xref: /openbmc/linux/drivers/i2c/busses/Kconfig (revision e0f6d1a5)
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	help
711	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
712	  for MT65xx and MT81xx.
713	  If you want to use MediaTek(R) I2C interface, say Y or M here.
714	  If unsure, say N.
715
716config I2C_MV64XXX
717	tristate "Marvell mv64xxx I2C Controller"
718	depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
719	help
720	  If you say yes to this option, support will be included for the
721	  built-in I2C interface on the Marvell 64xxx line of host bridges.
722	  This driver is also used for Allwinner SoCs I2C controllers.
723
724	  This driver can also be built as a module.  If so, the module
725	  will be called i2c-mv64xxx.
726
727config I2C_MXS
728	tristate "Freescale i.MX28 I2C interface"
729	depends on SOC_IMX28
730	select STMP_DEVICE
731	help
732	  Say Y here if you want to use the I2C bus controller on
733	  the Freescale i.MX28 processors.
734
735	  This driver can also be built as a module.  If so, the module
736	  will be called i2c-mxs.
737
738config I2C_NOMADIK
739	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
740	depends on ARM_AMBA
741	help
742	  If you say yes to this option, support will be included for the
743	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
744	  as well as the STA2X11 PCIe I/O HUB.
745
746config I2C_OCORES
747	tristate "OpenCores I2C Controller"
748	help
749	  If you say yes to this option, support will be included for the
750	  OpenCores I2C controller. For details see
751	  http://www.opencores.org/projects.cgi/web/i2c/overview
752
753	  This driver can also be built as a module.  If so, the module
754	  will be called i2c-ocores.
755
756config I2C_OMAP
757	tristate "OMAP I2C adapter"
758	depends on ARCH_OMAP
759	default y if MACH_OMAP_H3 || MACH_OMAP_OSK
760	help
761	  If you say yes to this option, support will be included for the
762	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
763	  Like OMAP1510/1610/1710/5912 and OMAP242x.
764	  For details see http://www.ti.com/omap.
765
766config I2C_PASEMI
767	tristate "PA Semi SMBus interface"
768	depends on PPC_PASEMI && PCI
769	help
770	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
771
772config I2C_PCA_PLATFORM
773	tristate "PCA9564/PCA9665 as platform device"
774	select I2C_ALGOPCA
775	default n
776	help
777	  This driver supports a memory mapped Philips PCA9564/PCA9665
778	  parallel bus to I2C bus controller.
779
780	  This driver can also be built as a module.  If so, the module
781	  will be called i2c-pca-platform.
782
783config I2C_PMCMSP
784	tristate "PMC MSP I2C TWI Controller"
785	depends on PMC_MSP
786	help
787	  This driver supports the PMC TWI controller on MSP devices.
788
789	  This driver can also be built as module. If so, the module
790	  will be called i2c-pmcmsp.
791
792config I2C_PNX
793	tristate "I2C bus support for Philips PNX and NXP LPC targets"
794	depends on ARCH_LPC32XX
795	help
796	  This driver supports the Philips IP3204 I2C IP block master and/or
797	  slave controller
798
799	  This driver can also be built as a module.  If so, the module
800	  will be called i2c-pnx.
801
802config I2C_PUV3
803	tristate "PKUnity v3 I2C bus support"
804	depends on UNICORE32 && ARCH_PUV3
805	select I2C_ALGOBIT
806	help
807	  This driver supports the I2C IP inside the PKUnity-v3 SoC.
808	  This I2C bus controller is under AMBA/AXI bus.
809
810	  This driver can also be built as a module.  If so, the module
811	  will be called i2c-puv3.
812
813config I2C_PXA
814	tristate "Intel PXA2XX I2C adapter"
815	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF)
816	help
817	  If you have devices in the PXA I2C bus, say yes to this option.
818	  This driver can also be built as a module.  If so, the module
819	  will be called i2c-pxa.
820
821config I2C_PXA_PCI
822	def_bool I2C_PXA && X86_32 && PCI && OF
823
824config I2C_PXA_SLAVE
825	bool "Intel PXA2XX I2C Slave comms support"
826	depends on I2C_PXA && !X86_32
827	help
828	  Support I2C slave mode communications on the PXA I2C bus.  This
829	  is necessary for systems where the PXA may be a target on the
830	  I2C bus.
831
832config I2C_QUP
833	tristate "Qualcomm QUP based I2C controller"
834	depends on ARCH_QCOM
835	help
836	  If you say yes to this option, support will be included for the
837	  built-in I2C interface on the Qualcomm SoCs.
