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 && OF 49 select MFD_SYSCON 50 help 51 Select this to get System Manager support for all Altera branded 52 SOCFPGAs. The SOCFPGA System Manager handles all SOCFPGAs by 53 using regmap_mmio accesses for ARM32 parts and SMC calls to 54 EL3 for ARM64 parts. 55 56config MFD_ACT8945A 57 tristate "Active-semi ACT8945A" 58 select MFD_CORE 59 select REGMAP_I2C 60 depends on I2C && OF 61 help 62 Support for the ACT8945A PMIC from Active-semi. This device 63 features three step-down DC/DC converters and four low-dropout 64 linear regulators, along with a complete ActivePath battery 65 charger. 66 67config MFD_SUN4I_GPADC 68 tristate "Allwinner sunxi platforms' GPADC MFD driver" 69 select MFD_CORE 70 select REGMAP_MMIO 71 select REGMAP_IRQ 72 depends on ARCH_SUNXI || COMPILE_TEST 73 depends on !TOUCHSCREEN_SUN4I 74 help 75 Select this to get support for Allwinner SoCs (A10, A13 and A31) ADC. 76 This driver will only map the hardware interrupt and registers, you 77 have to select individual drivers based on this MFD to be able to use 78 the ADC or the thermal sensor. This will try to probe the ADC driver 79 sun4i-gpadc-iio and the hwmon driver iio_hwmon. 80 81 To compile this driver as a module, choose M here: the module will be 82 called sun4i-gpadc. 83 84config MFD_AS3711 85 bool "AMS AS3711" 86 select MFD_CORE 87 select REGMAP_I2C 88 select REGMAP_IRQ 89 depends on I2C=y 90 help 91 Support for the AS3711 PMIC from AMS 92 93config MFD_SMPRO 94 tristate "Ampere Computing SMpro core driver" 95 depends on I2C 96 select MFD_CORE 97 select REGMAP_I2C 98 help 99 Say yes here to enable SMpro driver support for Ampere's Altra 100 processor family. 101 102 Ampere's Altra SMpro exposes an I2C regmap interface that can 103 be accessed by child devices. 104 105config MFD_AS3722 106 tristate "ams AS3722 Power Management IC" 107 select MFD_CORE 108 select REGMAP_I2C 109 select REGMAP_IRQ 110 depends on I2C=y && OF 111 help 112 The ams AS3722 is a compact system PMU suitable for mobile phones, 113 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down 114 controllers, 11 LDOs, RTC, automatic battery, temperature and 115 over current monitoring, GPIOs, ADC and a watchdog. 116 117config PMIC_ADP5520 118 bool "Analog Devices ADP5520/01 MFD PMIC Core Support" 119 depends on I2C=y 120 help 121 Say yes here to add support for Analog Devices ADP5520 and ADP5501, 122 Multifunction Power Management IC. This includes 123 the I2C driver and the core APIs _only_, you have to select 124 individual components like LCD backlight, LEDs, GPIOs and Kepad 125 under the corresponding menus. 126 127config MFD_AAT2870_CORE 128 bool "AnalogicTech AAT2870" 129 select MFD_CORE 130 depends on I2C=y 131 depends on GPIOLIB || COMPILE_TEST 132 depends on GPIOLIB_LEGACY 133 help 134 If you say yes here you get support for the AAT2870. 135 This driver provides common support for accessing the device, 136 additional drivers must be enabled in order to use the 137 functionality of the device. 138 139config MFD_AT91_USART 140 tristate "AT91 USART Driver" 141 select MFD_CORE 142 depends on ARCH_MICROCHIP || COMPILE_TEST 143 help 144 Select this to get support for AT91 USART IP. This is a wrapper 145 over at91-usart-serial driver and usart-spi-driver. Only one function 146 can be used at a time. The choice is done at boot time by the probe 147 function of this MFD driver according to a device tree property. 148 149config MFD_ATMEL_FLEXCOM 150 tristate "Atmel Flexcom (Flexible Serial Communication Unit)" 151 select MFD_CORE 152 depends on OF 153 help 154 Select this to get support for Atmel Flexcom. This is a wrapper 155 which embeds a SPI controller, a I2C controller and a USART. Only 156 one function can be used at a time. The choice is done at boot time 157 by the probe function of this MFD driver according to a device tree 158 property. 159 160config MFD_ATMEL_HLCDC 161 tristate "Atmel HLCDC (High-end LCD Controller)" 162 select MFD_CORE 163 select REGMAP_MMIO 164 depends on OF 165 help 166 If you say yes here you get support for the HLCDC block. 167 This driver provides common support for accessing the device, 168 additional drivers must be enabled in order to use the 169 functionality of the device. 170 171config MFD_ATMEL_SMC 172 bool 173 select MFD_SYSCON 174 175config MFD_BCM590XX 176 tristate "Broadcom BCM590xx PMUs" 177 select MFD_CORE 178 select REGMAP_I2C 179 depends on I2C 180 help 181 Support for the BCM590xx PMUs from Broadcom 182 183config MFD_BD9571MWV 184 tristate "ROHM BD9571MWV PMIC" 185 select MFD_CORE 186 select REGMAP_I2C 187 select REGMAP_IRQ 188 depends on I2C 189 help 190 Support for the ROHM BD9571MWV PMIC, which contains single 191 voltage regulator, voltage sampling units, GPIO block and 192 watchdog block. 193 194 This driver can also be built as a module. If so, the module 195 will be called bd9571mwv. 196 197config MFD_AC100 198 tristate "X-Powers AC100" 199 select MFD_CORE 200 depends on SUNXI_RSB 201 help 202 If you say Y here you get support for the X-Powers AC100 audio codec 203 IC. 204 This driver include only the core APIs. You have to select individual 205 components like codecs or RTC under the corresponding menus. 206 207config MFD_AXP20X 208 tristate 209 select MFD_CORE 210 select REGMAP_IRQ 211 212config MFD_AXP20X_I2C 213 tristate "X-Powers AXP series PMICs with I2C" 214 select MFD_AXP20X 215 select REGMAP_I2C 216 depends on I2C 217 help 218 If you say Y here you get support for the X-Powers AXP series power 219 management ICs (PMICs) controlled with I2C. 220 This driver include only the core APIs. You have to select individual 221 components like regulators or the PEK (Power Enable Key) under the 222 corresponding menus. 223 224 Note on x86 this provides an ACPI OpRegion, so this must be 'y' 225 (builtin) and not a module, as the OpRegion must be available as 226 soon as possible. For the same reason the I2C bus driver options 227 I2C_DESIGNWARE_PLATFORM and I2C_DESIGNWARE_BAYTRAIL must be 'y' too. 228 229config MFD_AXP20X_RSB 230 tristate "X-Powers AXP series PMICs with RSB" 231 select MFD_AXP20X 232 depends on SUNXI_RSB 233 help 234 If you say Y here you get support for the X-Powers AXP series power 235 management ICs (PMICs) controlled with RSB. 236 This driver include only the core APIs. You have to select individual 237 components like regulators or the PEK (Power Enable Key) under the 238 corresponding menus. 239 240config MFD_CGBC 241 tristate "Congatec Board Controller" 242 select MFD_CORE 243 depends on X86 244 help 245 This is the core driver of the Board Controller found on some Congatec 246 SMARC modules. The Board Controller provides functions like watchdog, 247 I2C busses, and GPIO controller. 248 249 To compile this driver as a module, choose M here: the module will be 250 called cgbc-core. 251 252config MFD_CROS_EC_DEV 253 tristate "ChromeOS Embedded Controller multifunction device" 254 select MFD_CORE 255 depends on CROS_EC 256 default CROS_EC 257 help 258 Select this to get support for ChromeOS Embedded Controller 259 sub-devices. This driver will instantiate additional drivers such 260 as RTC, USBPD, etc. but you have to select the individual drivers. 261 262 To compile this driver as a module, choose M here: the module will be 263 called cros-ec-dev. 264 265config MFD_CS40L50_CORE 266 tristate 267 select MFD_CORE 268 select FW_CS_DSP 269 select REGMAP_IRQ 270 271config MFD_CS40L50_I2C 272 tristate "Cirrus Logic CS40L50 (I2C)" 273 select REGMAP_I2C 274 select MFD_CS40L50_CORE 275 depends on I2C 276 help 277 Select this to support the Cirrus Logic CS40L50 Haptic 278 Driver over I2C. 279 280 This driver can be built as a module. If built as a module it will be 281 called "cs40l50-i2c". 282 283config MFD_CS40L50_SPI 284 tristate "Cirrus Logic CS40L50 (SPI)" 285 select REGMAP_SPI 286 select MFD_CS40L50_CORE 287 depends on SPI 288 help 289 Select this to support the Cirrus Logic CS40L50 Haptic 290 Driver over SPI. 291 292 This driver can be built as a module. If built as a module it will be 293 called "cs40l50-spi". 294 295config MFD_CS42L43 296 tristate 297 select MFD_CORE 298 select REGMAP 299 select REGMAP_IRQ 300 301config MFD_CS42L43_I2C 302 tristate "Cirrus Logic CS42L43 (I2C)" 303 depends on I2C 304 select REGMAP_I2C 305 select MFD_CS42L43 306 help 307 Select this to support the Cirrus Logic CS42L43 PC CODEC with 308 headphone and class D speaker drivers over I2C. 309 310config MFD_CS42L43_SDW 311 tristate "Cirrus Logic CS42L43 (SoundWire)" 312 depends on SOUNDWIRE 313 select REGMAP_SOUNDWIRE 314 select MFD_CS42L43 315 help 316 Select this to support the Cirrus Logic CS42L43 PC CODEC with 317 headphone and class D speaker drivers over SoundWire. 318 319config MFD_LOCHNAGAR 320 bool "Cirrus Logic Lochnagar Audio Development Board" 321 select MFD_CORE 322 select REGMAP_I2C 323 depends on I2C=y && OF 324 help 325 Support for Cirrus Logic Lochnagar audio development board. 326 327config MFD_MACSMC 328 tristate "Apple Silicon System Management Controller (SMC)" 329 depends on ARCH_APPLE || COMPILE_TEST 330 depends on OF 331 depends on APPLE_RTKIT 332 select MFD_CORE 333 help 334 The System Management Controller (SMC) on Apple Silicon machines is a 335 piece of hardware that exposes various functionalities such as 336 temperature sensors, voltage/power meters, shutdown/reboot handling, 337 GPIOs and more. 338 339 Communication happens via a shared mailbox using the RTKit protocol 340 which is also used for other co-processors. The SMC protocol then 341 allows reading and writing many different keys which implement the 342 various features. The MFD core device handles this protocol and 343 exposes it to the sub-devices. 344 345config MFD_MADERA 346 tristate "Cirrus Logic Madera codecs" 347 select MFD_CORE 348 select REGMAP 349 select REGMAP_IRQ 350 select MADERA_IRQ 351 select PINCTRL 352 select PINCTRL_MADERA 353 help 354 Support for the Cirrus Logic Madera platform audio codecs 355 356config MFD_MADERA_I2C 357 tristate "Cirrus Logic Madera codecs with I2C" 358 depends on MFD_MADERA 359 depends on I2C 360 select REGMAP_I2C 361 help 362 Support for the Cirrus Logic Madera platform audio SoC 363 core functionality controlled via I2C. 364 365config MFD_MADERA_SPI 366 tristate "Cirrus Logic Madera codecs with SPI" 367 depends on MFD_MADERA 368 depends on SPI_MASTER 369 select REGMAP_SPI 370 help 371 Support for the Cirrus Logic Madera platform audio SoC 372 core functionality controlled via SPI. 373 374config MFD_CS47L15 375 bool "Cirrus Logic CS47L15" 376 select PINCTRL_CS47L15 377 depends on MFD_MADERA 378 help 379 Support for Cirrus Logic CS47L15 Smart Codec 380 381config MFD_CS47L35 382 bool "Cirrus Logic CS47L35" 383 select PINCTRL_CS47L35 384 depends on MFD_MADERA 385 help 386 Support for Cirrus Logic CS47L35 Smart Codec 387 388config MFD_CS47L85 389 bool "Cirrus Logic CS47L85" 390 select PINCTRL_CS47L85 391 depends on MFD_MADERA 392 help 393 Support for Cirrus Logic CS47L85 Smart Codec 394 395config MFD_CS47L90 396 bool "Cirrus Logic CS47L90/91" 397 select PINCTRL_CS47L90 398 depends on MFD_MADERA 399 help 400 Support for Cirrus Logic CS47L90 and CS47L91 Smart Codecs 401 402config MFD_CS47L92 403 bool "Cirrus Logic CS47L92/93" 404 select PINCTRL_CS47L92 405 depends on MFD_MADERA 406 help 407 Support for Cirrus Logic CS42L92, CS47L92 and CS47L93 Smart Codecs 408 409config PMIC_DA903X 410 bool "Dialog Semiconductor DA9030/DA9034 PMIC Support" 411 depends on I2C=y 412 help 413 Say yes here to add support for Dialog Semiconductor DA9030 (a.k.a 414 ARAVA) and DA9034 (a.k.a MICCO), these are Power Management IC 415 usually found on PXA processors-based platforms. This includes 416 the I2C driver and the core APIs _only_, you have to select 417 individual components like LCD backlight, voltage regulators, 418 LEDs and battery-charger under the corresponding menus. 