xref: /openbmc/linux/drivers/i2c/busses/Kconfig (revision 0c380187)
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	    Sunrise Point-H (PCH)
127	    Sunrise Point-LP (PCH)
128	    DNV (SOC)
129	    Broxton (SOC)
130	    Lewisburg (PCH)
131	    Gemini Lake (SOC)
132
133	  This driver can also be built as a module.  If so, the module
134	  will be called i2c-i801.
135
136config I2C_ISCH
137	tristate "Intel SCH SMBus 1.0"
138	depends on PCI
139	select LPC_SCH
140	help
141	  Say Y here if you want to use SMBus controller on the Intel SCH
142	  based systems.
143
144	  This driver can also be built as a module. If so, the module
145	  will be called i2c-isch.
146
147config I2C_ISMT
148	tristate "Intel iSMT SMBus Controller"
149	depends on PCI && X86
150	help
151	  If you say yes to this option, support will be included for the Intel
152	  iSMT SMBus host controller interface.
153
154	  This driver can also be built as a module.  If so, the module will be
155	  called i2c-ismt.
156
157config I2C_PIIX4
158	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
159	depends on PCI
160	help
161	  If you say yes to this option, support will be included for the Intel
162	  PIIX4 family of mainboard I2C interfaces.  Specifically, the following
163	  versions of the chipset are supported (note that Serverworks is part
164	  of Broadcom):
165	    Intel PIIX4
166	    Intel 440MX
167	    ATI IXP200
168	    ATI IXP300
169	    ATI IXP400
170	    ATI SB600
171	    ATI SB700/SP5100
172	    ATI SB800
173	    AMD Hudson-2
174	    AMD ML
175	    AMD CZ
176	    Serverworks OSB4
177	    Serverworks CSB5
178	    Serverworks CSB6
179	    Serverworks HT-1000
180	    Serverworks HT-1100
181	    SMSC Victory66
182
183	  Some AMD chipsets contain two PIIX4-compatible SMBus
184	  controllers. This driver will attempt to use both controllers
185	  on the SB700/SP5100, if they have been initialized by the BIOS.
186
187	  This driver can also be built as a module.  If so, the module
188	  will be called i2c-piix4.
189
190config I2C_NFORCE2
191	tristate "Nvidia nForce2, nForce3 and nForce4"
192	depends on PCI
193	help
194	  If you say yes to this option, support will be included for the Nvidia
195	  nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
196
197	  This driver can also be built as a module.  If so, the module
198	  will be called i2c-nforce2.
199
200config I2C_NFORCE2_S4985
201	tristate "SMBus multiplexing on the Tyan S4985"
202	depends on I2C_NFORCE2 && X86
203	help
204	  Enabling this option will add specific SMBus support for the Tyan
205	  S4985 motherboard.  On this 4-CPU board, the SMBus is multiplexed
206	  over 4 different channels, where the various memory module EEPROMs
207	  live.  Saying yes here will give you access to these in addition
208	  to the trunk.
209
210	  This driver can also be built as a module.  If so, the module
211	  will be called i2c-nforce2-s4985.
212
213config I2C_SIS5595
214	tristate "SiS 5595"
215	depends on PCI
216	help
217	  If you say yes to this option, support will be included for the
218	  SiS5595 SMBus (a subset of I2C) interface.
219
220	  This driver can also be built as a module.  If so, the module
221	  will be called i2c-sis5595.
222
223config I2C_SIS630
224	tristate "SiS 630/730/964"
225	depends on PCI
226	help
227	  If you say yes to this option, support will be included for the
228	  SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
229
230	  This driver can also be built as a module.  If so, the module
231	  will be called i2c-sis630.
232
233config I2C_SIS96X
234	tristate "SiS 96x"
235	depends on PCI
236	help
237	  If you say yes to this option, support will be included for the SiS
238	  96x SMBus (a subset of I2C) interfaces.  Specifically, the following
239	  chipsets are supported:
240	    645/961
241	    645DX/961
242	    645DX/962
243	    648/961
244	    650/961
245	    735
246	    745
247
248	  This driver can also be built as a module.  If so, the module
249	  will be called i2c-sis96x.
250
251config I2C_VIA
252	tristate "VIA VT82C586B"
253	depends on PCI
254	select I2C_ALGOBIT
255	help
256	  If you say yes to this option, support will be included for the VIA
257          82C586B I2C interface
258
259	  This driver can also be built as a module.  If so, the module
260	  will be called i2c-via.
261
262config I2C_VIAPRO
263	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
264	depends on PCI
265	help
266	  If you say yes to this option, support will be included for the VIA
267	  VT82C596 and later SMBus interface.  Specifically, the following
268	  chipsets are supported:
269	    VT82C596A/B
270	    VT82C686A/B
271	    VT8231
272	    VT8233/A
273	    VT8235
274	    VT8237R/A/S
275	    VT8251
276	    CX700
277	    VX800/VX820
278	    VX855/VX875
279	    VX900
280
281	  This driver can also be built as a module.  If so, the module
282	  will be called i2c-viapro.
