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_HI6421_PMIC 609 tristate "HiSilicon Hi6421 PMU/Codec IC" 610 depends on OF 611 select MFD_CORE 612 select REGMAP_MMIO 613 help 614 Add support for HiSilicon Hi6421 PMIC. Hi6421 includes multi- 615 functions, such as regulators, RTC, codec, Coulomb counter, etc. 616 This driver includes core APIs _only_. You have to select 617 individual components like voltage regulators under corresponding 618 menus in order to enable them. 619 We communicate with the Hi6421 via memory-mapped I/O. 620 621config MFD_HI6421_SPMI 622 tristate "HiSilicon Hi6421v600 SPMI PMU/Codec IC" 623 depends on OF 624 depends on SPMI 625 select MFD_CORE 626 select REGMAP_SPMI 627 help 628 Add support for HiSilicon Hi6421v600 SPMI PMIC. Hi6421 includes 629 multi-functions, such as regulators, RTC, codec, Coulomb counter, 630 etc. 631 632 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 Hi6421v600 via a SPMI bus. 636 637config MFD_HI655X_PMIC 638 tristate "HiSilicon Hi655X series PMU/Codec IC" 639 depends on ARCH_HISI || COMPILE_TEST 640 depends on OF 641 select MFD_CORE 642 select REGMAP_MMIO 643 select REGMAP_IRQ 644 help 645 Select this option to enable Hisilicon hi655x series pmic driver. 646 647config MFD_INTEL_QUARK_I2C_GPIO 648 tristate "Intel Quark MFD I2C GPIO" 649 depends on PCI 650 depends on X86 651 depends on COMMON_CLK 652 select MFD_CORE 653 help 654 This MFD provides support for I2C and GPIO that exist only 655 in a single PCI device. It splits the 2 IO devices to 656 their respective IO driver. 657 The GPIO exports a total amount of 8 interrupt-capable GPIOs. 658 659config LPC_ICH 660 tristate "Intel ICH LPC" 661 depends on PCI 662 select MFD_CORE 663 select P2SB if X86 664 help 665 The LPC bridge function of the Intel ICH provides support for 666 many functional units. This driver provides needed support for 667 other drivers to control these functions, currently GPIO and 668 watchdog. 669 670config LPC_SCH 671 tristate "Intel SCH LPC" 672 depends on PCI 673 select MFD_CORE 674 help 675 LPC bridge function of the Intel SCH provides support for 676 System Management Bus and General Purpose I/O. 677 678config INTEL_SOC_PMIC 679 bool "Support for Crystal Cove PMIC" 680 depends on HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK 681 depends on (X86 && ACPI) || COMPILE_TEST 682 depends on I2C_DESIGNWARE_PLATFORM=y || COMPILE_TEST 683 select MFD_CORE 684 select REGMAP_I2C 685 select REGMAP_IRQ 686 help 687 Select this option to enable support for Crystal Cove PMIC 688 on some Intel SoC systems. The PMIC provides ADC, GPIO, 689 thermal, charger and related power management functions 690 on these systems. 691 692 This option is a bool as it provides an ACPI OpRegion which must be 693 available before any devices using it are probed. This option also 694 causes the designware-i2c driver to be builtin for the same reason. 695 696config INTEL_SOC_PMIC_BXTWC 697 tristate "Support for Intel Broxton Whiskey Cove PMIC" 698 depends on MFD_INTEL_PMC_BXT 699 select MFD_CORE 700 select REGMAP_IRQ 701 help 702 Select this option to enable support for Whiskey Cove PMIC 703 on Intel Broxton systems. The PMIC provides ADC, GPIO, 704 thermal, charger and related power management functions 705 on these systems. 706 707config INTEL_SOC_PMIC_CHTWC 708 bool "Support for Intel Cherry Trail Whiskey Cove PMIC" 709 depends on ACPI && HAS_IOMEM && I2C=y && COMMON_CLK 710 depends on X86 || COMPILE_TEST 711 depends on I2C_DESIGNWARE_PLATFORM=y 712 select MFD_CORE 713 select REGMAP_I2C 714 select REGMAP_IRQ 715 help 716 Select this option to enable support for the Intel Cherry Trail 717 Whiskey Cove PMIC found on some Intel Cherry Trail systems. 718 719 This option is a bool as it provides an ACPI OpRegion which must be 720 available before any devices using it are probed. This option also 721 causes the designware-i2c driver to be builtin for the same reason. 722 723config INTEL_SOC_PMIC_CHTDC_TI 724 tristate "Support for Intel Cherry Trail Dollar Cove TI PMIC" 725 depends on GPIOLIB 726 depends on I2C=y && I2C_DESIGNWARE_PLATFORM=y 727 depends on ACPI 728 depends on X86 729 select MFD_CORE 730 select REGMAP_I2C 731 select REGMAP_IRQ 732 help 733 Select this option for supporting Dollar Cove (TI version) PMIC 734 device that is found on some Intel Cherry Trail systems. 735 736 This option is a bool as it provides an ACPI OpRegion which must be 737 available before any devices using it are probed. This option also 738 needs the designware-i2c driver to be builtin for the same reason. 739 740config INTEL_SOC_PMIC_MRFLD 741 tristate "Support for Intel Merrifield Basin Cove PMIC" 742 depends on GPIOLIB 743 depends on ACPI 744 depends on INTEL_SCU 745 select MFD_CORE 746 select REGMAP_IRQ 747 help 748 Select this option for supporting Basin Cove PMIC device 749 that is found on Intel Merrifield systems. 750 751config MFD_INTEL_LPSS 752 tristate 753 select COMMON_CLK 754 select MFD_CORE 755 756config MFD_INTEL_LPSS_ACPI 757 tristate "Intel Low Power Subsystem support in ACPI mode" 758 select MFD_INTEL_LPSS 759 depends on X86 && ACPI 760 help 761 This driver supports Intel Low Power Subsystem (LPSS) devices such as 762 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake 763 PCH) in ACPI mode. 764 765config MFD_INTEL_LPSS_PCI 766 tristate "Intel Low Power Subsystem support in PCI mode" 767 select MFD_INTEL_LPSS 768 depends on X86 && PCI 769 help 770 This driver supports Intel Low Power Subsystem (LPSS) devices such as 771 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake 772 PCH) in PCI mode. 773 774config MFD_INTEL_PMC_BXT 775 tristate "Intel PMC Driver for Broxton" 776 depends on X86 777 depends on X86_PLATFORM_DEVICES 778 depends on ACPI 779 select INTEL_SCU_IPC 780 select MFD_CORE 781 help 782 This driver provides support for the PMC (Power Management 783 Controller) on Intel Broxton and Apollo Lake. The PMC is a 784 multi-function device that exposes IPC, General Control 785 Register and P-unit access. In addition this creates devices 786 for iTCO watchdog and telemetry that are part of the PMC. 787 788config MFD_IPAQ_MICRO 789 bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support" 790 depends on SA1100_H3600 791 select MFD_CORE 792 help 793 Select this to get support for the Microcontroller found in 794 the Compaq iPAQ handheld computers. This is an Atmel 795 AT90LS8535 microcontroller flashed with a special iPAQ 796 firmware using the custom protocol implemented in this driver. 797 798config MFD_IQS62X 799 tristate "Azoteq IQS620A/621/622/624/625 core support" 800 depends on I2C 801 select MFD_CORE 802 select REGMAP_I2C 803 help 804 Say Y here if you want to build core support for the Azoteq IQS620A, 805 IQS621, IQS622, IQS624 and IQS625 multi-function sensors. Additional 806 options must be selected to enable device-specific functions. 807 808 To compile this driver as a module, choose M here: the module will 809 be called iqs62x. 810 811config MFD_JANZ_CMODIO 812 tristate "Janz CMOD-IO PCI MODULbus Carrier Board" 813 select MFD_CORE 814 depends on PCI 815 help 816 This is the core driver for the Janz CMOD-IO PCI MODULbus 817 carrier board. This device is a PCI to MODULbus bridge which may 818 host many different types of MODULbus daughterboards, including 819 CAN and GPIO controllers. 820 821config MFD_KEMPLD 822 tristate "Kontron module PLD device" 823 select MFD_CORE 824 help 825 This is the core driver for the PLD (Programmable Logic Device) found 826 on some Kontron ETX and nearly all COMexpress (ETXexpress) modules as 827 well as on some other Kontron products. The PLD device may provide 828 functions like watchdog, GPIO, UART and I2C bus. 829 830 This driver can also be built as a module. If so, the module 831 will be called kempld-core. 832 833config MFD_88PM800 834 tristate "Marvell 88PM800" 835 depends on I2C 836 select REGMAP_I2C 837 select REGMAP_IRQ 838 select MFD_CORE 839 help 840 This supports for Marvell 88PM800 Power Management IC. 841 This includes the I2C driver and the core APIs _only_, you have to 842 select individual components like voltage regulators, RTC and 843 battery-charger under the corresponding menus. 844 845config MFD_88PM805 846 tristate "Marvell 88PM805" 847 depends on I2C 848 select REGMAP_I2C 849 select REGMAP_IRQ 850 select MFD_CORE 851 help 852 This supports for Marvell 88PM805 Power Management IC. This includes 853 the I2C driver and the core APIs _only_, you have to select individual 854 components like codec device, headset/Mic device under the 855 corresponding menus. 