| Kconfig (4b4193256c8d3bc3a5397b5cd9494c2ad386317d) | Kconfig (72db5d54d76300fb4153874b8466c0ebbb10208f) |
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| 1# SPDX-License-Identifier: GPL-2.0-only 2# 3# GPIO infrastructure and drivers 4# 5 6config ARCH_HAVE_CUSTOM_GPIO_H 7 bool 8 help --- 45 unchanged lines hidden (view full) --- 54 Say Y here to add some extra checks and diagnostics to GPIO calls. 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 58 slower. The diagnostics help catch the type of setup errors 59 that are most common when setting up new platforms or boards. 60 61config GPIO_SYSFS | 1# SPDX-License-Identifier: GPL-2.0-only 2# 3# GPIO infrastructure and drivers 4# 5 6config ARCH_HAVE_CUSTOM_GPIO_H 7 bool 8 help --- 45 unchanged lines hidden (view full) --- 54 Say Y here to add some extra checks and diagnostics to GPIO calls. 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 58 slower. The diagnostics help catch the type of setup errors 59 that are most common when setting up new platforms or boards. 60 61config GPIO_SYSFS |
| 62 bool "/sys/class/gpio/... (sysfs interface)" | 62 bool "/sys/class/gpio/... (sysfs interface)" if EXPERT |
| 63 depends on SYSFS | 63 depends on SYSFS |
| 64 select GPIO_CDEV # We need to encourage the new ABI |
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| 64 help 65 Say Y here to add the legacy sysfs interface for GPIOs. 66 67 This ABI is deprecated. If you want to use GPIO from userspace, 68 use the character device /dev/gpiochipN with the appropriate | 65 help 66 Say Y here to add the legacy sysfs interface for GPIOs. 67 68 This ABI is deprecated. If you want to use GPIO from userspace, 69 use the character device /dev/gpiochipN with the appropriate |
| 69 ioctl() operations instead. The character device is always 70 available. | 70 ioctl() operations instead. |
| 71 | 71 |
| 72config 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. 85 86config 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 |
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| 72config GPIO_GENERIC 73 depends on HAS_IOMEM # Only for IOMEM drivers 74 tristate 75 76config GPIO_REGMAP 77 depends on REGMAP 78 tristate 79 --- 117 unchanged lines hidden (view full) --- 197 default y if ARCH_DAVINCI 198 depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3) 199 help 200 Say yes here to enable GPIO support for TI Davinci/Keystone SoCs. 201 202config GPIO_DWAPB 203 tristate "Synopsys DesignWare APB GPIO driver" 204 select GPIO_GENERIC | 98config GPIO_GENERIC 99 depends on HAS_IOMEM # Only for IOMEM drivers 100 tristate 101 102config GPIO_REGMAP 103 depends on REGMAP 104 tristate 105 --- 117 unchanged lines hidden (view full) --- 223 default y if ARCH_DAVINCI 224 depends on (ARM || ARM64) && (ARCH_DAVINCI || ARCH_KEYSTONE || ARCH_K3) 225 help 226 Say yes here to enable GPIO support for TI Davinci/Keystone SoCs. 227 228config GPIO_DWAPB 229 tristate "Synopsys DesignWare APB GPIO driver" 230 select GPIO_GENERIC |
| 205 select GENERIC_IRQ_CHIP | 231 select GPIOLIB_IRQCHIP |
| 206 help 207 Say Y or M here to build support for the Synopsys DesignWare APB 208 GPIO block. 209 210config GPIO_EIC_SPRD 211 tristate "Spreadtrum EIC support" 212 depends on ARCH_SPRD || COMPILE_TEST 213 depends on OF_GPIO --- 11 unchanged lines hidden (view full) --- 225 def_bool y 226 depends on ARCH_EP93XX 227 select GPIO_GENERIC 228 select GPIOLIB_IRQCHIP 229 230config GPIO_EXAR 231 tristate "Support for GPIO pins on XR17V352/354/358" 232 depends on SERIAL_8250_EXAR | 232 help 233 Say Y or M here to build support for the Synopsys DesignWare APB 234 GPIO block. 235 236config GPIO_EIC_SPRD 237 tristate "Spreadtrum EIC support" 238 depends on ARCH_SPRD || COMPILE_TEST 239 depends on OF_GPIO --- 11 unchanged lines hidden (view full) --- 251 def_bool y 252 depends on ARCH_EP93XX 253 select GPIO_GENERIC 254 select GPIOLIB_IRQCHIP 255 256config GPIO_EXAR 257 tristate "Support for GPIO pins on XR17V352/354/358" 258 depends on SERIAL_8250_EXAR |
| 259 select REGMAP_MMIO |
