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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 MFD_TN48M_CPLD
411 tristate "Delta Networks TN48M switch CPLD driver"
412 depends on I2C
413 depends on ARCH_MVEBU || COMPILE_TEST
414 select MFD_SIMPLE_MFD_I2C
415 help
416 Select this option to enable support for Delta Networks TN48M switch
417 CPLD. It consists of reset and GPIO drivers. CPLD provides GPIOS-s
418 for the SFP slots as well as power supply related information.
419 SFP support depends on the GPIO driver being selected.
420
421config PMIC_DA903X
422 bool "Dialog Semiconductor DA9030/DA9034 PMIC Support"
423 depends on I2C=y
424 help
425 Say yes here to add support for Dialog Semiconductor DA9030 (a.k.a
426 ARAVA) and DA9034 (a.k.a MICCO), these are Power Management IC
427 usually found on PXA processors-based platforms. This includes
428 the I2C driver and the core APIs _only_, you have to select
429 individual components like LCD backlight, voltage regulators,
430 LEDs and battery-charger under the corresponding menus.
431
432config PMIC_DA9052
433 bool
434 select MFD_CORE
435
436config MFD_DA9052_SPI
437 bool "Dialog Semiconductor DA9052/53 PMIC variants with SPI"
438 select REGMAP_SPI
439 select REGMAP_IRQ
440 select PMIC_DA9052
441 depends on SPI_MASTER=y
442 help
443 Support for the Dialog Semiconductor DA9052 PMIC
444 when controlled using SPI. This driver provides common support
445 for accessing the device, additional drivers must be enabled in
446 order to use the functionality of the device.
447
448config MFD_DA9052_I2C
449 bool "Dialog Semiconductor DA9052/53 PMIC variants with I2C"
450 select REGMAP_I2C
451 select REGMAP_IRQ
452 select PMIC_DA9052
453 depends on I2C=y
454 help
455 Support for the Dialog Semiconductor DA9052 PMIC
456 when controlled using I2C. This driver provides common support
457 for accessing the device, additional drivers must be enabled in
458 order to use the functionality of the device.
459
460config MFD_DA9055
461 bool "Dialog Semiconductor DA9055 PMIC Support"
462 select REGMAP_I2C
463 select REGMAP_IRQ
464 select MFD_CORE
465 depends on I2C=y
466 help
467 Say yes here for support of Dialog Semiconductor DA9055. This is
468 a Power Management IC. This driver provides common support for
469 accessing the device as well as the I2C interface to the chip itself.
470 Additional drivers must be enabled in order to use the functionality
471 of the device.
472
473config MFD_DA9062
474 tristate "Dialog Semiconductor DA9062/61 PMIC Support"
475 select MFD_CORE
476 select REGMAP_I2C
477 select REGMAP_IRQ
478 depends on I2C
479 help
480 Say yes here for support for the Dialog Semiconductor DA9061 and
481 DA9062 PMICs.
482 This includes the I2C driver and core APIs.
483 Additional drivers must be enabled in order to use the functionality
484 of the device.
485
486config MFD_DA9063
487 tristate "Dialog Semiconductor DA9063 PMIC Support"
488 select MFD_CORE
489 select REGMAP_I2C
490 select REGMAP_IRQ
491 depends on I2C
492 help
493 Say yes here for support for the Dialog Semiconductor DA9063 PMIC.
494 This includes the I2C driver and core APIs.
495 Additional drivers must be enabled in order to use the functionality
496 of the device.
497
498config MFD_DA9150
499 tristate "Dialog Semiconductor DA9150 Charger Fuel-Gauge chip"
500 depends on I2C
501 select MFD_CORE
502 select REGMAP_I2C
503 select REGMAP_IRQ
504 help
505 This adds support for the DA9150 integrated charger and fuel-gauge
506 chip. This driver provides common support for accessing the device.
507 Additional drivers must be enabled in order to use the specific
508 features of the device.
509
510config MFD_DLN2
511 tristate "Diolan DLN2 support"
512 select MFD_CORE
513 depends on USB
514 help
515 This adds support for Diolan USB-I2C/SPI/GPIO Master Adapter
516 DLN-2. Additional drivers such as I2C_DLN2, GPIO_DLN2,
517 etc. must be enabled in order to use the functionality of
518 the device.
519
520config MFD_ENE_KB3930
521 tristate "ENE KB3930 Embedded Controller support"
522 depends on I2C
523 depends on MACH_MMP3_DT || COMPILE_TEST
524 select MFD_CORE
525 help
526 This adds support for the power-off functionality and access to
527 the registers that control LEDS and USB port power on ENE KB3930
528 Embedded Controller. To use the LED functionality LEDS_ARIEL must
529 be enabled.
530
531config MFD_EXYNOS_LPASS
532 tristate "Samsung Exynos SoC Low Power Audio Subsystem"
533 depends on ARCH_EXYNOS || COMPILE_TEST
534 select MFD_CORE
535 select REGMAP_MMIO
536 help
537 Select this option to enable support for Samsung Exynos Low Power
538 Audio Subsystem present on some of Samsung Exynos
539 SoCs (e.g. Exynos5433).
540 Choose Y here only if you build for such Samsung SoC.
541
542config MFD_GATEWORKS_GSC
543 tristate "Gateworks System Controller"
544 depends on I2C && OF
545 select MFD_CORE
546 select REGMAP_I2C
547 select REGMAP_IRQ
548 help
549 Enable support for the Gateworks System Controller (GSC) found
550 on Gateworks Single Board Computers supporting system functions
551 such as push-button monitor, multiple ADC's for voltage and
552 temperature monitoring, fan controller and watchdog monitor.
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
558 tristate
559 depends on SPI_MASTER || I2C
560 select MFD_CORE
561 select REGMAP_IRQ
562 help
563 Enable support for the Freescale MC13783 and MC13892 PMICs.
564 This driver provides common support for accessing the device,
565 additional drivers must be enabled in order to use the
566 functionality of the device.
567
568config MFD_MC13XXX_SPI
569 tristate "Freescale MC13783 and MC13892 SPI interface"
570 depends on SPI_MASTER
571 select REGMAP_SPI
572 select MFD_MC13XXX
573 help
574 Select this if your MC13xxx is connected via an SPI bus.
575
576config MFD_MC13XXX_I2C
577 tristate "Freescale MC13892 I2C interface"
578 depends on I2C
579 select REGMAP_I2C
580 select MFD_MC13XXX
581 help
582 Select this if your MC13xxx is connected via an I2C bus.
583
584config MFD_MP2629
585 tristate "Monolithic Power Systems MP2629 ADC and Battery charger"
586 depends on I2C
587 select REGMAP_I2C
588 select MFD_CORE
589 help
590 Select this option to enable support for Monolithic Power Systems
591 battery charger. This provides ADC, thermal and battery charger power
592 management functions.
593
594config MFD_MXS_LRADC
595 tristate "Freescale i.MX23/i.MX28 LRADC"
596 depends on ARCH_MXS || COMPILE_TEST
597 select MFD_CORE
598 select STMP_DEVICE
599 help
600 Say yes here to build support for the Low Resolution
601 Analog-to-Digital Converter (LRADC) found on the i.MX23 and i.MX28
602 processors. This driver provides common support for accessing the
603 device, additional drivers must be enabled in order to use the
604 functionality of the device:
605 mxs-lradc-adc for ADC readings
606 mxs-lradc-ts for touchscreen support
607
608 This driver can also be built as a module. If so, the module will be
609 called mxs-lradc.
610
611config MFD_MX25_TSADC
612 tristate "Freescale i.MX25 integrated Touchscreen and ADC unit"
613 select REGMAP_MMIO
614 depends on (SOC_IMX25 && OF) || COMPILE_TEST
615 help
616 Enable support for the integrated Touchscreen and ADC unit of the
617 i.MX25 processors. They consist of a conversion queue for general
618 purpose ADC and a queue for Touchscreens.
619
620config MFD_PF1550
621 tristate "NXP PF1550 PMIC Support"
622 depends on I2C=y && OF
623 select MFD_CORE
624 select REGMAP_I2C
625 select REGMAP_IRQ
626 help
627 Say yes here to add support for NXP PF1550. This is a companion Power
628 Management IC with regulators, onkey, and charger control on chip.
629 This driver provides common support for accessing the device;
630 additional drivers must be enabled in order to use the functionality
631 of the device.
632
633 This driver can also be built as a module and if so will be called
634 pf1550.
635
636config MFD_HI6421_PMIC
637 tristate "HiSilicon Hi6421 PMU/Codec IC"
638 depends on OF
639 select MFD_CORE
640 select REGMAP_MMIO
641 help
642 Add support for HiSilicon Hi6421 PMIC. Hi6421 includes multi-
643 functions, such as regulators, RTC, codec, Coulomb counter, etc.
644 This driver includes core APIs _only_. You have to select
645 individual components like voltage regulators under corresponding
646 menus in order to enable them.
647 We communicate with the Hi6421 via memory-mapped I/O.
648
649config MFD_HI6421_SPMI
650 tristate "HiSilicon Hi6421v600 SPMI PMU/Codec IC"
651 depends on OF
652 depends on SPMI
653 select MFD_CORE
654 select REGMAP_SPMI
655 help
656 Add support for HiSilicon Hi6421v600 SPMI PMIC. Hi6421 includes
657 multi-functions, such as regulators, RTC, codec, Coulomb counter,
658 etc.
659
660 This driver includes core APIs _only_. You have to select
661 individual components like voltage regulators under corresponding
662 menus in order to enable them.
663 We communicate with the Hi6421v600 via a SPMI bus.
664
665config MFD_HI655X_PMIC
666 tristate "HiSilicon Hi655X series PMU/Codec IC"
667 depends on ARCH_HISI || COMPILE_TEST
668 depends on OF
669 select MFD_CORE
670 select REGMAP_MMIO
671 select REGMAP_IRQ
672 help
673 Select this option to enable Hisilicon hi655x series pmic driver.
674
675config MFD_INTEL_QUARK_I2C_GPIO
676 tristate "Intel Quark MFD I2C GPIO"
677 depends on PCI
678 depends on X86
679 depends on COMMON_CLK
680 select MFD_CORE
681 help
682 This MFD provides support for I2C and GPIO that exist only
683 in a single PCI device. It splits the 2 IO devices to
684 their respective IO driver.