419 420config PMIC_DA9052 421 bool 422 select MFD_CORE 423 424config MFD_DA9052_SPI 425 bool "Dialog Semiconductor DA9052/53 PMIC variants with SPI" 426 select REGMAP_SPI 427 select REGMAP_IRQ 428 select PMIC_DA9052 429 depends on SPI_MASTER=y 430 help 431 Support for the Dialog Semiconductor DA9052 PMIC 432 when controlled using SPI. This driver provides common support 433 for accessing the device, additional drivers must be enabled in 434 order to use the functionality of the device. 435 436config MFD_DA9052_I2C 437 bool "Dialog Semiconductor DA9052/53 PMIC variants with I2C" 438 select REGMAP_I2C 439 select REGMAP_IRQ 440 select PMIC_DA9052 441 depends on I2C=y 442 help 443 Support for the Dialog Semiconductor DA9052 PMIC 444 when controlled using I2C. 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_DA9055 449 bool "Dialog Semiconductor DA9055 PMIC Support" 450 select REGMAP_I2C 451 select REGMAP_IRQ 452 select MFD_CORE 453 depends on I2C=y 454 help 455 Say yes here for support of Dialog Semiconductor DA9055. This is 456 a Power Management IC. This driver provides common support for 457 accessing the device as well as the I2C interface to the chip itself. 458 Additional drivers must be enabled in order to use the functionality 459 of the device. 460 461config MFD_DA9062 462 tristate "Dialog Semiconductor DA9062/61 PMIC Support" 463 select MFD_CORE 464 select REGMAP_I2C 465 select REGMAP_IRQ 466 depends on I2C 467 help 468 Say yes here for support for the Dialog Semiconductor DA9061 and 469 DA9062 PMICs. 470 This includes the I2C driver and core APIs. 471 Additional drivers must be enabled in order to use the functionality 472 of the device. 473 474config MFD_DA9063 475 tristate "Dialog Semiconductor DA9063 PMIC Support" 476 select MFD_CORE 477 select REGMAP_I2C 478 select REGMAP_IRQ 479 depends on I2C 480 help 481 Say yes here for support for the Dialog Semiconductor DA9063 PMIC. 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_DA9150 487 tristate "Dialog Semiconductor DA9150 Charger Fuel-Gauge chip" 488 depends on I2C 489 select MFD_CORE 490 select REGMAP_I2C 491 select REGMAP_IRQ 492 help 493 This adds support for the DA9150 integrated charger and fuel-gauge 494 chip. This driver provides common support for accessing the device. 495 Additional drivers must be enabled in order to use the specific 496 features of the device. 497 498config MFD_DLN2 499 tristate "Diolan DLN2 support" 500 select MFD_CORE 501 depends on USB 502 help 503 This adds support for Diolan USB-I2C/SPI/GPIO Master Adapter 504 DLN-2. Additional drivers such as I2C_DLN2, GPIO_DLN2, 505 etc. must be enabled in order to use the functionality of 506 the device. 507 508config MFD_ENE_KB3930 509 tristate "ENE KB3930 Embedded Controller support" 510 depends on I2C 511 depends on MACH_MMP3_DT || COMPILE_TEST 512 select MFD_CORE 513 help 514 This adds support for the power-off functionality and access to 515 the registers that control LEDS and USB port power on ENE KB3930 516 Embedded Controller. To use the LED functionality LEDS_ARIEL must 517 be enabled. 518 519config MFD_EXYNOS_LPASS 520 tristate "Samsung Exynos SoC Low Power Audio Subsystem" 521 depends on ARCH_EXYNOS || COMPILE_TEST 522 select MFD_CORE 523 select REGMAP_MMIO 524 help 525 Select this option to enable support for Samsung Exynos Low Power 526 Audio Subsystem present on some of Samsung Exynos 527 SoCs (e.g. Exynos5433). 528 Choose Y here only if you build for such Samsung SoC. 529 530config MFD_GATEWORKS_GSC 531 tristate "Gateworks System Controller" 532 depends on I2C && OF 533 select MFD_CORE 534 select REGMAP_I2C 535 select REGMAP_IRQ 536 help 537 Enable support for the Gateworks System Controller (GSC) found 538 on Gateworks Single Board Computers supporting system functions 539 such as push-button monitor, multiple ADC's for voltage and 540 temperature monitoring, fan controller and watchdog monitor. 541 This driver provides common support for accessing the device. 542 Additional drivers must be enabled in order to use the 543 functionality of the device. 544 545config MFD_MC13XXX 546 tristate 547 depends on SPI_MASTER || I2C 548 select MFD_CORE 549 select REGMAP_IRQ 550 help 551 Enable support for the Freescale MC13783 and MC13892 PMICs. 552 This driver provides common support for accessing the device, 553 additional drivers must be enabled in order to use the 554 functionality of the device. 555 556config MFD_MC13XXX_SPI 557 tristate "Freescale MC13783 and MC13892 SPI interface" 558 depends on SPI_MASTER 559 select REGMAP_SPI 560 select MFD_MC13XXX 561 help 562 Select this if your MC13xxx is connected via an SPI bus. 563 564config MFD_MC13XXX_I2C 565 tristate "Freescale MC13892 I2C interface" 566 depends on I2C 567 select REGMAP_I2C 568 select MFD_MC13XXX 569 help 570 Select this if your MC13xxx is connected via an I2C bus. 571 572config MFD_MP2629 573 tristate "Monolithic Power Systems MP2629 ADC and Battery charger" 574 depends on I2C 575 select REGMAP_I2C 576 select MFD_CORE 577 help 578 Select this option to enable support for Monolithic Power Systems 579 battery charger. This provides ADC, thermal and battery charger power 580 management functions. 581 582config MFD_MXS_LRADC 583 tristate "Freescale i.MX23/i.MX28 LRADC" 584 depends on ARCH_MXS || COMPILE_TEST 585 select MFD_CORE 586 select STMP_DEVICE 587 help 588 Say yes here to build support for the Low Resolution 589 Analog-to-Digital Converter (LRADC) found on the i.MX23 and i.MX28 590 processors. This driver provides common support for accessing the 591 device, additional drivers must be enabled in order to use the 592 functionality of the device: 593 mxs-lradc-adc for ADC readings 594 mxs-lradc-ts for touchscreen support 595 596 This driver can also be built as a module. If so, the module will be 597 called mxs-lradc. 598 599config MFD_MX25_TSADC 600 tristate "Freescale i.MX25 integrated Touchscreen and ADC unit" 601 select REGMAP_MMIO 602 depends on (SOC_IMX25 && OF) || COMPILE_TEST 603 help 604 Enable support for the integrated Touchscreen and ADC unit of the 605 i.MX25 processors. They consist of a conversion queue for general 606 purpose ADC and a queue for Touchscreens. 607 608config MFD_PF1550 609 tristate "NXP PF1550 PMIC Support" 610 depends on I2C=y && OF 611 select MFD_CORE 612 select REGMAP_I2C 613 select REGMAP_IRQ 614 help 615 Say yes here to add support for NXP PF1550. This is a companion Power 616 Management IC with regulators, onkey, and charger control on chip. 617 This driver provides common support for accessing the device; 618 additional drivers must be enabled in order to use the functionality 619 of the device. 620 621 This driver can also be built as a module and if so will be called 622 pf1550. 623 624config MFD_HI6421_PMIC 625 tristate "HiSilicon Hi6421 PMU/Codec IC" 626 depends on OF 627 select MFD_CORE 628 select REGMAP_MMIO 629 help 630 Add support for HiSilicon Hi6421 PMIC. Hi6421 includes multi- 631 functions, such as regulators, RTC, codec, Coulomb counter, etc. 632 This driver includes core APIs _only_. You have to select 633 individual components like voltage regulators under corresponding 634 menus in order to enable them. 635 We communicate with the Hi6421 via memory-mapped I/O. 636 637config MFD_HI6421_SPMI 638 tristate "HiSilicon Hi6421v600 SPMI PMU/Codec IC" 639 depends on OF 640 depends on SPMI 641 select MFD_CORE 642 select REGMAP_SPMI 643 help 644 Add support for HiSilicon Hi6421v600 SPMI PMIC. Hi6421 includes 645 multi-functions, such as regulators, RTC, codec, Coulomb counter, 646 etc. 647 648 This driver includes core APIs _only_. You have to select 649 individual components like voltage regulators under corresponding 650 menus in order to enable them. 651 We communicate with the Hi6421v600 via a SPMI bus. 652 653config MFD_HI655X_PMIC 654 tristate "HiSilicon Hi655X series PMU/Codec IC" 655 depends on ARCH_HISI || COMPILE_TEST 656 depends on OF 657 select MFD_CORE 658 select REGMAP_MMIO 659 select REGMAP_IRQ 660 help 661 Select this option to enable Hisilicon hi655x series pmic driver. 662 663config MFD_INTEL_QUARK_I2C_GPIO 664 tristate "Intel Quark MFD I2C GPIO" 665 depends on PCI 666 depends on X86 667 depends on COMMON_CLK 668 select MFD_CORE 669 help 670 This MFD provides support for I2C and GPIO that exist only 671 in a single PCI device. It splits the 2 IO devices to 672 their respective IO driver. 673 The GPIO exports a total amount of 8 interrupt-capable GPIOs. 674 675config LPC_ICH 676 tristate "Intel ICH LPC" 677 depends on PCI 678 select MFD_CORE 679 select P2SB if X86 680 help 681 The LPC bridge function of the Intel ICH provides support for 682 many functional units. This driver provides needed support for 683 other drivers to control these functions, currently GPIO and 684 watchdog. 685 686config LPC_SCH 687 tristate "Intel SCH LPC" 688 depends on PCI 689 select MFD_CORE 690 help 691 LPC bridge function of the Intel SCH provides support for 692 System Management Bus and General Purpose I/O. 693 694config INTEL_SOC_PMIC 695 bool "Support for Crystal Cove PMIC" 696 depends on HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK 697 depends on (X86 && ACPI) || COMPILE_TEST 698 depends on I2C_DESIGNWARE_PLATFORM=y || COMPILE_TEST 699 select MFD_CORE 700 select REGMAP_I2C 701 select REGMAP_IRQ 702 help 703 Select this option to enable support for Crystal Cove PMIC 704 on some Intel SoC systems. The PMIC provides ADC, GPIO, 705 thermal, charger and related power management functions 706 on these systems. 707 708 This option is a bool as it provides an ACPI OpRegion which must be 709 available before any devices using it are probed. This option also 710 causes the designware-i2c driver to be builtin for the same reason. 