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Commit | Line | Data |
---|---|---|
a9c5fff5 | 1 | # |
e849dc04 | 2 | # GPIO infrastructure and drivers |
a9c5fff5 DB |
3 | # |
4 | ||
7563bbf8 MB |
5 | config ARCH_HAVE_CUSTOM_GPIO_H |
6 | bool | |
7 | help | |
8 | Selecting this config option from the architecture Kconfig allows | |
9 | the architecture to provide a custom asm/gpio.h implementation | |
10 | overriding the default implementations. New uses of this are | |
11 | strongly discouraged. | |
12 | ||
7444a72e | 13 | config ARCH_WANT_OPTIONAL_GPIOLIB |
a9c5fff5 | 14 | bool |
7444a72e MB |
15 | help |
16 | Select this config option from the architecture Kconfig, if | |
17 | it is possible to use gpiolib on the architecture, but let the | |
18 | user decide whether to actually build it or not. | |
19 | Select this instead of ARCH_REQUIRE_GPIOLIB, if your architecture does | |
20 | not depend on GPIOs being available, but rather let the user | |
21 | decide whether he needs it or not. | |
22 | ||
23 | config ARCH_REQUIRE_GPIOLIB | |
24 | bool | |
25 | select GPIOLIB | |
a9c5fff5 DB |
26 | help |
27 | Platforms select gpiolib if they use this infrastructure | |
28 | for all their GPIOs, usually starting with ones integrated | |
29 | into SOC processors. | |
7444a72e MB |
30 | Selecting this from the architecture code will cause the gpiolib |
31 | code to always get built in. | |
32 | ||
7444a72e MB |
33 | |
34 | menuconfig GPIOLIB | |
35 | bool "GPIO Support" | |
36 | depends on ARCH_WANT_OPTIONAL_GPIOLIB || ARCH_REQUIRE_GPIOLIB | |
7444a72e MB |
37 | help |
38 | This enables GPIO support through the generic GPIO library. | |
39 | You only need to enable this, if you also want to enable | |
e849dc04 | 40 | one or more of the GPIO drivers below. |
7444a72e MB |
41 | |
42 | If unsure, say N. | |
a9c5fff5 | 43 | |
7444a72e | 44 | if GPIOLIB |
a9c5fff5 | 45 | |
b69ac524 AC |
46 | config GPIO_DEVRES |
47 | def_bool y | |
48 | depends on HAS_IOMEM | |
49 | ||
f141ed65 GL |
50 | config OF_GPIO |
51 | def_bool y | |
afe760e4 | 52 | depends on OF |
f141ed65 | 53 | |
e29482e8 MN |
54 | config GPIO_ACPI |
55 | def_bool y | |
56 | depends on ACPI | |
57 | ||
14250520 LW |
58 | config GPIOLIB_IRQCHIP |
59 | bool | |
60 | ||
a9c5fff5 DB |
61 | config DEBUG_GPIO |
62 | bool "Debug GPIO calls" | |
63 | depends on DEBUG_KERNEL | |
64 | help | |
65 | Say Y here to add some extra checks and diagnostics to GPIO calls. | |
692105b8 ML |
66 | These checks help ensure that GPIOs have been properly initialized |
67 | before they are used, and that sleeping calls are not made from | |
68 | non-sleeping contexts. They can make bitbanged serial protocols | |
a9c5fff5 DB |
69 | slower. The diagnostics help catch the type of setup errors |
70 | that are most common when setting up new platforms or boards. | |
71 | ||
d8f388d8 DB |
72 | config GPIO_SYSFS |
73 | bool "/sys/class/gpio/... (sysfs interface)" | |
4c0ea233 | 74 | depends on SYSFS |
d8f388d8 DB |
75 | help |
76 | Say Y here to add a sysfs interface for GPIOs. | |
77 | ||
78 | This is mostly useful to work around omissions in a system's | |
79 | kernel support. Those are common in custom and semicustom | |
80 | hardware assembled using standard kernels with a minimum of | |
81 | custom patches. In those cases, userspace code may import | |
82 | a given GPIO from the kernel, if no kernel driver requested it. | |
83 | ||
84 | Kernel drivers may also request that a particular GPIO be | |
85 | exported to userspace; this can be useful when debugging. | |
86 | ||
c103de24 GL |
87 | config GPIO_GENERIC |
88 | tristate | |
89 | ||
e849dc04 | 90 | # put drivers in the right section, in alphabetical order |
a9c5fff5 | 91 | |
07bfc915 | 92 | config GPIO_DA9052 |
93 | tristate "Dialog DA9052 GPIO" | |
1c4fe3aa | 94 | depends on PMIC_DA9052 |
07bfc915 | 95 | help |
96 | Say yes here to enable the GPIO driver for the DA9052 chip. | |
97 | ||
04ed4279 AJ |
98 | config GPIO_DA9055 |
99 | tristate "Dialog Semiconductor DA9055 GPIO" | |
100 | depends on MFD_DA9055 | |
101 | help | |
102 | Say yes here to enable the GPIO driver for the DA9055 chip. | |
103 | ||
104 | The Dialog DA9055 PMIC chip has 3 GPIO pins that can be | |
105 | be controller by this driver. | |
106 | ||
107 | If driver is built as a module it will be called gpio-da9055. | |