685 The GPIO exports a total amount of 8 interrupt-capable GPIOs.
686
687config LPC_ICH
688 tristate "Intel ICH LPC"
689 depends on PCI
690 select MFD_CORE
691 select P2SB if X86
692 help
693 The LPC bridge function of the Intel ICH provides support for
694 many functional units. This driver provides needed support for
695 other drivers to control these functions, currently GPIO and
696 watchdog.
697
698config LPC_SCH
699 tristate "Intel SCH LPC"
700 depends on PCI
701 select MFD_CORE
702 help
703 LPC bridge function of the Intel SCH provides support for
704 System Management Bus and General Purpose I/O.
705
706config INTEL_SOC_PMIC
707 bool "Support for Crystal Cove PMIC"
708 depends on HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK
709 depends on (X86 && ACPI) || COMPILE_TEST
710 depends on I2C_DESIGNWARE_PLATFORM=y || COMPILE_TEST
711 select MFD_CORE
712 select REGMAP_I2C
713 select REGMAP_IRQ
714 help
715 Select this option to enable support for Crystal Cove PMIC
716 on some Intel SoC systems. The PMIC provides ADC, GPIO,
717 thermal, charger and related power management functions
718 on these systems.
719
720 This option is a bool as it provides an ACPI OpRegion which must be
721 available before any devices using it are probed. This option also
722 causes the designware-i2c driver to be builtin for the same reason.
723
724config INTEL_SOC_PMIC_BXTWC
725 tristate "Support for Intel Broxton Whiskey Cove PMIC"
726 depends on MFD_INTEL_PMC_BXT
727 select MFD_CORE
728 select REGMAP_IRQ
729 help
730 Select this option to enable support for Whiskey Cove PMIC
731 on Intel Broxton systems. The PMIC provides ADC, GPIO,
732 thermal, charger and related power management functions
733 on these systems.
734
735config INTEL_SOC_PMIC_CHTWC
736 bool "Support for Intel Cherry Trail Whiskey Cove PMIC"
737 depends on ACPI && HAS_IOMEM && I2C=y && COMMON_CLK
738 depends on X86 || COMPILE_TEST
739 depends on I2C_DESIGNWARE_PLATFORM=y
740 select MFD_CORE
741 select REGMAP_I2C
742 select REGMAP_IRQ
743 help
744 Select this option to enable support for the Intel Cherry Trail
745 Whiskey Cove PMIC found on some Intel Cherry Trail systems.
746
747 This option is a bool as it provides an ACPI OpRegion which must be
748 available before any devices using it are probed. This option also
749 causes the designware-i2c driver to be builtin for the same reason.
750
751config INTEL_SOC_PMIC_CHTDC_TI
752 tristate "Support for Intel Cherry Trail Dollar Cove TI PMIC"
753 depends on GPIOLIB
754 depends on I2C=y && I2C_DESIGNWARE_PLATFORM=y
755 depends on ACPI
756 depends on X86
757 select MFD_CORE
758 select REGMAP_I2C
759 select REGMAP_IRQ
760 help
761 Select this option for supporting Dollar Cove (TI version) PMIC
762 device that is found on some Intel Cherry Trail systems.
763
764 This option is a bool as it provides an ACPI OpRegion which must be
765 available before any devices using it are probed. This option also
766 needs the designware-i2c driver to be builtin for the same reason.
767
768config INTEL_SOC_PMIC_MRFLD
769 tristate "Support for Intel Merrifield Basin Cove PMIC"
770 depends on GPIOLIB
771 depends on ACPI
772 depends on INTEL_SCU
773 select MFD_CORE
774 select REGMAP_IRQ
775 help
776 Select this option for supporting Basin Cove PMIC device
777 that is found on Intel Merrifield systems.
778
779config MFD_INTEL_LPSS
780 tristate
781 select COMMON_CLK
782 select MFD_CORE
783
784config MFD_INTEL_LPSS_ACPI
785 tristate "Intel Low Power Subsystem support in ACPI mode"
786 select MFD_INTEL_LPSS
787 depends on X86 && ACPI
788 help
789 This driver supports Intel Low Power Subsystem (LPSS) devices such as
790 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
791 PCH) in ACPI mode.
792
793config MFD_INTEL_LPSS_PCI
794 tristate "Intel Low Power Subsystem support in PCI mode"
795 select MFD_INTEL_LPSS
796 depends on X86 && PCI
797 help
798 This driver supports Intel Low Power Subsystem (LPSS) devices such as
799 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake
800 PCH) in PCI mode.
801
802config MFD_INTEL_PMC_BXT
803 tristate "Intel PMC Driver for Broxton"
804 depends on X86
805 depends on X86_PLATFORM_DEVICES
806 depends on ACPI
807 select INTEL_SCU_IPC
808 select MFD_CORE
809 help
810 This driver provides support for the PMC (Power Management
811 Controller) on Intel Broxton and Apollo Lake. The PMC is a
812 multi-function device that exposes IPC, General Control
813 Register and P-unit access. In addition this creates devices
814 for iTCO watchdog and telemetry that are part of the PMC.
815
816config MFD_IPAQ_MICRO
817 bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support"
818 depends on SA1100_H3600
819 select MFD_CORE
820 help
821 Select this to get support for the Microcontroller found in
822 the Compaq iPAQ handheld computers. This is an Atmel
823 AT90LS8535 microcontroller flashed with a special iPAQ
824 firmware using the custom protocol implemented in this driver.
825
826config MFD_IQS62X
827 tristate "Azoteq IQS620A/621/622/624/625 core support"
828 depends on I2C
829 select MFD_CORE
830 select REGMAP_I2C
831 help
832 Say Y here if you want to build core support for the Azoteq IQS620A,
833 IQS621, IQS622, IQS624 and IQS625 multi-function sensors. Additional
834 options must be selected to enable device-specific functions.
835
836 To compile this driver as a module, choose M here: the module will
837 be called iqs62x.
838
839config MFD_JANZ_CMODIO
840 tristate "Janz CMOD-IO PCI MODULbus Carrier Board"
841 select MFD_CORE
842 depends on PCI
843 help
844 This is the core driver for the Janz CMOD-IO PCI MODULbus
845 carrier board. This device is a PCI to MODULbus bridge which may
846 host many different types of MODULbus daughterboards, including
847 CAN and GPIO controllers.
848
849config MFD_KEMPLD
850 tristate "Kontron module PLD device"
851 select MFD_CORE
852 help
853 This is the core driver for the PLD (Programmable Logic Device) found
854 on some Kontron ETX and nearly all COMexpress (ETXexpress) modules as
855 well as on some other Kontron products. The PLD device may provide
856 functions like watchdog, GPIO, UART and I2C bus.
857
858 This driver can also be built as a module. If so, the module
859 will be called kempld-core.
860
861config MFD_88PM800
862 tristate "Marvell 88PM800"
863 depends on I2C
864 select REGMAP_I2C
865 select REGMAP_IRQ
866 select MFD_CORE
867 help
868 This supports for Marvell 88PM800 Power Management IC.
869 This includes the I2C driver and the core APIs _only_, you have to
870 select individual components like voltage regulators, RTC and
871 battery-charger under the corresponding menus.
872
873config MFD_88PM805
874 tristate "Marvell 88PM805"
875 depends on I2C
876 select REGMAP_I2C
877 select REGMAP_IRQ
878 select MFD_CORE
879 help
880 This supports for Marvell 88PM805 Power Management IC. This includes
881 the I2C driver and the core APIs _only_, you have to select individual
882 components like codec device, headset/Mic device under the
883 corresponding menus.
884
885config MFD_88PM860X
886 bool "Marvell 88PM8606/88PM8607"
887 depends on I2C=y
888 select REGMAP_I2C
889 select MFD_CORE
890 help
891 This supports for Marvell 88PM8606/88PM8607 Power Management IC.
892 This includes the I2C driver and the core APIs _only_, you have to
893 select individual components like voltage regulators, RTC and
894 battery-charger under the corresponding menus.
895
896config MFD_88PM886_PMIC
897 bool "Marvell 88PM886 PMIC"
898 depends on I2C=y
899 depends on OF
900 select REGMAP_I2C
901 select REGMAP_IRQ
902 select MFD_CORE
903 help
904 This enables support for Marvell 88PM886 Power Management IC.
905 This includes the I2C driver and the core APIs _only_, you have to
906 select individual components like onkey under the corresponding menus.
907
908config MFD_MAX5970
909 tristate "Maxim 5970/5978 power switch and monitor"
910 depends on I2C
911 select MFD_SIMPLE_MFD_I2C
912 help
913 This driver controls a Maxim 5970/5978 switch via I2C bus.
914 The MAX5970/5978 is a smart switch with no output regulation, but
915 fault protection and voltage and current monitoring capabilities.
916 Also it supports upto 4 indication leds.
917
918config MFD_MAX14577
919 tristate "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support"
920 depends on I2C
921 select MFD_CORE
922 select REGMAP_I2C
923 select REGMAP_IRQ
924 select IRQ_DOMAIN
925 help
926 Say yes here to add support for Maxim Semiconductor MAX14577 and
927 MAX77836 Micro-USB ICs with battery charger.
928 This driver provides common support for accessing the device;
929 additional drivers must be enabled in order to use the functionality
930 of the device.
931
932config MFD_MAX77541
933 tristate "Analog Devices MAX77541/77540 PMIC Support"
934 depends on I2C=y
935 select MFD_CORE
936 select REGMAP_I2C
937 select REGMAP_IRQ
938 help
939 Say yes here to add support for Analog Devices MAX77541 and
940 MAX77540 Power Management ICs. This driver provides
941 common support for accessing the device; additional drivers
942 must be enabled in order to use the functionality of the device.
943 There are regulators and adc.
944
945config MFD_MAX77620
946 tristate "Maxim Semiconductor MAX77620 and MAX20024 PMIC Support"
947 depends on I2C=y
948 depends on OF
949 select MFD_CORE
950 select REGMAP_I2C
951 select REGMAP_IRQ
952 select IRQ_DOMAIN
953 help
954 Say yes here to add support for Maxim Semiconductor MAX77620 and
955 MAX20024 which are Power Management IC with General purpose pins,
956 RTC, regulators, clock generator, watchdog etc. This driver
957 provides common support for accessing the device; additional drivers
958 must be enabled in order to use the functionality of the device.