856 857config MFD_88PM860X 858 bool "Marvell 88PM8606/88PM8607" 859 depends on I2C=y 860 select REGMAP_I2C 861 select MFD_CORE 862 help 863 This supports for Marvell 88PM8606/88PM8607 Power Management IC. 864 This includes the I2C driver and the core APIs _only_, you have to 865 select individual components like voltage regulators, RTC and 866 battery-charger under the corresponding menus. 867 868config MFD_88PM886_PMIC 869 bool "Marvell 88PM886 PMIC" 870 depends on I2C=y 871 depends on OF 872 select REGMAP_I2C 873 select REGMAP_IRQ 874 select MFD_CORE 875 help 876 This enables support for Marvell 88PM886 Power Management IC. 877 This includes the I2C driver and the core APIs _only_, you have to 878 select individual components like onkey under the corresponding menus. 879 880config MFD_MAX5970 881 tristate "Maxim 5970/5978 power switch and monitor" 882 depends on I2C && OF 883 select MFD_SIMPLE_MFD_I2C 884 help 885 This driver controls a Maxim 5970/5978 switch via I2C bus. 886 The MAX5970/5978 is a smart switch with no output regulation, but 887 fault protection and voltage and current monitoring capabilities. 888 Also it supports upto 4 indication leds. 889 890config MFD_MAX14577 891 tristate "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support" 892 depends on I2C 893 select MFD_CORE 894 select REGMAP_I2C 895 select REGMAP_IRQ 896 select IRQ_DOMAIN 897 help 898 Say yes here to add support for Maxim Semiconductor MAX14577 and 899 MAX77836 Micro-USB ICs with battery charger. 900 This driver provides common support for accessing the device; 901 additional drivers must be enabled in order to use the functionality 902 of the device. 903 904config MFD_MAX77541 905 tristate "Analog Devices MAX77541/77540 PMIC Support" 906 depends on I2C=y 907 select MFD_CORE 908 select REGMAP_I2C 909 select REGMAP_IRQ 910 help 911 Say yes here to add support for Analog Devices MAX77541 and 912 MAX77540 Power Management ICs. This driver provides 913 common support for accessing the device; additional drivers 914 must be enabled in order to use the functionality of the device. 915 There are regulators and adc. 916 917config MFD_MAX77620 918 tristate "Maxim Semiconductor MAX77620 and MAX20024 PMIC Support" 919 depends on I2C=y 920 depends on OF 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 MAX77620 and 927 MAX20024 which are Power Management IC with General purpose pins, 928 RTC, regulators, clock generator, watchdog etc. This driver 929 provides common support for accessing the device; additional drivers 930 must be enabled in order to use the functionality of the device. 931 932config MFD_MAX77650 933 tristate "Maxim MAX77650/77651 PMIC Support" 934 depends on I2C 935 depends on OF 936 select MFD_CORE 937 select REGMAP_I2C 938 select REGMAP_IRQ 939 help 940 Say Y here to add support for Maxim Semiconductor MAX77650 and 941 MAX77651 Power Management ICs. This is the core multifunction 942 driver for interacting with the device. The module name is 943 'max77650'. Additional drivers can be enabled in order to use 944 the following functionalities of the device: GPIO, regulator, 945 charger, LED, onkey. 946 947config MFD_MAX77686 948 tristate "Maxim Semiconductor MAX77686/802 PMIC Support" 949 depends on I2C 950 depends on OF 951 select MFD_CORE 952 select REGMAP_I2C 953 select REGMAP_IRQ 954 select IRQ_DOMAIN 955 help 956 Say yes here to add support for Maxim Semiconductor MAX77686 and 957 MAX77802 which are Power Management IC with an RTC on chip. 958 This driver provides common support for accessing the device; 959 additional drivers must be enabled in order to use the functionality 960 of the device. 961 962config MFD_MAX77693 963 tristate "Maxim Semiconductor MAX77693 PMIC Support" 964 depends on I2C 965 select MFD_CORE 966 select REGMAP_I2C 967 select REGMAP_IRQ 968 help 969 Say yes here to add support for Maxim Semiconductor MAX77693. 970 This is a companion Power Management IC with Flash, Haptic, Charger, 971 and MUIC(Micro USB Interface Controller) controls on chip. 972 This driver provides common support for accessing the device; 973 additional drivers must be enabled in order to use the functionality 974 of the device. 975 976config MFD_MAX77705 977 tristate "Maxim MAX77705 PMIC Support" 978 depends on I2C 979 select MFD_CORE 980 select MFD_SIMPLE_MFD_I2C 981 help 982 Say yes here to add support for Maxim Integrated MAX77705 PMIC. 983 This is a Power Management IC with Charger, safe LDOs, Flash, Haptic 984 and MUIC controls on chip. 985 This driver provides common support for accessing the device; 986 additional drivers must be enabled in order to use the functionality 987 of the device. 988 989config MFD_MAX77714 990 tristate "Maxim Semiconductor MAX77714 PMIC Support" 991 depends on I2C 992 depends on OF 993 select MFD_CORE 994 select REGMAP_I2C 995 help 996 Say yes here to add support for Maxim Semiconductor MAX77714. 997 This is a Power Management IC with 4 buck regulators, 9 998 low-dropout regulators, 8 GPIOs, RTC, watchdog etc. This driver 999 provides common support for accessing the device; additional 1000 drivers must be enabled in order to use each functionality of the 1001 device. 1002 1003config MFD_MAX77759 1004 tristate "Maxim Integrated MAX77759 PMIC" 1005 depends on I2C 1006 depends on OF 1007 select IRQ_DOMAIN 1008 select MFD_CORE 1009 select REGMAP_I2C 1010 select REGMAP_IRQ 1011 help 1012 Say yes here to add support for Maxim Integrated MAX77759. 1013 This is a companion Power Management IC for USB Type-C applications 1014 with Battery Charger, Fuel Gauge, temperature sensors, USB Type-C 1015 Port Controller (TCPC), NVMEM, and additional GPIO interfaces. 1016 This driver provides common support for accessing the device; 1017 additional drivers must be enabled in order to use the functionality 1018 of the device. 1019 1020 To compile this driver as a module, choose M here: the module will be 1021 called max77759. 1022 1023config MFD_MAX77843 1024 bool "Maxim Semiconductor MAX77843 PMIC Support" 1025 depends on I2C=y 1026 select MFD_CORE 1027 select REGMAP_I2C 1028 select REGMAP_IRQ 1029 help 1030 Say yes here to add support for Maxim Semiconductor MAX77843. 1031 This is companion Power Management IC with LEDs, Haptic, Charger, 1032 Fuel Gauge, MUIC(Micro USB Interface Controller) controls on chip. 1033 This driver provides common support for accessing the device; 1034 additional drivers must be enabled in order to use the functionality 1035 of the device. 1036 1037config MFD_MAX8907 1038 tristate "Maxim Semiconductor MAX8907 PMIC Support" 1039 select MFD_CORE 1040 depends on I2C 1041 select REGMAP_I2C 1042 select REGMAP_IRQ 1043 help 1044 Say yes here to add support for Maxim Semiconductor MAX8907. This is 1045 a Power Management IC. This driver provides common support for 1046 accessing the device; additional drivers must be enabled in order 1047 to use the functionality of the device. 1048 1049config MFD_MAX8925 1050 bool "Maxim Semiconductor MAX8925 PMIC Support" 1051 depends on I2C=y 1052 select MFD_CORE 1053 help 1054 Say yes here to add support for Maxim Semiconductor MAX8925. This is 1055 a Power Management IC. This driver provides common support for 1056 accessing the device, additional drivers must be enabled in order 1057 to use the functionality of the device. 1058 1059config MFD_MAX8997 1060 bool "Maxim Semiconductor MAX8997/8966 PMIC Support" 1061 depends on I2C=y 1062 select MFD_CORE 1063 select IRQ_DOMAIN 1064 help 1065 Say yes here to add support for Maxim Semiconductor MAX8997/8966. 1066 This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic, 1067 MUIC controls on chip. 1068 This driver provides common support for accessing the device; 1069 additional drivers must be enabled in order to use the functionality 1070 of the device. 1071 1072config MFD_MAX8998 1073 bool "Maxim Semiconductor MAX8998/National LP3974 PMIC Support" 1074 depends on I2C=y 1075 select MFD_CORE 1076 select IRQ_DOMAIN 1077 help 1078 Say yes here to add support for Maxim Semiconductor MAX8998 and 1079 National Semiconductor LP3974. This is a Power Management IC. 1080 This driver provides common support for accessing the device, 1081 additional drivers must be enabled in order to use the functionality 1082 of the device. 