xref: /linux/drivers/mfd/Kconfig (revision 9d1e2d5f2b24a24b32aca451d6a7feb081ad5a62)
1# SPDX-License-Identifier: GPL-2.0-only
2#
3# Multifunction miscellaneous devices
4#
5
6if HAS_IOMEM
7menu "Multifunction device drivers"
8
9config MFD_CORE
10	tristate
11	select IRQ_DOMAIN
12	default n
13
14config MFD_CS5535
15	tristate "AMD CS5535 and CS5536 southbridge core functions"
16	select MFD_CORE
17	depends on PCI && (X86_32 || (X86 && COMPILE_TEST))
18	depends on !UML
19	help
20	  This is the core driver for CS5535/CS5536 MFD functions.  This is
21	  necessary for using the board's GPIO and MFGPT functionality.
22
23config MFD_ADP5585
24	tristate "Analog Devices ADP5585 keypad decoder and I/O expander driver"
25	select MFD_CORE
26	select REGMAP_I2C
27	depends on I2C
28	depends on OF
29	help
30	  Say yes here to add support for the Analog Devices ADP5585 GPIO
31	  expander, PWM and keypad controller. This includes the I2C driver and
32	  the core APIs _only_, you have to select individual components like
33	  the GPIO and PWM functions under the corresponding menus.
34
35config MFD_ALTERA_A10SR
36	bool "Altera Arria10 DevKit System Resource chip"
37	depends on ARCH_INTEL_SOCFPGA && SPI_MASTER=y && OF
38	select REGMAP_SPI
39	select MFD_CORE
40	help
41	  Support for the Altera Arria10 DevKit MAX5 System Resource chip
42	  using the SPI interface. This driver provides common support for
43	  accessing the external gpio extender (LEDs & buttons) and
44	  power supply alarms (hwmon).
45
46config MFD_ALTERA_SYSMGR
47	bool "Altera SOCFPGA System Manager"
48	depends on ARCH_INTEL_SOCFPGA || COMPILE_TEST
49	depends on OF
50	select MFD_SYSCON
51	help
52	  Select this to get System Manager support for all Altera branded
53	  SOCFPGAs. The SOCFPGA System Manager handles all SOCFPGAs by
54	  using regmap_mmio accesses for ARM32 parts and SMC calls to
55	  EL3 for ARM64 parts.
56
57config MFD_ACT8945A
58	tristate "Active-semi ACT8945A"
59	select MFD_CORE
60	select REGMAP_I2C
61	depends on I2C && OF
62	help
63	  Support for the ACT8945A PMIC from Active-semi. This device
64	  features three step-down DC/DC converters and four low-dropout
65	  linear regulators, along with a complete ActivePath battery
66	  charger.
67
68config MFD_SUN4I_GPADC
69	tristate "Allwinner sunxi platforms' GPADC MFD driver"
70	select MFD_CORE
71	select REGMAP_MMIO
72	select REGMAP_IRQ
73	depends on ARCH_SUNXI || COMPILE_TEST
74	depends on !TOUCHSCREEN_SUN4I
75	help
76	  Select this to get support for Allwinner SoCs (A10, A13 and A31) ADC.
77	  This driver will only map the hardware interrupt and registers, you
78	  have to select individual drivers based on this MFD to be able to use
79	  the ADC or the thermal sensor. This will try to probe the ADC driver
80	  sun4i-gpadc-iio and the hwmon driver iio_hwmon.
81
82	  To compile this driver as a module, choose M here: the module will be
83	  called sun4i-gpadc.
84
85config MFD_AS3711
86	bool "AMS AS3711"
87	select MFD_CORE
88	select REGMAP_I2C
89	select REGMAP_IRQ
90	depends on I2C=y
91	help
92	  Support for the AS3711 PMIC from AMS
93
94config MFD_SMPRO
95	tristate "Ampere Computing SMpro core driver"
96	depends on I2C
97	select MFD_CORE
98	select REGMAP_I2C
99	help
100	  Say yes here to enable SMpro driver support for Ampere's Altra
101	  processor family.
102
103	  Ampere's Altra SMpro exposes an I2C regmap interface that can
104	  be accessed by child devices.
105
106config MFD_AS3722
107	tristate "ams AS3722 Power Management IC"
108	select MFD_CORE
109	select REGMAP_I2C
110	select REGMAP_IRQ
111	depends on I2C=y && OF
112	help
113	  The ams AS3722 is a compact system PMU suitable for mobile phones,
114	  tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
115	  controllers, 11 LDOs, RTC, automatic battery, temperature and
116	  over current monitoring, GPIOs, ADC and a watchdog.
117
118config PMIC_ADP5520
119	bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
120	depends on I2C=y
121	help
122	  Say yes here to add support for Analog Devices ADP5520 and ADP5501,
123	  Multifunction Power Management IC. This includes
124	  the I2C driver and the core APIs _only_, you have to select
125	  individual components like LCD backlight, LEDs, GPIOs and Kepad
126	  under the corresponding menus.
127
128config MFD_AAT2870_CORE
129	bool "AnalogicTech AAT2870"
130	select MFD_CORE
131	depends on I2C=y
132	depends on GPIOLIB || COMPILE_TEST
133	depends on GPIOLIB_LEGACY
134	help
135	  If you say yes here you get support for the AAT2870.
136	  This driver provides common support for accessing the device,
137	  additional drivers must be enabled in order to use the
138	  functionality of the device.
139
140config MFD_AT91_USART
141	tristate "AT91 USART Driver"
142	select MFD_CORE
143	depends on ARCH_MICROCHIP || COMPILE_TEST
144	help
145	  Select this to get support for AT91 USART IP. This is a wrapper
146	  over at91-usart-serial driver and usart-spi-driver. Only one function
147	  can be used at a time. The choice is done at boot time by the probe
148	  function of this MFD driver according to a device tree property.
149
150config MFD_ATMEL_FLEXCOM
151	tristate "Atmel Flexcom (Flexible Serial Communication Unit)"
152	select MFD_CORE
153	depends on OF
154	help
155	  Select this to get support for Atmel Flexcom. This is a wrapper
156	  which embeds a SPI controller, a I2C controller and a USART. Only
157	  one function can be used at a time. The choice is done at boot time
158	  by the probe function of this MFD driver according to a device tree
159	  property.
160
161config MFD_ATMEL_HLCDC
162	tristate "Atmel HLCDC (High-end LCD Controller)"
163	select MFD_CORE
164	select REGMAP_MMIO
165	depends on OF
166	help
167	  If you say yes here you get support for the HLCDC block.
168	  This driver provides common support for accessing the device,
169	  additional drivers must be enabled in order to use the
170	  functionality of the device.
171
172config MFD_ATMEL_SMC
173	bool
174	select MFD_SYSCON
175
176config MFD_BCM590XX
177	tristate "Broadcom BCM590xx PMUs"
178	select MFD_CORE
179	select REGMAP_I2C
180	depends on I2C
181	help
182	  Support for the BCM590xx PMUs from Broadcom
183
184config MFD_BD9571MWV
185	tristate "ROHM BD9571MWV PMIC"
186	select MFD_CORE
187	select REGMAP_I2C
188	select REGMAP_IRQ
189	depends on I2C
190	help
191	  Support for the ROHM BD9571MWV PMIC, which contains single
192	  voltage regulator, voltage sampling units, GPIO block and
193	  watchdog block.
194
195	  This driver can also be built as a module. If so, the module
196	  will be called bd9571mwv.
197
198config MFD_AC100
199	tristate "X-Powers AC100"
200	select MFD_CORE
201	depends on SUNXI_RSB
202	help
203	  If you say Y here you get support for the X-Powers AC100 audio codec
204	  IC.
205	  This driver include only the core APIs. You have to select individual
206	  components like codecs or RTC under the corresponding menus.
207
208config MFD_AXP20X
209	tristate
210	select MFD_CORE
211	select REGMAP_IRQ
212
213config MFD_AXP20X_I2C
214	tristate "X-Powers AXP series PMICs with I2C"
215	select MFD_AXP20X
216	select REGMAP_I2C
217	depends on I2C
218	help
219	  If you say Y here you get support for the X-Powers AXP series power
220	  management ICs (PMICs) controlled with I2C.
221	  This driver include only the core APIs. You have to select individual
222	  components like regulators or the PEK (Power Enable Key) under the
223	  corresponding menus.
224
225	  Note on x86 this provides an ACPI OpRegion, so this must be 'y'
226	  (builtin) and not a module, as the OpRegion must be available as
227	  soon as possible. For the same reason the I2C bus driver options
228	  I2C_DESIGNWARE_PLATFORM and I2C_DESIGNWARE_BAYTRAIL must be 'y' too.
229
230config MFD_AXP20X_RSB
231	tristate "X-Powers AXP series PMICs with RSB"
232	select MFD_AXP20X
233	depends on SUNXI_RSB
234	help
235	  If you say Y here you get support for the X-Powers AXP series power
236	  management ICs (PMICs) controlled with RSB.
237	  This driver include only the core APIs. You have to select individual
238	  components like regulators or the PEK (Power Enable Key) under the
239	  corresponding menus.
240
241config MFD_CGBC
242	tristate "Congatec Board Controller"
243	select MFD_CORE
244	depends on X86
245	help
246	  This is the core driver of the Board Controller found on some Congatec
247	  SMARC modules. The Board Controller provides functions like watchdog,
248	  I2C busses, and GPIO controller.
249
250	  To compile this driver as a module, choose M here: the module will be
251	  called cgbc-core.
252
253config MFD_CROS_EC_DEV
254	tristate "ChromeOS Embedded Controller multifunction device"
255	select MFD_CORE
256	depends on CROS_EC
257	default CROS_EC
258	help
259	  Select this to get support for ChromeOS Embedded Controller
260	  sub-devices. This driver will instantiate additional drivers such
261	  as RTC, USBPD, etc. but you have to select the individual drivers.
262
263	  To compile this driver as a module, choose M here: the module will be
264	  called cros-ec-dev.
265
266config MFD_CS40L50_CORE
267	tristate
268	select MFD_CORE
269	select FW_CS_DSP
270	select REGMAP_IRQ
271
272config MFD_CS40L50_I2C
273	tristate "Cirrus Logic CS40L50 (I2C)"
274	select REGMAP_I2C
275	select MFD_CS40L50_CORE
276	depends on I2C
277	help
278	  Select this to support the Cirrus Logic CS40L50 Haptic
279	  Driver over I2C.
280
281	  This driver can be built as a module. If built as a module it will be
282	  called "cs40l50-i2c".
283
284config MFD_CS40L50_SPI
285	tristate "Cirrus Logic CS40L50 (SPI)"
286	select REGMAP_SPI
287	select MFD_CS40L50_CORE
288	depends on SPI
289	help
290	  Select this to support the Cirrus Logic CS40L50 Haptic
291	  Driver over SPI.
292
293	  This driver can be built as a module. If built as a module it will be
294	  called "cs40l50-spi".
295
296config MFD_CS42L43
297	tristate
298	select MFD_CORE
299	select REGMAP
300	select REGMAP_IRQ
301
302config MFD_CS42L43_I2C
303	tristate "Cirrus Logic CS42L43 (I2C)"
304	depends on I2C
305	select REGMAP_I2C
306	select MFD_CS42L43
307	help
308	  Select this to support the Cirrus Logic CS42L43 PC CODEC with
309	  headphone and class D speaker drivers over I2C.
310
311config MFD_CS42L43_SDW
312	tristate "Cirrus Logic CS42L43 (SoundWire)"
313	depends on SOUNDWIRE
314	select REGMAP_SOUNDWIRE
315	select MFD_CS42L43
316	help
317	  Select this to support the Cirrus Logic CS42L43 PC CODEC with
318	  headphone and class D speaker drivers over SoundWire.
319
320config MFD_LOCHNAGAR
321	bool "Cirrus Logic Lochnagar Audio Development Board"
322	select MFD_CORE
323	select REGMAP_I2C
324	depends on I2C=y && OF
325	help
326	  Support for Cirrus Logic Lochnagar audio development board.
327
328config MFD_MACSMC
329	tristate "Apple Silicon System Management Controller (SMC)"
330	depends on ARCH_APPLE || COMPILE_TEST
331	depends on OF
332	depends on APPLE_RTKIT
333	select MFD_CORE
334	help
335	  The System Management Controller (SMC) on Apple Silicon machines is a
336	  piece of hardware that exposes various functionalities such as
337	  temperature sensors, voltage/power meters, shutdown/reboot handling,
338	  GPIOs and more.
339
340	  Communication happens via a shared mailbox using the RTKit protocol
341	  which is also used for other co-processors. The SMC protocol then
342	  allows reading and writing many different keys which implement the
343	  various features. The MFD core device handles this protocol and
344	  exposes it to the sub-devices.