959
960config MFD_MAX77650
961 tristate "Maxim MAX77650/77651 PMIC Support"
962 depends on I2C
963 depends on OF
964 select MFD_CORE
965 select REGMAP_I2C
966 select REGMAP_IRQ
967 help
968 Say Y here to add support for Maxim Semiconductor MAX77650 and
969 MAX77651 Power Management ICs. This is the core multifunction
970 driver for interacting with the device. The module name is
971 'max77650'. Additional drivers can be enabled in order to use
972 the following functionalities of the device: GPIO, regulator,
973 charger, LED, onkey.
974
975config MFD_MAX77686
976 tristate "Maxim Semiconductor MAX77686/802 PMIC Support"
977 depends on I2C
978 depends on OF
979 select MFD_CORE
980 select REGMAP_I2C
981 select REGMAP_IRQ
982 select IRQ_DOMAIN
983 help
984 Say yes here to add support for Maxim Semiconductor MAX77686 and
985 MAX77802 which are Power Management IC with an RTC on chip.
986 This driver provides common support for accessing the device;
987 additional drivers must be enabled in order to use the functionality
988 of the device.
989
990config MFD_MAX77693
991 tristate "Maxim Semiconductor MAX77693 PMIC Support"
992 depends on I2C
993 select MFD_CORE
994 select REGMAP_I2C
995 select REGMAP_IRQ
996 help
997 Say yes here to add support for Maxim Semiconductor MAX77693.
998 This is a companion Power Management IC with Flash, Haptic, Charger,
999 and MUIC(Micro USB Interface Controller) controls on chip.
1000 This driver provides common support for accessing the device;
1001 additional drivers must be enabled in order to use the functionality
1002 of the device.
1003
1004config MFD_MAX77705
1005 tristate "Maxim MAX77705 PMIC Support"
1006 depends on I2C
1007 select MFD_CORE
1008 select MFD_SIMPLE_MFD_I2C
1009 help
1010 Say yes here to add support for Maxim Integrated MAX77705 PMIC.
1011 This is a Power Management IC with Charger, safe LDOs, Flash, Haptic
1012 and MUIC controls on chip.
1013 This driver provides common support for accessing the device;
1014 additional drivers must be enabled in order to use the functionality
1015 of the device.
1016
1017config MFD_MAX77714
1018 tristate "Maxim Semiconductor MAX77714 PMIC Support"
1019 depends on I2C
1020 depends on OF
1021 select MFD_CORE
1022 select REGMAP_I2C
1023 help
1024 Say yes here to add support for Maxim Semiconductor MAX77714.
1025 This is a Power Management IC with 4 buck regulators, 9
1026 low-dropout regulators, 8 GPIOs, RTC, watchdog etc. This driver
1027 provides common support for accessing the device; additional
1028 drivers must be enabled in order to use each functionality of the
1029 device.
1030
1031config MFD_MAX77759
1032 tristate "Maxim Integrated MAX77759 PMIC"
1033 depends on I2C
1034 depends on OF
1035 select IRQ_DOMAIN
1036 select MFD_CORE
1037 select REGMAP_I2C
1038 select REGMAP_IRQ
1039 help
1040 Say yes here to add support for Maxim Integrated MAX77759.
1041 This is a companion Power Management IC for USB Type-C applications
1042 with Battery Charger, Fuel Gauge, temperature sensors, USB Type-C
1043 Port Controller (TCPC), NVMEM, and additional GPIO interfaces.
1044 This driver provides common support for accessing the device;
1045 additional drivers must be enabled in order to use the functionality
1046 of the device.
1047
1048 To compile this driver as a module, choose M here: the module will be
1049 called max77759.
1050
1051config MFD_MAX77843
1052 bool "Maxim Semiconductor MAX77843 PMIC Support"
1053 depends on I2C=y
1054 select MFD_CORE
1055 select REGMAP_I2C
1056 select REGMAP_IRQ
1057 help
1058 Say yes here to add support for Maxim Semiconductor MAX77843.
1059 This is companion Power Management IC with LEDs, Haptic, Charger,
1060 Fuel Gauge, MUIC(Micro USB Interface Controller) controls on chip.
1061 This driver provides common support for accessing the device;
1062 additional drivers must be enabled in order to use the functionality
1063 of the device.
1064
1065config MFD_MAX8907
1066 tristate "Maxim Semiconductor MAX8907 PMIC Support"
1067 select MFD_CORE
1068 depends on I2C
1069 select REGMAP_I2C
1070 select REGMAP_IRQ
1071 help
1072 Say yes here to add support for Maxim Semiconductor MAX8907. This is
1073 a Power Management IC. This driver provides common support for
1074 accessing the device; additional drivers must be enabled in order
1075 to use the functionality of the device.
1076
1077config MFD_MAX8925
1078 bool "Maxim Semiconductor MAX8925 PMIC Support"
1079 depends on I2C=y
1080 select MFD_CORE
1081 help
1082 Say yes here to add support for Maxim Semiconductor MAX8925. This is
1083 a Power Management IC. This driver provides common support for
1084 accessing the device, additional drivers must be enabled in order
1085 to use the functionality of the device.
1086
1087config MFD_MAX8997
1088 bool "Maxim Semiconductor MAX8997/8966 PMIC Support"
1089 depends on I2C=y
1090 select MFD_CORE
1091 select IRQ_DOMAIN
1092 help
1093 Say yes here to add support for Maxim Semiconductor MAX8997/8966.
1094 This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic,
1095 MUIC controls on chip.
1096 This driver provides common support for accessing the device;
1097 additional drivers must be enabled in order to use the functionality
1098 of the device.
1099
1100config MFD_MAX8998
1101 bool "Maxim Semiconductor MAX8998/National LP3974 PMIC Support"
1102 depends on I2C=y
1103 select MFD_CORE
1104 select IRQ_DOMAIN
1105 help
1106 Say yes here to add support for Maxim Semiconductor MAX8998 and
1107 National Semiconductor LP3974. This is a Power Management IC.
1108 This driver provides common support for accessing the device,
1109 additional drivers must be enabled in order to use the functionality
1110 of the device.
1111
1112config MFD_MT6360
1113 tristate "Mediatek MT6360 SubPMIC"
1114 select MFD_CORE
1115 select REGMAP_I2C
1116 select REGMAP_IRQ
1117 select CRC8
1118 depends on I2C
1119 help
1120 Say Y here to enable MT6360 PMU/PMIC/LDO functional support.
1121 PMU part includes Charger, Flashlight, RGB LED
1122 PMIC part includes 2-channel BUCKs and 2-channel LDOs
1123 LDO part includes 4-channel LDOs
1124
1125config MFD_MT6370
1126 tristate "MediaTek MT6370 SubPMIC"
1127 select MFD_CORE
1128 select REGMAP_I2C
1129 select REGMAP_IRQ
1130 depends on I2C
1131 help
1132 Say Y here to enable MT6370 SubPMIC functional support.
1133 It consists of a single cell battery charger with ADC monitoring, RGB
1134 LEDs, dual channel flashlight, WLED backlight driver, display bias
1135 voltage supply, one general purpose LDO, and the USB Type-C & PD
1136 controller complies with the latest USB Type-C and PD standards.
1137
1138 This driver can also be built as a module. If so, the module
1139 will be called "mt6370".
1140
1141config MFD_MT6397
1142 tristate "MediaTek MT6397 PMIC Support"
1143 select MFD_CORE
1144 select IRQ_DOMAIN
1145 help
1146 Say yes here to add support for MediaTek MT6397 PMIC. This is
1147 a Power Management IC. This driver provides common support for
1148 accessing the device; additional drivers must be enabled in order
1149 to use the functionality of the device.
1150
1151config MFD_MENF21BMC
1152 tristate "MEN 14F021P00 Board Management Controller Support"
1153 depends on I2C
1154 select MFD_CORE
1155 help
1156 Say yes here to add support for the MEN 14F021P00 BMC
1157 which is a Board Management Controller connected to the I2C bus.
1158 The device supports multiple sub-devices like LED, HWMON and WDT.
1159 This driver provides common support for accessing the devices;
1160 additional drivers must be enabled in order to use the
1161 functionality of the BMC device.
1162
1163 This driver can also be built as a module. If so the module
1164 will be called menf21bmc.
1165
1166config MFD_NCT6694
1167 tristate "Nuvoton NCT6694 support"
1168 select MFD_CORE
1169 depends on USB
1170 help
1171 This enables support for the Nuvoton USB device NCT6694, which shares
1172 peripherals.
1173 The Nuvoton NCT6694 is a peripheral expander with 16 GPIO chips,
1174 6 I2C controllers, 2 CANfd controllers, 2 Watchdog timers, ADC,
1175 PWM, and RTC.
1176 This driver provides core APIs to access the NCT6694 hardware
1177 monitoring and control features.
1178 Additional drivers must be enabled to utilize the specific
1179 functionalities of the device.
1180
1181config MFD_OCELOT
1182 tristate "Microsemi Ocelot External Control Support"
1183 depends on SPI_MASTER
1184 select MFD_CORE
1185 select REGMAP_SPI
1186 help
1187 Ocelot is a family of networking chips that support multiple ethernet
1188 and fibre interfaces. In addition to networking, they contain several
1189 other functions, including pinctrl, MDIO, and communication with
1190 external chips. While some chips have an internal processor capable of
1191 running an OS, others don't. All chips can be controlled externally
1192 through different interfaces, including SPI, I2C, and PCIe.
1193
1194 Say yes here to add support for Ocelot chips (VSC7511, VSC7512,
1195 VSC7513, VSC7514) controlled externally.
1196
1197 To compile this driver as a module, choose M here: the module will be
1198 called ocelot-soc.
1199
1200 If unsure, say N.
1201
1202config MFD_CPCAP
1203 tristate "Support for Motorola CPCAP"
1204 depends on SPI
1205 depends on OF
1206 select MFD_CORE
1207 select REGMAP_SPI
1208 select REGMAP_IRQ
1209 help
1210 Say yes here if you want to include driver for CPCAP.
1211 It is used on many Motorola phones and tablets as a PMIC.
1212 At least Motorola Droid 4 is known to use CPCAP.
1213
1214config MFD_VIPERBOARD
1215 tristate "Nano River Technologies Viperboard"
1216 select MFD_CORE
1217 depends on USB
1218 default n
1219 help
1220 Say yes here if you want support for Nano River Technologies
1221 Viperboard.
1222 There are mfd cell drivers available for i2c master, adc and
1223 both gpios found on the board. The spi part does not yet
1224 have a driver.
