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_NCT6694 1138 tristate "Nuvoton NCT6694 support" 1139 select MFD_CORE 1140 depends on USB 1141 help 1142 This enables support for the Nuvoton USB device NCT6694, which shares 1143 peripherals. 1144 The Nuvoton NCT6694 is a peripheral expander with 16 GPIO chips, 1145 6 I2C controllers, 2 CANfd controllers, 2 Watchdog timers, ADC, 1146 PWM, and RTC. 1147 This driver provides core APIs to access the NCT6694 hardware 1148 monitoring and control features. 1149 Additional drivers must be enabled to utilize the specific 1150 functionalities of the device. 1151 1152config MFD_OCELOT 1153 tristate "Microsemi Ocelot External Control Support" 1154 depends on SPI_MASTER 1155 select MFD_CORE 1156 select REGMAP_SPI 1157 help 1158 Ocelot is a family of networking chips that support multiple ethernet 1159 and fibre interfaces. In addition to networking, they contain several 1160 other functions, including pinctrl, MDIO, and communication with 1161 external chips. While some chips have an internal processor capable of 1162 running an OS, others don't. All chips can be controlled externally 1163 through different interfaces, including SPI, I2C, and PCIe. 1164 1165 Say yes here to add support for Ocelot chips (VSC7511, VSC7512, 1166 VSC7513, VSC7514) controlled externally. 1167 1168 To compile this driver as a module, choose M here: the module will be 1169 called ocelot-soc. 1170 1171 If unsure, say N. 1172 1173config EZX_PCAP 1174 bool "Motorola EZXPCAP Support" 1175 depends on SPI_MASTER 1176 help 1177 This enables the PCAP ASIC present on EZX Phones. This is 1178 needed for MMC, TouchScreen, Sound, USB, etc.. 1179 1180config MFD_CPCAP 1181 tristate "Support for Motorola CPCAP" 1182 depends on SPI 1183 depends on OF 1184 select MFD_CORE 1185 select REGMAP_SPI 1186 select REGMAP_IRQ 1187 help 1188 Say yes here if you want to include driver for CPCAP. 1189 It is used on many Motorola phones and tablets as a PMIC. 1190 At least Motorola Droid 4 is known to use CPCAP. 1191 1192config MFD_VIPERBOARD 1193 tristate "Nano River Technologies Viperboard" 1194 select MFD_CORE 1195 depends on USB 1196 default n 1197 help 1198 Say yes here if you want support for Nano River Technologies 1199 Viperboard. 1200 There are mfd cell drivers available for i2c master, adc and 1201 both gpios found on the board. The spi part does not yet 1202 have a driver. 1203 You need to select the mfd cell drivers separately. 1204 The drivers do not support all features the board exposes. 1205 1206config MFD_NTXEC 1207 tristate "Netronix embedded controller (EC)" 1208 depends on OF 1209 depends on I2C 1210 select REGMAP_I2C 1211 select MFD_CORE 1212 help 1213 Say yes here if you want to support the embedded controller found in 1214 certain e-book readers designed by the original design manufacturer 1215 Netronix. 1216 1217config MFD_RETU 1218 tristate "Nokia Retu and Tahvo multi-function device" 1219 select MFD_CORE 1220 depends on I2C 1221 select REGMAP_IRQ 1222 help 1223 Retu and Tahvo are a multi-function devices found on Nokia 1224 Internet Tablets (770, N800 and N810). 1225 1226config MFD_PM8XXX 1227 tristate "Qualcomm PM8xxx PMIC chips driver" 1228 depends on ARM || HEXAGON || COMPILE_TEST 1229 select IRQ_DOMAIN_HIERARCHY 1230 select MFD_CORE 1231 select REGMAP 1232 help 1233 If you say yes to this option, support will be included for the 1234 built-in PM8xxx PMIC chips. 1235 1236 This is required if your board has a PM8xxx and uses its features, 1237 such as: MPPs, GPIOs, regulators, interrupts, and PWM. 1238 1239 Say M here if you want to include support for PM8xxx chips as a 1240 module. This will build a module called "pm8xxx-core". 1241 1242config MFD_QCOM_RPM 1243 tristate "Qualcomm Resource Power Manager (RPM)" 1244 depends on ARCH_QCOM && OF 1245 help 1246 If you say yes to this option, support will be included for the 1247 Resource Power Manager system found in the Qualcomm 8660, 8960 and 1248 8064 based devices. 1249 1250 This is required to access many regulators, clocks and bus 1251 frequencies controlled by the RPM on these devices. 1252 1253 Say M here if you want to include support for the Qualcomm RPM as a 1254 module. This will build a module called "qcom_rpm". 1255 1256config MFD_SPMI_PMIC 1257 tristate "Qualcomm SPMI PMICs" 1258 depends on ARCH_QCOM || COMPILE_TEST 1259 depends on OF 1260 depends on SPMI 1261 select REGMAP_SPMI 1262 help 1263 This enables support for the Qualcomm SPMI PMICs. 1264 These PMICs are currently used with the Snapdragon 800 series of 1265 SoCs. Note, that this will only be useful paired with descriptions 1266 of the independent functions as children nodes in the device tree. 1267 1268 Say M here if you want to include support for the SPMI PMIC 1269 series as a module. The module will be called "qcom-spmi-pmic". 1270 1271config MFD_SY7636A 1272 tristate "Silergy SY7636A voltage regulator" 1273 depends on I2C 1274 select MFD_SIMPLE_MFD_I2C 1275 help 1276 Enable support for Silergy SY7636A voltage regulator. 1277 1278 To enable support for building sub-devices as modules, 1279 choose M here. 1280 1281config MFD_RDC321X 1282 tristate "RDC R-321x southbridge" 1283 select MFD_CORE 1284 depends on PCI 1285 help 1286 Say yes here if you want to have support for the RDC R-321x SoC 1287 southbridge which provides access to GPIOs and Watchdog using the 1288 southbridge PCI device configuration space. 1289 1290config MFD_RT4831 1291 tristate "Richtek RT4831 four channel WLED and Display Bias Voltage" 1292 depends on I2C 1293 select MFD_CORE 1294 select REGMAP_I2C 1295 help 1296 This enables support for the Richtek RT4831 that includes 4 channel 1297 WLED driving and Display Bias Voltage. It's commonly used to provide 1298 power to the LCD display and LCD backlight. 