Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
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_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_XWAY
262 bool
263 depends on SOC_TYPE_XWAY
264 depends on PINCTRL_LANTIQ
265
266config PINCTRL_LPC18XX
267 bool "NXP LPC18XX/43XX SCU pinctrl driver"
268 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
269 default ARCH_LPC18XX
270 select PINMUX
271 select GENERIC_PINCONF
272 help
273 Pinctrl driver for NXP LPC18xx/43xx System Control Unit (SCU).
274
275config PINCTRL_MAX77620
276 tristate "MAX77620/MAX20024 Pincontrol support"
277 depends on MFD_MAX77620 && OF
278 select PINMUX
279 select GENERIC_PINCONF
280 help
281 Say Y here to enable Pin control support for Maxim MAX77620 PMIC.
282 This PMIC has 8 GPIO pins that work as GPIO as well as special
283 function in alternate mode. This driver also configure push-pull,
284 open drain, FPS slots etc.
285
286config PINCTRL_MCP23S08_I2C
287 tristate
288 select REGMAP_I2C
289
290config PINCTRL_MCP23S08_SPI
291 tristate
292 select REGMAP_SPI
293
294config PINCTRL_MCP23S08
295 tristate "Microchip MCP23xxx I/O expander"
296 depends on SPI_MASTER || I2C
297 select GPIOLIB
298 select GPIOLIB_IRQCHIP
299 select GENERIC_PINCONF
300 select PINCTRL_MCP23S08_I2C if I2C
301 select PINCTRL_MCP23S08_SPI if SPI_MASTER
302 help
303 SPI/I2C driver for Microchip MCP23S08 / MCP23S17 / MCP23S18 /
304 MCP23008 / MCP23017 / MCP23018 I/O expanders.
305 This provides a GPIO interface supporting inputs and outputs and a
306 corresponding interrupt-controller.
307
308config PINCTRL_MICROCHIP_SGPIO
309 tristate "Pinctrl driver for Microsemi/Microchip Serial GPIO"
310 depends on OF
311 depends on HAS_IOMEM
312 select GPIOLIB
313 select GPIOLIB_IRQCHIP
314 select GENERIC_PINCONF
315 select GENERIC_PINCTRL_GROUPS
316 select GENERIC_PINMUX_FUNCTIONS
317 select OF_GPIO
318 help
319 Support for the serial GPIO interface used on Microsemi and
320 Microchip SoCs. By using a serial interface, the SIO
321 controller significantly extends the number of available
322 GPIOs with a minimum number of additional pins on the
323 device. The primary purpose of the SIO controller is to
324 connect control signals from SFP modules and to act as an
325 LED controller.
326
327 If compiled as a module, the module name will be
328 pinctrl-microchip-sgpio.
329
330config PINCTRL_OCELOT
331 tristate "Pinctrl driver for the Microsemi Ocelot and Jaguar2 SoCs"
332 depends on OF
333 depends on HAS_IOMEM
334 select GPIOLIB
335 select GPIOLIB_IRQCHIP
336 select GENERIC_PINCONF
337 select GENERIC_PINCTRL_GROUPS
338 select GENERIC_PINMUX_FUNCTIONS
339 select OF_GPIO
340 select REGMAP_MMIO
341 help
342 Support for the internal GPIO interfaces on Microsemi Ocelot and
343 Jaguar2 SoCs.
344
345 If conpiled as a module, the module name will be pinctrl-ocelot.
346
347config PINCTRL_OXNAS
348 bool
349 depends on OF
350 select PINMUX
351 select PINCONF
352 select GENERIC_PINCONF
353 select GPIOLIB
354 select OF_GPIO
355 select GPIOLIB_IRQCHIP
356 select MFD_SYSCON
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_PIC32
370 bool "Microchip PIC32 pin controller driver"
371 depends on OF
372 depends on MACH_PIC32
373 select PINMUX
374 select GENERIC_PINCONF
375 select GPIOLIB_IRQCHIP
376 select OF_GPIO
377 help
378 This is the pin controller and gpio driver for Microchip PIC32
379 microcontrollers. This option is selected automatically when specific
380 machine and arch are selected to build.
381
382config PINCTRL_PIC32MZDA
383 def_bool y if PIC32MZDA
384 select PINCTRL_PIC32
385
386config PINCTRL_PISTACHIO
387 bool "IMG Pistachio SoC pinctrl driver"
388 depends on OF && (MIPS || COMPILE_TEST)
389 depends on GPIOLIB
390 select PINMUX
391 select GENERIC_PINCONF
392 select GPIOLIB_IRQCHIP
393 select OF_GPIO
394 help
395 This support pinctrl and GPIO driver for IMG Pistachio SoC.
396
397config PINCTRL_RK805
398 tristate "Pinctrl and GPIO driver for RK805 PMIC"
399 depends on MFD_RK808
400 select GPIOLIB
401 select PINMUX
402 select GENERIC_PINCONF
403 help
404 This selects the pinctrl driver for RK805.
405
406config PINCTRL_ROCKCHIP
407 tristate "Rockchip gpio and pinctrl driver"