1225 You need to select the mfd cell drivers separately.
1226 The drivers do not support all features the board exposes.
1227
1228config MFD_NTXEC
1229 tristate "Netronix embedded controller (EC)"
1230 depends on OF
1231 depends on I2C
1232 select REGMAP_I2C
1233 select MFD_CORE
1234 help
1235 Say yes here if you want to support the embedded controller found in
1236 certain e-book readers designed by the original design manufacturer
1237 Netronix.
1238
1239config MFD_RETU
1240 tristate "Nokia Retu and Tahvo multi-function device"
1241 select MFD_CORE
1242 depends on I2C
1243 select REGMAP_IRQ
1244 help
1245 Retu and Tahvo are a multi-function devices found on Nokia
1246 Internet Tablets (770, N800 and N810).
1247
1248config MFD_PM8XXX
1249 tristate "Qualcomm PM8xxx PMIC chips driver"
1250 depends on ARM || HEXAGON || COMPILE_TEST
1251 select IRQ_DOMAIN_HIERARCHY
1252 select MFD_CORE
1253 select REGMAP
1254 help
1255 If you say yes to this option, support will be included for the
1256 built-in PM8xxx PMIC chips.
1257
1258 This is required if your board has a PM8xxx and uses its features,
1259 such as: MPPs, GPIOs, regulators, interrupts, and PWM.
1260
1261 Say M here if you want to include support for PM8xxx chips as a
1262 module. This will build a module called "pm8xxx-core".
1263
1264config MFD_QCOM_RPM
1265 tristate "Qualcomm Resource Power Manager (RPM)"
1266 depends on ARCH_QCOM && OF
1267 help
1268 If you say yes to this option, support will be included for the
1269 Resource Power Manager system found in the Qualcomm 8660, 8960 and
1270 8064 based devices.
1271
1272 This is required to access many regulators, clocks and bus
1273 frequencies controlled by the RPM on these devices.
1274
1275 Say M here if you want to include support for the Qualcomm RPM as a
1276 module. This will build a module called "qcom_rpm".
1277
1278config MFD_SPACEMIT_P1
1279 tristate "SpacemiT P1 PMIC"
1280 depends on ARCH_SPACEMIT || COMPILE_TEST
1281 depends on I2C
1282 select MFD_SIMPLE_MFD_I2C
1283 default m if ARCH_SPACEMIT
1284 help
1285 This option supports the I2C-based SpacemiT P1 PMIC, which
1286 contains regulators, a power switch, GPIOs, an RTC, and more.
1287 This option is selected when any of the supported sub-devices
1288 is configured. The basic functionality is implemented by the
1289 simple MFD I2C driver.
1290
1291config MFD_SPMI_PMIC
1292 tristate "Qualcomm SPMI PMICs"
1293 depends on ARCH_QCOM || COMPILE_TEST
1294 depends on OF
1295 depends on SPMI
1296 select REGMAP_SPMI
1297 help
1298 This enables support for the Qualcomm SPMI PMICs.
1299 These PMICs are currently used with the Snapdragon 800 series of
1300 SoCs. Note, that this will only be useful paired with descriptions
1301 of the independent functions as children nodes in the device tree.
1302
1303 Say M here if you want to include support for the SPMI PMIC
1304 series as a module. The module will be called "qcom-spmi-pmic".
1305
1306config MFD_SY7636A
1307 tristate "Silergy SY7636A voltage regulator"
1308 depends on I2C
1309 select MFD_SIMPLE_MFD_I2C
1310 help
1311 Enable support for Silergy SY7636A voltage regulator.
1312
1313 To enable support for building sub-devices as modules,
1314 choose M here.
1315
1316config MFD_RDC321X
1317 tristate "RDC R-321x southbridge"
1318 select MFD_CORE
1319 depends on PCI
1320 help
1321 Say yes here if you want to have support for the RDC R-321x SoC
1322 southbridge which provides access to GPIOs and Watchdog using the
1323 southbridge PCI device configuration space.
1324
1325config MFD_RT4831
1326 tristate "Richtek RT4831 four channel WLED and Display Bias Voltage"
1327 depends on I2C
1328 select MFD_CORE
1329 select REGMAP_I2C
1330 help
1331 This enables support for the Richtek RT4831 that includes 4 channel
1332 WLED driving and Display Bias Voltage. It's commonly used to provide
1333 power to the LCD display and LCD backlight.
1334
1335config MFD_RT5033
1336 tristate "Richtek RT5033 Power Management IC"
1337 depends on I2C
1338 select MFD_CORE
1339 select REGMAP_I2C
1340 select REGMAP_IRQ
1341 help
1342 This driver provides for the Richtek RT5033 Power Management IC,
1343 which includes the I2C driver and the Core APIs. This driver provides
1344 common support for accessing the device. The device supports multiple
1345 sub-devices like charger, fuel gauge, flash LED, current source,
1346 LDO and Buck.
1347
1348config MFD_RT5120
1349 tristate "Richtek RT5120 Power Management IC"
1350 depends on I2C
1351 select MFD_CORE
1352 select REGMAP_I2C
1353 select REGMAP_IRQ
1354 help
1355 The enables support for Richtek RT5120 PMIC. It includes four high
1356 efficiency buck converters and one LDO voltage regulator. The device
1357 is targeted at providing the CPU voltage, memory, I/O and peripheral
1358 power rails in home entertainment devices.
1359
1360config MFD_RC5T583
1361 bool "Ricoh RC5T583 Power Management system device"
1362 depends on I2C=y
1363 select MFD_CORE
1364 select REGMAP_I2C
1365 help
1366 Select this option to get support for the RICOH583 Power
1367 Management system device.
1368 This driver provides common support for accessing the device
1369 through i2c interface. The device supports multiple sub-devices
1370 like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey.
1371 Additional drivers must be enabled in order to use the
1372 different functionality of the device.
1373
1374config MFD_RK8XX
1375 tristate
1376 select MFD_CORE
1377
1378config MFD_RK8XX_I2C
1379 tristate "Rockchip RK8xx Power Management Chips"
1380 depends on I2C && OF
1381 select MFD_CORE
1382 select REGMAP_I2C
1383 select REGMAP_IRQ
1384 select MFD_RK8XX
1385 help
1386 If you say yes here you get support for the RK801, RK805, RK808,
1387 RK809, RK816, RK817 and RK818 Power Management chips.
1388 This driver provides common support for accessing the device
1389 through I2C interface. The device supports multiple sub-devices
1390 including interrupts, RTC, LDO & DCDC regulators, and onkey.
1391
1392config MFD_RK8XX_SPI
1393 tristate "Rockchip RK806 Power Management Chip"
1394 depends on SPI && OF
1395 select MFD_CORE
1396 select REGMAP_SPI
1397 select REGMAP_IRQ
1398 select MFD_RK8XX
1399 help
1400 If you say yes here you get support for the RK806 Power Management
1401 chip.
1402 This driver provides common support for accessing the device
1403 through an SPI interface. The device supports multiple sub-devices
1404 including interrupts, LDO & DCDC regulators, and power on-key.
1405
1406config MFD_RN5T618
1407 tristate "Ricoh RN5T567/618 PMIC"
1408 depends on I2C
1409 depends on OF
1410 select MFD_CORE
1411 select REGMAP_I2C
1412 select REGMAP_IRQ
1413 help
1414 Say yes here to add support for the Ricoh RN5T567,
1415 RN5T618, RC5T619 PMIC.
1416 This driver provides common support for accessing the device,
1417 additional drivers must be enabled in order to use the
1418 functionality of the device.
1419
1420config MFD_SEC_CORE
1421 tristate
1422 select MFD_CORE
1423 select REGMAP_IRQ
1424
1425config MFD_SEC_ACPM
1426 tristate "Samsung Electronics S2MPG1x PMICs"
1427 depends on EXYNOS_ACPM_PROTOCOL
1428 depends on OF
1429 select MFD_SEC_CORE
1430 help
1431 Support for the Samsung Electronics PMICs with ACPM interface.
1432 This is a Power Management IC for mobile applications with buck
1433 converters, various LDOs, power meters, RTC, clock outputs, and
1434 additional GPIOs interfaces.
1435 This driver provides common support for accessing the device;
1436 additional drivers must be enabled in order to use the functionality
1437 of the device.
1438
1439 To compile this driver as a module, choose M here: the module will be
1440 called sec-acpm.
1441
1442config MFD_SEC_I2C
1443 tristate "Samsung Electronics S2MPA/S2MPS1X/S2MPU/S5M series PMICs"
1444 depends on I2C=y
1445 depends on OF
1446 select MFD_SEC_CORE
1447 select REGMAP_I2C
1448 help
1449 Support for the Samsung Electronics PMIC devices with I2C interface
1450 coming usually along with Samsung Exynos SoC chipset.
1451 This driver provides common support for accessing the device,
1452 additional drivers must be enabled in order to use the functionality
1453 of the device.
1454
1455 To compile this driver as a module, choose M here: the
1456 module will be called sec-i2c.
1457 Have in mind that important core drivers (like regulators) depend
1458 on this driver so building this as a module might require proper
1459 initial ramdisk or might not boot up as well in certain scenarios.
1460
1461config MFD_SI476X_CORE
1462 tristate "Silicon Laboratories 4761/64/68 AM/FM radio."
1463 depends on I2C
1464 select MFD_CORE
1465 select REGMAP_I2C
1466 help
1467 This is the core driver for the SI476x series of AM/FM
1468 radio. This MFD driver connects the radio-si476x V4L2 module
1469 and the si476x audio codec.
1470
1471 To compile this driver as a module, choose M here: the
1472 module will be called si476x-core.
1473
1474config MFD_SIMPLE_MFD_I2C
1475 tristate
1476 depends on I2C
1477 select MFD_CORE
1478 select REGMAP_I2C
1479 help
1480 This driver creates a single register map with the intention for it
1481 to be shared by all sub-devices.
