tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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_ARTPEC6
35 bool "Axis ARTPEC-6 pin controller driver"
36 depends on MACH_ARTPEC6
37 select PINMUX
38 select GENERIC_PINCONF
39 help
40 This is the driver for the Axis ARTPEC-6 pin controller. This driver
41 supports pin function multiplexing as well as pin bias and drive
42 strength configuration. Device tree integration instructions can be
43 found in Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
44
45config PINCTRL_AS3722
46 tristate "Pinctrl and GPIO driver for ams AS3722 PMIC"
47 depends on MFD_AS3722 && GPIOLIB
48 select PINMUX
49 select GENERIC_PINCONF
50 help
51 AS3722 device supports the configuration of GPIO pins for different
52 functionality. This driver supports the pinmux, push-pull and
53 open drain configuration for the GPIO pins of AS3722 devices. It also
54 supports the GPIO functionality through gpiolib.
55
56config PINCTRL_AXP209
57 tristate "X-Powers AXP209 PMIC pinctrl and GPIO Support"
58 depends on MFD_AXP20X
59 depends on OF
60 select PINMUX
61 select GENERIC_PINCONF
62 select GPIOLIB
63 help
64 AXP PMICs provides multiple GPIOs that can be muxed for different
65 functions. This driver bundles a pinctrl driver to select the function
66 muxing and a GPIO driver to handle the GPIO when the GPIO function is
67 selected.
68 Say yes to enable pinctrl and GPIO support for the AXP209 PMIC
69
70config PINCTRL_AT91
71 bool "AT91 pinctrl driver"
72 depends on OF
73 depends on ARCH_AT91
74 select PINMUX
75 select PINCONF
76 select GPIOLIB
77 select OF_GPIO
78 select GPIOLIB_IRQCHIP
79 help
80 Say Y here to enable the at91 pinctrl driver
81
82config PINCTRL_AT91PIO4
83 bool "AT91 PIO4 pinctrl driver"
84 depends on OF
85 depends on HAS_IOMEM
86 depends on ARCH_AT91 || COMPILE_TEST
87 select PINMUX
88 select GENERIC_PINCONF
89 select GPIOLIB
90 select GPIOLIB_IRQCHIP
91 select OF_GPIO
92 help
93 Say Y here to enable the at91 pinctrl/gpio driver for Atmel PIO4
94 controller available on sama5d2 SoC.
95
96config PINCTRL_AMD
97 tristate "AMD GPIO pin control"
98 depends on HAS_IOMEM
99 depends on ACPI || COMPILE_TEST
100 select GPIOLIB
101 select GPIOLIB_IRQCHIP
102 select PINMUX
103 select PINCONF
104 select GENERIC_PINCONF
105 help
106 driver for memory mapped GPIO functionality on AMD platforms
107 (x86 or arm).Most pins are usually muxed to some other
108 functionality by firmware,so only a small amount is available
109 for gpio use.
110
111 Requires ACPI/FDT device enumeration code to set up a platform
112 device.
113
114config PINCTRL_BM1880
115 bool "Bitmain BM1880 Pinctrl driver"
116 depends on OF && (ARCH_BITMAIN || COMPILE_TEST)
117 default ARCH_BITMAIN
118 select PINMUX
119 help
120 Pinctrl driver for Bitmain BM1880 SoC.
121
122config PINCTRL_DA850_PUPD
123 tristate "TI DA850/OMAP-L138/AM18XX pullup/pulldown groups"
124 depends on OF && (ARCH_DAVINCI_DA850 || COMPILE_TEST)
125 select PINCONF
126 select GENERIC_PINCONF
127 help
128 Driver for TI DA850/OMAP-L138/AM18XX pinconf. Used to control
129 pullup/pulldown pin groups.
130
131config PINCTRL_DA9062
132 tristate "Dialog Semiconductor DA9062 PMIC pinctrl and GPIO Support"
133 depends on MFD_DA9062
134 select GPIOLIB
135 help
136 The Dialog DA9062 PMIC provides multiple GPIOs that can be muxed for
137 different functions. This driver bundles a pinctrl driver to select the
138 function muxing and a GPIO driver to handle the GPIO when the GPIO
139 function is selected.