1083 1084config MFD_MT6360 1085 tristate "Mediatek MT6360 SubPMIC" 1086 select MFD_CORE 1087 select REGMAP_I2C 1088 select REGMAP_IRQ 1089 select CRC8 1090 depends on I2C 1091 help 1092 Say Y here to enable MT6360 PMU/PMIC/LDO functional support. 1093 PMU part includes Charger, Flashlight, RGB LED 1094 PMIC part includes 2-channel BUCKs and 2-channel LDOs 1095 LDO part includes 4-channel LDOs 1096 1097config MFD_MT6370 1098 tristate "MediaTek MT6370 SubPMIC" 1099 select MFD_CORE 1100 select REGMAP_I2C 1101 select REGMAP_IRQ 1102 depends on I2C 1103 help 1104 Say Y here to enable MT6370 SubPMIC functional support. 1105 It consists of a single cell battery charger with ADC monitoring, RGB 1106 LEDs, dual channel flashlight, WLED backlight driver, display bias 1107 voltage supply, one general purpose LDO, and the USB Type-C & PD 1108 controller complies with the latest USB Type-C and PD standards. 1109 1110 This driver can also be built as a module. If so, the module 1111 will be called "mt6370". 1112 1113config MFD_MT6397 1114 tristate "MediaTek MT6397 PMIC Support" 1115 select MFD_CORE 1116 select IRQ_DOMAIN 1117 help 1118 Say yes here to add support for MediaTek MT6397 PMIC. This is 1119 a Power Management IC. This driver provides common support for 1120 accessing the device; additional drivers must be enabled in order 1121 to use the functionality of the device. 1122 1123config MFD_MENF21BMC 1124 tristate "MEN 14F021P00 Board Management Controller Support" 1125 depends on I2C 1126 select MFD_CORE 1127 help 1128 Say yes here to add support for the MEN 14F021P00 BMC 1129 which is a Board Management Controller connected to the I2C bus. 1130 The device supports multiple sub-devices like LED, HWMON and WDT. 1131 This driver provides common support for accessing the devices; 1132 additional drivers must be enabled in order to use the 1133 functionality of the BMC device. 1134 1135 This driver can also be built as a module. If so the module 1136 will be called menf21bmc. 1137 1138config MFD_NCT6694 1139 tristate "Nuvoton NCT6694 support" 1140 select MFD_CORE 1141 depends on USB 1142 help 1143 This enables support for the Nuvoton USB device NCT6694, which shares 1144 peripherals. 1145 The Nuvoton NCT6694 is a peripheral expander with 16 GPIO chips, 1146 6 I2C controllers, 2 CANfd controllers, 2 Watchdog timers, ADC, 1147 PWM, and RTC. 1148 This driver provides core APIs to access the NCT6694 hardware 1149 monitoring and control features. 1150 Additional drivers must be enabled to utilize the specific 1151 functionalities of the device. 1152 1153config MFD_OCELOT 1154 tristate "Microsemi Ocelot External Control Support" 1155 depends on SPI_MASTER 1156 select MFD_CORE 1157 select REGMAP_SPI 1158 help 1159 Ocelot is a family of networking chips that support multiple ethernet 1160 and fibre interfaces. In addition to networking, they contain several 1161 other functions, including pinctrl, MDIO, and communication with 1162 external chips. While some chips have an internal processor capable of 1163 running an OS, others don't. All chips can be controlled externally 1164 through different interfaces, including SPI, I2C, and PCIe. 1165 1166 Say yes here to add support for Ocelot chips (VSC7511, VSC7512, 1167 VSC7513, VSC7514) controlled externally. 1168 1169 To compile this driver as a module, choose M here: the module will be 1170 called ocelot-soc. 1171 1172 If unsure, say N. 1173 1174config EZX_PCAP 1175 bool "Motorola EZXPCAP Support" 1176 depends on SPI_MASTER 1177 help 1178 This enables the PCAP ASIC present on EZX Phones. This is 1179 needed for MMC, TouchScreen, Sound, USB, etc.. 1180 1181config MFD_CPCAP 1182 tristate "Support for Motorola CPCAP" 1183 depends on SPI 1184 depends on OF 1185 select MFD_CORE 1186 select REGMAP_SPI 1187 select REGMAP_IRQ 1188 help 1189 Say yes here if you want to include driver for CPCAP. 1190 It is used on many Motorola phones and tablets as a PMIC. 1191 At least Motorola Droid 4 is known to use CPCAP. 1192 1193config MFD_VIPERBOARD 1194 tristate "Nano River Technologies Viperboard" 1195 select MFD_CORE 1196 depends on USB 1197 default n 1198 help 1199 Say yes here if you want support for Nano River Technologies 1200 Viperboard. 1201 There are mfd cell drivers available for i2c master, adc and 1202 both gpios found on the board. The spi part does not yet 1203 have a driver. 1204 You need to select the mfd cell drivers separately. 1205 The drivers do not support all features the board exposes. 1206 1207config MFD_NTXEC 1208 tristate "Netronix embedded controller (EC)" 1209 depends on OF 1210 depends on I2C 1211 select REGMAP_I2C 1212 select MFD_CORE 1213 help 1214 Say yes here if you want to support the embedded controller found in 1215 certain e-book readers designed by the original design manufacturer 1216 Netronix. 1217 1218config MFD_RETU 1219 tristate "Nokia Retu and Tahvo multi-function device" 1220 select MFD_CORE 1221 depends on I2C 1222 select REGMAP_IRQ 1223 help 1224 Retu and Tahvo are a multi-function devices found on Nokia 1225 Internet Tablets (770, N800 and N810). 1226 1227config MFD_PM8XXX 1228 tristate "Qualcomm PM8xxx PMIC chips driver" 1229 depends on ARM || HEXAGON || COMPILE_TEST 1230 select IRQ_DOMAIN_HIERARCHY 1231 select MFD_CORE 1232 select REGMAP 1233 help 1234 If you say yes to this option, support will be included for the 1235 built-in PM8xxx PMIC chips. 1236 1237 This is required if your board has a PM8xxx and uses its features, 1238 such as: MPPs, GPIOs, regulators, interrupts, and PWM. 1239 1240 Say M here if you want to include support for PM8xxx chips as a 1241 module. This will build a module called "pm8xxx-core". 1242 1243config MFD_QCOM_RPM 1244 tristate "Qualcomm Resource Power Manager (RPM)" 1245 depends on ARCH_QCOM && OF 1246 help 1247 If you say yes to this option, support will be included for the 1248 Resource Power Manager system found in the Qualcomm 8660, 8960 and 1249 8064 based devices. 1250 1251 This is required to access many regulators, clocks and bus 1252 frequencies controlled by the RPM on these devices. 1253 1254 Say M here if you want to include support for the Qualcomm RPM as a 1255 module. This will build a module called "qcom_rpm". 1256 1257config MFD_SPACEMIT_P1 1258 tristate "SpacemiT P1 PMIC" 1259 depends on ARCH_SPACEMIT || COMPILE_TEST 1260 depends on I2C 1261 select I2C_K1 1262 select MFD_SIMPLE_MFD_I2C 1263 help 1264 This option supports the I2C-based SpacemiT P1 PMIC, which 1265 contains regulators, a power switch, GPIOs, an RTC, and more. 1266 This option is selected when any of the supported sub-devices 1267 is configured. The basic functionality is implemented by the 1268 simple MFD I2C driver. 1269 1270config MFD_SPMI_PMIC 1271 tristate "Qualcomm SPMI PMICs" 1272 depends on ARCH_QCOM || COMPILE_TEST 1273 depends on OF 1274 depends on SPMI 1275 select REGMAP_SPMI 1276 help 1277 This enables support for the Qualcomm SPMI PMICs. 1278 These PMICs are currently used with the Snapdragon 800 series of 1279 SoCs. Note, that this will only be useful paired with descriptions 1280 of the independent functions as children nodes in the device tree. 1281 1282 Say M here if you want to include support for the SPMI PMIC 1283 series as a module. The module will be called "qcom-spmi-pmic". 1284 1285config MFD_SY7636A 1286 tristate "Silergy SY7636A voltage regulator" 1287 depends on I2C 1288 select MFD_SIMPLE_MFD_I2C 1289 help 1290 Enable support for Silergy SY7636A voltage regulator. 1291 1292 To enable support for building sub-devices as modules, 1293 choose M here. 1294 1295config MFD_RDC321X 1296 tristate "RDC R-321x southbridge" 1297 select MFD_CORE 1298 depends on PCI 1299 help 1300 Say yes here if you want to have support for the RDC R-321x SoC 1301 southbridge which provides access to GPIOs and Watchdog using the 1302 southbridge PCI device configuration space. 1303 1304config MFD_RT4831 1305 tristate "Richtek RT4831 four channel WLED and Display Bias Voltage" 1306 depends on I2C 1307 select MFD_CORE 1308 select REGMAP_I2C 1309 help 1310 This enables support for the Richtek RT4831 that includes 4 channel 1311 WLED driving and Display Bias Voltage. It's commonly used to provide 1312 power to the LCD display and LCD backlight. 