1299 1300config MFD_RT5033 1301 tristate "Richtek RT5033 Power Management IC" 1302 depends on I2C 1303 select MFD_CORE 1304 select REGMAP_I2C 1305 select REGMAP_IRQ 1306 help 1307 This driver provides for the Richtek RT5033 Power Management IC, 1308 which includes the I2C driver and the Core APIs. This driver provides 1309 common support for accessing the device. The device supports multiple 1310 sub-devices like charger, fuel gauge, flash LED, current source, 1311 LDO and Buck. 1312 1313config MFD_RT5120 1314 tristate "Richtek RT5120 Power Management IC" 1315 depends on I2C 1316 select MFD_CORE 1317 select REGMAP_I2C 1318 select REGMAP_IRQ 1319 help 1320 The enables support for Richtek RT5120 PMIC. It includes four high 1321 efficiency buck converters and one LDO voltage regulator. The device 1322 is targeted at providing the CPU voltage, memory, I/O and peripheral 1323 power rails in home entertainment devices. 1324 1325config MFD_RC5T583 1326 bool "Ricoh RC5T583 Power Management system device" 1327 depends on I2C=y 1328 select MFD_CORE 1329 select REGMAP_I2C 1330 help 1331 Select this option to get support for the RICOH583 Power 1332 Management system device. 1333 This driver provides common support for accessing the device 1334 through i2c interface. The device supports multiple sub-devices 1335 like GPIO, interrupts, RTC, LDO and DCDC regulators, onkey. 1336 Additional drivers must be enabled in order to use the 1337 different functionality of the device. 1338 1339config MFD_RK8XX 1340 tristate 1341 select MFD_CORE 1342 1343config MFD_RK8XX_I2C 1344 tristate "Rockchip RK805/RK808/RK809/RK816/RK817/RK818 Power Management Chip" 1345 depends on I2C && OF 1346 select MFD_CORE 1347 select REGMAP_I2C 1348 select REGMAP_IRQ 1349 select MFD_RK8XX 1350 help 1351 If you say yes here you get support for the RK805, RK808, RK809, 1352 RK816, RK817 and RK818 Power Management chips. 1353 This driver provides common support for accessing the device 1354 through I2C interface. The device supports multiple sub-devices 1355 including interrupts, RTC, LDO & DCDC regulators, and onkey. 1356 1357config MFD_RK8XX_SPI 1358 tristate "Rockchip RK806 Power Management Chip" 1359 depends on SPI && OF 1360 select MFD_CORE 1361 select REGMAP_SPI 1362 select REGMAP_IRQ 1363 select MFD_RK8XX 1364 help 1365 If you say yes here you get support for the RK806 Power Management 1366 chip. 1367 This driver provides common support for accessing the device 1368 through an SPI interface. The device supports multiple sub-devices 1369 including interrupts, LDO & DCDC regulators, and power on-key. 1370 1371config MFD_RN5T618 1372 tristate "Ricoh RN5T567/618 PMIC" 1373 depends on I2C 1374 depends on OF 1375 select MFD_CORE 1376 select REGMAP_I2C 1377 select REGMAP_IRQ 1378 help 1379 Say yes here to add support for the Ricoh RN5T567, 1380 RN5T618, RC5T619 PMIC. 1381 This driver provides common support for accessing the device, 1382 additional drivers must be enabled in order to use the 1383 functionality of the device. 1384 1385config MFD_SEC_CORE 1386 tristate 1387 select MFD_CORE 1388 select REGMAP_IRQ 1389 1390config MFD_SEC_ACPM 1391 tristate "Samsung Electronics S2MPG1x PMICs" 1392 depends on EXYNOS_ACPM_PROTOCOL 1393 depends on OF 1394 select MFD_SEC_CORE 1395 help 1396 Support for the Samsung Electronics PMICs with ACPM interface. 1397 This is a Power Management IC for mobile applications with buck 1398 converters, various LDOs, power meters, RTC, clock outputs, and 1399 additional GPIOs interfaces. 1400 This driver provides common support for accessing the device; 1401 additional drivers must be enabled in order to use the functionality 1402 of the device. 1403 1404 To compile this driver as a module, choose M here: the module will be 1405 called sec-acpm. 1406 1407config MFD_SEC_I2C 1408 tristate "Samsung Electronics S2MPA/S2MPS1X/S2MPU/S5M series PMICs" 1409 depends on I2C=y 1410 depends on OF 1411 select MFD_SEC_CORE 1412 select REGMAP_I2C 1413 help 1414 Support for the Samsung Electronics PMIC devices with I2C interface 1415 coming usually along with Samsung Exynos SoC chipset. 1416 This driver provides common support for accessing the device, 1417 additional drivers must be enabled in order to use the functionality 1418 of the device. 1419 1420 To compile this driver as a module, choose M here: the 1421 module will be called sec-i2c. 1422 Have in mind that important core drivers (like regulators) depend 1423 on this driver so building this as a module might require proper 1424 initial ramdisk or might not boot up as well in certain scenarios. 1425 1426config MFD_SI476X_CORE 1427 tristate "Silicon Laboratories 4761/64/68 AM/FM radio." 1428 depends on I2C 1429 select MFD_CORE 1430 select REGMAP_I2C 1431 help 1432 This is the core driver for the SI476x series of AM/FM 1433 radio. This MFD driver connects the radio-si476x V4L2 module 1434 and the si476x audio codec. 1435 1436 To compile this driver as a module, choose M here: the 1437 module will be called si476x-core. 1438 1439config MFD_SIMPLE_MFD_I2C 1440 tristate 1441 depends on I2C 1442 select MFD_CORE 1443 select REGMAP_I2C 1444 help 1445 This driver creates a single register map with the intention for it 1446 to be shared by all sub-devices. 1447 1448 Once the register map has been successfully initialised, any 1449 sub-devices represented by child nodes in Device Tree will be 1450 subsequently registered. 1451 1452config MFD_SL28CPLD 1453 tristate "Kontron sl28cpld Board Management Controller" 1454 depends on I2C 1455 depends on ARCH_LAYERSCAPE || COMPILE_TEST 1456 select MFD_SIMPLE_MFD_I2C 1457 help 1458 Say yes here to enable support for the Kontron sl28cpld board 1459 management controller. 1460 1461 It can be found on the following boards: 1462 * SMARC-sAL28 1463 1464config MFD_SM501 1465 tristate "Silicon Motion SM501" 1466 depends on HAS_DMA 1467 help 1468 This is the core driver for the Silicon Motion SM501 multimedia 1469 companion chip. This device is a multifunction device which may 1470 provide numerous interfaces including USB host controller, USB gadget, 1471 asynchronous serial ports, audio functions, and a dual display video 1472 interface. The device may be connected by PCI or local bus with 1473 varying functions enabled. 