David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 1 | # |
Linus Walleij | e849dc0 | 2011-05-20 00:40:19 -0600 | [diff] [blame] | 2 | # GPIO infrastructure and drivers |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 3 | # |
| 4 | |
Mark Brown | 7563bbf | 2012-04-15 10:52:54 +0100 | [diff] [blame] | 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 | |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 13 | config ARCH_WANT_OPTIONAL_GPIOLIB |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 14 | bool |
| 15 | help |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 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 |
| 26 | help |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 27 | Platforms select gpiolib if they use this infrastructure |
| 28 | for all their GPIOs, usually starting with ones integrated |
| 29 | into SOC processors. |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 30 | Selecting this from the architecture code will cause the gpiolib |
| 31 | code to always get built in. |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 32 | |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 33 | |
| 34 | |
| 35 | menuconfig GPIOLIB |
| 36 | bool "GPIO Support" |
| 37 | depends on ARCH_WANT_OPTIONAL_GPIOLIB || ARCH_REQUIRE_GPIOLIB |
| 38 | select GENERIC_GPIO |
| 39 | help |
| 40 | This enables GPIO support through the generic GPIO library. |
| 41 | You only need to enable this, if you also want to enable |
Linus Walleij | e849dc0 | 2011-05-20 00:40:19 -0600 | [diff] [blame] | 42 | one or more of the GPIO drivers below. |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 43 | |
| 44 | If unsure, say N. |
| 45 | |
| 46 | if GPIOLIB |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 47 | |
Grant Likely | f141ed65 | 2012-04-07 14:31:33 -0600 | [diff] [blame] | 48 | config OF_GPIO |
| 49 | def_bool y |
| 50 | depends on OF && !SPARC |
| 51 | |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 52 | config DEBUG_GPIO |
| 53 | bool "Debug GPIO calls" |
| 54 | depends on DEBUG_KERNEL |
| 55 | help |
| 56 | Say Y here to add some extra checks and diagnostics to GPIO calls. |
Matt LaPlante | 692105b | 2009-01-26 11:12:25 +0100 | [diff] [blame] | 57 | These checks help ensure that GPIOs have been properly initialized |
| 58 | before they are used, and that sleeping calls are not made from |
| 59 | non-sleeping contexts. They can make bitbanged serial protocols |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 60 | slower. The diagnostics help catch the type of setup errors |
| 61 | that are most common when setting up new platforms or boards. |
| 62 | |
David Brownell | d8f388d8 | 2008-07-25 01:46:07 -0700 | [diff] [blame] | 63 | config GPIO_SYSFS |
| 64 | bool "/sys/class/gpio/... (sysfs interface)" |
| 65 | depends on SYSFS && EXPERIMENTAL |
| 66 | help |
| 67 | Say Y here to add a sysfs interface for GPIOs. |
| 68 | |
| 69 | This is mostly useful to work around omissions in a system's |
| 70 | kernel support. Those are common in custom and semicustom |
| 71 | hardware assembled using standard kernels with a minimum of |
| 72 | custom patches. In those cases, userspace code may import |
| 73 | a given GPIO from the kernel, if no kernel driver requested it. |
| 74 | |
| 75 | Kernel drivers may also request that a particular GPIO be |
| 76 | exported to userspace; this can be useful when debugging. |
| 77 | |
Grant Likely | c103de2 | 2011-06-04 18:38:28 -0600 | [diff] [blame] | 78 | config GPIO_GENERIC |
| 79 | tristate |
| 80 | |
Linus Walleij | e849dc0 | 2011-05-20 00:40:19 -0600 | [diff] [blame] | 81 | # put drivers in the right section, in alphabetical order |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 82 | |
ashishj3 | 07bfc91 | 2011-07-06 16:02:13 +0530 | [diff] [blame] | 83 | config GPIO_DA9052 |
| 84 | tristate "Dialog DA9052 GPIO" |
Axel Lin | 1c4fe3a | 2012-08-29 14:57:46 +0800 | [diff] [blame] | 85 | depends on PMIC_DA9052 |
ashishj3 | 07bfc91 | 2011-07-06 16:02:13 +0530 | [diff] [blame] | 86 | help |