1313 1314config MFD_RT5033 1315 tristate "Richtek RT5033 Power Management IC" 1316 depends on I2C 1317 select MFD_CORE 1318 select REGMAP_I2C 1319 select REGMAP_IRQ 1320 help 1321 This driver provides for the Richtek RT5033 Power Management IC, 1322 which includes the I2C driver and the Core APIs. This driver provides 1323 common support for accessing the device. The device supports multiple 1324 sub-devices like charger, fuel gauge, flash LED, current source, 1325 LDO and Buck. 1326 1327config MFD_RT5120 1328 tristate "Richtek RT5120 Power Management IC" 1329 depends on I2C 1330 select MFD_CORE 1331 select REGMAP_I2C 1332 select REGMAP_IRQ 1333 help 1334 The enables support for Richtek RT5120 PMIC. It includes four high 1335 efficiency buck converters and one LDO voltage regulator. The device 1336 is targeted at providing the CPU voltage, memory, I/O and peripheral 1337 power rails in home entertainment devices. 1338 1339config MFD_RC5T583 1340 bool "Ricoh RC5T583 Power Management system device" 1341 depends on I2C=y 1342 select MFD_CORE 1343 select REGMAP_I2C 1344 help 1345 Select this option to get support for the RICOH583 Power 1346 Management system device. 1347 This driver provides common support for accessing the device 1348 through i2c interface. The device supports multiple sub-devices 1349 like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey. 1350 Additional drivers must be enabled in order to use the 1351 different functionality of the device. 1352 1353config MFD_RK8XX 1354 tristate 1355 select MFD_CORE 1356 1357config MFD_RK8XX_I2C 1358 tristate "Rockchip RK805/RK808/RK809/RK816/RK817/RK818 Power Management Chip" 1359 depends on I2C && OF 1360 select MFD_CORE 1361 select REGMAP_I2C 1362 select REGMAP_IRQ 1363 select MFD_RK8XX 1364 help 1365 If you say yes here you get support for the RK805, RK808, RK809, 1366 RK816, RK817 and RK818 Power Management chips. 1367 This driver provides common support for accessing the device 1368 through I2C interface. The device supports multiple sub-devices 1369 including interrupts, RTC, LDO & DCDC regulators, and onkey. 1370 1371config MFD_RK8XX_SPI 1372 tristate "Rockchip RK806 Power Management Chip" 1373 depends on SPI && OF 1374 select MFD_CORE 1375 select REGMAP_SPI 1376 select REGMAP_IRQ 1377 select MFD_RK8XX 1378 help 1379 If you say yes here you get support for the RK806 Power Management 1380 chip. 1381 This driver provides common support for accessing the device 1382 through an SPI interface. The device supports multiple sub-devices 1383 including interrupts, LDO & DCDC regulators, and power on-key. 1384 1385config MFD_RN5T618 1386 tristate "Ricoh RN5T567/618 PMIC" 1387 depends on I2C 1388 depends on OF 1389 select MFD_CORE 1390 select REGMAP_I2C 1391 select REGMAP_IRQ 1392 help 1393 Say yes here to add support for the Ricoh RN5T567, 1394 RN5T618, RC5T619 PMIC. 1395 This driver provides common support for accessing the device, 1396 additional drivers must be enabled in order to use the 1397 functionality of the device. 1398 1399config MFD_SEC_CORE 1400 tristate 1401 select MFD_CORE 1402 select REGMAP_IRQ 1403 1404config MFD_SEC_ACPM 1405 tristate "Samsung Electronics S2MPG1x PMICs" 1406 depends on EXYNOS_ACPM_PROTOCOL 1407 depends on OF 1408 select MFD_SEC_CORE 1409 help 1410 Support for the Samsung Electronics PMICs with ACPM interface. 1411 This is a Power Management IC for mobile applications with buck 1412 converters, various LDOs, power meters, RTC, clock outputs, and 1413 additional GPIOs interfaces. 1414 This driver provides common support for accessing the device; 1415 additional drivers must be enabled in order to use the functionality 1416 of the device. 1417 1418 To compile this driver as a module, choose M here: the module will be 1419 called sec-acpm. 1420 1421config MFD_SEC_I2C 1422 tristate "Samsung Electronics S2MPA/S2MPS1X/S2MPU/S5M series PMICs" 1423 depends on I2C=y 1424 depends on OF 1425 select MFD_SEC_CORE 1426 select REGMAP_I2C 1427 help 1428 Support for the Samsung Electronics PMIC devices with I2C interface 1429 coming usually along with Samsung Exynos SoC chipset. 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 1435 module will be called sec-i2c. 1436 Have in mind that important core drivers (like regulators) depend 1437 on this driver so building this as a module might require proper 1438 initial ramdisk or might not boot up as well in certain scenarios. 1439 1440config MFD_SI476X_CORE 1441 tristate "Silicon Laboratories 4761/64/68 AM/FM radio." 1442 depends on I2C 1443 depends on GPIOLIB_LEGACY 1444 select MFD_CORE 1445 select REGMAP_I2C 1446 help 1447 This is the core driver for the SI476x series of AM/FM 1448 radio. This MFD driver connects the radio-si476x V4L2 module 1449 and the si476x audio codec. 1450 1451 To compile this driver as a module, choose M here: the 1452 module will be called si476x-core. 1453 1454config MFD_SIMPLE_MFD_I2C 1455 tristate 1456 depends on I2C 1457 select MFD_CORE 1458 select REGMAP_I2C 1459 help 1460 This driver creates a single register map with the intention for it 1461 to be shared by all sub-devices. 1462 1463 Once the register map has been successfully initialised, any 1464 sub-devices represented by child nodes in Device Tree will be 1465 subsequently registered. 1466 1467config MFD_SL28CPLD 1468 tristate "Kontron sl28cpld Board Management Controller" 1469 depends on I2C 1470 depends on ARCH_LAYERSCAPE || COMPILE_TEST 1471 select MFD_SIMPLE_MFD_I2C 1472 help 1473 Say yes here to enable support for the Kontron sl28cpld board 1474 management controller. 1475 1476 It can be found on the following boards: 1477 * SMARC-sAL28 1478 1479config MFD_SM501 1480 tristate "Silicon Motion SM501" 1481 depends on HAS_DMA 1482 help 1483 This is the core driver for the Silicon Motion SM501 multimedia 1484 companion chip. This device is a multifunction device which may 1485 provide numerous interfaces including USB host controller, USB gadget, 1486 asynchronous serial ports, audio functions, and a dual display video 1487 interface. The device may be connected by PCI or local bus with 1488 varying functions enabled. 1489 1490config MFD_SM501_GPIO 1491 bool "Export GPIO via GPIO layer" 1492 depends on MFD_SM501 && GPIOLIB 1493 help 1494 This option uses the gpio library layer to export the 64 GPIO 1495 lines on the SM501. The platform data is used to supply the 1496 base number for the first GPIO line to register. 1497 1498config MFD_SKY81452 1499 tristate "Skyworks Solutions SKY81452" 1500 select MFD_CORE 1501 select REGMAP_I2C 1502 depends on I2C 1503 help 1504 This is the core driver for the Skyworks SKY81452 backlight and 1505 voltage regulator device. 1506 1507 This driver can also be built as a module. If so, the module 1508 will be called sky81452. 1509 1510config MFD_SC27XX_PMIC 1511 tristate "Spreadtrum SC27xx PMICs" 1512 depends on ARCH_SPRD || COMPILE_TEST 1513 depends on SPI_MASTER 1514 select MFD_CORE 1515 select REGMAP_SPI 1516 select REGMAP_IRQ 1517 help 1518 This enables support for the Spreadtrum SC27xx PMICs with SPI 1519 interface. The SC27xx series PMICs integrate power management, 1520 audio codec, battery management and user interface support 1521 function (such as RTC, Typec, indicator and so on) in a single chip. 1522 1523 This driver provides common support for accessing the SC27xx PMICs, 1524 and it also adds the irq_chip parts for handling the PMIC chip events. 1525 1526config RZ_MTU3 1527 tristate "Renesas RZ/G2L MTU3a core driver" 1528 depends on (ARCH_RZG2L && OF) || COMPILE_TEST 1529 select MFD_CORE 1530 help 1531 Select this option to enable Renesas RZ/G2L MTU3a core driver for 1532 the Multi-Function Timer Pulse Unit 3 (MTU3a) hardware available 1533 on SoCs from Renesas. The core driver shares the clk and channel 1534 register access for the other child devices like Counter, PWM, 1535 Clock Source, and Clock event. 1536 1537config ABX500_CORE 1538 bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions" 1539 depends on ARCH_U8500 || COMPILE_TEST 1540 default y if ARCH_U8500 1541 help 1542 Say yes here if you have the ABX500 Mixed Signal IC family 1543 chips. This core driver expose register access functions. 1544 Functionality specific drivers using these functions can 1545 remain unchanged when IC changes. Binding of the functions to 1546 actual register access is done by the IC core driver. 1547 1548config AB8500_CORE 1549 bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" 1550 depends on ABX500_CORE && MFD_DB8500_PRCMU 1551 select POWER_SUPPLY 1552 select MFD_CORE 1553 select IRQ_DOMAIN 1554 help 1555 Select this option to enable access to AB8500 power management 1556 chip. This connects to U8500 either on the SSP/SPI bus (deprecated 1557 since hardware version v1.0) or the I2C bus via PRCMU. It also adds 1558 the irq_chip parts for handling the Mixed Signal chip events. 