1482
1483 Once the register map has been successfully initialised, any
1484 sub-devices represented by child nodes in Device Tree will be
1485 subsequently registered.
1486
1487config MFD_SL28CPLD
1488 tristate "Kontron sl28cpld Board Management Controller"
1489 depends on I2C
1490 depends on ARCH_LAYERSCAPE || COMPILE_TEST
1491 select MFD_SIMPLE_MFD_I2C
1492 help
1493 Say yes here to enable support for the Kontron sl28cpld board
1494 management controller.
1495
1496 It can be found on the following boards:
1497 * SMARC-sAL28
1498
1499config MFD_SM501
1500 tristate "Silicon Motion SM501"
1501 depends on HAS_DMA
1502 help
1503 This is the core driver for the Silicon Motion SM501 multimedia
1504 companion chip. This device is a multifunction device which may
1505 provide numerous interfaces including USB host controller, USB gadget,
1506 asynchronous serial ports, audio functions, and a dual display video
1507 interface. The device may be connected by PCI or local bus with
1508 varying functions enabled.
1509
1510config MFD_SM501_GPIO
1511 bool "Export GPIO via GPIO layer"
1512 depends on MFD_SM501 && GPIOLIB
1513 help
1514 This option uses the gpio library layer to export the 64 GPIO
1515 lines on the SM501. The platform data is used to supply the
1516 base number for the first GPIO line to register.
1517
1518config MFD_SKY81452
1519 tristate "Skyworks Solutions SKY81452"
1520 select MFD_CORE
1521 select REGMAP_I2C
1522 depends on I2C
1523 help
1524 This is the core driver for the Skyworks SKY81452 backlight and
1525 voltage regulator device.
1526
1527 This driver can also be built as a module. If so, the module
1528 will be called sky81452.
1529
1530config MFD_SC27XX_PMIC
1531 tristate "Spreadtrum SC27xx PMICs"
1532 depends on ARCH_SPRD || COMPILE_TEST
1533 depends on SPI_MASTER
1534 select MFD_CORE
1535 select REGMAP_SPI
1536 select REGMAP_IRQ
1537 help
1538 This enables support for the Spreadtrum SC27xx PMICs with SPI
1539 interface. The SC27xx series PMICs integrate power management,
1540 audio codec, battery management and user interface support
1541 function (such as RTC, Typec, indicator and so on) in a single chip.
1542
1543 This driver provides common support for accessing the SC27xx PMICs,
1544 and it also adds the irq_chip parts for handling the PMIC chip events.
1545
1546config RZ_MTU3
1547 tristate "Renesas RZ/G2L MTU3a core driver"
1548 depends on (ARCH_RZG2L && OF) || COMPILE_TEST
1549 select MFD_CORE
1550 help
1551 Select this option to enable Renesas RZ/G2L MTU3a core driver for
1552 the Multi-Function Timer Pulse Unit 3 (MTU3a) hardware available
1553 on SoCs from Renesas. The core driver shares the clk and channel
1554 register access for the other child devices like Counter, PWM,
1555 Clock Source, and Clock event.
1556
1557config ABX500_CORE
1558 bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions"
1559 depends on ARCH_U8500 || COMPILE_TEST
1560 default y if ARCH_U8500
1561 help
1562 Say yes here if you have the ABX500 Mixed Signal IC family
1563 chips. This core driver expose register access functions.
1564 Functionality specific drivers using these functions can
1565 remain unchanged when IC changes. Binding of the functions to
1566 actual register access is done by the IC core driver.
1567
1568config AB8500_CORE
1569 bool "ST-Ericsson AB8500 Mixed Signal Power Management chip"
1570 depends on ABX500_CORE && MFD_DB8500_PRCMU
1571 select POWER_SUPPLY
1572 select MFD_CORE
1573 select IRQ_DOMAIN
1574 help
1575 Select this option to enable access to AB8500 power management
1576 chip. This connects to U8500 either on the SSP/SPI bus (deprecated
1577 since hardware version v1.0) or the I2C bus via PRCMU. It also adds
1578 the irq_chip parts for handling the Mixed Signal chip events.
1579 This chip embeds various other multimedia functionalities as well.
1580
1581config MFD_DB8500_PRCMU
1582 bool "ST-Ericsson DB8500 Power Reset Control Management Unit"
1583 depends on UX500_SOC_DB8500
1584 select MFD_CORE
1585 help
1586 Select this option to enable support for the DB8500 Power Reset
1587 and Control Management Unit. This is basically an autonomous
1588 system controller running an XP70 microprocessor, which is accessed
1589 through a register map.
1590
1591config MFD_STMPE
1592 tristate "STMicroelectronics STMPE"
1593 depends on I2C || SPI_MASTER
1594 depends on OF
1595 select MFD_CORE
1596 help
1597 Support for the STMPE family of I/O Expanders from
1598 STMicroelectronics.
1599
1600 Currently supported devices are:
1601
1602 STMPE811: GPIO, Touchscreen, ADC
1603 STMPE1601: GPIO, Keypad
1604 STMPE1801: GPIO, Keypad
1605 STMPE2401: GPIO, Keypad
1606 STMPE2403: GPIO, Keypad
1607
1608 This driver provides common support for accessing the device,
1609 additional drivers must be enabled in order to use the functionality
1610 of the device. Currently available sub drivers are:
1611
1612 GPIO: stmpe-gpio
1613 Keypad: stmpe-keypad
1614 Touchscreen: stmpe-ts
1615 ADC: stmpe-adc
1616
1617menu "STMicroelectronics STMPE Interface Drivers"
1618depends on MFD_STMPE
1619
1620config STMPE_I2C
1621 tristate "STMicroelectronics STMPE I2C Interface"
1622 depends on I2C
1623 default y
1624 help
1625 This is used to enable I2C interface of STMPE
1626
1627config STMPE_SPI
1628 tristate "STMicroelectronics STMPE SPI Interface"
1629 depends on SPI_MASTER
1630 help
1631 This is used to enable SPI interface of STMPE
1632endmenu
1633
1634config MFD_SUN6I_PRCM
1635 bool "Allwinner A31/A23/A33 PRCM controller"
1636 depends on ARCH_SUNXI || COMPILE_TEST
1637 select MFD_CORE
1638 help
1639 Support for the PRCM (Power/Reset/Clock Management) unit available
1640 in the A31, A23, and A33 SoCs. Other Allwinner SoCs contain similar
1641 hardware, but they do not use this driver.
1642
1643config MFD_SYSCON
1644 bool "System Controller Register R/W Based on Regmap"
1645 select REGMAP_MMIO
1646 help
1647 Select this option to enable accessing system control registers
1648 via regmap.
1649
1650config MFD_TI_AM335X_TSCADC
1651 tristate "TI ADC / Touch Screen chip support"
1652 depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST
1653 select MFD_CORE
1654 select REGMAP
1655 select REGMAP_MMIO
1656 help
1657 If you say yes here you get support for Texas Instruments series
1658 of Touch Screen /ADC chips.
1659 To compile this driver as a module, choose M here: the
1660 module will be called ti_am335x_tscadc.
1661
1662config MFD_LP3943
1663 tristate "TI/National Semiconductor LP3943 MFD Driver"
1664 depends on I2C
1665 select MFD_CORE
1666 select REGMAP_I2C
1667 help
1668 Support for the TI/National Semiconductor LP3943.
1669 This driver consists of GPIO and PWM drivers.
1670 With these functionalities, it can be used for LED string control or
1671 general usage such like a GPIO controller and a PWM controller.
1672
1673config MFD_LP8788
1674 bool "TI LP8788 Power Management Unit Driver"
1675 depends on I2C=y
1676 select MFD_CORE
1677 select REGMAP_I2C
1678 select IRQ_DOMAIN
1679 help
1680 TI LP8788 PMU supports regulators, battery charger, RTC,
1681 ADC, backlight driver and current sinks.
1682
1683config MFD_TI_LMU
1684 tristate "TI Lighting Management Unit driver"
1685 depends on I2C
1686 select MFD_CORE
1687 select REGMAP_I2C
1688 help
1689 Say yes here to enable support for TI LMU chips.
1690 TI LMU MFD supports LM3532, LM3631, LM3632, LM3633, LM3695 and
1691 LM36274. It consists of backlight, LED and regulator driver.
1692 It provides consistent device controls for lighting functions.
1693
1694config MFD_BQ257XX
1695 tristate "TI BQ257XX Buck/Boost Charge Controller"
1696 depends on I2C
1697 select MFD_CORE
1698 select REGMAP_I2C
1699 help
1700 Support Texas Instruments BQ25703 Buck/Boost converter with
1701 charge controller. It consists of regulators that provide
1702 system voltage and OTG voltage, and a charger manager for
1703 batteries containing one or more cells.
1704
1705config MFD_OMAP_USB_HOST
1706 bool "TI OMAP USBHS core and TLL driver"
1707 depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3
1708 depends on COMMON_CLK
1709 default y
1710 help
1711 This is the core driver for the OAMP EHCI and OHCI drivers.
1712 This MFD driver does the required setup functionalities for
1713 OMAP USB Host drivers.
1714
1715config MFD_PALMAS
1716 tristate "TI Palmas series chips"
1717 select MFD_CORE
1718 select REGMAP_I2C
1719 select REGMAP_IRQ
1720 depends on I2C=y
1721 help
1722 If you say yes here you get support for the Palmas
1723 series of PMIC chips from Texas Instruments.
1724
1725config TPS6105X
1726 tristate "TI TPS61050/61052 Boost Converters"
1727 depends on I2C
1728 select REGMAP_I2C
1729 select REGULATOR
1730 select MFD_CORE
1731 select REGULATOR_FIXED_VOLTAGE
1732 help
1733 This option enables a driver for the TP61050/TPS61052
1734 high-power "white LED driver". This boost converter is
1735 sometimes used for other things than white LEDs, and
1736 also contains a GPIO pin.
1737
1738config TPS65010
1739 tristate "TI TPS6501x Power Management chips"
1740 depends on I2C && GPIOLIB
1741 default MACH_OMAP_OSK
1742 help
1743 If you say yes here you get support for the TPS6501x series of
1744 Power Management chips. These include voltage regulators,
1745 lithium ion/polymer battery charging, and other features that
1746 are often used in portable devices like cell phones and cameras.