140
141 Say yes to enable pinctrl and GPIO support for the DA9062 PMIC.
142
143config PINCTRL_DIGICOLOR
144 bool
145 depends on OF && (ARCH_DIGICOLOR || COMPILE_TEST)
146 select PINMUX
147 select GENERIC_PINCONF
148
149config PINCTRL_LANTIQ
150 bool
151 depends on LANTIQ
152 select PINMUX
153 select PINCONF
154
155config PINCTRL_LPC18XX
156 bool "NXP LPC18XX/43XX SCU pinctrl driver"
157 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
158 default ARCH_LPC18XX
159 select PINMUX
160 select GENERIC_PINCONF
161 help
162 Pinctrl driver for NXP LPC18xx/43xx System Control Unit (SCU).
163
164config PINCTRL_FALCON
165 bool
166 depends on SOC_FALCON
167 depends on PINCTRL_LANTIQ
168
169config PINCTRL_GEMINI
170 bool
171 depends on ARCH_GEMINI
172 default ARCH_GEMINI
173 select PINMUX
174 select GENERIC_PINCONF
175 select MFD_SYSCON
176
177config PINCTRL_MCP23S08_I2C
178 tristate
179 select REGMAP_I2C
180
181config PINCTRL_MCP23S08_SPI
182 tristate
183 select REGMAP_SPI
184
185config PINCTRL_MCP23S08
186 tristate "Microchip MCP23xxx I/O expander"
187 depends on SPI_MASTER || I2C
188 select GPIOLIB
189 select GPIOLIB_IRQCHIP
190 select GENERIC_PINCONF
191 select PINCTRL_MCP23S08_I2C if I2C
192 select PINCTRL_MCP23S08_SPI if SPI_MASTER
193 help
194 SPI/I2C driver for Microchip MCP23S08 / MCP23S17 / MCP23S18 /
195 MCP23008 / MCP23017 / MCP23018 I/O expanders.
196 This provides a GPIO interface supporting inputs and outputs and a
197 corresponding interrupt-controller.
198
199config PINCTRL_OXNAS
200 bool
201 depends on OF
202 select PINMUX
203 select PINCONF
204 select GENERIC_PINCONF
205 select GPIOLIB
206 select OF_GPIO
207 select GPIOLIB_IRQCHIP
208 select MFD_SYSCON
209
210config PINCTRL_ROCKCHIP
211 bool
212 depends on OF
213 select PINMUX
214 select GENERIC_PINCONF
215 select GENERIC_IRQ_CHIP
216 select MFD_SYSCON
217 select OF_GPIO
218
219config PINCTRL_SINGLE
220 tristate "One-register-per-pin type device tree based pinctrl driver"
221 depends on OF
222 depends on HAS_IOMEM
223 select GENERIC_PINCTRL_GROUPS
224 select GENERIC_PINMUX_FUNCTIONS
225 select GENERIC_PINCONF
226 help
227 This selects the device tree based generic pinctrl driver.
228
229config PINCTRL_SX150X
230 bool "Semtech SX150x I2C GPIO expander pinctrl driver"