283
284if ACPI
285
286comment "ACPI drivers"
287
288config I2C_SCMI
289	tristate "SMBus Control Method Interface"
290	help
291	  This driver supports the SMBus Control Method Interface. It needs the
292	  BIOS to declare ACPI control methods as described in the SMBus Control
293	  Method Interface specification.
294
295	  To compile this driver as a module, choose M here:
296	  the module will be called i2c-scmi.
297
298endif # ACPI
299
300comment "Mac SMBus host controller drivers"
301	depends on PPC_CHRP || PPC_PMAC
302
303config I2C_HYDRA
304	tristate "CHRP Apple Hydra Mac I/O I2C interface"
305	depends on PCI && PPC_CHRP
306	select I2C_ALGOBIT
307	help
308	  This supports the use of the I2C interface in the Apple Hydra Mac
309	  I/O chip on some CHRP machines (e.g. the LongTrail).  Say Y if you
310	  have such a machine.
311
312	  This support is also available as a module.  If so, the module
313	  will be called i2c-hydra.
314
315config I2C_POWERMAC
316	tristate "Powermac I2C interface"
317	depends on PPC_PMAC
318	default y
319	help
320	  This exposes the various PowerMac i2c interfaces to the linux i2c
321	  layer and to userland. It is used by various drivers on the PowerMac
322	  platform, and should generally be enabled.
323
324	  This support is also available as a module.  If so, the module
325	  will be called i2c-powermac.
326
327comment "I2C system bus drivers (mostly embedded / system-on-chip)"
328
329config I2C_AT91
330	tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
331	depends on ARCH_AT91
332	help
333	  This supports the use of the I2C interface on Atmel AT91
334	  processors.
335
336	  A serious problem is that there is no documented way to issue
337	  repeated START conditions for more than two messages, as needed
338	  to support combined I2C messages.  Use the i2c-gpio driver
339	  unless your system can cope with this limitation.
340
341	  Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
342	  don't have clock stretching in transmission mode. For that reason,
343	  you can encounter underrun issues causing premature stop sendings if
344	  the latency to fill the transmission register is too long. If you
345	  are facing this situation, use the i2c-gpio driver.
346
347config I2C_AU1550
348	tristate "Au1550/Au1200/Au1300 SMBus interface"
349	depends on MIPS_ALCHEMY
350	help
351	  If you say yes to this option, support will be included for the
352	  Au1550/Au1200/Au1300 SMBus interface.
353
354	  This driver can also be built as a module.  If so, the module
355	  will be called i2c-au1550.
356
357config I2C_AXXIA
358	tristate "Axxia I2C controller"
359	depends on ARCH_AXXIA || COMPILE_TEST
360	default ARCH_AXXIA
361	help
362	  Say yes if you want to support the I2C bus on Axxia platforms.
363
364	  Please note that this controller is limited to transfers of maximum
365	  255 bytes in length. Any attempt to to a larger transfer will return
366	  an error.
367
368config I2C_BCM2835
369	tristate "Broadcom BCM2835 I2C controller"
370	depends on ARCH_BCM2835
371	help
372	  If you say yes to this option, support will be included for the
373	  BCM2835 I2C controller.
374
375	  If you don't know what to do here, say N.
376
377	  This support is also available as a module.  If so, the module
378	  will be called i2c-bcm2835.
379
380config I2C_BCM_IPROC
381	tristate "Broadcom iProc I2C controller"
382	depends on ARCH_BCM_IPROC || COMPILE_TEST
383	default ARCH_BCM_IPROC
384	help
385	  If you say yes to this option, support will be included for the
386	  Broadcom iProc I2C controller.
387
388	  If you don't know what to do here, say N.
389
390config I2C_BCM_KONA
391	tristate "BCM Kona I2C adapter"
392	depends on ARCH_BCM_MOBILE
393	default y
394	help
395	  If you say yes to this option, support will be included for the
396	  I2C interface on the Broadcom Kona family of processors.
397
398	  If you do not need KONA I2C interface, say N.
399
400config I2C_BRCMSTB
401	tristate "BRCM Settop I2C controller"
402	depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
403	default y
404	help
405	  If you say yes to this option, support will be included for the
406	  I2C interface on the Broadcom Settop SoCs.
407
408	  If you do not need I2C interface, say N.
409
410config I2C_BLACKFIN_TWI
411	tristate "Blackfin TWI I2C support"
412	depends on BLACKFIN
413	depends on !BF561 && !BF531 && !BF532 && !BF533
414	help
415	  This is the I2C bus driver for Blackfin on-chip TWI interface.
416
417	  This driver can also be built as a module.  If so, the module
418	  will be called i2c-bfin-twi.