1747
1748 This driver can also be built as a module. If so, the module
1749 will be called tps65010.
1750
1751config TPS6507X
1752 tristate "TI TPS6507x Power Management / Touch Screen chips"
1753 select MFD_CORE
1754 depends on I2C
1755 help
1756 If you say yes here you get support for the TPS6507x series of
1757 Power Management / Touch Screen chips. These include voltage
1758 regulators, lithium ion/polymer battery charging, touch screen
1759 and other features that are often used in portable devices.
1760 This driver can also be built as a module. If so, the module
1761 will be called tps6507x.
1762
1763config MFD_TPS65086
1764 tristate "TI TPS65086 Power Management Integrated Chips (PMICs)"
1765 select MFD_CORE
1766 select REGMAP
1767 select REGMAP_IRQ
1768 select REGMAP_I2C
1769 depends on I2C
1770 help
1771 If you say yes here you get support for the TPS65086 series of
1772 Power Management chips.
1773 This driver provides common support for accessing the device,
1774 additional drivers must be enabled in order to use the
1775 functionality of the device.
1776
1777config TPS65911_COMPARATOR
1778 tristate
1779
1780config MFD_TPS65090
1781 bool "TI TPS65090 Power Management chips"
1782 depends on I2C=y
1783 select MFD_CORE
1784 select REGMAP_I2C
1785 select REGMAP_IRQ
1786 help
1787 If you say yes here you get support for the TPS65090 series of
1788 Power Management chips.
1789 This driver provides common support for accessing the device,
1790 additional drivers must be enabled in order to use the
1791 functionality of the device.
1792
1793config MFD_TPS65217
1794 tristate "TI TPS65217 Power Management / White LED chips"
1795 depends on I2C && OF
1796 select MFD_CORE
1797 select REGMAP_I2C
1798 select IRQ_DOMAIN
1799 help
1800 If you say yes here you get support for the TPS65217 series of
1801 Power Management / White LED chips.
1802 These include voltage regulators, lithium ion/polymer battery
1803 charger, wled and other features that are often used in portable
1804 devices.
1805
1806 This driver can also be built as a module. If so, the module
1807 will be called tps65217.
1808
1809config MFD_TI_LP873X
1810 tristate "TI LP873X Power Management IC"
1811 depends on I2C
1812 select MFD_CORE
1813 select REGMAP_I2C
1814 help
1815 If you say yes here then you get support for the LP873X series of
1816 Power Management Integrated Circuits (PMIC).
1817 These include voltage regulators, thermal protection, configurable
1818 General Purpose Outputs (GPO) that are used in portable devices.
1819
1820 This driver can also be built as a module. If so, the module
1821 will be called lp873x.
1822
1823config MFD_TI_LP87565
1824 tristate "TI LP87565 Power Management IC"
1825 depends on I2C && OF
1826 select MFD_CORE
1827 select REGMAP_I2C
1828 help
1829 If you say yes here then you get support for the LP87565 series of
1830 Power Management Integrated Circuits (PMIC).
1831 These include voltage regulators, thermal protection, configurable
1832 General Purpose Outputs (GPO) that are used in portable devices.
1833
1834 This driver can also be built as a module. If so, the module
1835 will be called lp87565.
1836
1837config MFD_TPS65218
1838 tristate "TI TPS65218 Power Management chips"
1839 depends on I2C && OF
1840 select MFD_CORE
1841 select REGMAP_I2C
1842 select REGMAP_IRQ
1843 help
1844 If you say yes here you get support for the TPS65218 series of
1845 Power Management chips.
1846 These include voltage regulators, gpio and other features
1847 that are often used in portable devices.
1848
1849 This driver can also be built as a module. If so, the module
1850 will be called tps65218.
1851
1852config MFD_TPS65219
1853 tristate "TI TPS65219 Power Management IC"
1854 depends on I2C && OF
1855 select MFD_CORE
1856 select REGMAP_I2C
1857 select REGMAP_IRQ
1858 help
1859 If you say yes here you get support for the TPS65219 series of Power
1860 Management ICs. These include voltage regulators, GPIOs and
1861 push/power button that is often used in portable devices.
1862
1863 This driver can also be built as a module. If so, the module
1864 will be called tps65219.
1865
1866config MFD_TPS6586X
1867 bool "TI TPS6586x Power Management chips"
1868 depends on I2C=y
1869 select MFD_CORE
1870 select REGMAP_I2C
1871 help
1872 If you say yes here you get support for the TPS6586X series of
1873 Power Management chips.
1874 This driver provides common support for accessing the device,
1875 additional drivers must be enabled in order to use the
1876 functionality of the device.
1877
1878 This driver can also be built as a module. If so, the module
1879 will be called tps6586x.
1880
1881config MFD_TPS65910
1882 bool "TI TPS65910 Power Management chip"
1883 depends on I2C=y
1884 depends on GPIOLIB || COMPILE_TEST
1885 select MFD_CORE
1886 select REGMAP_I2C
1887 select REGMAP_IRQ
1888 select IRQ_DOMAIN
1889 help
1890 if you say yes here you get support for the TPS65910 series of
1891 Power Management chips.
1892
1893config MFD_TPS65912
1894 tristate
1895 select MFD_CORE
1896 select REGMAP
1897 select REGMAP_IRQ
1898
1899config MFD_TPS65912_I2C
1900 tristate "TI TPS65912 Power Management chip with I2C"
1901 select MFD_TPS65912
1902 select REGMAP_I2C
1903 depends on I2C
1904 help
1905 If you say yes here you get support for the TPS65912 series of
1906 PM chips with I2C interface.
1907
1908config MFD_TPS65912_SPI
1909 tristate "TI TPS65912 Power Management chip with SPI"
1910 select MFD_TPS65912
1911 select REGMAP_SPI
1912 depends on SPI_MASTER
1913 help
1914 If you say yes here you get support for the TPS65912 series of
1915 PM chips with SPI interface.
1916
1917config MFD_TPS6594
1918 tristate
1919 select MFD_CORE
1920 select REGMAP
1921 select REGMAP_IRQ
1922
1923config MFD_TPS6594_I2C
1924 tristate "TI TPS6594 Power Management chip with I2C"
1925 select MFD_TPS6594
1926 select REGMAP_I2C
1927 select CRC8
1928 depends on I2C
1929 help
1930 If you say yes here you get support for the TPS6594 series of
1931 PM chips with I2C interface.
1932
1933 This driver can also be built as a module. If so, the module
1934 will be called tps6594-i2c.
1935
1936config MFD_TPS6594_SPI
1937 tristate "TI TPS6594 Power Management chip with SPI"
1938 select MFD_TPS6594
1939 select REGMAP_SPI
1940 select CRC8
1941 depends on SPI_MASTER
1942 help
1943 If you say yes here you get support for the TPS6594 series of
1944 PM chips with SPI interface.
1945
1946 This driver can also be built as a module. If so, the module
1947 will be called tps6594-spi.
1948
1949config TWL4030_CORE
1950 bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support"
1951 depends on I2C=y
1952 select IRQ_DOMAIN
1953 select MFD_CORE
1954 select REGMAP_I2C
1955 help
1956 Say yes here if you have TWL4030 / TWL6030 family chip on your board.
1957 This core driver provides register access and IRQ handling
1958 facilities, and registers devices for the various functions
1959 so that function-specific drivers can bind to them.
1960
1961 These multi-function chips are found on many OMAP2 and OMAP3
1962 boards, providing power management, RTC, GPIO, keypad, a
1963 high speed USB OTG transceiver, an audio codec (on most
1964 versions) and many other features.
1965
1966config TWL4030_POWER
1967 bool "TI TWL4030 power resources"
1968 depends on TWL4030_CORE && ARM
1969 help
1970 Say yes here if you want to use the power resources on the
1971 TWL4030 family chips. Most of these resources are regulators,
1972 which have a separate driver; some are control signals, such
1973 as clock request handshaking.
1974
1975 This driver uses board-specific data to initialize the resources
1976 and load scripts controlling which resources are switched off/on
1977 or reset when a sleep, wakeup or warm reset event occurs.
1978
1979config MFD_TWL4030_AUDIO
1980 bool "TI TWL4030 Audio"
1981 depends on TWL4030_CORE
1982 select MFD_CORE
1983 default n
1984
1985config TWL6040_CORE
1986 bool "TI TWL6040 audio codec"
1987 depends on I2C=y
1988 select MFD_CORE
1989 select REGMAP_I2C
1990 select REGMAP_IRQ
1991 default n
1992 help
1993 Say yes here if you want support for Texas Instruments TWL6040 audio
1994 codec.
1995 This driver provides common support for accessing the device,
1996 additional drivers must be enabled in order to use the
1997 functionality of the device (audio, vibra).
1998
1999config MENELAUS
2000 bool "TI TWL92330/Menelaus PM chip"
2001 depends on I2C=y && ARCH_OMAP2
2002 help
2003 If you say yes here you get support for the Texas Instruments
2004 TWL92330/Menelaus Power Management chip. This include voltage
2005 regulators, Dual slot memory card transceivers, real-time clock
2006 and other features that are often used in portable devices like
2007 cell phones and PDAs.
2008
2009config MFD_LM3533
2010 tristate "TI/National Semiconductor LM3533 Lighting Power chip"
2011 depends on I2C
2012 select MFD_CORE
2013 select REGMAP_I2C
2014 help
2015 Say yes here to enable support for National Semiconductor / TI
2016 LM3533 Lighting Power chips.
2017
2018 This driver provides common support for accessing the device;
2019 additional drivers must be enabled in order to use the LED,
2020 backlight or ambient-light-sensor functionality of the device.
2021
2022config MFD_TIMBERDALE
2023 tristate "Timberdale FPGA"
2024 select MFD_CORE
2025 depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST)
2026 help
2027 This is the core driver for the timberdale FPGA. This device is a
2028 multifunction device which exposes numerous platform devices.
2029
2030 The timberdale FPGA can be found on the Intel Atom development board
2031 for in-vehicle infotainment, called Russellville.
2032
2033config MFD_TC3589X
2034 bool "Toshiba TC35892 and variants"
2035 depends on I2C=y
2036 depends on OF
2037 select MFD_CORE
2038 help
2039 Support for the Toshiba TC35892 and variants I/O Expander.
2040
2041 This driver provides common support for accessing the device,
2042 additional drivers must be enabled in order to use the
2043 functionality of the device.
