tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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_AW9523
131 tristate "Awinic AW9523/AW9523B I2C GPIO expander pinctrl driver"
132 depends on OF && I2C
133 select PINMUX
134 select PINCONF
135 select GENERIC_PINCONF
136 select GPIOLIB
137 select GPIOLIB_IRQCHIP
138 select REGMAP
139 select REGMAP_I2C
140 help
141 The Awinic AW9523/AW9523B is a multi-function I2C GPIO
142 expander with PWM functionality. This driver bundles a
143 pinctrl driver to select the function muxing and a GPIO
144 driver to handle GPIO, when the GPIO function is selected.
145
146 Say yes to enable pinctrl and GPIO support for the AW9523(B).
147
148config PINCTRL_BM1880
149 bool "Bitmain BM1880 Pinctrl driver"
150 depends on OF && (ARCH_BITMAIN || COMPILE_TEST)
151 default ARCH_BITMAIN
152 select PINMUX
153 help
154 Pinctrl driver for Bitmain BM1880 SoC.
155
156config PINCTRL_CY8C95X0
157 tristate "Cypress CY8C95X0 I2C pinctrl and GPIO driver"
158 depends on I2C
159 select GPIOLIB
160 select GPIOLIB_IRQCHIP
161 select PINMUX
162 select PINCONF
163 select GENERIC_PINCONF
164 select REGMAP_I2C
165 help
166 Support for 20/40/60 pin Cypress Cy8C95x0 pinctrl/gpio I2C expander.
167 This driver can also be built as a module. If so, the module will be
168 called pinctrl-cy8c95x0.
169
170config PINCTRL_DA850_PUPD
171 tristate "TI DA850/OMAP-L138/AM18XX pull-up and pull-down groups"
172 depends on OF && (ARCH_DAVINCI_DA850 || COMPILE_TEST)
173 select PINCONF
174 select GENERIC_PINCONF
175 help
176 Driver for TI DA850/OMAP-L138/AM18XX pinconf. Used to control
177 pull-up and pull-down pin groups.
178
179config PINCTRL_DA9062
180 tristate "Dialog Semiconductor DA9062 PMIC pinctrl and GPIO Support"
181 depends on MFD_DA9062
182 select GPIOLIB
183 help
184 The Dialog DA9062 PMIC provides multiple GPIOs that can be muxed for
185 different functions. This driver bundles a pinctrl driver to select the
186 function muxing and a GPIO driver to handle the GPIO when the GPIO
187 function is selected.
188
189 Say Y to enable pinctrl and GPIO support for the DA9062 PMIC.
190
191config PINCTRL_DIGICOLOR
192 bool
193 depends on ARCH_DIGICOLOR || COMPILE_TEST
194 select PINMUX
195 select GENERIC_PINCONF
196
197config PINCTRL_EP93XX
198 bool
199 depends on ARCH_EP93XX || COMPILE_TEST
200 select PINMUX
201 select GENERIC_PINCONF
202 select MFD_SYSCON
203
204config PINCTRL_EQUILIBRIUM
205 tristate "Generic pinctrl and GPIO driver for Intel Lightning Mountain SoC"
206 depends on OF && HAS_IOMEM
207 depends on X86 || COMPILE_TEST
208 select PINMUX
209 select PINCONF
210 select GPIOLIB
211 select GPIO_GENERIC
212 select GPIOLIB_IRQCHIP
213 select GENERIC_PINCONF
214 select GENERIC_PINCTRL_GROUPS
215 select GENERIC_PINMUX_FUNCTIONS
216 help
217 Equilibrium driver is a pinctrl and GPIO driver for Intel Lightning
218 Mountain network processor SoC that supports both the GPIO and pin
219 control frameworks. It provides interfaces to setup pin muxing, assign
220 desired pin functions, configure GPIO attributes for LGM SoC pins.
221 Pin muxing and pin config settings are retrieved from device tree.
222
223config PINCTRL_EYEQ5
224 bool "Mobileye EyeQ5 pinctrl driver"
225 depends on OF
226 depends on MACH_EYEQ5 || COMPILE_TEST
227 select PINMUX
228 select GENERIC_PINCONF
229 select AUXILIARY_BUS
230 default MACH_EYEQ5
231 help
232 Pin controller driver for the Mobileye EyeQ5 platform. It does both
233 pin config & pin muxing. It does not handle GPIO.