419
420config I2C_BLACKFIN_TWI_CLK_KHZ
421	int "Blackfin TWI I2C clock (kHz)"
422	depends on I2C_BLACKFIN_TWI
423	range 21 400
424	default 50
425	help
426	  The unit of the TWI clock is kHz.
427
428config I2C_CADENCE
429	tristate "Cadence I2C Controller"
430	depends on ARCH_ZYNQ || ARM64 || XTENSA
431	help
432	  Say yes here to select Cadence I2C Host Controller. This controller is
433	  e.g. used by Xilinx Zynq.
434
435config I2C_CBUS_GPIO
436	tristate "CBUS I2C driver"
437	depends on GPIOLIB || COMPILE_TEST
438	help
439	  Support for CBUS access using I2C API. Mostly relevant for Nokia
440	  Internet Tablets (770, N800 and N810).
441
442	  This driver can also be built as a module.  If so, the module
443	  will be called i2c-cbus-gpio.
444
445config I2C_CPM
446	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
447	depends on CPM1 || CPM2
448	help
449	  This supports the use of the I2C interface on Freescale
450	  processors with CPM1 or CPM2.
451
452	  This driver can also be built as a module.  If so, the module
453	  will be called i2c-cpm.
454
455config I2C_DAVINCI
456	tristate "DaVinci I2C driver"
457	depends on ARCH_DAVINCI || ARCH_KEYSTONE
458	help
459	  Support for TI DaVinci I2C controller driver.
460
461	  This driver can also be built as a module.  If so, the module
462	  will be called i2c-davinci.
463
464	  Please note that this driver might be needed to bring up other
465	  devices such as DaVinci NIC.
466	  For details please see http://www.ti.com/davinci
467
468config I2C_DESIGNWARE_CORE
469	tristate
470
471config I2C_DESIGNWARE_PLATFORM
472	tristate "Synopsys DesignWare Platform"
473	select I2C_DESIGNWARE_CORE
474	depends on (ACPI && COMMON_CLK) || !ACPI
475	help
476	  If you say yes to this option, support will be included for the
477	  Synopsys DesignWare I2C adapter. Only master mode is supported.
478
479	  This driver can also be built as a module.  If so, the module
480	  will be called i2c-designware-platform.
481
482config I2C_DESIGNWARE_PCI
483	tristate "Synopsys DesignWare PCI"
484	depends on PCI
485	select I2C_DESIGNWARE_CORE
486	help
487	  If you say yes to this option, support will be included for the
488	  Synopsys DesignWare I2C adapter. Only master mode is supported.
489
490	  This driver can also be built as a module.  If so, the module
491	  will be called i2c-designware-pci.
492
493config I2C_DESIGNWARE_BAYTRAIL
494	bool "Intel Baytrail I2C semaphore support"
495	depends on ACPI
496	depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
497		   (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
498	help
499	  This driver enables managed host access to the PMIC I2C bus on select
500	  Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
501	  the host to request uninterrupted access to the PMIC's I2C bus from
502	  the platform firmware controlling it. You should say Y if running on
503	  a BayTrail system using the AXP288.
504
505config I2C_DIGICOLOR
506	tristate "Conexant Digicolor I2C driver"
507	depends on ARCH_DIGICOLOR
508	help
509	  Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
510
511	  This driver can also be built as a module.  If so, the module
512	  will be called i2c-digicolor.
513
514config I2C_EFM32
515	tristate "EFM32 I2C controller"
516	depends on ARCH_EFM32 || COMPILE_TEST
517	help
518	  This driver supports the i2c block found in Energy Micro's EFM32
519	  SoCs.
520
521config I2C_EG20T
522	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
523	depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
524	help
525	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
526	  is an IOH(Input/Output Hub) for x86 embedded processor.
527	  This driver can access PCH I2C bus device.
528
529	  This driver also can be used for LAPIS Semiconductor IOH(Input/
530	  Output Hub), ML7213, ML7223 and ML7831.
531	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
532	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
533	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
534	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
535
536config I2C_EMEV2
537	tristate "EMMA Mobile series I2C adapter"
538	depends on HAVE_CLK
539	select I2C_SLAVE
540	help
541	  If you say yes to this option, support will be included for the
542	  I2C interface on the Renesas Electronics EM/EV family of processors.
543
544config I2C_EXYNOS5
545	tristate "Exynos5 high-speed I2C driver"
546	depends on ARCH_EXYNOS && OF
547	default y
548	help
549	  High-speed I2C controller on Exynos5 based Samsung SoCs.
550
551config I2C_GPIO
552	tristate "GPIO-based bitbanging I2C"
553	depends on GPIOLIB || COMPILE_TEST
554	select I2C_ALGOBIT
555	help
556	  This is a very simple bitbanging I2C driver utilizing the
557	  arch-neutral GPIO API to control the SCL and SDA lines.
558
559config I2C_HIGHLANDER
560	tristate "Highlander FPGA SMBus interface"
561	depends on SH_HIGHLANDER
562	help
563	  If you say yes to this option, support will be included for
564	  the SMBus interface located in the FPGA on various Highlander
565	  boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
566	  FPGAs. This is wholly unrelated to the SoC I2C.
567
568	  This driver can also be built as a module.  If so, the module
569	  will be called i2c-highlander.