838
839	  This driver can also be built as a module.  If so, the module
840	  will be called i2c-qup.
841
842config I2C_RIIC
843	tristate "Renesas RIIC adapter"
844	depends on ARCH_RENESAS || COMPILE_TEST
845	help
846	  If you say yes to this option, support will be included for the
847	  Renesas RIIC I2C interface.
848
849	  This driver can also be built as a module.  If so, the module
850	  will be called i2c-riic.
851
852config I2C_RK3X
853	tristate "Rockchip RK3xxx I2C adapter"
854	depends on OF && COMMON_CLK
855	help
856	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
857	  SoCs.
858
859	  This driver can also be built as a module. If so, the module will
860	  be called i2c-rk3x.
861
862config HAVE_S3C2410_I2C
863	bool
864	help
865	  This will include I2C support for Samsung SoCs. If you want to
866	  include I2C support for any machine, kindly select this in the
867	  respective Kconfig file.
868
869config I2C_S3C2410
870	tristate "S3C2410 I2C Driver"
871	depends on HAVE_S3C2410_I2C
872	help
873	  Say Y here to include support for I2C controller in the
874	  Samsung SoCs.
875
876config I2C_SH7760
877	tristate "Renesas SH7760 I2C Controller"
878	depends on CPU_SUBTYPE_SH7760
879	help
880	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
881
882	  This driver can also be built as a module.  If so, the module
883	  will be called i2c-sh7760.
884
885config I2C_SH_MOBILE
886	tristate "SuperH Mobile I2C Controller"
887	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
888	help
889	  If you say yes to this option, support will be included for the
890	  built-in I2C interface on the Renesas SH-Mobile processor.
891
892	  This driver can also be built as a module.  If so, the module
893	  will be called i2c-sh_mobile.
894
895config I2C_SIMTEC
896	tristate "Simtec Generic I2C interface"
897	select I2C_ALGOBIT
898	help
899	  If you say yes to this option, support will be included for
900	  the Simtec Generic I2C interface. This driver is for the
901	  simple I2C bus used on newer Simtec products for general
902	  I2C, such as DDC on the Simtec BBD2016A.
903
904	  This driver can also be built as a module. If so, the module
905	  will be called i2c-simtec.
906
907config I2C_SIRF
908	tristate "CSR SiRFprimaII I2C interface"
909	depends on ARCH_SIRF
910	help
911	  If you say yes to this option, support will be included for the
912	  CSR SiRFprimaII I2C interface.
913
914	  This driver can also be built as a module.  If so, the module
915	  will be called i2c-sirf.
916
917config I2C_SPRD
918	bool "Spreadtrum I2C interface"
919	depends on I2C=y && ARCH_SPRD
920	help
921	  If you say yes to this option, support will be included for the
922	  Spreadtrum I2C interface.
923
924config I2C_ST
925	tristate "STMicroelectronics SSC I2C support"
926	depends on ARCH_STI
927	help
928	  Enable this option to add support for STMicroelectronics SoCs
929	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
930
931	  This driver can also be built as module. If so, the module
932	  will be called i2c-st.
933
934config I2C_STM32F4
935	tristate "STMicroelectronics STM32F4 I2C support"
936	depends on ARCH_STM32 || COMPILE_TEST
937	help
938	  Enable this option to add support for STM32 I2C controller embedded
939	  in STM32F4 SoCs.
940
941	  This driver can also be built as module. If so, the module
942	  will be called i2c-stm32f4.
943
944config I2C_STM32F7
945	tristate "STMicroelectronics STM32F7 I2C support"
946	depends on ARCH_STM32 || COMPILE_TEST
947	help
948	  Enable this option to add support for STM32 I2C controller embedded
949	  in STM32F7 SoCs.
950
951	  This driver can also be built as module. If so, the module
952	  will be called i2c-stm32f7.
953
954config I2C_STU300
955	tristate "ST Microelectronics DDC I2C interface"
956	depends on MACH_U300
957	default y if MACH_U300
958	help
959	  If you say yes to this option, support will be included for the
960	  I2C interface from ST Microelectronics simply called "DDC I2C"
961	  supporting both I2C and DDC, used in e.g. the U300 series
962	  mobile platforms.
