Commit | Line | Data |
---|---|---|
ec8f24b7 | 1 | # SPDX-License-Identifier: GPL-2.0-only |
a9c5fff5 | 2 | # |
e849dc04 | 3 | # GPIO infrastructure and drivers |
a9c5fff5 DB |
4 | # |
5 | ||
7563bbf8 MB |
6 | config ARCH_HAVE_CUSTOM_GPIO_H |
7 | bool | |
8 | help | |
9 | Selecting this config option from the architecture Kconfig allows | |
10 | the architecture to provide a custom asm/gpio.h implementation | |
11 | overriding the default implementations. New uses of this are | |
12 | strongly discouraged. | |
13 | ||
7444a72e MB |
14 | menuconfig GPIOLIB |
15 | bool "GPIO Support" | |
7444a72e MB |
16 | help |
17 | This enables GPIO support through the generic GPIO library. | |
dd1695a2 | 18 | You only need to enable this if you also want to enable |
e849dc04 | 19 | one or more of the GPIO drivers below. |
7444a72e MB |
20 | |
21 | If unsure, say N. | |
a9c5fff5 | 22 | |
7444a72e | 23 | if GPIOLIB |
a9c5fff5 | 24 | |
3027743f LA |
25 | config GPIOLIB_FASTPATH_LIMIT |
26 | int "Maximum number of GPIOs for fast path" | |
27 | range 32 512 | |
28 | default 512 | |
29 | help | |
c42e34c9 EWI |
30 | This adjusts the point at which certain APIs will switch from |
31 | using a stack allocated buffer to a dynamically allocated buffer. | |
3027743f | 32 | |
c42e34c9 EWI |
33 | You shouldn't need to change this unless you really need to |
34 | optimize either stack space or performance. Change this carefully | |
35 | since setting an incorrect value could cause stack corruption. | |
3027743f | 36 | |
f141ed65 GL |
37 | config OF_GPIO |
38 | def_bool y | |
92c74bce | 39 | depends on OF |
2527ecc9 | 40 | depends on HAS_IOMEM |
f141ed65 | 41 | |
e29482e8 MN |
42 | config GPIO_ACPI |
43 | def_bool y | |
44 | depends on ACPI | |
45 | ||
14250520 | 46 | config GPIOLIB_IRQCHIP |
fc346270 | 47 | select IRQ_DOMAIN |
14250520 LW |
48 | bool |
49 | ||
a9c5fff5 DB |
50 | config DEBUG_GPIO |
51 | bool "Debug GPIO calls" | |
52 | depends on DEBUG_KERNEL | |
53 | help | |
54 | Say Y here to add some extra checks and diagnostics to GPIO calls. | |
692105b8 ML |
55 | These checks help ensure that GPIOs have been properly initialized |
56 | before they are used, and that sleeping calls are not made from | |
57 | non-sleeping contexts. They can make bitbanged serial protocols | |
a9c5fff5 DB |
58 | slower. The diagnostics help catch the type of setup errors |
59 | that are most common when setting up new platforms or boards. | |
60 | ||
d8f388d8 | 61 | config GPIO_SYSFS |
3b4feb21 | 62 | bool "/sys/class/gpio/... (sysfs interface)" if EXPERT |
4c0ea233 | 63 | depends on SYSFS |
3b4feb21 | 64 | select GPIO_CDEV # We need to encourage the new ABI |
d8f388d8 | 65 | help |
db9477f8 | 66 | Say Y here to add the legacy sysfs interface for GPIOs. |
d8f388d8 | 67 | |
db9477f8 LW |
68 | This ABI is deprecated. If you want to use GPIO from userspace, |
69 | use the character device /dev/gpiochipN with the appropriate | |
d143493c KG |
70 | ioctl() operations instead. |
71 | ||
72 | config GPIO_CDEV | |
73 | bool | |
74 | prompt "Character device (/dev/gpiochipN) support" if EXPERT | |
75 | default y | |
76 | help | |
77 | Say Y here to add the character device /dev/gpiochipN interface | |
78 | for GPIOs. The character device allows userspace to control GPIOs | |
79 | using ioctl() operations. | |
80 | ||
81 | Only say N if you are sure that the GPIO character device is not | |
82 | required. | |
83 | ||
84 | If unsure, say Y. | |
d8f388d8 | 85 | |
957ebb61 KG |
86 | config GPIO_CDEV_V1 |
87 | bool "Support GPIO ABI Version 1" | |
88 | default y | |
89 | depends on GPIO_CDEV | |
90 | help | |
91 | Say Y here to support version 1 of the GPIO CDEV ABI. | |
92 | ||
93 | This ABI version is deprecated. | |
94 | Please use the latest ABI for new developments. | |
95 | ||
96 | If unsure, say Y. | |
97 | ||
c103de24 | 98 | config GPIO_GENERIC |
3085a4a4 | 99 | depends on HAS_IOMEM # Only for IOMEM drivers |
c103de24 GL |
100 | tristate |
101 | ||
ebe36319 | 102 | config GPIO_REGMAP |
d49765b5 | 103 | select REGMAP |
ebe36319 MW |
104 | tristate |
105 | ||
e849dc04 | 106 | # put drivers in the right section, in alphabetical order |
a9c5fff5 | 107 | |
177b0381 | 108 | # This symbol is selected by both I2C and SPI expanders |
e952805d WS |
109 | config GPIO_MAX730X |
110 | tristate | |
111 | ||
b9b1fc1a WBG |
112 | config GPIO_IDIO_16 |
113 | tristate | |
114 | help | |
115 | Enables support for the idio-16 library functions. The idio-16 library | |
116 | provides functions to facilitate communication with devices within the | |
117 | ACCES IDIO-16 family such as the 104-IDIO-16 and the PCI-IDIO-16. | |
118 | ||
119 | If built as a module its name will be gpio-idio-16. | |
120 | ||
177b0381 | 121 | menu "Memory mapped GPIO drivers" |
3085a4a4 | 122 | depends on HAS_IOMEM |
0bcb6069 | 123 | |
af0a33e2 AS |
124 | config GPIO_74XX_MMIO |
125 | tristate "GPIO driver for 74xx-ICs with MMIO access" | |
126 | depends on OF_GPIO | |
127 | select GPIO_GENERIC | |
128 | help | |
129 | Say yes here to support GPIO functionality for 74xx-compatible ICs | |
130 | with MMIO access. Compatible models include: | |
131 | 1 bit: 741G125 (Input), 741G74 (Output) | |
132 | 2 bits: 742G125 (Input), 7474 (Output) | |
133 | 4 bits: 74125 (Input), 74175 (Output) | |
134 | 6 bits: 74365 (Input), 74174 (Output) | |
135 | 8 bits: 74244 (Input), 74273 (Output) | |
136 | 16 bits: 741624 (Input), 7416374 (Output) | |
137 | ||
223fa272 LW |
138 | config GPIO_ALTERA |
139 | tristate "Altera GPIO" | |
140 | depends on OF_GPIO | |
223fa272 LW |
141 | select GPIOLIB_IRQCHIP |
142 | help | |
143 | Say Y or M here to build support for the Altera PIO device. | |
144 | ||
145 | If driver is built as a module it will be called gpio-altera. | |
146 | ||
6057d40f YT |
147 | config GPIO_AMDPT |
148 | tristate "AMD Promontory GPIO support" | |
149 | depends on ACPI | |
574b782e | 150 | select GPIO_GENERIC |
6057d40f | 151 | help |
dd1695a2 RD |
152 | Driver for GPIO functionality on Promontory IOHub. |
153 | Requires ACPI ASL code to enumerate as a platform device. | |
6057d40f | 154 | |
361b7911 JS |
155 | config GPIO_ASPEED |
156 | tristate "Aspeed GPIO support" | |
157 | depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO | |
158 | select GPIOLIB_IRQCHIP | |
159 | help | |
160 | Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers. | |
161 | ||
f8b410e3 LW |
162 | config GPIO_ASPEED_SGPIO |
163 | bool "Aspeed SGPIO support" | |
164 | depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO | |
165 | select GPIO_GENERIC | |
166 | select GPIOLIB_IRQCHIP | |
167 | help | |
168 | Say Y here to support Aspeed AST2500 SGPIO functionality. | |
169 | ||
ab32770e AB |
170 | config GPIO_ATH79 |
171 | tristate "Atheros AR71XX/AR724X/AR913X GPIO support" | |
172 | default y if ATH79 | |
409d8783 | 173 | depends on ATH79 || COMPILE_TEST |
ab32770e | 174 | select GPIO_GENERIC |
2b8f89e1 | 175 | select GPIOLIB_IRQCHIP |
ab32770e AB |
176 | help |
177 | Select this option to enable GPIO driver for | |
178 | Atheros AR71XX/AR724X/AR913X SoC devices. | |
179 | ||
a98d90e7 DS |
180 | config GPIO_RASPBERRYPI_EXP |
181 | tristate "Raspberry Pi 3 GPIO Expander" | |
182 | default RASPBERRYPI_FIRMWARE | |
183 | depends on OF_GPIO | |
94337b72 BS |
184 | # Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only |
185 | # happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE. | |
7ed91505 | 186 | depends on (ARCH_BCM2835 && RASPBERRYPI_FIRMWARE) || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE) |
a98d90e7 DS |
187 | help |
188 | Turn on GPIO support for the expander on Raspberry Pi 3 boards, using | |
189 | the firmware mailbox to communicate with VideoCore on BCM283x chips. | |
190 | ||
ea948cff LW |
191 | config GPIO_BCM_KONA |
192 | bool "Broadcom Kona GPIO" | |
193 | depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST) | |
194 | help | |
195 | Turn on GPIO support for Broadcom "Kona" chips. | |
196 | ||
6a41b6c5 CP |
197 | config GPIO_BCM_XGS_IPROC |
198 | tristate "BRCM XGS iProc GPIO support" | |
199 | depends on OF_GPIO && (ARCH_BCM_IPROC || COMPILE_TEST) | |
200 | select GPIO_GENERIC | |
201 | select GPIOLIB_IRQCHIP | |
202 | default ARCH_BCM_IPROC | |
203 | help | |
204 | Say yes here to enable GPIO support for Broadcom XGS iProc SoCs. | |
205 | ||
3b0213d5 GF |
206 | config GPIO_BRCMSTB |
207 | tristate "BRCMSTB GPIO support" | |
a02588a0 FF |
208 | default y if (ARCH_BRCMSTB || BMIPS_GENERIC) |
209 | depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST) | |
3b0213d5 | 210 | select GPIO_GENERIC |
0ba31dc2 | 211 | select IRQ_DOMAIN |
3b0213d5 GF |
212 | help |
213 | Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs. | |
214 | ||
72ab2f76 JK |
215 | config GPIO_CADENCE |
216 | tristate "Cadence GPIO support" | |
217 | depends on OF_GPIO | |
218 | select GPIO_GENERIC | |
219 | select GPIOLIB_IRQCHIP | |
220 | help | |
221 | Say yes here to enable support for Cadence GPIO controller. | |