570
571config I2C_IBM_IIC
572	tristate "IBM PPC 4xx on-chip I2C interface"
573	depends on 4xx
574	help
575	  Say Y here if you want to use IIC peripheral found on
576	  embedded IBM PPC 4xx based systems.
577
578	  This driver can also be built as a module.  If so, the module
579	  will be called i2c-ibm_iic.
580
581config I2C_IMG
582	tristate "Imagination Technologies I2C SCB Controller"
583	depends on MIPS || METAG || COMPILE_TEST
584	help
585	  Say Y here if you want to use the IMG I2C SCB controller,
586	  available on the TZ1090 and other IMG SoCs.
587
588	  This driver can also be built as a module.  If so, the module
589	  will be called i2c-img-scb.
590
591config I2C_IMX
592	tristate "IMX I2C interface"
593	depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE
594	help
595	  Say Y here if you want to use the IIC bus controller on
596	  the Freescale i.MX/MXC, Layerscape or ColdFire processors.
597
598	  This driver can also be built as a module.  If so, the module
599	  will be called i2c-imx.
600
601config I2C_IMX_LPI2C
602	tristate "IMX Low Power I2C interface"
603	depends on ARCH_MXC || COMPILE_TEST
604	help
605          Say Y here if you want to use the Low Power IIC bus controller
606          on the Freescale i.MX processors.
607
608          This driver can also be built as a module. If so, the module
609          will be called i2c-imx-lpi2c.
610
611config I2C_IOP3XX
612	tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
613	depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
614	help
615	  Say Y here if you want to use the IIC bus controller on
616	  the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
617
618	  This driver can also be built as a module.  If so, the module
619	  will be called i2c-iop3xx.
620
621config I2C_JZ4780
622	tristate "JZ4780 I2C controller interface support"
623	depends on MACH_JZ4780 || COMPILE_TEST
624	help
625	 If you say yes to this option, support will be included for the
626	 Ingenic JZ4780 I2C controller.
627
628	 If you don't know what to do here, say N.
629
630config I2C_KEMPLD
631	tristate "Kontron COM I2C Controller"
632	depends on MFD_KEMPLD
633	help
634	  This enables support for the I2C bus interface on some Kontron ETX
635	  and COMexpress (ETXexpress) modules.
636
637	  This driver can also be built as a module. If so, the module
638	  will be called i2c-kempld.
639
640config I2C_LPC2K
641	tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
642	depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
643	help
644	  This driver supports the I2C interface found several NXP
645	  devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
646
647	  This driver can also be built as a module.  If so, the module
648	  will be called i2c-lpc2k.
649
650config I2C_MESON
651	tristate "Amlogic Meson I2C controller"
652	depends on ARCH_MESON || COMPILE_TEST
653	help
654	  If you say yes to this option, support will be included for the
655	  I2C interface on the Amlogic Meson family of SoCs.
656
657config I2C_MPC
658	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
659	depends on PPC
660	help
661	  If you say yes to this option, support will be included for the
662	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
663	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
664
665	  This driver can also be built as a module.  If so, the module
666	  will be called i2c-mpc.
667
668config I2C_MT65XX
669	tristate "MediaTek I2C adapter"
670	depends on ARCH_MEDIATEK || COMPILE_TEST
671	depends on HAS_DMA
672	help
673	  This selects the MediaTek(R) Integrated Inter Circuit bus driver
674	  for MT65xx and MT81xx.
675	  If you want to use MediaTek(R) I2C interface, say Y or M here.
676	  If unsure, say N.
677
678config I2C_MV64XXX
679	tristate "Marvell mv64xxx I2C Controller"
680	depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
681	help
682	  If you say yes to this option, support will be included for the
683	  built-in I2C interface on the Marvell 64xxx line of host bridges.
684	  This driver is also used for Allwinner SoCs I2C controllers.
685
686	  This driver can also be built as a module.  If so, the module
687	  will be called i2c-mv64xxx.
688
689config I2C_MXS
690	tristate "Freescale i.MX28 I2C interface"
691	depends on SOC_IMX28
692	select STMP_DEVICE
693	help
694	  Say Y here if you want to use the I2C bus controller on
695	  the Freescale i.MX28 processors.
696
697	  This driver can also be built as a module.  If so, the module
698	  will be called i2c-mxs.
699
700config I2C_NOMADIK
701	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
702	depends on ARM_AMBA
703	help
704	  If you say yes to this option, support will be included for the
705	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
706	  as well as the STA2X11 PCIe I/O HUB.
707
708config I2C_OCORES
709	tristate "OpenCores I2C Controller"
710	help
711	  If you say yes to this option, support will be included for the
712	  OpenCores I2C controller. For details see
713	  http://www.opencores.org/projects.cgi/web/i2c/overview
714
715	  This driver can also be built as a module.  If so, the module
716	  will be called i2c-ocores.