1559 This chip embeds various other multimedia functionalities as well. 1560 1561config MFD_DB8500_PRCMU 1562 bool "ST-Ericsson DB8500 Power Reset Control Management Unit" 1563 depends on UX500_SOC_DB8500 1564 select MFD_CORE 1565 help 1566 Select this option to enable support for the DB8500 Power Reset 1567 and Control Management Unit. This is basically an autonomous 1568 system controller running an XP70 microprocessor, which is accessed 1569 through a register map. 1570 1571config MFD_STMPE 1572 tristate "STMicroelectronics STMPE" 1573 depends on I2C || SPI_MASTER 1574 depends on OF 1575 select MFD_CORE 1576 help 1577 Support for the STMPE family of I/O Expanders from 1578 STMicroelectronics. 1579 1580 Currently supported devices are: 1581 1582 STMPE811: GPIO, Touchscreen, ADC 1583 STMPE1601: GPIO, Keypad 1584 STMPE1801: GPIO, Keypad 1585 STMPE2401: GPIO, Keypad 1586 STMPE2403: GPIO, Keypad 1587 1588 This driver provides common support for accessing the device, 1589 additional drivers must be enabled in order to use the functionality 1590 of the device. Currently available sub drivers are: 1591 1592 GPIO: stmpe-gpio 1593 Keypad: stmpe-keypad 1594 Touchscreen: stmpe-ts 1595 ADC: stmpe-adc 1596 1597menu "STMicroelectronics STMPE Interface Drivers" 1598depends on MFD_STMPE 1599 1600config STMPE_I2C 1601 tristate "STMicroelectronics STMPE I2C Interface" 1602 depends on I2C 1603 default y 1604 help 1605 This is used to enable I2C interface of STMPE 1606 1607config STMPE_SPI 1608 tristate "STMicroelectronics STMPE SPI Interface" 1609 depends on SPI_MASTER 1610 help 1611 This is used to enable SPI interface of STMPE 1612endmenu 1613 1614config MFD_SUN6I_PRCM 1615 bool "Allwinner A31/A23/A33 PRCM controller" 1616 depends on ARCH_SUNXI || COMPILE_TEST 1617 select MFD_CORE 1618 help 1619 Support for the PRCM (Power/Reset/Clock Management) unit available 1620 in the A31, A23, and A33 SoCs. Other Allwinner SoCs contain similar 1621 hardware, but they do not use this driver. 1622 1623config MFD_SYSCON 1624 bool "System Controller Register R/W Based on Regmap" 1625 select REGMAP_MMIO 1626 help 1627 Select this option to enable accessing system control registers 1628 via regmap. 1629 1630config MFD_TI_AM335X_TSCADC 1631 tristate "TI ADC / Touch Screen chip support" 1632 depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST 1633 select MFD_CORE 1634 select REGMAP 1635 select REGMAP_MMIO 1636 help 1637 If you say yes here you get support for Texas Instruments series 1638 of Touch Screen /ADC chips. 1639 To compile this driver as a module, choose M here: the 1640 module will be called ti_am335x_tscadc. 1641 1642config MFD_LP3943 1643 tristate "TI/National Semiconductor LP3943 MFD Driver" 1644 depends on I2C 1645 select MFD_CORE 1646 select REGMAP_I2C 1647 help 1648 Support for the TI/National Semiconductor LP3943. 1649 This driver consists of GPIO and PWM drivers. 1650 With these functionalities, it can be used for LED string control or 1651 general usage such like a GPIO controller and a PWM controller. 1652 1653config MFD_LP8788 1654 bool "TI LP8788 Power Management Unit Driver" 1655 depends on I2C=y 1656 select MFD_CORE 1657 select REGMAP_I2C 1658 select IRQ_DOMAIN 1659 help 1660 TI LP8788 PMU supports regulators, battery charger, RTC, 1661 ADC, backlight driver and current sinks. 1662 1663config MFD_TI_LMU 1664 tristate "TI Lighting Management Unit driver" 1665 depends on I2C 1666 select MFD_CORE 1667 select REGMAP_I2C 1668 help 1669 Say yes here to enable support for TI LMU chips. 1670 TI LMU MFD supports LM3532, LM3631, LM3632, LM3633, LM3695 and 1671 LM36274. It consists of backlight, LED and regulator driver. 1672 It provides consistent device controls for lighting functions. 1673 1674config MFD_BQ257XX 1675 tristate "TI BQ257XX Buck/Boost Charge Controller" 1676 depends on I2C 1677 select MFD_CORE 1678 select REGMAP_I2C 1679 help 1680 Support Texas Instruments BQ25703 Buck/Boost converter with 1681 charge controller. It consists of regulators that provide 1682 system voltage and OTG voltage, and a charger manager for 1683 batteries containing one or more cells. 1684 1685config MFD_OMAP_USB_HOST 1686 bool "TI OMAP USBHS core and TLL driver" 1687 depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3 1688 depends on COMMON_CLK 1689 default y 1690 help 1691 This is the core driver for the OAMP EHCI and OHCI drivers. 1692 This MFD driver does the required setup functionalities for 1693 OMAP USB Host drivers. 1694 1695config MFD_PALMAS 1696 tristate "TI Palmas series chips" 1697 select MFD_CORE 1698 select REGMAP_I2C 1699 select REGMAP_IRQ 1700 depends on I2C=y 1701 help 1702 If you say yes here you get support for the Palmas 1703 series of PMIC chips from Texas Instruments. 1704 1705config TPS6105X 1706 tristate "TI TPS61050/61052 Boost Converters" 1707 depends on I2C 1708 select REGMAP_I2C 1709 select REGULATOR 1710 select MFD_CORE 1711 select REGULATOR_FIXED_VOLTAGE 1712 help 1713 This option enables a driver for the TP61050/TPS61052 1714 high-power "white LED driver". This boost converter is 1715 sometimes used for other things than white LEDs, and 1716 also contains a GPIO pin. 1717 1718config TPS65010 1719 tristate "TI TPS6501x Power Management chips" 1720 depends on I2C && GPIOLIB 1721 default MACH_OMAP_OSK 1722 help 1723 If you say yes here you get support for the TPS6501x series of 1724 Power Management chips. These include voltage regulators, 1725 lithium ion/polymer battery charging, and other features that 1726 are often used in portable devices like cell phones and cameras. 1727 1728 This driver can also be built as a module. If so, the module 1729 will be called tps65010. 1730 1731config TPS6507X 1732 tristate "TI TPS6507x Power Management / Touch Screen chips" 1733 select MFD_CORE 1734 depends on I2C 1735 help 1736 If you say yes here you get support for the TPS6507x series of 1737 Power Management / Touch Screen chips. These include voltage 1738 regulators, lithium ion/polymer battery charging, touch screen 1739 and other features that are often used in portable devices. 1740 This driver can also be built as a module. If so, the module 1741 will be called tps6507x. 1742 1743config MFD_TPS65086 1744 tristate "TI TPS65086 Power Management Integrated Chips (PMICs)" 1745 select MFD_CORE 1746 select REGMAP 1747 select REGMAP_IRQ 1748 select REGMAP_I2C 1749 depends on I2C 1750 help 1751 If you say yes here you get support for the TPS65086 series of 1752 Power Management chips. 1753 This driver provides common support for accessing the device, 1754 additional drivers must be enabled in order to use the 1755 functionality of the device. 1756 1757config TPS65911_COMPARATOR 1758 tristate 1759 1760config MFD_TPS65090 1761 bool "TI TPS65090 Power Management chips" 1762 depends on I2C=y 1763 select MFD_CORE 1764 select REGMAP_I2C 1765 select REGMAP_IRQ 1766 help 1767 If you say yes here you get support for the TPS65090 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 MFD_TPS65217 1774 tristate "TI TPS65217 Power Management / White LED chips" 1775 depends on I2C && OF 1776 select MFD_CORE 1777 select REGMAP_I2C 1778 select IRQ_DOMAIN 1779 help 1780 If you say yes here you get support for the TPS65217 series of 1781 Power Management / White LED chips. 1782 These include voltage regulators, lithium ion/polymer battery 1783 charger, wled and other features that are often used in portable 1784 devices. 1785 1786 This driver can also be built as a module. If so, the module 1787 will be called tps65217. 1788 1789config MFD_TI_LP873X 1790 tristate "TI LP873X Power Management IC" 1791 depends on I2C 1792 select MFD_CORE 1793 select REGMAP_I2C 1794 help 1795 If you say yes here then you get support for the LP873X series of 1796 Power Management Integrated Circuits (PMIC). 1797 These include voltage regulators, thermal protection, configurable 1798 General Purpose Outputs (GPO) that are used in portable devices. 1799 1800 This driver can also be built as a module. If so, the module 1801 will be called lp873x. 1802 1803config MFD_TI_LP87565 1804 tristate "TI LP87565 Power Management IC" 1805 depends on I2C && OF 1806 select MFD_CORE 1807 select REGMAP_I2C 1808 help 1809 If you say yes here then you get support for the LP87565 series of 1810 Power Management Integrated Circuits (PMIC). 1811 These include voltage regulators, thermal protection, configurable 1812 General Purpose Outputs (GPO) that are used in portable devices. 