108 | ||
e952805d WS |
109 | config GPIO_MAX730X |
110 | tristate | |
111 | ||
e849dc04 | 112 | comment "Memory mapped GPIO drivers:" |
0bcb6069 | 113 | |
a3b8d4a5 | 114 | config GPIO_CLPS711X |
55fe14ab | 115 | tristate "CLPS711X GPIO support" |
ffd4bf1a | 116 | depends on ARCH_CLPS711X || COMPILE_TEST |
55fe14ab AS |
117 | select GPIO_GENERIC |
118 | help | |
119 | Say yes here to support GPIO on CLPS711X SoCs. | |
a3b8d4a5 | 120 | |
ee89cf63 GS |
121 | config GPIO_DAVINCI |
122 | bool "TI Davinci/Keystone GPIO support" | |
123 | default y if ARCH_DAVINCI | |
124 | depends on ARM && (ARCH_DAVINCI || ARCH_KEYSTONE) | |
125 | help | |
126 | Say yes here to enable GPIO support for TI Davinci/Keystone SoCs. | |
127 | ||
c103de24 GL |
128 | config GPIO_GENERIC_PLATFORM |
129 | tristate "Generic memory-mapped GPIO controller support (MMIO platform device)" | |
130 | select GPIO_GENERIC | |
aeec56e3 | 131 | help |
c103de24 | 132 | Say yes here to support basic platform_device memory-mapped GPIO controllers. |
aeec56e3 | 133 | |
7779b345 JI |
134 | config GPIO_DWAPB |
135 | tristate "Synopsys DesignWare APB GPIO driver" | |
136 | select GPIO_GENERIC | |
137 | select GENERIC_IRQ_CHIP | |
c7861f37 | 138 | depends on OF_GPIO |
7779b345 JI |
139 | help |
140 | Say Y or M here to build support for the Synopsys DesignWare APB | |
141 | GPIO block. | |
142 | ||
9cc0cb3c DT |
143 | config GPIO_IT8761E |
144 | tristate "IT8761E GPIO support" | |
265fe02b | 145 | depends on X86 # unconditional access to IO space. |
9cc0cb3c DT |
146 | help |
147 | Say yes here to support GPIO functionality of IT8761E super I/O chip. | |
148 | ||
a07e103e MD |
149 | config GPIO_EM |
150 | tristate "Emma Mobile GPIO" | |
b5927854 | 151 | depends on ARM && OF_GPIO |
a07e103e MD |
152 | help |
153 | Say yes here to support GPIO on Renesas Emma Mobile SoCs. | |
154 | ||
c6b52c13 HS |
155 | config GPIO_EP93XX |
156 | def_bool y | |
157 | depends on ARCH_EP93XX | |
1e4c8842 | 158 | select GPIO_GENERIC |
c6b52c13 | 159 | |
9af4d80b FV |
160 | config GPIO_ZEVIO |
161 | bool "LSI ZEVIO SoC memory mapped GPIOs" | |
feabf0cd | 162 | depends on ARM && OF_GPIO |
9af4d80b FV |
163 | help |
164 | Say yes here to support the GPIO controller in LSI ZEVIO SoCs. | |
165 | ||
5238f7bc JC |
166 | config GPIO_MM_LANTIQ |
167 | bool "Lantiq Memory mapped GPIOs" | |
168 | depends on LANTIQ && SOC_XWAY | |
169 | help | |
170 | This enables support for memory mapped GPIOs on the External Bus Unit | |
171 | (EBU) found on Lantiq SoCs. The gpios are output only as they are | |
172 | created by attaching a 16bit latch to the bus. | |
173 | ||
6c17aa01 SG |
174 | config GPIO_F7188X |
175 | tristate "F71882FG and F71889F GPIO support" | |
176 | depends on X86 | |
177 | help | |
178 | This option enables support for GPIOs found on Fintek Super-I/O | |
179 | chips F71882FG and F71889F. | |
180 | ||
181 | To compile this driver as a module, choose M here: the module will | |
182 | be called f7188x-gpio. | |
183 | ||
0299b77b JJ |
184 | config GPIO_MOXART |
185 | bool "MOXART GPIO support" | |
186 | depends on ARCH_MOXART | |
187 | help | |
188 | Select this option to enable GPIO driver for | |
189 | MOXA ART SoC devices. | |
190 | ||
6eae1ace GL |
191 | config GPIO_MPC5200 |
192 | def_bool y | |
193 | depends on PPC_MPC52xx | |
194 | ||
c68308dd WS |
195 | config GPIO_MPC8XXX |
196 | bool "MPC512x/MPC8xxx GPIO support" | |
197 | depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ | |
198 | FSL_SOC_BOOKE || PPC_86xx | |
199 | help | |
200 | Say Y here if you're going to use hardware that connects to the | |
201 | MPC512x/831x/834x/837x/8572/8610 GPIOs. | |
202 | ||
74d10d74 DB |
203 | config GPIO_MSM_V1 |
204 | tristate "Qualcomm MSM GPIO v1" | |
afcc0f8c | 205 | depends on GPIOLIB && ARCH_MSM && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50) |
74d10d74 DB |
206 | help |
207 | Say yes here to support the GPIO interface on ARM v6 based | |
208 | Qualcomm MSM chips. Most of the pins on the MSM can be | |
209 | selected for GPIO, and are controlled by this driver. | |
210 | ||
1a5ab4b3 DB |
211 | config GPIO_MSM_V2 |
212 | tristate "Qualcomm MSM GPIO v2" | |
add798a4 | 213 | depends on GPIOLIB && OF && ARCH_QCOM |
1a5ab4b3 DB |
214 | help |
215 | Say yes here to support the GPIO interface on ARM v7 based | |
