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1# SPDX-License-Identifier: GPL-2.0-only
2#
3# PINCTRL infrastructure and drivers
4#
5
6menuconfig PINCTRL
7 bool "Pin controllers"
8
9if PINCTRL
10
11config GENERIC_PINCTRL_GROUPS
12 bool
13
14config PINMUX
15 bool "Support pin multiplexing controllers" if COMPILE_TEST
16
17config GENERIC_PINMUX_FUNCTIONS
18 bool
19 select PINMUX
20
21config PINCONF
22 bool "Support pin configuration controllers" if COMPILE_TEST
23
24config GENERIC_PINCONF
25 bool
26 select PINCONF
27
28config DEBUG_PINCTRL
29 bool "Debug PINCTRL calls"
30 depends on DEBUG_KERNEL
31 help
32 Say Y here to add some extra checks and diagnostics to PINCTRL calls.
33
34config PINCTRL_AMD
35 bool "AMD GPIO pin control"
36 depends on HAS_IOMEM
37 depends on ACPI || COMPILE_TEST
38 select GPIOLIB
39 select GPIOLIB_IRQCHIP
40 select PINMUX
41 select PINCONF
42 select GENERIC_PINCONF
43 help
44 The driver for memory mapped GPIO functionality on AMD platforms
45 (x86 or arm). Most of the pins are usually muxed to some other
46 functionality by firmware, so only a small amount is available
47 for GPIO use.
48
49 Requires ACPI/FDT device enumeration code to set up a platform
50 device.
51
52config PINCTRL_APPLE_GPIO
53 tristate "Apple SoC GPIO pin controller driver"
54 depends on ARCH_APPLE
55 select PINMUX
56 select GPIOLIB
57 select GPIOLIB_IRQCHIP
58 select GENERIC_PINCTRL_GROUPS
59 select GENERIC_PINMUX_FUNCTIONS
60 select OF_GPIO
61 help
62 This is the driver for the GPIO controller found on Apple ARM SoCs,
63 including M1.
64
65 This driver can also be built as a module. If so, the module
66 will be called pinctrl-apple-gpio.
67
68config PINCTRL_ARTPEC6
69 bool "Axis ARTPEC-6 pin controller driver"
70 depends on MACH_ARTPEC6
71 select PINMUX
72 select GENERIC_PINCONF
73 help
74 This is the driver for the Axis ARTPEC-6 pin controller. This driver
75 supports pin function multiplexing as well as pin bias and drive
76 strength configuration. Device tree integration instructions can be
77 found in Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
78
79config PINCTRL_AS3722
80 tristate "Pinctrl and GPIO driver for ams AS3722 PMIC"
81 depends on MFD_AS3722 && GPIOLIB
82 select PINMUX
83 select GENERIC_PINCONF
84 help
85 AS3722 device supports the configuration of GPIO pins for different
86 functionality. This driver supports the pinmux, push-pull and
87 open drain configuration for the GPIO pins of AS3722 devices. It also
88 supports the GPIO functionality through gpiolib.
89
90config PINCTRL_AT91
91 bool "AT91 pinctrl driver"
92 depends on OF
93 depends on ARCH_AT91
94 select PINMUX
95 select PINCONF
96 select GPIOLIB
97 select OF_GPIO
98 select GPIOLIB_IRQCHIP
99 help
100 Say Y here to enable the at91 pinctrl driver
101
102config PINCTRL_AT91PIO4
103 bool "AT91 PIO4 pinctrl driver"
104 depends on OF
105 depends on HAS_IOMEM
106 depends on ARCH_AT91 || COMPILE_TEST
107 select PINMUX
108 select GENERIC_PINCONF
109 select GPIOLIB
110 select GPIOLIB_IRQCHIP
111 select OF_GPIO
112 help
113 Say Y here to enable the at91 pinctrl/gpio driver for Atmel PIO4
114 controller available on sama5d2 SoC.
115
116config PINCTRL_AXP209
117 tristate "X-Powers AXP209 PMIC pinctrl and GPIO Support"
118 depends on MFD_AXP20X
119 depends on OF
120 select PINMUX
121 select GENERIC_PINCONF
122 select GPIOLIB
123 help
124 AXP PMICs provides multiple GPIOs that can be muxed for different
125 functions. This driver bundles a pinctrl driver to select the function
126 muxing and a GPIO driver to handle the GPIO when the GPIO function is
127 selected.