| 87 | Say yes here to enable the GPIO driver for the DA9052 chip. |
| 88 | |
Wolfram Sang | e952805 | 2010-03-05 13:44:33 -0800 | [diff] [blame] | 89 | config GPIO_MAX730X |
| 90 | tristate |
| 91 | |
Linus Walleij | e849dc0 | 2011-05-20 00:40:19 -0600 | [diff] [blame] | 92 | comment "Memory mapped GPIO drivers:" |
John Linn | 0bcb606 | 2008-11-12 13:25:38 -0800 | [diff] [blame] | 93 | |
Grant Likely | c103de2 | 2011-06-04 18:38:28 -0600 | [diff] [blame] | 94 | config GPIO_GENERIC_PLATFORM |
| 95 | tristate "Generic memory-mapped GPIO controller support (MMIO platform device)" |
| 96 | select GPIO_GENERIC |
Jamie Iles | 280df6b | 2011-05-20 00:40:19 -0600 | [diff] [blame] | 97 | help |
Grant Likely | c103de2 | 2011-06-04 18:38:28 -0600 | [diff] [blame] | 98 | Say yes here to support basic platform_device memory-mapped GPIO controllers. |
Anton Vorontsov | aeec56e | 2010-10-27 15:33:15 -0700 | [diff] [blame] | 99 | |
Denis Turischev | 9cc0cb3 | 2010-03-05 13:44:39 -0800 | [diff] [blame] | 100 | config GPIO_IT8761E |
| 101 | tristate "IT8761E GPIO support" |
Grant Likely | 265fe02 | 2012-01-11 11:03:41 -0700 | [diff] [blame] | 102 | depends on X86 # unconditional access to IO space. |
Denis Turischev | 9cc0cb3 | 2010-03-05 13:44:39 -0800 | [diff] [blame] | 103 | help |
| 104 | Say yes here to support GPIO functionality of IT8761E super I/O chip. |
| 105 | |
Magnus Damm | a07e103 | 2012-05-17 15:22:23 +0900 | [diff] [blame] | 106 | config GPIO_EM |
| 107 | tristate "Emma Mobile GPIO" |
| 108 | depends on ARM |
| 109 | help |
| 110 | Say yes here to support GPIO on Renesas Emma Mobile SoCs. |
| 111 | |
H Hartley Sweeten | c6b52c1 | 2011-06-01 10:09:19 -0700 | [diff] [blame] | 112 | config GPIO_EP93XX |
| 113 | def_bool y |
| 114 | depends on ARCH_EP93XX |
H Hartley Sweeten | 1e4c884 | 2011-06-08 14:35:33 -0700 | [diff] [blame] | 115 | select GPIO_GENERIC |
H Hartley Sweeten | c6b52c1 | 2011-06-01 10:09:19 -0700 | [diff] [blame] | 116 | |
John Crispin | 5238f7b | 2012-05-11 18:48:39 +0200 | [diff] [blame] | 117 | config GPIO_MM_LANTIQ |
| 118 | bool "Lantiq Memory mapped GPIOs" |
| 119 | depends on LANTIQ && SOC_XWAY |
| 120 | help |
| 121 | This enables support for memory mapped GPIOs on the External Bus Unit |
| 122 | (EBU) found on Lantiq SoCs. The gpios are output only as they are |
| 123 | created by attaching a 16bit latch to the bus. |
| 124 | |
Grant Likely | 6eae1ac | 2011-07-06 11:54:19 -0600 | [diff] [blame] | 125 | config GPIO_MPC5200 |
| 126 | def_bool y |
| 127 | depends on PPC_MPC52xx |
| 128 | |
Wolfram Sang | c68308d | 2011-09-21 12:49:20 +0200 | [diff] [blame] | 129 | config GPIO_MPC8XXX |
| 130 | bool "MPC512x/MPC8xxx GPIO support" |
| 131 | depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ |
| 132 | FSL_SOC_BOOKE || PPC_86xx |
| 133 | help |
| 134 | Say Y here if you're going to use hardware that connects to the |
| 135 | MPC512x/831x/834x/837x/8572/8610 GPIOs. |
| 136 | |
David Brown | 74d10d7 | 2011-05-16 13:57:39 -0700 | [diff] [blame] | 137 | config GPIO_MSM_V1 |
| 138 | tristate "Qualcomm MSM GPIO v1" |
Christian Dietrich | afcc0f8 | 2012-05-31 13:12:57 +0200 | [diff] [blame] | 139 | depends on GPIOLIB && ARCH_MSM && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50) |
David Brown | 74d10d7 | 2011-05-16 13:57:39 -0700 | [diff] [blame] | 140 | help |
| 141 | Say yes here to support the GPIO interface on ARM v6 based |
| 142 | Qualcomm MSM chips. Most of the pins on the MSM can be |
| 143 | selected for GPIO, and are controlled by this driver. |
| 144 | |
David Brown | 1a5ab4b | 2011-05-16 15:53:38 -0700 | [diff] [blame] | 145 | config GPIO_MSM_V2 |
| 146 | tristate "Qualcomm MSM GPIO v2" |
| 147 | depends on GPIOLIB && ARCH_MSM |
| 148 | help |
| 149 | Say yes here to support the GPIO interface on ARM v7 based |
| 150 | Qualcomm MSM chips. Most of the pins on the MSM can be |
| 151 | selected for GPIO, and are controlled by this driver. |
| 152 | |
Thomas Petazzoni | fefe7b0 | 2012-09-19 22:52:58 +0200 | [diff] [blame] | 153 | config GPIO_MVEBU |