345
346config MFD_MADERA
347	tristate "Cirrus Logic Madera codecs"
348	select MFD_CORE
349	select REGMAP
350	select REGMAP_IRQ
351	select MADERA_IRQ
352	select PINCTRL
353	select PINCTRL_MADERA
354	help
355	  Support for the Cirrus Logic Madera platform audio codecs
356
357config MFD_MADERA_I2C
358	tristate "Cirrus Logic Madera codecs with I2C"
359	depends on MFD_MADERA
360	depends on I2C
361	select REGMAP_I2C
362	help
363	  Support for the Cirrus Logic Madera platform audio SoC
364	  core functionality controlled via I2C.
365
366config MFD_MADERA_SPI
367	tristate "Cirrus Logic Madera codecs with SPI"
368	depends on MFD_MADERA
369	depends on SPI_MASTER
370	select REGMAP_SPI
371	help
372	  Support for the Cirrus Logic Madera platform audio SoC
373	  core functionality controlled via SPI.
374
375config MFD_CS47L15
376	bool "Cirrus Logic CS47L15"
377	select PINCTRL_CS47L15
378	depends on MFD_MADERA
379	help
380	  Support for Cirrus Logic CS47L15 Smart Codec
381
382config MFD_CS47L35
383	bool "Cirrus Logic CS47L35"
384	select PINCTRL_CS47L35
385	depends on MFD_MADERA
386	help
387	  Support for Cirrus Logic CS47L35 Smart Codec
388
389config MFD_CS47L85
390	bool "Cirrus Logic CS47L85"
391	select PINCTRL_CS47L85
392	depends on MFD_MADERA
393	help
394	  Support for Cirrus Logic CS47L85 Smart Codec
395
396config MFD_CS47L90
397	bool "Cirrus Logic CS47L90/91"
398	select PINCTRL_CS47L90
399	depends on MFD_MADERA
400	help
401	  Support for Cirrus Logic CS47L90 and CS47L91 Smart Codecs
402
403config MFD_CS47L92
404	bool "Cirrus Logic CS47L92/93"
405	select PINCTRL_CS47L92
406	depends on MFD_MADERA
407	help
408	  Support for Cirrus Logic CS42L92, CS47L92 and CS47L93 Smart Codecs
409
410config PMIC_DA903X
411	bool "Dialog Semiconductor DA9030/DA9034 PMIC Support"
412	depends on I2C=y
413	help
414	  Say yes here to add support for Dialog Semiconductor DA9030 (a.k.a
415	  ARAVA) and DA9034 (a.k.a MICCO), these are Power Management IC
416	  usually found on PXA processors-based platforms. This includes
417	  the I2C driver and the core APIs _only_, you have to select
418	  individual components like LCD backlight, voltage regulators,
419	  LEDs and battery-charger under the corresponding menus.
420
421config PMIC_DA9052
422	bool
423	select MFD_CORE
424
425config MFD_DA9052_SPI
426	bool "Dialog Semiconductor DA9052/53 PMIC variants with SPI"
427	select REGMAP_SPI
428	select REGMAP_IRQ
429	select PMIC_DA9052
430	depends on SPI_MASTER=y
431	help
432	  Support for the Dialog Semiconductor DA9052 PMIC
433	  when controlled using SPI. This driver provides common support
434	  for accessing the device, additional drivers must be enabled in
435	  order to use the functionality of the device.
436
437config MFD_DA9052_I2C
438	bool "Dialog Semiconductor DA9052/53 PMIC variants with I2C"
439	select REGMAP_I2C
440	select REGMAP_IRQ
441	select PMIC_DA9052
442	depends on I2C=y
443	help
444	  Support for the Dialog Semiconductor DA9052 PMIC
445	  when controlled using I2C. This driver provides common support
446	  for accessing the device, additional drivers must be enabled in
447	  order to use the functionality of the device.
448
449config MFD_DA9055
450	bool "Dialog Semiconductor DA9055 PMIC Support"
451	select REGMAP_I2C
452	select REGMAP_IRQ
453	select MFD_CORE
454	depends on I2C=y
455	help
456	  Say yes here for support of Dialog Semiconductor DA9055. This is
457	  a Power Management IC. This driver provides common support for
458	  accessing the device as well as the I2C interface to the chip itself.
459	  Additional drivers must be enabled in order to use the functionality
460	  of the device.
461
462config MFD_DA9062
463	tristate "Dialog Semiconductor DA9062/61 PMIC Support"
464	select MFD_CORE
465	select REGMAP_I2C
466	select REGMAP_IRQ
467	depends on I2C
468	help
469	  Say yes here for support for the Dialog Semiconductor DA9061 and
470	  DA9062 PMICs.
471	  This includes the I2C driver and core APIs.
472	  Additional drivers must be enabled in order to use the functionality
473	  of the device.
474
475config MFD_DA9063
476	tristate "Dialog Semiconductor DA9063 PMIC Support"
477	select MFD_CORE
478	select REGMAP_I2C
479	select REGMAP_IRQ
480	depends on I2C
481	help
482	  Say yes here for support for the Dialog Semiconductor DA9063 PMIC.
483	  This includes the I2C driver and core APIs.
484	  Additional drivers must be enabled in order to use the functionality
485	  of the device.
486
487config MFD_DA9150
488	tristate "Dialog Semiconductor DA9150 Charger Fuel-Gauge chip"
489	depends on I2C
490	select MFD_CORE
491	select REGMAP_I2C
492	select REGMAP_IRQ
493	help
494	  This adds support for the DA9150 integrated charger and fuel-gauge
495	  chip. This driver provides common support for accessing the device.
496	  Additional drivers must be enabled in order to use the specific
497	  features of the device.
498
499config MFD_DLN2
500	tristate "Diolan DLN2 support"
501	select MFD_CORE
502	depends on USB
503	help
504	  This adds support for Diolan USB-I2C/SPI/GPIO Master Adapter
505	  DLN-2. Additional drivers such as I2C_DLN2, GPIO_DLN2,
506	  etc. must be enabled in order to use the functionality of
507	  the device.
508
509config MFD_ENE_KB3930
510	tristate "ENE KB3930 Embedded Controller support"
511	depends on I2C
512	depends on MACH_MMP3_DT || COMPILE_TEST
513	select MFD_CORE
514	help
515	  This adds support for the power-off functionality and access to
516	  the registers that control LEDS and USB port power on ENE KB3930
517	  Embedded Controller. To use the LED functionality LEDS_ARIEL must
518	  be enabled.
519
520config MFD_EXYNOS_LPASS
521	tristate "Samsung Exynos SoC Low Power Audio Subsystem"
522	depends on ARCH_EXYNOS || COMPILE_TEST
523	select MFD_CORE
524	select REGMAP_MMIO
525	help
526	  Select this option to enable support for Samsung Exynos Low Power
527	  Audio Subsystem present on some of Samsung Exynos
528	  SoCs (e.g. Exynos5433).
529	  Choose Y here only if you build for such Samsung SoC.
530
531config MFD_GATEWORKS_GSC
532	tristate "Gateworks System Controller"
533	depends on I2C && OF
534	select MFD_CORE
535	select REGMAP_I2C
536	select REGMAP_IRQ
537	help
538	  Enable support for the Gateworks System Controller (GSC) found
539	  on Gateworks Single Board Computers supporting system functions
540	  such as push-button monitor, multiple ADC's for voltage and
541	  temperature monitoring, fan controller and watchdog monitor.
542	  This driver provides common support for accessing the device.
543	  Additional drivers must be enabled in order to use the
544	  functionality of the device.
545
546config MFD_MC13XXX
547	tristate
548	depends on SPI_MASTER || I2C
549	select MFD_CORE
550	select REGMAP_IRQ
551	help
552	  Enable support for the Freescale MC13783 and MC13892 PMICs.
553	  This driver provides common support for accessing the device,
554	  additional drivers must be enabled in order to use the
555	  functionality of the device.
556
557config MFD_MC13XXX_SPI
558	tristate "Freescale MC13783 and MC13892 SPI interface"
559	depends on SPI_MASTER
560	select REGMAP_SPI
561	select MFD_MC13XXX
562	help
563	  Select this if your MC13xxx is connected via an SPI bus.
564
565config MFD_MC13XXX_I2C
566	tristate "Freescale MC13892 I2C interface"
567	depends on I2C
568	select REGMAP_I2C
569	select MFD_MC13XXX
570	help
571	  Select this if your MC13xxx is connected via an I2C bus.
572
573config MFD_MP2629
574	tristate "Monolithic Power Systems MP2629 ADC and Battery charger"
575	depends on I2C
576	select REGMAP_I2C
577	select MFD_CORE
578	help
579	  Select this option to enable support for Monolithic Power Systems
580	  battery charger. This provides ADC, thermal and battery charger power
581	  management functions.
582
583config MFD_MXS_LRADC
584	tristate "Freescale i.MX23/i.MX28 LRADC"
585	depends on ARCH_MXS || COMPILE_TEST
586	select MFD_CORE
587	select STMP_DEVICE
588	help
589	  Say yes here to build support for the Low Resolution
590	  Analog-to-Digital Converter (LRADC) found on the i.MX23 and i.MX28
591	  processors. This driver provides common support for accessing the
592	  device, additional drivers must be enabled in order to use the
593	  functionality of the device:
594		mxs-lradc-adc for ADC readings
595		mxs-lradc-ts  for touchscreen support
596
597	  This driver can also be built as a module. If so, the module will be
598	  called mxs-lradc.
599
600config MFD_MX25_TSADC
601	tristate "Freescale i.MX25 integrated Touchscreen and ADC unit"
602	select REGMAP_MMIO
603	depends on (SOC_IMX25 && OF) || COMPILE_TEST
604	help
605	  Enable support for the integrated Touchscreen and ADC unit of the
606	  i.MX25 processors. They consist of a conversion queue for general
607	  purpose ADC and a queue for Touchscreens.
608
609config MFD_PF1550
610	tristate "NXP PF1550 PMIC Support"
611	depends on I2C=y && OF
612	select MFD_CORE
613	select REGMAP_I2C
614	select REGMAP_IRQ
615	help
616	  Say yes here to add support for NXP PF1550. This is a companion Power
617	  Management IC with regulators, onkey, and charger control on chip.
618	  This driver provides common support for accessing the device;
619	  additional drivers must be enabled in order to use the functionality
620	  of the device.
621
622	  This driver can also be built as a module and if so will be called
623	  pf1550.
624
625config MFD_HI6421_PMIC
626	tristate "HiSilicon Hi6421 PMU/Codec IC"
627	depends on OF
628	select MFD_CORE
629	select REGMAP_MMIO
630	help
631	  Add support for HiSilicon Hi6421 PMIC. Hi6421 includes multi-
632	  functions, such as regulators, RTC, codec, Coulomb counter, etc.
633	  This driver includes core APIs _only_. You have to select
634	  individual components like voltage regulators under corresponding
635	  menus in order to enable them.
636	  We communicate with the Hi6421 via memory-mapped I/O.
637
638config MFD_HI6421_SPMI
639	tristate "HiSilicon Hi6421v600 SPMI PMU/Codec IC"
640	depends on OF
641	depends on SPMI
642	select MFD_CORE
643	select REGMAP_SPMI
644	help
645	  Add support for HiSilicon Hi6421v600 SPMI PMIC. Hi6421 includes
646	  multi-functions, such as regulators, RTC, codec, Coulomb counter,
647	  etc.
648
649	  This driver includes core APIs _only_. You have to select
650	  individual components like voltage regulators under corresponding
651	  menus in order to enable them.