216 | Qualcomm MSM chips. Most of the pins on the MSM can be | |
217 | selected for GPIO, and are controlled by this driver. | |
218 | ||
fefe7b09 TP |
219 | config GPIO_MVEBU |
220 | def_bool y | |
49e928d6 | 221 | depends on PLAT_ORION |
bc1008cf | 222 | depends on OF |
fefe7b09 TP |
223 | select GPIO_GENERIC |
224 | select GENERIC_IRQ_CHIP | |
225 | ||
d37a65bb SG |
226 | config GPIO_MXC |
227 | def_bool y | |
228 | depends on ARCH_MXC | |
c103de24 | 229 | select GPIO_GENERIC |
e4ea9333 | 230 | select GENERIC_IRQ_CHIP |
c103de24 GL |
231 | |
232 | config GPIO_MXS | |
233 | def_bool y | |
234 | depends on ARCH_MXS | |
06f88a8a | 235 | select GPIO_GENERIC |
498c17cf | 236 | select GENERIC_IRQ_CHIP |
d37a65bb | 237 | |
aca58a66 DD |
238 | config GPIO_OCTEON |
239 | tristate "Cavium OCTEON GPIO" | |
240 | depends on GPIOLIB && CAVIUM_OCTEON_SOC | |
241 | default y | |
242 | help | |
243 | Say yes here to support the on-chip GPIO lines on the OCTEON | |
244 | family of SOCs. | |
245 | ||
1e9c2859 BS |
246 | config GPIO_PL061 |
247 | bool "PrimeCell PL061 GPIO support" | |
8a242842 | 248 | depends on ARM_AMBA |
a5d6d271 | 249 | select IRQ_DOMAIN |
8d5b24bd | 250 | select GPIOLIB_IRQCHIP |
1e9c2859 BS |
251 | help |
252 | Say yes here to support the PrimeCell PL061 GPIO device | |
253 | ||
157d2644 HZ |
254 | config GPIO_PXA |
255 | bool "PXA GPIO support" | |
256 | depends on ARCH_PXA || ARCH_MMP | |
257 | help | |
258 | Say yes here to support the PXA GPIO device | |
259 | ||
119f5e44 MD |
260 | config GPIO_RCAR |
261 | tristate "Renesas R-Car GPIO" | |
262 | depends on ARM | |
263 | help | |
264 | Say yes here to support GPIO on Renesas R-Car SoCs. | |
265 | ||
880cf071 TF |
266 | config GPIO_SAMSUNG |
267 | bool | |
268 | depends on PLAT_SAMSUNG | |
269 | help | |
270 | Legacy GPIO support. Use only for platforms without support for | |
271 | pinctrl. | |
272 | ||
12262bef BR |
273 | config GPIO_SCH311X |
274 | tristate "SMSC SCH311x SuperI/O GPIO" | |
275 | help | |
276 | Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and | |
277 | SCH3116 "Super I/O" chipsets. | |
278 | ||
279 | To compile this driver as a module, choose M here: the module will | |
280 | be called gpio-sch311x. | |
281 | ||
b53bc281 SH |
282 | config GPIO_SPEAR_SPICS |
283 | bool "ST SPEAr13xx SPI Chip Select as GPIO support" | |
284 | depends on PLAT_SPEAR | |
285 | select GENERIC_IRQ_CHIP | |
286 | help | |
287 | Say yes here to support ST SPEAr SPI Chip Select as GPIO device | |
288 | ||
7b0d44f3 AR |
289 | config GPIO_STA2X11 |
290 | bool "STA2x11/ConneXt GPIO support" | |
291 | depends on MFD_STA2X11 | |
292 | select GENERIC_IRQ_CHIP | |
293 | help | |
294 | Say yes here to support the STA2x11/ConneXt GPIO device. | |
295 | The GPIO module has 128 GPIO pins with alternate functions. | |
296 | ||
6a8a0c1d AS |
297 | config GPIO_SYSCON |
298 | tristate "GPIO based on SYSCON" | |
299 | depends on MFD_SYSCON && OF | |
300 | help | |
301 | Say yes here to support GPIO functionality though SYSCON driver. | |
302 | ||
759f5f37 VD |
303 | config GPIO_TS5500 |
304 | tristate "TS-5500 DIO blocks and compatibles" | |
f29b9d13 | 305 | depends on TS5500 || COMPILE_TEST |
759f5f37 VD |
306 | help |
307 | This driver supports Digital I/O exposed by pin blocks found on some | |
308 | Technologic Systems platforms. It includes, but is not limited to, 3 | |
309 | blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600 | |
310 | LCD port. | |
311 | ||
9caf1f22 JH |
312 | config GPIO_TZ1090 |
313 | bool "Toumaz Xenif TZ1090 GPIO support" | |
314 | depends on SOC_TZ1090 | |
04777396 | 315 | select GENERIC_IRQ_CHIP |
9caf1f22 JH |
316 | default y |
317 | help | |
318 | Say yes here to support Toumaz Xenif TZ1090 GPIOs. | |
319 | ||
79bb6460 JH |
320 | config GPIO_TZ1090_PDC |
321 | bool "Toumaz Xenif TZ1090 PDC GPIO support" | |
322 | depends on SOC_TZ1090 | |
323 | default y | |
324 | help | |
325 | Say yes here to support Toumaz Xenif TZ1090 PDC GPIOs. | |
326 | ||
0bcb6069 JL |
327 | config GPIO_XILINX |
328 | bool "Xilinx GPIO support" | |
78c7d8d2 | 329 | depends on PPC_OF || MICROBLAZE || ARCH_ZYNQ |
0bcb6069 JL |
330 | help |
331 | Say yes here to support the Xilinx FPGA GPIO device | |
332 | ||
3b31d0ec BS |
333 | config GPIO_XTENSA |