| 154 | def_bool y |
| 155 | depends on ARCH_MVEBU |
| 156 | select GPIO_GENERIC |
| 157 | select GENERIC_IRQ_CHIP |
| 158 | |
Shawn Guo | d37a65b | 2011-06-06 00:07:54 +0800 | [diff] [blame] | 159 | config GPIO_MXC |
| 160 | def_bool y |
| 161 | depends on ARCH_MXC |
Grant Likely | c103de2 | 2011-06-04 18:38:28 -0600 | [diff] [blame] | 162 | select GPIO_GENERIC |
Shawn Guo | e4ea933 | 2011-06-07 16:25:37 +0800 | [diff] [blame] | 163 | select GENERIC_IRQ_CHIP |
Grant Likely | c103de2 | 2011-06-04 18:38:28 -0600 | [diff] [blame] | 164 | |
| 165 | config GPIO_MXS |
| 166 | def_bool y |
| 167 | depends on ARCH_MXS |
Shawn Guo | 06f88a8 | 2011-06-06 22:31:29 +0800 | [diff] [blame] | 168 | select GPIO_GENERIC |
Shawn Guo | 498c17c | 2011-06-07 22:00:54 +0800 | [diff] [blame] | 169 | select GENERIC_IRQ_CHIP |
Shawn Guo | d37a65b | 2011-06-06 00:07:54 +0800 | [diff] [blame] | 170 | |
Baruch Siach | 1e9c285 | 2009-06-18 16:48:58 -0700 | [diff] [blame] | 171 | config GPIO_PL061 |
| 172 | bool "PrimeCell PL061 GPIO support" |
| 173 | depends on ARM_AMBA |
Rob Herring | 3ab5247 | 2011-10-21 08:05:53 -0500 | [diff] [blame] | 174 | select GENERIC_IRQ_CHIP |
Baruch Siach | 1e9c285 | 2009-06-18 16:48:58 -0700 | [diff] [blame] | 175 | help |
| 176 | Say yes here to support the PrimeCell PL061 GPIO device |
| 177 | |
Haojian Zhuang | 157d264 | 2011-10-17 20:37:52 +0800 | [diff] [blame] | 178 | config GPIO_PXA |
| 179 | bool "PXA GPIO support" |
| 180 | depends on ARCH_PXA || ARCH_MMP |
| 181 | help |
| 182 | Say yes here to support the PXA GPIO device |
| 183 | |
Alessandro Rubini | 7b0d44f3 | 2012-04-12 10:48:55 +0200 | [diff] [blame] | 184 | config GPIO_STA2X11 |
| 185 | bool "STA2x11/ConneXt GPIO support" |
| 186 | depends on MFD_STA2X11 |
| 187 | select GENERIC_IRQ_CHIP |
| 188 | help |
| 189 | Say yes here to support the STA2x11/ConneXt GPIO device. |
| 190 | The GPIO module has 128 GPIO pins with alternate functions. |
| 191 | |
Tony Prisk | 4e48b1c | 2012-08-08 13:05:55 +1200 | [diff] [blame] | 192 | config GPIO_VT8500 |
| 193 | bool "VIA/Wondermedia SoC GPIO Support" |
| 194 | depends on ARCH_VT8500 |
| 195 | help |
| 196 | Say yes here to support the VT8500/WM8505/WM8650 GPIO controller. |
| 197 | |
John Linn | 0bcb606 | 2008-11-12 13:25:38 -0800 | [diff] [blame] | 198 | config GPIO_XILINX |
| 199 | bool "Xilinx GPIO support" |
Michal Simek | 6fa612b | 2009-05-11 15:49:12 +0200 | [diff] [blame] | 200 | depends on PPC_OF || MICROBLAZE |
John Linn | 0bcb606 | 2008-11-12 13:25:38 -0800 | [diff] [blame] | 201 | help |
| 202 | Say yes here to support the Xilinx FPGA GPIO device |
| 203 | |
Yoichi Yuasa | 27fdd32 | 2009-06-29 11:11:05 +0900 | [diff] [blame] | 204 | config GPIO_VR41XX |
| 205 | tristate "NEC VR4100 series General-purpose I/O Uint support" |
| 206 | depends on CPU_VR41XX |
| 207 | help |
| 208 | Say yes here to support the NEC VR4100 series General-purpose I/O Uint |
| 209 | |
Denis Turischev | be9b06b | 2010-03-02 10:48:55 +0100 | [diff] [blame] | 210 | config GPIO_SCH |
Seth Heasley | 77820ff | 2012-05-22 22:54:20 +0200 | [diff] [blame] | 211 | tristate "Intel SCH/TunnelCreek/Centerton GPIO" |
H Hartley Sweeten | 6cff9e2 | 2011-05-20 00:40:17 -0600 | [diff] [blame] | 212 | depends on PCI && X86 |
Randy Dunlap | 860fb8c | 2010-03-05 09:43:06 -0800 | [diff] [blame] | 213 | select MFD_CORE |
Denis Turischev | be9b06b | 2010-03-02 10:48:55 +0100 | [diff] [blame] | 214 | select LPC_SCH |
| 215 | help |
Seth Heasley | 77820ff | 2012-05-22 22:54:20 +0200 | [diff] [blame] | 216 | Say yes here to support GPIO interface on Intel Poulsbo SCH, |
| 217 | Intel Tunnel Creek processor or Intel Centerton processor. |
Denis Turischev | be9b06b | 2010-03-02 10:48:55 +0100 | [diff] [blame] | 218 | The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are |
| 219 | powered by the core power rail and are turned off during sleep |
| 220 | modes (S3 and higher). The remaining four GPIOs are powered by |
| 221 | the Intel SCH suspend power supply. These GPIOs remain |