234
235 Pin muxing supports two functions for each pin: first is GPIO, second
236 is pin-dependent. Pin config is about bias & drive strength.
237
238config PINCTRL_GEMINI
239 bool
240 depends on ARCH_GEMINI
241 default ARCH_GEMINI
242 select PINMUX
243 select GENERIC_PINCONF
244 select MFD_SYSCON
245
246config PINCTRL_INGENIC
247 bool "Pinctrl driver for the Ingenic JZ47xx SoCs"
248 default MACH_INGENIC
249 depends on OF
250 depends on MIPS || COMPILE_TEST
251 select GENERIC_PINCONF
252 select GENERIC_PINCTRL_GROUPS
253 select GENERIC_PINMUX_FUNCTIONS
254 select GPIOLIB
255 select GPIOLIB_IRQCHIP
256 select REGMAP_MMIO
257
258config PINCTRL_K210
259 bool "Pinctrl driver for the Canaan Kendryte K210 SoC"
260 depends on RISCV && SOC_CANAAN_K210 && OF
261 select GENERIC_PINMUX_FUNCTIONS
262 select GENERIC_PINCONF
263 select GPIOLIB
264 select OF_GPIO
265 select REGMAP_MMIO
266 default SOC_CANAAN_K210
267 help
268 Add support for the Canaan Kendryte K210 RISC-V SOC Field
269 Programmable IO Array (FPIOA) controller.
270
271config PINCTRL_K230
272 bool "Pinctrl driver for the Canaan Kendryte K230 SoC"
273 depends on OF
274 depends on ARCH_CANAAN || COMPILE_TEST
275 select GENERIC_PINCTRL_GROUPS
276 select GENERIC_PINMUX_FUNCTIONS
277 select GENERIC_PINCONF
278 select REGMAP_MMIO
279 help
280 Add support for the Canaan Kendryte K230 RISC-V SOC pin controller.
281
282config PINCTRL_KEEMBAY
283 tristate "Pinctrl driver for Intel Keem Bay SoC"
284 depends on ARCH_KEEMBAY || (ARM64 && COMPILE_TEST)
285 depends on HAS_IOMEM
286 select PINMUX
287 select PINCONF
288 select GENERIC_PINCONF
289 select GENERIC_PINCTRL_GROUPS
290 select GENERIC_PINMUX_FUNCTIONS
291 select GPIOLIB
292 select GPIOLIB_IRQCHIP
293 select GPIO_GENERIC
294 help
295 This selects pin control driver for the Intel Keem Bay SoC.
296 It provides pin config functions such as pull-up, pull-down,
297 interrupt, drive strength, sec lock, Schmitt trigger, slew
298 rate control and direction control. This module will be
299 called as pinctrl-keembay.
300
301config PINCTRL_LANTIQ
302 bool
303 depends on LANTIQ
304 select PINMUX
305 select PINCONF
306
307config PINCTRL_FALCON
308 bool
309 depends on SOC_FALCON
310 depends on PINCTRL_LANTIQ
311
312config PINCTRL_LOONGSON2
313 tristate "Pinctrl driver for the Loongson-2 SoC"
314 depends on OF && (LOONGARCH || COMPILE_TEST)
315 select PINMUX
316 select GENERIC_PINCONF
317 help
318 This selects pin control driver for the Loongson-2 SoC. It
319 provides pin config functions multiplexing. GPIO pin pull-up,
320 pull-down functions are not supported. Say yes to enable
321 pinctrl for Loongson-2 SoC.