334 | bool "Xtensa GPIO32 support" | |
335 | depends on XTENSA | |
a1a2bdec | 336 | depends on HAVE_XTENSA_GPIO32 |
3b31d0ec BS |
337 | depends on !SMP |
338 | help | |
339 | Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input) | |
340 | and EXPSTATE (output) ports | |
341 | ||
27fdd325 YY |
342 | config GPIO_VR41XX |
343 | tristate "NEC VR4100 series General-purpose I/O Uint support" | |
344 | depends on CPU_VR41XX | |
345 | help | |
346 | Say yes here to support the NEC VR4100 series General-purpose I/O Uint | |
347 | ||
be9b06b2 | 348 | config GPIO_SCH |
77820ffa | 349 | tristate "Intel SCH/TunnelCreek/Centerton GPIO" |
6cff9e2b | 350 | depends on PCI && X86 |
860fb8c1 | 351 | select MFD_CORE |
be9b06b2 DT |
352 | select LPC_SCH |
353 | help | |
77820ffa SH |
354 | Say yes here to support GPIO interface on Intel Poulsbo SCH, |
355 | Intel Tunnel Creek processor or Intel Centerton processor. | |
be9b06b2 DT |
356 | The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are |
357 | powered by the core power rail and are turned off during sleep | |
358 | modes (S3 and higher). The remaining four GPIOs are powered by | |
359 | the Intel SCH suspend power supply. These GPIOs remain | |
360 | active during S3. The suspend powered GPIOs can be used to wake the | |
361 | system from the Suspend-to-RAM state. | |
f04ddfcd DT |
362 | The Intel Tunnel Creek processor has 5 GPIOs powered by the |
363 | core power rail and 9 from suspend power supply. | |
77820ffa SH |
364 | The Intel Centerton processor has a total of 30 GPIO pins. |
365 | Twenty-one are powered by the core power rail and 9 from the | |
366 | suspend power supply. | |
be9b06b2 | 367 | |
6ed9f9c4 PT |
368 | config GPIO_ICH |
369 | tristate "Intel ICH GPIO" | |
370 | depends on PCI && X86 | |
371 | select MFD_CORE | |
372 | select LPC_ICH | |
373 | help | |
374 | Say yes here to support the GPIO functionality of a number of Intel | |
375 | ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8 | |
376 | ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg | |
377 | Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake). | |
378 | ||
379 | If unsure, say N. | |
be9b06b2 | 380 | |
e9004f50 LW |
381 | config GPIO_IOP |
382 | tristate "Intel IOP GPIO" | |
383 | depends on ARM && (ARCH_IOP32X || ARCH_IOP33X) | |
384 | help | |
385 | Say yes here to support the GPIO functionality of a number of Intel | |
386 | IOP32X or IOP33X. | |
387 | ||
388 | If unsure, say N. | |
be9b06b2 | 389 | |
99ea2626 DD |
390 | config GPIO_VX855 |
391 | tristate "VIA VX855/VX875 GPIO" | |
0244ad00 | 392 | depends on PCI |
99ea2626 DD |
393 | select MFD_CORE |
394 | select MFD_VX855 | |
395 | help | |
396 | Support access to the VX855/VX875 GPIO lines through the gpio library. | |
397 | ||
398 | This driver provides common support for accessing the device, | |
399 | additional drivers must be enabled in order to use the | |
400 | functionality of the device. | |
401 | ||
6518bb69 MW |
402 | config GPIO_GE_FPGA |
403 | bool "GE FPGA based GPIO" | |
404 | depends on GE_FPGA | |
405 | help | |
406 | Support for common GPIO functionality provided on some GE Single Board | |
407 | Computers. | |
408 | ||
409 | This driver provides basic support (configure as input or output, read | |
410 | and write pin state) for GPIO implemented in a number of GE single | |
411 | board computers. | |
412 | ||
1d09aaa6 | 413 | config GPIO_LYNXPOINT |
d463c6ff | 414 | tristate "Intel Lynxpoint GPIO support" |
977d16b8 | 415 | depends on ACPI && X86 |
1d09aaa6 MN |
416 | select IRQ_DOMAIN |
417 | help | |
418 | driver for GPIO functionality on Intel Lynxpoint PCH chipset | |
419 | Requires ACPI device enumeration code to set up a platform device. | |
420 | ||
ddb27f3b AL |
421 | config GPIO_GRGPIO |
422 | tristate "Aeroflex Gaisler GRGPIO support" | |
423 | depends on OF | |
424 | select GPIO_GENERIC | |
425 | select IRQ_DOMAIN | |
426 | help | |
427 | Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB | |
428 | VHDL IP core library. | |
429 | ||
c6ce2b6b CR |
430 | config GPIO_TB10X |
431 | bool | |
90d16a43 | 432 | select GENERIC_IRQ_CHIP |
c6ce2b6b CR |
433 | select OF_GPIO |
434 | ||
a9c5fff5 DB |
435 | comment "I2C GPIO expanders:" |
436 | ||
31ba56f2 MB |
437 | config GPIO_ARIZONA |
438 | tristate "Wolfson Microelectronics Arizona class devices" | |