717
718config I2C_OMAP
719	tristate "OMAP I2C adapter"
720	depends on ARCH_OMAP
721	default y if MACH_OMAP_H3 || MACH_OMAP_OSK
722	help
723	  If you say yes to this option, support will be included for the
724	  I2C interface on the Texas Instruments OMAP1/2 family of processors.
725	  Like OMAP1510/1610/1710/5912 and OMAP242x.
726	  For details see http://www.ti.com/omap.
727
728config I2C_PASEMI
729	tristate "PA Semi SMBus interface"
730	depends on PPC_PASEMI && PCI
731	help
732	  Supports the PA Semi PWRficient on-chip SMBus interfaces.
733
734config I2C_PCA_PLATFORM
735	tristate "PCA9564/PCA9665 as platform device"
736	select I2C_ALGOPCA
737	default n
738	help
739	  This driver supports a memory mapped Philips PCA9564/PCA9665
740	  parallel bus to I2C bus controller.
741
742	  This driver can also be built as a module.  If so, the module
743	  will be called i2c-pca-platform.
744
745config I2C_PMCMSP
746	tristate "PMC MSP I2C TWI Controller"
747	depends on PMC_MSP
748	help
749	  This driver supports the PMC TWI controller on MSP devices.
750
751	  This driver can also be built as module. If so, the module
752	  will be called i2c-pmcmsp.
753
754config I2C_PNX
755	tristate "I2C bus support for Philips PNX and NXP LPC targets"
756	depends on ARCH_LPC32XX
757	help
758	  This driver supports the Philips IP3204 I2C IP block master and/or
759	  slave controller
760
761	  This driver can also be built as a module.  If so, the module
762	  will be called i2c-pnx.
763
764config I2C_PUV3
765	tristate "PKUnity v3 I2C bus support"
766	depends on UNICORE32 && ARCH_PUV3
767	select I2C_ALGOBIT
768	help
769	  This driver supports the I2C IP inside the PKUnity-v3 SoC.
770	  This I2C bus controller is under AMBA/AXI bus.
771
772	  This driver can also be built as a module.  If so, the module
773	  will be called i2c-puv3.
774
775config I2C_PXA
776	tristate "Intel PXA2XX I2C adapter"
777	depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF)
778	help
779	  If you have devices in the PXA I2C bus, say yes to this option.
780	  This driver can also be built as a module.  If so, the module
781	  will be called i2c-pxa.
782
783config I2C_PXA_PCI
784	def_bool I2C_PXA && X86_32 && PCI && OF
785
786config I2C_PXA_SLAVE
787	bool "Intel PXA2XX I2C Slave comms support"
788	depends on I2C_PXA && !X86_32
789	help
790	  Support I2C slave mode communications on the PXA I2C bus.  This
791	  is necessary for systems where the PXA may be a target on the
792	  I2C bus.
793
794config I2C_QUP
795	tristate "Qualcomm QUP based I2C controller"
796	depends on ARCH_QCOM
797	help
798	  If you say yes to this option, support will be included for the
799	  built-in I2C interface on the Qualcomm SoCs.
800
801	  This driver can also be built as a module.  If so, the module
802	  will be called i2c-qup.
803
804config I2C_RIIC
805	tristate "Renesas RIIC adapter"
806	depends on ARCH_RENESAS || COMPILE_TEST
807	help
808	  If you say yes to this option, support will be included for the
809	  Renesas RIIC I2C interface.
810
811	  This driver can also be built as a module.  If so, the module
812	  will be called i2c-riic.
813
814config I2C_RK3X
815	tristate "Rockchip RK3xxx I2C adapter"
816	depends on OF && COMMON_CLK
817	help
818	  Say Y here to include support for the I2C adapter in Rockchip RK3xxx
819	  SoCs.
820
821	  This driver can also be built as a module. If so, the module will
822	  be called i2c-rk3x.
823
824config HAVE_S3C2410_I2C
825	bool
826	help
827	  This will include I2C support for Samsung SoCs. If you want to
828	  include I2C support for any machine, kindly select this in the
829	  respective Kconfig file.
830
831config I2C_S3C2410
832	tristate "S3C2410 I2C Driver"
833	depends on HAVE_S3C2410_I2C
834	help
835	  Say Y here to include support for I2C controller in the
836	  Samsung SoCs.
837
838config I2C_SH7760
839	tristate "Renesas SH7760 I2C Controller"
840	depends on CPU_SUBTYPE_SH7760
841	help
842	  This driver supports the 2 I2C interfaces on the Renesas SH7760.
843
844	  This driver can also be built as a module.  If so, the module
845	  will be called i2c-sh7760.
846
847config I2C_SH_MOBILE
848	tristate "SuperH Mobile I2C Controller"
849	depends on HAS_DMA
850	depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
851	help
852	  If you say yes to this option, support will be included for the
853	  built-in I2C interface on the Renesas SH-Mobile processor.
