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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 OF && (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_OXNAS
359 bool
360 depends on OF
361 select PINMUX
362 select PINCONF
363 select GENERIC_PINCONF
364 select GPIOLIB
365 select OF_GPIO
366 select GPIOLIB_IRQCHIP
367 select MFD_SYSCON
368
369config PINCTRL_PALMAS
370 tristate "Pinctrl driver for the PALMAS Series MFD devices"
371 depends on OF && MFD_PALMAS
372 select PINMUX
373 select GENERIC_PINCONF
374 help
375 Palmas device supports the configuration of pins for different
376 functionality. This driver supports the pinmux, push-pull and
377 open drain configuration for the Palmas series devices like
378 TPS65913, TPS80036 etc.
379
380config PINCTRL_PIC32
381 bool "Microchip PIC32 pin controller driver"
382 depends on OF
383 depends on MACH_PIC32
384 select PINMUX
385 select GENERIC_PINCONF
386 select GPIOLIB_IRQCHIP
387 select OF_GPIO
388 help
389 This is the pin controller and gpio driver for Microchip PIC32
390 microcontrollers. This option is selected automatically when specific
391 machine and arch are selected to build.
392
393config PINCTRL_PIC32MZDA
394 def_bool y if PIC32MZDA
395 select PINCTRL_PIC32
396
397config PINCTRL_PISTACHIO
398 bool "IMG Pistachio SoC pinctrl driver"
399 depends on OF && (MIPS || COMPILE_TEST)
400 depends on GPIOLIB
401 select PINMUX
402 select GENERIC_PINCONF
403 select GPIOLIB_IRQCHIP
404 select OF_GPIO
405 help
406 This support pinctrl and GPIO driver for IMG Pistachio SoC.
407
408config PINCTRL_RK805
409 tristate "Pinctrl and GPIO driver for RK805 PMIC"
410 depends on MFD_RK808
411 select GPIOLIB
412 select PINMUX
413 select GENERIC_PINCONF
414 help
415 This selects the pinctrl driver for RK805.
416
417config PINCTRL_ROCKCHIP
418 tristate "Rockchip gpio and pinctrl driver"
419 depends on ARCH_ROCKCHIP || COMPILE_TEST
420 depends on OF
421 select GPIOLIB
422 select PINMUX
423 select GENERIC_PINCONF
424 select GENERIC_IRQ_CHIP
425 select MFD_SYSCON
426 select OF_GPIO
427 default ARCH_ROCKCHIP
428 help
429 This support pinctrl and GPIO driver for Rockchip SoCs.
430
431config PINCTRL_SINGLE
432 tristate "One-register-per-pin type device tree based pinctrl driver"
433 depends on OF
434 depends on HAS_IOMEM
435 select GENERIC_PINCTRL_GROUPS
436 select GENERIC_PINMUX_FUNCTIONS
437 select GENERIC_PINCONF
438 help
439 This selects the device tree based generic pinctrl driver.
440
441config PINCTRL_ST
442 bool
443 depends on OF
444 select PINMUX
445 select PINCONF
446 select GPIOLIB_IRQCHIP
447
448config PINCTRL_STMFX
449 tristate "STMicroelectronics STMFX GPIO expander pinctrl driver"
450 depends on I2C
451 depends on OF_GPIO
452 select GENERIC_PINCONF
453 select GPIOLIB_IRQCHIP
454 select MFD_STMFX
455 help
456 Driver for STMicroelectronics Multi-Function eXpander (STMFX)
457 GPIO expander.
458 This provides a GPIO interface supporting inputs and outputs,
459 and configuring push-pull, open-drain, and can also be used as
460 interrupt-controller.
