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 help 133 If you say yes here you get support for the AAT2870. 134 This driver provides common support for accessing the device, 135 additional drivers must be enabled in order to use the 136 functionality of the device. 137 138config MFD_AT91_USART 139 tristate "AT91 USART Driver" 140 select MFD_CORE 141 depends on ARCH_AT91 || ARCH_LAN969X || COMPILE_TEST 142 help 143 Select this to get support for AT91 USART IP. This is a wrapper 144 over at91-usart-serial driver and usart-spi-driver. Only one function 145 can be used at a time. The choice is done at boot time by the probe 146 function of this MFD driver according to a device tree property. 147 148config MFD_ATMEL_FLEXCOM 149 tristate "Atmel Flexcom (Flexible Serial Communication Unit)" 150 select MFD_CORE 151 depends on OF 152 help 153 Select this to get support for Atmel Flexcom. This is a wrapper 154 which embeds a SPI controller, a I2C controller and a USART. Only 155 one function can be used at a time. The choice is done at boot time 156 by the probe function of this MFD driver according to a device tree 157 property. 158 159config MFD_ATMEL_HLCDC 160 tristate "Atmel HLCDC (High-end LCD Controller)" 161 select MFD_CORE 162 select REGMAP_MMIO 163 depends on OF 164 help 165 If you say yes here you get support for the HLCDC block. 166 This driver provides common support for accessing the device, 167 additional drivers must be enabled in order to use the 168 functionality of the device. 169 170config MFD_ATMEL_SMC 171 bool 172 select MFD_SYSCON 173 174config MFD_BCM590XX 175 tristate "Broadcom BCM590xx PMUs" 176 select MFD_CORE 177 select REGMAP_I2C 178 depends on I2C 179 help 180 Support for the BCM590xx PMUs from Broadcom 181 182config MFD_BD9571MWV 183 tristate "ROHM BD9571MWV PMIC" 184 select MFD_CORE 185 select REGMAP_I2C 186 select REGMAP_IRQ 187 depends on I2C 188 help 189 Support for the ROHM BD9571MWV PMIC, which contains single 190 voltage regulator, voltage sampling units, GPIO block and 191 watchdog block. 192 193 This driver can also be built as a module. If so, the module 194 will be called bd9571mwv. 195 196config MFD_AC100 197 tristate "X-Powers AC100" 198 select MFD_CORE 199 depends on SUNXI_RSB 200 help 201 If you say Y here you get support for the X-Powers AC100 audio codec 202 IC. 203 This driver include only the core APIs. You have to select individual 204 components like codecs or RTC under the corresponding menus. 205 206config MFD_AXP20X 207 tristate 208 select MFD_CORE 209 select REGMAP_IRQ 210 211config MFD_AXP20X_I2C 212 tristate "X-Powers AXP series PMICs with I2C" 213 select MFD_AXP20X 214 select REGMAP_I2C 215 depends on I2C 216 help 217 If you say Y here you get support for the X-Powers AXP series power 218 management ICs (PMICs) controlled with I2C. 219 This driver include only the core APIs. You have to select individual 220 components like regulators or the PEK (Power Enable Key) under the 221 corresponding menus. 222 223 Note on x86 this provides an ACPI OpRegion, so this must be 'y' 224 (builtin) and not a module, as the OpRegion must be available as 225 soon as possible. For the same reason the I2C bus driver options 226 I2C_DESIGNWARE_PLATFORM and I2C_DESIGNWARE_BAYTRAIL must be 'y' too. 227 228config MFD_AXP20X_RSB 229 tristate "X-Powers AXP series PMICs with RSB" 230 select MFD_AXP20X 231 depends on SUNXI_RSB 232 help 233 If you say Y here you get support for the X-Powers AXP series power 234 management ICs (PMICs) controlled with RSB. 235 This driver include only the core APIs. You have to select individual 236 components like regulators or the PEK (Power Enable Key) under the 237 corresponding menus. 238 239config MFD_CGBC 240 tristate "Congatec Board Controller" 241 select MFD_CORE 242 depends on X86 243 help 244 This is the core driver of the Board Controller found on some Congatec 245 SMARC modules. The Board Controller provides functions like watchdog, 246 I2C busses, and GPIO controller. 247 248 To compile this driver as a module, choose M here: the module will be 249 called cgbc-core. 250 251config MFD_CROS_EC_DEV 252 tristate "ChromeOS Embedded Controller multifunction device" 253 select MFD_CORE 254 depends on CROS_EC 255 default CROS_EC 256 help 257 Select this to get support for ChromeOS Embedded Controller 258 sub-devices. This driver will instantiate additional drivers such 259 as RTC, USBPD, etc. but you have to select the individual drivers. 260 261 To compile this driver as a module, choose M here: the module will be 262 called cros-ec-dev. 263 264config MFD_CS40L50_CORE 265 tristate 266 select MFD_CORE 267 select FW_CS_DSP 268 select REGMAP_IRQ 269 270config MFD_CS40L50_I2C 271 tristate "Cirrus Logic CS40L50 (I2C)" 272 select REGMAP_I2C 273 select MFD_CS40L50_CORE 274 depends on I2C 275 help 276 Select this to support the Cirrus Logic CS40L50 Haptic 277 Driver over I2C. 278 279 This driver can be built as a module. If built as a module it will be 280 called "cs40l50-i2c". 281 282config MFD_CS40L50_SPI 283 tristate "Cirrus Logic CS40L50 (SPI)" 284 select REGMAP_SPI 285 select MFD_CS40L50_CORE 286 depends on SPI 287 help 288 Select this to support the Cirrus Logic CS40L50 Haptic 289 Driver over SPI. 290 291 This driver can be built as a module. If built as a module it will be 292 called "cs40l50-spi". 293 294config MFD_CS42L43 295 tristate 296 select MFD_CORE 297 select REGMAP 298 select REGMAP_IRQ 299 300config MFD_CS42L43_I2C 301 tristate "Cirrus Logic CS42L43 (I2C)" 302 depends on I2C 303 select REGMAP_I2C 304 select MFD_CS42L43 305 help 306 Select this to support the Cirrus Logic CS42L43 PC CODEC with 307 headphone and class D speaker drivers over I2C. 308 309config MFD_CS42L43_SDW 310 tristate "Cirrus Logic CS42L43 (SoundWire)" 311 depends on SOUNDWIRE 312 select REGMAP_SOUNDWIRE 313 select MFD_CS42L43 314 help 315 Select this to support the Cirrus Logic CS42L43 PC CODEC with 316 headphone and class D speaker drivers over SoundWire. 317 318config MFD_LOCHNAGAR 319 bool "Cirrus Logic Lochnagar Audio Development Board" 320 select MFD_CORE 321 select REGMAP_I2C 322 depends on I2C=y && OF 323 help 324 Support for Cirrus Logic Lochnagar audio development board. 325 326config MFD_MACSMC 327 tristate "Apple Silicon System Management Controller (SMC)" 328 depends on ARCH_APPLE || COMPILE_TEST 329 depends on OF 330 depends on APPLE_RTKIT 331 select MFD_CORE 332 help 333 The System Management Controller (SMC) on Apple Silicon machines is a 334 piece of hardware that exposes various functionalities such as 335 temperature sensors, voltage/power meters, shutdown/reboot handling, 336 GPIOs and more. 337 338 Communication happens via a shared mailbox using the RTKit protocol 339 which is also used for other co-processors. The SMC protocol then 340 allows reading and writing many different keys which implement the 341 various features. The MFD core device handles this protocol and 342 exposes it to the sub-devices. 343 344config MFD_MADERA 345 tristate "Cirrus Logic Madera codecs" 346 select MFD_CORE 347 select REGMAP 348 select REGMAP_IRQ 349 select MADERA_IRQ 350 select PINCTRL 351 select PINCTRL_MADERA 352 help 353 Support for the Cirrus Logic Madera platform audio codecs 354 355config MFD_MADERA_I2C 356 tristate "Cirrus Logic Madera codecs with I2C" 357 depends on MFD_MADERA 358 depends on I2C 359 select REGMAP_I2C 360 help 361 Support for the Cirrus Logic Madera platform audio SoC 362 core functionality controlled via I2C. 363 364config MFD_MADERA_SPI 365 tristate "Cirrus Logic Madera codecs with SPI" 366 depends on MFD_MADERA 367 depends on SPI_MASTER 368 select REGMAP_SPI 369 help 370 Support for the Cirrus Logic Madera platform audio SoC 371 core functionality controlled via SPI. 372 373config MFD_CS47L15 374 bool "Cirrus Logic CS47L15" 375 select PINCTRL_CS47L15 376 depends on MFD_MADERA 377 help 378 Support for Cirrus Logic CS47L15 Smart Codec 379 380config MFD_CS47L35 381 bool "Cirrus Logic CS47L35" 382 select PINCTRL_CS47L35 383 depends on MFD_MADERA 384 help 385 Support for Cirrus Logic CS47L35 Smart Codec 386 387config MFD_CS47L85 388 bool "Cirrus Logic CS47L85" 389 select PINCTRL_CS47L85 390 depends on MFD_MADERA 391 help 392 Support for Cirrus Logic CS47L85 Smart Codec 393 394config MFD_CS47L90 395 bool "Cirrus Logic CS47L90/91" 396 select PINCTRL_CS47L90 397 depends on MFD_MADERA 398 help 399 Support for Cirrus Logic CS47L90 and CS47L91 Smart Codecs 400 401config MFD_CS47L92 402 bool "Cirrus Logic CS47L92/93" 403 select PINCTRL_CS47L92 404 depends on MFD_MADERA 405 help 406 Support for Cirrus Logic CS42L92, CS47L92 and CS47L93 Smart Codecs 407 408config PMIC_DA903X 409 bool "Dialog Semiconductor DA9030/DA9034 PMIC Support" 410 depends on I2C=y 411 help 412 Say yes here to add support for Dialog Semiconductor DA9030 (a.k.a 413 ARAVA) and DA9034 (a.k.a MICCO), these are Power Management IC 414 usually found on PXA processors-based platforms. This includes 415 the I2C driver and the core APIs _only_, you have to select 416 individual components like LCD backlight, voltage regulators, 417 LEDs and battery-charger under the corresponding menus. 418 419config PMIC_DA9052 420 bool 421 select MFD_CORE 422 423config MFD_DA9052_SPI 424 bool "Dialog Semiconductor DA9052/53 PMIC variants with SPI" 425 select REGMAP_SPI 426 select REGMAP_IRQ 427 select PMIC_DA9052 428 depends on SPI_MASTER=y 429 help 430 Support for the Dialog Semiconductor DA9052 PMIC 431 when controlled using SPI. This driver provides common support 432 for accessing the device, additional drivers must be enabled in 433 order to use the functionality of the device. 434 435config MFD_DA9052_I2C 436 bool "Dialog Semiconductor DA9052/53 PMIC variants with I2C" 437 select REGMAP_I2C 438 select REGMAP_IRQ 439 select PMIC_DA9052 440 depends on I2C=y 441 help 442 Support for the Dialog Semiconductor DA9052 PMIC 443 when controlled using I2C. This driver provides common support 444 for accessing the device, additional drivers must be enabled in 445 order to use the functionality of the device. 