963
964	  This driver can also be built as a module. If so, the module
965	  will be called i2c-stu300.
966
967config I2C_SUN6I_P2WI
968	tristate "Allwinner sun6i internal P2WI controller"
969	depends on RESET_CONTROLLER
970	depends on MACH_SUN6I || COMPILE_TEST
971	help
972	  If you say yes to this option, support will be included for the
973	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
974	  SOCs.
975	  The P2WI looks like an SMBus controller (which supports only byte
976	  accesses), except that it only supports one slave device.
977	  This interface is used to connect to specific PMIC devices (like the
978	  AXP221).
979
980config I2C_SYNQUACER
981	tristate "Socionext SynQuacer I2C controller"
982	depends on ARCH_SYNQUACER || COMPILE_TEST
983	help
984	  Say Y here to include support for the I2C controller used in some
985	  Fujitsu and Socionext SoCs.
986
987	  This driver can also be built as a module. If so, the module
988	  will be called i2c-synquacer.
989
990config I2C_TEGRA
991	tristate "NVIDIA Tegra internal I2C controller"
992	depends on ARCH_TEGRA
993	help
994	  If you say yes to this option, support will be included for the
995	  I2C controller embedded in NVIDIA Tegra SOCs
996
997config I2C_TEGRA_BPMP
998	tristate "NVIDIA Tegra BPMP I2C controller"
999	depends on TEGRA_BPMP
1000	default y
1001	help
1002	  If you say yes to this option, support will be included for the I2C
1003	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1004
1005	  This I2C driver is a 'virtual' I2C driver. The real driver is part
1006	  of the BPMP firmware, and this driver merely communicates with that
1007	  real driver.
1008
1009config I2C_UNIPHIER
1010	tristate "UniPhier FIFO-less 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-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1015	  or older UniPhier SoCs.
1016
1017config I2C_UNIPHIER_F
1018	tristate "UniPhier FIFO-builtin I2C controller"
1019	depends on ARCH_UNIPHIER || COMPILE_TEST
1020	help
1021	  If you say yes to this option, support will be included for
1022	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1023	  PH1-Pro5, or newer UniPhier SoCs.
1024
1025config I2C_VERSATILE
1026	tristate "ARM Versatile/Realview I2C bus support"
1027	depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1028	select I2C_ALGOBIT
1029	help
1030	  Say yes if you want to support the I2C serial bus on ARMs Versatile
1031	  range of platforms.
1032
1033	  This driver can also be built as a module.  If so, the module
1034	  will be called i2c-versatile.
1035
1036config I2C_WMT
1037	tristate "Wondermedia WM8xxx SoC I2C bus support"
1038	depends on ARCH_VT8500
1039	help
1040	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1041	  SoCs.
1042
1043	  This driver can also be built as a module. If so, the module will be
1044	  called i2c-wmt.
1045
1046config I2C_OCTEON
1047	tristate "Cavium OCTEON I2C bus support"
1048	depends on CAVIUM_OCTEON_SOC
1049	help
1050	  Say yes if you want to support the I2C serial bus on Cavium
1051	  OCTEON SOC.
1052
1053	  This driver can also be built as a module.  If so, the module
1054	  will be called i2c-octeon.
1055
1056config I2C_THUNDERX
1057	tristate "Cavium ThunderX I2C bus support"
1058	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1059	select I2C_SMBUS
1060	help
1061	  Say yes if you want to support the I2C serial bus on Cavium
1062	  ThunderX SOC.
1063
1064	  This driver can also be built as a module.  If so, the module
1065	  will be called i2c-thunderx.
1066
1067config I2C_XILINX
1068	tristate "Xilinx I2C Controller"
1069	depends on HAS_IOMEM
1070	help
1071	  If you say yes to this option, support will be included for the
1072	  Xilinx I2C controller.
1073
1074	  This driver can also be built as a module.  If so, the module
1075	  will be called xilinx_i2c.
1076
1077config I2C_XLR
1078	tristate "Netlogic XLR and Sigma Designs I2C support"
1079	depends on CPU_XLR || ARCH_TANGO
1080	help
1081	  This driver enables support for the on-chip I2C interface of
1082	  the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
1083
1084	  This driver can also be built as a module.  If so, the module
1085	  will be called i2c-xlr.