711 712config INTEL_SOC_PMIC_BXTWC 713 tristate "Support for Intel Broxton Whiskey Cove PMIC" 714 depends on MFD_INTEL_PMC_BXT 715 select MFD_CORE 716 select REGMAP_IRQ 717 help 718 Select this option to enable support for Whiskey Cove PMIC 719 on Intel Broxton systems. The PMIC provides ADC, GPIO, 720 thermal, charger and related power management functions 721 on these systems. 722 723config INTEL_SOC_PMIC_CHTWC 724 bool "Support for Intel Cherry Trail Whiskey Cove PMIC" 725 depends on ACPI && HAS_IOMEM && I2C=y && COMMON_CLK 726 depends on X86 || COMPILE_TEST 727 depends on I2C_DESIGNWARE_PLATFORM=y 728 select MFD_CORE 729 select REGMAP_I2C 730 select REGMAP_IRQ 731 help 732 Select this option to enable support for the Intel Cherry Trail 733 Whiskey Cove PMIC found on some Intel Cherry Trail systems. 734 735 This option is a bool as it provides an ACPI OpRegion which must be 736 available before any devices using it are probed. This option also 737 causes the designware-i2c driver to be builtin for the same reason. 738 739config INTEL_SOC_PMIC_CHTDC_TI 740 tristate "Support for Intel Cherry Trail Dollar Cove TI PMIC" 741 depends on GPIOLIB 742 depends on I2C=y && I2C_DESIGNWARE_PLATFORM=y 743 depends on ACPI 744 depends on X86 745 select MFD_CORE 746 select REGMAP_I2C 747 select REGMAP_IRQ 748 help 749 Select this option for supporting Dollar Cove (TI version) PMIC 750 device that is found on some Intel Cherry Trail systems. 751 752 This option is a bool as it provides an ACPI OpRegion which must be 753 available before any devices using it are probed. This option also 754 needs the designware-i2c driver to be builtin for the same reason. 755 756config INTEL_SOC_PMIC_MRFLD 757 tristate "Support for Intel Merrifield Basin Cove PMIC" 758 depends on GPIOLIB 759 depends on ACPI 760 depends on INTEL_SCU 761 select MFD_CORE 762 select REGMAP_IRQ 763 help 764 Select this option for supporting Basin Cove PMIC device 765 that is found on Intel Merrifield systems. 766 767config MFD_INTEL_LPSS 768 tristate 769 select COMMON_CLK 770 select MFD_CORE 771 772config MFD_INTEL_LPSS_ACPI 773 tristate "Intel Low Power Subsystem support in ACPI mode" 774 select MFD_INTEL_LPSS 775 depends on X86 && ACPI 776 help 777 This driver supports Intel Low Power Subsystem (LPSS) devices such as 778 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake 779 PCH) in ACPI mode. 780 781config MFD_INTEL_LPSS_PCI 782 tristate "Intel Low Power Subsystem support in PCI mode" 783 select MFD_INTEL_LPSS 784 depends on X86 && PCI 785 help 786 This driver supports Intel Low Power Subsystem (LPSS) devices such as 787 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake 788 PCH) in PCI mode. 789 790config MFD_INTEL_PMC_BXT 791 tristate "Intel PMC Driver for Broxton" 792 depends on X86 793 depends on X86_PLATFORM_DEVICES 794 depends on ACPI 795 select INTEL_SCU_IPC 796 select MFD_CORE 797 help 798 This driver provides support for the PMC (Power Management 799 Controller) on Intel Broxton and Apollo Lake. The PMC is a 800 multi-function device that exposes IPC, General Control 801 Register and P-unit access. In addition this creates devices 802 for iTCO watchdog and telemetry that are part of the PMC. 803 804config MFD_IPAQ_MICRO 805 bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support" 806 depends on SA1100_H3600 807 select MFD_CORE 808 help 809 Select this to get support for the Microcontroller found in 810 the Compaq iPAQ handheld computers. This is an Atmel 811 AT90LS8535 microcontroller flashed with a special iPAQ 812 firmware using the custom protocol implemented in this driver. 813 814config MFD_IQS62X 815 tristate "Azoteq IQS620A/621/622/624/625 core support" 816 depends on I2C 817 select MFD_CORE 818 select REGMAP_I2C 819 help 820 Say Y here if you want to build core support for the Azoteq IQS620A, 821 IQS621, IQS622, IQS624 and IQS625 multi-function sensors. Additional 822 options must be selected to enable device-specific functions. 823 824 To compile this driver as a module, choose M here: the module will 825 be called iqs62x. 826 827config MFD_JANZ_CMODIO 828 tristate "Janz CMOD-IO PCI MODULbus Carrier Board" 829 select MFD_CORE 830 depends on PCI 831 help 832 This is the core driver for the Janz CMOD-IO PCI MODULbus 833 carrier board. This device is a PCI to MODULbus bridge which may 834 host many different types of MODULbus daughterboards, including 835 CAN and GPIO controllers. 836 837config MFD_KEMPLD 838 tristate "Kontron module PLD device" 839 select MFD_CORE 840 help 841 This is the core driver for the PLD (Programmable Logic Device) found 842 on some Kontron ETX and nearly all COMexpress (ETXexpress) modules as 843 well as on some other Kontron products. The PLD device may provide 844 functions like watchdog, GPIO, UART and I2C bus. 845 846 This driver can also be built as a module. If so, the module 847 will be called kempld-core. 848 849config MFD_88PM800 850 tristate "Marvell 88PM800" 851 depends on I2C 852 select REGMAP_I2C 853 select REGMAP_IRQ 854 select MFD_CORE 855 help 856 This supports for Marvell 88PM800 Power Management IC. 857 This includes the I2C driver and the core APIs _only_, you have to 858 select individual components like voltage regulators, RTC and 859 battery-charger under the corresponding menus. 860 861config MFD_88PM805 862 tristate "Marvell 88PM805" 863 depends on I2C 864 select REGMAP_I2C 865 select REGMAP_IRQ 866 select MFD_CORE 867 help 868 This supports for Marvell 88PM805 Power Management IC. This includes 869 the I2C driver and the core APIs _only_, you have to select individual 870 components like codec device, headset/Mic device under the 871 corresponding menus. 872 873config MFD_88PM860X 874 bool "Marvell 88PM8606/88PM8607" 875 depends on I2C=y 876 select REGMAP_I2C 877 select MFD_CORE 878 help 879 This supports for Marvell 88PM8606/88PM8607 Power Management IC. 880 This includes the I2C driver and the core APIs _only_, you have to 881 select individual components like voltage regulators, RTC and 882 battery-charger under the corresponding menus. 883 884config MFD_88PM886_PMIC 885 bool "Marvell 88PM886 PMIC" 886 depends on I2C=y 887 depends on OF 888 select REGMAP_I2C 889 select REGMAP_IRQ 890 select MFD_CORE 891 help 892 This enables support for Marvell 88PM886 Power Management IC. 893 This includes the I2C driver and the core APIs _only_, you have to 894 select individual components like onkey under the corresponding menus. 895 896config MFD_MAX5970 897 tristate "Maxim 5970/5978 power switch and monitor" 898 depends on I2C && OF 899 select MFD_SIMPLE_MFD_I2C 900 help 901 This driver controls a Maxim 5970/5978 switch via I2C bus. 902 The MAX5970/5978 is a smart switch with no output regulation, but 903 fault protection and voltage and current monitoring capabilities. 904 Also it supports upto 4 indication leds. 905 906config MFD_MAX14577 907 tristate "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support" 908 depends on I2C 909 select MFD_CORE 910 select REGMAP_I2C 911 select REGMAP_IRQ 912 select IRQ_DOMAIN 913 help 914 Say yes here to add support for Maxim Semiconductor MAX14577 and 915 MAX77836 Micro-USB ICs with battery charger. 916 This driver provides common support for accessing the device; 917 additional drivers must be enabled in order to use the functionality 918 of the device. 919 920config MFD_MAX77541 921 tristate "Analog Devices MAX77541/77540 PMIC Support" 922 depends on I2C=y 923 select MFD_CORE 924 select REGMAP_I2C 925 select REGMAP_IRQ 926 help 927 Say yes here to add support for Analog Devices MAX77541 and 928 MAX77540 Power Management ICs. This driver provides 929 common support for accessing the device; additional drivers 930 must be enabled in order to use the functionality of the device. 931 There are regulators and adc. 932 933config MFD_MAX77620 934 tristate "Maxim Semiconductor MAX77620 and MAX20024 PMIC Support" 935 depends on I2C=y 936 depends on OF 937 select MFD_CORE 938 select REGMAP_I2C 939 select REGMAP_IRQ 940 select IRQ_DOMAIN 941 help 942 Say yes here to add support for Maxim Semiconductor MAX77620 and 943 MAX20024 which are Power Management IC with General purpose pins, 944 RTC, regulators, clock generator, watchdog etc. This driver 945 provides common support for accessing the device; additional drivers 946 must be enabled in order to use the functionality of the device. 947 948config MFD_MAX77650 949 tristate "Maxim MAX77650/77651 PMIC Support" 950 depends on I2C 951 depends on OF 952 select MFD_CORE 953 select REGMAP_I2C 954 select REGMAP_IRQ 955 help 956 Say Y here to add support for Maxim Semiconductor MAX77650 and 957 MAX77651 Power Management ICs. This is the core multifunction 958 driver for interacting with the device. The module name is 959 'max77650'. Additional drivers can be enabled in order to use 960 the following functionalities of the device: GPIO, regulator, 961 charger, LED, onkey. 962 963config MFD_MAX77686 964 tristate "Maxim Semiconductor MAX77686/802 PMIC Support" 965 depends on I2C 966 depends on OF 967 select MFD_CORE 968 select REGMAP_I2C 969 select REGMAP_IRQ 970 select IRQ_DOMAIN 971 help 972 Say yes here to add support for Maxim Semiconductor MAX77686 and 973 MAX77802 which are Power Management IC with an RTC on chip. 974 This driver provides common support for accessing the device; 975 additional drivers must be enabled in order to use the functionality 976 of the device. 977 978config MFD_MAX77693 979 tristate "Maxim Semiconductor MAX77693 PMIC Support" 980 depends on I2C 981 select MFD_CORE 982 select REGMAP_I2C 983 select REGMAP_IRQ 984 help 985 Say yes here to add support for Maxim Semiconductor MAX77693. 986 This is a companion Power Management IC with Flash, Haptic, Charger, 987 and MUIC(Micro USB Interface Controller) controls on chip. 988 This driver provides common support for accessing the device; 989 additional drivers must be enabled in order to use the functionality 990 of the device. 991 992config MFD_MAX77705 993 tristate "Maxim MAX77705 PMIC Support" 994 depends on I2C 995 select MFD_CORE 996 select MFD_SIMPLE_MFD_I2C 997 help 998 Say yes here to add support for Maxim Integrated MAX77705 PMIC. 999 This is a Power Management IC with Charger, safe LDOs, Flash, Haptic 1000 and MUIC controls on chip. 1001 This driver provides common support for accessing the device; 1002 additional drivers must be enabled in order to use the functionality 1003 of the device. 1004 1005config MFD_MAX77714 1006 tristate "Maxim Semiconductor MAX77714 PMIC Support" 1007 depends on I2C 1008 depends on OF 1009 select MFD_CORE 1010 select REGMAP_I2C 1011 help 1012 Say yes here to add support for Maxim Semiconductor MAX77714. 1013 This is a Power Management IC with 4 buck regulators, 9 1014 low-dropout regulators, 8 GPIOs, RTC, watchdog etc. This driver 1015 provides common support for accessing the device; additional 1016 drivers must be enabled in order to use each functionality of the 1017 device. 