439 | depends on MFD_ARIZONA | |
440 | help | |
441 | Support for GPIOs on Wolfson Arizona class devices. | |
442 | ||
0cc59b9d MK |
443 | config GPIO_LP3943 |
444 | tristate "TI/National Semiconductor LP3943 GPIO expander" | |
445 | depends on MFD_LP3943 | |
446 | help | |
447 | GPIO driver for LP3943 MFD. | |
448 | LP3943 can be used as a GPIO expander which provides up to 16 GPIOs. | |
449 | Open drain outputs are required for this usage. | |
450 | ||
e952805d WS |
451 | config GPIO_MAX7300 |
452 | tristate "Maxim MAX7300 GPIO expander" | |
453 | depends on I2C | |
454 | select GPIO_MAX730X | |
455 | help | |
2b861f4b | 456 | GPIO driver for Maxim MAX7300 I2C-based GPIO expander. |
e952805d | 457 | |
bbcd6d54 EM |
458 | config GPIO_MAX732X |
459 | tristate "MAX7319, MAX7320-7327 I2C Port Expanders" | |
460 | depends on I2C | |
461 | help | |
462 | Say yes here to support the MAX7319, MAX7320-7327 series of I2C | |
463 | Port Expanders. Each IO port on these chips has a fixed role of | |
464 | Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain | |
465 | Input and Output (designed by 'P'). The combinations are listed | |
466 | below: | |
467 | ||
468 | 8 bits: max7319 (8I), max7320 (8O), max7321 (8P), | |
469 | max7322 (4I4O), max7323 (4P4O) | |
470 | ||
471 | 16 bits: max7324 (8I8O), max7325 (8P8O), | |
472 | max7326 (4I12O), max7327 (4P12O) | |
473 | ||
474 | Board setup code must specify the model to use, and the start | |
475 | number for these GPIOs. | |
476 | ||
a80a0bbe MZ |
477 | config GPIO_MAX732X_IRQ |
478 | bool "Interrupt controller support for MAX732x" | |
0244ad00 | 479 | depends on GPIO_MAX732X=y |
a80a0bbe MZ |
480 | help |
481 | Say yes here to enable the max732x to be used as an interrupt | |
482 | controller. It requires the driver to be built in the kernel. | |
483 | ||
608589b1 | 484 | config GPIO_MC9S08DZ60 |
485 | bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions" | |
4c30aa33 | 486 | depends on I2C=y && MACH_MX35_3DS |
608589b1 | 487 | help |
488 | Select this to enable the MC9S08DZ60 GPIO driver | |
489 | ||
f3dc3630 | 490 | config GPIO_PCA953X |
eb32b5aa | 491 | tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports" |
9e60fdcf | 492 | depends on I2C |
493 | help | |
7059d4b0 DB |
494 | Say yes here to provide access to several register-oriented |
495 | SMBus I/O expanders, made mostly by NXP or TI. Compatible | |
496 | models include: | |
497 | ||
498 | 4 bits: pca9536, pca9537 | |
499 | ||
c29985dd | 500 | 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554, |
e73760a6 | 501 | pca9556, pca9557, pca9574, tca6408, xra1202 |
7059d4b0 | 502 | |
c29985dd AL |
503 | 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575, |
504 | tca6416 | |
9e60fdcf | 505 | |
1e191695 AS |
506 | 24 bits: tca6424 |
507 | ||
eb32b5aa | 508 | 40 bits: pca9505, pca9698 |
1e191695 | 509 | |
89ea8bbe MZ |
510 | config GPIO_PCA953X_IRQ |
511 | bool "Interrupt controller support for PCA953x" | |
512 | depends on GPIO_PCA953X=y | |
513 | help | |
514 | Say yes here to enable the pca953x to be used as an interrupt | |
515 | controller. It requires the driver to be built in the kernel. | |
516 | ||
15fae37d | 517 | config GPIO_PCF857X |
1673ad52 | 518 | tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders" |
15fae37d | 519 | depends on I2C |
901acf5b | 520 | select IRQ_DOMAIN |
15fae37d DB |
521 | help |
522 | Say yes here to provide access to most "quasi-bidirectional" I2C | |
523 | GPIO expanders used for additional digital outputs or inputs. | |
524 | Most of these parts are from NXP, though TI is a second source for | |
525 | some of them. Compatible models include: | |
526 | ||
527 | 8 bits: pcf8574, pcf8574a, pca8574, pca8574a, | |
1673ad52 DB |
528 | pca9670, pca9672, pca9674, pca9674a, |
529 | max7328, max7329 | |
15fae37d DB |
530 | |
531 | 16 bits: pcf8575, pcf8575c, pca8575, | |
532 | pca9671, pca9673, pca9675 | |
533 | ||
534 | Your board setup code will need to declare the expanders in | |
535 | use, and assign numbers to the GPIOs they expose. Those GPIOs | |
536 | can then be used from drivers and other kernel code, just like | |
537 | other GPIOs, but only accessible from task contexts. | |
538 | ||
539 | This driver provides an in-kernel interface to those GPIOs using | |
540 | platform-neutral GPIO calls. | |