128 Say Y to enable pinctrl and GPIO support for the AXP209 PMIC.
129
130config PINCTRL_BM1880
131 bool "Bitmain BM1880 Pinctrl driver"
132 depends on OF && (ARCH_BITMAIN || COMPILE_TEST)
133 default ARCH_BITMAIN
134 select PINMUX
135 help
136 Pinctrl driver for Bitmain BM1880 SoC.
137
138config PINCTRL_CY8C95X0
139 tristate "Cypress CY8C95X0 I2C pinctrl and GPIO driver"
140 depends on I2C
141 select GPIOLIB
142 select GPIOLIB_IRQCHIP
143 select PINMUX
144 select PINCONF
145 select GENERIC_PINCONF
146 select REGMAP_I2C
147 help
148 Support for 20/40/60 pin Cypress Cy8C95x0 pinctrl/gpio I2C expander.
149 This driver can also be built as a module. If so, the module will be
150 called pinctrl-cy8c95x0.
151
152config PINCTRL_DA850_PUPD
153 tristate "TI DA850/OMAP-L138/AM18XX pull-up and pull-down groups"
154 depends on OF && (ARCH_DAVINCI_DA850 || COMPILE_TEST)
155 select PINCONF
156 select GENERIC_PINCONF
157 help
158 Driver for TI DA850/OMAP-L138/AM18XX pinconf. Used to control
159 pull-up and pull-down pin groups.
160
161config PINCTRL_DA9062
162 tristate "Dialog Semiconductor DA9062 PMIC pinctrl and GPIO Support"
163 depends on MFD_DA9062
164 select GPIOLIB
165 help
166 The Dialog DA9062 PMIC provides multiple GPIOs that can be muxed for
167 different functions. This driver bundles a pinctrl driver to select the
168 function muxing and a GPIO driver to handle the GPIO when the GPIO
169 function is selected.
170
171 Say Y to enable pinctrl and GPIO support for the DA9062 PMIC.
172
173config PINCTRL_DIGICOLOR
174 bool
175 depends on ARCH_DIGICOLOR || COMPILE_TEST
176 select PINMUX
177 select GENERIC_PINCONF
178
179config PINCTRL_EQUILIBRIUM
180 tristate "Generic pinctrl and GPIO driver for Intel Lightning Mountain SoC"
181 depends on OF && HAS_IOMEM
182 depends on X86 || COMPILE_TEST
183 select PINMUX
184 select PINCONF
185 select GPIOLIB
186 select GPIO_GENERIC
187 select GPIOLIB_IRQCHIP
188 select GENERIC_PINCONF
189 select GENERIC_PINCTRL_GROUPS
190 select GENERIC_PINMUX_FUNCTIONS
191 help
192 Equilibrium driver is a pinctrl and GPIO driver for Intel Lightning
193 Mountain network processor SoC that supports both the GPIO and pin
194 control frameworks. It provides interfaces to setup pin muxing, assign
195 desired pin functions, configure GPIO attributes for LGM SoC pins.
196 Pin muxing and pin config settings are retrieved from device tree.
197
198config PINCTRL_GEMINI
199 bool
200 depends on ARCH_GEMINI
201 default ARCH_GEMINI
202 select PINMUX
203 select GENERIC_PINCONF
204 select MFD_SYSCON
205
206config PINCTRL_INGENIC
207 bool "Pinctrl driver for the Ingenic JZ47xx SoCs"
208 default MACH_INGENIC
209 depends on OF
210 depends on MIPS || COMPILE_TEST
211 select GENERIC_PINCONF
212 select GENERIC_PINCTRL_GROUPS
213 select GENERIC_PINMUX_FUNCTIONS
214 select GPIOLIB
215 select GPIOLIB_IRQCHIP
216 select REGMAP_MMIO
217
218config PINCTRL_K210
219 bool "Pinctrl driver for the Canaan Kendryte K210 SoC"