1018 1019config MFD_MAX77759 1020 tristate "Maxim Integrated MAX77759 PMIC" 1021 depends on I2C 1022 depends on OF 1023 select IRQ_DOMAIN 1024 select MFD_CORE 1025 select REGMAP_I2C 1026 select REGMAP_IRQ 1027 help 1028 Say yes here to add support for Maxim Integrated MAX77759. 1029 This is a companion Power Management IC for USB Type-C applications 1030 with Battery Charger, Fuel Gauge, temperature sensors, USB Type-C 1031 Port Controller (TCPC), NVMEM, and additional GPIO interfaces. 1032 This driver provides common support for accessing the device; 1033 additional drivers must be enabled in order to use the functionality 1034 of the device. 1035 1036 To compile this driver as a module, choose M here: the module will be 1037 called max77759. 1038 1039config MFD_MAX77843 1040 bool "Maxim Semiconductor MAX77843 PMIC Support" 1041 depends on I2C=y 1042 select MFD_CORE 1043 select REGMAP_I2C 1044 select REGMAP_IRQ 1045 help 1046 Say yes here to add support for Maxim Semiconductor MAX77843. 1047 This is companion Power Management IC with LEDs, Haptic, Charger, 1048 Fuel Gauge, MUIC(Micro USB Interface Controller) controls on chip. 1049 This driver provides common support for accessing the device; 1050 additional drivers must be enabled in order to use the functionality 1051 of the device. 1052 1053config MFD_MAX8907 1054 tristate "Maxim Semiconductor MAX8907 PMIC Support" 1055 select MFD_CORE 1056 depends on I2C 1057 select REGMAP_I2C 1058 select REGMAP_IRQ 1059 help 1060 Say yes here to add support for Maxim Semiconductor MAX8907. This is 1061 a Power Management IC. This driver provides common support for 1062 accessing the device; additional drivers must be enabled in order 1063 to use the functionality of the device. 1064 1065config MFD_MAX8925 1066 bool "Maxim Semiconductor MAX8925 PMIC Support" 1067 depends on I2C=y 1068 select MFD_CORE 1069 help 1070 Say yes here to add support for Maxim Semiconductor MAX8925. This is 1071 a Power Management IC. This driver provides common support for 1072 accessing the device, additional drivers must be enabled in order 1073 to use the functionality of the device. 1074 1075config MFD_MAX8997 1076 bool "Maxim Semiconductor MAX8997/8966 PMIC Support" 1077 depends on I2C=y 1078 select MFD_CORE 1079 select IRQ_DOMAIN 1080 help 1081 Say yes here to add support for Maxim Semiconductor MAX8997/8966. 1082 This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic, 1083 MUIC controls on chip. 1084 This driver provides common support for accessing the device; 1085 additional drivers must be enabled in order to use the functionality 1086 of the device. 1087 1088config MFD_MAX8998 1089 bool "Maxim Semiconductor MAX8998/National LP3974 PMIC Support" 1090 depends on I2C=y 1091 select MFD_CORE 1092 select IRQ_DOMAIN 1093 help 1094 Say yes here to add support for Maxim Semiconductor MAX8998 and 1095 National Semiconductor LP3974. This is a Power Management IC. 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_MT6360 1101 tristate "Mediatek MT6360 SubPMIC" 1102 select MFD_CORE 1103 select REGMAP_I2C 1104 select REGMAP_IRQ 1105 select CRC8 1106 depends on I2C 1107 help 1108 Say Y here to enable MT6360 PMU/PMIC/LDO functional support. 1109 PMU part includes Charger, Flashlight, RGB LED 1110 PMIC part includes 2-channel BUCKs and 2-channel LDOs 1111 LDO part includes 4-channel LDOs 1112 1113config MFD_MT6370 1114 tristate "MediaTek MT6370 SubPMIC" 1115 select MFD_CORE 1116 select REGMAP_I2C 1117 select REGMAP_IRQ 1118 depends on I2C 1119 help 1120 Say Y here to enable MT6370 SubPMIC functional support. 1121 It consists of a single cell battery charger with ADC monitoring, RGB 1122 LEDs, dual channel flashlight, WLED backlight driver, display bias 1123 voltage supply, one general purpose LDO, and the USB Type-C & PD 1124 controller complies with the latest USB Type-C and PD standards. 1125 1126 This driver can also be built as a module. If so, the module 1127 will be called "mt6370". 1128 1129config MFD_MT6397 1130 tristate "MediaTek MT6397 PMIC Support" 1131 select MFD_CORE 1132 select IRQ_DOMAIN 1133 help 1134 Say yes here to add support for MediaTek MT6397 PMIC. This is 1135 a Power Management IC. This driver provides common support for 1136 accessing the device; additional drivers must be enabled in order 1137 to use the functionality of the device. 1138 1139config MFD_MENF21BMC 1140 tristate "MEN 14F021P00 Board Management Controller Support" 1141 depends on I2C 1142 select MFD_CORE 1143 help 1144 Say yes here to add support for the MEN 14F021P00 BMC 1145 which is a Board Management Controller connected to the I2C bus. 1146 The device supports multiple sub-devices like LED, HWMON and WDT. 1147 This driver provides common support for accessing the devices; 1148 additional drivers must be enabled in order to use the 1149 functionality of the BMC device. 1150 1151 This driver can also be built as a module. If so the module 1152 will be called menf21bmc. 1153 1154config MFD_NCT6694 1155 tristate "Nuvoton NCT6694 support" 1156 select MFD_CORE 1157 depends on USB 1158 help 1159 This enables support for the Nuvoton USB device NCT6694, which shares 1160 peripherals. 1161 The Nuvoton NCT6694 is a peripheral expander with 16 GPIO chips, 1162 6 I2C controllers, 2 CANfd controllers, 2 Watchdog timers, ADC, 1163 PWM, and RTC. 1164 This driver provides core APIs to access the NCT6694 hardware 1165 monitoring and control features. 1166 Additional drivers must be enabled to utilize the specific 1167 functionalities of the device. 1168 1169config MFD_OCELOT 1170 tristate "Microsemi Ocelot External Control Support" 1171 depends on SPI_MASTER 1172 select MFD_CORE 1173 select REGMAP_SPI 1174 help 1175 Ocelot is a family of networking chips that support multiple ethernet 1176 and fibre interfaces. In addition to networking, they contain several 1177 other functions, including pinctrl, MDIO, and communication with 1178 external chips. While some chips have an internal processor capable of 1179 running an OS, others don't. All chips can be controlled externally 1180 through different interfaces, including SPI, I2C, and PCIe. 1181 1182 Say yes here to add support for Ocelot chips (VSC7511, VSC7512, 1183 VSC7513, VSC7514) controlled externally. 1184 1185 To compile this driver as a module, choose M here: the module will be 1186 called ocelot-soc. 1187 1188 If unsure, say N. 1189 1190config EZX_PCAP 1191 bool "Motorola EZXPCAP Support" 1192 depends on SPI_MASTER 1193 help 1194 This enables the PCAP ASIC present on EZX Phones. This is 1195 needed for MMC, TouchScreen, Sound, USB, etc.. 1196 1197config MFD_CPCAP 1198 tristate "Support for Motorola CPCAP" 1199 depends on SPI 1200 depends on OF 1201 select MFD_CORE 1202 select REGMAP_SPI 1203 select REGMAP_IRQ 1204 help 1205 Say yes here if you want to include driver for CPCAP. 1206 It is used on many Motorola phones and tablets as a PMIC. 1207 At least Motorola Droid 4 is known to use CPCAP. 1208 1209config MFD_VIPERBOARD 1210 tristate "Nano River Technologies Viperboard" 1211 select MFD_CORE 1212 depends on USB 1213 default n 1214 help 1215 Say yes here if you want support for Nano River Technologies 1216 Viperboard. 1217 There are mfd cell drivers available for i2c master, adc and 1218 both gpios found on the board. The spi part does not yet 1219 have a driver. 1220 You need to select the mfd cell drivers separately. 1221 The drivers do not support all features the board exposes. 1222 1223config MFD_NTXEC 1224 tristate "Netronix embedded controller (EC)" 1225 depends on OF 1226 depends on I2C 1227 select REGMAP_I2C 1228 select MFD_CORE 1229 help 1230 Say yes here if you want to support the embedded controller found in 1231 certain e-book readers designed by the original design manufacturer 1232 Netronix. 1233 1234config MFD_RETU 1235 tristate "Nokia Retu and Tahvo multi-function device" 1236 select MFD_CORE 1237 depends on I2C 1238 select REGMAP_IRQ 1239 help 1240 Retu and Tahvo are a multi-function devices found on Nokia 1241 Internet Tablets (770, N800 and N810). 1242 1243config MFD_PM8XXX 1244 tristate "Qualcomm PM8xxx PMIC chips driver" 1245 depends on ARM || HEXAGON || COMPILE_TEST 1246 select IRQ_DOMAIN_HIERARCHY 1247 select MFD_CORE 1248 select REGMAP 1249 help 1250 If you say yes to this option, support will be included for the 1251 built-in PM8xxx PMIC chips. 1252 1253 This is required if your board has a PM8xxx and uses its features, 1254 such as: MPPs, GPIOs, regulators, interrupts, and PWM. 1255 1256 Say M here if you want to include support for PM8xxx chips as a 1257 module. This will build a module called "pm8xxx-core". 1258 1259config MFD_QCOM_RPM 1260 tristate "Qualcomm Resource Power Manager (RPM)" 1261 depends on ARCH_QCOM && OF 1262 help 1263 If you say yes to this option, support will be included for the 1264 Resource Power Manager system found in the Qualcomm 8660, 8960 and 1265 8064 based devices. 1266 1267 This is required to access many regulators, clocks and bus 1268 frequencies controlled by the RPM on these devices. 1269 1270 Say M here if you want to include support for the Qualcomm RPM as a 1271 module. This will build a module called "qcom_rpm". 1272 1273config MFD_SPACEMIT_P1 1274 tristate "SpacemiT P1 PMIC" 1275 depends on ARCH_SPACEMIT || COMPILE_TEST 1276 depends on I2C 1277 select I2C_K1 1278 select MFD_SIMPLE_MFD_I2C 1279 help 1280 This option supports the I2C-based SpacemiT P1 PMIC, which 1281 contains regulators, a power switch, GPIOs, an RTC, and more. 1282 This option is selected when any of the supported sub-devices 1283 is configured. The basic functionality is implemented by the 1284 simple MFD I2C driver. 1285 1286config MFD_SPMI_PMIC 1287 tristate "Qualcomm SPMI PMICs" 1288 depends on ARCH_QCOM || COMPILE_TEST 1289 depends on OF 1290 depends on SPMI 1291 select REGMAP_SPMI 1292 help 1293 This enables support for the Qualcomm SPMI PMICs. 1294 These PMICs are currently used with the Snapdragon 800 series of 1295 SoCs. Note, that this will only be useful paired with descriptions 1296 of the independent functions as children nodes in the device tree. 1297 1298 Say M here if you want to include support for the SPMI PMIC 1299 series as a module. The module will be called "qcom-spmi-pmic". 1300 1301config MFD_SY7636A 1302 tristate "Silergy SY7636A voltage regulator" 1303 depends on I2C 1304 select MFD_SIMPLE_MFD_I2C 1305 help 1306 Enable support for Silergy SY7636A voltage regulator. 1307 1308 To enable support for building sub-devices as modules, 1309 choose M here. 1310 1311config MFD_RDC321X 1312 tristate "RDC R-321x southbridge" 1313 select MFD_CORE 1314 depends on PCI 1315 help 1316 Say yes here if you want to have support for the RDC R-321x SoC 1317 southbridge which provides access to GPIOs and Watchdog using the 1318 southbridge PCI device configuration space. 