541 | ||
e9fe32bc LD |
542 | config GPIO_RC5T583 |
543 | bool "RICOH RC5T583 GPIO" | |
544 | depends on MFD_RC5T583 | |
545 | help | |
546 | Select this option to enable GPIO driver for the Ricoh RC5T583 | |
547 | chip family. | |
548 | This driver provides the support for driving/reading the gpio pins | |
549 | of RC5T583 device through standard gpio library. | |
550 | ||
c34f16b7 GB |
551 | config GPIO_SX150X |
552 | bool "Semtech SX150x I2C GPIO expander" | |
553 | depends on I2C=y | |
554 | default n | |
555 | help | |
556 | Say yes here to provide support for Semtech SX150-series I2C | |
557 | GPIO expanders. Compatible models include: | |
558 | ||
559 | 8 bits: sx1508q | |
560 | 16 bits: sx1509q | |
561 | ||
03f822f5 RV |
562 | config GPIO_STMPE |
563 | bool "STMPE GPIOs" | |
564 | depends on MFD_STMPE | |
565 | help | |
566 | This enables support for the GPIOs found on the STMPE I/O | |
567 | Expanders. | |
568 | ||
5238f7bc JC |
569 | config GPIO_STP_XWAY |
570 | bool "XWAY STP GPIOs" | |
571 | depends on SOC_XWAY | |
572 | help | |
573 | This enables support for the Serial To Parallel (STP) unit found on | |
574 | XWAY SoC. The STP allows the SoC to drive a shift registers cascade, | |
575 | that can be up to 24 bit. This peripheral is aimed at driving leds. | |
576 | Some of the gpios/leds can be auto updated by the soc with dsl and | |
577 | phy status. | |
578 | ||
f4e8afdc SI |
579 | config GPIO_TC3589X |
580 | bool "TC3589X GPIOs" | |
581 | depends on MFD_TC3589X | |
d88b25be | 582 | help |
f4e8afdc | 583 | This enables support for the GPIOs found on the TC3589X |
d88b25be RV |
584 | I/O Expander. |
585 | ||
668a6cc7 MO |
586 | config GPIO_TPS65912 |
587 | tristate "TI TPS65912 GPIO" | |
588 | depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI) | |
589 | help | |
590 | This driver supports TPS65912 gpio chip | |
591 | ||
e9d35947 DB |
592 | config GPIO_TWL4030 |
593 | tristate "TWL4030, TWL5030, and TPS659x0 GPIOs" | |
594 | depends on TWL4030_CORE | |
595 | help | |
596 | Say yes here to access the GPIO signals of various multi-function | |
597 | power management chips from Texas Instruments. | |
598 | ||
70ffd691 PU |
599 | config GPIO_TWL6040 |
600 | tristate "TWL6040 GPO" | |
601 | depends on TWL6040_CORE | |
602 | help | |
603 | Say yes here to access the GPO signals of twl6040 | |
604 | audio chip from Texas Instruments. | |
605 | ||
e4b736f1 MB |
606 | config GPIO_WM831X |
607 | tristate "WM831x GPIOs" | |
608 | depends on MFD_WM831X | |
609 | help | |
610 | Say yes here to access the GPIO signals of WM831x power management | |
611 | chips from Wolfson Microelectronics. | |
612 | ||
38f6ce45 MB |
613 | config GPIO_WM8350 |
614 | tristate "WM8350 GPIOs" | |
615 | depends on MFD_WM8350 | |
616 | help | |
617 | Say yes here to access the GPIO signals of WM8350 power management | |
618 | chips from Wolfson Microelectronics. | |
619 | ||
2955c309 MB |
620 | config GPIO_WM8994 |
621 | tristate "WM8994 GPIOs" | |
622 | depends on MFD_WM8994 | |
623 | help | |
624 | Say yes here to access the GPIO signals of WM8994 audio hub | |
625 | CODECs from Wolfson Microelectronics. | |
626 | ||
ef72af40 MH |
627 | config GPIO_ADP5520 |
628 | tristate "GPIO Support for ADP5520 PMIC" | |
629 | depends on PMIC_ADP5520 | |
630 | help | |
631 | This option enables support for on-chip GPIO found | |
632 | on Analog Devices ADP5520 PMICs. | |
633 | ||
80884094 MH |
634 | config GPIO_ADP5588 |
635 | tristate "ADP5588 I2C GPIO expander" | |
636 | depends on I2C | |
637 | help | |
638 | This option enables support for 18 GPIOs found | |
639 | on Analog Devices ADP5588 GPIO Expanders. | |
80884094 | 640 | |
459773ae MH |
641 | config GPIO_ADP5588_IRQ |
642 | bool "Interrupt controller support for ADP5588" | |
643 | depends on GPIO_ADP5588=y | |
644 | help | |
645 | Say yes here to enable the adp5588 to be used as an interrupt | |
646 | controller. It requires the driver to be built in the kernel. | |
647 | ||
5e969a40 TR |
648 | config GPIO_ADNP |
649 | tristate "Avionic Design N-bit GPIO expander" | |
cb144fe8 | 650 | depends on I2C && OF_GPIO |
5e969a40 TR |
651 | help |
652 | This option enables support for N GPIOs found on Avionic Design | |
653 | I2C GPIO expanders. The register space will be extended by powers | |