1474 1475config MFD_SM501_GPIO 1476 bool "Export GPIO via GPIO layer" 1477 depends on MFD_SM501 && GPIOLIB 1478 help 1479 This option uses the gpio library layer to export the 64 GPIO 1480 lines on the SM501. The platform data is used to supply the 1481 base number for the first GPIO line to register. 1482 1483config MFD_SKY81452 1484 tristate "Skyworks Solutions SKY81452" 1485 select MFD_CORE 1486 select REGMAP_I2C 1487 depends on I2C 1488 help 1489 This is the core driver for the Skyworks SKY81452 backlight and 1490 voltage regulator device. 1491 1492 This driver can also be built as a module. If so, the module 1493 will be called sky81452. 1494 1495config MFD_SC27XX_PMIC 1496 tristate "Spreadtrum SC27xx PMICs" 1497 depends on ARCH_SPRD || COMPILE_TEST 1498 depends on SPI_MASTER 1499 select MFD_CORE 1500 select REGMAP_SPI 1501 select REGMAP_IRQ 1502 help 1503 This enables support for the Spreadtrum SC27xx PMICs with SPI 1504 interface. The SC27xx series PMICs integrate power management, 1505 audio codec, battery management and user interface support 1506 function (such as RTC, Typec, indicator and so on) in a single chip. 1507 1508 This driver provides common support for accessing the SC27xx PMICs, 1509 and it also adds the irq_chip parts for handling the PMIC chip events. 1510 1511config RZ_MTU3 1512 tristate "Renesas RZ/G2L MTU3a core driver" 1513 depends on (ARCH_RZG2L && OF) || COMPILE_TEST 1514 select MFD_CORE 1515 help 1516 Select this option to enable Renesas RZ/G2L MTU3a core driver for 1517 the Multi-Function Timer Pulse Unit 3 (MTU3a) hardware available 1518 on SoCs from Renesas. The core driver shares the clk and channel 1519 register access for the other child devices like Counter, PWM, 1520 Clock Source, and Clock event. 1521 1522config ABX500_CORE 1523 bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions" 1524 depends on ARCH_U8500 || COMPILE_TEST 1525 default y if ARCH_U8500 1526 help 1527 Say yes here if you have the ABX500 Mixed Signal IC family 1528 chips. This core driver expose register access functions. 1529 Functionality specific drivers using these functions can 1530 remain unchanged when IC changes. Binding of the functions to 1531 actual register access is done by the IC core driver. 1532 1533config AB8500_CORE 1534 bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" 1535 depends on ABX500_CORE && MFD_DB8500_PRCMU 1536 select POWER_SUPPLY 1537 select MFD_CORE 1538 select IRQ_DOMAIN 1539 help 1540 Select this option to enable access to AB8500 power management 1541 chip. This connects to U8500 either on the SSP/SPI bus (deprecated 1542 since hardware version v1.0) or the I2C bus via PRCMU. It also adds 1543 the irq_chip parts for handling the Mixed Signal chip events. 1544 This chip embeds various other multimedia functionalities as well. 1545 1546config MFD_DB8500_PRCMU 1547 bool "ST-Ericsson DB8500 Power Reset Control Management Unit" 1548 depends on UX500_SOC_DB8500 1549 select MFD_CORE 1550 help 1551 Select this option to enable support for the DB8500 Power Reset 1552 and Control Management Unit. This is basically an autonomous 1553 system controller running an XP70 microprocessor, which is accessed 1554 through a register map. 1555 1556config MFD_STMPE 1557 tristate "STMicroelectronics STMPE" 1558 depends on I2C || SPI_MASTER 1559 depends on OF 1560 select MFD_CORE 1561 help 1562 Support for the STMPE family of I/O Expanders from 1563 STMicroelectronics. 1564 1565 Currently supported devices are: 1566 1567 STMPE811: GPIO, Touchscreen, ADC 1568 STMPE1601: GPIO, Keypad 1569 STMPE1801: GPIO, Keypad 1570 STMPE2401: GPIO, Keypad 1571 STMPE2403: GPIO, Keypad 1572 1573 This driver provides common support for accessing the device, 1574 additional drivers must be enabled in order to use the functionality 1575 of the device. Currently available sub drivers are: 1576 1577 GPIO: stmpe-gpio 1578 Keypad: stmpe-keypad 1579 Touchscreen: stmpe-ts 1580 ADC: stmpe-adc 1581 1582menu "STMicroelectronics STMPE Interface Drivers" 1583depends on MFD_STMPE 1584 1585config STMPE_I2C 1586 tristate "STMicroelectronics STMPE I2C Interface" 1587 depends on I2C 1588 default y 1589 help 1590 This is used to enable I2C interface of STMPE 1591 1592config STMPE_SPI 1593 tristate "STMicroelectronics STMPE SPI Interface" 1594 depends on SPI_MASTER 1595 help 1596 This is used to enable SPI interface of STMPE 1597endmenu 1598 1599config MFD_SUN6I_PRCM 1600 bool "Allwinner A31/A23/A33 PRCM controller" 1601 depends on ARCH_SUNXI || COMPILE_TEST 1602 select MFD_CORE 1603 help 1604 Support for the PRCM (Power/Reset/Clock Management) unit available 1605 in the A31, A23, and A33 SoCs. Other Allwinner SoCs contain similar 1606 hardware, but they do not use this driver. 1607 1608config MFD_SYSCON 1609 bool "System Controller Register R/W Based on Regmap" 1610 select REGMAP_MMIO 1611 help 1612 Select this option to enable accessing system control registers 1613 via regmap. 1614 1615config MFD_TI_AM335X_TSCADC 1616 tristate "TI ADC / Touch Screen chip support" 1617 depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST 1618 select MFD_CORE 1619 select REGMAP 1620 select REGMAP_MMIO 1621 help 1622 If you say yes here you get support for Texas Instruments series 1623 of Touch Screen /ADC chips. 1624 To compile this driver as a module, choose M here: the 1625 module will be called ti_am335x_tscadc. 1626 1627config MFD_LP3943 1628 tristate "TI/National Semiconductor LP3943 MFD Driver" 1629 depends on I2C 1630 select MFD_CORE 1631 select REGMAP_I2C 1632 help 1633 Support for the TI/National Semiconductor LP3943. 1634 This driver consists of GPIO and PWM drivers. 1635 With these functionalities, it can be used for LED string control or 1636 general usage such like a GPIO controller and a PWM controller. 