231 depends on I2C=y
232 select PINMUX
233 select PINCONF
234 select GENERIC_PINCONF
235 select GPIOLIB
236 select GPIOLIB_IRQCHIP
237 select REGMAP
238 help
239 Say yes here to provide support for Semtech SX150x-series I2C
240 GPIO expanders as pinctrl module.
241 Compatible models include:
242 - 8 bits: sx1508q, sx1502q
243 - 16 bits: sx1509q, sx1506q
244
245config PINCTRL_PISTACHIO
246 def_bool y if MACH_PISTACHIO
247 depends on GPIOLIB
248 select PINMUX
249 select GENERIC_PINCONF
250 select GPIOLIB_IRQCHIP
251 select OF_GPIO
252
253config PINCTRL_ST
254 bool
255 depends on OF
256 select PINMUX
257 select PINCONF
258 select GPIOLIB_IRQCHIP
259
260config PINCTRL_STMFX
261 tristate "STMicroelectronics STMFX GPIO expander pinctrl driver"
262 depends on I2C
263 depends on OF_GPIO
264 select GENERIC_PINCONF
265 select GPIOLIB_IRQCHIP
266 select MFD_STMFX
267 help
268 Driver for STMicroelectronics Multi-Function eXpander (STMFX)
269 GPIO expander.
270 This provides a GPIO interface supporting inputs and outputs,
271 and configuring push-pull, open-drain, and can also be used as
272 interrupt-controller.
273
274config PINCTRL_MAX77620
275 tristate "MAX77620/MAX20024 Pincontrol support"
276 depends on MFD_MAX77620 && OF
277 select PINMUX
278 select GENERIC_PINCONF
279 help
280 Say Yes here to enable Pin control support for Maxim PMIC MAX77620.
281 This PMIC has 8 GPIO pins that work as GPIO as well as special
282 function in alternate mode. This driver also configure push-pull,
283 open drain, FPS slots etc.
284
285config PINCTRL_PALMAS
286 tristate "Pinctrl driver for the PALMAS Series MFD devices"
287 depends on OF && MFD_PALMAS
288 select PINMUX
289 select GENERIC_PINCONF
290 help
291 Palmas device supports the configuration of pins for different
292 functionality. This driver supports the pinmux, push-pull and
293 open drain configuration for the Palmas series devices like
294 TPS65913, TPS80036 etc.
295
296config PINCTRL_PIC32
297 bool "Microchip PIC32 pin controller driver"
298 depends on OF
299 depends on MACH_PIC32
300 select PINMUX
301 select GENERIC_PINCONF
302 select GPIOLIB_IRQCHIP
303 select OF_GPIO
304 help
305 This is the pin controller and gpio driver for Microchip PIC32
306 microcontrollers. This option is selected automatically when specific
307 machine and arch are selected to build.
308
309config PINCTRL_PIC32MZDA
310 def_bool y if PIC32MZDA
311 select PINCTRL_PIC32
312
313config PINCTRL_ZYNQ
314 bool "Pinctrl driver for Xilinx Zynq"
315 depends on ARCH_ZYNQ
316 select PINMUX
317 select GENERIC_PINCONF
318 help
319 This selects the pinctrl driver for Xilinx Zynq.
320
321config PINCTRL_INGENIC
322 bool "Pinctrl driver for the Ingenic JZ47xx SoCs"
323 default MACH_INGENIC
324 depends on OF
325 depends on MIPS || COMPILE_TEST
326 select GENERIC_PINCONF
327 select GENERIC_PINCTRL_GROUPS
328 select GENERIC_PINMUX_FUNCTIONS
329 select GPIOLIB
330 select GPIOLIB_IRQCHIP
331 select REGMAP_MMIO
332
333config PINCTRL_RK805
334 tristate "Pinctrl and GPIO driver for RK805 PMIC"
335 depends on MFD_RK808
336 select GPIOLIB
337 select PINMUX
338 select GENERIC_PINCONF
339 help
340 This selects the pinctrl driver for RK805.
341
342config PINCTRL_OCELOT
343 bool "Pinctrl driver for the Microsemi Ocelot and Jaguar2 SoCs"
344 depends on OF
345 depends on HAS_IOMEM
346 select GPIOLIB
347 select GPIOLIB_IRQCHIP
348 select GENERIC_PINCONF
349 select GENERIC_PINCTRL_GROUPS
350 select GENERIC_PINMUX_FUNCTIONS
351 select OF_GPIO
352 select REGMAP_MMIO
353
354config PINCTRL_MICROCHIP_SGPIO
355 bool "Pinctrl driver for Microsemi/Microchip Serial GPIO"