322
323config PINCTRL_XWAY
324 bool
325 depends on SOC_TYPE_XWAY
326 depends on PINCTRL_LANTIQ
327
328config PINCTRL_LPC18XX
329 bool "NXP LPC18XX/43XX SCU pinctrl driver"
330 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
331 default ARCH_LPC18XX
332 select PINMUX
333 select GENERIC_PINCONF
334 help
335 Pinctrl driver for NXP LPC18xx/43xx System Control Unit (SCU).
336
337config PINCTRL_MAX77620
338 tristate "MAX77620/MAX20024 Pincontrol support"
339 depends on MFD_MAX77620 && OF
340 select PINMUX
341 select GENERIC_PINCONF
342 help
343 Say Y here to enable Pin control support for Maxim MAX77620 PMIC.
344 This PMIC has 8 GPIO pins that work as GPIO as well as special
345 function in alternate mode. This driver also configure push-pull,
346 open drain, FPS slots etc.
347
348config PINCTRL_MCP23S08_I2C
349 tristate
350 select REGMAP_I2C
351
352config PINCTRL_MCP23S08_SPI
353 tristate
354 select REGMAP_SPI
355
356config PINCTRL_MCP23S08
357 tristate "Microchip MCP23xxx I/O expander"
358 depends on SPI_MASTER || I2C
359 select GPIOLIB
360 select GPIOLIB_IRQCHIP
361 select GENERIC_PINCONF
362 select PINCTRL_MCP23S08_I2C if I2C
363 select PINCTRL_MCP23S08_SPI if SPI_MASTER
364 help
365 SPI/I2C driver for Microchip MCP23S08 / MCP23S17 / MCP23S18 /
366 MCP23008 / MCP23017 / MCP23018 I/O expanders.
367 This provides a GPIO interface supporting inputs and outputs and a
368 corresponding interrupt-controller.
369
370config PINCTRL_MICROCHIP_SGPIO
371 tristate "Pinctrl driver for Microsemi/Microchip Serial GPIO"
372 depends on OF
373 depends on HAS_IOMEM
374 select GPIOLIB
375 select GPIOLIB_IRQCHIP
376 select GENERIC_PINCONF
377 select GENERIC_PINCTRL_GROUPS
378 select GENERIC_PINMUX_FUNCTIONS
379 select OF_GPIO
380 help
381 Support for the serial GPIO interface used on Microsemi and
382 Microchip SoCs. By using a serial interface, the SIO
383 controller significantly extends the number of available
384 GPIOs with a minimum number of additional pins on the
385 device. The primary purpose of the SIO controller is to
386 connect control signals from SFP modules and to act as an
387 LED controller.
388
389 If compiled as a module, the module name will be
390 pinctrl-microchip-sgpio.
391
392config PINCTRL_OCELOT
393 tristate "Pinctrl driver for the Microsemi Ocelot and Jaguar2 SoCs"
394 depends on OF
395 depends on HAS_IOMEM
396 select GPIOLIB
397 select GPIOLIB_IRQCHIP
398 select GENERIC_PINCONF
399 select GENERIC_PINCTRL_GROUPS
400 select GENERIC_PINMUX_FUNCTIONS
401 select OF_GPIO
402 select REGMAP_MMIO
403 help
404 Support for the internal GPIO interfaces on Microsemi Ocelot and
405 Jaguar2 SoCs.
406
407 If conpiled as a module, the module name will be pinctrl-ocelot.
408
409config PINCTRL_PALMAS
410 tristate "Pinctrl driver for the PALMAS Series MFD devices"
411 depends on OF && MFD_PALMAS
412 select PINMUX
413 select GENERIC_PINCONF
414 help
415 Palmas device supports the configuration of pins for different
416 functionality. This driver supports the pinmux, push-pull and
417 open drain configuration for the Palmas series devices like
418 TPS65913, TPS80036 etc.
419
420config PINCTRL_PEF2256
421 tristate "Lantiq PEF2256 (FALC56) pin controller driver"
422 depends on OF && FRAMER_PEF2256
423 select PINMUX
424 select PINCONF
425 select GENERIC_PINCONF
426 help
427 This option enables the pin controller support for the Lantiq PEF2256
428 framer, also known as FALC56.
429
430 If unsure, say N.
431
432 To compile this driver as a module, choose M here: the
433 module will be called pinctrl-pef2256.