| 222 | active during S3. The suspend powered GPIOs can be used to wake the |
| 223 | system from the Suspend-to-RAM state. |
Denis Turischev | f04ddfc | 2011-03-14 12:53:05 +0200 | [diff] [blame] | 224 | The Intel Tunnel Creek processor has 5 GPIOs powered by the |
| 225 | core power rail and 9 from suspend power supply. |
Seth Heasley | 77820ff | 2012-05-22 22:54:20 +0200 | [diff] [blame] | 226 | The Intel Centerton processor has a total of 30 GPIO pins. |
| 227 | Twenty-one are powered by the core power rail and 9 from the |
| 228 | suspend power supply. |
Denis Turischev | be9b06b | 2010-03-02 10:48:55 +0100 | [diff] [blame] | 229 | |
Peter Tyser | 6ed9f9c | 2012-04-18 09:48:24 -0500 | [diff] [blame] | 230 | config GPIO_ICH |
| 231 | tristate "Intel ICH GPIO" |
| 232 | depends on PCI && X86 |
| 233 | select MFD_CORE |
| 234 | select LPC_ICH |
| 235 | help |
| 236 | Say yes here to support the GPIO functionality of a number of Intel |
| 237 | ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8 |
| 238 | ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg |
| 239 | Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake). |
| 240 | |
| 241 | If unsure, say N. |
Denis Turischev | be9b06b | 2010-03-02 10:48:55 +0100 | [diff] [blame] | 242 | |
Daniel Drake | 99ea262 | 2010-09-30 21:55:48 +0100 | [diff] [blame] | 243 | config GPIO_VX855 |
| 244 | tristate "VIA VX855/VX875 GPIO" |
Arnd Bergmann | 8a0a8e8 | 2011-09-02 16:43:36 +0200 | [diff] [blame] | 245 | depends on PCI |
Daniel Drake | 99ea262 | 2010-09-30 21:55:48 +0100 | [diff] [blame] | 246 | select MFD_CORE |
| 247 | select MFD_VX855 |
| 248 | help |
| 249 | Support access to the VX855/VX875 GPIO lines through the gpio library. |
| 250 | |
| 251 | This driver provides common support for accessing the device, |
| 252 | additional drivers must be enabled in order to use the |
| 253 | functionality of the device. |
| 254 | |
Martyn Welch | 6518bb6 | 2012-03-12 17:12:58 +0000 | [diff] [blame] | 255 | config GPIO_GE_FPGA |
| 256 | bool "GE FPGA based GPIO" |
| 257 | depends on GE_FPGA |
| 258 | help |
| 259 | Support for common GPIO functionality provided on some GE Single Board |
| 260 | Computers. |
| 261 | |
| 262 | This driver provides basic support (configure as input or output, read |
| 263 | and write pin state) for GPIO implemented in a number of GE single |
| 264 | board computers. |
| 265 | |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 266 | comment "I2C GPIO expanders:" |
| 267 | |
Mark Brown | 31ba56f | 2012-06-23 13:29:25 +0100 | [diff] [blame] | 268 | config GPIO_ARIZONA |
| 269 | tristate "Wolfson Microelectronics Arizona class devices" |
| 270 | depends on MFD_ARIZONA |
| 271 | help |
| 272 | Support for GPIOs on Wolfson Arizona class devices. |
| 273 | |
Wolfram Sang | e952805 | 2010-03-05 13:44:33 -0800 | [diff] [blame] | 274 | config GPIO_MAX7300 |
| 275 | tristate "Maxim MAX7300 GPIO expander" |
| 276 | depends on I2C |
| 277 | select GPIO_MAX730X |
| 278 | help |
| 279 | GPIO driver for Maxim MAX7301 I2C-based GPIO expander. |
| 280 | |
Eric Miao | bbcd6d5 | 2008-07-25 01:46:14 -0700 | [diff] [blame] | 281 | config GPIO_MAX732X |
| 282 | tristate "MAX7319, MAX7320-7327 I2C Port Expanders" |
| 283 | depends on I2C |
| 284 | help |
| 285 | Say yes here to support the MAX7319, MAX7320-7327 series of I2C |
| 286 | Port Expanders. Each IO port on these chips has a fixed role of |
| 287 | Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain |
| 288 | Input and Output (designed by 'P'). The combinations are listed |
| 289 | below: |
| 290 | |
| 291 | 8 bits: max7319 (8I), max7320 (8O), max7321 (8P), |
| 292 | max7322 (4I4O), max7323 (4P4O) |
| 293 | |
| 294 | 16 bits: max7324 (8I8O), max7325 (8P8O), |
| 295 | max7326 (4I12O), max7327 (4P12O) |
| 296 | |
| 297 | Board setup code must specify the model to use, and the start |
| 298 | number for these GPIOs. |
| 299 | |
Marc Zyngier | a80a0bb | 2010-05-26 14:42:16 -0700 | [diff] [blame] | 300 | config GPIO_MAX732X_IRQ |
| 301 | bool "Interrupt controller support for MAX732x" |