222 | ||
a3b8d4a5 | 223 | config GPIO_CLPS711X |
55fe14ab | 224 | tristate "CLPS711X GPIO support" |
ffd4bf1a | 225 | depends on ARCH_CLPS711X || COMPILE_TEST |
55fe14ab AS |
226 | select GPIO_GENERIC |
227 | help | |
228 | Say yes here to support GPIO on CLPS711X SoCs. | |
a3b8d4a5 | 229 | |
ee89cf63 | 230 | config GPIO_DAVINCI |
8dab99c9 | 231 | tristate "TI Davinci/Keystone GPIO support" |
ee89cf63 | 232 | default y if ARCH_DAVINCI |
6eeea326 | 233 | depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3) |
ee89cf63 GS |
234 | help |
235 | Say yes here to enable GPIO support for TI Davinci/Keystone SoCs. | |
236 | ||
7779b345 JI |
237 | config GPIO_DWAPB |
238 | tristate "Synopsys DesignWare APB GPIO driver" | |
239 | select GPIO_GENERIC | |
0ea68393 | 240 | select GPIOLIB_IRQCHIP |
7779b345 JI |
241 | help |
242 | Say Y or M here to build support for the Synopsys DesignWare APB | |
243 | GPIO block. | |
244 | ||
25518e02 BW |
245 | config GPIO_EIC_SPRD |
246 | tristate "Spreadtrum EIC support" | |
247 | depends on ARCH_SPRD || COMPILE_TEST | |
248 | depends on OF_GPIO | |
249 | select GPIOLIB_IRQCHIP | |
250 | help | |
251 | Say yes here to support Spreadtrum EIC device. | |
252 | ||
a07e103e MD |
253 | config GPIO_EM |
254 | tristate "Emma Mobile GPIO" | |
22eaf13c | 255 | depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO |
a07e103e MD |
256 | help |
257 | Say yes here to support GPIO on Renesas Emma Mobile SoCs. | |
258 | ||
0868ad38 JC |
259 | config GPIO_EN7523 |
260 | tristate "Airoha GPIO support" | |
261 | depends on ARCH_AIROHA | |
262 | default ARCH_AIROHA | |
263 | select GPIO_GENERIC | |
264 | select GPIOLIB_IRQCHIP | |
265 | help | |
266 | Say Y or M here to support the GPIO controller block on the | |
267 | Airoha EN7523 SoC. It supports two banks of 32 GPIOs. | |
268 | ||
c6b52c13 HS |
269 | config GPIO_EP93XX |
270 | def_bool y | |
271 | depends on ARCH_EP93XX | |
1e4c8842 | 272 | select GPIO_GENERIC |
a419a3d9 | 273 | select GPIOLIB_IRQCHIP |
c6b52c13 | 274 | |
6596e59e SM |
275 | config GPIO_EXAR |
276 | tristate "Support for GPIO pins on XR17V352/354/358" | |
277 | depends on SERIAL_8250_EXAR | |
36fb7218 | 278 | select REGMAP_MMIO |
6596e59e SM |
279 | help |
280 | Selecting this option will enable handling of GPIO pins present | |
281 | on Exar XR17V352/354/358 chips. | |
282 | ||
223fa272 LW |
283 | config GPIO_GE_FPGA |
284 | bool "GE FPGA based GPIO" | |
285 | depends on GE_FPGA | |
286 | select GPIO_GENERIC | |
287 | help | |
288 | Support for common GPIO functionality provided on some GE Single Board | |
289 | Computers. | |
290 | ||
291 | This driver provides basic support (configure as input or output, read | |
292 | and write pin state) for GPIO implemented in a number of GE single | |
293 | board computers. | |
294 | ||
9d3a15aa LW |
295 | config GPIO_FTGPIO010 |
296 | bool "Faraday FTGPIO010 GPIO" | |
49cec4d8 LW |
297 | depends on OF_GPIO |
298 | select GPIO_GENERIC | |
299 | select GPIOLIB_IRQCHIP | |
d8307c09 | 300 | default (ARCH_GEMINI || ARCH_MOXART) |
49cec4d8 | 301 | help |
9d3a15aa LW |
302 | Support for common GPIOs from the Faraday FTGPIO010 IP core, found in |
303 | Cortina systems Gemini platforms, Moxa ART and others. | |
49cec4d8 | 304 | |
223fa272 LW |
305 | config GPIO_GENERIC_PLATFORM |
306 | tristate "Generic memory-mapped GPIO controller support (MMIO platform device)" | |
307 | select GPIO_GENERIC | |
308 | help | |
309 | Say yes here to support basic platform_device memory-mapped GPIO controllers. | |
310 | ||
311 | config GPIO_GRGPIO | |
312 | tristate "Aeroflex Gaisler GRGPIO support" | |
048c28c9 | 313 | depends on OF_GPIO |
223fa272 LW |
314 | select GPIO_GENERIC |
315 | select IRQ_DOMAIN | |
316 | help | |
317 | Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB | |
318 | VHDL IP core library. | |
319 | ||
356b01a9 LJ |
320 | config GPIO_HISI |
321 | tristate "HiSilicon GPIO controller driver" | |
80280df7 | 322 | depends on ARM64 || COMPILE_TEST |
356b01a9 LJ |
323 | select GPIO_GENERIC |
324 | select GPIOLIB_IRQCHIP | |
325 | help | |
326 | Say Y or M here to build support for the HiSilicon GPIO controller | |
327 | driver GPIO block. | |
dd1695a2 | 328 | This GPIO controller supports double-edge interrupt and multi-core |
356b01a9 LJ |
329 | concurrent access. |
330 | ||
8f55fed3 JN |
331 | config GPIO_HLWD |
332 | tristate "Nintendo Wii (Hollywood) GPIO" | |
333 | depends on OF_GPIO | |
334 | select GPIO_GENERIC | |
588de43c | 335 | select GPIOLIB_IRQCHIP |
8f55fed3 JN |
336 | help |
337 | Select this to support the GPIO controller of the Nintendo Wii. | |
338 | ||
339 | If unsure, say N. | |
340 | ||
223fa272 LW |
341 | config GPIO_ICH |
342 | tristate "Intel ICH GPIO" | |
ba134d29 AS |
343 | depends on X86 |
344 | depends on LPC_ICH | |
223fa272 LW |
345 | help |
346 | Say yes here to support the GPIO functionality of a number of Intel | |
347 | ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8 | |
dd1695a2 | 348 | ICH9, ICH10, Series 5/3400 (e.g. Ibex Peak), Series 6/C200 (e.g. |
223fa272 LW |
349 | Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake). |
350 | ||
351 | If unsure, say N. | |
352 | ||
0bd459dd SW |
353 | config GPIO_IMX_SCU |
354 | def_bool y | |
355 | depends on IMX_SCU | |
356 | ||
813e7d36 LW |
357 | config GPIO_IXP4XX |
358 | bool "Intel IXP4xx GPIO" | |
813e7d36 | 359 | depends on ARCH_IXP4XX |
c83227a5 | 360 | depends on OF |
813e7d36 | 361 | select GPIO_GENERIC |
aa7d618a | 362 | select GPIOLIB_IRQCHIP |
813e7d36 LW |
363 | select IRQ_DOMAIN_HIERARCHY |
364 | help | |
365 | Say yes here to support the GPIO functionality of a number of Intel | |
366 | IXP4xx series of chips. | |
367 | ||
368 | If unsure, say N. | |
c83227a5 | 369 | |
c16485ad PK |
370 | config GPIO_LOGICVC |
371 | tristate "Xylon LogiCVC GPIO support" | |
372 | depends on MFD_SYSCON && OF | |
373 | help | |
374 | Say yes here to support GPIO functionality of the Xylon LogiCVC | |
375 | programmable logic block. | |
813e7d36 | 376 | |
223fa272 LW |
377 | config GPIO_LOONGSON |
378 | bool "Loongson-2/3 GPIO support" | |
268a2d60 | 379 | depends on CPU_LOONGSON2EF || CPU_LOONGSON64 |
223fa272 | 380 | help |
dd1695a2 | 381 | Driver for GPIO functionality on Loongson-2F/3A/3B processors. |
223fa272 | 382 | |
13a43fd9 | 383 | config GPIO_LPC18XX |
54b72998 | 384 | tristate "NXP LPC18XX/43XX GPIO support" |
13a43fd9 JE |
385 | default y if ARCH_LPC18XX |
386 | depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST) | |
5ddabfe8 | 387 | select IRQ_DOMAIN_HIERARCHY |
13a43fd9 JE |
388 | help |
389 | Select this option to enable GPIO driver for | |
390 | NXP LPC18XX/43XX devices. | |
391 | ||
f2ee7314 AB |
392 | config GPIO_LPC32XX |
393 | tristate "NXP LPC32XX GPIO support" | |
394 | depends on OF_GPIO && (ARCH_LPC32XX || COMPILE_TEST) | |
395 | help | |
396 | Select this option to enable GPIO driver for | |
397 | NXP LPC32XX devices. | |
398 | ||
0da094d8 | 399 | config GPIO_MB86S7X |
e1289dba | 400 | tristate "GPIO support for Fujitsu MB86S7x Platforms" |
0da094d8 JB |
401 | help |
402 | Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs. | |
403 | ||
f436bc27 AW |
404 | config GPIO_MENZ127 |
405 | tristate "MEN 16Z127 GPIO support" | |
406 | depends on MCB | |
407 | select GPIO_GENERIC | |
408 | help | |
dd1695a2 | 409 | Say yes here to support the MEN 16Z127 GPIO Controller. |
f436bc27 | 410 | |
223fa272 LW |
411 | config GPIO_MM_LANTIQ |
412 | bool "Lantiq Memory mapped GPIOs" | |
413 | depends on LANTIQ && SOC_XWAY | |
414 | help | |
415 | This enables support for memory mapped GPIOs on the External Bus Unit | |
dd1695a2 RD |
416 | (EBU) found on Lantiq SoCs. The GPIOs are output only as they are |
417 | created by attaching a 16-bit latch to the bus. | |
223fa272 | 418 | |
6eae1ace GL |
419 | config GPIO_MPC5200 |
420 | def_bool y | |
421 | depends on PPC_MPC52xx | |
422 | ||
c68308dd | 423 | config GPIO_MPC8XXX |
5df7fd46 | 424 | bool "MPC512x/MPC8xxx/QorIQ GPIO support" |
c68308dd | 425 | depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ |
5df7fd46 LG |
426 | FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \ |
427 | COMPILE_TEST | |
428 | select GPIO_GENERIC | |
a8fa91a7 | 429 | select IRQ_DOMAIN |
c68308dd WS |
430 | help |
431 | Say Y here if you're going to use hardware that connects to the | |
5df7fd46 | 432 | MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs. |
c68308dd | 433 | |
4ba9c3af SP |
434 | config GPIO_MT7621 |
435 | bool "Mediatek MT7621 GPIO Support" | |
436 | depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST | |
7a9a5df0 | 437 | depends on OF_GPIO |
4ba9c3af SP |
438 | select GPIO_GENERIC |
439 | select GPIOLIB_IRQCHIP | |
440 | help | |
dd1695a2 | 441 | Say yes here to support the Mediatek MT7621 SoC GPIO device. |
4ba9c3af | 442 | |
fefe7b09 TP |
443 | config GPIO_MVEBU |
444 | def_bool y | |
3b4c94bb | 445 | depends on PLAT_ORION || ARCH_MVEBU |