1637 1638config MFD_LP8788 1639 bool "TI LP8788 Power Management Unit Driver" 1640 depends on I2C=y 1641 select MFD_CORE 1642 select REGMAP_I2C 1643 select IRQ_DOMAIN 1644 help 1645 TI LP8788 PMU supports regulators, battery charger, RTC, 1646 ADC, backlight driver and current sinks. 1647 1648config MFD_TI_LMU 1649 tristate "TI Lighting Management Unit driver" 1650 depends on I2C 1651 select MFD_CORE 1652 select REGMAP_I2C 1653 help 1654 Say yes here to enable support for TI LMU chips. 1655 TI LMU MFD supports LM3532, LM3631, LM3632, LM3633, LM3695 and 1656 LM36274. It consists of backlight, LED and regulator driver. 1657 It provides consistent device controls for lighting functions. 1658 1659config MFD_OMAP_USB_HOST 1660 bool "TI OMAP USBHS core and TLL driver" 1661 depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3 1662 depends on COMMON_CLK 1663 default y 1664 help 1665 This is the core driver for the OAMP EHCI and OHCI drivers. 1666 This MFD driver does the required setup functionalities for 1667 OMAP USB Host drivers. 1668 1669config MFD_PALMAS 1670 tristate "TI Palmas series chips" 1671 select MFD_CORE 1672 select REGMAP_I2C 1673 select REGMAP_IRQ 1674 depends on I2C=y 1675 help 1676 If you say yes here you get support for the Palmas 1677 series of PMIC chips from Texas Instruments. 1678 1679config TPS6105X 1680 tristate "TI TPS61050/61052 Boost Converters" 1681 depends on I2C 1682 select REGMAP_I2C 1683 select REGULATOR 1684 select MFD_CORE 1685 select REGULATOR_FIXED_VOLTAGE 1686 help 1687 This option enables a driver for the TP61050/TPS61052 1688 high-power "white LED driver". This boost converter is 1689 sometimes used for other things than white LEDs, and 1690 also contains a GPIO pin. 1691 1692config TPS65010 1693 tristate "TI TPS6501x Power Management chips" 1694 depends on I2C && GPIOLIB 1695 default MACH_OMAP_OSK 1696 help 1697 If you say yes here you get support for the TPS6501x series of 1698 Power Management chips. These include voltage regulators, 1699 lithium ion/polymer battery charging, and other features that 1700 are often used in portable devices like cell phones and cameras. 1701 1702 This driver can also be built as a module. If so, the module 1703 will be called tps65010. 1704 1705config TPS6507X 1706 tristate "TI TPS6507x Power Management / Touch Screen chips" 1707 select MFD_CORE 1708 depends on I2C 1709 help 1710 If you say yes here you get support for the TPS6507x series of 1711 Power Management / Touch Screen chips. These include voltage 1712 regulators, lithium ion/polymer battery charging, touch screen 1713 and other features that are often used in portable devices. 1714 This driver can also be built as a module. If so, the module 1715 will be called tps6507x. 1716 1717config MFD_TPS65086 1718 tristate "TI TPS65086 Power Management Integrated Chips (PMICs)" 1719 select MFD_CORE 1720 select REGMAP 1721 select REGMAP_IRQ 1722 select REGMAP_I2C 1723 depends on I2C 1724 help 1725 If you say yes here you get support for the TPS65086 series of 1726 Power Management chips. 1727 This driver provides common support for accessing the device, 1728 additional drivers must be enabled in order to use the 1729 functionality of the device. 1730 1731config TPS65911_COMPARATOR 1732 tristate 1733 1734config MFD_TPS65090 1735 bool "TI TPS65090 Power Management chips" 1736 depends on I2C=y 1737 select MFD_CORE 1738 select REGMAP_I2C 1739 select REGMAP_IRQ 1740 help 1741 If you say yes here you get support for the TPS65090 series of 1742 Power Management chips. 1743 This driver provides common support for accessing the device, 1744 additional drivers must be enabled in order to use the 1745 functionality of the device. 1746 1747config MFD_TPS65217 1748 tristate "TI TPS65217 Power Management / White LED chips" 1749 depends on I2C && OF 1750 select MFD_CORE 1751 select REGMAP_I2C 1752 select IRQ_DOMAIN 1753 help 1754 If you say yes here you get support for the TPS65217 series of 1755 Power Management / White LED chips. 1756 These include voltage regulators, lithium ion/polymer battery 1757 charger, wled and other features that are often used in portable 1758 devices. 1759 1760 This driver can also be built as a module. If so, the module 1761 will be called tps65217. 1762 1763config MFD_TI_LP873X 1764 tristate "TI LP873X Power Management IC" 1765 depends on I2C 1766 select MFD_CORE 1767 select REGMAP_I2C 1768 help 1769 If you say yes here then you get support for the LP873X series of 1770 Power Management Integrated Circuits (PMIC). 1771 These include voltage regulators, thermal protection, configurable 1772 General Purpose Outputs (GPO) that are used in portable devices. 1773 1774 This driver can also be built as a module. If so, the module 1775 will be called lp873x. 1776 1777config MFD_TI_LP87565 1778 tristate "TI LP87565 Power Management IC" 1779 depends on I2C && OF 1780 select MFD_CORE 1781 select REGMAP_I2C 1782 help 1783 If you say yes here then you get support for the LP87565 series of 1784 Power Management Integrated Circuits (PMIC). 1785 These include voltage regulators, thermal protection, configurable 1786 General Purpose Outputs (GPO) that are used in portable devices. 1787 1788 This driver can also be built as a module. If so, the module 1789 will be called lp87565. 1790 1791config MFD_TPS65218 1792 tristate "TI TPS65218 Power Management chips" 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 TPS65218 series of 1799 Power Management chips. 1800 These include voltage regulators, gpio and other features 1801 that are often used in portable devices. 1802 1803 This driver can also be built as a module. If so, the module 1804 will be called tps65218. 