e41e85cc | 654 | of two, so the controller will need to accommodate for that. For |
5e969a40 TR |
655 | example: if a controller provides 48 pins, 6 registers will be |
656 | enough to represent all pins, but the driver will assume a | |
657 | register layout for 64 pins (8 registers). | |
658 | ||
ff1d5c2f MB |
659 | comment "PCI GPIO expanders:" |
660 | ||
5f0a96b0 AS |
661 | config GPIO_CS5535 |
662 | tristate "AMD CS5535/CS5536 GPIO support" | |
5da82cac | 663 | depends on MFD_CS5535 |
5f0a96b0 AS |
664 | help |
665 | The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that | |
666 | can be used for quite a number of things. The CS5535/6 is found on | |
667 | AMD Geode and Lemote Yeeloong devices. | |
668 | ||
669 | If unsure, say N. | |
670 | ||
ff1d5c2f MB |
671 | config GPIO_BT8XX |
672 | tristate "BT8XX GPIO abuser" | |
673 | depends on PCI && VIDEO_BT848=n | |
674 | help | |
22520edc | 675 | The BT8xx frame grabber chip has 24 GPIO pins that can be abused |
ff1d5c2f MB |
676 | as a cheap PCI GPIO card. |
677 | ||
678 | This chip can be found on Miro, Hauppauge and STB TV-cards. | |
679 | ||
680 | The card needs to be physically altered for using it as a | |
681 | GPIO card. For more information on how to build a GPIO card | |
682 | from a BT8xx TV card, see the documentation file at | |
683 | Documentation/bt8xxgpio.txt | |
684 | ||
685 | If unsure, say N. | |
686 | ||
f942a7de DB |
687 | config GPIO_AMD8111 |
688 | tristate "AMD 8111 GPIO driver" | |
689 | depends on PCI | |
690 | help | |
691 | The AMD 8111 south bridge contains 32 GPIO pins which can be used. | |
692 | ||
693 | Note, that usually system firmware/ACPI handles GPIO pins on their | |
694 | own and users might easily break their systems with uncarefull usage | |
695 | of this driver! | |
696 | ||
697 | If unsure, say N | |
698 | ||
84743ea3 DC |
699 | config GPIO_INTEL_MID |
700 | bool "Intel Mid GPIO support" | |
61ab3fe5 | 701 | depends on PCI && X86 |
465f2bd4 | 702 | select IRQ_DOMAIN |
8bf02617 | 703 | help |
84743ea3 | 704 | Say Y here to support Intel Mid GPIO. |
8bf02617 | 705 | |
04c17aa8 | 706 | config GPIO_PCH |
868fea05 | 707 | tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO" |
61ab3fe5 | 708 | depends on PCI && X86 |
38eb18a6 | 709 | select GENERIC_IRQ_CHIP |
04c17aa8 TM |
710 | help |
711 | This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff | |
712 | which is an IOH(Input/Output Hub) for x86 embedded processor. | |
713 | This driver can access PCH GPIO device. | |
714 | ||
868fea05 TM |
715 | This driver also can be used for LAPIS Semiconductor IOH(Input/ |
716 | Output Hub), ML7223 and ML7831. | |
bc786cce | 717 | ML7223 IOH is for MP(Media Phone) use. |
868fea05 TM |
718 | ML7831 IOH is for general purpose use. |
719 | ML7223/ML7831 is companion chip for Intel Atom E6xx series. | |
720 | ML7223/ML7831 is completely compatible for Intel EG20T PCH. | |
bc786cce | 721 | |
49a36793 TM |
722 | config GPIO_ML_IOH |
723 | tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support" | |
724 | depends on PCI | |
54be5663 | 725 | select GENERIC_IRQ_CHIP |
49a36793 TM |
726 | help |
727 | ML7213 is companion chip for Intel Atom E6xx series. | |
728 | This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output | |
729 | Hub) which is for IVI(In-Vehicle Infotainment) use. | |
730 | This driver can access the IOH's GPIO device. | |
731 | ||
b43ab901 SAS |
732 | config GPIO_SODAVILLE |
733 | bool "Intel Sodaville GPIO support" | |
3ffc9ceb | 734 | depends on X86 && PCI && OF |
b43ab901 SAS |
735 | select GPIO_GENERIC |
736 | select GENERIC_IRQ_CHIP | |
737 | help | |
738 | Say Y here to support Intel Sodaville GPIO. | |
739 | ||
35570ac6 RR |
740 | config GPIO_TIMBERDALE |
741 | bool "Support for timberdale GPIO IP" | |
6cff9e2b | 742 | depends on MFD_TIMBERDALE && HAS_IOMEM |
35570ac6 RR |
743 | ---help--- |
744 | Add support for the GPIO IP in the timberdale FPGA. | |
745 | ||
9956d02d FF |
746 | config GPIO_RDC321X |
747 | tristate "RDC R-321x GPIO support" | |
0244ad00 | 748 | depends on PCI |
e4be3cb7 | 749 | select MFD_CORE |
9956d02d FF |
750 | select MFD_RDC321X |
751 | help | |
752 | Support for the RDC R321x SoC GPIOs over southbridge | |
753 | PCI configuration space. | |
754 | ||
a9c5fff5 DB |
755 | comment "SPI GPIO expanders:" |
756 | ||