2044
2045config MFD_TQMX86
2046 tristate "TQ-Systems IO controller TQMX86"
2047 select MFD_CORE
2048 help
2049 Say yes here to enable support for various functions of the
2050 TQ-Systems IO controller and watchdog device, found on their
2051 ComExpress CPU modules.
2052
2053config MFD_VX855
2054 tristate "VIA VX855/VX875 integrated south bridge"
2055 depends on PCI
2056 select MFD_CORE
2057 help
2058 Say yes here to enable support for various functions of the
2059 VIA VX855/VX875 south bridge. You will need to enable the vx855_spi
2060 and/or vx855_gpio drivers for this to do anything useful.
2061
2062config MFD_ARIZONA
2063 select REGMAP
2064 select REGMAP_IRQ
2065 select MFD_CORE
2066 tristate
2067
2068config MFD_ARIZONA_I2C
2069 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C"
2070 select MFD_ARIZONA
2071 select REGMAP_I2C
2072 depends on I2C
2073 help
2074 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
2075 audio SoC core functionality controlled via I2C.
2076
2077config MFD_ARIZONA_SPI
2078 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with SPI"
2079 select MFD_ARIZONA
2080 select REGMAP_SPI
2081 depends on SPI_MASTER
2082 help
2083 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform
2084 audio SoC core functionality controlled via SPI.
2085
2086config MFD_CS47L24
2087 bool "Cirrus Logic CS47L24 and WM1831"
2088 depends on MFD_ARIZONA
2089 help
2090 Support for Cirrus Logic CS47L24 and WM1831 low power audio SoC
2091
2092config MFD_WM5102
2093 bool "Wolfson Microelectronics WM5102"
2094 depends on MFD_ARIZONA
2095 help
2096 Support for Wolfson Microelectronics WM5102 low power audio SoC
2097
2098config MFD_WM5110
2099 bool "Wolfson Microelectronics WM5110 and WM8280/WM8281"
2100 depends on MFD_ARIZONA
2101 help
2102 Support for Wolfson Microelectronics WM5110 and WM8280/WM8281
2103 low power audio SoC
2104
2105config MFD_WM8997
2106 bool "Wolfson Microelectronics WM8997"
2107 depends on MFD_ARIZONA
2108 help
2109 Support for Wolfson Microelectronics WM8997 low power audio SoC
2110
2111config MFD_WM8998
2112 bool "Wolfson Microelectronics WM8998"
2113 depends on MFD_ARIZONA
2114 help
2115 Support for Wolfson Microelectronics WM8998 low power audio SoC
2116
2117config MFD_WM8400
2118 bool "Wolfson Microelectronics WM8400"
2119 select MFD_CORE
2120 depends on I2C=y
2121 select REGMAP_I2C
2122 help
2123 Support for the Wolfson Microelecronics WM8400 PMIC and audio
2124 CODEC. This driver provides common support for accessing
2125 the device, additional drivers must be enabled in order to use
2126 the functionality of the device.
2127
2128config MFD_WM831X
2129 bool
2130
2131config MFD_WM831X_I2C
2132 bool "Wolfson Microelectronics WM831x/2x PMICs with I2C"
2133 select MFD_CORE
2134 select MFD_WM831X
2135 select REGMAP_I2C
2136 select IRQ_DOMAIN
2137 depends on I2C=y
2138 help
2139 Support for the Wolfson Microelecronics WM831x and WM832x PMICs
2140 when controlled using I2C. This driver provides common support
2141 for accessing the device, additional drivers must be enabled in
2142 order to use the functionality of the device.
2143
2144config MFD_WM831X_SPI
2145 bool "Wolfson Microelectronics WM831x/2x PMICs with SPI"
2146 select MFD_CORE
2147 select MFD_WM831X
2148 select REGMAP_SPI
2149 select IRQ_DOMAIN
2150 depends on SPI_MASTER
2151 help
2152 Support for the Wolfson Microelecronics WM831x and WM832x PMICs
2153 when controlled using SPI. This driver provides common support
2154 for accessing the device, additional drivers must be enabled in
2155 order to use the functionality of the device.
2156
2157config MFD_WM8350
2158 bool
2159
2160config MFD_WM8350_I2C
2161 bool "Wolfson Microelectronics WM8350 with I2C"
2162 select MFD_WM8350
2163 select REGMAP_I2C
2164 depends on I2C=y
2165 help
2166 The WM8350 is an integrated audio and power management
2167 subsystem with watchdog and RTC functionality for embedded
2168 systems. This option enables core support for the WM8350 with
2169 I2C as the control interface. Additional options must be
2170 selected to enable support for the functionality of the chip.
2171
2172config MFD_WM8994
2173 tristate "Wolfson Microelectronics WM8994"
2174 select MFD_CORE
2175 select REGMAP_I2C
2176 select REGMAP_IRQ
2177 depends on I2C
2178 help
2179 The WM8994 is a highly integrated hi-fi CODEC designed for
2180 smartphone applications. As well as audio functionality it
2181 has on board GPIO and regulator functionality which is
2182 supported via the relevant subsystems. This driver provides
2183 core support for the WM8994, in order to use the actual
2184 functionality of the device other drivers must be enabled.
2185
2186config MFD_WM97xx
2187 tristate "Wolfson Microelectronics WM97xx"
2188 select MFD_CORE
2189 select REGMAP_AC97
2190 select AC97_BUS_COMPAT
2191 depends on AC97_BUS_NEW
2192 help
2193 The WM9705, WM9712 and WM9713 is a highly integrated hi-fi CODEC
2194 designed for smartphone applications. As well as audio functionality
2195 it has on board GPIO and a touchscreen functionality which is
2196 supported via the relevant subsystems. This driver provides core
2197 support for the WM97xx, in order to use the actual functionality of
2198 the device other drivers must be enabled.
2199
2200config MFD_STW481X
2201 tristate "Support for ST Microelectronics STw481x"
2202 depends on I2C && (ARCH_NOMADIK || COMPILE_TEST)
2203 select REGMAP_I2C
2204 select MFD_CORE
2205 help
2206 Select this option to enable the STw481x chip driver used
2207 in various ST Microelectronics and ST-Ericsson embedded
2208 Nomadik series.
2209
2210config MFD_ROHM_PWRBUTTON
2211 tristate
2212 select MFD_CORE
2213
2214config MFD_ROHM_BD718XX
2215 tristate "ROHM BD71837 Power Management IC"
2216 depends on I2C=y
2217 depends on OF
2218 select REGMAP_I2C
2219 select REGMAP_IRQ
2220 select MFD_CORE
2221 select MFD_ROHM_PWRBUTTON
2222 help
2223 Select this option to get support for the ROHM BD71837
2224 Power Management ICs. BD71837 is designed to power processors like
2225 NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring
2226 and emergency shut down as well as 32,768KHz clock output.
2227
2228config MFD_ROHM_BD71828
2229 tristate "ROHM BD718[15/28/79], BD72720 and BD73900 PMICs"
2230 depends on I2C=y
2231 depends on OF
2232 select REGMAP_I2C
2233 select REGMAP_IRQ
2234 select MFD_CORE
2235 select MFD_ROHM_PWRBUTTON
2236 help
2237 Select this option to get support for the ROHM BD71815, BD71828,
2238 BD71879, BD72720 and BD73900 Power Management ICs (PMICs). These are
2239 single-chip Power Management ICs (PMIC), mainly for battery-powered
2240 portable devices.
2241 The BD71815 has 5 bucks, 7 LDOs, and a boost for driving LEDs.
2242 The BD718[28/79] have 7 buck converters and 7 LDOs.
2243 The BD72720 and the BD73900 have 10 bucks and 11 LDOs.
2244 All ICs provide a single-cell linear charger, a Coulomb counter,
2245 a Real-Time Clock (RTC), GPIOs and a 32.768 kHz clock gate.
2246
2247config MFD_ROHM_BD957XMUF
2248 tristate "ROHM BD9576MUF and BD9573MUF Power Management ICs"
2249 depends on I2C=y
2250 depends on OF
2251 select REGMAP_I2C
2252 select REGMAP_IRQ
2253 select MFD_CORE
2254 help
2255 Select this option to get support for the ROHM BD9576MUF and
2256 BD9573MUF Power Management ICs. BD9576 and BD9573 are primarily
2257 designed to be used to power R-Car series processors.
2258
2259config MFD_ROHM_BD96801
2260 tristate "ROHM BD96801 Power Management IC"
2261 depends on I2C=y
2262 depends on OF
2263 select REGMAP_I2C
2264 select REGMAP_IRQ
2265 select MFD_CORE
2266 help
2267 Select this option to get support for the ROHM BD96801 Power
2268 Management IC. The ROHM BD96801 is a highly scalable Power Management
2269 IC for industrial and automotive use. The BD96801 can be used as a
2270 master PMIC in a chained PMIC solution with suitable companion PMICs.
2271
2272config MFD_STM32_LPTIMER
2273 tristate "Support for STM32 Low-Power Timer"
2274 depends on (ARCH_STM32 && OF) || COMPILE_TEST
2275 select MFD_CORE
2276 select REGMAP
2277 select REGMAP_MMIO
2278 help
2279 Select this option to enable STM32 Low-Power Timer driver
2280 used for PWM, IIO Trigger, IIO Encoder and Counter. Shared
2281 resources are also dealt with here.
2282
2283 To compile this driver as a module, choose M here: the
2284 module will be called stm32-lptimer.
2285
2286config MFD_STM32_TIMERS
2287 tristate "Support for STM32 Timers"
2288 depends on (ARCH_STM32 && OF) || COMPILE_TEST
2289 select MFD_CORE
2290 select REGMAP
2291 select REGMAP_MMIO
2292 help
2293 Select this option to enable STM32 timers driver used
2294 for PWM and IIO Timer. This driver allow to share the
2295 registers between the others drivers.
2296
2297config MFD_STPMIC1
2298 tristate "Support for STPMIC1 PMIC"
2299 depends on I2C=y && OF
2300 select REGMAP_I2C
2301 select REGMAP_IRQ
2302 select MFD_CORE
2303 help
2304 Support for ST Microelectronics STPMIC1 PMIC. STPMIC1 has power on
2305 key, watchdog and regulator functionalities which are supported via
2306 the relevant subsystems. This driver provides core support for the
2307 STPMIC1. In order to use the actual functionality of the device other
2308 drivers must be enabled.