1319 1320config MFD_RT4831 1321 tristate "Richtek RT4831 four channel WLED and Display Bias Voltage" 1322 depends on I2C 1323 select MFD_CORE 1324 select REGMAP_I2C 1325 help 1326 This enables support for the Richtek RT4831 that includes 4 channel 1327 WLED driving and Display Bias Voltage. It's commonly used to provide 1328 power to the LCD display and LCD backlight. 1329 1330config MFD_RT5033 1331 tristate "Richtek RT5033 Power Management IC" 1332 depends on I2C 1333 select MFD_CORE 1334 select REGMAP_I2C 1335 select REGMAP_IRQ 1336 help 1337 This driver provides for the Richtek RT5033 Power Management IC, 1338 which includes the I2C driver and the Core APIs. This driver provides 1339 common support for accessing the device. The device supports multiple 1340 sub-devices like charger, fuel gauge, flash LED, current source, 1341 LDO and Buck. 1342 1343config MFD_RT5120 1344 tristate "Richtek RT5120 Power Management IC" 1345 depends on I2C 1346 select MFD_CORE 1347 select REGMAP_I2C 1348 select REGMAP_IRQ 1349 help 1350 The enables support for Richtek RT5120 PMIC. It includes four high 1351 efficiency buck converters and one LDO voltage regulator. The device 1352 is targeted at providing the CPU voltage, memory, I/O and peripheral 1353 power rails in home entertainment devices. 1354 1355config MFD_RC5T583 1356 bool "Ricoh RC5T583 Power Management system device" 1357 depends on I2C=y 1358 select MFD_CORE 1359 select REGMAP_I2C 1360 help 1361 Select this option to get support for the RICOH583 Power 1362 Management system device. 1363 This driver provides common support for accessing the device 1364 through i2c interface. The device supports multiple sub-devices 1365 like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey. 1366 Additional drivers must be enabled in order to use the 1367 different functionality of the device. 1368 1369config MFD_RK8XX 1370 tristate 1371 select MFD_CORE 1372 1373config MFD_RK8XX_I2C 1374 tristate "Rockchip RK805/RK808/RK809/RK816/RK817/RK818 Power Management Chip" 1375 depends on I2C && OF 1376 select MFD_CORE 1377 select REGMAP_I2C 1378 select REGMAP_IRQ 1379 select MFD_RK8XX 1380 help 1381 If you say yes here you get support for the RK805, RK808, RK809, 1382 RK816, RK817 and RK818 Power Management chips. 1383 This driver provides common support for accessing the device 1384 through I2C interface. The device supports multiple sub-devices 1385 including interrupts, RTC, LDO & DCDC regulators, and onkey. 1386 1387config MFD_RK8XX_SPI 1388 tristate "Rockchip RK806 Power Management Chip" 1389 depends on SPI && OF 1390 select MFD_CORE 1391 select REGMAP_SPI 1392 select REGMAP_IRQ 1393 select MFD_RK8XX 1394 help 1395 If you say yes here you get support for the RK806 Power Management 1396 chip. 1397 This driver provides common support for accessing the device 1398 through an SPI interface. The device supports multiple sub-devices 1399 including interrupts, LDO & DCDC regulators, and power on-key. 1400 1401config MFD_RN5T618 1402 tristate "Ricoh RN5T567/618 PMIC" 1403 depends on I2C 1404 depends on OF 1405 select MFD_CORE 1406 select REGMAP_I2C 1407 select REGMAP_IRQ 1408 help 1409 Say yes here to add support for the Ricoh RN5T567, 1410 RN5T618, RC5T619 PMIC. 1411 This driver provides common support for accessing the device, 1412 additional drivers must be enabled in order to use the 1413 functionality of the device. 1414 1415config MFD_SEC_CORE 1416 tristate 1417 select MFD_CORE 1418 select REGMAP_IRQ 1419 1420config MFD_SEC_ACPM 1421 tristate "Samsung Electronics S2MPG1x PMICs" 1422 depends on EXYNOS_ACPM_PROTOCOL 1423 depends on OF 1424 select MFD_SEC_CORE 1425 help 1426 Support for the Samsung Electronics PMICs with ACPM interface. 1427 This is a Power Management IC for mobile applications with buck 1428 converters, various LDOs, power meters, RTC, clock outputs, and 1429 additional GPIOs interfaces. 1430 This driver provides common support for accessing the device; 1431 additional drivers must be enabled in order to use the functionality 1432 of the device. 1433 1434 To compile this driver as a module, choose M here: the module will be 1435 called sec-acpm. 1436 1437config MFD_SEC_I2C 1438 tristate "Samsung Electronics S2MPA/S2MPS1X/S2MPU/S5M series PMICs" 1439 depends on I2C=y 1440 depends on OF 1441 select MFD_SEC_CORE 1442 select REGMAP_I2C 1443 help 1444 Support for the Samsung Electronics PMIC devices with I2C interface 1445 coming usually along with Samsung Exynos SoC chipset. 1446 This driver provides common support for accessing the device, 1447 additional drivers must be enabled in order to use the functionality 1448 of the device. 1449 1450 To compile this driver as a module, choose M here: the 1451 module will be called sec-i2c. 1452 Have in mind that important core drivers (like regulators) depend 1453 on this driver so building this as a module might require proper 1454 initial ramdisk or might not boot up as well in certain scenarios. 1455 1456config MFD_SI476X_CORE 1457 tristate "Silicon Laboratories 4761/64/68 AM/FM radio." 1458 depends on I2C 1459 depends on GPIOLIB_LEGACY 1460 select MFD_CORE 1461 select REGMAP_I2C 1462 help 1463 This is the core driver for the SI476x series of AM/FM 1464 radio. This MFD driver connects the radio-si476x V4L2 module 1465 and the si476x audio codec. 1466 1467 To compile this driver as a module, choose M here: the 1468 module will be called si476x-core. 1469 1470config MFD_SIMPLE_MFD_I2C 1471 tristate 1472 depends on I2C 1473 select MFD_CORE 1474 select REGMAP_I2C 1475 help 1476 This driver creates a single register map with the intention for it 1477 to be shared by all sub-devices. 1478 1479 Once the register map has been successfully initialised, any 1480 sub-devices represented by child nodes in Device Tree will be 1481 subsequently registered. 1482 1483config MFD_SL28CPLD 1484 tristate "Kontron sl28cpld Board Management Controller" 1485 depends on I2C 1486 depends on ARCH_LAYERSCAPE || COMPILE_TEST 1487 select MFD_SIMPLE_MFD_I2C 1488 help 1489 Say yes here to enable support for the Kontron sl28cpld board 1490 management controller. 1491 1492 It can be found on the following boards: 1493 * SMARC-sAL28 1494 1495config MFD_SM501 1496 tristate "Silicon Motion SM501" 1497 depends on HAS_DMA 1498 help 1499 This is the core driver for the Silicon Motion SM501 multimedia 1500 companion chip. This device is a multifunction device which may 1501 provide numerous interfaces including USB host controller, USB gadget, 1502 asynchronous serial ports, audio functions, and a dual display video 1503 interface. The device may be connected by PCI or local bus with 1504 varying functions enabled. 1505 1506config MFD_SM501_GPIO 1507 bool "Export GPIO via GPIO layer" 1508 depends on MFD_SM501 && GPIOLIB 1509 help 1510 This option uses the gpio library layer to export the 64 GPIO 1511 lines on the SM501. The platform data is used to supply the 1512 base number for the first GPIO line to register. 1513 1514config MFD_SKY81452 1515 tristate "Skyworks Solutions SKY81452" 1516 select MFD_CORE 1517 select REGMAP_I2C 1518 depends on I2C 1519 help 1520 This is the core driver for the Skyworks SKY81452 backlight and 1521 voltage regulator device. 1522 1523 This driver can also be built as a module. If so, the module 1524 will be called sky81452. 1525 1526config MFD_SC27XX_PMIC 1527 tristate "Spreadtrum SC27xx PMICs" 1528 depends on ARCH_SPRD || COMPILE_TEST 1529 depends on SPI_MASTER 1530 select MFD_CORE 1531 select REGMAP_SPI 1532 select REGMAP_IRQ 1533 help 1534 This enables support for the Spreadtrum SC27xx PMICs with SPI 1535 interface. The SC27xx series PMICs integrate power management, 1536 audio codec, battery management and user interface support 1537 function (such as RTC, Typec, indicator and so on) in a single chip. 1538 1539 This driver provides common support for accessing the SC27xx PMICs, 1540 and it also adds the irq_chip parts for handling the PMIC chip events. 1541 1542config RZ_MTU3 1543 tristate "Renesas RZ/G2L MTU3a core driver" 1544 depends on (ARCH_RZG2L && OF) || COMPILE_TEST 1545 select MFD_CORE 1546 help 1547 Select this option to enable Renesas RZ/G2L MTU3a core driver for 1548 the Multi-Function Timer Pulse Unit 3 (MTU3a) hardware available 1549 on SoCs from Renesas. The core driver shares the clk and channel 1550 register access for the other child devices like Counter, PWM, 1551 Clock Source, and Clock event. 1552 1553config ABX500_CORE 1554 bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions" 1555 depends on ARCH_U8500 || COMPILE_TEST 1556 default y if ARCH_U8500 1557 help 1558 Say yes here if you have the ABX500 Mixed Signal IC family 1559 chips. This core driver expose register access functions. 1560 Functionality specific drivers using these functions can 1561 remain unchanged when IC changes. Binding of the functions to 1562 actual register access is done by the IC core driver. 1563 1564config AB8500_CORE 1565 bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" 1566 depends on ABX500_CORE && MFD_DB8500_PRCMU 1567 select POWER_SUPPLY 1568 select MFD_CORE 1569 select IRQ_DOMAIN 1570 help 1571 Select this option to enable access to AB8500 power management 1572 chip. This connects to U8500 either on the SSP/SPI bus (deprecated 1573 since hardware version v1.0) or the I2C bus via PRCMU. It also adds 1574 the irq_chip parts for handling the Mixed Signal chip events. 1575 This chip embeds various other multimedia functionalities as well. 1576 1577config MFD_DB8500_PRCMU 1578 bool "ST-Ericsson DB8500 Power Reset Control Management Unit" 1579 depends on UX500_SOC_DB8500 1580 select MFD_CORE 1581 help 1582 Select this option to enable support for the DB8500 Power Reset 1583 and Control Management Unit. This is basically an autonomous 1584 system controller running an XP70 microprocessor, which is accessed 1585 through a register map. 1586 1587config MFD_STMPE 1588 tristate "STMicroelectronics STMPE" 1589 depends on I2C || SPI_MASTER 1590 depends on OF 1591 select MFD_CORE 1592 help 1593 Support for the STMPE family of I/O Expanders from 1594 STMicroelectronics. 1595 1596 Currently supported devices are: 1597 1598 STMPE811: GPIO, Touchscreen, ADC 1599 STMPE1601: GPIO, Keypad 1600 STMPE1801: GPIO, Keypad 1601 STMPE2401: GPIO, Keypad 1602 STMPE2403: GPIO, Keypad 1603 1604 This driver provides common support for accessing the device, 1605 additional drivers must be enabled in order to use the functionality 1606 of the device. Currently available sub drivers are: 1607 1608 GPIO: stmpe-gpio 1609 Keypad: stmpe-keypad 1610 Touchscreen: stmpe-ts 1611 ADC: stmpe-adc 1612 1613menu "STMicroelectronics STMPE Interface Drivers" 1614depends on MFD_STMPE 1615 1616config STMPE_I2C 1617 tristate "STMicroelectronics STMPE I2C Interface" 1618 depends on I2C 1619 default y 1620 help 1621 This is used to enable I2C interface of STMPE 1622 1623config STMPE_SPI 1624 tristate "STMicroelectronics STMPE SPI Interface" 1625 depends on SPI_MASTER 1626 help 1627 This is used to enable SPI interface of STMPE 1628endmenu 1629 1630config MFD_SUN6I_PRCM 1631 bool "Allwinner A31/A23/A33 PRCM controller" 1632 depends on ARCH_SUNXI || COMPILE_TEST 1633 select MFD_CORE 1634 help 1635 Support for the PRCM (Power/Reset/Clock Management) unit available 1636 in the A31, A23, and A33 SoCs. Other Allwinner SoCs contain similar 1637 hardware, but they do not use this driver. 