048c28c9 | 446 | depends on OF_GPIO |
fefe7b09 | 447 | select GENERIC_IRQ_CHIP |
f37e335f | 448 | select REGMAP_MMIO |
fefe7b09 | 449 | |
d37a65bb | 450 | config GPIO_MXC |
12d16b39 | 451 | tristate "i.MX GPIO support" |
d4e93614 | 452 | depends on ARCH_MXC || COMPILE_TEST |
c103de24 | 453 | select GPIO_GENERIC |
e4ea9333 | 454 | select GENERIC_IRQ_CHIP |
c103de24 GL |
455 | |
456 | config GPIO_MXS | |
97c6e28d | 457 | bool "Freescale MXS GPIO support" if COMPILE_TEST |
6876ca31 | 458 | depends on ARCH_MXS || COMPILE_TEST |
97c6e28d | 459 | default y if ARCH_MXS |
06f88a8a | 460 | select GPIO_GENERIC |
498c17cf | 461 | select GENERIC_IRQ_CHIP |
d37a65bb | 462 | |
aca58a66 DD |
463 | config GPIO_OCTEON |
464 | tristate "Cavium OCTEON GPIO" | |
e4c6a52c | 465 | depends on CAVIUM_OCTEON_SOC |
aca58a66 DD |
466 | default y |
467 | help | |
468 | Say yes here to support the on-chip GPIO lines on the OCTEON | |
469 | family of SOCs. | |
470 | ||
cd0a3748 | 471 | config GPIO_OMAP |
cac089f9 | 472 | tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST |
cd0a3748 | 473 | default y if ARCH_OMAP |
9d5d96ef AB |
474 | depends on ARM |
475 | select GENERIC_IRQ_CHIP | |
fb655f57 | 476 | select GPIOLIB_IRQCHIP |
cd0a3748 JMC |
477 | help |
478 | Say yes here to enable GPIO support for TI OMAP SoCs. | |
479 | ||
1e9c2859 | 480 | config GPIO_PL061 |
61684440 | 481 | tristate "PrimeCell PL061 GPIO support" |
8a242842 | 482 | depends on ARM_AMBA |
a5d6d271 | 483 | select IRQ_DOMAIN |
8d5b24bd | 484 | select GPIOLIB_IRQCHIP |
1e9c2859 | 485 | help |
dd1695a2 | 486 | Say yes here to support the PrimeCell PL061 GPIO device. |
1e9c2859 | 487 | |
348f3cde BW |
488 | config GPIO_PMIC_EIC_SPRD |
489 | tristate "Spreadtrum PMIC EIC support" | |
490 | depends on MFD_SC27XX_PMIC || COMPILE_TEST | |
491 | depends on OF_GPIO | |
492 | select GPIOLIB_IRQCHIP | |
493 | help | |
494 | Say yes here to support Spreadtrum PMIC EIC device. | |
495 | ||
157d2644 HZ |
496 | config GPIO_PXA |
497 | bool "PXA GPIO support" | |
22e4ebd0 | 498 | depends on ARCH_PXA || ARCH_MMP || COMPILE_TEST |
157d2644 | 499 | help |
dd1695a2 | 500 | Say yes here to support the PXA GPIO device. |
157d2644 | 501 | |
119f5e44 | 502 | config GPIO_RCAR |
032653ef | 503 | tristate "Renesas R-Car and RZ/G GPIO support" |
2af66e1d | 504 | depends on ARCH_RENESAS || COMPILE_TEST |
c7f3c5d3 | 505 | select GPIOLIB_IRQCHIP |
119f5e44 | 506 | help |
032653ef | 507 | Say yes here to support GPIO on Renesas R-Car or RZ/G SoCs. |
119f5e44 | 508 | |
d57eb825 MS |
509 | config GPIO_RDA |
510 | bool "RDA Micro GPIO controller support" | |
511 | depends on ARCH_RDA || COMPILE_TEST | |
512 | depends on OF_GPIO | |
513 | select GPIO_GENERIC | |
514 | select GPIOLIB_IRQCHIP | |
515 | help | |
516 | Say Y here to support RDA Micro GPIO controller. | |
517 | ||
0d82fb11 SV |
518 | config GPIO_REALTEK_OTTO |
519 | tristate "Realtek Otto GPIO support" | |
520 | depends on MACH_REALTEK_RTL | |
521 | default MACH_REALTEK_RTL | |
522 | select GPIO_GENERIC | |
523 | select GPIOLIB_IRQCHIP | |
524 | help | |
525 | The GPIO controller on the Otto MIPS platform supports up to two | |
526 | banks of 32 GPIOs, with edge triggered interrupts. The 32 GPIOs | |
527 | are grouped in four 8-bit wide ports. | |
528 | ||
529 | When built as a module, the module will be called realtek_otto_gpio. | |
530 | ||
380639c7 RK |
531 | config GPIO_REG |
532 | bool | |
533 | help | |
534 | A 32-bit single register GPIO fixed in/out implementation. This | |
535 | can be used to represent any register as a set of GPIO signals. | |
536 | ||
936ee267 JX |
537 | config GPIO_ROCKCHIP |
538 | tristate "Rockchip GPIO support" | |
539 | depends on ARCH_ROCKCHIP || COMPILE_TEST | |
d6912b12 | 540 | select GENERIC_IRQ_CHIP |
936ee267 JX |
541 | select GPIOLIB_IRQCHIP |
542 | default ARCH_ROCKCHIP | |
543 | help | |
544 | Say yes here to support GPIO on Rockchip SoCs. | |
545 | ||
fb0b35d3 AS |
546 | config GPIO_SAMA5D2_PIOBU |
547 | tristate "SAMA5D2 PIOBU GPIO support" | |
548 | depends on MFD_SYSCON | |
a7c23f8d | 549 | depends on OF_GPIO |
b06d7b45 | 550 | depends on ARCH_AT91 || COMPILE_TEST |
fb0b35d3 AS |
551 | select GPIO_SYSCON |
552 | help | |
553 | Say yes here to use the PIOBU pins as GPIOs. | |
554 | ||
555 | PIOBU pins on the SAMA5D2 can be used as GPIOs. | |
556 | The difference from regular GPIOs is that they | |
557 | maintain their value during backup/self-refresh. | |
558 | ||
96868dce YS |
559 | config GPIO_SIFIVE |
560 | bool "SiFive GPIO support" | |
18eedf2b RD |
561 | depends on OF_GPIO |
562 | select IRQ_DOMAIN_HIERARCHY | |
96868dce YS |
563 | select GPIO_GENERIC |
564 | select GPIOLIB_IRQCHIP | |
565 | select REGMAP_MMIO | |
566 | help | |
567 | Say yes here to support the GPIO device on SiFive SoCs. | |
568 | ||
be8c8fac UKK |
569 | config GPIO_SIOX |
570 | tristate "SIOX GPIO support" | |
571 | depends on SIOX | |
572 | select GPIOLIB_IRQCHIP | |
573 | help | |
574 | Say yes here to support SIOX I/O devices. These are units connected | |
575 | via a SIOX bus and have a number of fixed-direction I/O lines. | |
576 | ||
2505c7b0 EP |
577 | config GPIO_SNPS_CREG |
578 | bool "Synopsys GPIO via CREG (Control REGisters) driver" | |
579 | depends on ARC || COMPILE_TEST | |
a7c0b4b8 | 580 | depends on OF_GPIO |
2505c7b0 EP |
581 | help |
582 | This driver supports GPIOs via CREG on various Synopsys SoCs. | |
583 | This is a single-register MMIO GPIO driver for complex cases | |
584 | where only several fields in register belong to GPIO lines and | |
585 | each GPIO line owns a field with different length and on/off value. | |
586 | ||
b53bc281 SH |
587 | config GPIO_SPEAR_SPICS |
588 | bool "ST SPEAr13xx SPI Chip Select as GPIO support" | |
589 | depends on PLAT_SPEAR | |
590 | select GENERIC_IRQ_CHIP | |
591 | help | |
dd1695a2 | 592 | Say yes here to support ST SPEAr SPI Chip Select as GPIO device. |
b53bc281 | 593 | |
9a3821c2 BW |
594 | config GPIO_SPRD |
595 | tristate "Spreadtrum GPIO support" | |
596 | depends on ARCH_SPRD || COMPILE_TEST | |
597 | depends on OF_GPIO | |
598 | select GPIOLIB_IRQCHIP | |
599 | help | |
600 | Say yes here to support Spreadtrum GPIO device. | |
601 | ||
be9cab5b LW |
602 | config GPIO_STP_XWAY |
603 | bool "XWAY STP GPIOs" | |
5099837d MB |
604 | depends on SOC_XWAY || COMPILE_TEST |
605 | depends on OF_GPIO | |
be9cab5b LW |
606 | help |
607 | This enables support for the Serial To Parallel (STP) unit found on | |
608 | XWAY SoC. The STP allows the SoC to drive a shift registers cascade, | |
dd1695a2 RD |
609 | that can be up to 24 bits. This peripheral is aimed at driving LEDs. |
610 | Some of the GPIOs/LEDs can be auto updated by the SoC with DSL and | |
be9cab5b LW |
611 | phy status. |
612 | ||
6a8a0c1d AS |
613 | config GPIO_SYSCON |
614 | tristate "GPIO based on SYSCON" | |
615 | depends on MFD_SYSCON && OF | |
616 | help | |
617 | Say yes here to support GPIO functionality though SYSCON driver. | |
618 | ||
223fa272 LW |
619 | config GPIO_TB10X |
620 | bool | |
0d1e31ab | 621 | select GPIO_GENERIC |
223fa272 LW |
622 | select GENERIC_IRQ_CHIP |
623 | select OF_GPIO | |
624 | ||
4dd4dd1d | 625 | config GPIO_TEGRA |
4a6eac2b | 626 | tristate "NVIDIA Tegra GPIO support" |
0bfb85c6 | 627 | default ARCH_TEGRA |
4dd4dd1d | 628 | depends on ARCH_TEGRA || COMPILE_TEST |
048c28c9 | 629 | depends on OF_GPIO |
298d75c9 TR |
630 | select GPIOLIB_IRQCHIP |
631 | select IRQ_DOMAIN_HIERARCHY | |
0bfb85c6 AB |
632 | help |
633 | Say yes here to support GPIO pins on NVIDIA Tegra SoCs. | |
4dd4dd1d | 634 | |
5b2b135a TR |
635 | config GPIO_TEGRA186 |
636 | tristate "NVIDIA Tegra186 GPIO support" | |
286e7bea TR |
637 | default ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC |
638 | depends on ARCH_TEGRA_186_SOC || ARCH_TEGRA_194_SOC || COMPILE_TEST | |
5b2b135a TR |
639 | depends on OF_GPIO |
640 | select GPIOLIB_IRQCHIP | |
2a365505 | 641 | select IRQ_DOMAIN_HIERARCHY |
5b2b135a TR |
642 | help |
643 | Say yes here to support GPIO pins on NVIDIA Tegra186 SoCs. | |
644 | ||
5041e791 JG |
645 | config GPIO_TS4800 |
646 | tristate "TS-4800 DIO blocks and compatibles" | |
647 | depends on OF_GPIO | |
6dcfd729 | 648 | depends on SOC_IMX51 || COMPILE_TEST |
5041e791 JG |
649 | select GPIO_GENERIC |
650 | help | |
651 | This driver support TS-4800 FPGA GPIO controllers. | |
652 | ||
5a2a3002 DD |
653 | config GPIO_THUNDERX |
654 | tristate "Cavium ThunderX/OCTEON-TX GPIO" | |
655 | depends on ARCH_THUNDER || (64BIT && COMPILE_TEST) | |
311de3ce | 656 | depends on PCI_MSI |
a7fc89f9 | 657 | select GPIOLIB_IRQCHIP |
311de3ce | 658 | select IRQ_DOMAIN_HIERARCHY |
5a2a3002 DD |
659 | select IRQ_FASTEOI_HIERARCHY_HANDLERS |
660 | help | |
661 | Say yes here to support the on-chip GPIO lines on the ThunderX | |
662 | and OCTEON-TX families of SoCs. | |
663 | ||
dbe776c2 MY |
664 | config GPIO_UNIPHIER |
665 | tristate "UniPhier GPIO support" | |
666 | depends on ARCH_UNIPHIER || COMPILE_TEST | |