356 depends on OF
357 depends on HAS_IOMEM
358 select GPIOLIB
359 select GPIOLIB_IRQCHIP
360 select GENERIC_PINCONF
361 select GENERIC_PINCTRL_GROUPS
362 select GENERIC_PINMUX_FUNCTIONS
363 select OF_GPIO
364 help
365 Support for the serial GPIO interface used on Microsemi and
366 Microchip SoC's. By using a serial interface, the SIO
367 controller significantly extends the number of available
368 GPIOs with a minimum number of additional pins on the
369 device. The primary purpose of the SIO controller is to
370 connect control signals from SFP modules and to act as an
371 LED controller.
372
373config PINCTRL_K210
374 bool "Pinctrl driver for the Canaan Kendryte K210 SoC"
375 depends on RISCV && SOC_CANAAN && OF
376 select GENERIC_PINMUX_FUNCTIONS
377 select GENERIC_PINCONF
378 select GPIOLIB
379 select OF_GPIO
380 select REGMAP_MMIO
381 default SOC_CANAAN
382 help
383 Add support for the Canaan Kendryte K210 RISC-V SOC Field
384 Programmable IO Array (FPIOA) controller.
385
386source "drivers/pinctrl/actions/Kconfig"
387source "drivers/pinctrl/aspeed/Kconfig"
388source "drivers/pinctrl/bcm/Kconfig"
389source "drivers/pinctrl/berlin/Kconfig"
390source "drivers/pinctrl/freescale/Kconfig"
391source "drivers/pinctrl/intel/Kconfig"
392source "drivers/pinctrl/mvebu/Kconfig"
393source "drivers/pinctrl/nomadik/Kconfig"
394source "drivers/pinctrl/nuvoton/Kconfig"
395source "drivers/pinctrl/pxa/Kconfig"
396source "drivers/pinctrl/qcom/Kconfig"
397source "drivers/pinctrl/ralink/Kconfig"
398source "drivers/pinctrl/renesas/Kconfig"
399source "drivers/pinctrl/samsung/Kconfig"
400source "drivers/pinctrl/spear/Kconfig"
401source "drivers/pinctrl/sprd/Kconfig"
402source "drivers/pinctrl/stm32/Kconfig"
403source "drivers/pinctrl/sunxi/Kconfig"
404source "drivers/pinctrl/tegra/Kconfig"
405source "drivers/pinctrl/ti/Kconfig"
406source "drivers/pinctrl/uniphier/Kconfig"
407source "drivers/pinctrl/vt8500/Kconfig"
408source "drivers/pinctrl/mediatek/Kconfig"
409source "drivers/pinctrl/meson/Kconfig"
410source "drivers/pinctrl/cirrus/Kconfig"
411source "drivers/pinctrl/visconti/Kconfig"
412
413config PINCTRL_XWAY
414 bool
415 depends on SOC_TYPE_XWAY
416 depends on PINCTRL_LANTIQ
417
418config PINCTRL_TB10X
419 bool
420 depends on OF && ARC_PLAT_TB10X
421 select GPIOLIB
422
423config PINCTRL_EQUILIBRIUM
424 tristate "Generic pinctrl and GPIO driver for Intel Lightning Mountain SoC"
425 depends on OF && HAS_IOMEM
426 depends on X86 || COMPILE_TEST
427 select PINMUX
428 select PINCONF
429 select GPIOLIB
430 select GPIO_GENERIC
431 select GPIOLIB_IRQCHIP
432 select GENERIC_PINCONF
433 select GENERIC_PINCTRL_GROUPS
434 select GENERIC_PINMUX_FUNCTIONS
435
436 help
437 Equilibrium pinctrl driver is a pinctrl & GPIO driver for Intel Lightning
438 Mountain network processor SoC that supports both the linux GPIO and pin
439 control frameworks. It provides interfaces to setup pinmux, assign desired
440 pin functions, configure GPIO attributes for LGM SoC pins. Pinmux and
441 pinconf settings are retrieved from device tree.
442
443endif