220 depends on RISCV && SOC_CANAAN && OF
221 select GENERIC_PINMUX_FUNCTIONS
222 select GENERIC_PINCONF
223 select GPIOLIB
224 select OF_GPIO
225 select REGMAP_MMIO
226 default SOC_CANAAN
227 help
228 Add support for the Canaan Kendryte K210 RISC-V SOC Field
229 Programmable IO Array (FPIOA) controller.
230
231config PINCTRL_KEEMBAY
232 tristate "Pinctrl driver for Intel Keem Bay SoC"
233 depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST)
234 depends on HAS_IOMEM
235 select PINMUX
236 select PINCONF
237 select GENERIC_PINCONF
238 select GENERIC_PINCTRL_GROUPS
239 select GENERIC_PINMUX_FUNCTIONS
240 select GPIOLIB
241 select GPIOLIB_IRQCHIP
242 select GPIO_GENERIC
243 help
244 This selects pin control driver for the Intel Keem Bay SoC.
245 It provides pin config functions such as pull-up, pull-down,
246 interrupt, drive strength, sec lock, Schmitt trigger, slew
247 rate control and direction control. This module will be
248 called as pinctrl-keembay.
249
250config PINCTRL_LANTIQ
251 bool
252 depends on LANTIQ
253 select PINMUX
254 select PINCONF
255
256config PINCTRL_FALCON
257 bool
258 depends on SOC_FALCON
259 depends on PINCTRL_LANTIQ
260
261config PINCTRL_LOONGSON2
262 tristate "Pinctrl driver for the Loongson-2 SoC"
263 depends on OF && (LOONGARCH || COMPILE_TEST)
264 select PINMUX
265 select GENERIC_PINCONF
266 help
267 This selects pin control driver for the Loongson-2 SoC. It
268 provides pin config functions multiplexing. GPIO pin pull-up,
269 pull-down functions are not supported. Say yes to enable
270 pinctrl for Loongson-2 SoC.
271
272config PINCTRL_XWAY
273 bool
274 depends on SOC_TYPE_XWAY
275 depends on PINCTRL_LANTIQ
276
277config PINCTRL_LPC18XX
278 bool "NXP LPC18XX/43XX SCU pinctrl driver"
279 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
280 default ARCH_LPC18XX
281 select PINMUX
282 select GENERIC_PINCONF
283 help
284 Pinctrl driver for NXP LPC18xx/43xx System Control Unit (SCU).
285
286config PINCTRL_MAX77620
287 tristate "MAX77620/MAX20024 Pincontrol support"
288 depends on MFD_MAX77620 && OF
289 select PINMUX
290 select GENERIC_PINCONF
291 help
292 Say Y here to enable Pin control support for Maxim MAX77620 PMIC.
293 This PMIC has 8 GPIO pins that work as GPIO as well as special
294 function in alternate mode. This driver also configure push-pull,
295 open drain, FPS slots etc.
296
297config PINCTRL_MCP23S08_I2C
298 tristate
299 select REGMAP_I2C
300
301config PINCTRL_MCP23S08_SPI
302 tristate
303 select REGMAP_SPI
304
305config PINCTRL_MCP23S08
306 tristate "Microchip MCP23xxx I/O expander"
307 depends on SPI_MASTER || I2C
308 select GPIOLIB
309 select GPIOLIB_IRQCHIP
310 select GENERIC_PINCONF
311 select PINCTRL_MCP23S08_I2C if I2C
312 select PINCTRL_MCP23S08_SPI if SPI_MASTER
313 help
314 SPI/I2C driver for Microchip MCP23S08 / MCP23S17 / MCP23S18 /
315 MCP23008 / MCP23017 / MCP23018 I/O expanders.
316 This provides a GPIO interface supporting inputs and outputs and a
317 corresponding interrupt-controller.
318
319config PINCTRL_MICROCHIP_SGPIO
320 tristate "Pinctrl driver for Microsemi/Microchip Serial GPIO"
321 depends on OF
322 depends on HAS_IOMEM
323 select GPIOLIB
324 select GPIOLIB_IRQCHIP
325 select GENERIC_PINCONF
326 select GENERIC_PINCTRL_GROUPS
327 select GENERIC_PINMUX_FUNCTIONS
328 select OF_GPIO
329 help
330 Support for the serial GPIO interface used on Microsemi and
331 Microchip SoCs. By using a serial interface, the SIO
332 controller significantly extends the number of available
333 GPIOs with a minimum number of additional pins on the
334 device. The primary purpose of the SIO controller is to
335 connect control signals from SFP modules and to act as an
336 LED controller.
337
338 If compiled as a module, the module name will be
339 pinctrl-microchip-sgpio.