667 | depends on OF_GPIO | |
668 | select IRQ_DOMAIN_HIERARCHY | |
669 | help | |
670 | Say yes here to support UniPhier GPIOs. | |
671 | ||
7f2691a1 SA |
672 | config GPIO_VF610 |
673 | def_bool y | |
30a35c07 | 674 | depends on ARCH_MXC |
7f2691a1 SA |
675 | select GPIOLIB_IRQCHIP |
676 | help | |
30a35c07 | 677 | Say yes here to support i.MX or Vybrid vf610 GPIOs. |
7f2691a1 | 678 | |
2ad74f40 NI |
679 | config GPIO_VISCONTI |
680 | tristate "Toshiba Visconti GPIO support" | |
681 | depends on ARCH_VISCONTI || COMPILE_TEST | |
682 | depends on OF_GPIO | |
683 | select GPIOLIB_IRQCHIP | |
684 | select GPIO_GENERIC | |
685 | select IRQ_DOMAIN_HIERARCHY | |
686 | help | |
687 | Say yes here to support GPIO on Tohisba Visconti. | |
688 | ||
223fa272 LW |
689 | config GPIO_VX855 |
690 | tristate "VIA VX855/VX875 GPIO" | |
72aba2e2 | 691 | depends on (X86 || COMPILE_TEST) && PCI |
223fa272 LW |
692 | select MFD_CORE |
693 | select MFD_VX855 | |
694 | help | |
dd1695a2 | 695 | Support access to the VX855/VX875 GPIO lines through the GPIO library. |
223fa272 | 696 | |
dd1695a2 RD |
697 | This driver provides common support for accessing the device. |
698 | Additional drivers must be enabled in order to use the | |
223fa272 LW |
699 | functionality of the device. |
700 | ||
59c32468 | 701 | config GPIO_WCD934X |
dd1695a2 | 702 | tristate "Qualcomm Technologies Inc WCD9340/WCD9341 GPIO controller driver" |
59c32468 SK |
703 | depends on MFD_WCD934X && OF_GPIO |
704 | help | |
0bb8e80b | 705 | This driver is to support GPIO block found on the Qualcomm Technologies |
59c32468 SK |
706 | Inc WCD9340/WCD9341 Audio Codec. |
707 | ||
29cbf458 FK |
708 | config GPIO_XGENE |
709 | bool "APM X-Gene GPIO controller support" | |
710 | depends on ARM64 && OF_GPIO | |
711 | help | |
712 | This driver is to support the GPIO block within the APM X-Gene SoC | |
713 | platform's generic flash controller. The GPIO pins are muxed with | |
714 | the generic flash controller's address and data pins. Say yes | |
715 | here to enable the GFC GPIO functionality. | |
716 | ||
b2b35e10 V |
717 | config GPIO_XGENE_SB |
718 | tristate "APM X-Gene GPIO standby controller support" | |
b24bc583 | 719 | depends on (ARCH_XGENE || COMPILE_TEST) |
b2b35e10 | 720 | select GPIO_GENERIC |
e5f7e312 | 721 | select GPIOLIB_IRQCHIP |
c23d200f | 722 | select IRQ_DOMAIN_HIERARCHY |
b2b35e10 V |
723 | help |
724 | This driver supports the GPIO block within the APM X-Gene | |
725 | Standby Domain. Say yes here to enable the GPIO functionality. | |
726 | ||
0bcb6069 | 727 | config GPIO_XILINX |
c54c58ba | 728 | tristate "Xilinx GPIO support" |
a32c7cae SN |
729 | select GPIOLIB_IRQCHIP |
730 | depends on OF_GPIO | |
0bcb6069 | 731 | help |
dd1695a2 | 732 | Say yes here to support the Xilinx FPGA GPIO device. |
0bcb6069 | 733 | |
ff718800 | 734 | config GPIO_XLP |
ea708ac5 RH |
735 | tristate "Cavium ThunderX2 GPIO support" |
736 | depends on ARCH_THUNDER2 || COMPILE_TEST | |
ff718800 KP |
737 | select GPIOLIB_IRQCHIP |
738 | help | |
ea708ac5 RH |
739 | This driver provides support for GPIO interface on Cavium's ThunderX2 |
740 | CN99XX SoCs (Originally from Netlogic XLP). | |
ff718800 KP |
741 | |
742 | If unsure, say N. | |
743 | ||
3b31d0ec BS |
744 | config GPIO_XTENSA |
745 | bool "Xtensa GPIO32 support" | |
746 | depends on XTENSA | |
a1a2bdec | 747 | depends on HAVE_XTENSA_GPIO32 |
3b31d0ec BS |
748 | depends on !SMP |
749 | help | |
750 | Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input) | |
dd1695a2 | 751 | and EXPSTATE (output) ports. |
3b31d0ec | 752 | |
223fa272 LW |
753 | config GPIO_ZEVIO |
754 | bool "LSI ZEVIO SoC memory mapped GPIOs" | |
9c8224d0 | 755 | depends on ARM |
27fdd325 | 756 | help |
223fa272 | 757 | Say yes here to support the GPIO controller in LSI ZEVIO SoCs. |
27fdd325 | 758 | |
223fa272 LW |
759 | config GPIO_ZYNQ |
760 | tristate "Xilinx Zynq GPIO support" | |
bdf7a4ae | 761 | depends on ARCH_ZYNQ || ARCH_ZYNQMP |
7f87210e | 762 | select GPIOLIB_IRQCHIP |
be9b06b2 | 763 | help |
223fa272 | 764 | Say yes here to support Xilinx Zynq GPIO controller. |
92021490 | 765 | |
7687a5b0 | 766 | config GPIO_ZYNQMP_MODEPIN |
dd1695a2 | 767 | tristate "ZynqMP ps-mode pin GPIO configuration driver" |
7687a5b0 PM |
768 | depends on ZYNQMP_FIRMWARE |
769 | default ZYNQMP_FIRMWARE | |
770 | help | |
dd1695a2 | 771 | Say yes here to support the ZynqMP ps-mode pin GPIO configuration |
7687a5b0 PM |
772 | driver. |
773 | ||
dd1695a2 | 774 | This ps-mode pin GPIO driver is based on GPIO framework. PS_MODE |
7687a5b0 PM |
775 | is 4-bits boot mode pins. It sets and gets the status of |
776 | the ps-mode pin. Every pin can be configured as input/output. | |
777 | ||
bd37c999 KC |
778 | config GPIO_LOONGSON1 |
779 | tristate "Loongson1 GPIO support" | |
780 | depends on MACH_LOONGSON32 | |
781 | select GPIO_GENERIC | |
782 | help | |
783 | Say Y or M here to support GPIO on Loongson1 SoCs. | |
784 | ||
e09d168f EWI |
785 | config GPIO_AMD_FCH |
786 | tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)" | |
787 | help | |
dd1695a2 RD |
788 | This option enables driver for GPIO on AMD's Fusion Controller Hub, |
789 | as found on G-series SOCs (e.g. GX-412TC). | |
e09d168f | 790 | |
dd1695a2 RD |
791 | Note: This driver doesn't register itself automatically, as it |
792 | needs to be provided with platform-specific configuration. | |
793 | (See e.g. CONFIG_PCENGINES_APU2.) | |
93224edf DP |
794 | |
795 | config GPIO_MSC313 | |
796 | bool "MStar MSC313 GPIO support" | |
797 | depends on ARCH_MSTARV7 | |
798 | default ARCH_MSTARV7 | |
799 | select GPIOLIB_IRQCHIP | |
800 | select IRQ_DOMAIN_HIERARCHY | |
801 | help | |
802 | Say Y here to support the main GPIO block on MStar/SigmaStar | |
dd1695a2 | 803 | ARMv7-based SoCs. |
93224edf | 804 | |
4195926a TB |
805 | config GPIO_IDT3243X |
806 | tristate "IDT 79RC3243X GPIO support" | |
807 | depends on MIKROTIK_RB532 || COMPILE_TEST | |
808 | select GPIO_GENERIC | |
809 | select GPIOLIB_IRQCHIP | |
810 | help | |
811 | Select this option to enable GPIO driver for | |
dd1695a2 | 812 | IDT 79RC3243X-based devices like Mikrotik RB532. |
4195926a TB |
813 | |
814 | To compile this driver as a module, choose M here: the module will | |
815 | be called gpio-idt3243x. | |
816 | ||
177b0381 | 817 | endmenu |
be9b06b2 | 818 | |
bc6a73bb | 819 | menu "Port-mapped I/O GPIO drivers" |
7768feb0 | 820 | depends on X86 # Unconditional I/O space access |
bc6a73bb | 821 | |
fb38af4a WBG |
822 | config GPIO_I8255 |
823 | tristate | |
0b7c490d | 824 | select GPIO_REGMAP |
fb38af4a WBG |
825 | help |
826 | Enables support for the i8255 interface library functions. The i8255 | |
827 | interface library provides functions to facilitate communication with | |
828 | interfaces compatible with the venerable Intel 8255 Programmable | |
829 | Peripheral Interface (PPI). The Intel 8255 PPI chip was first released | |
830 | in the early 1970s but compatible interfaces are nowadays typically | |
831 | found embedded in larger VLSI processing chips and FPGA components. | |
832 | ||
833 | If built as a module its name will be gpio-i8255. | |
834 | ||
1b06d64f WBG |
835 | config GPIO_104_DIO_48E |
836 | tristate "ACCES 104-DIO-48E GPIO support" | |
35decc80 WBG |
837 | depends on PC104 |
838 | select ISA_BUS_API | |
2f7e845f WBG |
839 | select REGMAP_MMIO |
840 | select REGMAP_IRQ | |
1b06d64f | 841 | select GPIOLIB_IRQCHIP |
71b7b397 | 842 | select GPIO_I8255 |
1b06d64f | 843 | help |
4c23db0f WBG |
844 | Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E, |
845 | 104-DIO-24E). The base port addresses for the devices may be | |
846 | configured via the base module parameter. The interrupt line numbers | |
847 | for the devices may be configured via the irq module parameter. | |
1b06d64f | 848 | |
bc6a73bb LW |
849 | config GPIO_104_IDIO_16 |
850 | tristate "ACCES 104-IDIO-16 GPIO support" | |
35decc80 WBG |
851 | depends on PC104 |
852 | select ISA_BUS_API | |
a1184147 | 853 | select GPIOLIB_IRQCHIP |
c4ec384c | 854 | select GPIO_IDIO_16 |
bc6a73bb | 855 | help |
86ea8a95 WBG |
856 | Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16, |
857 | 104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The | |
858 | base port addresses for the devices may be configured via the base | |
859 | module parameter. The interrupt line numbers for the devices may be | |
860 | configured via the irq module parameter. | |
bc6a73bb | 861 | |
6ddcf9b4 WBG |
862 | config GPIO_104_IDI_48 |
863 | tristate "ACCES 104-IDI-48 GPIO support" | |
35decc80 WBG |
864 | depends on PC104 |
865 | select ISA_BUS_API | |
e28432a7 WBG |
866 | select REGMAP_MMIO |
867 | select REGMAP_IRQ | |
6ddcf9b4 | 868 | select GPIOLIB_IRQCHIP |
59e2131a | 869 | select GPIO_REGMAP |
6ddcf9b4 | 870 | help |
72bf7443 WBG |
871 | Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A, |
872 | 104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for | |