1813 1814 This driver can also be built as a module. If so, the module 1815 will be called lp87565. 1816 1817config MFD_TPS65218 1818 tristate "TI TPS65218 Power Management chips" 1819 depends on I2C && OF 1820 select MFD_CORE 1821 select REGMAP_I2C 1822 select REGMAP_IRQ 1823 help 1824 If you say yes here you get support for the TPS65218 series of 1825 Power Management chips. 1826 These include voltage regulators, gpio and other features 1827 that are often used in portable devices. 1828 1829 This driver can also be built as a module. If so, the module 1830 will be called tps65218. 1831 1832config MFD_TPS65219 1833 tristate "TI TPS65219 Power Management IC" 1834 depends on I2C && OF 1835 select MFD_CORE 1836 select REGMAP_I2C 1837 select REGMAP_IRQ 1838 help 1839 If you say yes here you get support for the TPS65219 series of Power 1840 Management ICs. These include voltage regulators, GPIOs and 1841 push/power button that is often used in portable devices. 1842 1843 This driver can also be built as a module. If so, the module 1844 will be called tps65219. 1845 1846config MFD_TPS6586X 1847 bool "TI TPS6586x Power Management chips" 1848 depends on I2C=y 1849 select MFD_CORE 1850 select REGMAP_I2C 1851 help 1852 If you say yes here you get support for the TPS6586X series of 1853 Power Management chips. 1854 This driver provides common support for accessing the device, 1855 additional drivers must be enabled in order to use the 1856 functionality of the device. 1857 1858 This driver can also be built as a module. If so, the module 1859 will be called tps6586x. 1860 1861config MFD_TPS65910 1862 bool "TI TPS65910 Power Management chip" 1863 depends on I2C=y 1864 depends on GPIOLIB || COMPILE_TEST 1865 select MFD_CORE 1866 select REGMAP_I2C 1867 select REGMAP_IRQ 1868 select IRQ_DOMAIN 1869 help 1870 if you say yes here you get support for the TPS65910 series of 1871 Power Management chips. 1872 1873config MFD_TPS65912 1874 tristate 1875 select MFD_CORE 1876 select REGMAP 1877 select REGMAP_IRQ 1878 1879config MFD_TPS65912_I2C 1880 tristate "TI TPS65912 Power Management chip with I2C" 1881 select MFD_TPS65912 1882 select REGMAP_I2C 1883 depends on I2C 1884 help 1885 If you say yes here you get support for the TPS65912 series of 1886 PM chips with I2C interface. 1887 1888config MFD_TPS65912_SPI 1889 tristate "TI TPS65912 Power Management chip with SPI" 1890 select MFD_TPS65912 1891 select REGMAP_SPI 1892 depends on SPI_MASTER 1893 help 1894 If you say yes here you get support for the TPS65912 series of 1895 PM chips with SPI interface. 1896 1897config MFD_TPS6594 1898 tristate 1899 select MFD_CORE 1900 select REGMAP 1901 select REGMAP_IRQ 1902 1903config MFD_TPS6594_I2C 1904 tristate "TI TPS6594 Power Management chip with I2C" 1905 select MFD_TPS6594 1906 select REGMAP_I2C 1907 select CRC8 1908 depends on I2C 1909 help 1910 If you say yes here you get support for the TPS6594 series of 1911 PM chips with I2C interface. 1912 1913 This driver can also be built as a module. If so, the module 1914 will be called tps6594-i2c. 1915 1916config MFD_TPS6594_SPI 1917 tristate "TI TPS6594 Power Management chip with SPI" 1918 select MFD_TPS6594 1919 select REGMAP_SPI 1920 select CRC8 1921 depends on SPI_MASTER 1922 help 1923 If you say yes here you get support for the TPS6594 series of 1924 PM chips with SPI interface. 1925 1926 This driver can also be built as a module. If so, the module 1927 will be called tps6594-spi. 1928 1929config TWL4030_CORE 1930 bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support" 1931 depends on I2C=y 1932 select IRQ_DOMAIN 1933 select MFD_CORE 1934 select REGMAP_I2C 1935 help 1936 Say yes here if you have TWL4030 / TWL6030 family chip on your board. 1937 This core driver provides register access and IRQ handling 1938 facilities, and registers devices for the various functions 1939 so that function-specific drivers can bind to them. 1940 1941 These multi-function chips are found on many OMAP2 and OMAP3 1942 boards, providing power management, RTC, GPIO, keypad, a 1943 high speed USB OTG transceiver, an audio codec (on most 1944 versions) and many other features. 1945 1946config TWL4030_POWER 1947 bool "TI TWL4030 power resources" 1948 depends on TWL4030_CORE && ARM 1949 help 1950 Say yes here if you want to use the power resources on the 1951 TWL4030 family chips. Most of these resources are regulators, 1952 which have a separate driver; some are control signals, such 1953 as clock request handshaking. 1954 1955 This driver uses board-specific data to initialize the resources 1956 and load scripts controlling which resources are switched off/on 1957 or reset when a sleep, wakeup or warm reset event occurs. 1958 1959config MFD_TWL4030_AUDIO 1960 bool "TI TWL4030 Audio" 1961 depends on TWL4030_CORE 1962 select MFD_CORE 1963 default n 1964 1965config TWL6040_CORE 1966 bool "TI TWL6040 audio codec" 1967 depends on I2C=y 1968 select MFD_CORE 1969 select REGMAP_I2C 1970 select REGMAP_IRQ 1971 default n 1972 help 1973 Say yes here if you want support for Texas Instruments TWL6040 audio 1974 codec. 1975 This driver provides common support for accessing the device, 1976 additional drivers must be enabled in order to use the 1977 functionality of the device (audio, vibra). 1978 1979config MENELAUS 1980 bool "TI TWL92330/Menelaus PM chip" 1981 depends on I2C=y && ARCH_OMAP2 1982 help 1983 If you say yes here you get support for the Texas Instruments 1984 TWL92330/Menelaus Power Management chip. This include voltage 1985 regulators, Dual slot memory card transceivers, real-time clock 1986 and other features that are often used in portable devices like 1987 cell phones and PDAs. 1988 1989config MFD_WL1273_CORE 1990 tristate "TI WL1273 FM radio" 1991 depends on I2C 1992 select MFD_CORE 1993 default n 1994 help 1995 This is the core driver for the TI WL1273 FM radio. This MFD 1996 driver connects the radio-wl1273 V4L2 module and the wl1273 1997 audio codec. 1998 1999config MFD_LM3533 2000 tristate "TI/National Semiconductor LM3533 Lighting Power chip" 2001 depends on I2C 2002 select MFD_CORE 2003 select REGMAP_I2C 2004 help 2005 Say yes here to enable support for National Semiconductor / TI 2006 LM3533 Lighting Power chips. 2007 2008 This driver provides common support for accessing the device; 2009 additional drivers must be enabled in order to use the LED, 2010 backlight or ambient-light-sensor functionality of the device. 2011 2012config MFD_TIMBERDALE 2013 tristate "Timberdale FPGA" 2014 select MFD_CORE 2015 depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST) 2016 help 2017 This is the core driver for the timberdale FPGA. This device is a 2018 multifunction device which exposes numerous platform devices. 2019 2020 The timberdale FPGA can be found on the Intel Atom development board 2021 for in-vehicle infotainment, called Russellville. 2022 2023config MFD_TC3589X 2024 bool "Toshiba TC35892 and variants" 2025 depends on I2C=y 2026 depends on OF 2027 select MFD_CORE 2028 help 2029 Support for the Toshiba TC35892 and variants I/O Expander. 2030 2031 This driver provides common support for accessing the device, 2032 additional drivers must be enabled in order to use the 2033 functionality of the device. 2034 2035config MFD_TQMX86 2036 tristate "TQ-Systems IO controller TQMX86" 2037 select MFD_CORE 2038 help 2039 Say yes here to enable support for various functions of the 2040 TQ-Systems IO controller and watchdog device, found on their 2041 ComExpress CPU modules. 2042 2043config MFD_VX855 2044 tristate "VIA VX855/VX875 integrated south bridge" 2045 depends on PCI 2046 select MFD_CORE 2047 help 2048 Say yes here to enable support for various functions of the 2049 VIA VX855/VX875 south bridge. You will need to enable the vx855_spi 2050 and/or vx855_gpio drivers for this to do anything useful. 