854
855	  This driver can also be built as a module.  If so, the module
856	  will be called i2c-sh_mobile.
857
858config I2C_SIMTEC
859	tristate "Simtec Generic I2C interface"
860	select I2C_ALGOBIT
861	help
862	  If you say yes to this option, support will be included for
863	  the Simtec Generic I2C interface. This driver is for the
864	  simple I2C bus used on newer Simtec products for general
865	  I2C, such as DDC on the Simtec BBD2016A.
866
867	  This driver can also be built as a module. If so, the module
868	  will be called i2c-simtec.
869
870config I2C_SIRF
871	tristate "CSR SiRFprimaII I2C interface"
872	depends on ARCH_SIRF
873	help
874	  If you say yes to this option, support will be included for the
875	  CSR SiRFprimaII I2C interface.
876
877	  This driver can also be built as a module.  If so, the module
878	  will be called i2c-sirf.
879
880config I2C_ST
881	tristate "STMicroelectronics SSC I2C support"
882	depends on ARCH_STI
883	help
884	  Enable this option to add support for STMicroelectronics SoCs
885	  hardware SSC (Synchronous Serial Controller) as an I2C controller.
886
887	  This driver can also be built as module. If so, the module
888	  will be called i2c-st.
889
890config I2C_STM32F4
891	tristate "STMicroelectronics STM32F4 I2C support"
892	depends on ARCH_STM32 || COMPILE_TEST
893	help
894	  Enable this option to add support for STM32 I2C controller embedded
895	  in STM32F4 SoCs.
896
897	  This driver can also be built as module. If so, the module
898	  will be called i2c-stm32f4.
899
900config I2C_STU300
901	tristate "ST Microelectronics DDC I2C interface"
902	depends on MACH_U300
903	default y if MACH_U300
904	help
905	  If you say yes to this option, support will be included for the
906	  I2C interface from ST Microelectronics simply called "DDC I2C"
907	  supporting both I2C and DDC, used in e.g. the U300 series
908	  mobile platforms.
909
910	  This driver can also be built as a module. If so, the module
911	  will be called i2c-stu300.
912
913config I2C_SUN6I_P2WI
914	tristate "Allwinner sun6i internal P2WI controller"
915	depends on RESET_CONTROLLER
916	depends on MACH_SUN6I || COMPILE_TEST
917	help
918	  If you say yes to this option, support will be included for the
919	  P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
920	  SOCs.
921	  The P2WI looks like an SMBus controller (which supports only byte
922	  accesses), except that it only supports one slave device.
923	  This interface is used to connect to specific PMIC devices (like the
924	  AXP221).
925
926config I2C_TEGRA
927	tristate "NVIDIA Tegra internal I2C controller"
928	depends on ARCH_TEGRA
929	help
930	  If you say yes to this option, support will be included for the
931	  I2C controller embedded in NVIDIA Tegra SOCs
932
933config I2C_TEGRA_BPMP
934	tristate "NVIDIA Tegra BPMP I2C controller"
935	depends on TEGRA_BPMP
936	help
937	  If you say yes to this option, support will be included for the I2C
938	  controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
939
940	  This I2C driver is a 'virtual' I2C driver. The real driver is part
941	  of the BPMP firmware, and this driver merely communicates with that
942	  real driver.
943
944config I2C_UNIPHIER
945	tristate "UniPhier FIFO-less I2C controller"
946	depends on ARCH_UNIPHIER || COMPILE_TEST
947	help
948	  If you say yes to this option, support will be included for
949	  the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
950	  or older UniPhier SoCs.
951
952config I2C_UNIPHIER_F
953	tristate "UniPhier FIFO-builtin I2C controller"
954	depends on ARCH_UNIPHIER || COMPILE_TEST
955	help
956	  If you say yes to this option, support will be included for
957	  the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
958	  PH1-Pro5, or newer UniPhier SoCs.
959
960config I2C_VERSATILE
961	tristate "ARM Versatile/Realview I2C bus support"
962	depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
963	select I2C_ALGOBIT
964	help
965	  Say yes if you want to support the I2C serial bus on ARMs Versatile
966	  range of platforms.
967
968	  This driver can also be built as a module.  If so, the module
969	  will be called i2c-versatile.
970
971config I2C_WMT
972	tristate "Wondermedia WM8xxx SoC I2C bus support"
973	depends on ARCH_VT8500
974	help
975	  Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
976	  SoCs.
977
978	  This driver can also be built as a module. If so, the module will be
979	  called i2c-wmt.
980
981config I2C_OCTEON
982	tristate "Cavium OCTEON I2C bus support"
983	depends on CAVIUM_OCTEON_SOC
984	help
985	  Say yes if you want to support the I2C serial bus on Cavium
986	  OCTEON SOC.
987
988	  This driver can also be built as a module.  If so, the module
989	  will be called i2c-octeon.