873 | the devices may be configured via the base module parameter. The | |
874 | interrupt line numbers for the devices may be configured via the irq | |
875 | module parameter. | |
6ddcf9b4 | 876 | |
bc6a73bb | 877 | config GPIO_F7188X |
d0918a84 | 878 | tristate "Fintek and Nuvoton Super-I/O GPIO support" |
bc6a73bb LW |
879 | help |
880 | This option enables support for GPIOs found on Fintek Super-I/O | |
1920906f | 881 | chips F71869, F71869A, F71882FG, F71889F and F81866. |
d0918a84 | 882 | As well as Nuvoton Super-I/O chip NCT6116D. |
bc6a73bb LW |
883 | |
884 | To compile this driver as a module, choose M here: the module will | |
885 | be called f7188x-gpio. | |
886 | ||
6ea5dcdf WBG |
887 | config GPIO_GPIO_MM |
888 | tristate "Diamond Systems GPIO-MM GPIO support" | |
35decc80 WBG |
889 | depends on PC104 |
890 | select ISA_BUS_API | |
1c05004f | 891 | select REGMAP_MMIO |
949506dc | 892 | select GPIO_I8255 |
6ea5dcdf WBG |
893 | help |
894 | Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12. | |
895 | ||
896 | The Diamond Systems GPIO-MM device features 48 lines of digital I/O | |
897 | via the emulation of dual 82C55A PPI chips. This driver provides GPIO | |
898 | support for these 48 channels of digital I/O. | |
899 | ||
900 | The base port addresses for the devices may be configured via the base | |
901 | array module parameter. | |
902 | ||
bc6a73bb LW |
903 | config GPIO_IT87 |
904 | tristate "IT87xx GPIO support" | |
bc6a73bb LW |
905 | help |
906 | Say yes here to support GPIO functionality of IT87xx Super I/O chips. | |
907 | ||
908 | This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and | |
a5ec96dd LB |
909 | supports the IT8761E, IT8613, IT8620E, and IT8628E Super I/O chips as |
910 | well. | |
bc6a73bb LW |
911 | |
912 | To compile this driver as a module, choose M here: the module will | |
dd1695a2 | 913 | be called gpio_it87. |
bc6a73bb LW |
914 | |
915 | config GPIO_SCH | |
916 | tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO" | |
fdc1f5df | 917 | depends on (X86 || COMPILE_TEST) && ACPI |
71cf76d4 | 918 | depends on LPC_SCH |
7a816384 | 919 | select GPIOLIB_IRQCHIP |
bc6a73bb LW |
920 | help |
921 | Say yes here to support GPIO interface on Intel Poulsbo SCH, | |
922 | Intel Tunnel Creek processor, Intel Centerton processor or | |
923 | Intel Quark X1000 SoC. | |
924 | ||
925 | The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are | |
926 | powered by the core power rail and are turned off during sleep | |
927 | modes (S3 and higher). The remaining four GPIOs are powered by | |
928 | the Intel SCH suspend power supply. These GPIOs remain | |
dd1695a2 | 929 | active during S3. The suspend-powered GPIOs can be used to wake the |
bc6a73bb LW |
930 | system from the Suspend-to-RAM state. |
931 | ||
932 | The Intel Tunnel Creek processor has 5 GPIOs powered by the | |
933 | core power rail and 9 from suspend power supply. | |
934 | ||
935 | The Intel Centerton processor has a total of 30 GPIO pins. | |
936 | Twenty-one are powered by the core power rail and 9 from the | |
937 | suspend power supply. | |
938 | ||
939 | The Intel Quark X1000 SoC has 2 GPIOs powered by the core | |
940 | power well and 6 from the suspend power well. | |
941 | ||
942 | config GPIO_SCH311X | |
943 | tristate "SMSC SCH311x SuperI/O GPIO" | |
944 | help | |
945 | Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and | |
946 | SCH3116 "Super I/O" chipsets. | |
947 | ||
948 | To compile this driver as a module, choose M here: the module will | |
949 | be called gpio-sch311x. | |
950 | ||
951 | config GPIO_TS5500 | |
952 | tristate "TS-5500 DIO blocks and compatibles" | |
953 | depends on TS5500 || COMPILE_TEST | |
954 | help | |
955 | This driver supports Digital I/O exposed by pin blocks found on some | |
956 | Technologic Systems platforms. It includes, but is not limited to, 3 | |
957 | blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600 | |
958 | LCD port. | |
959 | ||
a0d65009 MS |
960 | config GPIO_WINBOND |
961 | tristate "Winbond Super I/O GPIO support" | |
b995ff3b | 962 | select ISA_BUS_API |
a0d65009 MS |
963 | help |
964 | This option enables support for GPIOs found on Winbond Super I/O | |
965 | chips. | |
966 | Currently, only W83627UHG (also known as Nuvoton NCT6627UD) is | |
967 | supported. | |
968 | ||
969 | You will need to provide a module parameter "gpios", or a | |
970 | boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO | |
971 | ports to enable (bit 0 is GPIO1, bit 1 is GPIO2, etc.). | |
972 | ||
973 | To compile this driver as a module, choose M here: the module will | |
974 | be called gpio-winbond. | |
975 | ||
9c26df9b WBG |
976 | config GPIO_WS16C48 |
977 | tristate "WinSystems WS16C48 GPIO support" | |
35decc80 | 978 | select ISA_BUS_API |
9c26df9b WBG |
979 | select GPIOLIB_IRQCHIP |
980 | help | |
cc736607 WBG |
981 | Enables GPIO support for the WinSystems WS16C48. The base port |
982 | addresses for the devices may be configured via the base module | |
983 | parameter. The interrupt line numbers for the devices may be | |
984 | configured via the irq module parameter. | |
9c26df9b | 985 | |
bc6a73bb LW |
986 | endmenu |
987 | ||
177b0381 LW |
988 | menu "I2C GPIO expanders" |
989 | depends on I2C | |
92021490 | 990 | |
bf5a16ba LW |
991 | config GPIO_ADNP |
992 | tristate "Avionic Design N-bit GPIO expander" | |
269a46f8 | 993 | depends on OF_GPIO |
104fb1d5 ZL |
994 | select GPIOLIB_IRQCHIP |
995 | help | |
bf5a16ba LW |
996 | This option enables support for N GPIOs found on Avionic Design |
997 | I2C GPIO expanders. The register space will be extended by powers | |
998 | of two, so the controller will need to accommodate for that. For | |
999 | example: if a controller provides 48 pins, 6 registers will be | |
1000 | enough to represent all pins, but the driver will assume a | |
1001 | register layout for 64 pins (8 registers). | |
0cc59b9d | 1002 | |
2a0b0a57 LW |
1003 | config GPIO_GW_PLD |
1004 | tristate "Gateworks PLD GPIO Expander" | |
1005 | depends on OF_GPIO | |
1006 | help | |
1007 | Say yes here to provide access to the Gateworks I2C PLD GPIO | |
1008 | Expander. This is used at least on the Cambria GW2358-4. | |
1009 | ||
e952805d WS |
1010 | config GPIO_MAX7300 |
1011 | tristate "Maxim MAX7300 GPIO expander" | |
e952805d WS |
1012 | select GPIO_MAX730X |
1013 | help | |
2b861f4b | 1014 | GPIO driver for Maxim MAX7300 I2C-based GPIO expander. |
e952805d | 1015 | |
bbcd6d54 EM |
1016 | config GPIO_MAX732X |
1017 | tristate "MAX7319, MAX7320-7327 I2C Port Expanders" | |
bbcd6d54 EM |
1018 | help |
1019 | Say yes here to support the MAX7319, MAX7320-7327 series of I2C | |
1020 | Port Expanders. Each IO port on these chips has a fixed role of | |
1021 | Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain | |
1022 | Input and Output (designed by 'P'). The combinations are listed | |
1023 | below: | |
1024 | ||
c42e34c9 EWI |
1025 | 8 bits: max7319 (8I), max7320 (8O), max7321 (8P), |
1026 | max7322 (4I4O), max7323 (4P4O) | |
bbcd6d54 | 1027 | |
c42e34c9 EWI |
1028 | 16 bits: max7324 (8I8O), max7325 (8P8O), |
1029 | max7326 (4I12O), max7327 (4P12O) | |
bbcd6d54 EM |
1030 | |
1031 | Board setup code must specify the model to use, and the start | |
1032 | number for these GPIOs. | |
1033 | ||
a80a0bbe MZ |
1034 | config GPIO_MAX732X_IRQ |
1035 | bool "Interrupt controller support for MAX732x" | |
0244ad00 | 1036 | depends on GPIO_MAX732X=y |
984f6643 | 1037 | select GPIOLIB_IRQCHIP |
a80a0bbe MZ |
1038 | help |
1039 | Say yes here to enable the max732x to be used as an interrupt | |
1040 | controller. It requires the driver to be built in the kernel. | |
1041 | ||
f3dc3630 | 1042 | config GPIO_PCA953X |
eb32b5aa | 1043 | tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports" |
4bc16f9d | 1044 | select REGMAP_I2C |
9e60fdcf | 1045 | help |
7059d4b0 DB |
1046 | Say yes here to provide access to several register-oriented |
1047 | SMBus I/O expanders, made mostly by NXP or TI. Compatible | |
1048 | models include: | |
1049 | ||
c42e34c9 | 1050 | 4 bits: pca9536, pca9537 |
7059d4b0 | 1051 | |
c42e34c9 EWI |
1052 | 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554, |
1053 | pca9556, pca9557, pca9574, tca6408, tca9554, xra1202 | |
7059d4b0 | 1054 | |
c42e34c9 EWI |
1055 | 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575, |
1056 | tca6416 | |
9e60fdcf | 1057 | |
c42e34c9 | 1058 | 24 bits: tca6424 |
1e191695 | 1059 | |
c42e34c9 | 1060 | 40 bits: pca9505, pca9698 |
1e191695 | 1061 | |
89ea8bbe MZ |
1062 | config GPIO_PCA953X_IRQ |
1063 | bool "Interrupt controller support for PCA953x" | |
e33a58a2 | 1064 | depends on GPIO_PCA953X |
7bcbce55 | 1065 | select GPIOLIB_IRQCHIP |
89ea8bbe MZ |
1066 | help |
1067 | Say yes here to enable the pca953x to be used as an interrupt | |
dd1695a2 | 1068 | controller. |
89ea8bbe | 1069 | |
16d44b60 SE |
1070 | config GPIO_PCA9570 |
1071 | tristate "PCA9570 4-Bit I2C GPO expander" | |
1072 | help | |