2051 2052config MFD_ARIZONA 2053 select REGMAP 2054 select REGMAP_IRQ 2055 select MFD_CORE 2056 tristate 2057 2058config MFD_ARIZONA_I2C 2059 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C" 2060 select MFD_ARIZONA 2061 select REGMAP_I2C 2062 depends on I2C 2063 help 2064 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform 2065 audio SoC core functionality controlled via I2C. 2066 2067config MFD_ARIZONA_SPI 2068 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with SPI" 2069 select MFD_ARIZONA 2070 select REGMAP_SPI 2071 depends on SPI_MASTER 2072 help 2073 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform 2074 audio SoC core functionality controlled via SPI. 2075 2076config MFD_CS47L24 2077 bool "Cirrus Logic CS47L24 and WM1831" 2078 depends on MFD_ARIZONA 2079 help 2080 Support for Cirrus Logic CS47L24 and WM1831 low power audio SoC 2081 2082config MFD_WM5102 2083 bool "Wolfson Microelectronics WM5102" 2084 depends on MFD_ARIZONA 2085 help 2086 Support for Wolfson Microelectronics WM5102 low power audio SoC 2087 2088config MFD_WM5110 2089 bool "Wolfson Microelectronics WM5110 and WM8280/WM8281" 2090 depends on MFD_ARIZONA 2091 help 2092 Support for Wolfson Microelectronics WM5110 and WM8280/WM8281 2093 low power audio SoC 2094 2095config MFD_WM8997 2096 bool "Wolfson Microelectronics WM8997" 2097 depends on MFD_ARIZONA 2098 help 2099 Support for Wolfson Microelectronics WM8997 low power audio SoC 2100 2101config MFD_WM8998 2102 bool "Wolfson Microelectronics WM8998" 2103 depends on MFD_ARIZONA 2104 help 2105 Support for Wolfson Microelectronics WM8998 low power audio SoC 2106 2107config MFD_WM8400 2108 bool "Wolfson Microelectronics WM8400" 2109 select MFD_CORE 2110 depends on I2C=y 2111 select REGMAP_I2C 2112 help 2113 Support for the Wolfson Microelecronics WM8400 PMIC and audio 2114 CODEC. This driver provides common support for accessing 2115 the device, additional drivers must be enabled in order to use 2116 the functionality of the device. 2117 2118config MFD_WM831X 2119 bool 2120 2121config MFD_WM831X_I2C 2122 bool "Wolfson Microelectronics WM831x/2x PMICs with I2C" 2123 select MFD_CORE 2124 select MFD_WM831X 2125 select REGMAP_I2C 2126 select IRQ_DOMAIN 2127 depends on I2C=y 2128 help 2129 Support for the Wolfson Microelecronics WM831x and WM832x PMICs 2130 when controlled using I2C. This driver provides common support 2131 for accessing the device, additional drivers must be enabled in 2132 order to use the functionality of the device. 2133 2134config MFD_WM831X_SPI 2135 bool "Wolfson Microelectronics WM831x/2x PMICs with SPI" 2136 select MFD_CORE 2137 select MFD_WM831X 2138 select REGMAP_SPI 2139 select IRQ_DOMAIN 2140 depends on SPI_MASTER 2141 help 2142 Support for the Wolfson Microelecronics WM831x and WM832x PMICs 2143 when controlled using SPI. This driver provides common support 2144 for accessing the device, additional drivers must be enabled in 2145 order to use the functionality of the device. 2146 2147config MFD_WM8350 2148 bool 2149 2150config MFD_WM8350_I2C 2151 bool "Wolfson Microelectronics WM8350 with I2C" 2152 select MFD_WM8350 2153 select REGMAP_I2C 2154 depends on I2C=y 2155 help 2156 The WM8350 is an integrated audio and power management 2157 subsystem with watchdog and RTC functionality for embedded 2158 systems. This option enables core support for the WM8350 with 2159 I2C as the control interface. Additional options must be 2160 selected to enable support for the functionality of the chip. 2161 2162config MFD_WM8994 2163 tristate "Wolfson Microelectronics WM8994" 2164 select MFD_CORE 2165 select REGMAP_I2C 2166 select REGMAP_IRQ 2167 depends on I2C 2168 help 2169 The WM8994 is a highly integrated hi-fi CODEC designed for 2170 smartphone applications. As well as audio functionality it 2171 has on board GPIO and regulator functionality which is 2172 supported via the relevant subsystems. This driver provides 2173 core support for the WM8994, in order to use the actual 2174 functionality of the device other drivers must be enabled. 2175 2176config MFD_WM97xx 2177 tristate "Wolfson Microelectronics WM97xx" 2178 select MFD_CORE 2179 select REGMAP_AC97 2180 select AC97_BUS_COMPAT 2181 depends on AC97_BUS_NEW 2182 help 2183 The WM9705, WM9712 and WM9713 is a highly integrated hi-fi CODEC 2184 designed for smartphone applications. As well as audio functionality 2185 it has on board GPIO and a touchscreen functionality which is 2186 supported via the relevant subsystems. This driver provides core 2187 support for the WM97xx, in order to use the actual functionality of 2188 the device other drivers must be enabled. 2189 2190config MFD_STW481X 2191 tristate "Support for ST Microelectronics STw481x" 2192 depends on I2C && (ARCH_NOMADIK || COMPILE_TEST) 2193 select REGMAP_I2C 2194 select MFD_CORE 2195 help 2196 Select this option to enable the STw481x chip driver used 2197 in various ST Microelectronics and ST-Ericsson embedded 2198 Nomadik series. 2199 2200config MFD_ROHM_BD718XX 2201 tristate "ROHM BD71837 Power Management IC" 2202 depends on I2C=y 2203 depends on OF 2204 select REGMAP_I2C 2205 select REGMAP_IRQ 2206 select MFD_CORE 2207 help 2208 Select this option to get support for the ROHM BD71837 2209 Power Management ICs. BD71837 is designed to power processors like 2210 NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring 2211 and emergency shut down as well as 32,768KHz clock output. 2212 2213config MFD_ROHM_BD71828 2214 tristate "ROHM BD71828 and BD71815 Power Management IC" 2215 depends on I2C=y 2216 depends on OF 2217 select REGMAP_I2C 2218 select REGMAP_IRQ 2219 select MFD_CORE 2220 help 2221 Select this option to get support for the ROHM BD71828 and BD71815 2222 Power Management ICs. BD71828GW and BD71815AGW are single-chip power 2223 management ICs mainly for battery-powered portable devices. 2224 The BD71828 integrates 7 buck converters and 7 LDOs. The BD71815 2225 has 5 bucks, 7 LDOs, and a boost for driving LEDs. Both ICs provide 2226 also a single-cell linear charger, a Coulomb counter, a real-time 2227 clock (RTC), GPIOs and a 32.768 kHz clock gate. 2228 2229config MFD_ROHM_BD957XMUF 2230 tristate "ROHM BD9576MUF and BD9573MUF Power Management ICs" 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 BD9576MUF and 2238 BD9573MUF Power Management ICs. BD9576 and BD9573 are primarily 2239 designed to be used to power R-Car series processors. 2240 2241config MFD_ROHM_BD96801 2242 tristate "ROHM BD96801 Power Management IC" 2243 depends on I2C=y 2244 depends on OF 2245 select REGMAP_I2C 2246 select REGMAP_IRQ 2247 select MFD_CORE 2248 help 2249 Select this option to get support for the ROHM BD96801 Power 2250 Management IC. The ROHM BD96801 is a highly scalable Power Management 2251 IC for industrial and automotive use. The BD96801 can be used as a 2252 master PMIC in a chained PMIC solution with suitable companion PMICs. 2253 2254config MFD_STM32_LPTIMER 2255 tristate "Support for STM32 Low-Power Timer" 2256 depends on (ARCH_STM32 && OF) || COMPILE_TEST 2257 select MFD_CORE 2258 select REGMAP 2259 select REGMAP_MMIO 2260 help 2261 Select this option to enable STM32 Low-Power Timer driver 2262 used for PWM, IIO Trigger, IIO Encoder and Counter. Shared 2263 resources are also dealt with here. 2264 2265 To compile this driver as a module, choose M here: the 2266 module will be called stm32-lptimer. 2267 2268config MFD_STM32_TIMERS 2269 tristate "Support for STM32 Timers" 2270 depends on (ARCH_STM32 && OF) || COMPILE_TEST 2271 select MFD_CORE 2272 select REGMAP 2273 select REGMAP_MMIO 2274 help 2275 Select this option to enable STM32 timers driver used 2276 for PWM and IIO Timer. This driver allow to share the 2277 registers between the others drivers. 2278 2279config MFD_STPMIC1 2280 tristate "Support for STPMIC1 PMIC" 2281 depends on I2C=y && OF 2282 select REGMAP_I2C 2283 select REGMAP_IRQ 2284 select MFD_CORE 2285 help 2286 Support for ST Microelectronics STPMIC1 PMIC. STPMIC1 has power on 2287 key, watchdog and regulator functionalities which are supported via 2288 the relevant subsystems. This driver provides core support for the 2289 STPMIC1. In order to use the actual functionality of the device other 2290 drivers must be enabled. 2291 2292 To compile this driver as a module, choose M here: the 2293 module will be called stpmic1. 2294 2295config MFD_STMFX 2296 tristate "Support for STMicroelectronics Multi-Function eXpander (STMFX)" 2297 depends on I2C 2298 depends on OF 2299 select MFD_CORE 2300 select REGMAP_I2C 2301 help 2302 Support for the STMicroelectronics Multi-Function eXpander. 2303 2304 This driver provides common support for accessing the device, 2305 additional drivers must be enabled in order to use the functionality 2306 of the device. 2307 2308config MFD_WCD934X 2309 tristate "Support for WCD9340/WCD9341 Codec" 2310 depends on SLIMBUS 2311 select REGMAP 2312 select REGMAP_SLIMBUS 2313 select REGMAP_IRQ 2314 select MFD_CORE 2315 help 2316 Support for the Qualcomm WCD9340/WCD9341 Codec. 2317 This driver provides common support WCD934x audio codec and its 2318 associated Pin Controller, Soundwire Controller and Audio codec. 