652	  We communicate with the Hi6421v600 via a SPMI bus.
653
654config MFD_HI655X_PMIC
655	tristate "HiSilicon Hi655X series PMU/Codec IC"
656	depends on ARCH_HISI || COMPILE_TEST
657	depends on OF
658	select MFD_CORE
659	select REGMAP_MMIO
660	select REGMAP_IRQ
661	help
662	  Select this option to enable Hisilicon hi655x series pmic driver.
663
664config MFD_INTEL_QUARK_I2C_GPIO
665	tristate "Intel Quark MFD I2C GPIO"
666	depends on PCI
667	depends on X86
668	depends on COMMON_CLK
669	select MFD_CORE
670	help
671	  This MFD provides support for I2C and GPIO that exist only
672	  in a single PCI device. It splits the 2 IO devices to
673	  their respective IO driver.
674	  The GPIO exports a total amount of 8 interrupt-capable GPIOs.
675
676config LPC_ICH
677	tristate "Intel ICH LPC"
678	depends on PCI
679	select MFD_CORE
680	select P2SB if X86
681	help
682	  The LPC bridge function of the Intel ICH provides support for
683	  many functional units. This driver provides needed support for
684	  other drivers to control these functions, currently GPIO and
685	  watchdog.
686
687config LPC_SCH
688	tristate "Intel SCH LPC"
689	depends on PCI
690	select MFD_CORE
691	help
692	  LPC bridge function of the Intel SCH provides support for
693	  System Management Bus and General Purpose I/O.
694
695config INTEL_SOC_PMIC
696	bool "Support for Crystal Cove PMIC"
697	depends on HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK
698	depends on (X86 && ACPI) || COMPILE_TEST
699	depends on I2C_DESIGNWARE_PLATFORM=y || COMPILE_TEST
700	select MFD_CORE
701	select REGMAP_I2C
702	select REGMAP_IRQ
703	help
704	  Select this option to enable support for Crystal Cove PMIC
705	  on some Intel SoC systems. The PMIC provides ADC, GPIO,
706	  thermal, charger and related power management functions
707	  on these systems.
708
709	  This option is a bool as it provides an ACPI OpRegion which must be
710	  available before any devices using it are probed. This option also
711	  causes the designware-i2c driver to be builtin for the same reason.
712
713config INTEL_SOC_PMIC_BXTWC
714	tristate "Support for Intel Broxton Whiskey Cove PMIC"
715	depends on MFD_INTEL_PMC_BXT
716	select MFD_CORE
717	select REGMAP_IRQ
718	help
719	  Select this option to enable support for Whiskey Cove PMIC
720	  on Intel Broxton systems. The PMIC provides ADC, GPIO,
721	  thermal, charger and related power management functions
722	  on these systems.
723
724config INTEL_SOC_PMIC_CHTWC
725	bool "Support for Intel Cherry Trail Whiskey Cove PMIC"
726	depends on ACPI && HAS_IOMEM && I2C=y && COMMON_CLK
727	depends on X86 || COMPILE_TEST
728	depends on I2C_DESIGNWARE_PLATFORM=y
729	select MFD_CORE
730	select REGMAP_I2C
731	select REGMAP_IRQ
732	help
733	  Select this option to enable support for the Intel Cherry Trail
734	  Whiskey Cove PMIC found on some Intel Cherry Trail systems.
735
736	  This option is a bool as it provides an ACPI OpRegion which must be
737	  available before any devices using it are probed. This option also
738	  causes the designware-i2c driver to be builtin for the same reason.
739
740config INTEL_SOC_PMIC_CHTDC_TI
741	tristate "Support for Intel Cherry Trail Dollar Cove TI PMIC"
742	depends on GPIOLIB
743	depends on I2C=y && I2C_DESIGNWARE_PLATFORM=y
744	depends on ACPI
745	depends on X86
746	select MFD_CORE
747	select REGMAP_I2C
748	select REGMAP_IRQ
749	help
750	  Select this option for supporting Dollar Cove (TI version) PMIC
751	  device that is found on some Intel Cherry Trail systems.
752
753	  This option is a bool as it provides an ACPI OpRegion which must be
754	  available before any devices using it are probed. This option also
755	  needs the designware-i2c driver to be builtin for the same reason.
756
757config INTEL_SOC_PMIC_MRFLD
758	tristate "Support for Intel Merrifield Basin Cove PMIC"
759	depends on GPIOLIB
760	depends on ACPI
761	depends on INTEL_SCU
762	select MFD_CORE
763	select REGMAP_IRQ
764	help
765	  Select this option for supporting Basin Cove PMIC device
766	  that is found on Intel Merrifield systems.
767
768config MFD_INTEL_LPSS
769	tristate
770	select COMMON_CLK
771	select MFD_CORE
772
773config MFD_INTEL_LPSS_ACPI
774	tristate "Intel Low Power Subsystem support in ACPI mode"
775	select MFD_INTEL_LPSS
776	depends on X86 && ACPI
777	help
778	  This driver supports Intel Low Power Subsystem (LPSS) devices such as
779	  I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
780	  PCH) in ACPI mode.
781
782config MFD_INTEL_LPSS_PCI
783	tristate "Intel Low Power Subsystem support in PCI mode"
784	select MFD_INTEL_LPSS
785	depends on X86 && PCI
786	help
787	  This driver supports Intel Low Power Subsystem (LPSS) devices such as
788	  I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
789	  PCH) in PCI mode.
790
791config MFD_INTEL_PMC_BXT
792	tristate "Intel PMC Driver for Broxton"
793	depends on X86
794	depends on X86_PLATFORM_DEVICES
795	depends on ACPI
796	select INTEL_SCU_IPC
797	select MFD_CORE
798	help
799	  This driver provides support for the PMC (Power Management
800	  Controller) on Intel Broxton and Apollo Lake. The PMC is a
801	  multi-function device that exposes IPC, General Control
802	  Register and P-unit access. In addition this creates devices
803	  for iTCO watchdog and telemetry that are part of the PMC.
804
805config MFD_IPAQ_MICRO
806	bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support"
807	depends on SA1100_H3600
808	select MFD_CORE
809	help
810	  Select this to get support for the Microcontroller found in
811	  the Compaq iPAQ handheld computers. This is an Atmel
812	  AT90LS8535 microcontroller flashed with a special iPAQ
813	  firmware using the custom protocol implemented in this driver.
814
815config MFD_IQS62X
816	tristate "Azoteq IQS620A/621/622/624/625 core support"
817	depends on I2C
818	select MFD_CORE
819	select REGMAP_I2C
820	help
821	  Say Y here if you want to build core support for the Azoteq IQS620A,
822	  IQS621, IQS622, IQS624 and IQS625 multi-function sensors. Additional
823	  options must be selected to enable device-specific functions.
824
825	  To compile this driver as a module, choose M here: the module will
826	  be called iqs62x.
827
828config MFD_JANZ_CMODIO
829	tristate "Janz CMOD-IO PCI MODULbus Carrier Board"
830	select MFD_CORE
831	depends on PCI
832	help
833	  This is the core driver for the Janz CMOD-IO PCI MODULbus
834	  carrier board. This device is a PCI to MODULbus bridge which may
835	  host many different types of MODULbus daughterboards, including
836	  CAN and GPIO controllers.
837
838config MFD_KEMPLD
839	tristate "Kontron module PLD device"
840	select MFD_CORE
841	help
842	  This is the core driver for the PLD (Programmable Logic Device) found
843	  on some Kontron ETX and nearly all COMexpress (ETXexpress) modules as
844	  well as on some other Kontron products. The PLD device may provide
845	  functions like watchdog, GPIO, UART and I2C bus.
846
847	  This driver can also be built as a module. If so, the module
848	  will be called kempld-core.
849
850config MFD_88PM800
851	tristate "Marvell 88PM800"
852	depends on I2C
853	select REGMAP_I2C
854	select REGMAP_IRQ
855	select MFD_CORE
856	help
857	  This supports for Marvell 88PM800 Power Management IC.
858	  This includes the I2C driver and the core APIs _only_, you have to
859	  select individual components like voltage regulators, RTC and
860	  battery-charger under the corresponding menus.
861
862config MFD_88PM805
863	tristate "Marvell 88PM805"
864	depends on I2C
865	select REGMAP_I2C
866	select REGMAP_IRQ
867	select MFD_CORE
868	help
869	  This supports for Marvell 88PM805 Power Management IC. This includes
870	  the I2C driver and the core APIs _only_, you have to select individual
871	  components like codec device, headset/Mic device under the
872	  corresponding menus.
873
874config MFD_88PM860X
875	bool "Marvell 88PM8606/88PM8607"
876	depends on I2C=y
877	select REGMAP_I2C
878	select MFD_CORE
879	help
880	  This supports for Marvell 88PM8606/88PM8607 Power Management IC.
881	  This includes the I2C driver and the core APIs _only_, you have to
882	  select individual components like voltage regulators, RTC and
883	  battery-charger under the corresponding menus.
884
885config MFD_88PM886_PMIC
886	bool "Marvell 88PM886 PMIC"
887	depends on I2C=y
888	depends on OF
889	select REGMAP_I2C
890	select REGMAP_IRQ
891	select MFD_CORE
892	help
893	  This enables support for Marvell 88PM886 Power Management IC.
894	  This includes the I2C driver and the core APIs _only_, you have to
895	  select individual components like onkey under the corresponding menus.
896
897config MFD_MAX5970
898	tristate "Maxim 5970/5978 power switch and monitor"
899	depends on I2C
900	select MFD_SIMPLE_MFD_I2C
901	help
902	  This driver controls a Maxim 5970/5978 switch via I2C bus.
903	  The MAX5970/5978 is a smart switch with no output regulation, but
904	  fault protection and voltage and current monitoring capabilities.
905	  Also it supports upto 4 indication leds.
906
907config MFD_MAX14577
908	tristate "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support"
909	depends on I2C
910	select MFD_CORE
911	select REGMAP_I2C
912	select REGMAP_IRQ
913	select IRQ_DOMAIN
914	help
915	  Say yes here to add support for Maxim Semiconductor MAX14577 and
916	  MAX77836 Micro-USB ICs with battery charger.
917	  This driver provides common support for accessing the device;
918	  additional drivers must be enabled in order to use the functionality
919	  of the device.
920
921config MFD_MAX77541
922	tristate "Analog Devices MAX77541/77540 PMIC Support"
923	depends on I2C=y
924	select MFD_CORE
925	select REGMAP_I2C
926	select REGMAP_IRQ
927	help
928	  Say yes here to add support for Analog Devices MAX77541 and
929	  MAX77540 Power Management ICs. This driver provides
930	  common support for accessing the device; additional drivers
931	  must be enabled in order to use the functionality of the device.
932	  There are regulators and adc.
933
934config MFD_MAX77620
935	tristate "Maxim Semiconductor MAX77620 and MAX20024 PMIC Support"
936	depends on I2C=y
937	depends on OF
938	select MFD_CORE
939	select REGMAP_I2C
940	select REGMAP_IRQ
941	select IRQ_DOMAIN
942	help
943	  Say yes here to add support for Maxim Semiconductor MAX77620 and
944	  MAX20024 which are Power Management IC with General purpose pins,
945	  RTC, regulators, clock generator, watchdog etc. This driver
946	  provides common support for accessing the device; additional drivers
947	  must be enabled in order to use the functionality of the device.
948
949config MFD_MAX77650
950	tristate "Maxim MAX77650/77651 PMIC Support"
951	depends on I2C
952	depends on OF
953	select MFD_CORE
954	select REGMAP_I2C
955	select REGMAP_IRQ
956	help
957	  Say Y here to add support for Maxim Semiconductor MAX77650 and
958	  MAX77651 Power Management ICs. This is the core multifunction
959	  driver for interacting with the device. The module name is
960	  'max77650'. Additional drivers can be enabled in order to use
961	  the following functionalities of the device: GPIO, regulator,
962	  charger, LED, onkey.
963
964config MFD_MAX77686
965	tristate "Maxim Semiconductor MAX77686/802 PMIC Support"
966	depends on I2C
967	depends on OF
968	select MFD_CORE
969	select REGMAP_I2C
970	select REGMAP_IRQ
971	select IRQ_DOMAIN
972	help
973	  Say yes here to add support for Maxim Semiconductor MAX77686 and
974	  MAX77802 which are Power Management IC with an RTC on chip.
975	  This driver provides common support for accessing the device;
976	  additional drivers must be enabled in order to use the functionality
977	  of the device.
