parameters.
1218
1219comment "Other I2C/SMBus bus drivers"
1220
1221config I2C_ACORN
1222	tristate "Acorn IOC/IOMD I2C bus support"
1223	depends on ARCH_ACORN
1224	default y
1225	select I2C_ALGOBIT
1226	help
1227	  Say yes if you want to support the I2C bus on Acorn platforms.
1228
1229	  If you don't know, say Y.
1230
1231config I2C_ELEKTOR
1232	tristate "Elektor ISA card"
1233	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1234	select I2C_ALGOPCF
1235	help
1236	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1237	  such an adapter.
1238
1239	  This support is also available as a module.  If so, the module
1240	  will be called i2c-elektor.
1241
1242config I2C_MLXCPLD
1243	tristate "Mellanox I2C driver"
1244	depends on X86_64
1245	help
1246	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1247	  for X86 based systems.
1248	  Controller is implemented as CPLD logic.
1249
1250	  This driver can also be built as a module. If so, the module will be
1251	  called as i2c-mlxcpld.
1252
1253config I2C_PCA_ISA
1254	tristate "PCA9564/PCA9665 on an ISA bus"
1255	depends on ISA
1256	select I2C_ALGOPCA
1257	default n
1258	help
1259	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1260	  parallel bus to I2C bus controller.
1261
1262	  This driver can also be built as a module.  If so, the module
1263	  will be called i2c-pca-isa.
1264
1265	  This device is almost undetectable and using this driver on a
1266	  system which doesn't have this device will result in long
1267	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1268	  time).  If unsure, say N.
1269
1270config I2C_SIBYTE
1271	tristate "SiByte SMBus interface"
1272	depends on SIBYTE_SB1xxx_SOC
1273	help
1274	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1275
1276config I2C_CROS_EC_TUNNEL
1277	tristate "ChromeOS EC tunnel I2C bus"
1278	depends on MFD_CROS_EC
1279	help
1280	  If you say yes here you get an I2C bus that will tunnel i2c commands
1281	  through to the other side of the ChromeOS EC to the i2c bus
1282	  connected there. This will work whatever the interface used to
1283	  talk to the EC (SPI, I2C or LPC).
1284
1285config I2C_XGENE_SLIMPRO
1286	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1287	depends on ARCH_XGENE && MAILBOX
1288	help
1289	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1290	  co-processor. The I2C device access the I2C bus via the X-Gene
1291	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1292	  If unsure, say N.
1293
1294config SCx200_ACB
1295	tristate "Geode ACCESS.bus support"
1296	depends on X86_32 && PCI
1297	help
1298	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1299	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1300
1301	  If you don't know what to do here, say N.
1302
1303	  This support is also available as a module.  If so, the module
1304	  will be called scx200_acb.
1305
1306config I2C_OPAL
1307	tristate "IBM OPAL I2C driver"
1308	depends on PPC_POWERNV
1309	default y
1310	help
1311	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1312	  the driver is based on the OPAL interfaces.
1313
1314	  This driver can also be built as a module. If so, the module will be
1315	  called as i2c-opal.
1316
1317config I2C_ZX2967
1318	tristate "ZTE ZX2967 I2C support"
1319	depends on ARCH_ZX
1320	default y
1321	help
1322	  Selecting this option will add ZX2967 I2C driver.
1323	  This driver can also be built as a module. If so, the module will be
1324	  called i2c-zx2967.
1325
1326endmenu
1327