408 depends on ARCH_ROCKCHIP || COMPILE_TEST
409 depends on OF
410 select GPIOLIB
411 select PINMUX
412 select GENERIC_PINCONF
413 select GENERIC_IRQ_CHIP
414 select MFD_SYSCON
415 select OF_GPIO
416 default ARCH_ROCKCHIP
417 help
418 This support pinctrl and GPIO driver for Rockchip SoCs.
419
420config PINCTRL_SINGLE
421 tristate "One-register-per-pin type device tree based pinctrl driver"
422 depends on OF
423 depends on HAS_IOMEM
424 select GENERIC_PINCTRL_GROUPS
425 select GENERIC_PINMUX_FUNCTIONS
426 select GENERIC_PINCONF
427 help
428 This selects the device tree based generic pinctrl driver.
429
430config PINCTRL_ST
431 bool
432 depends on OF
433 select PINMUX
434 select PINCONF
435 select GPIOLIB_IRQCHIP
436
437config PINCTRL_STMFX
438 tristate "STMicroelectronics STMFX GPIO expander pinctrl driver"
439 depends on I2C
440 depends on OF_GPIO
441 select GENERIC_PINCONF
442 select GPIOLIB_IRQCHIP
443 select MFD_STMFX
444 help
445 Driver for STMicroelectronics Multi-Function eXpander (STMFX)
446 GPIO expander.
447 This provides a GPIO interface supporting inputs and outputs,
448 and configuring push-pull, open-drain, and can also be used as
449 interrupt-controller.
450
451config PINCTRL_SX150X
452 bool "Semtech SX150x I2C GPIO expander pinctrl driver"
453 depends on I2C=y
454 select PINMUX
455 select PINCONF
456 select GENERIC_PINCONF
457 select GPIOLIB
458 select GPIOLIB_IRQCHIP
459 select REGMAP
460 help
461 Say Y here to provide support for Semtech SX150x-series I2C
462 GPIO expanders as pinctrl module.
463 Compatible models include:
464 - 8 bits: sx1508q, sx1502q
465 - 16 bits: sx1509q, sx1506q
466
467config PINCTRL_TB10X
468 bool
469 depends on OF && ARC_PLAT_TB10X
470 select GPIOLIB
471
472config PINCTRL_THUNDERBAY
473 tristate "Generic pinctrl and GPIO driver for Intel Thunder Bay SoC"
474 depends on ARCH_THUNDERBAY || (ARM64 && COMPILE_TEST)
475 depends on HAS_IOMEM
476 select PINMUX
477 select PINCONF
478 select GENERIC_PINCONF
479 select GENERIC_PINCTRL_GROUPS
480 select GENERIC_PINMUX_FUNCTIONS
481 select GPIOLIB
482 select GPIOLIB_IRQCHIP
483 select GPIO_GENERIC
484 help
485 This selects pin control driver for the Intel Thunder Bay SoC.
486 It provides pin config functions such as pull-up, pull-down,
487 interrupt, drive strength, sec lock, Schmitt trigger, slew
488 rate control and direction control. This module will be
489 called as pinctrl-thunderbay.
490
491config PINCTRL_ZYNQ
492 bool "Pinctrl driver for Xilinx Zynq"
493 depends on ARCH_ZYNQ
494 select PINMUX
495 select GENERIC_PINCONF
496 help
497 This selects the pinctrl driver for Xilinx Zynq.
498
499config PINCTRL_ZYNQMP
500 tristate "Pinctrl driver for Xilinx ZynqMP"
501 depends on ZYNQMP_FIRMWARE
502 select PINMUX
503 select GENERIC_PINCONF
504 default ZYNQMP_FIRMWARE
505 help
506 This selects the pinctrl driver for Xilinx ZynqMP platform.
507 This driver will query the pin information from the firmware
508 and allow configuring the pins.
509 Configuration can include the mux function to select on those
510 pin(s)/group(s), and various pin configuration parameters
511 such as pull-up, slew rate, etc.
512 This driver can also be built as a module. If so, the module
513 will be called pinctrl-zynqmp.
514
515source "drivers/pinctrl/actions/Kconfig"
516source "drivers/pinctrl/aspeed/Kconfig"
517source "drivers/pinctrl/bcm/Kconfig"
518source "drivers/pinctrl/berlin/Kconfig"
519source "drivers/pinctrl/cirrus/Kconfig"
520source "drivers/pinctrl/freescale/Kconfig"
521source "drivers/pinctrl/intel/Kconfig"
522source "drivers/pinctrl/mediatek/Kconfig"
523source "drivers/pinctrl/meson/Kconfig"
524source "drivers/pinctrl/mvebu/Kconfig"
525source "drivers/pinctrl/nomadik/Kconfig"
526source "drivers/pinctrl/nuvoton/Kconfig"
527source "drivers/pinctrl/pxa/Kconfig"
528source "drivers/pinctrl/qcom/Kconfig"
529source "drivers/pinctrl/ralink/Kconfig"
530source "drivers/pinctrl/renesas/Kconfig"
531source "drivers/pinctrl/samsung/Kconfig"
532source "drivers/pinctrl/spear/Kconfig"
533source "drivers/pinctrl/sprd/Kconfig"
534source "drivers/pinctrl/starfive/Kconfig"
535source "drivers/pinctrl/stm32/Kconfig"
536source "drivers/pinctrl/sunplus/Kconfig"
537source "drivers/pinctrl/sunxi/Kconfig"
538source "drivers/pinctrl/tegra/Kconfig"
539source "drivers/pinctrl/ti/Kconfig"
540source "drivers/pinctrl/uniphier/Kconfig"
541source "drivers/pinctrl/visconti/Kconfig"
542source "drivers/pinctrl/vt8500/Kconfig"
543
544endif