446 447config MFD_DA9055 448 bool "Dialog Semiconductor DA9055 PMIC Support" 449 select REGMAP_I2C 450 select REGMAP_IRQ 451 select MFD_CORE 452 depends on I2C=y 453 help 454 Say yes here for support of Dialog Semiconductor DA9055. This is 455 a Power Management IC. This driver provides common support for 456 accessing the device as well as the I2C interface to the chip itself. 457 Additional drivers must be enabled in order to use the functionality 458 of the device. 459 460config MFD_DA9062 461 tristate "Dialog Semiconductor DA9062/61 PMIC Support" 462 select MFD_CORE 463 select REGMAP_I2C 464 select REGMAP_IRQ 465 depends on I2C 466 help 467 Say yes here for support for the Dialog Semiconductor DA9061 and 468 DA9062 PMICs. 469 This includes the I2C driver and core APIs. 470 Additional drivers must be enabled in order to use the functionality 471 of the device. 472 473config MFD_DA9063 474 tristate "Dialog Semiconductor DA9063 PMIC Support" 475 select MFD_CORE 476 select REGMAP_I2C 477 select REGMAP_IRQ 478 depends on I2C 479 help 480 Say yes here for support for the Dialog Semiconductor DA9063 PMIC. 481 This includes the I2C driver and core APIs. 482 Additional drivers must be enabled in order to use the functionality 483 of the device. 484 485config MFD_DA9150 486 tristate "Dialog Semiconductor DA9150 Charger Fuel-Gauge chip" 487 depends on I2C 488 select MFD_CORE 489 select REGMAP_I2C 490 select REGMAP_IRQ 491 help 492 This adds support for the DA9150 integrated charger and fuel-gauge 493 chip. This driver provides common support for accessing the device. 494 Additional drivers must be enabled in order to use the specific 495 features of the device. 496 497config MFD_DLN2 498 tristate "Diolan DLN2 support" 499 select MFD_CORE 500 depends on USB 501 help 502 This adds support for Diolan USB-I2C/SPI/GPIO Master Adapter 503 DLN-2. Additional drivers such as I2C_DLN2, GPIO_DLN2, 504 etc. must be enabled in order to use the functionality of 505 the device. 506 507config MFD_ENE_KB3930 508 tristate "ENE KB3930 Embedded Controller support" 509 depends on I2C 510 depends on MACH_MMP3_DT || COMPILE_TEST 511 select MFD_CORE 512 help 513 This adds support for the power-off functionality and access to 514 the registers that control LEDS and USB port power on ENE KB3930 515 Embedded Controller. To use the LED functionality LEDS_ARIEL must 516 be enabled. 517 518config MFD_EXYNOS_LPASS 519 tristate "Samsung Exynos SoC Low Power Audio Subsystem" 520 depends on ARCH_EXYNOS || COMPILE_TEST 521 select MFD_CORE 522 select REGMAP_MMIO 523 help 524 Select this option to enable support for Samsung Exynos Low Power 525 Audio Subsystem present on some of Samsung Exynos 526 SoCs (e.g. Exynos5433). 527 Choose Y here only if you build for such Samsung SoC. 528 529config MFD_GATEWORKS_GSC 530 tristate "Gateworks System Controller" 531 depends on I2C && OF 532 select MFD_CORE 533 select REGMAP_I2C 534 select REGMAP_IRQ 535 help 536 Enable support for the Gateworks System Controller (GSC) found 537 on Gateworks Single Board Computers supporting system functions 538 such as push-button monitor, multiple ADC's for voltage and 539 temperature monitoring, fan controller and watchdog monitor. 540 This driver provides common support for accessing the device. 541 Additional drivers must be enabled in order to use the 542 functionality of the device. 543 544config MFD_MC13XXX 545 tristate 546 depends on SPI_MASTER || I2C 547 select MFD_CORE 548 select REGMAP_IRQ 549 help 550 Enable support for the Freescale MC13783 and MC13892 PMICs. 551 This driver provides common support for accessing the device, 552 additional drivers must be enabled in order to use the 553 functionality of the device. 554 555config MFD_MC13XXX_SPI 556 tristate "Freescale MC13783 and MC13892 SPI interface" 557 depends on SPI_MASTER 558 select REGMAP_SPI 559 select MFD_MC13XXX 560 help 561 Select this if your MC13xxx is connected via an SPI bus. 562 563config MFD_MC13XXX_I2C 564 tristate "Freescale MC13892 I2C interface" 565 depends on I2C 566 select REGMAP_I2C 567 select MFD_MC13XXX 568 help 569 Select this if your MC13xxx is connected via an I2C bus. 570 571config MFD_MP2629 572 tristate "Monolithic Power Systems MP2629 ADC and Battery charger" 573 depends on I2C 574 select REGMAP_I2C 575 select MFD_CORE 576 help 577 Select this option to enable support for Monolithic Power Systems 578 battery charger. This provides ADC, thermal and battery charger power 579 management functions. 580 581config MFD_MXS_LRADC 582 tristate "Freescale i.MX23/i.MX28 LRADC" 583 depends on ARCH_MXS || COMPILE_TEST 584 select MFD_CORE 585 select STMP_DEVICE 586 help 587 Say yes here to build support for the Low Resolution 588 Analog-to-Digital Converter (LRADC) found on the i.MX23 and i.MX28 589 processors. This driver provides common support for accessing the 590 device, additional drivers must be enabled in order to use the 591 functionality of the device: 592 mxs-lradc-adc for ADC readings 593 mxs-lradc-ts for touchscreen support 594 595 This driver can also be built as a module. If so, the module will be 596 called mxs-lradc. 597 598config MFD_MX25_TSADC 599 tristate "Freescale i.MX25 integrated Touchscreen and ADC unit" 600 select REGMAP_MMIO 601 depends on (SOC_IMX25 && OF) || COMPILE_TEST 602 help 603 Enable support for the integrated Touchscreen and ADC unit of the 604 i.MX25 processors. They consist of a conversion queue for general 605 purpose ADC and a queue for Touchscreens. 606 607config MFD_HI6421_PMIC 608 tristate "HiSilicon Hi6421 PMU/Codec IC" 609 depends on OF 610 select MFD_CORE 611 select REGMAP_MMIO 612 help 613 Add support for HiSilicon Hi6421 PMIC. Hi6421 includes multi- 614 functions, such as regulators, RTC, codec, Coulomb counter, etc. 615 This driver includes core APIs _only_. You have to select 616 individual components like voltage regulators under corresponding 617 menus in order to enable them. 618 We communicate with the Hi6421 via memory-mapped I/O. 619 620config MFD_HI6421_SPMI 621 tristate "HiSilicon Hi6421v600 SPMI PMU/Codec IC" 622 depends on OF 623 depends on SPMI 624 select MFD_CORE 625 select REGMAP_SPMI 626 help 627 Add support for HiSilicon Hi6421v600 SPMI PMIC. Hi6421 includes 628 multi-functions, such as regulators, RTC, codec, Coulomb counter, 629 etc. 630 631 This driver includes core APIs _only_. You have to select 632 individual components like voltage regulators under corresponding 633 menus in order to enable them. 634 We communicate with the Hi6421v600 via a SPMI bus. 635 636config MFD_HI655X_PMIC 637 tristate "HiSilicon Hi655X series PMU/Codec IC" 638 depends on ARCH_HISI || COMPILE_TEST 639 depends on OF 640 select MFD_CORE 641 select REGMAP_MMIO 642 select REGMAP_IRQ 643 help 644 Select this option to enable Hisilicon hi655x series pmic driver. 645 646config MFD_INTEL_QUARK_I2C_GPIO 647 tristate "Intel Quark MFD I2C GPIO" 648 depends on PCI 649 depends on X86 650 depends on COMMON_CLK 651 select MFD_CORE 652 help 653 This MFD provides support for I2C and GPIO that exist only 654 in a single PCI device. It splits the 2 IO devices to 655 their respective IO driver. 656 The GPIO exports a total amount of 8 interrupt-capable GPIOs. 657 658config LPC_ICH 659 tristate "Intel ICH LPC" 660 depends on PCI 661 select MFD_CORE 662 select P2SB if X86 663 help 664 The LPC bridge function of the Intel ICH provides support for 665 many functional units. This driver provides needed support for 666 other drivers to control these functions, currently GPIO and 667 watchdog. 668 669config LPC_SCH 670 tristate "Intel SCH LPC" 671 depends on PCI 672 select MFD_CORE 673 help 674 LPC bridge function of the Intel SCH provides support for 675 System Management Bus and General Purpose I/O. 676 677config INTEL_SOC_PMIC 678 bool "Support for Crystal Cove PMIC" 679 depends on HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK 680 depends on (X86 && ACPI) || COMPILE_TEST 681 depends on I2C_DESIGNWARE_PLATFORM=y || COMPILE_TEST 682 select MFD_CORE 683 select REGMAP_I2C 684 select REGMAP_IRQ 685 help 686 Select this option to enable support for Crystal Cove PMIC 687 on some Intel SoC systems. The PMIC provides ADC, GPIO, 688 thermal, charger and related power management functions 689 on these systems. 690 691 This option is a bool as it provides an ACPI OpRegion which must be 692 available before any devices using it are probed. This option also 693 causes the designware-i2c driver to be builtin for the same reason. 694 695config INTEL_SOC_PMIC_BXTWC 696 tristate "Support for Intel Broxton Whiskey Cove PMIC" 697 depends on MFD_INTEL_PMC_BXT 698 select MFD_CORE 699 select REGMAP_IRQ 700 help 701 Select this option to enable support for Whiskey Cove PMIC 702 on Intel Broxton systems. The PMIC provides ADC, GPIO, 703 thermal, charger and related power management functions 704 on these systems. 705 706config INTEL_SOC_PMIC_CHTWC 707 bool "Support for Intel Cherry Trail Whiskey Cove PMIC" 708 depends on ACPI && HAS_IOMEM && I2C=y && COMMON_CLK 709 depends on X86 || COMPILE_TEST 710 depends on I2C_DESIGNWARE_PLATFORM=y 711 select MFD_CORE 712 select REGMAP_I2C 713 select REGMAP_IRQ 714 help 715 Select this option to enable support for the Intel Cherry Trail 716 Whiskey Cove PMIC found on some Intel Cherry Trail systems. 717 718 This option is a bool as it provides an ACPI OpRegion which must be 719 available before any devices using it are probed. This option also 720 causes the designware-i2c driver to be builtin for the same reason. 721 722config INTEL_SOC_PMIC_CHTDC_TI 723 tristate "Support for Intel Cherry Trail Dollar Cove TI PMIC" 724 depends on GPIOLIB 725 depends on I2C=y && I2C_DESIGNWARE_PLATFORM=y 726 depends on ACPI 727 depends on X86 728 select MFD_CORE 729 select REGMAP_I2C 730 select REGMAP_IRQ 731 help 732 Select this option for supporting Dollar Cove (TI version) PMIC 733 device that is 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 needs the designware-i2c driver to be builtin for the same reason. 