1086
1087config I2C_XLP9XX
1088	tristate "XLP9XX I2C support"
1089	depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST
1090	help
1091	  This driver enables support for the on-chip I2C interface of
1092	  the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
1093
1094	  This driver can also be built as a module.  If so, the module will
1095	  be called i2c-xlp9xx.
1096
1097config I2C_RCAR
1098	tristate "Renesas R-Car I2C Controller"
1099	depends on ARCH_RENESAS || COMPILE_TEST
1100	select I2C_SLAVE
1101	help
1102	  If you say yes to this option, support will be included for the
1103	  R-Car I2C controller.
1104
1105	  This driver can also be built as a module.  If so, the module
1106	  will be called i2c-rcar.
1107
1108comment "External I2C/SMBus adapter drivers"
1109
1110config I2C_DIOLAN_U2C
1111	tristate "Diolan U2C-12 USB adapter"
1112	depends on USB
1113	help
1114	  If you say yes to this option, support will be included for Diolan
1115	  U2C-12, a USB to I2C interface.
1116
1117	  This driver can also be built as a module.  If so, the module
1118	  will be called i2c-diolan-u2c.
1119
1120config I2C_DLN2
1121       tristate "Diolan DLN-2 USB I2C adapter"
1122       depends on MFD_DLN2
1123       help
1124	 If you say yes to this option, support will be included for Diolan
1125	 DLN2, a USB to I2C interface.
1126
1127	 This driver can also be built as a module.  If so, the module
1128	 will be called i2c-dln2.
1129
1130config I2C_PARPORT
1131	tristate "Parallel port adapter"
1132	depends on PARPORT
1133	select I2C_ALGOBIT
1134	select I2C_SMBUS
1135	help
1136	  This supports parallel port I2C adapters such as the ones made by
1137	  Philips or Velleman, Analog Devices evaluation boards, and more.
1138	  Basically any adapter using the parallel port as an I2C bus with
1139	  no extra chipset is supported by this driver, or could be.
1140
1141	  This driver is a replacement for (and was inspired by) an older
1142	  driver named i2c-philips-par.  The new driver supports more devices,
1143	  and makes it easier to add support for new devices.
1144
1145	  An adapter type parameter is now mandatory.  Please read the file
1146	  Documentation/i2c/busses/i2c-parport for details.
1147
1148	  Another driver exists, named i2c-parport-light, which doesn't depend
1149	  on the parport driver.  This is meant for embedded systems. Don't say
1150	  Y here if you intend to say Y or M there.
1151
1152	  This support is also available as a module.  If so, the module
1153	  will be called i2c-parport.
1154
1155config I2C_PARPORT_LIGHT
1156	tristate "Parallel port adapter (light)"
1157	select I2C_ALGOBIT
1158	select I2C_SMBUS
1159	help
1160	  This supports parallel port I2C adapters such as the ones made by
1161	  Philips or Velleman, Analog Devices evaluation boards, and more.
1162	  Basically any adapter using the parallel port as an I2C bus with
1163	  no extra chipset is supported by this driver, or could be.
1164
1165	  This driver is a light version of i2c-parport.  It doesn't depend
1166	  on the parport driver, and uses direct I/O access instead.  This
1167	  might be preferred on embedded systems where wasting memory for
1168	  the clean but heavy parport handling is not an option.  The
1169	  drawback is a reduced portability and the impossibility to
1170	  daisy-chain other parallel port devices.
1171
1172	  Don't say Y here if you said Y or M to i2c-parport.  Saying M to
1173	  both is possible but both modules should not be loaded at the same
1174	  time.
1175
1176	  This support is also available as a module.  If so, the module
1177	  will be called i2c-parport-light.
1178
1179config I2C_ROBOTFUZZ_OSIF
1180	tristate "RobotFuzz Open Source InterFace USB adapter"
1181	depends on USB
1182	help
1183	  If you say yes to this option, support will be included for the
1184	  RobotFuzz Open Source InterFace USB to I2C interface.
1185
1186	  This driver can also be built as a module.  If so, the module
1187	  will be called i2c-osif.
1188
1189config I2C_TAOS_EVM
1190	tristate "TAOS evaluation module"
1191	depends on TTY
1192	select SERIO
1193	select SERIO_SERPORT
1194	default n
1195	help
1196	  This supports TAOS evaluation modules on serial port. In order to
1197	  use this driver, you will need the inputattach tool, which is part
1198	  of the input-utils package.
