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 2583