738 739config INTEL_SOC_PMIC_MRFLD 740 tristate "Support for Intel Merrifield Basin Cove PMIC" 741 depends on GPIOLIB 742 depends on ACPI 743 depends on INTEL_SCU 744 select MFD_CORE 745 select REGMAP_IRQ 746 help 747 Select this option for supporting Basin Cove PMIC device 748 that is found on Intel Merrifield systems. 749 750config MFD_INTEL_LPSS 751 tristate 752 select COMMON_CLK 753 select MFD_CORE 754 755config MFD_INTEL_LPSS_ACPI 756 tristate "Intel Low Power Subsystem support in ACPI mode" 757 select MFD_INTEL_LPSS 758 depends on X86 && ACPI 759 help 760 This driver supports Intel Low Power Subsystem (LPSS) devices such as 761 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake 762 PCH) in ACPI mode. 763 764config MFD_INTEL_LPSS_PCI 765 tristate "Intel Low Power Subsystem support in PCI mode" 766 select MFD_INTEL_LPSS 767 depends on X86 && PCI 768 help 769 This driver supports Intel Low Power Subsystem (LPSS) devices such as 770 I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake 771 PCH) in PCI mode. 772 773config MFD_INTEL_PMC_BXT 774 tristate "Intel PMC Driver for Broxton" 775 depends on X86 776 depends on X86_PLATFORM_DEVICES 777 depends on ACPI 778 select INTEL_SCU_IPC 779 select MFD_CORE 780 help 781 This driver provides support for the PMC (Power Management 782 Controller) on Intel Broxton and Apollo Lake. The PMC is a 783 multi-function device that exposes IPC, General Control 784 Register and P-unit access. In addition this creates devices 785 for iTCO watchdog and telemetry that are part of the PMC. 786 787config MFD_IPAQ_MICRO 788 bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support" 789 depends on SA1100_H3600 790 select MFD_CORE 791 help 792 Select this to get support for the Microcontroller found in 793 the Compaq iPAQ handheld computers. This is an Atmel 794 AT90LS8535 microcontroller flashed with a special iPAQ 795 firmware using the custom protocol implemented in this driver. 796 797config MFD_IQS62X 798 tristate "Azoteq IQS620A/621/622/624/625 core support" 799 depends on I2C 800 select MFD_CORE 801 select REGMAP_I2C 802 help 803 Say Y here if you want to build core support for the Azoteq IQS620A, 804 IQS621, IQS622, IQS624 and IQS625 multi-function sensors. Additional 805 options must be selected to enable device-specific functions. 806 807 To compile this driver as a module, choose M here: the module will 808 be called iqs62x. 809 810config MFD_JANZ_CMODIO 811 tristate "Janz CMOD-IO PCI MODULbus Carrier Board" 812 select MFD_CORE 813 depends on PCI 814 help 815 This is the core driver for the Janz CMOD-IO PCI MODULbus 816 carrier board. This device is a PCI to MODULbus bridge which may 817 host many different types of MODULbus daughterboards, including 818 CAN and GPIO controllers. 819 820config MFD_KEMPLD 821 tristate "Kontron module PLD device" 822 select MFD_CORE 823 help 824 This is the core driver for the PLD (Programmable Logic Device) found 825 on some Kontron ETX and nearly all COMexpress (ETXexpress) modules as 826 well as on some other Kontron products. The PLD device may provide 827 functions like watchdog, GPIO, UART and I2C bus. 828 829 This driver can also be built as a module. If so, the module 830 will be called kempld-core. 831 832config MFD_88PM800 833 tristate "Marvell 88PM800" 834 depends on I2C 835 select REGMAP_I2C 836 select REGMAP_IRQ 837 select MFD_CORE 838 help 839 This supports for Marvell 88PM800 Power Management IC. 840 This includes the I2C driver and the core APIs _only_, you have to 841 select individual components like voltage regulators, RTC and 842 battery-charger under the corresponding menus. 843 844config MFD_88PM805 845 tristate "Marvell 88PM805" 846 depends on I2C 847 select REGMAP_I2C 848 select REGMAP_IRQ 849 select MFD_CORE 850 help 851 This supports for Marvell 88PM805 Power Management IC. This includes 852 the I2C driver and the core APIs _only_, you have to select individual 853 components like codec device, headset/Mic device under the 854 corresponding menus. 855 856config MFD_88PM860X 857 bool "Marvell 88PM8606/88PM8607" 858 depends on I2C=y 859 select REGMAP_I2C 860 select MFD_CORE 861 help 862 This supports for Marvell 88PM8606/88PM8607 Power Management IC. 863 This includes the I2C driver and the core APIs _only_, you have to 864 select individual components like voltage regulators, RTC and 865 battery-charger under the corresponding menus. 866 867config MFD_88PM886_PMIC 868 bool "Marvell 88PM886 PMIC" 869 depends on I2C=y 870 depends on OF 871 select REGMAP_I2C 872 select REGMAP_IRQ 873 select MFD_CORE 874 help 875 This enables support for Marvell 88PM886 Power Management IC. 876 This includes the I2C driver and the core APIs _only_, you have to 877 select individual components like onkey under the corresponding menus. 878 879config MFD_MAX5970 880 tristate "Maxim 5970/5978 power switch and monitor" 881 depends on I2C && OF 882 select MFD_SIMPLE_MFD_I2C 883 help 884 This driver controls a Maxim 5970/5978 switch via I2C bus. 885 The MAX5970/5978 is a smart switch with no output regulation, but 886 fault protection and voltage and current monitoring capabilities. 887 Also it supports upto 4 indication leds. 888 889config MFD_MAX14577 890 tristate "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support" 891 depends on I2C 892 select MFD_CORE 893 select REGMAP_I2C 894 select REGMAP_IRQ 895 select IRQ_DOMAIN 896 help 897 Say yes here to add support for Maxim Semiconductor MAX14577 and 898 MAX77836 Micro-USB ICs with battery charger. 899 This driver provides common support for accessing the device; 900 additional drivers must be enabled in order to use the functionality 901 of the device. 902 903config MFD_MAX77541 904 tristate "Analog Devices MAX77541/77540 PMIC Support" 905 depends on I2C=y 906 select MFD_CORE 907 select REGMAP_I2C 908 select REGMAP_IRQ 909 help 910 Say yes here to add support for Analog Devices MAX77541 and 911 MAX77540 Power Management ICs. This driver provides 912 common support for accessing the device; additional drivers 913 must be enabled in order to use the functionality of the device. 914 There are regulators and adc. 915 916config MFD_MAX77620 917 tristate "Maxim Semiconductor MAX77620 and MAX20024 PMIC Support" 918 depends on I2C=y 919 depends on OF 920 select MFD_CORE 921 select REGMAP_I2C 922 select REGMAP_IRQ 923 select IRQ_DOMAIN 924 help 925 Say yes here to add support for Maxim Semiconductor MAX77620 and 926 MAX20024 which are Power Management IC with General purpose pins, 927 RTC, regulators, clock generator, watchdog etc. This driver 928 provides common support for accessing the device; additional drivers 929 must be enabled in order to use the functionality of the device. 930 931config MFD_MAX77650 932 tristate "Maxim MAX77650/77651 PMIC Support" 933 depends on I2C 934 depends on OF 935 select MFD_CORE 936 select REGMAP_I2C 937 select REGMAP_IRQ 938 help 939 Say Y here to add support for Maxim Semiconductor MAX77650 and 940 MAX77651 Power Management ICs. This is the core multifunction 941 driver for interacting with the device. The module name is 942 'max77650'. Additional drivers can be enabled in order to use 943 the following functionalities of the device: GPIO, regulator, 944 charger, LED, onkey. 945 946config MFD_MAX77686 947 tristate "Maxim Semiconductor MAX77686/802 PMIC Support" 948 depends on I2C 949 depends on OF 950 select MFD_CORE 951 select REGMAP_I2C 952 select REGMAP_IRQ 953 select IRQ_DOMAIN 954 help 955 Say yes here to add support for Maxim Semiconductor MAX77686 and 956 MAX77802 which are Power Management IC with an RTC on chip. 957 This driver provides common support for accessing the device; 958 additional drivers must be enabled in order to use the functionality 959 of the device. 960 961config MFD_MAX77693 962 tristate "Maxim Semiconductor MAX77693 PMIC Support" 963 depends on I2C 964 select MFD_CORE 965 select REGMAP_I2C 966 select REGMAP_IRQ 967 help 968 Say yes here to add support for Maxim Semiconductor MAX77693. 969 This is a companion Power Management IC with Flash, Haptic, Charger, 970 and MUIC(Micro USB Interface Controller) controls on chip. 971 This driver provides common support for accessing the device; 972 additional drivers must be enabled in order to use the functionality 973 of the device. 974 975config MFD_MAX77705 976 tristate "Maxim MAX77705 PMIC Support" 977 depends on I2C 978 select MFD_CORE 979 select MFD_SIMPLE_MFD_I2C 980 help 981 Say yes here to add support for Maxim Integrated MAX77705 PMIC. 982 This is a Power Management IC with Charger, safe LDOs, Flash, Haptic 983 and MUIC controls on chip. 984 This driver provides common support for accessing the device; 985 additional drivers must be enabled in order to use the functionality 986 of the device. 987 988config MFD_MAX77714 989 tristate "Maxim Semiconductor MAX77714 PMIC Support" 990 depends on I2C 991 depends on OF 992 select MFD_CORE 993 select REGMAP_I2C 994 help 995 Say yes here to add support for Maxim Semiconductor MAX77714. 996 This is a Power Management IC with 4 buck regulators, 9 997 low-dropout regulators, 8 GPIOs, RTC, watchdog etc. This driver 998 provides common support for accessing the device; additional 999 drivers must be enabled in order to use each functionality of the 1000 device. 1001 1002config MFD_MAX77759 1003 tristate "Maxim Integrated MAX77759 PMIC" 1004 depends on I2C 1005 depends on OF 1006 select IRQ_DOMAIN 1007 select MFD_CORE 1008 select REGMAP_I2C 1009 select REGMAP_IRQ 1010 help 1011 Say yes here to add support for Maxim Integrated MAX77759. 1012 This is a companion Power Management IC for USB Type-C applications 1013 with Battery Charger, Fuel Gauge, temperature sensors, USB Type-C 1014 Port Controller (TCPC), NVMEM, and additional GPIO interfaces. 1015 This driver provides common support for accessing the device; 1016 additional drivers must be enabled in order to use the functionality 1017 of the device. 1018 1019 To compile this driver as a module, choose M here: the module will be 1020 called max77759. 