434
435config PINCTRL_PIC32
436 bool "Microchip PIC32 pin controller driver"
437 depends on OF
438 depends on MACH_PIC32
439 select PINMUX
440 select GENERIC_PINCONF
441 select GPIOLIB_IRQCHIP
442 select OF_GPIO
443 help
444 This is the pin controller and gpio driver for Microchip PIC32
445 microcontrollers. This option is selected automatically when specific
446 machine and arch are selected to build.
447
448config PINCTRL_PIC32MZDA
449 def_bool y if PIC32MZDA
450 select PINCTRL_PIC32
451
452config PINCTRL_PISTACHIO
453 bool "IMG Pistachio SoC pinctrl driver"
454 depends on OF && (MIPS || COMPILE_TEST)
455 depends on GPIOLIB
456 select PINMUX
457 select GENERIC_PINCONF
458 select GPIOLIB_IRQCHIP
459 select OF_GPIO
460 help
461 This support pinctrl and GPIO driver for IMG Pistachio SoC.
462
463config PINCTRL_RK805
464 tristate "Pinctrl and GPIO driver for RK805 PMIC"
465 depends on MFD_RK8XX
466 select GPIOLIB
467 select PINMUX
468 select GENERIC_PINCONF
469 help
470 This selects the pinctrl driver for RK805.
471
472config PINCTRL_ROCKCHIP
473 tristate "Rockchip gpio and pinctrl driver"
474 depends on ARCH_ROCKCHIP || COMPILE_TEST
475 depends on OF
476 select GPIOLIB
477 select PINMUX
478 select GENERIC_PINCONF
479 select GENERIC_IRQ_CHIP
480 select MFD_SYSCON
481 select OF_GPIO
482 default ARCH_ROCKCHIP
483 help
484 This support pinctrl and GPIO driver for Rockchip SoCs.
485
486config PINCTRL_SCMI
487 tristate "Pinctrl driver using SCMI protocol interface"
488 depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
489 select PINMUX
490 select GENERIC_PINCONF
491 help
492 This driver provides support for pinctrl which is controlled
493 by firmware that implements the SCMI interface.
494 It uses SCMI Message Protocol to interact with the
495 firmware providing all the pinctrl controls.
496
497config PINCTRL_SINGLE
498 tristate "One-register-per-pin type device tree based pinctrl driver"
499 depends on OF
500 depends on HAS_IOMEM
501 select GENERIC_PINCTRL_GROUPS
502 select GENERIC_PINMUX_FUNCTIONS
503 select GENERIC_PINCONF
504 help
505 This selects the device tree based generic pinctrl driver.
506
507config PINCTRL_ST
508 bool
509 depends on OF
510 select PINMUX
511 select PINCONF
512 select GPIOLIB_IRQCHIP
513
514config PINCTRL_STMFX
515 tristate "STMicroelectronics STMFX GPIO expander pinctrl driver"
516 depends on I2C
517 depends on OF_GPIO
518 select GENERIC_PINCONF
519 select GPIOLIB_IRQCHIP
520 select MFD_STMFX
521 help
522 Driver for STMicroelectronics Multi-Function eXpander (STMFX)
523 GPIO expander.
524 This provides a GPIO interface supporting inputs and outputs,
525 and configuring push-pull, open-drain, and can also be used as
526 interrupt-controller.
527
528config PINCTRL_SX150X
529 bool "Semtech SX150x I2C GPIO expander pinctrl driver"
530 depends on I2C=y
531 select PINMUX
532 select PINCONF
533 select GENERIC_PINCONF
534 select GPIOLIB
535 select GPIOLIB_IRQCHIP
536 select REGMAP
537 help
538 Say Y here to provide support for Semtech SX150x-series I2C
539 GPIO expanders as pinctrl module.
540 Compatible models include:
541 - 8 bits: sx1508q, sx1502q
542 - 16 bits: sx1509q, sx1506q
543
544config PINCTRL_TB10X
545 bool
546 depends on OF && ARC_PLAT_TB10X
547 select GPIOLIB
548
549config PINCTRL_TPS6594
550 tristate "Pinctrl and GPIO driver for TI TPS6594 PMIC"
551 depends on OF && MFD_TPS6594
552 default MFD_TPS6594
553 select PINMUX
554 select GPIOLIB
555 select REGMAP
556 select GPIO_REGMAP
557 select GENERIC_PINCONF
558 help
559 Say Y to select the pinmuxing and GPIOs driver for the TPS6594
560 PMICs chip family.
561
562 This driver can also be built as a module
563 called tps6594-pinctrl.