1805 1806config MFD_TPS65219 1807 tristate "TI TPS65219 Power Management IC" 1808 depends on I2C && OF 1809 select MFD_CORE 1810 select REGMAP_I2C 1811 select REGMAP_IRQ 1812 help 1813 If you say yes here you get support for the TPS65219 series of Power 1814 Management ICs. These include voltage regulators, GPIOs and 1815 push/power button that is often used in portable devices. 1816 1817 This driver can also be built as a module. If so, the module 1818 will be called tps65219. 1819 1820config MFD_TPS6586X 1821 bool "TI TPS6586x Power Management chips" 1822 depends on I2C=y 1823 select MFD_CORE 1824 select REGMAP_I2C 1825 help 1826 If you say yes here you get support for the TPS6586X series of 1827 Power Management chips. 1828 This driver provides common support for accessing the device, 1829 additional drivers must be enabled in order to use the 1830 functionality of the device. 1831 1832 This driver can also be built as a module. If so, the module 1833 will be called tps6586x. 1834 1835config MFD_TPS65910 1836 bool "TI TPS65910 Power Management chip" 1837 depends on I2C=y 1838 depends on GPIOLIB || COMPILE_TEST 1839 select MFD_CORE 1840 select REGMAP_I2C 1841 select REGMAP_IRQ 1842 select IRQ_DOMAIN 1843 help 1844 if you say yes here you get support for the TPS65910 series of 1845 Power Management chips. 1846 1847config MFD_TPS65912 1848 tristate 1849 select MFD_CORE 1850 select REGMAP 1851 select REGMAP_IRQ 1852 1853config MFD_TPS65912_I2C 1854 tristate "TI TPS65912 Power Management chip with I2C" 1855 select MFD_TPS65912 1856 select REGMAP_I2C 1857 depends on I2C 1858 help 1859 If you say yes here you get support for the TPS65912 series of 1860 PM chips with I2C interface. 1861 1862config MFD_TPS65912_SPI 1863 tristate "TI TPS65912 Power Management chip with SPI" 1864 select MFD_TPS65912 1865 select REGMAP_SPI 1866 depends on SPI_MASTER 1867 help 1868 If you say yes here you get support for the TPS65912 series of 1869 PM chips with SPI interface. 1870 1871config MFD_TPS6594 1872 tristate 1873 select MFD_CORE 1874 select REGMAP 1875 select REGMAP_IRQ 1876 1877config MFD_TPS6594_I2C 1878 tristate "TI TPS6594 Power Management chip with I2C" 1879 select MFD_TPS6594 1880 select REGMAP_I2C 1881 select CRC8 1882 depends on I2C 1883 help 1884 If you say yes here you get support for the TPS6594 series of 1885 PM chips with I2C interface. 1886 1887 This driver can also be built as a module. If so, the module 1888 will be called tps6594-i2c. 1889 1890config MFD_TPS6594_SPI 1891 tristate "TI TPS6594 Power Management chip with SPI" 1892 select MFD_TPS6594 1893 select REGMAP_SPI 1894 select CRC8 1895 depends on SPI_MASTER 1896 help 1897 If you say yes here you get support for the TPS6594 series of 1898 PM chips with SPI interface. 1899 1900 This driver can also be built as a module. If so, the module 1901 will be called tps6594-spi. 1902 1903config TWL4030_CORE 1904 bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support" 1905 depends on I2C=y 1906 select IRQ_DOMAIN 1907 select MFD_CORE 1908 select REGMAP_I2C 1909 help 1910 Say yes here if you have TWL4030 / TWL6030 family chip on your board. 1911 This core driver provides register access and IRQ handling 1912 facilities, and registers devices for the various functions 1913 so that function-specific drivers can bind to them. 1914 1915 These multi-function chips are found on many OMAP2 and OMAP3 1916 boards, providing power management, RTC, GPIO, keypad, a 1917 high speed USB OTG transceiver, an audio codec (on most 1918 versions) and many other features. 1919 1920config TWL4030_POWER 1921 bool "TI TWL4030 power resources" 1922 depends on TWL4030_CORE && ARM 1923 help 1924 Say yes here if you want to use the power resources on the 1925 TWL4030 family chips. Most of these resources are regulators, 1926 which have a separate driver; some are control signals, such 1927 as clock request handshaking. 1928 1929 This driver uses board-specific data to initialize the resources 1930 and load scripts controlling which resources are switched off/on 1931 or reset when a sleep, wakeup or warm reset event occurs. 1932 1933config MFD_TWL4030_AUDIO 1934 bool "TI TWL4030 Audio" 1935 depends on TWL4030_CORE 1936 select MFD_CORE 1937 default n 1938 1939config TWL6040_CORE 1940 bool "TI TWL6040 audio codec" 1941 depends on I2C=y 1942 select MFD_CORE 1943 select REGMAP_I2C 1944 select REGMAP_IRQ 1945 default n 1946 help 1947 Say yes here if you want support for Texas Instruments TWL6040 audio 1948 codec. 1949 This driver provides common support for accessing the device, 1950 additional drivers must be enabled in order to use the 1951 functionality of the device (audio, vibra). 1952 1953config MENELAUS 1954 bool "TI TWL92330/Menelaus PM chip" 1955 depends on I2C=y && ARCH_OMAP2 1956 help 1957 If you say yes here you get support for the Texas Instruments 1958 TWL92330/Menelaus Power Management chip. This include voltage 1959 regulators, Dual slot memory card transceivers, real-time clock 1960 and other features that are often used in portable devices like 1961 cell phones and PDAs. 1962 1963config MFD_WL1273_CORE 1964 tristate "TI WL1273 FM radio" 1965 depends on I2C 1966 select MFD_CORE 1967 default n 1968 help 1969 This is the core driver for the TI WL1273 FM radio. This MFD 1970 driver connects the radio-wl1273 V4L2 module and the wl1273 1971 audio codec. 1972 1973config MFD_LM3533 1974 tristate "TI/National Semiconductor LM3533 Lighting Power chip" 1975 depends on I2C 1976 select MFD_CORE 1977 select REGMAP_I2C 1978 help 1979 Say yes here to enable support for National Semiconductor / TI 1980 LM3533 Lighting Power chips. 1981 1982 This driver provides common support for accessing the device; 1983 additional drivers must be enabled in order to use the LED, 1984 backlight or ambient-light-sensor functionality of the device. 1985 1986config MFD_TIMBERDALE 1987 tristate "Timberdale FPGA" 1988 select MFD_CORE 1989 depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST) 1990 help 1991 This is the core driver for the timberdale FPGA. This device is a 1992 multifunction device which exposes numerous platform devices. 