1021 1022config MFD_MAX77843 1023 bool "Maxim Semiconductor MAX77843 PMIC Support" 1024 depends on I2C=y 1025 select MFD_CORE 1026 select REGMAP_I2C 1027 select REGMAP_IRQ 1028 help 1029 Say yes here to add support for Maxim Semiconductor MAX77843. 1030 This is companion Power Management IC with LEDs, Haptic, Charger, 1031 Fuel Gauge, MUIC(Micro USB Interface Controller) controls on chip. 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 1036config MFD_MAX8907 1037 tristate "Maxim Semiconductor MAX8907 PMIC Support" 1038 select MFD_CORE 1039 depends on I2C 1040 select REGMAP_I2C 1041 select REGMAP_IRQ 1042 help 1043 Say yes here to add support for Maxim Semiconductor MAX8907. This is 1044 a Power Management IC. This driver provides common support for 1045 accessing the device; additional drivers must be enabled in order 1046 to use the functionality of the device. 1047 1048config MFD_MAX8925 1049 bool "Maxim Semiconductor MAX8925 PMIC Support" 1050 depends on I2C=y 1051 select MFD_CORE 1052 help 1053 Say yes here to add support for Maxim Semiconductor MAX8925. This is 1054 a Power Management IC. This driver provides common support for 1055 accessing the device, additional drivers must be enabled in order 1056 to use the functionality of the device. 1057 1058config MFD_MAX8997 1059 bool "Maxim Semiconductor MAX8997/8966 PMIC Support" 1060 depends on I2C=y 1061 select MFD_CORE 1062 select IRQ_DOMAIN 1063 help 1064 Say yes here to add support for Maxim Semiconductor MAX8997/8966. 1065 This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic, 1066 MUIC controls on chip. 1067 This driver provides common support for accessing the device; 1068 additional drivers must be enabled in order to use the functionality 1069 of the device. 1070 1071config MFD_MAX8998 1072 bool "Maxim Semiconductor MAX8998/National LP3974 PMIC Support" 1073 depends on I2C=y 1074 select MFD_CORE 1075 select IRQ_DOMAIN 1076 help 1077 Say yes here to add support for Maxim Semiconductor MAX8998 and 1078 National Semiconductor LP3974. This is a Power Management IC. 1079 This driver provides common support for accessing the device, 1080 additional drivers must be enabled in order to use the functionality 1081 of the device. 1082 1083config MFD_MT6360 1084 tristate "Mediatek MT6360 SubPMIC" 1085 select MFD_CORE 1086 select REGMAP_I2C 1087 select REGMAP_IRQ 1088 select CRC8 1089 depends on I2C 1090 help 1091 Say Y here to enable MT6360 PMU/PMIC/LDO functional support. 1092 PMU part includes Charger, Flashlight, RGB LED 1093 PMIC part includes 2-channel BUCKs and 2-channel LDOs 1094 LDO part includes 4-channel LDOs 1095 1096config MFD_MT6370 1097 tristate "MediaTek MT6370 SubPMIC" 1098 select MFD_CORE 1099 select REGMAP_I2C 1100 select REGMAP_IRQ 1101 depends on I2C 1102 help 1103 Say Y here to enable MT6370 SubPMIC functional support. 1104 It consists of a single cell battery charger with ADC monitoring, RGB 1105 LEDs, dual channel flashlight, WLED backlight driver, display bias 1106 voltage supply, one general purpose LDO, and the USB Type-C & PD 1107 controller complies with the latest USB Type-C and PD standards. 1108 1109 This driver can also be built as a module. If so, the module 1110 will be called "mt6370". 1111 1112config MFD_MT6397 1113 tristate "MediaTek MT6397 PMIC Support" 1114 select MFD_CORE 1115 select IRQ_DOMAIN 1116 help 1117 Say yes here to add support for MediaTek MT6397 PMIC. This is 1118 a Power Management IC. This driver provides common support for 1119 accessing the device; additional drivers must be enabled in order 1120 to use the functionality of the device. 1121 1122config MFD_MENF21BMC 1123 tristate "MEN 14F021P00 Board Management Controller Support" 1124 depends on I2C 1125 select MFD_CORE 1126 help 1127 Say yes here to add support for the MEN 14F021P00 BMC 1128 which is a Board Management Controller connected to the I2C bus. 1129 The device supports multiple sub-devices like LED, HWMON and WDT. 1130 This driver provides common support for accessing the devices; 1131 additional drivers must be enabled in order to use the 1132 functionality of the BMC device. 1133 1134 This driver can also be built as a module. If so the module 1135 will be called menf21bmc. 1136 1137config MFD_OCELOT 1138 tristate "Microsemi Ocelot External Control Support" 1139 depends on SPI_MASTER 1140 select MFD_CORE 1141 select REGMAP_SPI 1142 help 1143 Ocelot is a family of networking chips that support multiple ethernet 1144 and fibre interfaces. In addition to networking, they contain several 1145 other functions, including pinctrl, MDIO, and communication with 1146 external chips. While some chips have an internal processor capable of 1147 running an OS, others don't. All chips can be controlled externally 1148 through different interfaces, including SPI, I2C, and PCIe. 1149 1150 Say yes here to add support for Ocelot chips (VSC7511, VSC7512, 1151 VSC7513, VSC7514) controlled externally. 1152 1153 To compile this driver as a module, choose M here: the module will be 1154 called ocelot-soc. 1155 1156 If unsure, say N. 1157 1158config EZX_PCAP 1159 bool "Motorola EZXPCAP Support" 1160 depends on SPI_MASTER 1161 help 1162 This enables the PCAP ASIC present on EZX Phones. This is 1163 needed for MMC, TouchScreen, Sound, USB, etc.. 1164 1165config MFD_CPCAP 1166 tristate "Support for Motorola CPCAP" 1167 depends on SPI 1168 depends on OF 1169 select MFD_CORE 1170 select REGMAP_SPI 1171 select REGMAP_IRQ 1172 help 1173 Say yes here if you want to include driver for CPCAP. 1174 It is used on many Motorola phones and tablets as a PMIC. 1175 At least Motorola Droid 4 is known to use CPCAP. 1176 1177config MFD_VIPERBOARD 1178 tristate "Nano River Technologies Viperboard" 1179 select MFD_CORE 1180 depends on USB 1181 default n 1182 help 1183 Say yes here if you want support for Nano River Technologies 1184 Viperboard. 1185 There are mfd cell drivers available for i2c master, adc and 1186 both gpios found on the board. The spi part does not yet 1187 have a driver. 1188 You need to select the mfd cell drivers separately. 1189 The drivers do not support all features the board exposes. 1190 1191config MFD_NTXEC 1192 tristate "Netronix embedded controller (EC)" 1193 depends on OF 1194 depends on I2C 1195 select REGMAP_I2C 1196 select MFD_CORE 1197 help 1198 Say yes here if you want to support the embedded controller found in 1199 certain e-book readers designed by the original design manufacturer 1200 Netronix. 1201 1202config MFD_RETU 1203 tristate "Nokia Retu and Tahvo multi-function device" 1204 select MFD_CORE 1205 depends on I2C 1206 select REGMAP_IRQ 1207 help 1208 Retu and Tahvo are a multi-function devices found on Nokia 1209 Internet Tablets (770, N800 and N810). 1210 1211config MFD_PM8XXX 1212 tristate "Qualcomm PM8xxx PMIC chips driver" 1213 depends on ARM || HEXAGON || COMPILE_TEST 1214 select IRQ_DOMAIN_HIERARCHY 1215 select MFD_CORE 1216 select REGMAP 1217 help 1218 If you say yes to this option, support will be included for the 1219 built-in PM8xxx PMIC chips. 1220 1221 This is required if your board has a PM8xxx and uses its features, 1222 such as: MPPs, GPIOs, regulators, interrupts, and PWM. 1223 1224 Say M here if you want to include support for PM8xxx chips as a 1225 module. This will build a module called "pm8xxx-core". 1226 1227config MFD_QCOM_RPM 1228 tristate "Qualcomm Resource Power Manager (RPM)" 1229 depends on ARCH_QCOM && OF 1230 help 1231 If you say yes to this option, support will be included for the 1232 Resource Power Manager system found in the Qualcomm 8660, 8960 and 1233 8064 based devices. 1234 1235 This is required to access many regulators, clocks and bus 1236 frequencies controlled by the RPM on these devices. 1237 1238 Say M here if you want to include support for the Qualcomm RPM as a 1239 module. This will build a module called "qcom_rpm". 1240 1241config MFD_SPMI_PMIC 1242 tristate "Qualcomm SPMI PMICs" 1243 depends on ARCH_QCOM || COMPILE_TEST 1244 depends on OF 1245 depends on SPMI 1246 select REGMAP_SPMI 1247 help 1248 This enables support for the Qualcomm SPMI PMICs. 1249 These PMICs are currently used with the Snapdragon 800 series of 1250 SoCs. Note, that this will only be useful paired with descriptions 1251 of the independent functions as children nodes in the device tree. 1252 1253 Say M here if you want to include support for the SPMI PMIC 1254 series as a module. The module will be called "qcom-spmi-pmic". 1255 1256config MFD_SY7636A 1257 tristate "Silergy SY7636A voltage regulator" 1258 depends on I2C 1259 select MFD_SIMPLE_MFD_I2C 1260 help 1261 Enable support for Silergy SY7636A voltage regulator. 1262 1263 To enable support for building sub-devices as modules, 1264 choose M here. 1265 1266config MFD_RDC321X 1267 tristate "RDC R-321x southbridge" 1268 select MFD_CORE 1269 depends on PCI 1270 help 1271 Say yes here if you want to have support for the RDC R-321x SoC 1272 southbridge which provides access to GPIOs and Watchdog using the 1273 southbridge PCI device configuration space. 1274 1275config MFD_RT4831 1276 tristate "Richtek RT4831 four channel WLED and Display Bias Voltage" 1277 depends on I2C 1278 select MFD_CORE 1279 select REGMAP_I2C 1280 help 1281 This enables support for the Richtek RT4831 that includes 4 channel 1282 WLED driving and Display Bias Voltage. It's commonly used to provide 1283 power to the LCD display and LCD backlight. 1284 1285config MFD_RT5033 1286 tristate "Richtek RT5033 Power Management IC" 1287 depends on I2C 1288 select MFD_CORE 1289 select REGMAP_I2C 1290 select REGMAP_IRQ 1291 help 1292 This driver provides for the Richtek RT5033 Power Management IC, 1293 which includes the I2C driver and the Core APIs. This driver provides 1294 common support for accessing the device. The device supports multiple 1295 sub-devices like charger, fuel gauge, flash LED, current source, 1296 LDO and Buck. 1297 1298config MFD_RT5120 1299 tristate "Richtek RT5120 Power Management IC" 1300 depends on I2C 1301 select MFD_CORE 1302 select REGMAP_I2C 1303 select REGMAP_IRQ 1304 help 1305 The enables support for Richtek RT5120 PMIC. It includes four high 1306 efficiency buck converters and one LDO voltage regulator. The device 1307 is targeted at providing the CPU voltage, memory, I/O and peripheral 1308 power rails in home entertainment devices. 