1638 1639config MFD_SYSCON 1640 bool "System Controller Register R/W Based on Regmap" 1641 select REGMAP_MMIO 1642 help 1643 Select this option to enable accessing system control registers 1644 via regmap. 1645 1646config MFD_TI_AM335X_TSCADC 1647 tristate "TI ADC / Touch Screen chip support" 1648 depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST 1649 select MFD_CORE 1650 select REGMAP 1651 select REGMAP_MMIO 1652 help 1653 If you say yes here you get support for Texas Instruments series 1654 of Touch Screen /ADC chips. 1655 To compile this driver as a module, choose M here: the 1656 module will be called ti_am335x_tscadc. 1657 1658config MFD_LP3943 1659 tristate "TI/National Semiconductor LP3943 MFD Driver" 1660 depends on I2C 1661 select MFD_CORE 1662 select REGMAP_I2C 1663 help 1664 Support for the TI/National Semiconductor LP3943. 1665 This driver consists of GPIO and PWM drivers. 1666 With these functionalities, it can be used for LED string control or 1667 general usage such like a GPIO controller and a PWM controller. 1668 1669config MFD_LP8788 1670 bool "TI LP8788 Power Management Unit Driver" 1671 depends on I2C=y 1672 select MFD_CORE 1673 select REGMAP_I2C 1674 select IRQ_DOMAIN 1675 help 1676 TI LP8788 PMU supports regulators, battery charger, RTC, 1677 ADC, backlight driver and current sinks. 1678 1679config MFD_TI_LMU 1680 tristate "TI Lighting Management Unit driver" 1681 depends on I2C 1682 select MFD_CORE 1683 select REGMAP_I2C 1684 help 1685 Say yes here to enable support for TI LMU chips. 1686 TI LMU MFD supports LM3532, LM3631, LM3632, LM3633, LM3695 and 1687 LM36274. It consists of backlight, LED and regulator driver. 1688 It provides consistent device controls for lighting functions. 1689 1690config MFD_BQ257XX 1691 tristate "TI BQ257XX Buck/Boost Charge Controller" 1692 depends on I2C 1693 select MFD_CORE 1694 select REGMAP_I2C 1695 help 1696 Support Texas Instruments BQ25703 Buck/Boost converter with 1697 charge controller. It consists of regulators that provide 1698 system voltage and OTG voltage, and a charger manager for 1699 batteries containing one or more cells. 1700 1701config MFD_OMAP_USB_HOST 1702 bool "TI OMAP USBHS core and TLL driver" 1703 depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3 1704 depends on COMMON_CLK 1705 default y 1706 help 1707 This is the core driver for the OAMP EHCI and OHCI drivers. 1708 This MFD driver does the required setup functionalities for 1709 OMAP USB Host drivers. 1710 1711config MFD_PALMAS 1712 tristate "TI Palmas series chips" 1713 select MFD_CORE 1714 select REGMAP_I2C 1715 select REGMAP_IRQ 1716 depends on I2C=y 1717 help 1718 If you say yes here you get support for the Palmas 1719 series of PMIC chips from Texas Instruments. 1720 1721config TPS6105X 1722 tristate "TI TPS61050/61052 Boost Converters" 1723 depends on I2C 1724 select REGMAP_I2C 1725 select REGULATOR 1726 select MFD_CORE 1727 select REGULATOR_FIXED_VOLTAGE 1728 help 1729 This option enables a driver for the TP61050/TPS61052 1730 high-power "white LED driver". This boost converter is 1731 sometimes used for other things than white LEDs, and 1732 also contains a GPIO pin. 1733 1734config TPS65010 1735 tristate "TI TPS6501x Power Management chips" 1736 depends on I2C && GPIOLIB 1737 default MACH_OMAP_OSK 1738 help 1739 If you say yes here you get support for the TPS6501x series of 1740 Power Management chips. These include voltage regulators, 1741 lithium ion/polymer battery charging, and other features that 1742 are often used in portable devices like cell phones and cameras. 1743 1744 This driver can also be built as a module. If so, the module 1745 will be called tps65010. 1746 1747config TPS6507X 1748 tristate "TI TPS6507x Power Management / Touch Screen chips" 1749 select MFD_CORE 1750 depends on I2C 1751 help 1752 If you say yes here you get support for the TPS6507x series of 1753 Power Management / Touch Screen chips. These include voltage 1754 regulators, lithium ion/polymer battery charging, touch screen 1755 and other features that are often used in portable devices. 1756 This driver can also be built as a module. If so, the module 1757 will be called tps6507x. 1758 1759config MFD_TPS65086 1760 tristate "TI TPS65086 Power Management Integrated Chips (PMICs)" 1761 select MFD_CORE 1762 select REGMAP 1763 select REGMAP_IRQ 1764 select REGMAP_I2C 1765 depends on I2C 1766 help 1767 If you say yes here you get support for the TPS65086 series of 1768 Power Management chips. 1769 This driver provides common support for accessing the device, 1770 additional drivers must be enabled in order to use the 1771 functionality of the device. 1772 1773config TPS65911_COMPARATOR 1774 tristate 1775 1776config MFD_TPS65090 1777 bool "TI TPS65090 Power Management chips" 1778 depends on I2C=y 1779 select MFD_CORE 1780 select REGMAP_I2C 1781 select REGMAP_IRQ 1782 help 1783 If you say yes here you get support for the TPS65090 series of 1784 Power Management chips. 1785 This driver provides common support for accessing the device, 1786 additional drivers must be enabled in order to use the 1787 functionality of the device. 1788 1789config MFD_TPS65217 1790 tristate "TI TPS65217 Power Management / White LED chips" 1791 depends on I2C && OF 1792 select MFD_CORE 1793 select REGMAP_I2C 1794 select IRQ_DOMAIN 1795 help 1796 If you say yes here you get support for the TPS65217 series of 1797 Power Management / White LED chips. 1798 These include voltage regulators, lithium ion/polymer battery 1799 charger, wled and other features that are often used in portable 1800 devices. 1801 1802 This driver can also be built as a module. If so, the module 1803 will be called tps65217. 1804 1805config MFD_TI_LP873X 1806 tristate "TI LP873X Power Management IC" 1807 depends on I2C 1808 select MFD_CORE 1809 select REGMAP_I2C 1810 help 1811 If you say yes here then you get support for the LP873X series of 1812 Power Management Integrated Circuits (PMIC). 1813 These include voltage regulators, thermal protection, configurable 1814 General Purpose Outputs (GPO) that are used in portable devices. 1815 1816 This driver can also be built as a module. If so, the module 1817 will be called lp873x. 1818 1819config MFD_TI_LP87565 1820 tristate "TI LP87565 Power Management IC" 1821 depends on I2C && OF 1822 select MFD_CORE 1823 select REGMAP_I2C 1824 help 1825 If you say yes here then you get support for the LP87565 series of 1826 Power Management Integrated Circuits (PMIC). 1827 These include voltage regulators, thermal protection, configurable 1828 General Purpose Outputs (GPO) that are used in portable devices. 1829 1830 This driver can also be built as a module. If so, the module 1831 will be called lp87565. 1832 1833config MFD_TPS65218 1834 tristate "TI TPS65218 Power Management chips" 1835 depends on I2C && OF 1836 select MFD_CORE 1837 select REGMAP_I2C 1838 select REGMAP_IRQ 1839 help 1840 If you say yes here you get support for the TPS65218 series of 1841 Power Management chips. 1842 These include voltage regulators, gpio and other features 1843 that are often used in portable devices. 1844 1845 This driver can also be built as a module. If so, the module 1846 will be called tps65218. 1847 1848config MFD_TPS65219 1849 tristate "TI TPS65219 Power Management IC" 1850 depends on I2C && OF 1851 select MFD_CORE 1852 select REGMAP_I2C 1853 select REGMAP_IRQ 1854 help 1855 If you say yes here you get support for the TPS65219 series of Power 1856 Management ICs. These include voltage regulators, GPIOs and 1857 push/power button that is often used in portable devices. 1858 1859 This driver can also be built as a module. If so, the module 1860 will be called tps65219. 1861 1862config MFD_TPS6586X 1863 bool "TI TPS6586x Power Management chips" 1864 depends on I2C=y 1865 select MFD_CORE 1866 select REGMAP_I2C 1867 help 1868 If you say yes here you get support for the TPS6586X series of 1869 Power Management chips. 1870 This driver provides common support for accessing the device, 1871 additional drivers must be enabled in order to use the 1872 functionality of the device. 1873 1874 This driver can also be built as a module. If so, the module 1875 will be called tps6586x. 1876 1877config MFD_TPS65910 1878 bool "TI TPS65910 Power Management chip" 1879 depends on I2C=y 1880 depends on GPIOLIB || COMPILE_TEST 1881 select MFD_CORE 1882 select REGMAP_I2C 1883 select REGMAP_IRQ 1884 select IRQ_DOMAIN 1885 help 1886 if you say yes here you get support for the TPS65910 series of 1887 Power Management chips. 1888 1889config MFD_TPS65912 1890 tristate 1891 select MFD_CORE 1892 select REGMAP 1893 select REGMAP_IRQ 1894 1895config MFD_TPS65912_I2C 1896 tristate "TI TPS65912 Power Management chip with I2C" 1897 select MFD_TPS65912 1898 select REGMAP_I2C 1899 depends on I2C 1900 help 1901 If you say yes here you get support for the TPS65912 series of 1902 PM chips with I2C interface. 1903 1904config MFD_TPS65912_SPI 1905 tristate "TI TPS65912 Power Management chip with SPI" 1906 select MFD_TPS65912 1907 select REGMAP_SPI 1908 depends on SPI_MASTER 1909 help 1910 If you say yes here you get support for the TPS65912 series of 1911 PM chips with SPI interface. 1912 1913config MFD_TPS6594 1914 tristate 1915 select MFD_CORE 1916 select REGMAP 1917 select REGMAP_IRQ 1918 1919config MFD_TPS6594_I2C 1920 tristate "TI TPS6594 Power Management chip with I2C" 1921 select MFD_TPS6594 1922 select REGMAP_I2C 1923 select CRC8 1924 depends on I2C 1925 help 1926 If you say yes here you get support for the TPS6594 series of 1927 PM chips with I2C interface. 1928 1929 This driver can also be built as a module. If so, the module 1930 will be called tps6594-i2c. 1931 1932config MFD_TPS6594_SPI 1933 tristate "TI TPS6594 Power Management chip with SPI" 1934 select MFD_TPS6594 1935 select REGMAP_SPI 1936 select CRC8 1937 depends on SPI_MASTER 1938 help 1939 If you say yes here you get support for the TPS6594 series of 1940 PM chips with SPI interface. 1941 1942 This driver can also be built as a module. If so, the module 1943 will be called tps6594-spi. 1944 1945config TWL4030_CORE 1946 bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support" 1947 depends on I2C=y 1948 select IRQ_DOMAIN 1949 select MFD_CORE 1950 select REGMAP_I2C 1951 help 1952 Say yes here if you have TWL4030 / TWL6030 family chip on your board. 