1993 1994 The timberdale FPGA can be found on the Intel Atom development board 1995 for in-vehicle infontainment, called Russellville. 1996 1997config MFD_TC3589X 1998 bool "Toshiba TC35892 and variants" 1999 depends on I2C=y 2000 depends on OF 2001 select MFD_CORE 2002 help 2003 Support for the Toshiba TC35892 and variants I/O Expander. 2004 2005 This driver provides common support for accessing the device, 2006 additional drivers must be enabled in order to use the 2007 functionality of the device. 2008 2009config MFD_TQMX86 2010 tristate "TQ-Systems IO controller TQMX86" 2011 select MFD_CORE 2012 help 2013 Say yes here to enable support for various functions of the 2014 TQ-Systems IO controller and watchdog device, found on their 2015 ComExpress CPU modules. 2016 2017config MFD_VX855 2018 tristate "VIA VX855/VX875 integrated south bridge" 2019 depends on PCI 2020 select MFD_CORE 2021 help 2022 Say yes here to enable support for various functions of the 2023 VIA VX855/VX875 south bridge. You will need to enable the vx855_spi 2024 and/or vx855_gpio drivers for this to do anything useful. 2025 2026config MFD_ARIZONA 2027 select REGMAP 2028 select REGMAP_IRQ 2029 select MFD_CORE 2030 tristate 2031 2032config MFD_ARIZONA_I2C 2033 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C" 2034 select MFD_ARIZONA 2035 select REGMAP_I2C 2036 depends on I2C 2037 help 2038 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform 2039 audio SoC core functionality controlled via I2C. 2040 2041config MFD_ARIZONA_SPI 2042 tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with SPI" 2043 select MFD_ARIZONA 2044 select REGMAP_SPI 2045 depends on SPI_MASTER 2046 help 2047 Support for the Cirrus Logic/Wolfson Microelectronics Arizona platform 2048 audio SoC core functionality controlled via SPI. 2049 2050config MFD_CS47L24 2051 bool "Cirrus Logic CS47L24 and WM1831" 2052 depends on MFD_ARIZONA 2053 help 2054 Support for Cirrus Logic CS47L24 and WM1831 low power audio SoC 2055 2056config MFD_WM5102 2057 bool "Wolfson Microelectronics WM5102" 2058 depends on MFD_ARIZONA 2059 help 2060 Support for Wolfson Microelectronics WM5102 low power audio SoC 2061 2062config MFD_WM5110 2063 bool "Wolfson Microelectronics WM5110 and WM8280/WM8281" 2064 depends on MFD_ARIZONA 2065 help 2066 Support for Wolfson Microelectronics WM5110 and WM8280/WM8281 2067 low power audio SoC 2068 2069config MFD_WM8997 2070 bool "Wolfson Microelectronics WM8997" 2071 depends on MFD_ARIZONA 2072 help 2073 Support for Wolfson Microelectronics WM8997 low power audio SoC 2074 2075config MFD_WM8998 2076 bool "Wolfson Microelectronics WM8998" 2077 depends on MFD_ARIZONA 2078 help 2079 Support for Wolfson Microelectronics WM8998 low power audio SoC 2080 2081config MFD_WM8400 2082 bool "Wolfson Microelectronics WM8400" 2083 select MFD_CORE 2084 depends on I2C=y 2085 select REGMAP_I2C 2086 help 2087 Support for the Wolfson Microelecronics WM8400 PMIC and audio 2088 CODEC. This driver provides common support for accessing 2089 the device, additional drivers must be enabled in order to use 2090 the functionality of the device. 2091 2092config MFD_WM831X 2093 bool 2094 2095config MFD_WM831X_I2C 2096 bool "Wolfson Microelectronics WM831x/2x PMICs with I2C" 2097 select MFD_CORE 2098 select MFD_WM831X 2099 select REGMAP_I2C 2100 select IRQ_DOMAIN 2101 depends on I2C=y 2102 help 2103 Support for the Wolfson Microelecronics WM831x and WM832x PMICs 2104 when controlled using I2C. This driver provides common support 2105 for accessing the device, additional drivers must be enabled in 2106 order to use the functionality of the device. 2107 2108config MFD_WM831X_SPI 2109 bool "Wolfson Microelectronics WM831x/2x PMICs with SPI" 2110 select MFD_CORE 2111 select MFD_WM831X 2112 select REGMAP_SPI 2113 select IRQ_DOMAIN 2114 depends on SPI_MASTER 2115 help 2116 Support for the Wolfson Microelecronics WM831x and WM832x PMICs 2117 when controlled using SPI. This driver provides common support 2118 for accessing the device, additional drivers must be enabled in 2119 order to use the functionality of the device. 2120 2121config MFD_WM8350 2122 bool 2123 2124config MFD_WM8350_I2C 2125 bool "Wolfson Microelectronics WM8350 with I2C" 2126 select MFD_WM8350 2127 select REGMAP_I2C 2128 depends on I2C=y 2129 help 2130 The WM8350 is an integrated audio and power management 2131 subsystem with watchdog and RTC functionality for embedded 2132 systems. This option enables core support for the WM8350 with 2133 I2C as the control interface. Additional options must be 2134 selected to enable support for the functionality of the chip. 2135 2136config MFD_WM8994 2137 tristate "Wolfson Microelectronics WM8994" 2138 select MFD_CORE 2139 select REGMAP_I2C 2140 select REGMAP_IRQ 2141 depends on I2C 2142 help 2143 The WM8994 is a highly integrated hi-fi CODEC designed for 2144 smartphone applications. As well as audio functionality it 2145 has on board GPIO and regulator functionality which is 2146 supported via the relevant subsystems. This driver provides 2147 core support for the WM8994, in order to use the actual 2148 functionality of the device other drivers must be enabled. 2149 2150config MFD_WM97xx 2151 tristate "Wolfson Microelectronics WM97xx" 2152 select MFD_CORE 2153 select REGMAP_AC97 2154 select AC97_BUS_COMPAT 2155 depends on AC97_BUS_NEW 2156 help 2157 The WM9705, WM9712 and WM9713 is a highly integrated hi-fi CODEC 2158 designed for smartphone applications. As well as audio functionality 2159 it has on board GPIO and a touchscreen functionality which is 2160 supported via the relevant subsystems. This driver provides core 2161 support for the WM97xx, in order to use the actual functionality of 2162 the device other drivers must be enabled. 