1309 1310config MFD_RC5T583 1311 bool "Ricoh RC5T583 Power Management system device" 1312 depends on I2C=y 1313 select MFD_CORE 1314 select REGMAP_I2C 1315 help 1316 Select this option to get support for the RICOH583 Power 1317 Management system device. 1318 This driver provides common support for accessing the device 1319 through i2c interface. The device supports multiple sub-devices 1320 like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey. 1321 Additional drivers must be enabled in order to use the 1322 different functionality of the device. 1323 1324config MFD_RK8XX 1325 tristate 1326 select MFD_CORE 1327 1328config MFD_RK8XX_I2C 1329 tristate "Rockchip RK805/RK808/RK809/RK816/RK817/RK818 Power Management Chip" 1330 depends on I2C && OF 1331 select MFD_CORE 1332 select REGMAP_I2C 1333 select REGMAP_IRQ 1334 select MFD_RK8XX 1335 help 1336 If you say yes here you get support for the RK805, RK808, RK809, 1337 RK816, RK817 and RK818 Power Management chips. 1338 This driver provides common support for accessing the device 1339 through I2C interface. The device supports multiple sub-devices 1340 including interrupts, RTC, LDO & DCDC regulators, and onkey. 1341 1342config MFD_RK8XX_SPI 1343 tristate "Rockchip RK806 Power Management Chip" 1344 depends on SPI && OF 1345 select MFD_CORE 1346 select REGMAP_SPI 1347 select REGMAP_IRQ 1348 select MFD_RK8XX 1349 help 1350 If you say yes here you get support for the RK806 Power Management 1351 chip. 1352 This driver provides common support for accessing the device 1353 through an SPI interface. The device supports multiple sub-devices 1354 including interrupts, LDO & DCDC regulators, and power on-key. 1355 1356config MFD_RN5T618 1357 tristate "Ricoh RN5T567/618 PMIC" 1358 depends on I2C 1359 depends on OF 1360 select MFD_CORE 1361 select REGMAP_I2C 1362 select REGMAP_IRQ 1363 help 1364 Say yes here to add support for the Ricoh RN5T567, 1365 RN5T618, RC5T619 PMIC. 1366 This driver provides common support for accessing the device, 1367 additional drivers must be enabled in order to use the 1368 functionality of the device. 1369 1370config MFD_SEC_CORE 1371 tristate 1372 select MFD_CORE 1373 select REGMAP_IRQ 1374 1375config MFD_SEC_ACPM 1376 tristate "Samsung Electronics S2MPG1x PMICs" 1377 depends on EXYNOS_ACPM_PROTOCOL 1378 depends on OF 1379 select MFD_SEC_CORE 1380 help 1381 Support for the Samsung Electronics PMICs with ACPM interface. 1382 This is a Power Management IC for mobile applications with buck 1383 converters, various LDOs, power meters, RTC, clock outputs, and 1384 additional GPIOs interfaces. 1385 This driver provides common support for accessing the device; 1386 additional drivers must be enabled in order to use the functionality 1387 of the device. 1388 1389 To compile this driver as a module, choose M here: the module will be 1390 called sec-acpm. 1391 1392config MFD_SEC_I2C 1393 tristate "Samsung Electronics S2MPA/S2MPS1X/S2MPU/S5M series PMICs" 1394 depends on I2C=y 1395 depends on OF 1396 select MFD_SEC_CORE 1397 select REGMAP_I2C 1398 help 1399 Support for the Samsung Electronics PMIC devices with I2C interface 1400 coming usually along with Samsung Exynos SoC chipset. 1401 This driver provides common support for accessing the device, 1402 additional drivers must be enabled in order to use the functionality 1403 of the device. 1404 1405 To compile this driver as a module, choose M here: the 1406 module will be called sec-i2c. 1407 Have in mind that important core drivers (like regulators) depend 1408 on this driver so building this as a module might require proper 1409 initial ramdisk or might not boot up as well in certain scenarios. 1410 1411config MFD_SI476X_CORE 1412 tristate "Silicon Laboratories 4761/64/68 AM/FM radio." 1413 depends on I2C 1414 select MFD_CORE 1415 select REGMAP_I2C 1416 help 1417 This is the core driver for the SI476x series of AM/FM 1418 radio. This MFD driver connects the radio-si476x V4L2 module 1419 and the si476x audio codec. 1420 1421 To compile this driver as a module, choose M here: the 1422 module will be called si476x-core. 1423 1424config MFD_SIMPLE_MFD_I2C 1425 tristate 1426 depends on I2C 1427 select MFD_CORE 1428 select REGMAP_I2C 1429 help 1430 This driver creates a single register map with the intention for it 1431 to be shared by all sub-devices. 1432 1433 Once the register map has been successfully initialised, any 1434 sub-devices represented by child nodes in Device Tree will be 1435 subsequently registered. 1436 1437config MFD_SL28CPLD 1438 tristate "Kontron sl28cpld Board Management Controller" 1439 depends on I2C 1440 depends on ARCH_LAYERSCAPE || COMPILE_TEST 1441 select MFD_SIMPLE_MFD_I2C 1442 help 1443 Say yes here to enable support for the Kontron sl28cpld board 1444 management controller. 1445 1446 It can be found on the following boards: 1447 * SMARC-sAL28 1448 1449config MFD_SM501 1450 tristate "Silicon Motion SM501" 1451 depends on HAS_DMA 1452 help 1453 This is the core driver for the Silicon Motion SM501 multimedia 1454 companion chip. This device is a multifunction device which may 1455 provide numerous interfaces including USB host controller, USB gadget, 1456 asynchronous serial ports, audio functions, and a dual display video 1457 interface. The device may be connected by PCI or local bus with 1458 varying functions enabled. 1459 1460config MFD_SM501_GPIO 1461 bool "Export GPIO via GPIO layer" 1462 depends on MFD_SM501 && GPIOLIB 1463 help 1464 This option uses the gpio library layer to export the 64 GPIO 1465 lines on the SM501. The platform data is used to supply the 1466 base number for the first GPIO line to register. 1467 1468config MFD_SKY81452 1469 tristate "Skyworks Solutions SKY81452" 1470 select MFD_CORE 1471 select REGMAP_I2C 1472 depends on I2C 1473 help 1474 This is the core driver for the Skyworks SKY81452 backlight and 1475 voltage regulator device. 1476 1477 This driver can also be built as a module. If so, the module 1478 will be called sky81452. 1479 1480config MFD_SC27XX_PMIC 1481 tristate "Spreadtrum SC27xx PMICs" 1482 depends on ARCH_SPRD || COMPILE_TEST 1483 depends on SPI_MASTER 1484 select MFD_CORE 1485 select REGMAP_SPI 1486 select REGMAP_IRQ 1487 help 1488 This enables support for the Spreadtrum SC27xx PMICs with SPI 1489 interface. The SC27xx series PMICs integrate power management, 1490 audio codec, battery management and user interface support 1491 function (such as RTC, Typec, indicator and so on) in a single chip. 1492 1493 This driver provides common support for accessing the SC27xx PMICs, 1494 and it also adds the irq_chip parts for handling the PMIC chip events. 1495 1496config RZ_MTU3 1497 tristate "Renesas RZ/G2L MTU3a core driver" 1498 depends on (ARCH_RZG2L && OF) || COMPILE_TEST 1499 select MFD_CORE 1500 help 1501 Select this option to enable Renesas RZ/G2L MTU3a core driver for 1502 the Multi-Function Timer Pulse Unit 3 (MTU3a) hardware available 1503 on SoCs from Renesas. The core driver shares the clk and channel 1504 register access for the other child devices like Counter, PWM, 1505 Clock Source, and Clock event. 1506 1507config ABX500_CORE 1508 bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions" 1509 depends on ARCH_U8500 || COMPILE_TEST 1510 default y if ARCH_U8500 1511 help 1512 Say yes here if you have the ABX500 Mixed Signal IC family 1513 chips. This core driver expose register access functions. 1514 Functionality specific drivers using these functions can 1515 remain unchanged when IC changes. Binding of the functions to 1516 actual register access is done by the IC core driver. 1517 1518config AB8500_CORE 1519 bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" 1520 depends on ABX500_CORE && MFD_DB8500_PRCMU 1521 select POWER_SUPPLY 1522 select MFD_CORE 1523 select IRQ_DOMAIN 1524 help 1525 Select this option to enable access to AB8500 power management 1526 chip. This connects to U8500 either on the SSP/SPI bus (deprecated 1527 since hardware version v1.0) or the I2C bus via PRCMU. It also adds 1528 the irq_chip parts for handling the Mixed Signal chip events. 1529 This chip embeds various other multimedia functionalities as well. 1530 1531config MFD_DB8500_PRCMU 1532 bool "ST-Ericsson DB8500 Power Reset Control Management Unit" 1533 depends on UX500_SOC_DB8500 1534 select MFD_CORE 1535 help 1536 Select this option to enable support for the DB8500 Power Reset 1537 and Control Management Unit. This is basically an autonomous 1538 system controller running an XP70 microprocessor, which is accessed 1539 through a register map. 1540 1541config MFD_STMPE 1542 bool "STMicroelectronics STMPE" 1543 depends on I2C=y || SPI_MASTER=y 1544 depends on OF 1545 select MFD_CORE 1546 help 1547 Support for the STMPE family of I/O Expanders from 1548 STMicroelectronics. 1549 1550 Currently supported devices are: 1551 1552 STMPE811: GPIO, Touchscreen, ADC 1553 STMPE1601: GPIO, Keypad 1554 STMPE1801: GPIO, Keypad 1555 STMPE2401: GPIO, Keypad 1556 STMPE2403: GPIO, Keypad 1557 1558 This driver provides common support for accessing the device, 1559 additional drivers must be enabled in order to use the functionality 1560 of the device. Currently available sub drivers are: 1561 1562 GPIO: stmpe-gpio 1563 Keypad: stmpe-keypad 1564 Touchscreen: stmpe-ts 1565 ADC: stmpe-adc 1566 1567menu "STMicroelectronics STMPE Interface Drivers" 1568depends on MFD_STMPE 1569 1570config STMPE_I2C 1571 bool "STMicroelectronics STMPE I2C Interface" 1572 depends on I2C=y 1573 default y 1574 help 1575 This is used to enable I2C interface of STMPE 1576 1577config STMPE_SPI 1578 bool "STMicroelectronics STMPE SPI Interface" 1579 depends on SPI_MASTER 1580 help 1581 This is used to enable SPI interface of STMPE 1582endmenu 1583 1584config MFD_SUN6I_PRCM 1585 bool "Allwinner A31/A23/A33 PRCM controller" 1586 depends on ARCH_SUNXI || COMPILE_TEST 1587 select MFD_CORE 1588 help 1589 Support for the PRCM (Power/Reset/Clock Management) unit available 1590 in the A31, A23, and A33 SoCs. Other Allwinner SoCs contain similar 1591 hardware, but they do not use this driver. 