0c36ec31 JB |
757 | config GPIO_MAX7301 |
758 | tristate "Maxim MAX7301 GPIO expander" | |
759 | depends on SPI_MASTER | |
e952805d | 760 | select GPIO_MAX730X |
0c36ec31 | 761 | help |
e952805d | 762 | GPIO driver for Maxim MAX7301 SPI-based GPIO expander. |
0c36ec31 | 763 | |
e58b9e27 | 764 | config GPIO_MCP23S08 |
752ad5e8 | 765 | tristate "Microchip MCP23xxx I/O expander" |
8e509660 | 766 | depends on OF_GPIO |
0f119a84 | 767 | depends on (SPI_MASTER && !I2C) || I2C |
e58b9e27 | 768 | help |
752ad5e8 PK |
769 | SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017 |
770 | I/O expanders. | |
0b7bb77f | 771 | This provides a GPIO interface supporting inputs and outputs. |
4e47f91b | 772 | The I2C versions of the chips can be used as interrupt-controller. |
e58b9e27 | 773 | |
1e5db006 RR |
774 | config GPIO_MC33880 |
775 | tristate "Freescale MC33880 high-side/low-side switch" | |
776 | depends on SPI_MASTER | |
777 | help | |
778 | SPI driver for Freescale MC33880 high-side/low-side switch. | |
779 | This provides GPIO interface supporting inputs and outputs. | |
780 | ||
ead6db08 MG |
781 | config GPIO_74X164 |
782 | tristate "74x164 serial-in/parallel-out 8-bits shift register" | |
61e73804 | 783 | depends on SPI_MASTER && OF |
ead6db08 | 784 | help |
61e73804 AS |
785 | Driver for 74x164 compatible serial-in/parallel-out 8-outputs |
786 | shift registers. This driver can be used to provide access | |
ead6db08 MG |
787 | to more gpio outputs. |
788 | ||
4cf8e53b MV |
789 | comment "AC97 GPIO expanders:" |
790 | ||
791 | config GPIO_UCB1400 | |
7d1815e1 | 792 | tristate "Philips UCB1400 GPIO" |
4cf8e53b MV |
793 | depends on UCB1400_CORE |
794 | help | |
795 | This enables support for the Philips UCB1400 GPIO pins. | |
796 | The UCB1400 is an AC97 audio codec. | |
797 | ||
d22fcde0 GR |
798 | comment "LPC GPIO expanders:" |
799 | ||
800 | config GPIO_KEMPLD | |
801 | tristate "Kontron ETX / COMexpress GPIO" | |
802 | depends on MFD_KEMPLD | |
803 | help | |
804 | This enables support for the PLD GPIO interface on some Kontron ETX | |
805 | and COMexpress (ETXexpress) modules. | |
806 | ||
807 | This driver can also be built as a module. If so, the module will be | |
808 | called gpio-kempld. | |
809 | ||
800e69fb IS |
810 | comment "MODULbus GPIO expanders:" |
811 | ||
812 | config GPIO_JANZ_TTL | |
813 | tristate "Janz VMOD-TTL Digital IO Module" | |
814 | depends on MFD_JANZ_CMODIO | |
815 | help | |
816 | This enables support for the Janz VMOD-TTL Digital IO module. | |
817 | This driver provides support for driving the pins in output | |
818 | mode only. Input mode is not supported. | |
819 | ||
3d50a278 LD |
820 | config GPIO_PALMAS |
821 | bool "TI PALMAS series PMICs GPIO" | |
822 | depends on MFD_PALMAS | |
823 | help | |
824 | Select this option to enable GPIO driver for the TI PALMAS | |
825 | series chip family. | |
826 | ||
72bd9860 LD |
827 | config GPIO_TPS6586X |
828 | bool "TPS6586X GPIO" | |
829 | depends on MFD_TPS6586X | |
830 | help | |
831 | Select this option to enable GPIO driver for the TPS6586X | |
832 | chip family. | |
833 | ||
83545d83 JEC |
834 | config GPIO_TPS65910 |
835 | bool "TPS65910 GPIO" | |
836 | depends on MFD_TPS65910 | |
837 | help | |
838 | Select this option to enable GPIO driver for the TPS65910 | |
839 | chip family. | |
25cf2507 MN |
840 | |
841 | config GPIO_MSIC | |
842 | bool "Intel MSIC mixed signal gpio support" | |
843 | depends on MFD_INTEL_MSIC | |
844 | help | |
845 | Enable support for GPIO on intel MSIC controllers found in | |
846 | intel MID devices | |
847 | ||
757651e3 MM |
848 | config GPIO_BCM_KONA |
849 | bool "Broadcom Kona GPIO" | |
850 | depends on OF_GPIO | |
851 | help | |
852 | Turn on GPIO support for Broadcom "Kona" chips. | |
853 | ||
9d5b72de LP |
854 | comment "USB GPIO expanders:" |
855 | ||
856 | config GPIO_VIPERBOARD | |
857 | tristate "Viperboard GPIO a & b support" | |
858 | depends on MFD_VIPERBOARD && USB | |
859 | help | |
860 | Say yes here to access the GPIO signals of Nano River | |
861 | Technologies Viperboard. There are two GPIO chips on the | |
862 | board: gpioa and gpiob. | |
863 | See viperboard API specification and Nano | |
864 | River Tech's viperboard.h for detailed meaning | |
865 | of the module parameters. | |
866 | ||
7444a72e | 867 | endif |