1073 | Say yes here to enable the GPO driver for the NXP PCA9570 chip. | |
1074 | ||
1075 | To compile this driver as a module, choose M here: the module will | |
1076 | be called gpio-pca9570. | |
1077 | ||
15fae37d | 1078 | config GPIO_PCF857X |
1673ad52 | 1079 | tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders" |
a39294bd | 1080 | select GPIOLIB_IRQCHIP |
901acf5b | 1081 | select IRQ_DOMAIN |
15fae37d DB |
1082 | help |
1083 | Say yes here to provide access to most "quasi-bidirectional" I2C | |
1084 | GPIO expanders used for additional digital outputs or inputs. | |
1085 | Most of these parts are from NXP, though TI is a second source for | |
1086 | some of them. Compatible models include: | |
1087 | ||
1088 | 8 bits: pcf8574, pcf8574a, pca8574, pca8574a, | |
1673ad52 | 1089 | pca9670, pca9672, pca9674, pca9674a, |
c42e34c9 | 1090 | max7328, max7329 |
15fae37d DB |
1091 | |
1092 | 16 bits: pcf8575, pcf8575c, pca8575, | |
1093 | pca9671, pca9673, pca9675 | |
1094 | ||
1095 | Your board setup code will need to declare the expanders in | |
1096 | use, and assign numbers to the GPIOs they expose. Those GPIOs | |
1097 | can then be used from drivers and other kernel code, just like | |
1098 | other GPIOs, but only accessible from task contexts. | |
1099 | ||
1100 | This driver provides an in-kernel interface to those GPIOs using | |
1101 | platform-neutral GPIO calls. | |
1102 | ||
b866526d AD |
1103 | config GPIO_TPIC2810 |
1104 | tristate "TPIC2810 8-Bit I2C GPO expander" | |
1105 | help | |
1106 | Say yes here to enable the GPO driver for the TI TPIC2810 chip. | |
1107 | ||
1108 | To compile this driver as a module, choose M here: the module will | |
1109 | be called gpio-tpic2810. | |
1110 | ||
9c668632 LQ |
1111 | config GPIO_TS4900 |
1112 | tristate "Technologic Systems FPGA I2C GPIO" | |
4c5f15b7 | 1113 | depends on SOC_IMX6 || COMPILE_TEST |
9c668632 LQ |
1114 | select REGMAP_I2C |
1115 | help | |
1116 | Say yes here to enabled the GPIO driver for Technologic's FPGA core. | |
1117 | Series supported include TS-4100, TS-4900, TS-7970 and TS-7990. | |
1118 | ||
177b0381 LW |
1119 | endmenu |
1120 | ||
1121 | menu "MFD GPIO expanders" | |
be9cab5b LW |
1122 | |
1123 | config GPIO_ADP5520 | |
1124 | tristate "GPIO Support for ADP5520 PMIC" | |
1125 | depends on PMIC_ADP5520 | |
1126 | help | |
1127 | This option enables support for on-chip GPIO found | |
1128 | on Analog Devices ADP5520 PMICs. | |
1129 | ||
26a48c4c TT |
1130 | config GPIO_ALTERA_A10SR |
1131 | tristate "Altera Arria10 System Resource GPIO" | |
1132 | depends on MFD_ALTERA_A10SR | |
1133 | help | |
1134 | Driver for Arria10 Development Kit GPIO expansion which | |
1135 | includes reads of pushbuttons and DIP switches as well | |
1136 | as writes to LEDs. | |
1137 | ||
be9cab5b LW |
1138 | config GPIO_ARIZONA |
1139 | tristate "Wolfson Microelectronics Arizona class devices" | |
1140 | depends on MFD_ARIZONA | |
1141 | help | |
1142 | Support for GPIOs on Wolfson Arizona class devices. | |
1143 | ||
703b288f MV |
1144 | config GPIO_BD71815 |
1145 | tristate "ROHM BD71815 PMIC GPIO support" | |
1146 | depends on MFD_ROHM_BD71828 | |
1147 | help | |
1148 | Support for GPO(s) on ROHM BD71815 PMIC. There are two GPOs | |
1149 | available on the ROHM PMIC. | |
1150 | ||
1151 | This driver can also be built as a module. If so, the module | |
1152 | will be called gpio-bd71815. | |
1153 | ||
c31f625d MV |
1154 | config GPIO_BD71828 |
1155 | tristate "ROHM BD71828 GPIO support" | |
1156 | depends on MFD_ROHM_BD71828 | |
1157 | help | |
1158 | Support for GPIOs on ROHM BD71828 PMIC. There are three GPIOs | |
1159 | available on the ROHM PMIC in total. The GPIOs are limited to | |
1160 | outputs only and pins must be configured to GPIO outputs by | |
1161 | OTP. Enable this only if you want to use these pins as outputs. | |
1162 | ||
1163 | This driver can also be built as a module. If so, the module | |
1164 | will be called gpio-bd71828. | |
1165 | ||
93847930 MV |
1166 | config GPIO_BD9571MWV |
1167 | tristate "ROHM BD9571 GPIO support" | |
1168 | depends on MFD_BD9571MWV | |
1169 | help | |
1170 | Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs | |
1171 | available on the ROHM PMIC in total, both of which can also | |
1172 | generate interrupts. | |
1173 | ||
1174 | This driver can also be built as a module. If so, the module | |
1175 | will be called gpio-bd9571mwv. | |
1176 | ||
be9cab5b LW |
1177 | config GPIO_CRYSTAL_COVE |
1178 | tristate "GPIO support for Crystal Cove PMIC" | |
72aba2e2 | 1179 | depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC |
be9cab5b LW |
1180 | select GPIOLIB_IRQCHIP |
1181 | help | |
1182 | Support for GPIO pins on Crystal Cove PMIC. | |
1183 | ||
dd1695a2 | 1184 | Say Yes if you have a Intel SoC-based tablet with Crystal Cove PMIC |
be9cab5b LW |
1185 | inside. |
1186 | ||
1187 | This driver can also be built as a module. If so, the module will be | |
1188 | called gpio-crystalcove. | |
1189 | ||
1190 | config GPIO_CS5535 | |
1191 | tristate "AMD CS5535/CS5536 GPIO support" | |
72aba2e2 | 1192 | depends on X86 || MIPS || COMPILE_TEST |
be9cab5b LW |
1193 | depends on MFD_CS5535 |
1194 | help | |
1195 | The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that | |
1196 | can be used for quite a number of things. The CS5535/6 is found on | |
1197 | AMD Geode and Lemote Yeeloong devices. | |
1198 | ||
1199 | If unsure, say N. | |
1200 | ||
1201 | config GPIO_DA9052 | |
1202 | tristate "Dialog DA9052 GPIO" | |
1203 | depends on PMIC_DA9052 | |
1204 | help | |
1205 | Say yes here to enable the GPIO driver for the DA9052 chip. | |
1206 | ||
1207 | config GPIO_DA9055 | |
1208 | tristate "Dialog Semiconductor DA9055 GPIO" | |
1209 | depends on MFD_DA9055 | |
1210 | help | |
1211 | Say yes here to enable the GPIO driver for the DA9055 chip. | |
1212 | ||
1213 | The Dialog DA9055 PMIC chip has 3 GPIO pins that can be | |
dd1695a2 | 1214 | be controlled by this driver. |
be9cab5b LW |
1215 | |
1216 | If driver is built as a module it will be called gpio-da9055. | |
1217 | ||
1218 | config GPIO_DLN2 | |
1219 | tristate "Diolan DLN2 GPIO support" | |
1220 | depends on MFD_DLN2 | |
1221 | select GPIOLIB_IRQCHIP | |
1222 | ||
1223 | help | |
1224 | Select this option to enable GPIO driver for the Diolan DLN2 | |
1225 | board. | |
1226 | ||
1227 | This driver can also be built as a module. If so, the module | |
1228 | will be called gpio-dln2. | |
1229 | ||
3c6e8d05 LW |
1230 | config HTC_EGPIO |
1231 | bool "HTC EGPIO support" | |
e4c6a52c | 1232 | depends on ARM |
3c6e8d05 | 1233 | help |
c42e34c9 EWI |
1234 | This driver supports the CPLD egpio chip present on |
1235 | several HTC phones. It provides basic support for input | |
dd1695a2 | 1236 | pins, output pins, and IRQs. |
3c6e8d05 | 1237 | |
be9cab5b LW |
1238 | config GPIO_JANZ_TTL |
1239 | tristate "Janz VMOD-TTL Digital IO Module" | |
1240 | depends on MFD_JANZ_CMODIO | |
1241 | help | |
1242 | This enables support for the Janz VMOD-TTL Digital IO module. | |
1243 | This driver provides support for driving the pins in output | |
1244 | mode only. Input mode is not supported. | |
1245 | ||
1246 | config GPIO_KEMPLD | |
1247 | tristate "Kontron ETX / COMexpress GPIO" | |
1248 | depends on MFD_KEMPLD | |
1249 | help | |
1250 | This enables support for the PLD GPIO interface on some Kontron ETX | |
1251 | and COMexpress (ETXexpress) modules. | |
1252 | ||
1253 | This driver can also be built as a module. If so, the module will be | |
1254 | called gpio-kempld. | |
1255 | ||
1256 | config GPIO_LP3943 | |
1257 | tristate "TI/National Semiconductor LP3943 GPIO expander" | |
1258 | depends on MFD_LP3943 | |
1259 | help | |
1260 | GPIO driver for LP3943 MFD. | |
1261 | LP3943 can be used as a GPIO expander which provides up to 16 GPIOs. | |
1262 | Open drain outputs are required for this usage. | |
1263 | ||
83f14103 K |
1264 | config GPIO_LP873X |
1265 | tristate "TI LP873X GPO" | |
1266 | depends on MFD_TI_LP873X | |
1267 | help | |
1268 | This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present | |
1269 | on LP873X PMICs. | |
1270 | ||
1271 | This driver can also be built as a module. If so, the module will be | |
c42e34c9 | 1272 | called gpio-lp873x. |
83f14103 | 1273 | |
5c7f2c76 K |
1274 | config GPIO_LP87565 |
1275 | tristate "TI LP87565 GPIO" | |
1276 | depends on MFD_TI_LP87565 | |
1277 | help | |
1278 | This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present | |
1279 | on LP87565 PMICs. | |
1280 | ||
1281 | This driver can also be built as a module. If so, the module will be | |
1282 | called gpio-lp87565. | |
1283 | ||
aca429ff RF |
1284 | config GPIO_MADERA |
1285 | tristate "Cirrus Logic Madera class codecs" | |
1286 | depends on PINCTRL_MADERA | |
1287 | help | |
1288 | Support for GPIOs on Cirrus Logic Madera class codecs. | |
1289 | ||
02c5ba1e LD |
1290 | config GPIO_MAX77620 |
1291 | tristate "GPIO support for PMIC MAX77620 and MAX20024" | |