1592 1593config MFD_SYSCON 1594 bool "System Controller Register R/W Based on Regmap" 1595 select REGMAP_MMIO 1596 help 1597 Select this option to enable accessing system control registers 1598 via regmap. 1599 1600config MFD_TI_AM335X_TSCADC 1601 tristate "TI ADC / Touch Screen chip support" 1602 depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST 1603 select MFD_CORE 1604 select REGMAP 1605 select REGMAP_MMIO 1606 help 1607 If you say yes here you get support for Texas Instruments series 1608 of Touch Screen /ADC chips. 1609 To compile this driver as a module, choose M here: the 1610 module will be called ti_am335x_tscadc. 1611 1612config MFD_LP3943 1613 tristate "TI/National Semiconductor LP3943 MFD Driver" 1614 depends on I2C 1615 select MFD_CORE 1616 select REGMAP_I2C 1617 help 1618 Support for the TI/National Semiconductor LP3943. 1619 This driver consists of GPIO and PWM drivers. 1620 With these functionalities, it can be used for LED string control or 1621 general usage such like a GPIO controller and a PWM controller. 1622 1623config MFD_LP8788 1624 bool "TI LP8788 Power Management Unit Driver" 1625 depends on I2C=y 1626 select MFD_CORE 1627 select REGMAP_I2C 1628 select IRQ_DOMAIN 1629 help 1630 TI LP8788 PMU supports regulators, battery charger, RTC, 1631 ADC, backlight driver and current sinks. 1632 1633config MFD_TI_LMU 1634 tristate "TI Lighting Management Unit driver" 1635 depends on I2C 1636 select MFD_CORE 1637 select REGMAP_I2C 1638 help 1639 Say yes here to enable support for TI LMU chips. 1640 TI LMU MFD supports LM3532, LM3631, LM3632, LM3633, LM3695 and 1641 LM36274. It consists of backlight, LED and regulator driver. 1642 It provides consistent device controls for lighting functions. 1643 1644config MFD_OMAP_USB_HOST 1645 bool "TI OMAP USBHS core and TLL driver" 1646 depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3 1647 depends on COMMON_CLK 1648 default y 1649 help 1650 This is the core driver for the OAMP EHCI and OHCI drivers. 1651 This MFD driver does the required setup functionalities for 1652 OMAP USB Host drivers. 1653 1654config MFD_PALMAS 1655 tristate "TI Palmas series chips" 1656 select MFD_CORE 1657 select REGMAP_I2C 1658 select REGMAP_IRQ 1659 depends on I2C=y 1660 help 1661 If you say yes here you get support for the Palmas 1662 series of PMIC chips from Texas Instruments. 1663 1664config TPS6105X 1665 tristate "TI TPS61050/61052 Boost Converters" 1666 depends on I2C 1667 select REGMAP_I2C 1668 select REGULATOR 1669 select MFD_CORE 1670 select REGULATOR_FIXED_VOLTAGE 1671 help 1672 This option enables a driver for the TP61050/TPS61052 1673 high-power "white LED driver". This boost converter is 1674 sometimes used for other things than white LEDs, and 1675 also contains a GPIO pin. 1676 1677config TPS65010 1678 tristate "TI TPS6501x Power Management chips" 1679 depends on I2C && GPIOLIB 1680 default MACH_OMAP_OSK 1681 help 1682 If you say yes here you get support for the TPS6501x series of 1683 Power Management chips. These include voltage regulators, 1684 lithium ion/polymer battery charging, and other features that 1685 are often used in portable devices like cell phones and cameras. 1686 1687 This driver can also be built as a module. If so, the module 1688 will be called tps65010. 1689 1690config TPS6507X 1691 tristate "TI TPS6507x Power Management / Touch Screen chips" 1692 select MFD_CORE 1693 depends on I2C 1694 help 1695 If you say yes here you get support for the TPS6507x series of 1696 Power Management / Touch Screen chips. These include voltage 1697 regulators, lithium ion/polymer battery charging, touch screen 1698 and other features that are often used in portable devices. 1699 This driver can also be built as a module. If so, the module 1700 will be called tps6507x. 1701 1702config MFD_TPS65086 1703 tristate "TI TPS65086 Power Management Integrated Chips (PMICs)" 1704 select MFD_CORE 1705 select REGMAP 1706 select REGMAP_IRQ 1707 select REGMAP_I2C 1708 depends on I2C 1709 help 1710 If you say yes here you get support for the TPS65086 series of 1711 Power Management chips. 1712 This driver provides common support for accessing the device, 1713 additional drivers must be enabled in order to use the 1714 functionality of the device. 1715 1716config TPS65911_COMPARATOR 1717 tristate 1718 1719config MFD_TPS65090 1720 bool "TI TPS65090 Power Management chips" 1721 depends on I2C=y 1722 select MFD_CORE 1723 select REGMAP_I2C 1724 select REGMAP_IRQ 1725 help 1726 If you say yes here you get support for the TPS65090 series of 1727 Power Management chips. 1728 This driver provides common support for accessing the device, 1729 additional drivers must be enabled in order to use the 1730 functionality of the device. 1731 1732config MFD_TPS65217 1733 tristate "TI TPS65217 Power Management / White LED chips" 1734 depends on I2C && OF 1735 select MFD_CORE 1736 select REGMAP_I2C 1737 select IRQ_DOMAIN 1738 help 1739 If you say yes here you get support for the TPS65217 series of 1740 Power Management / White LED chips. 1741 These include voltage regulators, lithium ion/polymer battery 1742 charger, wled and other features that are often used in portable 1743 devices. 1744 1745 This driver can also be built as a module. If so, the module 1746 will be called tps65217. 1747 1748config MFD_TI_LP873X 1749 tristate "TI LP873X Power Management IC" 1750 depends on I2C 1751 select MFD_CORE 1752 select REGMAP_I2C 1753 help 1754 If you say yes here then you get support for the LP873X series of 1755 Power Management Integrated Circuits (PMIC). 1756 These include voltage regulators, thermal protection, configurable 1757 General Purpose Outputs (GPO) that are used in portable devices. 1758 1759 This driver can also be built as a module. If so, the module 1760 will be called lp873x. 1761 1762config MFD_TI_LP87565 1763 tristate "TI LP87565 Power Management IC" 1764 depends on I2C && OF 1765 select MFD_CORE 1766 select REGMAP_I2C 1767 help 1768 If you say yes here then you get support for the LP87565 series of 1769 Power Management Integrated Circuits (PMIC). 1770 These include voltage regulators, thermal protection, configurable 1771 General Purpose Outputs (GPO) that are used in portable devices. 1772 1773 This driver can also be built as a module. If so, the module 1774 will be called lp87565. 1775 1776config MFD_TPS65218 1777 tristate "TI TPS65218 Power Management chips" 1778 depends on I2C && OF 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 TPS65218 series of 1784 Power Management chips. 1785 These include voltage regulators, gpio and other features 1786 that are often used in portable devices. 1787 1788 This driver can also be built as a module. If so, the module 1789 will be called tps65218. 1790 1791config MFD_TPS65219 1792 tristate "TI TPS65219 Power Management IC" 1793 depends on I2C && OF 1794 select MFD_CORE 1795 select REGMAP_I2C 1796 select REGMAP_IRQ 1797 help 1798 If you say yes here you get support for the TPS65219 series of Power 1799 Management ICs. These include voltage regulators, GPIOs and 1800 push/power button that is often used in portable devices. 1801 1802 This driver can also be built as a module. If so, the module 1803 will be called tps65219. 1804 1805config MFD_TPS6586X 1806 bool "TI TPS6586x Power Management chips" 1807 depends on I2C=y 1808 select MFD_CORE 1809 select REGMAP_I2C 1810 help 1811 If you say yes here you get support for the TPS6586X series of 1812 Power Management chips. 1813 This driver provides common support for accessing the device, 1814 additional drivers must be enabled in order to use the 1815 functionality of the device. 1816 1817 This driver can also be built as a module. If so, the module 1818 will be called tps6586x. 1819 1820config MFD_TPS65910 1821 bool "TI TPS65910 Power Management chip" 1822 depends on I2C=y 1823 depends on GPIOLIB || COMPILE_TEST 1824 select MFD_CORE 1825 select REGMAP_I2C 1826 select REGMAP_IRQ 1827 select IRQ_DOMAIN 1828 help 1829 if you say yes here you get support for the TPS65910 series of 1830 Power Management chips. 1831 1832config MFD_TPS65912 1833 tristate 1834 select MFD_CORE 1835 select REGMAP 1836 select REGMAP_IRQ 1837 1838config MFD_TPS65912_I2C 1839 tristate "TI TPS65912 Power Management chip with I2C" 1840 select MFD_TPS65912 1841 select REGMAP_I2C 1842 depends on I2C 1843 help 1844 If you say yes here you get support for the TPS65912 series of 1845 PM chips with I2C interface. 1846 1847config MFD_TPS65912_SPI 1848 tristate "TI TPS65912 Power Management chip with SPI" 1849 select MFD_TPS65912 1850 select REGMAP_SPI 1851 depends on SPI_MASTER 1852 help 1853 If you say yes here you get support for the TPS65912 series of 1854 PM chips with SPI interface. 1855 1856config MFD_TPS6594 1857 tristate 1858 select MFD_CORE 1859 select REGMAP 1860 select REGMAP_IRQ 1861 1862config MFD_TPS6594_I2C 1863 tristate "TI TPS6594 Power Management chip with I2C" 1864 select MFD_TPS6594 1865 select REGMAP_I2C 1866 select CRC8 1867 depends on I2C 1868 help 1869 If you say yes here you get support for the TPS6594 series of 1870 PM chips with I2C interface. 1871 1872 This driver can also be built as a module. If so, the module 1873 will be called tps6594-i2c. 1874 1875config MFD_TPS6594_SPI 1876 tristate "TI TPS6594 Power Management chip with SPI" 1877 select MFD_TPS6594 1878 select REGMAP_SPI 1879 select CRC8 1880 depends on SPI_MASTER 1881 help 1882 If you say yes here you get support for the TPS6594 series of 1883 PM chips with SPI interface. 1884 1885 This driver can also be built as a module. If so, the module 1886 will be called tps6594-spi. 1887 1888config TWL4030_CORE 1889 bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support" 1890 depends on I2C=y 1891 select IRQ_DOMAIN 1892 select MFD_CORE 1893 select REGMAP_I2C 1894 help 1895 Say yes here if you have TWL4030 / TWL6030 family chip on your board. 