2319 2320config MFD_ATC260X 2321 tristate 2322 select MFD_CORE 2323 select REGMAP 2324 select REGMAP_IRQ 2325 2326config MFD_ATC260X_I2C 2327 tristate "Actions Semi ATC260x PMICs with I2C" 2328 select MFD_ATC260X 2329 select REGMAP_I2C 2330 depends on I2C 2331 help 2332 Support for the Actions Semi ATC260x PMICs controlled via I2C. 2333 2334 This driver provides common support for accessing the ATC2603C 2335 and ATC2609A chip variants, additional drivers must be enabled 2336 in order to use the functionality of the device. 2337 2338config MFD_KHADAS_MCU 2339 tristate "Support for Khadas System control Microcontroller" 2340 depends on I2C 2341 depends on ARCH_MESON || ARCH_ROCKCHIP || COMPILE_TEST 2342 select MFD_CORE 2343 select REGMAP_I2C 2344 help 2345 Support for the Khadas System control Microcontroller interface 2346 present on their VIM and Edge boards. 2347 2348 This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and 2349 Edge boards. 2350 2351 It provides multiple boot control features like password check, 2352 power-on options, power-off control and system FAN control on recent 2353 boards. 2354 2355 This driver provides common support for accessing the device, 2356 additional drivers must be enabled in order to use the functionality 2357 of the device. 2358 2359config MFD_ACER_A500_EC 2360 tristate "Support for Acer Iconia Tab A500 Embedded Controller" 2361 depends on I2C 2362 depends on (ARCH_TEGRA_2x_SOC && OF) || COMPILE_TEST 2363 select MFD_CORE 2364 select REGMAP 2365 help 2366 Support for Embedded Controller found on Acer Iconia Tab A500. 2367 The controller itself is ENE KB930, it is running firmware 2368 customized for the specific needs of the Acer A500 hardware. 2369 2370config MFD_QCOM_PM8008 2371 tristate "QCOM PM8008 Power Management IC" 2372 depends on I2C && OF 2373 select MFD_CORE 2374 select REGMAP_I2C 2375 select REGMAP_IRQ 2376 help 2377 Select this option to get support for the Qualcomm Technologies, Inc. 2378 PM8008 PMIC chip. PM8008 is a dedicated camera PMIC that integrates 2379 all the necessary power management, housekeeping, and interface 2380 support functions into a single IC. This driver provides common 2381 support for accessing the device by instantiating all the child nodes 2382 under it in the device tree. Additional drivers must be enabled in 2383 order to use the functionality of the device. 2384 2385menu "Multimedia Capabilities Port drivers" 2386 depends on ARCH_SA1100 2387 2388config MCP 2389 tristate 2390 2391# Interface drivers 2392config MCP_SA11X0 2393 tristate "Support SA11x0 MCP interface" 2394 depends on ARCH_SA1100 2395 select MCP 2396 2397# Chip drivers 2398config MCP_UCB1200 2399 tristate "Support for UCB1200 / UCB1300" 2400 depends on MCP_SA11X0 2401 select MCP 2402 2403config MCP_UCB1200_TS 2404 tristate "Touchscreen interface support" 2405 depends on MCP_UCB1200 && INPUT 2406 2407endmenu 2408 2409config MFD_VEXPRESS_SYSREG 2410 tristate "Versatile Express System Registers" 2411 depends on VEXPRESS_CONFIG && GPIOLIB 2412 default y 2413 select GPIO_GENERIC_PLATFORM 2414 select MFD_CORE 2415 select MFD_SYSCON 2416 help 2417 System Registers are the platform configuration block 2418 on the ARM Ltd. Versatile Express board. 2419 2420config RAVE_SP_CORE 2421 tristate "RAVE SP MCU core driver" 2422 depends on SERIAL_DEV_BUS 2423 select CRC_ITU_T 2424 help 2425 Select this to get support for the Supervisory Processor 2426 device found on several devices in RAVE line of hardware. 2427 2428config SGI_MFD_IOC3 2429 bool "SGI IOC3 core driver" 2430 depends on PCI && MIPS && 64BIT 2431 select MFD_CORE 2432 help 2433 This option enables basic support for the SGI IOC3-based 2434 controller cards. This option does not enable any specific 2435 functions on such a card, but provides necessary infrastructure 2436 for other drivers to utilize. 2437 2438 If you have an SGI Origin, Octane, or a PCI IOC3 card, 2439 then say Y. Otherwise say N. 2440 2441config MFD_INTEL_M10_BMC_CORE 2442 tristate 2443 select MFD_CORE 2444 select REGMAP 2445 default n 2446 2447config MFD_INTEL_M10_BMC_SPI 2448 tristate "Intel MAX 10 Board Management Controller with SPI" 2449 depends on SPI_MASTER 2450 select MFD_INTEL_M10_BMC_CORE 2451 select REGMAP_SPI_AVMM 2452 help 2453 Support for the Intel MAX 10 board management controller using the 2454 SPI interface. 2455 2456 This driver provides common support for accessing the device, 2457 additional drivers must be enabled in order to use the functionality 2458 of the device. 2459 2460config MFD_INTEL_M10_BMC_PMCI 2461 tristate "Intel MAX 10 Board Management Controller with PMCI" 2462 depends on FPGA_DFL 2463 select MFD_INTEL_M10_BMC_CORE 2464 select REGMAP 2465 help 2466 Support for the Intel MAX 10 board management controller via PMCI. 2467 2468 This driver provides common support for accessing the device, 2469 additional drivers must be enabled in order to use the functionality 2470 of the device. 2471 2472config MFD_LOONGSON_SE 2473 tristate "Loongson Security Engine chip controller driver" 2474 depends on LOONGARCH && ACPI 2475 select MFD_CORE 2476 help 2477 The Loongson Security Engine chip supports RNG, SM2, SM3 and 2478 SM4 accelerator engines. Each engine have its own DMA buffer 2479 provided by the controller. The kernel cannot directly send 2480 commands to the engine and must first send them to the controller, 2481 which will forward them to the corresponding engine. 2482 2483config MFD_LS2K_BMC_CORE 2484 bool "Loongson-2K Board Management Controller Support" 2485 depends on PCI && ACPI_GENERIC_GSI 2486 select MFD_CORE 2487 help 2488 Say yes here to add support for the Loongson-2K BMC which is a Board 2489 Management Controller connected to the PCIe bus. The device supports 2490 multiple sub-devices like display and IPMI. This driver provides common 2491 support for accessing the devices. 2492 2493 The display is enabled by default in the driver, while the IPMI interface 2494 is enabled independently through the IPMI_LS2K option in the IPMI section. 2495 2496config MFD_QNAP_MCU 2497 tristate "QNAP microcontroller unit core driver" 2498 depends on SERIAL_DEV_BUS 2499 select MFD_CORE 2500 help 2501 Select this to get support for the QNAP MCU device found in 2502 several devices of QNAP network attached storage products that 2503 implements additional functionality for the device, like fan 2504 and LED control. 2505 2506 This driver implements the base serial protocol to talk to the 2507 device and provides functions for the other parts to hook into. 2508 2509config MFD_RSMU_I2C 2510 tristate "Renesas Synchronization Management Unit with I2C" 2511 depends on I2C && OF 2512 select MFD_CORE 2513 select REGMAP_I2C 2514 help 2515 Support for the Renesas Synchronization Management Unit, such as 2516 Clockmatrix and 82P33XXX series. This option supports I2C as 2517 the control interface. 2518 2519 This driver provides common support for accessing the device. 2520 Additional drivers must be enabled in order to use the functionality 2521 of the device. 2522 2523config MFD_RSMU_SPI 2524 tristate "Renesas Synchronization Management Unit with SPI" 2525 depends on SPI && OF 2526 select MFD_CORE 2527 select REGMAP_SPI 2528 help 2529 Support for the Renesas Synchronization Management Unit, such as 2530 Clockmatrix and 82P33XXX series. This option supports SPI as 2531 the control interface. 2532 2533 This driver provides common support for accessing the device. 2534 Additional drivers must be enabled in order to use the functionality 2535 of the device. 2536 2537config MFD_UPBOARD_FPGA 2538 tristate "Support for the AAeon UP board FPGA" 2539 depends on (X86 && ACPI) 2540 select MFD_CORE 2541 help 2542 Select this option to enable the AAEON UP and UP^2 onboard FPGA. 2543 This is the core driver of this FPGA, which has a pin controller and a 2544 LED controller. 2545 2546 To compile this driver as a module, choose M here: the module will be 2547 called upboard-fpga. 2548 2549config MFD_MAX7360 2550 tristate "Maxim MAX7360 I2C IO Expander" 2551 depends on I2C 2552 select MFD_CORE 2553 select REGMAP_I2C 2554 select REGMAP_IRQ 2555 help 2556 Say yes here to add support for Maxim MAX7360 device, embedding 2557 keypad, rotary encoder, PWM and GPIO features. 2558 2559 This driver provides common support for accessing the device; 2560 additional drivers must be enabled in order to use the functionality 2561 of the device. 2562 2563endmenu 2564endif 2565