978
979config MFD_MAX77693
980	tristate "Maxim Semiconductor MAX77693 PMIC Support"
981	depends on I2C
982	select MFD_CORE
983	select REGMAP_I2C
984	select REGMAP_IRQ
985	help
986	  Say yes here to add support for Maxim Semiconductor MAX77693.
987	  This is a companion Power Management IC with Flash, Haptic, Charger,
988	  and MUIC(Micro USB Interface Controller) controls on chip.
989	  This driver provides common support for accessing the device;
990	  additional drivers must be enabled in order to use the functionality
991	  of the device.
992
993config MFD_MAX77705
994	tristate "Maxim MAX77705 PMIC Support"
995	depends on I2C
996	select MFD_CORE
997	select MFD_SIMPLE_MFD_I2C
998	help
999	  Say yes here to add support for Maxim Integrated MAX77705 PMIC.
1000	  This is a Power Management IC with Charger, safe LDOs, Flash, Haptic
1001	  and MUIC controls on chip.
1002	  This driver provides common support for accessing the device;
1003	  additional drivers must be enabled in order to use the functionality
1004	  of the device.
1005
1006config MFD_MAX77714
1007	tristate "Maxim Semiconductor MAX77714 PMIC Support"
1008	depends on I2C
1009	depends on OF
1010	select MFD_CORE
1011	select REGMAP_I2C
1012	help
1013	  Say yes here to add support for Maxim Semiconductor MAX77714.
1014	  This is a Power Management IC with 4 buck regulators, 9
1015	  low-dropout regulators, 8 GPIOs, RTC, watchdog etc. This driver
1016	  provides common support for accessing the device; additional
1017	  drivers must be enabled in order to use each functionality of the
1018	  device.
1019
1020config MFD_MAX77759
1021	tristate "Maxim Integrated MAX77759 PMIC"
1022	depends on I2C
1023	depends on OF
1024	select IRQ_DOMAIN
1025	select MFD_CORE
1026	select REGMAP_I2C
1027	select REGMAP_IRQ
1028	help
1029	  Say yes here to add support for Maxim Integrated MAX77759.
1030	  This is a companion Power Management IC for USB Type-C applications
1031	  with Battery Charger, Fuel Gauge, temperature sensors, USB Type-C
1032	  Port Controller (TCPC), NVMEM, and additional GPIO interfaces.
1033	  This driver provides common support for accessing the device;
1034	  additional drivers must be enabled in order to use the functionality
1035	  of the device.
1036
1037	  To compile this driver as a module, choose M here: the module will be
1038	  called max77759.
1039
1040config MFD_MAX77843
1041	bool "Maxim Semiconductor MAX77843 PMIC Support"
1042	depends on I2C=y
1043	select MFD_CORE
1044	select REGMAP_I2C
1045	select REGMAP_IRQ
1046	help
1047	  Say yes here to add support for Maxim Semiconductor MAX77843.
1048	  This is companion Power Management IC with LEDs, Haptic, Charger,
1049	  Fuel Gauge, MUIC(Micro USB Interface Controller) controls on chip.
1050	  This driver provides common support for accessing the device;
1051	  additional drivers must be enabled in order to use the functionality
1052	  of the device.
1053
1054config MFD_MAX8907
1055	tristate "Maxim Semiconductor MAX8907 PMIC Support"
1056	select MFD_CORE
1057	depends on I2C
1058	select REGMAP_I2C
1059	select REGMAP_IRQ
1060	help
1061	  Say yes here to add support for Maxim Semiconductor MAX8907. This is
1062	  a Power Management IC. This driver provides common support for
1063	  accessing the device; additional drivers must be enabled in order
1064	  to use the functionality of the device.
1065
1066config MFD_MAX8925
1067	bool "Maxim Semiconductor MAX8925 PMIC Support"
1068	depends on I2C=y
1069	select MFD_CORE
1070	help
1071	  Say yes here to add support for Maxim Semiconductor MAX8925. This is
1072	  a Power Management IC. This driver provides common support for
1073	  accessing the device, additional drivers must be enabled in order
1074	  to use the functionality of the device.
1075
1076config MFD_MAX8997
1077	bool "Maxim Semiconductor MAX8997/8966 PMIC Support"
1078	depends on I2C=y
1079	select MFD_CORE
1080	select IRQ_DOMAIN
1081	help
1082	  Say yes here to add support for Maxim Semiconductor MAX8997/8966.
1083	  This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic,
1084	  MUIC controls on chip.
1085	  This driver provides common support for accessing the device;
1086	  additional drivers must be enabled in order to use the functionality
1087	  of the device.
1088
1089config MFD_MAX8998
1090	bool "Maxim Semiconductor MAX8998/National LP3974 PMIC Support"
1091	depends on I2C=y
1092	select MFD_CORE
1093	select IRQ_DOMAIN
1094	help
1095	  Say yes here to add support for Maxim Semiconductor MAX8998 and
1096	  National Semiconductor LP3974. This is a Power Management IC.
1097	  This driver provides common support for accessing the device,
1098	  additional drivers must be enabled in order to use the functionality
1099	  of the device.
1100
1101config MFD_MT6360
1102	tristate "Mediatek MT6360 SubPMIC"
1103	select MFD_CORE
1104	select REGMAP_I2C
1105	select REGMAP_IRQ
1106	select CRC8
1107	depends on I2C
1108	help
1109	  Say Y here to enable MT6360 PMU/PMIC/LDO functional support.
1110	  PMU part includes Charger, Flashlight, RGB LED
1111	  PMIC part includes 2-channel BUCKs and 2-channel LDOs
1112	  LDO part includes 4-channel LDOs
1113
1114config MFD_MT6370
1115	tristate "MediaTek MT6370 SubPMIC"
1116	select MFD_CORE
1117	select REGMAP_I2C
1118	select REGMAP_IRQ
1119	depends on I2C
1120	help
1121	  Say Y here to enable MT6370 SubPMIC functional support.
1122	  It consists of a single cell battery charger with ADC monitoring, RGB
1123	  LEDs, dual channel flashlight, WLED backlight driver, display bias
1124	  voltage supply, one general purpose LDO, and the USB Type-C & PD
1125	  controller complies with the latest USB Type-C and PD standards.
1126
1127	  This driver can also be built as a module. If so, the module
1128	  will be called "mt6370".
1129
1130config MFD_MT6397
1131	tristate "MediaTek MT6397 PMIC Support"
1132	select MFD_CORE
1133	select IRQ_DOMAIN
1134	help
1135	  Say yes here to add support for MediaTek MT6397 PMIC. This is
1136	  a Power Management IC. This driver provides common support for
1137	  accessing the device; additional drivers must be enabled in order
1138	  to use the functionality of the device.
1139
1140config MFD_MENF21BMC
1141	tristate "MEN 14F021P00 Board Management Controller Support"
1142	depends on I2C
1143	select MFD_CORE
1144	help
1145	  Say yes here to add support for the MEN 14F021P00 BMC
1146	  which is a Board Management Controller connected to the I2C bus.
1147	  The device supports multiple sub-devices like LED, HWMON and WDT.
1148	  This driver provides common support for accessing the devices;
1149	  additional drivers must be enabled in order to use the
1150	  functionality of the BMC device.
1151
1152	  This driver can also be built as a module. If so the module
1153	  will be called menf21bmc.
1154
1155config MFD_NCT6694
1156	tristate "Nuvoton NCT6694 support"
1157	select MFD_CORE
1158	depends on USB
1159	help
1160	  This enables support for the Nuvoton USB device NCT6694, which shares
1161	  peripherals.
1162	  The Nuvoton NCT6694 is a peripheral expander with 16 GPIO chips,
1163	  6 I2C controllers, 2 CANfd controllers, 2 Watchdog timers, ADC,
1164	  PWM, and RTC.
1165	  This driver provides core APIs to access the NCT6694 hardware
1166	  monitoring and control features.
1167	  Additional drivers must be enabled to utilize the specific
1168	  functionalities of the device.
1169
1170config MFD_OCELOT
1171	tristate "Microsemi Ocelot External Control Support"
1172	depends on SPI_MASTER
1173	select MFD_CORE
1174	select REGMAP_SPI
1175	help
1176	  Ocelot is a family of networking chips that support multiple ethernet
1177	  and fibre interfaces. In addition to networking, they contain several
1178	  other functions, including pinctrl, MDIO, and communication with
1179	  external chips. While some chips have an internal processor capable of
1180	  running an OS, others don't. All chips can be controlled externally
1181	  through different interfaces, including SPI, I2C, and PCIe.
1182
1183	  Say yes here to add support for Ocelot chips (VSC7511, VSC7512,
1184	  VSC7513, VSC7514) controlled externally.
1185
1186	  To compile this driver as a module, choose M here: the module will be
1187	  called ocelot-soc.
1188
1189	  If unsure, say N.
1190
1191config EZX_PCAP
1192	bool "Motorola EZXPCAP Support"
1193	depends on SPI_MASTER
1194	help
1195	  This enables the PCAP ASIC present on EZX Phones. This is
1196	  needed for MMC, TouchScreen, Sound, USB, etc..
1197
1198config MFD_CPCAP
1199	tristate "Support for Motorola CPCAP"
1200	depends on SPI
1201	depends on OF
1202	select MFD_CORE
1203	select REGMAP_SPI
1204	select REGMAP_IRQ
1205	help
1206	  Say yes here if you want to include driver for CPCAP.
1207	  It is used on many Motorola phones and tablets as a PMIC.
1208	  At least Motorola Droid 4 is known to use CPCAP.
1209
1210config MFD_VIPERBOARD
1211	tristate "Nano River Technologies Viperboard"
1212	select MFD_CORE
1213	depends on USB
1214	default n
1215	help
1216	  Say yes here if you want support for Nano River Technologies
1217	  Viperboard.
1218	  There are mfd cell drivers available for i2c master, adc and
1219	  both gpios found on the board. The spi part does not yet
1220	  have a driver.
1221	  You need to select the mfd cell drivers separately.
1222	  The drivers do not support all features the board exposes.
1223
1224config MFD_NTXEC
1225	tristate "Netronix embedded controller (EC)"
1226	depends on OF
1227	depends on I2C
1228	select REGMAP_I2C
1229	select MFD_CORE
1230	help
1231	  Say yes here if you want to support the embedded controller found in
1232	  certain e-book readers designed by the original design manufacturer
1233	  Netronix.
1234
1235config MFD_RETU
1236	tristate "Nokia Retu and Tahvo multi-function device"
1237	select MFD_CORE
1238	depends on I2C
1239	select REGMAP_IRQ
1240	help
1241	  Retu and Tahvo are a multi-function devices found on Nokia
1242	  Internet Tablets (770, N800 and N810).
1243
1244config MFD_PM8XXX
1245	tristate "Qualcomm PM8xxx PMIC chips driver"
1246	depends on ARM || HEXAGON || COMPILE_TEST
1247	select IRQ_DOMAIN_HIERARCHY
1248	select MFD_CORE
1249	select REGMAP
1250	help
1251	  If you say yes to this option, support will be included for the
1252	  built-in PM8xxx PMIC chips.
1253
1254	  This is required if your board has a PM8xxx and uses its features,
1255	  such as: MPPs, GPIOs, regulators, interrupts, and PWM.
1256
1257	  Say M here if you want to include support for PM8xxx chips as a
1258	  module. This will build a module called "pm8xxx-core".
1259
1260config MFD_QCOM_RPM
1261	tristate "Qualcomm Resource Power Manager (RPM)"
1262	depends on ARCH_QCOM && OF
1263	help
1264	  If you say yes to this option, support will be included for the
1265	  Resource Power Manager system found in the Qualcomm 8660, 8960 and
1266	  8064 based devices.
1267
1268	  This is required to access many regulators, clocks and bus
1269	  frequencies controlled by the RPM on these devices.
1270
1271	  Say M here if you want to include support for the Qualcomm RPM as a
1272	  module. This will build a module called "qcom_rpm".
1273
1274config MFD_SPACEMIT_P1
1275	tristate "SpacemiT P1 PMIC"
1276	depends on ARCH_SPACEMIT || COMPILE_TEST
1277	depends on I2C
1278	select MFD_SIMPLE_MFD_I2C
1279	default m if ARCH_SPACEMIT
1280	help
1281	  This option supports the I2C-based SpacemiT P1 PMIC, which
1282	  contains regulators, a power switch, GPIOs, an RTC, and more.