1896 This core driver provides register access and IRQ handling 1897 facilities, and registers devices for the various functions 1898 so that function-specific drivers can bind to them. 1899 1900 These multi-function chips are found on many OMAP2 and OMAP3 1901 boards, providing power management, RTC, GPIO, keypad, a 1902 high speed USB OTG transceiver, an audio codec (on most 1903 versions) and many other features. 1904 1905config TWL4030_POWER 1906 bool "TI TWL4030 power resources" 1907 depends on TWL4030_CORE && ARM 1908 help 1909 Say yes here if you want to use the power resources on the 1910 TWL4030 family chips. Most of these resources are regulators, 1911 which have a separate driver; some are control signals, such 1912 as clock request handshaking. 1913 1914 This driver uses board-specific data to initialize the resources 1915 and load scripts controlling which resources are switched off/on 1916 or reset when a sleep, wakeup or warm reset event occurs. 1917 1918config MFD_TWL4030_AUDIO 1919 bool "TI TWL4030 Audio" 1920 depends on TWL4030_CORE 1921 select MFD_CORE 1922 default n 1923 1924config TWL6040_CORE 1925 bool "TI TWL6040 audio codec" 1926 depends on I2C=y 1927 select MFD_CORE 1928 select REGMAP_I2C 1929 select REGMAP_IRQ 1930 default n 1931 help 1932 Say yes here if you want support for Texas Instruments TWL6040 audio 1933 codec. 1934 This driver provides common support for accessing the device, 1935 additional drivers must be enabled in order to use the 1936 functionality of the device (audio, vibra). 1937 1938config MENELAUS 1939 bool "TI TWL92330/Menelaus PM chip" 1940 depends on I2C=y && ARCH_OMAP2 1941 help 1942 If you say yes here you get support for the Texas Instruments 1943 TWL92330/Menelaus Power Management chip. This include voltage 1944 regulators, Dual slot memory card transceivers, real-time clock 1945 and other features that are often used in portable devices like 1946 cell phones and PDAs. 1947 1948config MFD_WL1273_CORE 1949 tristate "TI WL1273 FM radio" 1950 depends on I2C 1951 select MFD_CORE 1952 default n 1953 help 1954 This is the core driver for the TI WL1273 FM radio. This MFD 1955 driver connects the radio-wl1273 V4L2 module and the wl1273 1956 audio codec. 1957 1958config MFD_LM3533 1959 tristate "TI/National Semiconductor LM3533 Lighting Power chip" 1960 depends on I2C 1961 select MFD_CORE 1962 select REGMAP_I2C 1963 help 1964 Say yes here to enable support for National Semiconductor / TI 1965 LM3533 Lighting Power chips. 1966 1967 This driver provides common support for accessing the device; 1968 additional drivers must be enabled in order to use the LED, 1969 backlight or ambient-light-sensor functionality of the device. 1970 1971config MFD_TIMBERDALE 1972 tristate "Timberdale FPGA" 1973 select MFD_CORE 1974 depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST) 1975 help 1976 This is the core driver for the timberdale FPGA. This device is a 1977 multifunction device which exposes numerous platform devices. 1978 1979 The timberdale FPGA can be found on the Intel Atom development board 1980 for in-vehicle infontainment, called Russellville. 1981 1982config MFD_TC3589X 1983 bool "Toshiba TC35892 and variants" 1984 depends on I2C=y 1985 depends on OF 1986 select MFD_CORE 1987 help 1988 Support for the Toshiba TC35892 and variants I/O Expander. 1989 1990 This driver provides common support for accessing the device, 1991 additional drivers must be enabled in order to use the 1992 functionality of the device. 1993 1994config MFD_TQMX86 1995 tristate "TQ-Systems IO controller TQMX86" 1996 select MFD_CORE 1997 help 1998 Say yes here to enable support for various functions of the 1999 TQ-Systems IO controller and watchdog device, found on their 2000 ComExpress CPU modules. 2001 2002config MFD_VX855 2003 tristate "VIA VX855/VX875 integrated south bridge" 2004 depends on PCI 2005 select MFD_CORE 2006 help 2007 Say yes here to enable support for various functions of the 2008 VIA VX855/VX875 south bridge. You will need to enable the vx855_spi 2009 and/or vx855_gpio drivers for this to do anything useful. 2010 2011config MFD_ARIZONA 2012 select REGMAP 2013 select REGMAP_IRQ 2014 select MFD_CORE 2015 tristate 2016 2017config MFD_ARIZONA_I2C 2018 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C" 2019 select MFD_ARIZONA 2020 select REGMAP_I2C 2021 depends on I2C 2022 help 2023 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform 2024 audio SoC core functionality controlled via I2C. 2025 2026config MFD_ARIZONA_SPI 2027 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with SPI" 2028 select MFD_ARIZONA 2029 select REGMAP_SPI 2030 depends on SPI_MASTER 2031 help 2032 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform 2033 audio SoC core functionality controlled via SPI. 2034 2035config MFD_CS47L24 2036 bool "Cirrus Logic CS47L24 and WM1831" 2037 depends on MFD_ARIZONA 2038 help 2039 Support for Cirrus Logic CS47L24 and WM1831 low power audio SoC 2040 2041config MFD_WM5102 2042 bool "Wolfson Microelectronics WM5102" 2043 depends on MFD_ARIZONA 2044 help 2045 Support for Wolfson Microelectronics WM5102 low power audio SoC 2046 2047config MFD_WM5110 2048 bool "Wolfson Microelectronics WM5110 and WM8280/WM8281" 2049 depends on MFD_ARIZONA 2050 help 2051 Support for Wolfson Microelectronics WM5110 and WM8280/WM8281 2052 low power audio SoC 2053 2054config MFD_WM8997 2055 bool "Wolfson Microelectronics WM8997" 2056 depends on MFD_ARIZONA 2057 help 2058 Support for Wolfson Microelectronics WM8997 low power audio SoC 2059 2060config MFD_WM8998 2061 bool "Wolfson Microelectronics WM8998" 2062 depends on MFD_ARIZONA 2063 help 2064 Support for Wolfson Microelectronics WM8998 low power audio SoC 2065 2066config MFD_WM8400 2067 bool "Wolfson Microelectronics WM8400" 2068 select MFD_CORE 2069 depends on I2C=y 2070 select REGMAP_I2C 2071 help 2072 Support for the Wolfson Microelecronics WM8400 PMIC and audio 2073 CODEC. This driver provides common support for accessing 2074 the device, additional drivers must be enabled in order to use 2075 the functionality of the device. 2076 2077config MFD_WM831X 2078 bool 2079 2080config MFD_WM831X_I2C 2081 bool "Wolfson Microelectronics WM831x/2x PMICs with I2C" 2082 select MFD_CORE 2083 select MFD_WM831X 2084 select REGMAP_I2C 2085 select IRQ_DOMAIN 2086 depends on I2C=y 2087 help 2088 Support for the Wolfson Microelecronics WM831x and WM832x PMICs 2089 when controlled using I2C. This driver provides common support 2090 for accessing the device, additional drivers must be enabled in 2091 order to use the functionality of the device. 2092 2093config MFD_WM831X_SPI 2094 bool "Wolfson Microelectronics WM831x/2x PMICs with SPI" 2095 select MFD_CORE 2096 select MFD_WM831X 2097 select REGMAP_SPI 2098 select IRQ_DOMAIN 2099 depends on SPI_MASTER 2100 help 2101 Support for the Wolfson Microelecronics WM831x and WM832x PMICs 2102 when controlled using SPI. This driver provides common support 2103 for accessing the device, additional drivers must be enabled in 2104 order to use the functionality of the device. 2105 2106config MFD_WM8350 2107 bool 2108 2109config MFD_WM8350_I2C 2110 bool "Wolfson Microelectronics WM8350 with I2C" 2111 select MFD_WM8350 2112 select REGMAP_I2C 2113 depends on I2C=y 2114 help 2115 The WM8350 is an integrated audio and power management 2116 subsystem with watchdog and RTC functionality for embedded 2117 systems. This option enables core support for the WM8350 with 2118 I2C as the control interface. Additional options must be 2119 selected to enable support for the functionality of the chip. 2120 2121config MFD_WM8994 2122 tristate "Wolfson Microelectronics WM8994" 2123 select MFD_CORE 2124 select REGMAP_I2C 2125 select REGMAP_IRQ 2126 depends on I2C 2127 help 2128 The WM8994 is a highly integrated hi-fi CODEC designed for 2129 smartphone applications. As well as audio functionality it 2130 has on board GPIO and regulator functionality which is 2131 supported via the relevant subsystems. This driver provides 2132 core support for the WM8994, in order to use the actual 2133 functionality of the device other drivers must be enabled. 2134 2135config MFD_WM97xx 2136 tristate "Wolfson Microelectronics WM97xx" 2137 select MFD_CORE 2138 select REGMAP_AC97 2139 select AC97_BUS_COMPAT 2140 depends on AC97_BUS_NEW 2141 help 2142 The WM9705, WM9712 and WM9713 is a highly integrated hi-fi CODEC 2143 designed for smartphone applications. As well as audio functionality 2144 it has on board GPIO and a touchscreen functionality which is 2145 supported via the relevant subsystems. This driver provides core 2146 support for the WM97xx, in order to use the actual functionality of 2147 the device other drivers must be enabled. 2148 2149config MFD_STW481X 2150 tristate "Support for ST Microelectronics STw481x" 2151 depends on I2C && (ARCH_NOMADIK || COMPILE_TEST) 2152 select REGMAP_I2C 2153 select MFD_CORE 2154 help 2155 Select this option to enable the STw481x chip driver used 2156 in various ST Microelectronics and ST-Ericsson embedded 2157 Nomadik series. 2158 2159config MFD_ROHM_BD718XX 2160 tristate "ROHM BD71837 Power Management IC" 2161 depends on I2C=y 2162 depends on OF 2163 select REGMAP_I2C 2164 select REGMAP_IRQ 2165 select MFD_CORE 2166 help 2167 Select this option to get support for the ROHM BD71837 2168 Power Management ICs. BD71837 is designed to power processors like 2169 NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring 2170 and emergency shut down as well as 32,768KHz clock output. 2171 2172config MFD_ROHM_BD71828 2173 tristate "ROHM BD71828 and BD71815 Power Management IC" 2174 depends on I2C=y 2175 depends on OF 2176 select REGMAP_I2C 2177 select REGMAP_IRQ 2178 select MFD_CORE 2179 help 2180 Select this option to get support for the ROHM BD71828 and BD71815 2181 Power Management ICs. BD71828GW and BD71815AGW are single-chip power 2182 management ICs mainly for battery-powered portable devices. 