990
991config I2C_THUNDERX
992	tristate "Cavium ThunderX I2C bus support"
993	depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
994	select I2C_SMBUS
995	help
996	  Say yes if you want to support the I2C serial bus on Cavium
997	  ThunderX SOC.
998
999	  This driver can also be built as a module.  If so, the module
1000	  will be called i2c-thunderx.
1001
1002config I2C_XILINX
1003	tristate "Xilinx I2C Controller"
1004	depends on HAS_IOMEM
1005	help
1006	  If you say yes to this option, support will be included for the
1007	  Xilinx I2C controller.
1008
1009	  This driver can also be built as a module.  If so, the module
1010	  will be called xilinx_i2c.
1011
1012config I2C_XLR
1013	tristate "Netlogic XLR and Sigma Designs I2C support"
1014	depends on CPU_XLR || ARCH_TANGO
1015	help
1016	  This driver enables support for the on-chip I2C interface of
1017	  the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
1018
1019	  This driver can also be built as a module.  If so, the module
1020	  will be called i2c-xlr.
1021
1022config I2C_XLP9XX
1023	tristate "XLP9XX I2C support"
1024	depends on CPU_XLP || ARCH_VULCAN || COMPILE_TEST
1025	help
1026	  This driver enables support for the on-chip I2C interface of
1027	  the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
1028
1029	  This driver can also be built as a module.  If so, the module will
1030	  be called i2c-xlp9xx.
1031
1032config I2C_RCAR
1033	tristate "Renesas R-Car I2C Controller"
1034	depends on HAS_DMA
1035	depends on ARCH_RENESAS || COMPILE_TEST
1036	select I2C_SLAVE
1037	help
1038	  If you say yes to this option, support will be included for the
1039	  R-Car I2C controller.
1040
1041	  This driver can also be built as a module.  If so, the module
1042	  will be called i2c-rcar.
1043
1044comment "External I2C/SMBus adapter drivers"
1045
1046config I2C_DIOLAN_U2C
1047	tristate "Diolan U2C-12 USB adapter"
1048	depends on USB
1049	help
1050	  If you say yes to this option, support will be included for Diolan
1051	  U2C-12, a USB to I2C interface.
1052
1053	  This driver can also be built as a module.  If so, the module
1054	  will be called i2c-diolan-u2c.
1055
1056config I2C_DLN2
1057       tristate "Diolan DLN-2 USB I2C adapter"
1058       depends on MFD_DLN2
1059       help
1060	 If you say yes to this option, support will be included for Diolan
1061	 DLN2, a USB to I2C interface.
1062
1063	 This driver can also be built as a module.  If so, the module
1064	 will be called i2c-dln2.
1065
1066config I2C_PARPORT
1067	tristate "Parallel port adapter"
1068	depends on PARPORT
1069	select I2C_ALGOBIT
1070	select I2C_SMBUS
1071	help
1072	  This supports parallel port I2C adapters such as the ones made by
1073	  Philips or Velleman, Analog Devices evaluation boards, and more.
1074	  Basically any adapter using the parallel port as an I2C bus with
1075	  no extra chipset is supported by this driver, or could be.
1076
1077	  This driver is a replacement for (and was inspired by) an older
1078	  driver named i2c-philips-par.  The new driver supports more devices,
1079	  and makes it easier to add support for new devices.
1080
1081	  An adapter type parameter is now mandatory.  Please read the file
1082	  Documentation/i2c/busses/i2c-parport for details.
1083
1084	  Another driver exists, named i2c-parport-light, which doesn't depend
1085	  on the parport driver.  This is meant for embedded systems. Don't say
1086	  Y here if you intend to say Y or M there.
1087
1088	  This support is also available as a module.  If so, the module
1089	  will be called i2c-parport.
1090
1091config I2C_PARPORT_LIGHT
1092	tristate "Parallel port adapter (light)"
1093	select I2C_ALGOBIT
1094	select I2C_SMBUS
1095	help
1096	  This supports parallel port I2C adapters such as the ones made by
1097	  Philips or Velleman, Analog Devices evaluation boards, and more.
1098	  Basically any adapter using the parallel port as an I2C bus with
1099	  no extra chipset is supported by this driver, or could be.
1100
1101	  This driver is a light version of i2c-parport.  It doesn't depend
1102	  on the parport driver, and uses direct I/O access instead.  This
1103	  might be preferred on embedded systems where wasting memory for
1104	  the clean but heavy parport handling is not an option.  The
1105	  drawback is a reduced portability and the impossibility to
1106	  daisy-chain other parallel port devices.
1107
1108	  Don't say Y here if you said Y or M to i2c-parport.  Saying M to
1109	  both is possible but both modules should not be loaded at the same
1110	  time.
1111
1112	  This support is also available as a module.  If so, the module
1113	  will be called i2c-parport-light.
1114
1115config I2C_ROBOTFUZZ_OSIF
1116	tristate "RobotFuzz Open Source InterFace USB adapter"
1117	depends on USB
1118	help
1119	  If you say yes to this option, support will be included for the
1120	  RobotFuzz Open Source InterFace USB to I2C interface.
1121
1122	  This driver can also be built as a module.  If so, the module
1123	  will be called i2c-osif.