1283	  This option is selected when any of the supported sub-devices
1284	  is configured.  The basic functionality is implemented by the
1285	  simple MFD I2C driver.
1286
1287config MFD_SPMI_PMIC
1288	tristate "Qualcomm SPMI PMICs"
1289	depends on ARCH_QCOM || COMPILE_TEST
1290	depends on OF
1291	depends on SPMI
1292	select REGMAP_SPMI
1293	help
1294	  This enables support for the Qualcomm SPMI PMICs.
1295	  These PMICs are currently used with the Snapdragon 800 series of
1296	  SoCs.  Note, that this will only be useful paired with descriptions
1297	  of the independent functions as children nodes in the device tree.
1298
1299	  Say M here if you want to include support for the SPMI PMIC
1300	  series as a module.  The module will be called "qcom-spmi-pmic".
1301
1302config MFD_SY7636A
1303	tristate "Silergy SY7636A voltage regulator"
1304	depends on I2C
1305	select MFD_SIMPLE_MFD_I2C
1306	help
1307	  Enable support for Silergy SY7636A voltage regulator.
1308
1309	  To enable support for building sub-devices as modules,
1310	  choose M here.
1311
1312config MFD_RDC321X
1313	tristate "RDC R-321x southbridge"
1314	select MFD_CORE
1315	depends on PCI
1316	help
1317	  Say yes here if you want to have support for the RDC R-321x SoC
1318	  southbridge which provides access to GPIOs and Watchdog using the
1319	  southbridge PCI device configuration space.
1320
1321config MFD_RT4831
1322	tristate "Richtek RT4831 four channel WLED and Display Bias Voltage"
1323	depends on I2C
1324	select MFD_CORE
1325	select REGMAP_I2C
1326	help
1327	  This enables support for the Richtek RT4831 that includes 4 channel
1328	  WLED driving and Display Bias Voltage. It's commonly used to provide
1329	  power to the LCD display and LCD backlight.
1330
1331config MFD_RT5033
1332	tristate "Richtek RT5033 Power Management IC"
1333	depends on I2C
1334	select MFD_CORE
1335	select REGMAP_I2C
1336	select REGMAP_IRQ
1337	help
1338	  This driver provides for the Richtek RT5033 Power Management IC,
1339	  which includes the I2C driver and the Core APIs. This driver provides
1340	  common support for accessing the device. The device supports multiple
1341	  sub-devices like charger, fuel gauge, flash LED, current source,
1342	  LDO and Buck.
1343
1344config MFD_RT5120
1345	tristate "Richtek RT5120 Power Management IC"
1346	depends on I2C
1347	select MFD_CORE
1348	select REGMAP_I2C
1349	select REGMAP_IRQ
1350	help
1351	  The enables support for Richtek RT5120 PMIC. It includes four high
1352	  efficiency buck converters and one LDO voltage regulator. The device
1353	  is targeted at providing the CPU voltage, memory, I/O and peripheral
1354	  power rails in home entertainment devices.
1355
1356config MFD_RC5T583
1357	bool "Ricoh RC5T583 Power Management system device"
1358	depends on I2C=y
1359	select MFD_CORE
1360	select REGMAP_I2C
1361	help
1362	  Select this option to get support for the RICOH583 Power
1363	  Management system device.
1364	  This driver provides common support for accessing the device
1365	  through i2c interface. The device supports multiple sub-devices
1366	  like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey.
1367	  Additional drivers must be enabled in order to use the
1368	  different functionality of the device.
1369
1370config MFD_RK8XX
1371	tristate
1372	select MFD_CORE
1373
1374config MFD_RK8XX_I2C
1375	tristate "Rockchip RK8xx Power Management Chips"
1376	depends on I2C && OF
1377	select MFD_CORE
1378	select REGMAP_I2C
1379	select REGMAP_IRQ
1380	select MFD_RK8XX
1381	help
1382	  If you say yes here you get support for the RK801, RK805, RK808,
1383	  RK809, RK816, RK817 and RK818 Power Management chips.
1384	  This driver provides common support for accessing the device
1385	  through I2C interface. The device supports multiple sub-devices
1386	  including interrupts, RTC, LDO & DCDC regulators, and onkey.
1387
1388config MFD_RK8XX_SPI
1389	tristate "Rockchip RK806 Power Management Chip"
1390	depends on SPI && OF
1391	select MFD_CORE
1392	select REGMAP_SPI
1393	select REGMAP_IRQ
1394	select MFD_RK8XX
1395	help
1396	  If you say yes here you get support for the RK806 Power Management
1397	  chip.
1398	  This driver provides common support for accessing the device
1399	  through an SPI interface. The device supports multiple sub-devices
1400	  including interrupts, LDO & DCDC regulators, and power on-key.
1401
1402config MFD_RN5T618
1403	tristate "Ricoh RN5T567/618 PMIC"
1404	depends on I2C
1405	depends on OF
1406	select MFD_CORE
1407	select REGMAP_I2C
1408	select REGMAP_IRQ
1409	help
1410	  Say yes here to add support for the Ricoh RN5T567,
1411	  RN5T618, RC5T619 PMIC.
1412	  This driver provides common support for accessing the device,
1413	  additional drivers must be enabled in order to use the
1414	  functionality of the device.
1415
1416config MFD_SEC_CORE
1417	tristate
1418	select MFD_CORE
1419	select REGMAP_IRQ
1420
1421config MFD_SEC_ACPM
1422	tristate "Samsung Electronics S2MPG1x PMICs"
1423	depends on EXYNOS_ACPM_PROTOCOL
1424	depends on OF
1425	select MFD_SEC_CORE
1426	help
1427	  Support for the Samsung Electronics PMICs with ACPM interface.
1428	  This is a Power Management IC for mobile applications with buck
1429	  converters, various LDOs, power meters, RTC, clock outputs, and
1430	  additional GPIOs interfaces.
1431	  This driver provides common support for accessing the device;
1432	  additional drivers must be enabled in order to use the functionality
1433	  of the device.
1434
1435	  To compile this driver as a module, choose M here: the module will be
1436	  called sec-acpm.
1437
1438config MFD_SEC_I2C
1439	tristate "Samsung Electronics S2MPA/S2MPS1X/S2MPU/S5M series PMICs"
1440	depends on I2C=y
1441	depends on OF
1442	select MFD_SEC_CORE
1443	select REGMAP_I2C
1444	help
1445	  Support for the Samsung Electronics PMIC devices with I2C interface
1446	  coming usually along with Samsung Exynos SoC chipset.
1447	  This driver provides common support for accessing the device,
1448	  additional drivers must be enabled in order to use the functionality
1449	  of the device.
1450
1451	  To compile this driver as a module, choose M here: the
1452	  module will be called sec-i2c.
1453	  Have in mind that important core drivers (like regulators) depend
1454	  on this driver so building this as a module might require proper
1455	  initial ramdisk or might not boot up as well in certain scenarios.
1456
1457config MFD_SI476X_CORE
1458	tristate "Silicon Laboratories 4761/64/68 AM/FM radio."
1459	depends on I2C
1460	depends on GPIOLIB_LEGACY
1461	select MFD_CORE
1462	select REGMAP_I2C
1463	help
1464	  This is the core driver for the SI476x series of AM/FM
1465	  radio. This MFD driver connects the radio-si476x V4L2 module
1466	  and the si476x audio codec.
1467
1468	  To compile this driver as a module, choose M here: the
1469	  module will be called si476x-core.
1470
1471config MFD_SIMPLE_MFD_I2C
1472	tristate
1473	depends on I2C
1474	select MFD_CORE
1475	select REGMAP_I2C
1476	help
1477	  This driver creates a single register map with the intention for it
1478	  to be shared by all sub-devices.
1479
1480	  Once the register map has been successfully initialised, any
1481	  sub-devices represented by child nodes in Device Tree will be
1482	  subsequently registered.
1483
1484config MFD_SL28CPLD
1485	tristate "Kontron sl28cpld Board Management Controller"
1486	depends on I2C
1487	depends on ARCH_LAYERSCAPE || COMPILE_TEST
1488	select MFD_SIMPLE_MFD_I2C
1489	help
1490	  Say yes here to enable support for the Kontron sl28cpld board
1491	  management controller.
1492
1493	  It can be found on the following boards:
1494		* SMARC-sAL28
1495
1496config MFD_SM501
1497	tristate "Silicon Motion SM501"
1498	depends on HAS_DMA
1499	help
1500	  This is the core driver for the Silicon Motion SM501 multimedia
1501	  companion chip. This device is a multifunction device which may
1502	  provide numerous interfaces including USB host controller, USB gadget,
1503	  asynchronous serial ports, audio functions, and a dual display video
1504	  interface. The device may be connected by PCI or local bus with
1505	  varying functions enabled.
1506
1507config MFD_SM501_GPIO
1508	bool "Export GPIO via GPIO layer"
1509	depends on MFD_SM501 && GPIOLIB
1510	help
1511	  This option uses the gpio library layer to export the 64 GPIO
1512	  lines on the SM501. The platform data is used to supply the
1513	  base number for the first GPIO line to register.
1514
1515config MFD_SKY81452
1516	tristate "Skyworks Solutions SKY81452"
1517	select MFD_CORE
1518	select REGMAP_I2C
1519	depends on I2C
1520	help
1521	  This is the core driver for the Skyworks SKY81452 backlight and
1522	  voltage regulator device.
1523
1524	  This driver can also be built as a module.  If so, the module
1525	  will be called sky81452.
1526
1527config MFD_SC27XX_PMIC
1528	tristate "Spreadtrum SC27xx PMICs"
1529	depends on ARCH_SPRD || COMPILE_TEST
1530	depends on SPI_MASTER
1531	select MFD_CORE
1532	select REGMAP_SPI
1533	select REGMAP_IRQ
1534	help
1535	  This enables support for the Spreadtrum SC27xx PMICs with SPI
1536	  interface. The SC27xx series PMICs integrate power management,
1537	  audio codec, battery management and user interface support
1538	  function (such as RTC, Typec, indicator and so on) in a single chip.
1539
1540	  This driver provides common support for accessing the SC27xx PMICs,
1541	  and it also adds the irq_chip parts for handling the PMIC chip events.
1542
1543config RZ_MTU3
1544	tristate "Renesas RZ/G2L MTU3a core driver"
1545	depends on (ARCH_RZG2L && OF) || COMPILE_TEST
1546	select MFD_CORE
1547	help
1548	  Select this option to enable Renesas RZ/G2L MTU3a core driver for
1549	  the Multi-Function Timer Pulse Unit 3 (MTU3a) hardware available
1550	  on SoCs from Renesas. The core driver shares the clk and channel
1551	  register access for the other child devices like Counter, PWM,
1552	  Clock Source, and Clock event.
1553
1554config ABX500_CORE
1555	bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions"
1556	depends on ARCH_U8500 || COMPILE_TEST
1557	default y if ARCH_U8500
1558	help
1559	  Say yes here if you have the ABX500 Mixed Signal IC family
1560	  chips. This core driver expose register access functions.
1561	  Functionality specific drivers using these functions can
1562	  remain unchanged when IC changes. Binding of the functions to
1563	  actual register access is done by the IC core driver.
1564
1565config AB8500_CORE
1566	bool "ST-Ericsson AB8500 Mixed Signal Power Management chip"
1567	depends on ABX500_CORE && MFD_DB8500_PRCMU
1568	select POWER_SUPPLY
1569	select MFD_CORE
1570	select IRQ_DOMAIN
1571	help
1572	  Select this option to enable access to AB8500 power management
1573	  chip. This connects to U8500 either on the SSP/SPI bus (deprecated
1574	  since hardware version v1.0) or the I2C bus via PRCMU. It also adds
1575	  the irq_chip parts for handling the Mixed Signal chip events.
1576	  This chip embeds various other multimedia functionalities as well.
1577
1578config MFD_DB8500_PRCMU
1579	bool "ST-Ericsson DB8500 Power Reset Control Management Unit"
1580	depends on UX500_SOC_DB8500
1581	select MFD_CORE
1582	help
1583	  Select this option to enable support for the DB8500 Power Reset
1584	  and Control Management Unit. This is basically an autonomous
1585	  system controller running an XP70 microprocessor, which is accessed
1586	  through a register map.