1953 This core driver provides register access and IRQ handling 1954 facilities, and registers devices for the various functions 1955 so that function-specific drivers can bind to them. 1956 1957 These multi-function chips are found on many OMAP2 and OMAP3 1958 boards, providing power management, RTC, GPIO, keypad, a 1959 high speed USB OTG transceiver, an audio codec (on most 1960 versions) and many other features. 1961 1962config TWL4030_POWER 1963 bool "TI TWL4030 power resources" 1964 depends on TWL4030_CORE && ARM 1965 help 1966 Say yes here if you want to use the power resources on the 1967 TWL4030 family chips. Most of these resources are regulators, 1968 which have a separate driver; some are control signals, such 1969 as clock request handshaking. 1970 1971 This driver uses board-specific data to initialize the resources 1972 and load scripts controlling which resources are switched off/on 1973 or reset when a sleep, wakeup or warm reset event occurs. 1974 1975config MFD_TWL4030_AUDIO 1976 bool "TI TWL4030 Audio" 1977 depends on TWL4030_CORE 1978 select MFD_CORE 1979 default n 1980 1981config TWL6040_CORE 1982 bool "TI TWL6040 audio codec" 1983 depends on I2C=y 1984 select MFD_CORE 1985 select REGMAP_I2C 1986 select REGMAP_IRQ 1987 default n 1988 help 1989 Say yes here if you want support for Texas Instruments TWL6040 audio 1990 codec. 1991 This driver provides common support for accessing the device, 1992 additional drivers must be enabled in order to use the 1993 functionality of the device (audio, vibra). 1994 1995config MENELAUS 1996 bool "TI TWL92330/Menelaus PM chip" 1997 depends on I2C=y && ARCH_OMAP2 1998 help 1999 If you say yes here you get support for the Texas Instruments 2000 TWL92330/Menelaus Power Management chip. This include voltage 2001 regulators, Dual slot memory card transceivers, real-time clock 2002 and other features that are often used in portable devices like 2003 cell phones and PDAs. 2004 2005config MFD_WL1273_CORE 2006 tristate "TI WL1273 FM radio" 2007 depends on I2C 2008 select MFD_CORE 2009 default n 2010 help 2011 This is the core driver for the TI WL1273 FM radio. This MFD 2012 driver connects the radio-wl1273 V4L2 module and the wl1273 2013 audio codec. 2014 2015config MFD_LM3533 2016 tristate "TI/National Semiconductor LM3533 Lighting Power chip" 2017 depends on I2C 2018 select MFD_CORE 2019 select REGMAP_I2C 2020 help 2021 Say yes here to enable support for National Semiconductor / TI 2022 LM3533 Lighting Power chips. 2023 2024 This driver provides common support for accessing the device; 2025 additional drivers must be enabled in order to use the LED, 2026 backlight or ambient-light-sensor functionality of the device. 2027 2028config MFD_TIMBERDALE 2029 tristate "Timberdale FPGA" 2030 select MFD_CORE 2031 depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST) 2032 help 2033 This is the core driver for the timberdale FPGA. This device is a 2034 multifunction device which exposes numerous platform devices. 2035 2036 The timberdale FPGA can be found on the Intel Atom development board 2037 for in-vehicle infotainment, called Russellville. 2038 2039config MFD_TC3589X 2040 bool "Toshiba TC35892 and variants" 2041 depends on I2C=y 2042 depends on OF 2043 select MFD_CORE 2044 help 2045 Support for the Toshiba TC35892 and variants I/O Expander. 2046 2047 This driver provides common support for accessing the device, 2048 additional drivers must be enabled in order to use the 2049 functionality of the device. 2050 2051config MFD_TQMX86 2052 tristate "TQ-Systems IO controller TQMX86" 2053 select MFD_CORE 2054 help 2055 Say yes here to enable support for various functions of the 2056 TQ-Systems IO controller and watchdog device, found on their 2057 ComExpress CPU modules. 2058 2059config MFD_VX855 2060 tristate "VIA VX855/VX875 integrated south bridge" 2061 depends on PCI 2062 select MFD_CORE 2063 help 2064 Say yes here to enable support for various functions of the 2065 VIA VX855/VX875 south bridge. You will need to enable the vx855_spi 2066 and/or vx855_gpio drivers for this to do anything useful. 2067 2068config MFD_ARIZONA 2069 select REGMAP 2070 select REGMAP_IRQ 2071 select MFD_CORE 2072 tristate 2073 2074config MFD_ARIZONA_I2C 2075 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C" 2076 select MFD_ARIZONA 2077 select REGMAP_I2C 2078 depends on I2C 2079 help 2080 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform 2081 audio SoC core functionality controlled via I2C. 2082 2083config MFD_ARIZONA_SPI 2084 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with SPI" 2085 select MFD_ARIZONA 2086 select REGMAP_SPI 2087 depends on SPI_MASTER 2088 help 2089 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform 2090 audio SoC core functionality controlled via SPI. 2091 2092config MFD_CS47L24 2093 bool "Cirrus Logic CS47L24 and WM1831" 2094 depends on MFD_ARIZONA 2095 help 2096 Support for Cirrus Logic CS47L24 and WM1831 low power audio SoC 2097 2098config MFD_WM5102 2099 bool "Wolfson Microelectronics WM5102" 2100 depends on MFD_ARIZONA 2101 help 2102 Support for Wolfson Microelectronics WM5102 low power audio SoC 2103 2104config MFD_WM5110 2105 bool "Wolfson Microelectronics WM5110 and WM8280/WM8281" 2106 depends on MFD_ARIZONA 2107 help 2108 Support for Wolfson Microelectronics WM5110 and WM8280/WM8281 2109 low power audio SoC 2110 2111config MFD_WM8997 2112 bool "Wolfson Microelectronics WM8997" 2113 depends on MFD_ARIZONA 2114 help 2115 Support for Wolfson Microelectronics WM8997 low power audio SoC 2116 2117config MFD_WM8998 2118 bool "Wolfson Microelectronics WM8998" 2119 depends on MFD_ARIZONA 2120 help 2121 Support for Wolfson Microelectronics WM8998 low power audio SoC 2122 2123config MFD_WM8400 2124 bool "Wolfson Microelectronics WM8400" 2125 select MFD_CORE 2126 depends on I2C=y 2127 select REGMAP_I2C 2128 help 2129 Support for the Wolfson Microelecronics WM8400 PMIC and audio 2130 CODEC. This driver provides common support for accessing 2131 the device, additional drivers must be enabled in order to use 2132 the functionality of the device. 2133 2134config MFD_WM831X 2135 bool 2136 2137config MFD_WM831X_I2C 2138 bool "Wolfson Microelectronics WM831x/2x PMICs with I2C" 2139 select MFD_CORE 2140 select MFD_WM831X 2141 select REGMAP_I2C 2142 select IRQ_DOMAIN 2143 depends on I2C=y 2144 help 2145 Support for the Wolfson Microelecronics WM831x and WM832x PMICs 2146 when controlled using I2C. This driver provides common support 2147 for accessing the device, additional drivers must be enabled in 2148 order to use the functionality of the device. 2149 2150config MFD_WM831X_SPI 2151 bool "Wolfson Microelectronics WM831x/2x PMICs with SPI" 2152 select MFD_CORE 2153 select MFD_WM831X 2154 select REGMAP_SPI 2155 select IRQ_DOMAIN 2156 depends on SPI_MASTER 2157 help 2158 Support for the Wolfson Microelecronics WM831x and WM832x PMICs 2159 when controlled using SPI. This driver provides common support 2160 for accessing the device, additional drivers must be enabled in 2161 order to use the functionality of the device. 2162 2163config MFD_WM8350 2164 bool 2165 2166config MFD_WM8350_I2C 2167 bool "Wolfson Microelectronics WM8350 with I2C" 2168 select MFD_WM8350 2169 select REGMAP_I2C 2170 depends on I2C=y 2171 help 2172 The WM8350 is an integrated audio and power management 2173 subsystem with watchdog and RTC functionality for embedded 2174 systems. This option enables core support for the WM8350 with 2175 I2C as the control interface. Additional options must be 2176 selected to enable support for the functionality of the chip. 2177 2178config MFD_WM8994 2179 tristate "Wolfson Microelectronics WM8994" 2180 select MFD_CORE 2181 select REGMAP_I2C 2182 select REGMAP_IRQ 2183 depends on I2C 2184 help 2185 The WM8994 is a highly integrated hi-fi CODEC designed for 2186 smartphone applications. As well as audio functionality it 2187 has on board GPIO and regulator functionality which is 2188 supported via the relevant subsystems. This driver provides 2189 core support for the WM8994, in order to use the actual 2190 functionality of the device other drivers must be enabled. 2191 2192config MFD_WM97xx 2193 tristate "Wolfson Microelectronics WM97xx" 2194 select MFD_CORE 2195 select REGMAP_AC97 2196 select AC97_BUS_COMPAT 2197 depends on AC97_BUS_NEW 2198 help 2199 The WM9705, WM9712 and WM9713 is a highly integrated hi-fi CODEC 2200 designed for smartphone applications. As well as audio functionality 2201 it has on board GPIO and a touchscreen functionality which is 2202 supported via the relevant subsystems. This driver provides core 2203 support for the WM97xx, in order to use the actual functionality of 2204 the device other drivers must be enabled. 2205 2206config MFD_STW481X 2207 tristate "Support for ST Microelectronics STw481x" 2208 depends on I2C && (ARCH_NOMADIK || COMPILE_TEST) 2209 select REGMAP_I2C 2210 select MFD_CORE 2211 help 2212 Select this option to enable the STw481x chip driver used 2213 in various ST Microelectronics and ST-Ericsson embedded 2214 Nomadik series. 2215 2216config MFD_ROHM_BD718XX 2217 tristate "ROHM BD71837 Power Management IC" 2218 depends on I2C=y 2219 depends on OF 2220 select REGMAP_I2C 2221 select REGMAP_IRQ 2222 select MFD_CORE 2223 help 2224 Select this option to get support for the ROHM BD71837 2225 Power Management ICs. BD71837 is designed to power processors like 2226 NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring 2227 and emergency shut down as well as 32,768KHz clock output. 2228 2229config MFD_ROHM_BD71828 2230 tristate "ROHM BD71828 and BD71815 Power Management IC" 2231 depends on I2C=y 2232 depends on OF 2233 select REGMAP_I2C 2234 select REGMAP_IRQ 2235 select MFD_CORE 2236 help 2237 Select this option to get support for the ROHM BD71828 and BD71815 2238 Power Management ICs. BD71828GW and BD71815AGW are single-chip power 2239 management ICs mainly for battery-powered portable devices. 2240 The BD71828 integrates 7 buck converters and 7 LDOs. The BD71815 2241 has 5 bucks, 7 LDOs, and a boost for driving LEDs. Both ICs provide 2242 also a single-cell linear charger, a Coulomb counter, a real-time 2243 clock (RTC), GPIOs and a 32.768 kHz clock gate. 2244 2245config MFD_ROHM_BD957XMUF 2246 tristate "ROHM BD9576MUF and BD9573MUF Power Management ICs" 2247 depends on I2C=y 2248 depends on OF 2249 select REGMAP_I2C 2250 select REGMAP_IRQ 2251 select MFD_CORE 2252 help 2253 Select this option to get support for the ROHM BD9576MUF and 2254 BD9573MUF Power Management ICs. BD9576 and BD9573 are primarily 2255 designed to be used to power R-Car series processors. 2256 2257config MFD_ROHM_BD96801 2258 tristate "ROHM BD96801 Power Management IC" 2259 depends on I2C=y 2260 depends on OF 2261 select REGMAP_I2C 2262 select REGMAP_IRQ 2263 select MFD_CORE 2264 help 2265 Select this option to get support for the ROHM BD96801 Power 2266 Management IC. The ROHM BD96801 is a highly scalable Power Management 2267 IC for industrial and automotive use. The BD96801 can be used as a 2268 master PMIC in a chained PMIC solution with suitable companion PMICs. 