564
565config PINCTRL_TH1520
566 tristate "Pinctrl driver for the T-Head TH1520 SoC"
567 depends on ARCH_THEAD || COMPILE_TEST
568 depends on OF
569 select GENERIC_PINMUX_FUNCTIONS
570 select GENERIC_PINCONF
571 select PINMUX
572 help
573 This is the driver for the pin controller blocks on the
574 T-Head TH1520 SoC.
575
576 This driver is needed for RISC-V development boards like
577 the BeagleV Ahead and the LicheePi 4A.
578
579config PINCTRL_ZYNQ
580 bool "Pinctrl driver for Xilinx Zynq"
581 depends on ARCH_ZYNQ
582 select PINMUX
583 select GENERIC_PINCONF
584 help
585 This selects the pinctrl driver for Xilinx Zynq.
586
587config PINCTRL_ZYNQMP
588 tristate "Pinctrl driver for Xilinx ZynqMP"
589 depends on ZYNQMP_FIRMWARE
590 select PINMUX
591 select GENERIC_PINCONF
592 default ZYNQMP_FIRMWARE
593 help
594 This selects the pinctrl driver for Xilinx ZynqMP platform.
595 This driver will query the pin information from the firmware
596 and allow configuring the pins.
597 Configuration can include the mux function to select on those
598 pin(s)/group(s), and various pin configuration parameters
599 such as pull-up, slew rate, etc.
600 This driver can also be built as a module. If so, the module
601 will be called pinctrl-zynqmp.
602
603config PINCTRL_MLXBF3
604 tristate "NVIDIA BlueField-3 SoC Pinctrl driver"
605 depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST
606 select PINMUX
607 select GPIOLIB
608 select GPIOLIB_IRQCHIP
609 help
610 Say Y to select the pinctrl driver for BlueField-3 SoCs.
611 This pin controller allows selecting the mux function for
612 each pin. This driver can also be built as a module called
613 pinctrl-mlxbf3.
614
615source "drivers/pinctrl/actions/Kconfig"
616source "drivers/pinctrl/aspeed/Kconfig"
617source "drivers/pinctrl/bcm/Kconfig"
618source "drivers/pinctrl/berlin/Kconfig"
619source "drivers/pinctrl/cirrus/Kconfig"
620source "drivers/pinctrl/freescale/Kconfig"
621source "drivers/pinctrl/intel/Kconfig"
622source "drivers/pinctrl/mediatek/Kconfig"
623source "drivers/pinctrl/meson/Kconfig"
624source "drivers/pinctrl/mvebu/Kconfig"
625source "drivers/pinctrl/nomadik/Kconfig"
626source "drivers/pinctrl/nuvoton/Kconfig"
627source "drivers/pinctrl/nxp/Kconfig"
628source "drivers/pinctrl/pxa/Kconfig"
629source "drivers/pinctrl/qcom/Kconfig"
630source "drivers/pinctrl/realtek/Kconfig"
631source "drivers/pinctrl/renesas/Kconfig"
632source "drivers/pinctrl/samsung/Kconfig"
633source "drivers/pinctrl/sophgo/Kconfig"
634source "drivers/pinctrl/spacemit/Kconfig"
635source "drivers/pinctrl/spear/Kconfig"
636source "drivers/pinctrl/sprd/Kconfig"
637source "drivers/pinctrl/starfive/Kconfig"
638source "drivers/pinctrl/stm32/Kconfig"
639source "drivers/pinctrl/sunplus/Kconfig"
640source "drivers/pinctrl/sunxi/Kconfig"
641source "drivers/pinctrl/tegra/Kconfig"
642source "drivers/pinctrl/ti/Kconfig"
643source "drivers/pinctrl/uniphier/Kconfig"
644source "drivers/pinctrl/visconti/Kconfig"
645source "drivers/pinctrl/vt8500/Kconfig"
646
647endif