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| 233 help 234 Selecting this option will enable handling of GPIO pins present 235 on Exar XR17V352/354/358 chips. 236 237config GPIO_GE_FPGA 238 bool "GE FPGA based GPIO" 239 depends on GE_FPGA 240 select GPIO_GENERIC --- 25 unchanged lines hidden (view full) --- 266 tristate "Aeroflex Gaisler GRGPIO support" 267 depends on OF_GPIO 268 select GPIO_GENERIC 269 select IRQ_DOMAIN 270 help 271 Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB 272 VHDL IP core library. 273 | 260 help 261 Selecting this option will enable handling of GPIO pins present 262 on Exar XR17V352/354/358 chips. 263 264config GPIO_GE_FPGA 265 bool "GE FPGA based GPIO" 266 depends on GE_FPGA 267 select GPIO_GENERIC --- 25 unchanged lines hidden (view full) --- 293 tristate "Aeroflex Gaisler GRGPIO support" 294 depends on OF_GPIO 295 select GPIO_GENERIC 296 select IRQ_DOMAIN 297 help 298 Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB 299 VHDL IP core library. 300 |
| 301config GPIO_HISI 302 tristate "HiSilicon GPIO controller driver" 303 depends on (ARM64 && ACPI) || COMPILE_TEST 304 select GPIO_GENERIC 305 select GPIOLIB_IRQCHIP 306 help 307 Say Y or M here to build support for the HiSilicon GPIO controller 308 driver GPIO block. 309 This GPIO controller support double-edge interrupt and multi-core 310 concurrent access. 311 |
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| 274config GPIO_HLWD 275 tristate "Nintendo Wii (Hollywood) GPIO" 276 depends on OF_GPIO 277 select GPIO_GENERIC 278 select GPIOLIB_IRQCHIP 279 help 280 Select this to support the GPIO controller of the Nintendo Wii. 281 --- 110 unchanged lines hidden (view full) --- 392config GPIO_MVEBU 393 def_bool y 394 depends on PLAT_ORION || ARCH_MVEBU 395 depends on OF_GPIO 396 select GENERIC_IRQ_CHIP 397 select REGMAP_MMIO 398 399config GPIO_MXC | 312config GPIO_HLWD 313 tristate "Nintendo Wii (Hollywood) GPIO" 314 depends on OF_GPIO 315 select GPIO_GENERIC 316 select GPIOLIB_IRQCHIP 317 help 318 Select this to support the GPIO controller of the Nintendo Wii. 319 --- 110 unchanged lines hidden (view full) --- 430config GPIO_MVEBU 431 def_bool y 432 depends on PLAT_ORION || ARCH_MVEBU 433 depends on OF_GPIO 434 select GENERIC_IRQ_CHIP 435 select REGMAP_MMIO 436 437config GPIO_MXC |
| 400 def_bool y | 438 tristate "i.MX GPIO support" |
| 401 depends on ARCH_MXC || COMPILE_TEST 402 select GPIO_GENERIC 403 select GENERIC_IRQ_CHIP 404 405config GPIO_MXS 406 def_bool y 407 depends on ARCH_MXS || COMPILE_TEST 408 select GPIO_GENERIC --- 298 unchanged lines hidden (view full) --- 707 tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)" 708 help 709 This option enables driver for GPIO on AMDs Fusion Controller Hub, 710 as found on G-series SOCs (eg. GX-412TC) 711 712 Note: This driver doesn't registers itself automatically, as it 713 needs to be provided with platform specific configuration. 714 (See eg. CONFIG_PCENGINES_APU2.) | 439 depends on ARCH_MXC || COMPILE_TEST 440 select GPIO_GENERIC 441 select GENERIC_IRQ_CHIP 442 443config GPIO_MXS 444 def_bool y 445 depends on ARCH_MXS || COMPILE_TEST 446 select GPIO_GENERIC --- 298 unchanged lines hidden (view full) --- 745 tristate "GPIO support for AMD Fusion Controller Hub (G-series SOCs)" 746 help 747 This option enables driver for GPIO on AMDs Fusion Controller Hub, 748 as found on G-series SOCs (eg. GX-412TC) 749 750 Note: This driver doesn't registers itself automatically, as it 751 needs to be provided with platform specific configuration. 752 (See eg. CONFIG_PCENGINES_APU2.) |
| 753 754config GPIO_MSC313 755 bool "MStar MSC313 GPIO support" 756 depends on ARCH_MSTARV7 757 default ARCH_MSTARV7 758 select GPIOLIB_IRQCHIP 759 select IRQ_DOMAIN_HIERARCHY 760 help 761 Say Y here to support the main GPIO block on MStar/SigmaStar 762 ARMv7 based SoCs. 763 |