340
341config PINCTRL_OCELOT
342 tristate "Pinctrl driver for the Microsemi Ocelot and Jaguar2 SoCs"
343 depends on OF
344 depends on HAS_IOMEM
345 select GPIOLIB
346 select GPIOLIB_IRQCHIP
347 select GENERIC_PINCONF
348 select GENERIC_PINCTRL_GROUPS
349 select GENERIC_PINMUX_FUNCTIONS
350 select OF_GPIO
351 select REGMAP_MMIO
352 help
353 Support for the internal GPIO interfaces on Microsemi Ocelot and
354 Jaguar2 SoCs.
355
356 If conpiled as a module, the module name will be pinctrl-ocelot.
357
358config PINCTRL_PALMAS
359 tristate "Pinctrl driver for the PALMAS Series MFD devices"
360 depends on OF && MFD_PALMAS
361 select PINMUX
362 select GENERIC_PINCONF
363 help
364 Palmas device supports the configuration of pins for different
365 functionality. This driver supports the pinmux, push-pull and
366 open drain configuration for the Palmas series devices like
367 TPS65913, TPS80036 etc.
368
369config PINCTRL_PEF2256
370 tristate "Lantiq PEF2256 (FALC56) pin controller driver"
371 depends on OF && FRAMER_PEF2256
372 select PINMUX
373 select PINCONF
374 select GENERIC_PINCONF
375 help
376 This option enables the pin controller support for the Lantiq PEF2256
377 framer, also known as FALC56.
378
379 If unsure, say N.
380
381 To compile this driver as a module, choose M here: the
382 module will be called pinctrl-pef2256.
383
384config PINCTRL_PIC32
385 bool "Microchip PIC32 pin controller driver"
386 depends on OF
387 depends on MACH_PIC32
388 select PINMUX
389 select GENERIC_PINCONF
390 select GPIOLIB_IRQCHIP
391 select OF_GPIO
392 help
393 This is the pin controller and gpio driver for Microchip PIC32
394 microcontrollers. This option is selected automatically when specific
395 machine and arch are selected to build.
396
397config PINCTRL_PIC32MZDA
398 def_bool y if PIC32MZDA
399 select PINCTRL_PIC32
400
401config PINCTRL_PISTACHIO
402 bool "IMG Pistachio SoC pinctrl driver"
403 depends on OF && (MIPS || COMPILE_TEST)
404 depends on GPIOLIB
405 select PINMUX
406 select GENERIC_PINCONF
407 select GPIOLIB_IRQCHIP
408 select OF_GPIO
409 help
410 This support pinctrl and GPIO driver for IMG Pistachio SoC.
411
412config PINCTRL_RK805
413 tristate "Pinctrl and GPIO driver for RK805 PMIC"
414 depends on MFD_RK8XX
415 select GPIOLIB
416 select PINMUX
417 select GENERIC_PINCONF
418 help
419 This selects the pinctrl driver for RK805.
420
421config PINCTRL_ROCKCHIP
422 tristate "Rockchip gpio and pinctrl driver"
423 depends on ARCH_ROCKCHIP || COMPILE_TEST
424 depends on OF
425 select GPIOLIB
426 select PINMUX
427 select GENERIC_PINCONF
428 select GENERIC_IRQ_CHIP
429 select MFD_SYSCON
430 select OF_GPIO
431 default ARCH_ROCKCHIP
432 help
433 This support pinctrl and GPIO driver for Rockchip SoCs.
434
435config PINCTRL_SINGLE
436 tristate "One-register-per-pin type device tree based pinctrl driver"
437 depends on OF
438 depends on HAS_IOMEM
439 select GENERIC_PINCTRL_GROUPS
440 select GENERIC_PINMUX_FUNCTIONS
441 select GENERIC_PINCONF
442 help
443 This selects the device tree based generic pinctrl driver.
444
445config PINCTRL_ST
446 bool
447 depends on OF
448 select PINMUX
449 select PINCONF
450 select GPIOLIB_IRQCHIP
451
452config PINCTRL_STMFX
453 tristate "STMicroelectronics STMFX GPIO expander pinctrl driver"
454 depends on I2C
455 depends on OF_GPIO
456 select GENERIC_PINCONF
457 select GPIOLIB_IRQCHIP
458 select MFD_STMFX
459 help
460 Driver for STMicroelectronics Multi-Function eXpander (STMFX)
461 GPIO expander.
462 This provides a GPIO interface supporting inputs and outputs,
463 and configuring push-pull, open-drain, and can also be used as
464 interrupt-controller.