1292 | depends on MFD_MAX77620 | |
c5706c7d | 1293 | select GPIOLIB_IRQCHIP |
02c5ba1e LD |
1294 | help |
1295 | GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor. | |
1296 | MAX77620 PMIC has 8 pins that can be configured as GPIOs. The | |
dd1695a2 RD |
1297 | driver also provides interrupt support for each of the GPIOs. |
1298 | Say yes here to enable the max77620 to be used as GPIO controller. | |
02c5ba1e | 1299 | |
72b5135b BG |
1300 | config GPIO_MAX77650 |
1301 | tristate "Maxim MAX77650/77651 GPIO support" | |
1302 | depends on MFD_MAX77650 | |
1303 | help | |
1304 | GPIO driver for MAX77650/77651 PMIC from Maxim Semiconductor. | |
1305 | These chips have a single pin that can be configured as GPIO. | |
1306 | ||
be9cab5b LW |
1307 | config GPIO_PALMAS |
1308 | bool "TI PALMAS series PMICs GPIO" | |
1309 | depends on MFD_PALMAS | |
1310 | help | |
1311 | Select this option to enable GPIO driver for the TI PALMAS | |
1312 | series chip family. | |
1313 | ||
e9fe32bc LD |
1314 | config GPIO_RC5T583 |
1315 | bool "RICOH RC5T583 GPIO" | |
1316 | depends on MFD_RC5T583 | |
1317 | help | |
1318 | Select this option to enable GPIO driver for the Ricoh RC5T583 | |
1319 | chip family. | |
dd1695a2 RD |
1320 | This driver provides the support for driving/reading the GPIO pins |
1321 | of RC5T583 device through standard GPIO library. | |
e9fe32bc | 1322 | |
b7536d87 MW |
1323 | config GPIO_SL28CPLD |
1324 | tristate "Kontron sl28cpld GPIO support" | |
1325 | depends on MFD_SL28CPLD || COMPILE_TEST | |
1326 | select GPIO_REGMAP | |
1327 | select GPIOLIB_IRQCHIP | |
1328 | select REGMAP_IRQ | |
1329 | help | |
1330 | This enables support for the GPIOs found on the Kontron sl28 CPLD. | |
1331 | ||
1332 | This driver can also be built as a module. If so, the module will be | |
1333 | called gpio-sl28cpld. | |
1334 | ||
03f822f5 RV |
1335 | config GPIO_STMPE |
1336 | bool "STMPE GPIOs" | |
1337 | depends on MFD_STMPE | |
1dfb4a0d | 1338 | depends on OF_GPIO |
fe44e70d | 1339 | select GPIOLIB_IRQCHIP |
03f822f5 RV |
1340 | help |
1341 | This enables support for the GPIOs found on the STMPE I/O | |
1342 | Expanders. | |
1343 | ||
f4e8afdc SI |
1344 | config GPIO_TC3589X |
1345 | bool "TC3589X GPIOs" | |
1346 | depends on MFD_TC3589X | |
1422731d | 1347 | depends on OF_GPIO |
cf42f1cf | 1348 | select GPIOLIB_IRQCHIP |
d88b25be | 1349 | help |
f4e8afdc | 1350 | This enables support for the GPIOs found on the TC3589X |
d88b25be RV |
1351 | I/O Expander. |
1352 | ||
be9cab5b LW |
1353 | config GPIO_TIMBERDALE |
1354 | bool "Support for timberdale GPIO IP" | |
1355 | depends on MFD_TIMBERDALE | |
a7f7f624 | 1356 | help |
be9cab5b LW |
1357 | Add support for the GPIO IP in the timberdale FPGA. |
1358 | ||
b3dcb5de RM |
1359 | config GPIO_TN48M_CPLD |
1360 | tristate "Delta Networks TN48M switch CPLD GPIO driver" | |
1361 | depends on MFD_TN48M_CPLD | |
1362 | select GPIO_REGMAP | |
1363 | help | |
1364 | This enables support for the GPIOs found on the Delta | |
1365 | Networks TN48M switch Lattice CPLD. It provides 12 pins in total, | |
1366 | they are input-only or output-only type. | |
1367 | ||
1368 | This driver can also be built as a module. If so, the | |
1369 | module will be called gpio-tn48m. | |
1370 | ||
99f0fd54 AD |
1371 | config GPIO_TPS65086 |
1372 | tristate "TI TPS65086 GPO" | |
1373 | depends on MFD_TPS65086 | |
1374 | help | |
1375 | This driver supports the GPO on TI TPS65086x PMICs. | |
1376 | ||
c366c76a NSJ |
1377 | config GPIO_TPS65218 |
1378 | tristate "TPS65218 GPIO" | |
1379 | depends on MFD_TPS65218 | |
1380 | help | |
1381 | Select this option to enable GPIO driver for the TPS65218 | |
1382 | chip family. | |
1383 | ||
be9cab5b LW |
1384 | config GPIO_TPS6586X |
1385 | bool "TPS6586X GPIO" | |
1386 | depends on MFD_TPS6586X | |
1387 | help | |
1388 | Select this option to enable GPIO driver for the TPS6586X | |
1389 | chip family. | |
1390 | ||
1391 | config GPIO_TPS65910 | |
1392 | bool "TPS65910 GPIO" | |
1393 | depends on MFD_TPS65910 | |
1394 | help | |
1395 | Select this option to enable GPIO driver for the TPS65910 | |
1396 | chip family. | |
1397 | ||
668a6cc7 MO |
1398 | config GPIO_TPS65912 |
1399 | tristate "TI TPS65912 GPIO" | |
ca801a22 | 1400 | depends on MFD_TPS65912 |
668a6cc7 | 1401 | help |
dd1695a2 | 1402 | This driver supports TPS65912 GPIO chip. |
668a6cc7 | 1403 | |
275b13a6 | 1404 | config GPIO_TPS68470 |
a1ce76e8 | 1405 | tristate "TPS68470 GPIO" |
24700e1f | 1406 | depends on INTEL_SKL_INT3472 |
275b13a6 RM |
1407 | help |
1408 | Select this option to enable GPIO driver for the TPS68470 | |
1409 | chip family. | |
dd1695a2 | 1410 | There are 7 GPIOs and few sensor-related GPIOs supported |
275b13a6 RM |
1411 | by the TPS68470. While the 7 GPIOs can be configured as |
1412 | input or output as appropriate, the sensor related GPIOs | |
1413 | are "output only" GPIOs. | |
1414 | ||
b868db94 AL |
1415 | config GPIO_TQMX86 |
1416 | tristate "TQ-Systems QTMX86 GPIO" | |
1417 | depends on MFD_TQMX86 || COMPILE_TEST | |
c6414e1a | 1418 | depends on HAS_IOPORT_MAP |
b868db94 AL |
1419 | select GPIOLIB_IRQCHIP |
1420 | help | |
1421 | This driver supports GPIO on the TQMX86 IO controller. | |
1422 | ||
e9d35947 DB |
1423 | config GPIO_TWL4030 |
1424 | tristate "TWL4030, TWL5030, and TPS659x0 GPIOs" | |
1425 | depends on TWL4030_CORE | |
1426 | help | |
1427 | Say yes here to access the GPIO signals of various multi-function | |
1428 | power management chips from Texas Instruments. | |
1429 | ||
70ffd691 PU |
1430 | config GPIO_TWL6040 |
1431 | tristate "TWL6040 GPO" | |
1432 | depends on TWL6040_CORE | |
1433 | help | |
1434 | Say yes here to access the GPO signals of twl6040 | |
1435 | audio chip from Texas Instruments. | |
1436 | ||
0ba19cfc BG |
1437 | config GPIO_WHISKEY_COVE |
1438 | tristate "GPIO support for Whiskey Cove PMIC" | |
b5238b41 | 1439 | depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC_BXTWC |
0ba19cfc BG |
1440 | select GPIOLIB_IRQCHIP |
1441 | help | |
1442 | Support for GPIO pins on Whiskey Cove PMIC. | |
1443 | ||
dd1695a2 | 1444 | Say Yes if you have an Intel SoC-based tablet with Whiskey Cove PMIC |
0ba19cfc BG |
1445 | inside. |
1446 | ||
1447 | This driver can also be built as a module. If so, the module will be | |
1448 | called gpio-wcove. | |
1449 | ||
e4b736f1 MB |
1450 | config GPIO_WM831X |
1451 | tristate "WM831x GPIOs" | |
1452 | depends on MFD_WM831X | |
1453 | help | |
1454 | Say yes here to access the GPIO signals of WM831x power management | |
1455 | chips from Wolfson Microelectronics. | |
1456 | ||
38f6ce45 MB |
1457 | config GPIO_WM8350 |
1458 | tristate "WM8350 GPIOs" | |
1459 | depends on MFD_WM8350 | |
1460 | help | |
1461 | Say yes here to access the GPIO signals of WM8350 power management | |
1462 | chips from Wolfson Microelectronics. | |
1463 | ||
2955c309 MB |
1464 | config GPIO_WM8994 |
1465 | tristate "WM8994 GPIOs" | |
1466 | depends on MFD_WM8994 | |
1467 | help | |
1468 | Say yes here to access the GPIO signals of WM8994 audio hub | |
1469 | CODECs from Wolfson Microelectronics. | |
1470 | ||
177b0381 | 1471 | endmenu |
ef72af40 | 1472 | |
177b0381 LW |
1473 | menu "PCI GPIO expanders" |
1474 | depends on PCI | |
459773ae | 1475 | |
92c33ef7 LW |
1476 | config GPIO_AMD8111 |
1477 | tristate "AMD 8111 GPIO driver" | |
72aba2e2 | 1478 | depends on X86 || COMPILE_TEST |
c6414e1a | 1479 | depends on HAS_IOPORT_MAP |
5e969a40 | 1480 | help |
dd1695a2 | 1481 | The AMD 8111 southbridge contains 32 GPIO pins which can be used. |
ff1d5c2f | 1482 | |
dd1695a2 RD |
1483 | Note that usually system firmware/ACPI handles GPIO pins on their |
1484 | own and users might easily break their systems with uncareful usage | |
92c33ef7 | 1485 | of this driver! |
5f0a96b0 | 1486 | |
92c33ef7 | 1487 | If unsure, say N |
5f0a96b0 | 1488 | |
ff1d5c2f MB |
1489 | config GPIO_BT8XX |
1490 | tristate "BT8XX GPIO abuser" | |
03744529 | 1491 | depends on VIDEO_BT848=n |
ff1d5c2f | 1492 | help |
22520edc | 1493 | The BT8xx frame grabber chip has 24 GPIO pins that can be abused |
ff1d5c2f MB |
1494 | as a cheap PCI GPIO card. |
1495 | ||
1496 | This chip can be found on Miro, Hauppauge and STB TV-cards. | |
1497 | ||
1498 | The card needs to be physically altered for using it as a | |
1499 | GPIO card. For more information on how to build a GPIO card | |
1500 | from a BT8xx TV card, see the documentation file at | |
5f07224e | 1501 | Documentation/driver-api/gpio/bt8xxgpio.rst |
ff1d5c2f MB |
1502 | |
1503 | If unsure, say N. | |
1504 | ||
ccf6fd6d AS |
1505 | config GPIO_MERRIFIELD |
1506 | tristate "Intel Merrifield GPIO support" | |
1507 | depends on X86_INTEL_MID | |
fc346270 | 1508 | select GPIOLIB_IRQCHIP |
8bf02617 | 1509 | help |
ccf6fd6d | 1510 | Say Y here to support Intel Merrifield GPIO. |
8bf02617 | 1511 | |
c78c42d7 SKR |
1512 | config GPIO_MLXBF |
1513 | tristate "Mellanox BlueField SoC GPIO" | |