2163 2164config MFD_STW481X 2165 tristate "Support for ST Microelectronics STw481x" 2166 depends on I2C && (ARCH_NOMADIK || COMPILE_TEST) 2167 select REGMAP_I2C 2168 select MFD_CORE 2169 help 2170 Select this option to enable the STw481x chip driver used 2171 in various ST Microelectronics and ST-Ericsson embedded 2172 Nomadik series. 2173 2174config MFD_ROHM_BD718XX 2175 tristate "ROHM BD71837 Power Management IC" 2176 depends on I2C=y 2177 depends on OF 2178 select REGMAP_I2C 2179 select REGMAP_IRQ 2180 select MFD_CORE 2181 help 2182 Select this option to get support for the ROHM BD71837 2183 Power Management ICs. BD71837 is designed to power processors like 2184 NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring 2185 and emergency shut down as well as 32,768KHz clock output. 2186 2187config MFD_ROHM_BD71828 2188 tristate "ROHM BD71828 and BD71815 Power Management IC" 2189 depends on I2C=y 2190 depends on OF 2191 select REGMAP_I2C 2192 select REGMAP_IRQ 2193 select MFD_CORE 2194 help 2195 Select this option to get support for the ROHM BD71828 and BD71815 2196 Power Management ICs. BD71828GW and BD71815AGW are single-chip power 2197 management ICs mainly for battery-powered portable devices. 2198 The BD71828 integrates 7 buck converters and 7 LDOs. The BD71815 2199 has 5 bucks, 7 LDOs, and a boost for driving LEDs. Both ICs provide 2200 also a single-cell linear charger, a Coulomb counter, a real-time 2201 clock (RTC), GPIOs and a 32.768 kHz clock gate. 2202 2203config MFD_ROHM_BD957XMUF 2204 tristate "ROHM BD9576MUF and BD9573MUF Power Management ICs" 2205 depends on I2C=y 2206 depends on OF 2207 select REGMAP_I2C 2208 select REGMAP_IRQ 2209 select MFD_CORE 2210 help 2211 Select this option to get support for the ROHM BD9576MUF and 2212 BD9573MUF Power Management ICs. BD9576 and BD9573 are primarily 2213 designed to be used to power R-Car series processors. 2214 2215config MFD_ROHM_BD96801 2216 tristate "ROHM BD96801 Power Management IC" 2217 depends on I2C=y 2218 depends on OF 2219 select REGMAP_I2C 2220 select REGMAP_IRQ 2221 select MFD_CORE 2222 help 2223 Select this option to get support for the ROHM BD96801 Power 2224 Management IC. The ROHM BD96801 is a highly scalable Power Management 2225 IC for industrial and automotive use. The BD96801 can be used as a 2226 master PMIC in a chained PMIC solution with suitable companion PMICs. 2227 2228config MFD_STM32_LPTIMER 2229 tristate "Support for STM32 Low-Power Timer" 2230 depends on (ARCH_STM32 && OF) || COMPILE_TEST 2231 select MFD_CORE 2232 select REGMAP 2233 select REGMAP_MMIO 2234 help 2235 Select this option to enable STM32 Low-Power Timer driver 2236 used for PWM, IIO Trigger, IIO Encoder and Counter. Shared 2237 resources are also dealt with here. 2238 2239 To compile this driver as a module, choose M here: the 2240 module will be called stm32-lptimer. 2241 2242config MFD_STM32_TIMERS 2243 tristate "Support for STM32 Timers" 2244 depends on (ARCH_STM32 && OF) || COMPILE_TEST 2245 select MFD_CORE 2246 select REGMAP 2247 select REGMAP_MMIO 2248 help 2249 Select this option to enable STM32 timers driver used 2250 for PWM and IIO Timer. This driver allow to share the 2251 registers between the others drivers. 2252 2253config MFD_STPMIC1 2254 tristate "Support for STPMIC1 PMIC" 2255 depends on I2C=y && OF 2256 select REGMAP_I2C 2257 select REGMAP_IRQ 2258 select MFD_CORE 2259 help 2260 Support for ST Microelectronics STPMIC1 PMIC. STPMIC1 has power on 2261 key, watchdog and regulator functionalities which are supported via 2262 the relevant subsystems. This driver provides core support for the 2263 STPMIC1. In order to use the actual functionality of the device other 2264 drivers must be enabled. 2265 2266 To compile this driver as a module, choose M here: the 2267 module will be called stpmic1. 2268 2269config MFD_STMFX 2270 tristate "Support for STMicroelectronics Multi-Function eXpander (STMFX)" 2271 depends on I2C 2272 depends on OF 2273 select MFD_CORE 2274 select REGMAP_I2C 2275 help 2276 Support for the STMicroelectronics Multi-Function eXpander. 2277 2278 This driver provides common support for accessing the device, 2279 additional drivers must be enabled in order to use the functionality 2280 of the device. 2281 2282config MFD_WCD934X 2283 tristate "Support for WCD9340/WCD9341 Codec" 2284 depends on SLIMBUS 2285 select REGMAP 2286 select REGMAP_SLIMBUS 2287 select REGMAP_IRQ 2288 select MFD_CORE 2289 help 2290 Support for the Qualcomm WCD9340/WCD9341 Codec. 2291 This driver provides common support WCD934x audio codec and its 2292 associated Pin Controller, Soundwire Controller and Audio codec. 2293 2294config MFD_ATC260X 2295 tristate 2296 select MFD_CORE 2297 select REGMAP 2298 select REGMAP_IRQ 2299 2300config MFD_ATC260X_I2C 2301 tristate "Actions Semi ATC260x PMICs with I2C" 2302 select MFD_ATC260X 2303 select REGMAP_I2C 2304 depends on I2C 2305 help 2306 Support for the Actions Semi ATC260x PMICs controlled via I2C. 2307 2308 This driver provides common support for accessing the ATC2603C 2309 and ATC2609A chip variants, additional drivers must be enabled 2310 in order to use the functionality of the device. 2311 2312config MFD_KHADAS_MCU 2313 tristate "Support for Khadas System control Microcontroller" 2314 depends on I2C 2315 depends on ARCH_MESON || ARCH_ROCKCHIP || COMPILE_TEST 2316 select MFD_CORE 2317 select REGMAP_I2C 2318 help 2319 Support for the Khadas System control Microcontroller interface 2320 present on their VIM and Edge boards. 2321 2322 This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and 2323 Edge boards. 2324 2325 It provides multiple boot control features like password check, 2326 power-on options, power-off control and system FAN control on recent 2327 boards. 2328 2329 This driver provides common support for accessing the device, 2330 additional drivers must be enabled in order to use the functionality 2331 of the device. 2332 2333config MFD_ACER_A500_EC 2334 tristate "Support for Acer Iconia Tab A500 Embedded Controller" 2335 depends on I2C 2336 depends on (ARCH_TEGRA_2x_SOC && OF) || COMPILE_TEST 2337 select MFD_CORE 2338 select REGMAP 2339 help 2340 Support for Embedded Controller found on Acer Iconia Tab A500. 