2309
2310 To compile this driver as a module, choose M here: the
2311 module will be called stpmic1.
2312
2313config MFD_STMFX
2314 tristate "Support for STMicroelectronics Multi-Function eXpander (STMFX)"
2315 depends on I2C
2316 depends on OF
2317 select MFD_CORE
2318 select REGMAP_I2C
2319 help
2320 Support for the STMicroelectronics Multi-Function eXpander.
2321
2322 This driver provides common support for accessing the device,
2323 additional drivers must be enabled in order to use the functionality
2324 of the device.
2325
2326config MFD_WCD934X
2327 tristate "Support for WCD9340/WCD9341 Codec"
2328 depends on SLIMBUS
2329 select REGMAP
2330 select REGMAP_SLIMBUS
2331 select REGMAP_IRQ
2332 select MFD_CORE
2333 help
2334 Support for the Qualcomm WCD9340/WCD9341 Codec.
2335 This driver provides common support WCD934x audio codec and its
2336 associated Pin Controller, Soundwire Controller and Audio codec.
2337
2338config MFD_ATC260X
2339 tristate
2340 select MFD_CORE
2341 select REGMAP
2342 select REGMAP_IRQ
2343
2344config MFD_ATC260X_I2C
2345 tristate "Actions Semi ATC260x PMICs with I2C"
2346 select MFD_ATC260X
2347 select REGMAP_I2C
2348 depends on I2C
2349 help
2350 Support for the Actions Semi ATC260x PMICs controlled via I2C.
2351
2352 This driver provides common support for accessing the ATC2603C
2353 and ATC2609A chip variants, additional drivers must be enabled
2354 in order to use the functionality of the device.
2355
2356config MFD_KHADAS_MCU
2357 tristate "Support for Khadas System control Microcontroller"
2358 depends on I2C
2359 depends on ARCH_MESON || ARCH_ROCKCHIP || COMPILE_TEST
2360 select MFD_CORE
2361 select REGMAP_I2C
2362 help
2363 Support for the Khadas System control Microcontroller interface
2364 present on their VIM and Edge boards.
2365
2366 This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and
2367 Edge boards.
2368
2369 It provides multiple boot control features like password check,
2370 power-on options, power-off control and system FAN control on recent
2371 boards.
2372
2373 This driver provides common support for accessing the device,
2374 additional drivers must be enabled in order to use the functionality
2375 of the device.
2376
2377config MFD_ACER_A500_EC
2378 tristate "Support for Acer Iconia Tab A500 Embedded Controller"
2379 depends on I2C
2380 depends on (ARCH_TEGRA_2x_SOC && OF) || COMPILE_TEST
2381 select MFD_CORE
2382 select REGMAP
2383 help
2384 Support for Embedded Controller found on Acer Iconia Tab A500.
2385 The controller itself is ENE KB930, it is running firmware
2386 customized for the specific needs of the Acer A500 hardware.
2387
2388config MFD_QCOM_PM8008
2389 tristate "Qualcomm PM8008 Power Management IC"
2390 depends on I2C && OF
2391 select MFD_CORE
2392 select REGMAP_I2C
2393 select REGMAP_IRQ
2394 help
2395 Select this option to get support for the Qualcomm Technologies, Inc.
2396 PM8008 PMIC chip. PM8008 is a dedicated camera PMIC that integrates
2397 all the necessary power management, housekeeping, and interface
2398 support functions into a single IC. This driver provides common
2399 support for accessing the device by instantiating all the child nodes
2400 under it in the device tree. Additional drivers must be enabled in
2401 order to use the functionality of the device.
2402
2403menu "Multimedia Capabilities Port drivers"
2404 depends on ARCH_SA1100
2405
2406config MCP
2407 tristate
2408
2409# Interface drivers
2410config MCP_SA11X0
2411 tristate "Support SA11x0 MCP interface"
2412 depends on ARCH_SA1100
2413 select MCP
2414
2415# Chip drivers
2416config MCP_UCB1200
2417 tristate "Support for UCB1200 / UCB1300"
2418 depends on MCP_SA11X0
2419 select MCP
2420
2421config MCP_UCB1200_TS
2422 tristate "Touchscreen interface support"
2423 depends on MCP_UCB1200 && INPUT
2424
2425endmenu
2426
2427config MFD_VEXPRESS_SYSREG
2428 tristate "Versatile Express System Registers"
2429 depends on VEXPRESS_CONFIG && GPIOLIB
2430 default y
2431 select GPIO_GENERIC_PLATFORM
2432 select MFD_CORE
2433 select MFD_SYSCON
2434 help
2435 System Registers are the platform configuration block
2436 on the ARM Ltd. Versatile Express board.
2437
2438config RAVE_SP_CORE
2439 tristate "RAVE SP MCU core driver"
2440 depends on SERIAL_DEV_BUS
2441 select CRC_ITU_T
2442 help
2443 Select this to get support for the Supervisory Processor
2444 device found on several devices in RAVE line of hardware.
2445
2446config SGI_MFD_IOC3
2447 bool "SGI IOC3 core driver"
2448 depends on PCI && MIPS && 64BIT
2449 select MFD_CORE
2450 help
2451 This option enables basic support for the SGI IOC3-based
2452 controller cards. This option does not enable any specific
2453 functions on such a card, but provides necessary infrastructure
2454 for other drivers to utilize.
2455
2456 If you have an SGI Origin, Octane, or a PCI IOC3 card,
2457 then say Y. Otherwise say N.
2458
2459config MFD_INTEL_M10_BMC_CORE
2460 tristate
2461 select MFD_CORE
2462 select REGMAP
2463 default n
2464
2465config MFD_INTEL_M10_BMC_SPI
2466 tristate "Intel MAX 10 Board Management Controller with SPI"
2467 depends on SPI_MASTER
2468 select MFD_INTEL_M10_BMC_CORE
2469 select REGMAP_SPI_AVMM
2470 help
2471 Support for the Intel MAX 10 board management controller using the
2472 SPI interface.
2473
2474 This driver provides common support for accessing the device,
2475 additional drivers must be enabled in order to use the functionality
2476 of the device.
2477
2478config MFD_INTEL_M10_BMC_PMCI
2479 tristate "Intel MAX 10 Board Management Controller with PMCI"
2480 depends on FPGA_DFL
2481 select MFD_INTEL_M10_BMC_CORE
2482 select REGMAP
2483 help
2484 Support for the Intel MAX 10 board management controller via PMCI.
2485
2486 This driver provides common support for accessing the device,
2487 additional drivers must be enabled in order to use the functionality
2488 of the device.
2489
2490config MFD_LOONGSON_SE
2491 tristate "Loongson Security Engine chip controller driver"
2492 depends on LOONGARCH && ACPI
2493 select MFD_CORE
2494 help
2495 The Loongson Security Engine chip supports RNG, SM2, SM3 and
2496 SM4 accelerator engines. Each engine have its own DMA buffer
2497 provided by the controller. The kernel cannot directly send
2498 commands to the engine and must first send them to the controller,
2499 which will forward them to the corresponding engine.
2500
2501config MFD_LS2K_BMC_CORE
2502 bool "Loongson-2K Board Management Controller Support"
2503 depends on PCI && ACPI_GENERIC_GSI
2504 select MFD_CORE
2505 help
2506 Say yes here to add support for the Loongson-2K BMC which is a Board
2507 Management Controller connected to the PCIe bus. The device supports
2508 multiple sub-devices like display and IPMI. This driver provides common
2509 support for accessing the devices.
2510
2511 The display is enabled by default in the driver, while the IPMI interface
2512 is enabled independently through the IPMI_LS2K option in the IPMI section.
2513
2514config MFD_QNAP_MCU
2515 tristate "QNAP microcontroller unit core driver"
2516 depends on SERIAL_DEV_BUS
2517 select MFD_CORE
2518 help
2519 Select this to get support for the QNAP MCU device found in
2520 several devices of QNAP network attached storage products that
2521 implements additional functionality for the device, like fan
2522 and LED control.
2523
2524 This driver implements the base serial protocol to talk to the
2525 device and provides functions for the other parts to hook into.
2526
2527config MFD_RSMU_I2C
2528 tristate "Renesas Synchronization Management Unit with I2C"
2529 depends on I2C && OF
2530 select MFD_CORE
2531 select REGMAP_I2C
2532 help
2533 Support for the Renesas Synchronization Management Unit, such as
2534 Clockmatrix and 82P33XXX series. This option supports I2C as
2535 the control interface.
2536
2537 This driver provides common support for accessing the device.
2538 Additional drivers must be enabled in order to use the functionality
2539 of the device.
2540
2541config MFD_RSMU_SPI
2542 tristate "Renesas Synchronization Management Unit with SPI"
2543 depends on SPI && OF
2544 select MFD_CORE
2545 select REGMAP_SPI
2546 help
2547 Support for the Renesas Synchronization Management Unit, such as
2548 Clockmatrix and 82P33XXX series. This option supports SPI as
2549 the control interface.
2550
2551 This driver provides common support for accessing the device.
2552 Additional drivers must be enabled in order to use the functionality
2553 of the device.
2554
2555config MFD_UPBOARD_FPGA
2556 tristate "Support for the AAeon UP board FPGA"
2557 depends on (X86 && ACPI)
2558 select MFD_CORE
2559 help
2560 Select this option to enable the AAEON UP and UP^2 onboard FPGA.
2561 This is the core driver of this FPGA, which has a pin controller and a
2562 LED controller.
2563
2564 To compile this driver as a module, choose M here: the module will be
2565 called upboard-fpga.
2566
2567config MFD_MAX7360
2568 tristate "Maxim MAX7360 I2C IO Expander"
2569 depends on I2C
2570 select MFD_CORE
2571 select REGMAP_I2C
2572 select REGMAP_IRQ
2573 help
2574 Say yes here to add support for Maxim MAX7360 device, embedding
2575 keypad, rotary encoder, PWM and GPIO features.
2576
2577 This driver provides common support for accessing the device;
2578 additional drivers must be enabled in order to use the functionality
2579 of the device.
2580
2581endmenu
2582endif