cbe706b0 | 1514 | depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST) |
c78c42d7 SKR |
1515 | select GPIO_GENERIC |
1516 | help | |
1517 | Say Y here if you want GPIO support on Mellanox BlueField SoC. | |
1518 | ||
bc0ae0e7 AM |
1519 | config GPIO_MLXBF2 |
1520 | tristate "Mellanox BlueField 2 SoC GPIO" | |
1521 | depends on (MELLANOX_PLATFORM && ARM64 && ACPI) || (64BIT && COMPILE_TEST) | |
1522 | select GPIO_GENERIC | |
2f43f602 | 1523 | select GPIOLIB_IRQCHIP |
bc0ae0e7 AM |
1524 | help |
1525 | Say Y here if you want GPIO support on Mellanox BlueField 2 SoC. | |
1526 | ||
92c33ef7 LW |
1527 | config GPIO_ML_IOH |
1528 | tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support" | |
72aba2e2 | 1529 | depends on X86 || COMPILE_TEST |
92c33ef7 LW |
1530 | select GENERIC_IRQ_CHIP |
1531 | help | |
1532 | ML7213 is companion chip for Intel Atom E6xx series. | |
dd1695a2 RD |
1533 | This driver can be used for OKI SEMICONDUCTOR ML7213 IOH (Input/Output |
1534 | Hub) which is for IVI (In-Vehicle Infotainment) use. | |
92c33ef7 LW |
1535 | This driver can access the IOH's GPIO device. |
1536 | ||
04c17aa8 | 1537 | config GPIO_PCH |
dd1695a2 | 1538 | tristate "Intel EG20T PCH/LAPIS Semiconductor IOH (ML7223/ML7831) GPIO" |
03744529 | 1539 | depends on X86_32 || MIPS || COMPILE_TEST |
38eb18a6 | 1540 | select GENERIC_IRQ_CHIP |
04c17aa8 | 1541 | help |
dd1695a2 RD |
1542 | This driver is for PCH (Platform Controller Hub) GPIO of Intel Topcliff, |
1543 | which is an IOH (Input/Output Hub) for x86 embedded processor. | |
04c17aa8 TM |
1544 | This driver can access PCH GPIO device. |
1545 | ||
dd1695a2 | 1546 | This driver also can be used for LAPIS Semiconductor IOH (Input/ |
868fea05 | 1547 | Output Hub), ML7223 and ML7831. |
dd1695a2 | 1548 | ML7223 IOH is for MP (Media Phone) use. |
868fea05 TM |
1549 | ML7831 IOH is for general purpose use. |
1550 | ML7223/ML7831 is companion chip for Intel Atom E6xx series. | |
1551 | ML7223/ML7831 is completely compatible for Intel EG20T PCH. | |
bc786cce | 1552 | |
02e74fc0 WBG |
1553 | config GPIO_PCI_IDIO_16 |
1554 | tristate "ACCES PCI-IDIO-16 GPIO support" | |
1555 | select GPIOLIB_IRQCHIP | |
e7f758fa | 1556 | select GPIO_IDIO_16 |
02e74fc0 WBG |
1557 | help |
1558 | Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is | |
1559 | generated when any of the inputs change state (low to high or high to | |
1560 | low). Input filter control is not supported by this driver, and the | |
1561 | input filters are deactivated by this driver. | |
1562 | ||
58556204 WBG |
1563 | config GPIO_PCIE_IDIO_24 |
1564 | tristate "ACCES PCIe-IDIO-24 GPIO support" | |
1565 | select GPIOLIB_IRQCHIP | |
1566 | help | |
1567 | Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24, | |
1568 | PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated | |
1569 | when any of the inputs change state (low to high or high to low). | |
1570 | Input filter control is not supported by this driver, and the input | |
1571 | filters are deactivated by this driver. | |
1572 | ||
92c33ef7 LW |
1573 | config GPIO_RDC321X |
1574 | tristate "RDC R-321x GPIO support" | |
92c33ef7 LW |
1575 | select MFD_CORE |
1576 | select MFD_RDC321X | |
49a36793 | 1577 | help |
92c33ef7 LW |
1578 | Support for the RDC R321x SoC GPIOs over southbridge |
1579 | PCI configuration space. | |
49a36793 | 1580 | |
b43ab901 SAS |
1581 | config GPIO_SODAVILLE |
1582 | bool "Intel Sodaville GPIO support" | |
03744529 | 1583 | depends on X86 && OF |
b43ab901 SAS |
1584 | select GPIO_GENERIC |
1585 | select GENERIC_IRQ_CHIP | |
1586 | help | |
1587 | Say Y here to support Intel Sodaville GPIO. | |
1588 | ||
177b0381 | 1589 | endmenu |
35570ac6 | 1590 | |
177b0381 LW |
1591 | menu "SPI GPIO expanders" |
1592 | depends on SPI_MASTER | |
9956d02d | 1593 | |
a7ec2e7f LW |
1594 | config GPIO_74X164 |
1595 | tristate "74x164 serial-in/parallel-out 8-bits shift register" | |
048c28c9 | 1596 | depends on OF_GPIO |
a7ec2e7f LW |
1597 | help |
1598 | Driver for 74x164 compatible serial-in/parallel-out 8-outputs | |
1599 | shift registers. This driver can be used to provide access | |
dd1695a2 | 1600 | to more GPIO outputs. |
a9c5fff5 | 1601 | |
b2f68edf LW |
1602 | config GPIO_MAX3191X |
1603 | tristate "Maxim MAX3191x industrial serializer" | |
1604 | select CRC8 | |
1605 | help | |
1606 | GPIO driver for Maxim MAX31910, MAX31911, MAX31912, MAX31913, | |
1607 | MAX31953 and MAX31963 industrial serializer, a daisy-chainable | |
1608 | chip to make 8 digital 24V inputs available via SPI. Supports | |
1609 | CRC checksums to guard against electromagnetic interference, | |
1610 | as well as undervoltage and overtemperature detection. | |
1611 | ||
0c36ec31 JB |
1612 | config GPIO_MAX7301 |
1613 | tristate "Maxim MAX7301 GPIO expander" | |
e952805d | 1614 | select GPIO_MAX730X |
0c36ec31 | 1615 | help |
e952805d | 1616 | GPIO driver for Maxim MAX7301 SPI-based GPIO expander. |
0c36ec31 | 1617 | |
1e5db006 RR |
1618 | config GPIO_MC33880 |
1619 | tristate "Freescale MC33880 high-side/low-side switch" | |
1e5db006 RR |
1620 | help |
1621 | SPI driver for Freescale MC33880 high-side/low-side switch. | |
1622 | This provides GPIO interface supporting inputs and outputs. | |
1623 | ||
df6df93c AD |
1624 | config GPIO_PISOSR |
1625 | tristate "Generic parallel-in/serial-out shift register" | |
1626 | help | |
1627 | GPIO driver for SPI compatible parallel-in/serial-out shift | |
1628 | registers. These are input only devices. | |
1629 | ||
5704520d NH |
1630 | config GPIO_XRA1403 |
1631 | tristate "EXAR XRA1403 16-bit GPIO expander" | |
665dff99 | 1632 | select REGMAP_SPI |
5704520d NH |
1633 | help |
1634 | GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander. | |
1635 | ||
856ed97a MB |
1636 | config GPIO_MOXTET |
1637 | tristate "Turris Mox Moxtet bus GPIO expander" | |
1638 | depends on MOXTET | |
1639 | help | |
1640 | Say yes here if you are building for the Turris Mox router. | |
1641 | This is the driver needed for configuring the GPIOs via the Moxtet | |
1642 | bus. For example the Mox module with SFP cage needs this driver | |
1643 | so that phylink can use corresponding GPIOs. | |
1644 | ||
0963670a LW |
1645 | endmenu |
1646 | ||
177b0381 LW |
1647 | menu "USB GPIO expanders" |
1648 | depends on USB | |
9d5b72de LP |
1649 | |
1650 | config GPIO_VIPERBOARD | |
1651 | tristate "Viperboard GPIO a & b support" | |
03744529 | 1652 | depends on MFD_VIPERBOARD |
9d5b72de LP |
1653 | help |
1654 | Say yes here to access the GPIO signals of Nano River | |
1655 | Technologies Viperboard. There are two GPIO chips on the | |
1656 | board: gpioa and gpiob. | |
c42e34c9 EWI |
1657 | See viperboard API specification and Nano |
1658 | River Tech's viperboard.h for detailed meaning | |
1659 | of the module parameters. | |
9d5b72de | 1660 | |
177b0381 | 1661 | endmenu |
6732127f | 1662 | |
b5252196 EWI |
1663 | menu "Virtual GPIO drivers" |
1664 | ||
828546e2 GU |
1665 | config GPIO_AGGREGATOR |
1666 | tristate "GPIO Aggregator" | |
1667 | help | |
1668 | Say yes here to enable the GPIO Aggregator, which provides a way to | |
1669 | aggregate existing GPIO lines into a new virtual GPIO chip. | |
1670 | This can serve the following purposes: | |
1671 | - Assign permissions for a collection of GPIO lines to a user, | |
1672 | - Export a collection of GPIO lines to a virtual machine, | |
1673 | - Provide a generic driver for a GPIO-operated device in an | |
1674 | industrial control context, to be operated from userspace using | |
1675 | the GPIO chardev interface. | |
1676 | ||
1454a928 SH |
1677 | config GPIO_LATCH |
1678 | tristate "GPIO latch driver" | |
1679 | help | |
1680 | Say yes here to enable a driver for GPIO multiplexers based on latches | |
1681 | connected to other GPIOs. | |
1682 | ||
6e4484ee BG |
1683 | config GPIO_MOCKUP |
1684 | tristate "GPIO Testing Driver" | |
6e4484ee BG |
1685 | select IRQ_SIM |
1686 | help | |
1687 | This enables GPIO Testing driver, which provides a way to test GPIO | |
4bf24261 | 1688 | subsystem through sysfs (or char device) and debugfs. |
6e4484ee BG |
1689 | User could use it through the script in |
1690 | tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in | |
1691 | it. | |
1692 | ||
3a29355a VK |
1693 | config GPIO_VIRTIO |
1694 | tristate "VirtIO GPIO support" | |
1695 | depends on VIRTIO | |
eff5cdd7 | 1696 | select GPIOLIB_IRQCHIP |
3a29355a VK |
1697 | help |
1698 | Say Y here to enable guest support for virtio-based GPIO controllers. | |
1699 | ||
1700 | These virtual GPIOs can be routed to real GPIOs or attached to | |
1701 | simulators on the host (like QEMU). | |
1702 | ||
cb8c474e BG |
1703 | config GPIO_SIM |
1704 | tristate "GPIO Simulator Module" | |
1705 | select IRQ_SIM | |
1706 | select CONFIGFS_FS | |
1707 | help | |
1708 | This enables the GPIO simulator - a configfs-based GPIO testing | |
1709 | driver. | |
1710 | ||
b5252196 EWI |
1711 | endmenu |
1712 | ||
7444a72e | 1713 | endif |