| 302 | depends on GPIO_MAX732X=y && GENERIC_HARDIRQS |
| 303 | help |
| 304 | Say yes here to enable the max732x to be used as an interrupt |
| 305 | controller. It requires the driver to be built in the kernel. |
| 306 | |
wu guoxing | 608589b | 2012-01-30 14:31:20 +0800 | [diff] [blame] | 307 | config GPIO_MC9S08DZ60 |
| 308 | bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions" |
Axel Lin | 4c30aa3 | 2012-08-29 09:35:24 +0800 | [diff] [blame] | 309 | depends on I2C=y && MACH_MX35_3DS |
wu guoxing | 608589b | 2012-01-30 14:31:20 +0800 | [diff] [blame] | 310 | help |
| 311 | Select this to enable the MC9S08DZ60 GPIO driver |
| 312 | |
Guennadi Liakhovetski | f3dc363 | 2008-02-06 01:39:03 -0800 | [diff] [blame] | 313 | config GPIO_PCA953X |
Axel Lin | c29985d | 2012-04-06 17:11:46 +0800 | [diff] [blame] | 314 | tristate "PCA953x, PCA955x, PCA957x, TCA64xx, and MAX7310 I/O ports" |
eric miao | 9e60fdc | 2008-02-04 22:28:26 -0800 | [diff] [blame] | 315 | depends on I2C |
| 316 | help |
David Brownell | 7059d4b | 2008-07-04 09:59:37 -0700 | [diff] [blame] | 317 | Say yes here to provide access to several register-oriented |
| 318 | SMBus I/O expanders, made mostly by NXP or TI. Compatible |
| 319 | models include: |
| 320 | |
| 321 | 4 bits: pca9536, pca9537 |
| 322 | |
Axel Lin | c29985d | 2012-04-06 17:11:46 +0800 | [diff] [blame] | 323 | 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554, |
| 324 | pca9556, pca9557, pca9574, tca6408 |
David Brownell | 7059d4b | 2008-07-04 09:59:37 -0700 | [diff] [blame] | 325 | |
Axel Lin | c29985d | 2012-04-06 17:11:46 +0800 | [diff] [blame] | 326 | 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575, |
| 327 | tca6416 |
eric miao | 9e60fdc | 2008-02-04 22:28:26 -0800 | [diff] [blame] | 328 | |
Marc Zyngier | 89ea8bb | 2010-03-05 13:44:36 -0800 | [diff] [blame] | 329 | config GPIO_PCA953X_IRQ |
| 330 | bool "Interrupt controller support for PCA953x" |
| 331 | depends on GPIO_PCA953X=y |
| 332 | help |
| 333 | Say yes here to enable the pca953x to be used as an interrupt |
| 334 | controller. It requires the driver to be built in the kernel. |
| 335 | |
David Brownell | 15fae37 | 2008-02-04 22:28:24 -0800 | [diff] [blame] | 336 | config GPIO_PCF857X |
David Brownell | 1673ad5 | 2008-07-21 14:21:34 -0700 | [diff] [blame] | 337 | tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders" |
David Brownell | 15fae37 | 2008-02-04 22:28:24 -0800 | [diff] [blame] | 338 | depends on I2C |
Arnd Bergmann | 901acf5 | 2012-09-28 23:36:15 +0200 | [diff] [blame] | 339 | select IRQ_DOMAIN |
David Brownell | 15fae37 | 2008-02-04 22:28:24 -0800 | [diff] [blame] | 340 | help |
| 341 | Say yes here to provide access to most "quasi-bidirectional" I2C |
| 342 | GPIO expanders used for additional digital outputs or inputs. |
| 343 | Most of these parts are from NXP, though TI is a second source for |
| 344 | some of them. Compatible models include: |
| 345 | |
| 346 | 8 bits: pcf8574, pcf8574a, pca8574, pca8574a, |
David Brownell | 1673ad5 | 2008-07-21 14:21:34 -0700 | [diff] [blame] | 347 | pca9670, pca9672, pca9674, pca9674a, |
| 348 | max7328, max7329 |
David Brownell | 15fae37 | 2008-02-04 22:28:24 -0800 | [diff] [blame] | 349 | |
| 350 | 16 bits: pcf8575, pcf8575c, pca8575, |
| 351 | pca9671, pca9673, pca9675 |
| 352 | |
| 353 | Your board setup code will need to declare the expanders in |
| 354 | use, and assign numbers to the GPIOs they expose. Those GPIOs |
| 355 | can then be used from drivers and other kernel code, just like |
| 356 | other GPIOs, but only accessible from task contexts. |
| 357 | |
| 358 | This driver provides an in-kernel interface to those GPIOs using |
| 359 | platform-neutral GPIO calls. |
| 360 | |
Laxman Dewangan | e9fe32b | 2012-05-14 12:46:12 +0530 | [diff] [blame] | 361 | config GPIO_RC5T583 |
| 362 | bool "RICOH RC5T583 GPIO" |
| 363 | depends on MFD_RC5T583 |
| 364 | help |
| 365 | Select this option to enable GPIO driver for the Ricoh RC5T583 |
| 366 | chip family. |
| 367 | This driver provides the support for driving/reading the gpio pins |