2183 The BD71828 integrates 7 buck converters and 7 LDOs. The BD71815 2184 has 5 bucks, 7 LDOs, and a boost for driving LEDs. Both ICs provide 2185 also a single-cell linear charger, a Coulomb counter, a real-time 2186 clock (RTC), GPIOs and a 32.768 kHz clock gate. 2187 2188config MFD_ROHM_BD957XMUF 2189 tristate "ROHM BD9576MUF and BD9573MUF Power Management ICs" 2190 depends on I2C=y 2191 depends on OF 2192 select REGMAP_I2C 2193 select REGMAP_IRQ 2194 select MFD_CORE 2195 help 2196 Select this option to get support for the ROHM BD9576MUF and 2197 BD9573MUF Power Management ICs. BD9576 and BD9573 are primarily 2198 designed to be used to power R-Car series processors. 2199 2200config MFD_ROHM_BD96801 2201 tristate "ROHM BD96801 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 BD96801 Power 2209 Management IC. The ROHM BD96801 is a highly scalable Power Management 2210 IC for industrial and automotive use. The BD96801 can be used as a 2211 master PMIC in a chained PMIC solution with suitable companion PMICs. 2212 2213config MFD_STM32_LPTIMER 2214 tristate "Support for STM32 Low-Power Timer" 2215 depends on (ARCH_STM32 && OF) || COMPILE_TEST 2216 select MFD_CORE 2217 select REGMAP 2218 select REGMAP_MMIO 2219 help 2220 Select this option to enable STM32 Low-Power Timer driver 2221 used for PWM, IIO Trigger, IIO Encoder and Counter. Shared 2222 resources are also dealt with here. 2223 2224 To compile this driver as a module, choose M here: the 2225 module will be called stm32-lptimer. 2226 2227config MFD_STM32_TIMERS 2228 tristate "Support for STM32 Timers" 2229 depends on (ARCH_STM32 && OF) || COMPILE_TEST 2230 select MFD_CORE 2231 select REGMAP 2232 select REGMAP_MMIO 2233 help 2234 Select this option to enable STM32 timers driver used 2235 for PWM and IIO Timer. This driver allow to share the 2236 registers between the others drivers. 2237 2238config MFD_STPMIC1 2239 tristate "Support for STPMIC1 PMIC" 2240 depends on I2C=y && OF 2241 select REGMAP_I2C 2242 select REGMAP_IRQ 2243 select MFD_CORE 2244 help 2245 Support for ST Microelectronics STPMIC1 PMIC. STPMIC1 has power on 2246 key, watchdog and regulator functionalities which are supported via 2247 the relevant subsystems. This driver provides core support for the 2248 STPMIC1. In order to use the actual functionality of the device other 2249 drivers must be enabled. 2250 2251 To compile this driver as a module, choose M here: the 2252 module will be called stpmic1. 2253 2254config MFD_STMFX 2255 tristate "Support for STMicroelectronics Multi-Function eXpander (STMFX)" 2256 depends on I2C 2257 depends on OF 2258 select MFD_CORE 2259 select REGMAP_I2C 2260 help 2261 Support for the STMicroelectronics Multi-Function eXpander. 2262 2263 This driver provides common support for accessing the device, 2264 additional drivers must be enabled in order to use the functionality 2265 of the device. 2266 2267config MFD_WCD934X 2268 tristate "Support for WCD9340/WCD9341 Codec" 2269 depends on SLIMBUS 2270 select REGMAP 2271 select REGMAP_SLIMBUS 2272 select REGMAP_IRQ 2273 select MFD_CORE 2274 help 2275 Support for the Qualcomm WCD9340/WCD9341 Codec. 2276 This driver provides common support WCD934x audio codec and its 2277 associated Pin Controller, Soundwire Controller and Audio codec. 2278 2279config MFD_ATC260X 2280 tristate 2281 select MFD_CORE 2282 select REGMAP 2283 select REGMAP_IRQ 2284 2285config MFD_ATC260X_I2C 2286 tristate "Actions Semi ATC260x PMICs with I2C" 2287 select MFD_ATC260X 2288 select REGMAP_I2C 2289 depends on I2C 2290 help 2291 Support for the Actions Semi ATC260x PMICs controlled via I2C. 2292 2293 This driver provides common support for accessing the ATC2603C 2294 and ATC2609A chip variants, additional drivers must be enabled 2295 in order to use the functionality of the device. 2296 2297config MFD_KHADAS_MCU 2298 tristate "Support for Khadas System control Microcontroller" 2299 depends on I2C 2300 depends on ARCH_MESON || ARCH_ROCKCHIP || COMPILE_TEST 2301 select MFD_CORE 2302 select REGMAP_I2C 2303 help 2304 Support for the Khadas System control Microcontroller interface 2305 present on their VIM and Edge boards. 2306 2307 This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and 2308 Edge boards. 2309 2310 It provides multiple boot control features like password check, 2311 power-on options, power-off control and system FAN control on recent 2312 boards. 2313 2314 This driver provides common support for accessing the device, 2315 additional drivers must be enabled in order to use the functionality 2316 of the device. 2317 2318config MFD_ACER_A500_EC 2319 tristate "Support for Acer Iconia Tab A500 Embedded Controller" 2320 depends on I2C 2321 depends on (ARCH_TEGRA_2x_SOC && OF) || COMPILE_TEST 2322 select MFD_CORE 2323 select REGMAP 2324 help 2325 Support for Embedded Controller found on Acer Iconia Tab A500. 2326 The controller itself is ENE KB930, it is running firmware 2327 customized for the specific needs of the Acer A500 hardware. 2328 2329config MFD_QCOM_PM8008 2330 tristate "QCOM PM8008 Power Management IC" 2331 depends on I2C && OF 2332 select MFD_CORE 2333 select REGMAP_I2C 2334 select REGMAP_IRQ 2335 help 2336 Select this option to get support for the Qualcomm Technologies, Inc. 2337 PM8008 PMIC chip. PM8008 is a dedicated camera PMIC that integrates 2338 all the necessary power management, housekeeping, and interface 2339 support functions into a single IC. This driver provides common 2340 support for accessing the device by instantiating all the child nodes 2341 under it in the device tree. Additional drivers must be enabled in 2342 order to use the functionality of the device. 2343 2344menu "Multimedia Capabilities Port drivers" 2345 depends on ARCH_SA1100 2346 2347config MCP 2348 tristate 2349 2350# Interface drivers 2351config MCP_SA11X0 2352 tristate "Support SA11x0 MCP interface" 2353 depends on ARCH_SA1100 2354 select MCP 2355 2356# Chip drivers 2357config MCP_UCB1200 2358 tristate "Support for UCB1200 / UCB1300" 2359 depends on MCP_SA11X0 2360 select MCP 2361 2362config MCP_UCB1200_TS 2363 tristate "Touchscreen interface support" 2364 depends on MCP_UCB1200 && INPUT 2365 2366endmenu 2367 2368config MFD_VEXPRESS_SYSREG 2369 tristate "Versatile Express System Registers" 2370 depends on VEXPRESS_CONFIG && GPIOLIB 2371 default y 2372 select GPIO_GENERIC_PLATFORM 2373 select MFD_CORE 2374 select MFD_SYSCON 2375 help 2376 System Registers are the platform configuration block 2377 on the ARM Ltd. Versatile Express board. 2378 2379config RAVE_SP_CORE 2380 tristate "RAVE SP MCU core driver" 2381 depends on SERIAL_DEV_BUS 2382 select CRC_ITU_T 2383 help 2384 Select this to get support for the Supervisory Processor 2385 device found on several devices in RAVE line of hardware. 2386 2387config SGI_MFD_IOC3 2388 bool "SGI IOC3 core driver" 2389 depends on PCI && MIPS && 64BIT 2390 select MFD_CORE 2391 help 2392 This option enables basic support for the SGI IOC3-based 2393 controller cards. This option does not enable any specific 2394 functions on such a card, but provides necessary infrastructure 2395 for other drivers to utilize. 2396 2397 If you have an SGI Origin, Octane, or a PCI IOC3 card, 2398 then say Y. Otherwise say N. 2399 2400config MFD_INTEL_M10_BMC_CORE 2401 tristate 2402 select MFD_CORE 2403 select REGMAP 2404 default n 2405 2406config MFD_INTEL_M10_BMC_SPI 2407 tristate "Intel MAX 10 Board Management Controller with SPI" 2408 depends on SPI_MASTER 2409 select MFD_INTEL_M10_BMC_CORE 2410 select REGMAP_SPI_AVMM 2411 help 2412 Support for the Intel MAX 10 board management controller using the 2413 SPI interface. 2414 2415 This driver provides common support for accessing the device, 2416 additional drivers must be enabled in order to use the functionality 2417 of the device. 2418 2419config MFD_INTEL_M10_BMC_PMCI 2420 tristate "Intel MAX 10 Board Management Controller with PMCI" 2421 depends on FPGA_DFL 2422 select MFD_INTEL_M10_BMC_CORE 2423 select REGMAP 2424 help 2425 Support for the Intel MAX 10 board management controller via PMCI. 2426 2427 This driver provides common support for accessing the device, 2428 additional drivers must be enabled in order to use the functionality 2429 of the device. 2430 2431config MFD_QNAP_MCU 2432 tristate "QNAP microcontroller unit core driver" 2433 depends on SERIAL_DEV_BUS 2434 select MFD_CORE 2435 help 2436 Select this to get support for the QNAP MCU device found in 2437 several devices of QNAP network attached storage products that 2438 implements additional functionality for the device, like fan 2439 and LED control. 2440 2441 This driver implements the base serial protocol to talk to the 2442 device and provides functions for the other parts to hook into. 2443 2444config MFD_RSMU_I2C 2445 tristate "Renesas Synchronization Management Unit with I2C" 2446 depends on I2C && OF 2447 select MFD_CORE 2448 select REGMAP_I2C 2449 help 2450 Support for the Renesas Synchronization Management Unit, such as 2451 Clockmatrix and 82P33XXX series. This option supports I2C as 2452 the control interface. 2453 2454 This driver provides common support for accessing the device. 2455 Additional drivers must be enabled in order to use the functionality 2456 of the device. 2457 2458config MFD_RSMU_SPI 2459 tristate "Renesas Synchronization Management Unit with SPI" 2460 depends on SPI && OF 2461 select MFD_CORE 2462 select REGMAP_SPI 2463 help 2464 Support for the Renesas Synchronization Management Unit, such as 2465 Clockmatrix and 82P33XXX series. This option supports SPI as 2466 the control interface. 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_UPBOARD_FPGA 2473 tristate "Support for the AAeon UP board FPGA" 2474 depends on (X86 && ACPI) 2475 select MFD_CORE 2476 help 2477 Select this option to enable the AAEON UP and UP^2 onboard FPGA. 2478 This is the core driver of this FPGA, which has a pin controller and a 2479 LED controller. 2480 2481 To compile this driver as a module, choose M here: the module will be 2482 called upboard-fpga. 2483 2484endmenu 2485endif 2486