1199
1200	  If unsure, say N.
1201
1202	  This support is also available as a module.  If so, the module
1203	  will be called i2c-taos-evm.
1204
1205config I2C_TINY_USB
1206	tristate "Tiny-USB adapter"
1207	depends on USB
1208	help
1209	  If you say yes to this option, support will be included for the
1210	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1211	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1212
1213	  This driver can also be built as a module.  If so, the module
1214	  will be called i2c-tiny-usb.
1215
1216config I2C_VIPERBOARD
1217	tristate "Viperboard I2C master support"
1218	depends on MFD_VIPERBOARD && USB
1219	help
1220	  Say yes here to access the I2C part of the Nano River
1221	  Technologies Viperboard as I2C master.
1222          See viperboard API specification and Nano
1223          River Tech's viperboard.h for detailed meaning
1224          of the module parameters.
1225
1226comment "Other I2C/SMBus bus drivers"
1227
1228config I2C_ACORN
1229	tristate "Acorn IOC/IOMD I2C bus support"
1230	depends on ARCH_ACORN
1231	default y
1232	select I2C_ALGOBIT
1233	help
1234	  Say yes if you want to support the I2C bus on Acorn platforms.
1235
1236	  If you don't know, say Y.
1237
1238config I2C_ELEKTOR
1239	tristate "Elektor ISA card"
1240	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1241	select I2C_ALGOPCF
1242	help
1243	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1244	  such an adapter.
1245
1246	  This support is also available as a module.  If so, the module
1247	  will be called i2c-elektor.
1248
1249config I2C_MLXCPLD
1250	tristate "Mellanox I2C driver"
1251	depends on X86_64
1252	help
1253	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1254	  for X86 based systems.
1255	  Controller is implemented as CPLD logic.
1256
1257	  This driver can also be built as a module. If so, the module will be
1258	  called as i2c-mlxcpld.
1259
1260config I2C_PCA_ISA
1261	tristate "PCA9564/PCA9665 on an ISA bus"
1262	depends on ISA
1263	select I2C_ALGOPCA
1264	default n
1265	help
1266	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1267	  parallel bus to I2C bus controller.
1268
1269	  This driver can also be built as a module.  If so, the module
1270	  will be called i2c-pca-isa.
1271
1272	  This device is almost undetectable and using this driver on a
1273	  system which doesn't have this device will result in long
1274	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1275	  time).  If unsure, say N.
1276
1277config I2C_SIBYTE
1278	tristate "SiByte SMBus interface"
1279	depends on SIBYTE_SB1xxx_SOC
1280	help
1281	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1282
1283config I2C_CROS_EC_TUNNEL
1284	tristate "ChromeOS EC tunnel I2C bus"
1285	depends on MFD_CROS_EC
1286	help
1287	  If you say yes here you get an I2C bus that will tunnel i2c commands
1288	  through to the other side of the ChromeOS EC to the i2c bus
1289	  connected there. This will work whatever the interface used to
1290	  talk to the EC (SPI, I2C or LPC).
1291
1292config I2C_XGENE_SLIMPRO
1293	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1294	depends on ARCH_XGENE && MAILBOX
1295	help
1296	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1297	  co-processor. The I2C device access the I2C bus via the X-Gene
1298	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1299	  If unsure, say N.
1300
1301config SCx200_ACB
1302	tristate "Geode ACCESS.bus support"
1303	depends on X86_32 && PCI
1304	help
1305	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1306	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1307
1308	  If you don't know what to do here, say N.
1309
1310	  This support is also available as a module.  If so, the module
1311	  will be called scx200_acb.
1312
1313config I2C_OPAL
1314	tristate "IBM OPAL I2C driver"
1315	depends on PPC_POWERNV
1316	default y
1317	help
1318	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1319	  the driver is based on the OPAL interfaces.
1320
1321	  This driver can also be built as a module. If so, the module will be
1322	  called as i2c-opal.
1323
1324config I2C_ZX2967
1325	tristate "ZTE ZX2967 I2C support"
1326	depends on ARCH_ZX
1327	default y
1328	help
1329	  Selecting this option will add ZX2967 I2C driver.
1330	  This driver can also be built as a module. If so, the module will be
1331	  called i2c-zx2967.
1332
1333endmenu
1334