| 368 | of RC5T583 device through standard gpio library. |
| 369 | |
Gregory Bean | c34f16b | 2010-08-10 18:02:27 -0700 | [diff] [blame] | 370 | config GPIO_SX150X |
| 371 | bool "Semtech SX150x I2C GPIO expander" |
| 372 | depends on I2C=y |
| 373 | default n |
| 374 | help |
| 375 | Say yes here to provide support for Semtech SX150-series I2C |
| 376 | GPIO expanders. Compatible models include: |
| 377 | |
| 378 | 8 bits: sx1508q |
| 379 | 16 bits: sx1509q |
| 380 | |
Rabin Vincent | 03f822f | 2010-07-02 16:52:09 +0530 | [diff] [blame] | 381 | config GPIO_STMPE |
| 382 | bool "STMPE GPIOs" |
| 383 | depends on MFD_STMPE |
| 384 | help |
| 385 | This enables support for the GPIOs found on the STMPE I/O |
| 386 | Expanders. |
| 387 | |
John Crispin | 5238f7b | 2012-05-11 18:48:39 +0200 | [diff] [blame] | 388 | config GPIO_STP_XWAY |
| 389 | bool "XWAY STP GPIOs" |
| 390 | depends on SOC_XWAY |
| 391 | help |
| 392 | This enables support for the Serial To Parallel (STP) unit found on |
| 393 | XWAY SoC. The STP allows the SoC to drive a shift registers cascade, |
| 394 | that can be up to 24 bit. This peripheral is aimed at driving leds. |
| 395 | Some of the gpios/leds can be auto updated by the soc with dsl and |
| 396 | phy status. |
| 397 | |
Sundar Iyer | f4e8afd | 2010-12-13 09:33:13 +0530 | [diff] [blame] | 398 | config GPIO_TC3589X |
| 399 | bool "TC3589X GPIOs" |
| 400 | depends on MFD_TC3589X |
Rabin Vincent | d88b25b | 2010-05-10 23:43:47 +0200 | [diff] [blame] | 401 | help |
Sundar Iyer | f4e8afd | 2010-12-13 09:33:13 +0530 | [diff] [blame] | 402 | This enables support for the GPIOs found on the TC3589X |
Rabin Vincent | d88b25b | 2010-05-10 23:43:47 +0200 | [diff] [blame] | 403 | I/O Expander. |
| 404 | |
Margarita Olaya | 668a6cc | 2011-06-09 14:50:19 -0500 | [diff] [blame] | 405 | config GPIO_TPS65912 |
| 406 | tristate "TI TPS65912 GPIO" |
| 407 | depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI) |
| 408 | help |
| 409 | This driver supports TPS65912 gpio chip |
| 410 | |
David Brownell | e9d35947 | 2008-10-20 23:51:46 +0200 | [diff] [blame] | 411 | config GPIO_TWL4030 |
| 412 | tristate "TWL4030, TWL5030, and TPS659x0 GPIOs" |
| 413 | depends on TWL4030_CORE |
| 414 | help |
| 415 | Say yes here to access the GPIO signals of various multi-function |
| 416 | power management chips from Texas Instruments. |
| 417 | |
Peter Ujfalusi | 70ffd69 | 2012-08-16 15:13:15 +0300 | [diff] [blame] | 418 | config GPIO_TWL6040 |
| 419 | tristate "TWL6040 GPO" |
| 420 | depends on TWL6040_CORE |
| 421 | help |
| 422 | Say yes here to access the GPO signals of twl6040 |
| 423 | audio chip from Texas Instruments. |
| 424 | |
Mark Brown | e4b736f | 2009-07-27 14:46:00 +0100 | [diff] [blame] | 425 | config GPIO_WM831X |
| 426 | tristate "WM831x GPIOs" |
| 427 | depends on MFD_WM831X |
| 428 | help |
| 429 | Say yes here to access the GPIO signals of WM831x power management |
| 430 | chips from Wolfson Microelectronics. |
| 431 | |
Mark Brown | 38f6ce4 | 2010-01-07 16:10:08 +0000 | [diff] [blame] | 432 | config GPIO_WM8350 |
| 433 | tristate "WM8350 GPIOs" |
| 434 | depends on MFD_WM8350 |
| 435 | help |
| 436 | Say yes here to access the GPIO signals of WM8350 power management |
| 437 | chips from Wolfson Microelectronics. |
| 438 | |
Mark Brown | 2955c30 | 2010-01-29 18:20:30 +0000 | [diff] [blame] | 439 | config GPIO_WM8994 |
| 440 | tristate "WM8994 GPIOs" |
| 441 | depends on MFD_WM8994 |
| 442 | help |
| 443 | Say yes here to access the GPIO signals of WM8994 audio hub |
| 444 | CODECs from Wolfson Microelectronics. |
| 445 | |
Michael Hennerich | ef72af4 | 2009-09-22 16:46:39 -0700 | [diff] [blame] | 446 | config GPIO_ADP5520 |
| 447 | tristate "GPIO Support for ADP5520 PMIC" |
| 448 | depends on PMIC_ADP5520 |
| 449 | help |
| 450 | This option enables support for on-chip GPIO found |
| 451 | on Analog Devices ADP5520 PMICs. |
| 452 | |
Michael Hennerich | 8088409 | 2010-01-08 14:43:08 -0800 | [diff] [blame] | 453 | config GPIO_ADP5588 |