2269 2270config MFD_STM32_LPTIMER 2271 tristate "Support for STM32 Low-Power Timer" 2272 depends on (ARCH_STM32 && OF) || COMPILE_TEST 2273 select MFD_CORE 2274 select REGMAP 2275 select REGMAP_MMIO 2276 help 2277 Select this option to enable STM32 Low-Power Timer driver 2278 used for PWM, IIO Trigger, IIO Encoder and Counter. Shared 2279 resources are also dealt with here. 2280 2281 To compile this driver as a module, choose M here: the 2282 module will be called stm32-lptimer. 2283 2284config MFD_STM32_TIMERS 2285 tristate "Support for STM32 Timers" 2286 depends on (ARCH_STM32 && OF) || COMPILE_TEST 2287 select MFD_CORE 2288 select REGMAP 2289 select REGMAP_MMIO 2290 help 2291 Select this option to enable STM32 timers driver used 2292 for PWM and IIO Timer. This driver allow to share the 2293 registers between the others drivers. 2294 2295config MFD_STPMIC1 2296 tristate "Support for STPMIC1 PMIC" 2297 depends on I2C=y && OF 2298 select REGMAP_I2C 2299 select REGMAP_IRQ 2300 select MFD_CORE 2301 help 2302 Support for ST Microelectronics STPMIC1 PMIC. STPMIC1 has power on 2303 key, watchdog and regulator functionalities which are supported via 2304 the relevant subsystems. This driver provides core support for the 2305 STPMIC1. In order to use the actual functionality of the device other 2306 drivers must be enabled. 2307 2308 To compile this driver as a module, choose M here: the 2309 module will be called stpmic1. 2310 2311config MFD_STMFX 2312 tristate "Support for STMicroelectronics Multi-Function eXpander (STMFX)" 2313 depends on I2C 2314 depends on OF 2315 select MFD_CORE 2316 select REGMAP_I2C 2317 help 2318 Support for the STMicroelectronics Multi-Function eXpander. 2319 2320 This driver provides common support for accessing the device, 2321 additional drivers must be enabled in order to use the functionality 2322 of the device. 2323 2324config MFD_WCD934X 2325 tristate "Support for WCD9340/WCD9341 Codec" 2326 depends on SLIMBUS 2327 select REGMAP 2328 select REGMAP_SLIMBUS 2329 select REGMAP_IRQ 2330 select MFD_CORE 2331 help 2332 Support for the Qualcomm WCD9340/WCD9341 Codec. 2333 This driver provides common support WCD934x audio codec and its 2334 associated Pin Controller, Soundwire Controller and Audio codec. 2335 2336config MFD_ATC260X 2337 tristate 2338 select MFD_CORE 2339 select REGMAP 2340 select REGMAP_IRQ 2341 2342config MFD_ATC260X_I2C 2343 tristate "Actions Semi ATC260x PMICs with I2C" 2344 select MFD_ATC260X 2345 select REGMAP_I2C 2346 depends on I2C 2347 help 2348 Support for the Actions Semi ATC260x PMICs controlled via I2C. 2349 2350 This driver provides common support for accessing the ATC2603C 2351 and ATC2609A chip variants, additional drivers must be enabled 2352 in order to use the functionality of the device. 2353 2354config MFD_KHADAS_MCU 2355 tristate "Support for Khadas System control Microcontroller" 2356 depends on I2C 2357 depends on ARCH_MESON || ARCH_ROCKCHIP || COMPILE_TEST 2358 select MFD_CORE 2359 select REGMAP_I2C 2360 help 2361 Support for the Khadas System control Microcontroller interface 2362 present on their VIM and Edge boards. 2363 2364 This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and 2365 Edge boards. 2366 2367 It provides multiple boot control features like password check, 2368 power-on options, power-off control and system FAN control on recent 2369 boards. 2370 2371 This driver provides common support for accessing the device, 2372 additional drivers must be enabled in order to use the functionality 2373 of the device. 2374 2375config MFD_ACER_A500_EC 2376 tristate "Support for Acer Iconia Tab A500 Embedded Controller" 2377 depends on I2C 2378 depends on (ARCH_TEGRA_2x_SOC && OF) || COMPILE_TEST 2379 select MFD_CORE 2380 select REGMAP 2381 help 2382 Support for Embedded Controller found on Acer Iconia Tab A500. 2383 The controller itself is ENE KB930, it is running firmware 2384 customized for the specific needs of the Acer A500 hardware. 2385 2386config MFD_QCOM_PM8008 2387 tristate "QCOM PM8008 Power Management IC" 2388 depends on I2C && OF 2389 select MFD_CORE 2390 select REGMAP_I2C 2391 select REGMAP_IRQ 2392 help 2393 Select this option to get support for the Qualcomm Technologies, Inc. 2394 PM8008 PMIC chip. PM8008 is a dedicated camera PMIC that integrates 2395 all the necessary power management, housekeeping, and interface 2396 support functions into a single IC. This driver provides common 2397 support for accessing the device by instantiating all the child nodes 2398 under it in the device tree. Additional drivers must be enabled in 2399 order to use the functionality of the device. 2400 2401menu "Multimedia Capabilities Port drivers" 2402 depends on ARCH_SA1100 2403 2404config MCP 2405 tristate 2406 2407# Interface drivers 2408config MCP_SA11X0 2409 tristate "Support SA11x0 MCP interface" 2410 depends on ARCH_SA1100 2411 select MCP 2412 2413# Chip drivers 2414config MCP_UCB1200 2415 tristate "Support for UCB1200 / UCB1300" 2416 depends on MCP_SA11X0 2417 select MCP 2418 2419config MCP_UCB1200_TS 2420 tristate "Touchscreen interface support" 2421 depends on MCP_UCB1200 && INPUT 2422 2423endmenu 2424 2425config MFD_VEXPRESS_SYSREG 2426 tristate "Versatile Express System Registers" 2427 depends on VEXPRESS_CONFIG && GPIOLIB 2428 default y 2429 select GPIO_GENERIC_PLATFORM 2430 select MFD_CORE 2431 select MFD_SYSCON 2432 help 2433 System Registers are the platform configuration block 2434 on the ARM Ltd. Versatile Express board. 2435 2436config RAVE_SP_CORE 2437 tristate "RAVE SP MCU core driver" 2438 depends on SERIAL_DEV_BUS 2439 select CRC_ITU_T 2440 help 2441 Select this to get support for the Supervisory Processor 2442 device found on several devices in RAVE line of hardware. 2443 2444config SGI_MFD_IOC3 2445 bool "SGI IOC3 core driver" 2446 depends on PCI && MIPS && 64BIT 2447 select MFD_CORE 2448 help 2449 This option enables basic support for the SGI IOC3-based 2450 controller cards. This option does not enable any specific 2451 functions on such a card, but provides necessary infrastructure 2452 for other drivers to utilize. 2453 2454 If you have an SGI Origin, Octane, or a PCI IOC3 card, 2455 then say Y. Otherwise say N. 2456 2457config MFD_INTEL_M10_BMC_CORE 2458 tristate 2459 select MFD_CORE 2460 select REGMAP 2461 default n 2462 2463config MFD_INTEL_M10_BMC_SPI 2464 tristate "Intel MAX 10 Board Management Controller with SPI" 2465 depends on SPI_MASTER 2466 select MFD_INTEL_M10_BMC_CORE 2467 select REGMAP_SPI_AVMM 2468 help 2469 Support for the Intel MAX 10 board management controller using the 2470 SPI interface. 2471 2472 This driver provides common support for accessing the device, 2473 additional drivers must be enabled in order to use the functionality 2474 of the device. 2475 2476config MFD_INTEL_M10_BMC_PMCI 2477 tristate "Intel MAX 10 Board Management Controller with PMCI" 2478 depends on FPGA_DFL 2479 select MFD_INTEL_M10_BMC_CORE 2480 select REGMAP 2481 help 2482 Support for the Intel MAX 10 board management controller via PMCI. 2483 2484 This driver provides common support for accessing the device, 2485 additional drivers must be enabled in order to use the functionality 2486 of the device. 2487 2488config MFD_LOONGSON_SE 2489 tristate "Loongson Security Engine chip controller driver" 2490 depends on LOONGARCH && ACPI 2491 select MFD_CORE 2492 help 2493 The Loongson Security Engine chip supports RNG, SM2, SM3 and 2494 SM4 accelerator engines. Each engine have its own DMA buffer 2495 provided by the controller. The kernel cannot directly send 2496 commands to the engine and must first send them to the controller, 2497 which will forward them to the corresponding engine. 2498 2499config MFD_LS2K_BMC_CORE 2500 bool "Loongson-2K Board Management Controller Support" 2501 depends on PCI && ACPI_GENERIC_GSI 2502 select MFD_CORE 2503 help 2504 Say yes here to add support for the Loongson-2K BMC which is a Board 2505 Management Controller connected to the PCIe bus. The device supports 2506 multiple sub-devices like display and IPMI. This driver provides common 2507 support for accessing the devices. 2508 2509 The display is enabled by default in the driver, while the IPMI interface 2510 is enabled independently through the IPMI_LS2K option in the IPMI section. 2511 2512config MFD_QNAP_MCU 2513 tristate "QNAP microcontroller unit core driver" 2514 depends on SERIAL_DEV_BUS 2515 select MFD_CORE 2516 help 2517 Select this to get support for the QNAP MCU device found in 2518 several devices of QNAP network attached storage products that 2519 implements additional functionality for the device, like fan 2520 and LED control. 2521 2522 This driver implements the base serial protocol to talk to the 2523 device and provides functions for the other parts to hook into. 2524 2525config MFD_RSMU_I2C 2526 tristate "Renesas Synchronization Management Unit with I2C" 2527 depends on I2C && OF 2528 select MFD_CORE 2529 select REGMAP_I2C 2530 help 2531 Support for the Renesas Synchronization Management Unit, such as 2532 Clockmatrix and 82P33XXX series. This option supports I2C as 2533 the control interface. 2534 2535 This driver provides common support for accessing the device. 2536 Additional drivers must be enabled in order to use the functionality 2537 of the device. 2538 2539config MFD_RSMU_SPI 2540 tristate "Renesas Synchronization Management Unit with SPI" 2541 depends on SPI && OF 2542 select MFD_CORE 2543 select REGMAP_SPI 2544 help 2545 Support for the Renesas Synchronization Management Unit, such as 2546 Clockmatrix and 82P33XXX series. This option supports SPI as 2547 the control interface. 2548 2549 This driver provides common support for accessing the device. 2550 Additional drivers must be enabled in order to use the functionality 2551 of the device. 2552 2553config MFD_UPBOARD_FPGA 2554 tristate "Support for the AAeon UP board FPGA" 2555 depends on (X86 && ACPI) 2556 select MFD_CORE 2557 help 2558 Select this option to enable the AAEON UP and UP^2 onboard FPGA. 2559 This is the core driver of this FPGA, which has a pin controller and a 2560 LED controller. 2561 2562 To compile this driver as a module, choose M here: the module will be 2563 called upboard-fpga. 2564 2565config MFD_MAX7360 2566 tristate "Maxim MAX7360 I2C IO Expander" 2567 depends on I2C 2568 select MFD_CORE 2569 select REGMAP_I2C 2570 select REGMAP_IRQ 2571 help 2572 Say yes here to add support for Maxim MAX7360 device, embedding 2573 keypad, rotary encoder, PWM and GPIO features. 2574 2575 This driver provides common support for accessing the device; 2576 additional drivers must be enabled in order to use the functionality 2577 of the device. 2578 2579endmenu 2580endif 2581