2341 The controller itself is ENE KB930, it is running firmware 2342 customized for the specific needs of the Acer A500 hardware. 2343 2344config MFD_QCOM_PM8008 2345 tristate "QCOM PM8008 Power Management IC" 2346 depends on I2C && OF 2347 select MFD_CORE 2348 select REGMAP_I2C 2349 select REGMAP_IRQ 2350 help 2351 Select this option to get support for the Qualcomm Technologies, Inc. 2352 PM8008 PMIC chip. PM8008 is a dedicated camera PMIC that integrates 2353 all the necessary power management, housekeeping, and interface 2354 support functions into a single IC. This driver provides common 2355 support for accessing the device by instantiating all the child nodes 2356 under it in the device tree. Additional drivers must be enabled in 2357 order to use the functionality of the device. 2358 2359menu "Multimedia Capabilities Port drivers" 2360 depends on ARCH_SA1100 2361 2362config MCP 2363 tristate 2364 2365# Interface drivers 2366config MCP_SA11X0 2367 tristate "Support SA11x0 MCP interface" 2368 depends on ARCH_SA1100 2369 select MCP 2370 2371# Chip drivers 2372config MCP_UCB1200 2373 tristate "Support for UCB1200 / UCB1300" 2374 depends on MCP_SA11X0 2375 select MCP 2376 2377config MCP_UCB1200_TS 2378 tristate "Touchscreen interface support" 2379 depends on MCP_UCB1200 && INPUT 2380 2381endmenu 2382 2383config MFD_VEXPRESS_SYSREG 2384 tristate "Versatile Express System Registers" 2385 depends on VEXPRESS_CONFIG && GPIOLIB 2386 default y 2387 select GPIO_GENERIC_PLATFORM 2388 select MFD_CORE 2389 select MFD_SYSCON 2390 help 2391 System Registers are the platform configuration block 2392 on the ARM Ltd. Versatile Express board. 2393 2394config RAVE_SP_CORE 2395 tristate "RAVE SP MCU core driver" 2396 depends on SERIAL_DEV_BUS 2397 select CRC_ITU_T 2398 help 2399 Select this to get support for the Supervisory Processor 2400 device found on several devices in RAVE line of hardware. 2401 2402config SGI_MFD_IOC3 2403 bool "SGI IOC3 core driver" 2404 depends on PCI && MIPS && 64BIT 2405 select MFD_CORE 2406 help 2407 This option enables basic support for the SGI IOC3-based 2408 controller cards. This option does not enable any specific 2409 functions on such a card, but provides necessary infrastructure 2410 for other drivers to utilize. 2411 2412 If you have an SGI Origin, Octane, or a PCI IOC3 card, 2413 then say Y. Otherwise say N. 2414 2415config MFD_INTEL_M10_BMC_CORE 2416 tristate 2417 select MFD_CORE 2418 select REGMAP 2419 default n 2420 2421config MFD_INTEL_M10_BMC_SPI 2422 tristate "Intel MAX 10 Board Management Controller with SPI" 2423 depends on SPI_MASTER 2424 select MFD_INTEL_M10_BMC_CORE 2425 select REGMAP_SPI_AVMM 2426 help 2427 Support for the Intel MAX 10 board management controller using the 2428 SPI interface. 2429 2430 This driver provides common support for accessing the device, 2431 additional drivers must be enabled in order to use the functionality 2432 of the device. 2433 2434config MFD_INTEL_M10_BMC_PMCI 2435 tristate "Intel MAX 10 Board Management Controller with PMCI" 2436 depends on FPGA_DFL 2437 select MFD_INTEL_M10_BMC_CORE 2438 select REGMAP 2439 help 2440 Support for the Intel MAX 10 board management controller via PMCI. 2441 2442 This driver provides common support for accessing the device, 2443 additional drivers must be enabled in order to use the functionality 2444 of the device. 2445 2446config MFD_QNAP_MCU 2447 tristate "QNAP microcontroller unit core driver" 2448 depends on SERIAL_DEV_BUS 2449 select MFD_CORE 2450 help 2451 Select this to get support for the QNAP MCU device found in 2452 several devices of QNAP network attached storage products that 2453 implements additional functionality for the device, like fan 2454 and LED control. 2455 2456 This driver implements the base serial protocol to talk to the 2457 device and provides functions for the other parts to hook into. 2458 2459config MFD_RSMU_I2C 2460 tristate "Renesas Synchronization Management Unit with I2C" 2461 depends on I2C && OF 2462 select MFD_CORE 2463 select REGMAP_I2C 2464 help 2465 Support for the Renesas Synchronization Management Unit, such as 2466 Clockmatrix and 82P33XXX series. This option supports I2C as 2467 the control interface. 2468 2469 This driver provides common support for accessing the device. 2470 Additional drivers must be enabled in order to use the functionality 2471 of the device. 2472 2473config MFD_RSMU_SPI 2474 tristate "Renesas Synchronization Management Unit with SPI" 2475 depends on SPI && OF 2476 select MFD_CORE 2477 select REGMAP_SPI 2478 help 2479 Support for the Renesas Synchronization Management Unit, such as 2480 Clockmatrix and 82P33XXX series. This option supports SPI as 2481 the control interface. 2482 2483 This driver provides common support for accessing the device. 2484 Additional drivers must be enabled in order to use the functionality 2485 of the device. 2486 2487config MFD_UPBOARD_FPGA 2488 tristate "Support for the AAeon UP board FPGA" 2489 depends on (X86 && ACPI) 2490 select MFD_CORE 2491 help 2492 Select this option to enable the AAEON UP and UP^2 onboard FPGA. 2493 This is the core driver of this FPGA, which has a pin controller and a 2494 LED controller. 2495 2496 To compile this driver as a module, choose M here: the module will be 2497 called upboard-fpga. 2498 2499config MFD_MAX7360 2500 tristate "Maxim MAX7360 I2C IO Expander" 2501 depends on I2C 2502 select MFD_CORE 2503 select REGMAP_I2C 2504 select REGMAP_IRQ 2505 help 2506 Say yes here to add support for Maxim MAX7360 device, embedding 2507 keypad, rotary encoder, PWM and GPIO features. 2508 2509 This driver provides common support for accessing the device; 2510 additional drivers must be enabled in order to use the functionality 2511 of the device. 2512 2513endmenu 2514endif 2515