| 454 | tristate "ADP5588 I2C GPIO expander" |
| 455 | depends on I2C |
| 456 | help |
| 457 | This option enables support for 18 GPIOs found |
| 458 | on Analog Devices ADP5588 GPIO Expanders. |
Michael Hennerich | 8088409 | 2010-01-08 14:43:08 -0800 | [diff] [blame] | 459 | |
Michael Hennerich | 459773a | 2010-10-27 15:33:19 -0700 | [diff] [blame] | 460 | config GPIO_ADP5588_IRQ |
| 461 | bool "Interrupt controller support for ADP5588" |
| 462 | depends on GPIO_ADP5588=y |
| 463 | help |
| 464 | Say yes here to enable the adp5588 to be used as an interrupt |
| 465 | controller. It requires the driver to be built in the kernel. |
| 466 | |
Thierry Reding | 5e969a4 | 2012-09-18 10:57:10 +0200 | [diff] [blame] | 467 | config GPIO_ADNP |
| 468 | tristate "Avionic Design N-bit GPIO expander" |
| 469 | depends on I2C && OF |
| 470 | help |
| 471 | This option enables support for N GPIOs found on Avionic Design |
| 472 | I2C GPIO expanders. The register space will be extended by powers |
| 473 | of two, so the controller will need to accomodate for that. For |
| 474 | example: if a controller provides 48 pins, 6 registers will be |
| 475 | enough to represent all pins, but the driver will assume a |
| 476 | register layout for 64 pins (8 registers). |
| 477 | |
Michael Buesch | ff1d5c2 | 2008-07-25 01:46:10 -0700 | [diff] [blame] | 478 | comment "PCI GPIO expanders:" |
| 479 | |
Andres Salomon | 5f0a96b | 2009-12-14 18:00:32 -0800 | [diff] [blame] | 480 | config GPIO_CS5535 |
| 481 | tristate "AMD CS5535/CS5536 GPIO support" |
Paul Bolle | babf000 | 2011-11-23 11:44:24 +0100 | [diff] [blame] | 482 | depends on PCI && X86 && MFD_CS5535 |
Andres Salomon | 5f0a96b | 2009-12-14 18:00:32 -0800 | [diff] [blame] | 483 | help |
| 484 | The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that |
| 485 | can be used for quite a number of things. The CS5535/6 is found on |
| 486 | AMD Geode and Lemote Yeeloong devices. |
| 487 | |
| 488 | If unsure, say N. |
| 489 | |
Michael Buesch | ff1d5c2 | 2008-07-25 01:46:10 -0700 | [diff] [blame] | 490 | config GPIO_BT8XX |
| 491 | tristate "BT8XX GPIO abuser" |
| 492 | depends on PCI && VIDEO_BT848=n |
| 493 | help |
| 494 | The BT8xx frame grabber chip has 24 GPIO pins than can be abused |
| 495 | as a cheap PCI GPIO card. |
| 496 | |
| 497 | This chip can be found on Miro, Hauppauge and STB TV-cards. |
| 498 | |
| 499 | The card needs to be physically altered for using it as a |
| 500 | GPIO card. For more information on how to build a GPIO card |
| 501 | from a BT8xx TV card, see the documentation file at |
| 502 | Documentation/bt8xxgpio.txt |
| 503 | |
| 504 | If unsure, say N. |
| 505 | |
Dmitry Eremin-Solenikov | f942a7d | 2012-06-01 17:36:31 +0400 | [diff] [blame] | 506 | config GPIO_AMD8111 |
| 507 | tristate "AMD 8111 GPIO driver" |
| 508 | depends on PCI |
| 509 | help |
| 510 | The AMD 8111 south bridge contains 32 GPIO pins which can be used. |
| 511 | |
| 512 | Note, that usually system firmware/ACPI handles GPIO pins on their |
| 513 | own and users might easily break their systems with uncarefull usage |
| 514 | of this driver! |
| 515 | |
| 516 | If unsure, say N |
| 517 | |
Alek Du | 8bf0261 | 2009-09-22 16:46:36 -0700 | [diff] [blame] | 518 | config GPIO_LANGWELL |
Alek Du | 8081c84 | 2010-05-26 14:42:25 -0700 | [diff] [blame] | 519 | bool "Intel Langwell/Penwell GPIO support" |
Thomas Gleixner | 61ab3fe | 2011-03-17 19:32:46 +0000 | [diff] [blame] | 520 | depends on PCI && X86 |
Mika Westerberg | 465f2bd | 2012-05-02 11:15:50 +0300 | [diff] [blame] | 521 | select IRQ_DOMAIN |
Alek Du | 8bf0261 | 2009-09-22 16:46:36 -0700 | [diff] [blame] | 522 | help |
Alek Du | 8081c84 | 2010-05-26 14:42:25 -0700 | [diff] [blame] | 523 | Say Y here to support Intel Langwell/Penwell GPIO. |
Alek Du | 8bf0261 | 2009-09-22 16:46:36 -0700 | [diff] [blame] | 524 | |
Tomoya MORINAGA | 04c17aa8 | 2010-10-27 15:33:21 -0700 | [diff] [blame] | 525 | config GPIO_PCH |
Tomoya MORINAGA | 868fea0 | 2011-10-28 09:23:32 +0900 | [diff] [blame] | 526 | tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO" |