461
462config PINCTRL_SX150X
463 bool "Semtech SX150x I2C GPIO expander pinctrl driver"
464 depends on I2C=y
465 select PINMUX
466 select PINCONF
467 select GENERIC_PINCONF
468 select GPIOLIB
469 select GPIOLIB_IRQCHIP
470 select REGMAP
471 help
472 Say Y here to provide support for Semtech SX150x-series I2C
473 GPIO expanders as pinctrl module.
474 Compatible models include:
475 - 8 bits: sx1508q, sx1502q
476 - 16 bits: sx1509q, sx1506q
477
478config PINCTRL_TB10X
479 bool
480 depends on OF && ARC_PLAT_TB10X
481 select GPIOLIB
482
483config PINCTRL_THUNDERBAY
484 tristate "Generic pinctrl and GPIO driver for Intel Thunder Bay SoC"
485 depends on ARCH_THUNDERBAY || (ARM64 && COMPILE_TEST)
486 depends on HAS_IOMEM
487 select PINMUX
488 select PINCONF
489 select GENERIC_PINCONF
490 select GENERIC_PINCTRL_GROUPS
491 select GENERIC_PINMUX_FUNCTIONS
492 select GPIOLIB
493 select GPIOLIB_IRQCHIP
494 select GPIO_GENERIC
495 help
496 This selects pin control driver for the Intel Thunder Bay SoC.
497 It provides pin config functions such as pull-up, pull-down,
498 interrupt, drive strength, sec lock, Schmitt trigger, slew
499 rate control and direction control. This module will be
500 called as pinctrl-thunderbay.
501
502config PINCTRL_ZYNQ
503 bool "Pinctrl driver for Xilinx Zynq"
504 depends on ARCH_ZYNQ
505 select PINMUX
506 select GENERIC_PINCONF
507 help
508 This selects the pinctrl driver for Xilinx Zynq.
509
510config PINCTRL_ZYNQMP
511 tristate "Pinctrl driver for Xilinx ZynqMP"
512 depends on ZYNQMP_FIRMWARE
513 select PINMUX
514 select GENERIC_PINCONF
515 default ZYNQMP_FIRMWARE
516 help
517 This selects the pinctrl driver for Xilinx ZynqMP platform.
518 This driver will query the pin information from the firmware
519 and allow configuring the pins.
520 Configuration can include the mux function to select on those
521 pin(s)/group(s), and various pin configuration parameters
522 such as pull-up, slew rate, etc.
523 This driver can also be built as a module. If so, the module
524 will be called pinctrl-zynqmp.
525
526source "drivers/pinctrl/actions/Kconfig"
527source "drivers/pinctrl/aspeed/Kconfig"
528source "drivers/pinctrl/bcm/Kconfig"
529source "drivers/pinctrl/berlin/Kconfig"
530source "drivers/pinctrl/cirrus/Kconfig"
531source "drivers/pinctrl/freescale/Kconfig"
532source "drivers/pinctrl/intel/Kconfig"
533source "drivers/pinctrl/mediatek/Kconfig"
534source "drivers/pinctrl/meson/Kconfig"
535source "drivers/pinctrl/mvebu/Kconfig"
536source "drivers/pinctrl/nomadik/Kconfig"
537source "drivers/pinctrl/nuvoton/Kconfig"
538source "drivers/pinctrl/pxa/Kconfig"
539source "drivers/pinctrl/qcom/Kconfig"
540source "drivers/pinctrl/ralink/Kconfig"
541source "drivers/pinctrl/renesas/Kconfig"
542source "drivers/pinctrl/samsung/Kconfig"
543source "drivers/pinctrl/spear/Kconfig"
544source "drivers/pinctrl/sprd/Kconfig"
545source "drivers/pinctrl/starfive/Kconfig"
546source "drivers/pinctrl/stm32/Kconfig"
547source "drivers/pinctrl/sunplus/Kconfig"
548source "drivers/pinctrl/sunxi/Kconfig"
549source "drivers/pinctrl/tegra/Kconfig"
550source "drivers/pinctrl/ti/Kconfig"
551source "drivers/pinctrl/uniphier/Kconfig"
552source "drivers/pinctrl/visconti/Kconfig"
553source "drivers/pinctrl/vt8500/Kconfig"
554
555endif