1587
1588config MFD_STMPE
1589	tristate "STMicroelectronics STMPE"
1590	depends on I2C || SPI_MASTER
1591	depends on OF
1592	select MFD_CORE
1593	help
1594	  Support for the STMPE family of I/O Expanders from
1595	  STMicroelectronics.
1596
1597	  Currently supported devices are:
1598
1599		STMPE811: GPIO, Touchscreen, ADC
1600		STMPE1601: GPIO, Keypad
1601		STMPE1801: GPIO, Keypad
1602		STMPE2401: GPIO, Keypad
1603		STMPE2403: GPIO, Keypad
1604
1605	  This driver provides common support for accessing the device,
1606	  additional drivers must be enabled in order to use the functionality
1607	  of the device.  Currently available sub drivers are:
1608
1609		GPIO: stmpe-gpio
1610		Keypad: stmpe-keypad
1611		Touchscreen: stmpe-ts
1612		ADC: stmpe-adc
1613
1614menu "STMicroelectronics STMPE Interface Drivers"
1615depends on MFD_STMPE
1616
1617config STMPE_I2C
1618	tristate "STMicroelectronics STMPE I2C Interface"
1619	depends on I2C
1620	default y
1621	help
1622	  This is used to enable I2C interface of STMPE
1623
1624config STMPE_SPI
1625	tristate "STMicroelectronics STMPE SPI Interface"
1626	depends on SPI_MASTER
1627	help
1628	  This is used to enable SPI interface of STMPE
1629endmenu
1630
1631config MFD_SUN6I_PRCM
1632	bool "Allwinner A31/A23/A33 PRCM controller"
1633	depends on ARCH_SUNXI || COMPILE_TEST
1634	select MFD_CORE
1635	help
1636	  Support for the PRCM (Power/Reset/Clock Management) unit available
1637	  in the A31, A23, and A33 SoCs. Other Allwinner SoCs contain similar
1638	  hardware, but they do not use this driver.
1639
1640config MFD_SYSCON
1641	bool "System Controller Register R/W Based on Regmap"
1642	select REGMAP_MMIO
1643	help
1644	  Select this option to enable accessing system control registers
1645	  via regmap.
1646
1647config MFD_TI_AM335X_TSCADC
1648	tristate "TI ADC / Touch Screen chip support"
1649	depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST
1650	select MFD_CORE
1651	select REGMAP
1652	select REGMAP_MMIO
1653	help
1654	  If you say yes here you get support for Texas Instruments series
1655	  of Touch Screen /ADC chips.
1656	  To compile this driver as a module, choose M here: the
1657	  module will be called ti_am335x_tscadc.
1658
1659config MFD_LP3943
1660	tristate "TI/National Semiconductor LP3943 MFD Driver"
1661	depends on I2C
1662	select MFD_CORE
1663	select REGMAP_I2C
1664	help
1665	  Support for the TI/National Semiconductor LP3943.
1666	  This driver consists of GPIO and PWM drivers.
1667	  With these functionalities, it can be used for LED string control or
1668	  general usage such like a GPIO controller and a PWM controller.
1669
1670config MFD_LP8788
1671	bool "TI LP8788 Power Management Unit Driver"
1672	depends on I2C=y
1673	select MFD_CORE
1674	select REGMAP_I2C
1675	select IRQ_DOMAIN
1676	help
1677	  TI LP8788 PMU supports regulators, battery charger, RTC,
1678	  ADC, backlight driver and current sinks.
1679
1680config MFD_TI_LMU
1681	tristate "TI Lighting Management Unit driver"
1682	depends on I2C
1683	select MFD_CORE
1684	select REGMAP_I2C
1685	help
1686	  Say yes here to enable support for TI LMU chips.
1687	  TI LMU MFD supports LM3532, LM3631, LM3632, LM3633, LM3695 and
1688	  LM36274.  It consists of backlight, LED and regulator driver.
1689	  It provides consistent device controls for lighting functions.
1690
1691config MFD_BQ257XX
1692	tristate "TI BQ257XX Buck/Boost Charge Controller"
1693	depends on I2C
1694	select MFD_CORE
1695	select REGMAP_I2C
1696	help
1697	  Support Texas Instruments BQ25703 Buck/Boost converter with
1698	  charge controller. It consists of regulators that provide
1699	  system voltage and OTG voltage, and a charger manager for
1700	  batteries containing one or more cells.
1701
1702config MFD_OMAP_USB_HOST
1703	bool "TI OMAP USBHS core and TLL driver"
1704	depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3
1705	depends on COMMON_CLK
1706	default y
1707	help
1708	  This is the core driver for the OAMP EHCI and OHCI drivers.
1709	  This MFD driver does the required setup functionalities for
1710	  OMAP USB Host drivers.
1711
1712config MFD_PALMAS
1713	tristate "TI Palmas series chips"
1714	select MFD_CORE
1715	select REGMAP_I2C
1716	select REGMAP_IRQ
1717	depends on I2C=y
1718	help
1719	  If you say yes here you get support for the Palmas
1720	  series of PMIC chips from Texas Instruments.
1721
1722config TPS6105X
1723	tristate "TI TPS61050/61052 Boost Converters"
1724	depends on I2C
1725	select REGMAP_I2C
1726	select REGULATOR
1727	select MFD_CORE
1728	select REGULATOR_FIXED_VOLTAGE
1729	help
1730	  This option enables a driver for the TP61050/TPS61052
1731	  high-power "white LED driver". This boost converter is
1732	  sometimes used for other things than white LEDs, and
1733	  also contains a GPIO pin.
1734
1735config TPS65010
1736	tristate "TI TPS6501x Power Management chips"
1737	depends on I2C && GPIOLIB
1738	default MACH_OMAP_OSK
1739	help
1740	  If you say yes here you get support for the TPS6501x series of
1741	  Power Management chips.  These include voltage regulators,
1742	  lithium ion/polymer battery charging, and other features that
1743	  are often used in portable devices like cell phones and cameras.
1744
1745	  This driver can also be built as a module.  If so, the module
1746	  will be called tps65010.
1747
1748config TPS6507X
1749	tristate "TI TPS6507x Power Management / Touch Screen chips"
1750	select MFD_CORE
1751	depends on I2C
1752	help
1753	  If you say yes here you get support for the TPS6507x series of
1754	  Power Management / Touch Screen chips.  These include voltage
1755	  regulators, lithium ion/polymer battery charging, touch screen
1756	  and other features that are often used in portable devices.
1757	  This driver can also be built as a module.  If so, the module
1758	  will be called tps6507x.
1759
1760config MFD_TPS65086
1761	tristate "TI TPS65086 Power Management Integrated Chips (PMICs)"
1762	select MFD_CORE
1763	select REGMAP
1764	select REGMAP_IRQ
1765	select REGMAP_I2C
1766	depends on I2C
1767	help
1768	  If you say yes here you get support for the TPS65086 series of
1769	  Power Management chips.
1770	  This driver provides common support for accessing the device,
1771	  additional drivers must be enabled in order to use the
1772	  functionality of the device.
1773
1774config TPS65911_COMPARATOR
1775	tristate
1776
1777config MFD_TPS65090
1778	bool "TI TPS65090 Power Management chips"
1779	depends on I2C=y
1780	select MFD_CORE
1781	select REGMAP_I2C
1782	select REGMAP_IRQ
1783	help
1784	  If you say yes here you get support for the TPS65090 series of
1785	  Power Management chips.
1786	  This driver provides common support for accessing the device,
1787	  additional drivers must be enabled in order to use the
1788	  functionality of the device.
1789
1790config MFD_TPS65217
1791	tristate "TI TPS65217 Power Management / White LED chips"
1792	depends on I2C && OF
1793	select MFD_CORE
1794	select REGMAP_I2C
1795	select IRQ_DOMAIN
1796	help
1797	  If you say yes here you get support for the TPS65217 series of
1798	  Power Management / White LED chips.
1799	  These include voltage regulators, lithium ion/polymer battery
1800	  charger, wled and other features that are often used in portable
1801	  devices.
1802
1803	  This driver can also be built as a module.  If so, the module
1804	  will be called tps65217.
1805
1806config MFD_TI_LP873X
1807	tristate "TI LP873X Power Management IC"
1808	depends on I2C
1809	select MFD_CORE
1810	select REGMAP_I2C
1811	help
1812	  If you say yes here then you get support for the LP873X series of
1813	  Power Management Integrated Circuits (PMIC).
1814	  These include voltage regulators, thermal protection, configurable
1815	  General Purpose Outputs (GPO) that are used in portable devices.
1816
1817	  This driver can also be built as a module. If so, the module
1818	  will be called lp873x.
1819
1820config MFD_TI_LP87565
1821	tristate "TI LP87565 Power Management IC"
1822	depends on I2C && OF
1823	select MFD_CORE
1824	select REGMAP_I2C
1825	help
1826	  If you say yes here then you get support for the LP87565 series of
1827	  Power Management Integrated Circuits (PMIC).
1828	  These include voltage regulators, thermal protection, configurable
1829	  General Purpose Outputs (GPO) that are used in portable devices.
1830
1831	  This driver can also be built as a module. If so, the module
1832	  will be called lp87565.
1833
1834config MFD_TPS65218
1835	tristate "TI TPS65218 Power Management chips"
1836	depends on I2C && OF
1837	select MFD_CORE
1838	select REGMAP_I2C
1839	select REGMAP_IRQ
1840	help
1841	  If you say yes here you get support for the TPS65218 series of
1842	  Power Management chips.
1843	  These include voltage regulators, gpio and other features
1844	  that are often used in portable devices.
1845
1846	  This driver can also be built as a module.  If so, the module
1847	  will be called tps65218.
1848
1849config MFD_TPS65219
1850	tristate "TI TPS65219 Power Management IC"
1851	depends on I2C && OF
1852	select MFD_CORE
1853	select REGMAP_I2C
1854	select REGMAP_IRQ
1855	help
1856	  If you say yes here you get support for the TPS65219 series of Power
1857	  Management ICs. These include voltage regulators, GPIOs and
1858	  push/power button that is often used in portable devices.
1859
1860	  This driver can also be built as a module. If so, the module
1861	  will be called tps65219.
1862
1863config MFD_TPS6586X
1864	bool "TI TPS6586x Power Management chips"
1865	depends on I2C=y
1866	select MFD_CORE
1867	select REGMAP_I2C
1868	help
1869	  If you say yes here you get support for the TPS6586X series of
1870	  Power Management chips.
1871	  This driver provides common support for accessing the device,
1872	  additional drivers must be enabled in order to use the
1873	  functionality of the device.
1874
1875	  This driver can also be built as a module.  If so, the module
1876	  will be called tps6586x.
1877
1878config MFD_TPS65910
1879	bool "TI TPS65910 Power Management chip"
1880	depends on I2C=y
1881	depends on GPIOLIB || COMPILE_TEST
1882	select MFD_CORE
1883	select REGMAP_I2C
1884	select REGMAP_IRQ
1885	select IRQ_DOMAIN
1886	help
1887	  if you say yes here you get support for the TPS65910 series of
1888	  Power Management chips.
1889
1890config MFD_TPS65912
1891	tristate
1892	select MFD_CORE
1893	select REGMAP
1894	select REGMAP_IRQ
1895
1896config MFD_TPS65912_I2C
1897	tristate "TI TPS65912 Power Management chip with I2C"
1898	select MFD_TPS65912
1899	select REGMAP_I2C
1900	depends on I2C
1901	help
1902	  If you say yes here you get support for the TPS65912 series of
1903	  PM chips with I2C interface.
1904
1905config MFD_TPS65912_SPI
1906	tristate "TI TPS65912 Power Management chip with SPI"
1907	select MFD_TPS65912
1908	select REGMAP_SPI
1909	depends on SPI_MASTER
1910	help
1911	  If you say yes here you get support for the TPS65912 series of
1912	  PM chips with SPI interface.
1913
1914config MFD_TPS6594
1915	tristate
1916	select MFD_CORE
1917	select REGMAP
1918	select REGMAP_IRQ
1919
1920config MFD_TPS6594_I2C
1921	tristate "TI TPS6594 Power Management chip with I2C"
1922	select MFD_TPS6594
1923	select REGMAP_I2C
1924	select CRC8
1925	depends on I2C
1926	help
1927	  If you say yes here you get support for the TPS6594 series of
1928	  PM chips with I2C interface.
1929
1930	  This driver can also be built as a module.  If so, the module
1931	  will be called tps6594-i2c.