1124
1125config I2C_TAOS_EVM
1126	tristate "TAOS evaluation module"
1127	depends on TTY
1128	select SERIO
1129	select SERIO_SERPORT
1130	default n
1131	help
1132	  This supports TAOS evaluation modules on serial port. In order to
1133	  use this driver, you will need the inputattach tool, which is part
1134	  of the input-utils package.
1135
1136	  If unsure, say N.
1137
1138	  This support is also available as a module.  If so, the module
1139	  will be called i2c-taos-evm.
1140
1141config I2C_TINY_USB
1142	tristate "Tiny-USB adapter"
1143	depends on USB
1144	help
1145	  If you say yes to this option, support will be included for the
1146	  i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1147	  http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1148
1149	  This driver can also be built as a module.  If so, the module
1150	  will be called i2c-tiny-usb.
1151
1152config I2C_VIPERBOARD
1153	tristate "Viperboard I2C master support"
1154	depends on MFD_VIPERBOARD && USB
1155	help
1156	  Say yes here to access the I2C part of the Nano River
1157	  Technologies Viperboard as I2C master.
1158          See viperboard API specification and Nano
1159          River Tech's viperboard.h for detailed meaning
1160          of the module parameters.
1161
1162comment "Other I2C/SMBus bus drivers"
1163
1164config I2C_ACORN
1165	tristate "Acorn IOC/IOMD I2C bus support"
1166	depends on ARCH_ACORN
1167	default y
1168	select I2C_ALGOBIT
1169	help
1170	  Say yes if you want to support the I2C bus on Acorn platforms.
1171
1172	  If you don't know, say Y.
1173
1174config I2C_ELEKTOR
1175	tristate "Elektor ISA card"
1176	depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1177	select I2C_ALGOPCF
1178	help
1179	  This supports the PCF8584 ISA bus I2C adapter.  Say Y if you own
1180	  such an adapter.
1181
1182	  This support is also available as a module.  If so, the module
1183	  will be called i2c-elektor.
1184
1185config I2C_MLXCPLD
1186	tristate "Mellanox I2C driver"
1187	depends on X86_64
1188	help
1189	  This exposes the Mellanox platform I2C busses to the linux I2C layer
1190	  for X86 based systems.
1191	  Controller is implemented as CPLD logic.
1192
1193	  This driver can also be built as a module. If so, the module will be
1194	  called as i2c-mlxcpld.
1195
1196config I2C_PCA_ISA
1197	tristate "PCA9564/PCA9665 on an ISA bus"
1198	depends on ISA
1199	select I2C_ALGOPCA
1200	default n
1201	help
1202	  This driver supports ISA boards using the Philips PCA9564/PCA9665
1203	  parallel bus to I2C bus controller.
1204
1205	  This driver can also be built as a module.  If so, the module
1206	  will be called i2c-pca-isa.
1207
1208	  This device is almost undetectable and using this driver on a
1209	  system which doesn't have this device will result in long
1210	  delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1211	  time).  If unsure, say N.
1212
1213config I2C_SIBYTE
1214	tristate "SiByte SMBus interface"
1215	depends on SIBYTE_SB1xxx_SOC
1216	help
1217	  Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1218
1219config I2C_CROS_EC_TUNNEL
1220	tristate "ChromeOS EC tunnel I2C bus"
1221	depends on MFD_CROS_EC
1222	help
1223	  If you say yes here you get an I2C bus that will tunnel i2c commands
1224	  through to the other side of the ChromeOS EC to the i2c bus
1225	  connected there. This will work whatever the interface used to
1226	  talk to the EC (SPI, I2C or LPC).
1227
1228config I2C_XGENE_SLIMPRO
1229	tristate "APM X-Gene SoC I2C SLIMpro devices support"
1230	depends on ARCH_XGENE && MAILBOX
1231	help
1232	  Enable I2C bus access using the APM X-Gene SoC SLIMpro
1233	  co-processor. The I2C device access the I2C bus via the X-Gene
1234	  to SLIMpro (On chip coprocessor) mailbox mechanism.
1235	  If unsure, say N.
1236
1237config SCx200_ACB
1238	tristate "Geode ACCESS.bus support"
1239	depends on X86_32 && PCI
1240	help
1241	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1242	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1243
1244	  If you don't know what to do here, say N.
1245
1246	  This support is also available as a module.  If so, the module
1247	  will be called scx200_acb.
1248
1249config I2C_OPAL
1250	tristate "IBM OPAL I2C driver"
1251	depends on PPC_POWERNV
1252	default y
1253	help
1254	  This exposes the PowerNV platform i2c busses to the linux i2c layer,
1255	  the driver is based on the OPAL interfaces.
1256
1257	  This driver can also be built as a module. If so, the module will be
1258	  called as i2c-opal.
1259
1260endmenu
1261