465
466config PINCTRL_SX150X
467 bool "Semtech SX150x I2C GPIO expander pinctrl driver"
468 depends on I2C=y
469 select PINMUX
470 select PINCONF
471 select GENERIC_PINCONF
472 select GPIOLIB
473 select GPIOLIB_IRQCHIP
474 select REGMAP
475 help
476 Say Y here to provide support for Semtech SX150x-series I2C
477 GPIO expanders as pinctrl module.
478 Compatible models include:
479 - 8 bits: sx1508q, sx1502q
480 - 16 bits: sx1509q, sx1506q
481
482config PINCTRL_TB10X
483 bool
484 depends on OF && ARC_PLAT_TB10X
485 select GPIOLIB
486
487config PINCTRL_TPS6594
488 tristate "Pinctrl and GPIO driver for TI TPS6594 PMIC"
489 depends on OF && MFD_TPS6594
490 default MFD_TPS6594
491 select PINMUX
492 select GPIOLIB
493 select REGMAP
494 select GPIO_REGMAP
495 select GENERIC_PINCONF
496 help
497 Say Y to select the pinmuxing and GPIOs driver for the TPS6594
498 PMICs chip family.
499
500 This driver can also be built as a module
501 called tps6594-pinctrl.
502
503config PINCTRL_ZYNQ
504 bool "Pinctrl driver for Xilinx Zynq"
505 depends on ARCH_ZYNQ
506 select PINMUX
507 select GENERIC_PINCONF
508 help
509 This selects the pinctrl driver for Xilinx Zynq.
510
511config PINCTRL_ZYNQMP
512 tristate "Pinctrl driver for Xilinx ZynqMP"
513 depends on ZYNQMP_FIRMWARE
514 select PINMUX
515 select GENERIC_PINCONF
516 default ZYNQMP_FIRMWARE
517 help
518 This selects the pinctrl driver for Xilinx ZynqMP platform.
519 This driver will query the pin information from the firmware
520 and allow configuring the pins.
521 Configuration can include the mux function to select on those
522 pin(s)/group(s), and various pin configuration parameters
523 such as pull-up, slew rate, etc.
524 This driver can also be built as a module. If so, the module
525 will be called pinctrl-zynqmp.
526
527config PINCTRL_MLXBF3
528 tristate "NVIDIA BlueField-3 SoC Pinctrl driver"
529 depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST
530 select PINMUX
531 select GPIOLIB
532 select GPIOLIB_IRQCHIP
533 help
534 Say Y to select the pinctrl driver for BlueField-3 SoCs.
535 This pin controller allows selecting the mux function for
536 each pin. This driver can also be built as a module called
537 pinctrl-mlxbf3.
538
539source "drivers/pinctrl/actions/Kconfig"
540source "drivers/pinctrl/aspeed/Kconfig"
541source "drivers/pinctrl/bcm/Kconfig"
542source "drivers/pinctrl/berlin/Kconfig"
543source "drivers/pinctrl/cirrus/Kconfig"
544source "drivers/pinctrl/freescale/Kconfig"
545source "drivers/pinctrl/intel/Kconfig"
546source "drivers/pinctrl/mediatek/Kconfig"
547source "drivers/pinctrl/meson/Kconfig"
548source "drivers/pinctrl/mvebu/Kconfig"
549source "drivers/pinctrl/nomadik/Kconfig"
550source "drivers/pinctrl/nuvoton/Kconfig"
551source "drivers/pinctrl/nxp/Kconfig"
552source "drivers/pinctrl/pxa/Kconfig"
553source "drivers/pinctrl/qcom/Kconfig"
554source "drivers/pinctrl/realtek/Kconfig"
555source "drivers/pinctrl/renesas/Kconfig"
556source "drivers/pinctrl/samsung/Kconfig"
557source "drivers/pinctrl/spear/Kconfig"
558source "drivers/pinctrl/sprd/Kconfig"
559source "drivers/pinctrl/starfive/Kconfig"
560source "drivers/pinctrl/stm32/Kconfig"
561source "drivers/pinctrl/sunplus/Kconfig"
562source "drivers/pinctrl/sunxi/Kconfig"
563source "drivers/pinctrl/tegra/Kconfig"
564source "drivers/pinctrl/ti/Kconfig"
565source "drivers/pinctrl/uniphier/Kconfig"
566source "drivers/pinctrl/visconti/Kconfig"
567source "drivers/pinctrl/vt8500/Kconfig"
568
569endif