1932
1933config MFD_TPS6594_SPI
1934	tristate "TI TPS6594 Power Management chip with SPI"
1935	select MFD_TPS6594
1936	select REGMAP_SPI
1937	select CRC8
1938	depends on SPI_MASTER
1939	help
1940	  If you say yes here you get support for the TPS6594 series of
1941	  PM chips with SPI interface.
1942
1943	  This driver can also be built as a module.  If so, the module
1944	  will be called tps6594-spi.
1945
1946config TWL4030_CORE
1947	bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support"
1948	depends on I2C=y
1949	select IRQ_DOMAIN
1950	select MFD_CORE
1951	select REGMAP_I2C
1952	help
1953	  Say yes here if you have TWL4030 / TWL6030 family chip on your board.
1954	  This core driver provides register access and IRQ handling
1955	  facilities, and registers devices for the various functions
1956	  so that function-specific drivers can bind to them.
1957
1958	  These multi-function chips are found on many OMAP2 and OMAP3
1959	  boards, providing power management, RTC, GPIO, keypad, a
1960	  high speed USB OTG transceiver, an audio codec (on most
1961	  versions) and many other features.
1962
1963config TWL4030_POWER
1964	bool "TI TWL4030 power resources"
1965	depends on TWL4030_CORE && ARM
1966	help
1967	  Say yes here if you want to use the power resources on the
1968	  TWL4030 family chips.  Most of these resources are regulators,
1969	  which have a separate driver; some are control signals, such
1970	  as clock request handshaking.
1971
1972	  This driver uses board-specific data to initialize the resources
1973	  and load scripts controlling which resources are switched off/on
1974	  or reset when a sleep, wakeup or warm reset event occurs.
1975
1976config MFD_TWL4030_AUDIO
1977	bool "TI TWL4030 Audio"
1978	depends on TWL4030_CORE
1979	select MFD_CORE
1980	default n
1981
1982config TWL6040_CORE
1983	bool "TI TWL6040 audio codec"
1984	depends on I2C=y
1985	select MFD_CORE
1986	select REGMAP_I2C
1987	select REGMAP_IRQ
1988	default n
1989	help
1990	  Say yes here if you want support for Texas Instruments TWL6040 audio
1991	  codec.
1992	  This driver provides common support for accessing the device,
1993	  additional drivers must be enabled in order to use the
1994	  functionality of the device (audio, vibra).
1995
1996config MENELAUS
1997	bool "TI TWL92330/Menelaus PM chip"
1998	depends on I2C=y && ARCH_OMAP2
1999	help
2000	  If you say yes here you get support for the Texas Instruments
2001	  TWL92330/Menelaus Power Management chip. This include voltage
2002	  regulators, Dual slot memory card transceivers, real-time clock
2003	  and other features that are often used in portable devices like
2004	  cell phones and PDAs.
2005
2006config MFD_LM3533
2007	tristate "TI/National Semiconductor LM3533 Lighting Power chip"
2008	depends on I2C
2009	select MFD_CORE
2010	select REGMAP_I2C
2011	help
2012	  Say yes here to enable support for National Semiconductor / TI
2013	  LM3533 Lighting Power chips.
2014
2015	  This driver provides common support for accessing the device;
2016	  additional drivers must be enabled in order to use the LED,
2017	  backlight or ambient-light-sensor functionality of the device.
2018
2019config MFD_TIMBERDALE
2020	tristate "Timberdale FPGA"
2021	select MFD_CORE
2022	depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST)
2023	help
2024	This is the core driver for the timberdale FPGA. This device is a
2025	multifunction device which exposes numerous platform devices.
2026
2027	The timberdale FPGA can be found on the Intel Atom development board
2028	for in-vehicle infotainment, called Russellville.
2029
2030config MFD_TC3589X
2031	bool "Toshiba TC35892 and variants"
2032	depends on I2C=y
2033	depends on OF
2034	select MFD_CORE
2035	help
2036	  Support for the Toshiba TC35892 and variants I/O Expander.
2037
2038	  This driver provides common support for accessing the device,
2039	  additional drivers must be enabled in order to use the
2040	  functionality of the device.
2041
2042config MFD_TQMX86
2043	tristate "TQ-Systems IO controller TQMX86"
2044	select MFD_CORE
2045	help
2046	  Say yes here to enable support for various functions of the
2047	  TQ-Systems IO controller and watchdog device, found on their
2048	  ComExpress CPU modules.
2049
2050config MFD_VX855
2051	tristate "VIA VX855/VX875 integrated south bridge"
2052	depends on PCI
2053	select MFD_CORE
2054	help
2055	  Say yes here to enable support for various functions of the
2056	  VIA VX855/VX875 south bridge. You will need to enable the vx855_spi
2057	  and/or vx855_gpio drivers for this to do anything useful.
2058
2059config MFD_ARIZONA
2060	select REGMAP
2061	select REGMAP_IRQ
2062	select MFD_CORE
2063	tristate
2064
2065config MFD_ARIZONA_I2C
2066	tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C"
2067	select MFD_ARIZONA
2068	select REGMAP_I2C
2069	depends on I2C
2070	help
2071	  Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
2072	  audio SoC core functionality controlled via I2C.
2073
2074config MFD_ARIZONA_SPI
2075	tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with SPI"
2076	select MFD_ARIZONA
2077	select REGMAP_SPI
2078	depends on SPI_MASTER
2079	help
2080	  Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
2081	  audio SoC core functionality controlled via SPI.
2082
2083config MFD_CS47L24
2084	bool "Cirrus Logic CS47L24 and WM1831"
2085	depends on MFD_ARIZONA
2086	help
2087	  Support for Cirrus Logic CS47L24 and WM1831 low power audio SoC
2088
2089config MFD_WM5102
2090	bool "Wolfson Microelectronics WM5102"
2091	depends on MFD_ARIZONA
2092	help
2093	  Support for Wolfson Microelectronics WM5102 low power audio SoC
2094
2095config MFD_WM5110
2096	bool "Wolfson Microelectronics WM5110 and WM8280/WM8281"
2097	depends on MFD_ARIZONA
2098	help
2099	  Support for Wolfson Microelectronics WM5110 and WM8280/WM8281
2100	  low power audio SoC
2101
2102config MFD_WM8997
2103	bool "Wolfson Microelectronics WM8997"
2104	depends on MFD_ARIZONA
2105	help
2106	  Support for Wolfson Microelectronics WM8997 low power audio SoC
2107
2108config MFD_WM8998
2109	bool "Wolfson Microelectronics WM8998"
2110	depends on MFD_ARIZONA
2111	help
2112	  Support for Wolfson Microelectronics WM8998 low power audio SoC
2113
2114config MFD_WM8400
2115	bool "Wolfson Microelectronics WM8400"
2116	select MFD_CORE
2117	depends on I2C=y
2118	select REGMAP_I2C
2119	help
2120	  Support for the Wolfson Microelecronics WM8400 PMIC and audio
2121	  CODEC.  This driver provides common support for accessing
2122	  the device, additional drivers must be enabled in order to use
2123	  the functionality of the device.
2124
2125config MFD_WM831X
2126	bool
2127
2128config MFD_WM831X_I2C
2129	bool "Wolfson Microelectronics WM831x/2x PMICs with I2C"
2130	select MFD_CORE
2131	select MFD_WM831X
2132	select REGMAP_I2C
2133	select IRQ_DOMAIN
2134	depends on I2C=y
2135	help
2136	  Support for the Wolfson Microelecronics WM831x and WM832x PMICs
2137	  when controlled using I2C.  This driver provides common support
2138	  for accessing the device, additional drivers must be enabled in
2139	  order to use the functionality of the device.
2140
2141config MFD_WM831X_SPI
2142	bool "Wolfson Microelectronics WM831x/2x PMICs with SPI"
2143	select MFD_CORE
2144	select MFD_WM831X
2145	select REGMAP_SPI
2146	select IRQ_DOMAIN
2147	depends on SPI_MASTER
2148	help
2149	  Support for the Wolfson Microelecronics WM831x and WM832x PMICs
2150	  when controlled using SPI.  This driver provides common support
2151	  for accessing the device, additional drivers must be enabled in
2152	  order to use the functionality of the device.
2153
2154config MFD_WM8350
2155	bool
2156
2157config MFD_WM8350_I2C
2158	bool "Wolfson Microelectronics WM8350 with I2C"
2159	select MFD_WM8350
2160	select REGMAP_I2C
2161	depends on I2C=y
2162	help
2163	  The WM8350 is an integrated audio and power management
2164	  subsystem with watchdog and RTC functionality for embedded
2165	  systems.  This option enables core support for the WM8350 with
2166	  I2C as the control interface.  Additional options must be
2167	  selected to enable support for the functionality of the chip.
2168
2169config MFD_WM8994
2170	tristate "Wolfson Microelectronics WM8994"
2171	select MFD_CORE
2172	select REGMAP_I2C
2173	select REGMAP_IRQ
2174	depends on I2C
2175	help
2176	  The WM8994 is a highly integrated hi-fi CODEC designed for
2177	  smartphone applications.  As well as audio functionality it
2178	  has on board GPIO and regulator functionality which is
2179	  supported via the relevant subsystems.  This driver provides
2180	  core support for the WM8994, in order to use the actual
2181	  functionality of the device other drivers must be enabled.
2182
2183config MFD_WM97xx
2184	tristate "Wolfson Microelectronics WM97xx"
2185	select MFD_CORE
2186	select REGMAP_AC97
2187	select AC97_BUS_COMPAT
2188	depends on AC97_BUS_NEW
2189	help
2190	  The WM9705, WM9712 and WM9713 is a highly integrated hi-fi CODEC
2191	  designed for smartphone applications.  As well as audio functionality
2192	  it has on board GPIO and a touchscreen functionality which is
2193	  supported via the relevant subsystems.  This driver provides core
2194	  support for the WM97xx, in order to use the actual functionality of
2195	  the device other drivers must be enabled.
2196
2197config MFD_STW481X
2198	tristate "Support for ST Microelectronics STw481x"
2199	depends on I2C && (ARCH_NOMADIK || COMPILE_TEST)
2200	select REGMAP_I2C
2201	select MFD_CORE
2202	help
2203	  Select this option to enable the STw481x chip driver used
2204	  in various ST Microelectronics and ST-Ericsson embedded
2205	  Nomadik series.
2206
2207config MFD_ROHM_BD718XX
2208	tristate "ROHM BD71837 Power Management IC"
2209	depends on I2C=y
2210	depends on OF
2211	select REGMAP_I2C
2212	select REGMAP_IRQ
2213	select MFD_CORE
2214	help
2215	  Select this option to get support for the ROHM BD71837
2216	  Power Management ICs. BD71837 is designed to power processors like
2217	  NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring
2218	  and emergency shut down as well as 32,768KHz clock output.
2219
2220config MFD_ROHM_BD71828
2221	tristate "ROHM BD718[15/28/79], BD72720 and BD73900 PMICs"
2222	depends on I2C=y
2223	depends on OF
2224	select REGMAP_I2C
2225	select REGMAP_IRQ
2226	select MFD_CORE
2227	help
2228	  Select this option to get support for the ROHM BD71815, BD71828,
2229	  BD71879, BD72720 and BD73900 Power Management ICs (PMICs). These are
2230	  single-chip Power Management ICs (PMIC), mainly for battery-powered
2231	  portable devices.
2232	  The BD71815 has 5 bucks, 7 LDOs, and a boost for driving LEDs.
2233	  The BD718[28/79] have 7 buck converters and 7 LDOs.
2234	  The BD72720 and the BD73900 have 10 bucks and 11 LDOs.
2235	  All ICs provide a single-cell linear charger, a Coulomb counter,
2236	  a Real-Time Clock (RTC), GPIOs and a 32.768 kHz clock gate.
2237
2238config MFD_ROHM_BD957XMUF
2239	tristate "ROHM BD9576MUF and BD9573MUF Power Management ICs"
2240	depends on I2C=y
2241	depends on OF
2242	select REGMAP_I2C
2243	select REGMAP_IRQ
2244	select MFD_CORE
2245	help
2246	  Select this option to get support for the ROHM BD9576MUF and
2247	  BD9573MUF Power Management ICs. BD9576 and BD9573 are primarily
2248	  designed to be used to power R-Car series processors.