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| 715endmenu 716 717menu "Port-mapped I/O GPIO drivers" 718 depends on X86 # Unconditional I/O space access 719 720config GPIO_104_DIO_48E 721 tristate "ACCES 104-DIO-48E GPIO support" 722 depends on PC104 --- 495 unchanged lines hidden (view full) --- 1218 bool "RICOH RC5T583 GPIO" 1219 depends on MFD_RC5T583 1220 help 1221 Select this option to enable GPIO driver for the Ricoh RC5T583 1222 chip family. 1223 This driver provides the support for driving/reading the gpio pins 1224 of RC5T583 device through standard gpio library. 1225 | 764endmenu 765 766menu "Port-mapped I/O GPIO drivers" 767 depends on X86 # Unconditional I/O space access 768 769config GPIO_104_DIO_48E 770 tristate "ACCES 104-DIO-48E GPIO support" 771 depends on PC104 --- 495 unchanged lines hidden (view full) --- 1267 bool "RICOH RC5T583 GPIO" 1268 depends on MFD_RC5T583 1269 help 1270 Select this option to enable GPIO driver for the Ricoh RC5T583 1271 chip family. 1272 This driver provides the support for driving/reading the gpio pins 1273 of RC5T583 device through standard gpio library. 1274 |
| 1275config GPIO_SL28CPLD 1276 tristate "Kontron sl28cpld GPIO support" 1277 depends on MFD_SL28CPLD || COMPILE_TEST 1278 select GPIO_REGMAP 1279 select GPIOLIB_IRQCHIP 1280 select REGMAP_IRQ 1281 help 1282 This enables support for the GPIOs found on the Kontron sl28 CPLD. 1283 1284 This driver can also be built as a module. If so, the module will be 1285 called gpio-sl28cpld. 1286 |
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| 1226config GPIO_STMPE 1227 bool "STMPE GPIOs" 1228 depends on MFD_STMPE 1229 depends on OF_GPIO 1230 select GPIOLIB_IRQCHIP 1231 help 1232 This enables support for the GPIOs found on the STMPE I/O 1233 Expanders. --- 314 unchanged lines hidden (view full) --- 1548 Technologies Viperboard. There are two GPIO chips on the 1549 board: gpioa and gpiob. 1550 See viperboard API specification and Nano 1551 River Tech's viperboard.h for detailed meaning 1552 of the module parameters. 1553 1554endmenu 1555 | 1287config GPIO_STMPE 1288 bool "STMPE GPIOs" 1289 depends on MFD_STMPE 1290 depends on OF_GPIO 1291 select GPIOLIB_IRQCHIP 1292 help 1293 This enables support for the GPIOs found on the STMPE I/O 1294 Expanders. --- 314 unchanged lines hidden (view full) --- 1609 Technologies Viperboard. There are two GPIO chips on the 1610 board: gpioa and gpiob. 1611 See viperboard API specification and Nano 1612 River Tech's viperboard.h for detailed meaning 1613 of the module parameters. 1614 1615endmenu 1616 |
| 1617menu "Virtual GPIO drivers" 1618 |
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| 1556config GPIO_AGGREGATOR 1557 tristate "GPIO Aggregator" 1558 help 1559 Say yes here to enable the GPIO Aggregator, which provides a way to 1560 aggregate existing GPIO lines into a new virtual GPIO chip. 1561 This can serve the following purposes: 1562 - Assign permissions for a collection of GPIO lines to a user, 1563 - Export a collection of GPIO lines to a virtual machine, --- 7 unchanged lines hidden (view full) --- 1571 help 1572 This enables GPIO Testing driver, which provides a way to test GPIO 1573 subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS 1574 must be selected for this test. 1575 User could use it through the script in 1576 tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in 1577 it. 1578 | 1619config GPIO_AGGREGATOR 1620 tristate "GPIO Aggregator" 1621 help 1622 Say yes here to enable the GPIO Aggregator, which provides a way to 1623 aggregate existing GPIO lines into a new virtual GPIO chip. 1624 This can serve the following purposes: 1625 - Assign permissions for a collection of GPIO lines to a user, 1626 - Export a collection of GPIO lines to a virtual machine, --- 7 unchanged lines hidden (view full) --- 1634 help 1635 This enables GPIO Testing driver, which provides a way to test GPIO 1636 subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS 1637 must be selected for this test. 1638 User could use it through the script in 1639 tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in 1640 it. 1641 |
| 1642endmenu 1643 |
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| 1579endif | 1644endif |