2249
2250config MFD_ROHM_BD96801
2251	tristate "ROHM BD96801 Power Management IC"
2252	depends on I2C=y
2253	depends on OF
2254	select REGMAP_I2C
2255	select REGMAP_IRQ
2256	select MFD_CORE
2257	help
2258	  Select this option to get support for the ROHM BD96801 Power
2259	  Management IC. The ROHM BD96801 is a highly scalable Power Management
2260	  IC for industrial and automotive use. The BD96801 can be used as a
2261	  master PMIC in a chained PMIC solution with suitable companion PMICs.
2262
2263config MFD_STM32_LPTIMER
2264	tristate "Support for STM32 Low-Power Timer"
2265	depends on (ARCH_STM32 && OF) || COMPILE_TEST
2266	select MFD_CORE
2267	select REGMAP
2268	select REGMAP_MMIO
2269	help
2270	  Select this option to enable STM32 Low-Power Timer driver
2271	  used for PWM, IIO Trigger, IIO Encoder and Counter. Shared
2272	  resources are also dealt with here.
2273
2274	  To compile this driver as a module, choose M here: the
2275	  module will be called stm32-lptimer.
2276
2277config MFD_STM32_TIMERS
2278	tristate "Support for STM32 Timers"
2279	depends on (ARCH_STM32 && OF) || COMPILE_TEST
2280	select MFD_CORE
2281	select REGMAP
2282	select REGMAP_MMIO
2283	help
2284	  Select this option to enable STM32 timers driver used
2285	  for PWM and IIO Timer. This driver allow to share the
2286	  registers between the others drivers.
2287
2288config MFD_STPMIC1
2289	tristate "Support for STPMIC1 PMIC"
2290	depends on I2C=y && OF
2291	select REGMAP_I2C
2292	select REGMAP_IRQ
2293	select MFD_CORE
2294	help
2295	  Support for ST Microelectronics STPMIC1 PMIC. STPMIC1 has power on
2296	  key, watchdog and regulator functionalities which are supported via
2297	  the relevant subsystems. This driver provides core support for the
2298	  STPMIC1. In order to use the actual functionality of the device other
2299	  drivers must be enabled.
2300
2301	  To compile this driver as a module, choose M here: the
2302	  module will be called stpmic1.
2303
2304config MFD_STMFX
2305	tristate "Support for STMicroelectronics Multi-Function eXpander (STMFX)"
2306	depends on I2C
2307	depends on OF
2308	select MFD_CORE
2309	select REGMAP_I2C
2310	help
2311	  Support for the STMicroelectronics Multi-Function eXpander.
2312
2313	  This driver provides common support for accessing the device,
2314	  additional drivers must be enabled in order to use the functionality
2315	  of the device.
2316
2317config MFD_WCD934X
2318	tristate "Support for WCD9340/WCD9341 Codec"
2319	depends on SLIMBUS
2320	select REGMAP
2321	select REGMAP_SLIMBUS
2322	select REGMAP_IRQ
2323	select MFD_CORE
2324	help
2325	  Support for the Qualcomm WCD9340/WCD9341 Codec.
2326	  This driver provides common support WCD934x audio codec and its
2327	  associated Pin Controller, Soundwire Controller and Audio codec.
2328
2329config MFD_ATC260X
2330	tristate
2331	select MFD_CORE
2332	select REGMAP
2333	select REGMAP_IRQ
2334
2335config MFD_ATC260X_I2C
2336	tristate "Actions Semi ATC260x PMICs with I2C"
2337	select MFD_ATC260X
2338	select REGMAP_I2C
2339	depends on I2C
2340	help
2341	  Support for the Actions Semi ATC260x PMICs controlled via I2C.
2342
2343	  This driver provides common support for accessing the ATC2603C
2344	  and ATC2609A chip variants, additional drivers must be enabled
2345	  in order to use the functionality of the device.
2346
2347config MFD_KHADAS_MCU
2348	tristate "Support for Khadas System control Microcontroller"
2349	depends on I2C
2350	depends on ARCH_MESON || ARCH_ROCKCHIP || COMPILE_TEST
2351	select MFD_CORE
2352	select REGMAP_I2C
2353	help
2354	  Support for the Khadas System control Microcontroller interface
2355	  present on their VIM and Edge boards.
2356
2357	  This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and
2358	  Edge boards.
2359
2360	  It provides multiple boot control features like password check,
2361	  power-on options, power-off control and system FAN control on recent
2362	  boards.
2363
2364	  This driver provides common support for accessing the device,
2365	  additional drivers must be enabled in order to use the functionality
2366	  of the device.
2367
2368config MFD_ACER_A500_EC
2369	tristate "Support for Acer Iconia Tab A500 Embedded Controller"
2370	depends on I2C
2371	depends on (ARCH_TEGRA_2x_SOC && OF) || COMPILE_TEST
2372	select MFD_CORE
2373	select REGMAP
2374	help
2375	  Support for Embedded Controller found on Acer Iconia Tab A500.
2376	  The controller itself is ENE KB930, it is running firmware
2377	  customized for the specific needs of the Acer A500 hardware.
2378
2379config MFD_QCOM_PM8008
2380	tristate "QCOM PM8008 Power Management IC"
2381	depends on I2C && OF
2382	select MFD_CORE
2383	select REGMAP_I2C
2384	select REGMAP_IRQ
2385	help
2386	  Select this option to get support for the Qualcomm Technologies, Inc.
2387	  PM8008 PMIC chip. PM8008 is a dedicated camera PMIC that integrates
2388	  all the necessary power management, housekeeping, and interface
2389	  support functions into a single IC. This driver provides common
2390	  support for accessing the device by instantiating all the child nodes
2391	  under it in the device tree. Additional drivers must be enabled in
2392	  order to use the functionality of the device.
2393
2394menu "Multimedia Capabilities Port drivers"
2395	depends on ARCH_SA1100
2396
2397config MCP
2398	tristate
2399
2400# Interface drivers
2401config MCP_SA11X0
2402	tristate "Support SA11x0 MCP interface"
2403	depends on ARCH_SA1100
2404	select MCP
2405
2406# Chip drivers
2407config MCP_UCB1200
2408	tristate "Support for UCB1200 / UCB1300"
2409	depends on MCP_SA11X0
2410	select MCP
2411
2412config MCP_UCB1200_TS
2413	tristate "Touchscreen interface support"
2414	depends on MCP_UCB1200 && INPUT
2415
2416endmenu
2417
2418config MFD_VEXPRESS_SYSREG
2419	tristate "Versatile Express System Registers"
2420	depends on VEXPRESS_CONFIG && GPIOLIB
2421	default y
2422	select GPIO_GENERIC_PLATFORM
2423	select MFD_CORE
2424	select MFD_SYSCON
2425	help
2426	  System Registers are the platform configuration block
2427	  on the ARM Ltd. Versatile Express board.
2428
2429config RAVE_SP_CORE
2430	tristate "RAVE SP MCU core driver"
2431	depends on SERIAL_DEV_BUS
2432	select CRC_ITU_T
2433	help
2434	  Select this to get support for the Supervisory Processor
2435	  device found on several devices in RAVE line of hardware.
2436
2437config SGI_MFD_IOC3
2438	bool "SGI IOC3 core driver"
2439	depends on PCI && MIPS && 64BIT
2440	select MFD_CORE
2441	help
2442	  This option enables basic support for the SGI IOC3-based
2443	  controller cards.  This option does not enable any specific
2444	  functions on such a card, but provides necessary infrastructure
2445	  for other drivers to utilize.
2446
2447	  If you have an SGI Origin, Octane, or a PCI IOC3 card,
2448	  then say Y. Otherwise say N.
2449
2450config MFD_INTEL_M10_BMC_CORE
2451        tristate
2452        select MFD_CORE
2453        select REGMAP
2454        default n
2455
2456config MFD_INTEL_M10_BMC_SPI
2457        tristate "Intel MAX 10 Board Management Controller with SPI"
2458        depends on SPI_MASTER
2459        select MFD_INTEL_M10_BMC_CORE
2460        select REGMAP_SPI_AVMM
2461        help
2462          Support for the Intel MAX 10 board management controller using the
2463          SPI interface.
2464
2465          This driver provides common support for accessing the device,
2466          additional drivers must be enabled in order to use the functionality
2467          of the device.
2468
2469config MFD_INTEL_M10_BMC_PMCI
2470	tristate "Intel MAX 10 Board Management Controller with PMCI"
2471	depends on FPGA_DFL
2472	select MFD_INTEL_M10_BMC_CORE
2473	select REGMAP
2474	help
2475	  Support for the Intel MAX 10 board management controller via PMCI.
2476
2477	  This driver provides common support for accessing the device,
2478	  additional drivers must be enabled in order to use the functionality
2479	  of the device.
2480
2481config MFD_LOONGSON_SE
2482	tristate "Loongson Security Engine chip controller driver"
2483	depends on LOONGARCH && ACPI
2484	select MFD_CORE
2485	help
2486	  The Loongson Security Engine chip supports RNG, SM2, SM3 and
2487	  SM4 accelerator engines. Each engine have its own DMA buffer
2488	  provided by the controller. The kernel cannot directly send
2489	  commands to the engine and must first send them to the controller,
2490	  which will forward them to the corresponding engine.
2491
2492config MFD_LS2K_BMC_CORE
2493	bool "Loongson-2K Board Management Controller Support"
2494	depends on PCI && ACPI_GENERIC_GSI
2495	select MFD_CORE
2496	help
2497	  Say yes here to add support for the Loongson-2K BMC which is a Board
2498	  Management Controller connected to the PCIe bus. The device supports
2499	  multiple sub-devices like display and IPMI. This driver provides common
2500	  support for accessing the devices.
2501
2502	  The display is enabled by default in the driver, while the IPMI interface
2503	  is enabled independently through the IPMI_LS2K option in the IPMI section.
2504
2505config MFD_QNAP_MCU
2506	tristate "QNAP microcontroller unit core driver"
2507	depends on SERIAL_DEV_BUS
2508	select MFD_CORE
2509	help
2510	  Select this to get support for the QNAP MCU device found in
2511	  several devices of QNAP network attached storage products that
2512	  implements additional functionality for the device, like fan
2513	  and LED control.
2514
2515	  This driver implements the base serial protocol to talk to the
2516	  device and provides functions for the other parts to hook into.
2517
2518config MFD_RSMU_I2C
2519	tristate "Renesas Synchronization Management Unit with I2C"
2520	depends on I2C && OF
2521	select MFD_CORE
2522	select REGMAP_I2C
2523	help
2524	  Support for the Renesas Synchronization Management Unit, such as
2525	  Clockmatrix and 82P33XXX series. This option supports I2C as
2526	  the control interface.
2527
2528	  This driver provides common support for accessing the device.
2529	  Additional drivers must be enabled in order to use the functionality
2530	  of the device.
2531
2532config MFD_RSMU_SPI
2533	tristate "Renesas Synchronization Management Unit with SPI"
2534	depends on SPI && OF
2535	select MFD_CORE
2536	select REGMAP_SPI
2537	help
2538	  Support for the Renesas Synchronization Management Unit, such as
2539	  Clockmatrix and 82P33XXX series. This option supports SPI as
2540	  the control interface.
2541
2542	  This driver provides common support for accessing the device.
2543	  Additional drivers must be enabled in order to use the functionality
2544	  of the device.
2545
2546config MFD_UPBOARD_FPGA
2547	tristate "Support for the AAeon UP board FPGA"
2548	depends on (X86 && ACPI)
2549	select MFD_CORE
2550	help
2551	  Select this option to enable the AAEON UP and UP^2 onboard FPGA.
2552	  This is the core driver of this FPGA, which has a pin controller and a
2553	  LED controller.
2554
2555	  To compile this driver as a module, choose M here: the module will be
2556	  called upboard-fpga.
2557
2558config MFD_MAX7360
2559	tristate "Maxim MAX7360 I2C IO Expander"
2560	depends on I2C
2561	select MFD_CORE
2562	select REGMAP_I2C
2563	select REGMAP_IRQ
2564	help
2565	  Say yes here to add support for Maxim MAX7360 device, embedding
2566	  keypad, rotary encoder, PWM and GPIO features.
2567
2568	  This driver provides common support for accessing the device;
2569	  additional drivers must be enabled in order to use the functionality
2570	  of the device.
2571
2572endmenu
2573endif
2574