Thomas Gleixner | 61ab3fe | 2011-03-17 19:32:46 +0000 | [diff] [blame] | 527 | depends on PCI && X86 |
Tomoya MORINAGA | 38eb18a | 2011-07-21 09:19:59 +0900 | [diff] [blame] | 528 | select GENERIC_IRQ_CHIP |
Tomoya MORINAGA | 04c17aa8 | 2010-10-27 15:33:21 -0700 | [diff] [blame] | 529 | help |
| 530 | This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff |
| 531 | which is an IOH(Input/Output Hub) for x86 embedded processor. |
| 532 | This driver can access PCH GPIO device. |
| 533 | |
Tomoya MORINAGA | 868fea0 | 2011-10-28 09:23:32 +0900 | [diff] [blame] | 534 | This driver also can be used for LAPIS Semiconductor IOH(Input/ |
| 535 | Output Hub), ML7223 and ML7831. |
Tomoya MORINAGA | bc786cc | 2011-05-09 19:58:49 +0900 | [diff] [blame] | 536 | ML7223 IOH is for MP(Media Phone) use. |
Tomoya MORINAGA | 868fea0 | 2011-10-28 09:23:32 +0900 | [diff] [blame] | 537 | ML7831 IOH is for general purpose use. |
| 538 | ML7223/ML7831 is companion chip for Intel Atom E6xx series. |
| 539 | ML7223/ML7831 is completely compatible for Intel EG20T PCH. |
Tomoya MORINAGA | bc786cc | 2011-05-09 19:58:49 +0900 | [diff] [blame] | 540 | |
Tomoya MORINAGA | 49a3679 | 2011-01-12 17:00:22 -0800 | [diff] [blame] | 541 | config GPIO_ML_IOH |
| 542 | tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support" |
| 543 | depends on PCI |
Tomoya MORINAGA | 54be566 | 2011-08-05 13:04:21 +0900 | [diff] [blame] | 544 | select GENERIC_IRQ_CHIP |
Tomoya MORINAGA | 49a3679 | 2011-01-12 17:00:22 -0800 | [diff] [blame] | 545 | help |
| 546 | ML7213 is companion chip for Intel Atom E6xx series. |
| 547 | This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output |
| 548 | Hub) which is for IVI(In-Vehicle Infotainment) use. |
| 549 | This driver can access the IOH's GPIO device. |
| 550 | |
Sebastian Andrzej Siewior | b43ab90 | 2011-06-27 09:26:23 +0200 | [diff] [blame] | 551 | config GPIO_SODAVILLE |
| 552 | bool "Intel Sodaville GPIO support" |
Grant Likely | 3ffc9ce | 2012-03-28 14:55:04 -0600 | [diff] [blame] | 553 | depends on X86 && PCI && OF |
Sebastian Andrzej Siewior | b43ab90 | 2011-06-27 09:26:23 +0200 | [diff] [blame] | 554 | select GPIO_GENERIC |
| 555 | select GENERIC_IRQ_CHIP |
| 556 | help |
| 557 | Say Y here to support Intel Sodaville GPIO. |
| 558 | |
Richard Röjfors | 35570ac | 2009-12-15 16:46:18 -0800 | [diff] [blame] | 559 | config GPIO_TIMBERDALE |
| 560 | bool "Support for timberdale GPIO IP" |
H Hartley Sweeten | 6cff9e2 | 2011-05-20 00:40:17 -0600 | [diff] [blame] | 561 | depends on MFD_TIMBERDALE && HAS_IOMEM |
Richard Röjfors | 35570ac | 2009-12-15 16:46:18 -0800 | [diff] [blame] | 562 | ---help--- |
| 563 | Add support for the GPIO IP in the timberdale FPGA. |
| 564 | |
Florian Fainelli | 9956d02 | 2010-03-21 01:06:09 +0100 | [diff] [blame] | 565 | config GPIO_RDC321X |
| 566 | tristate "RDC R-321x GPIO support" |
H Hartley Sweeten | 6cff9e2 | 2011-05-20 00:40:17 -0600 | [diff] [blame] | 567 | depends on PCI |
Randy Dunlap | e4be3cb | 2010-05-11 13:24:20 -0700 | [diff] [blame] | 568 | select MFD_CORE |
Florian Fainelli | 9956d02 | 2010-03-21 01:06:09 +0100 | [diff] [blame] | 569 | select MFD_RDC321X |
| 570 | help |
| 571 | Support for the RDC R321x SoC GPIOs over southbridge |
| 572 | PCI configuration space. |
| 573 | |
David Brownell | a9c5fff | 2008-02-04 22:28:17 -0800 | [diff] [blame] | 574 | comment "SPI GPIO expanders:" |
| 575 | |
Juergen Beisert | 0c36ec3 | 2008-07-21 14:21:34 -0700 | [diff] [blame] | 576 | config GPIO_MAX7301 |
| 577 | tristate "Maxim MAX7301 GPIO expander" |
| 578 | depends on SPI_MASTER |
Wolfram Sang | e952805 | 2010-03-05 13:44:33 -0800 | [diff] [blame] | 579 | select GPIO_MAX730X |
Juergen Beisert | 0c36ec3 | 2008-07-21 14:21:34 -0700 | [diff] [blame] | 580 | help |
Wolfram Sang | e952805 | 2010-03-05 13:44:33 -0800 | [diff] [blame] | 581 | GPIO driver for Maxim MAX7301 SPI-based GPIO expander. |
Juergen Beisert | 0c36ec3 | 2008-07-21 14:21:34 -0700 | [diff] [blame] | 582 | |
David Brownell | e58b9e2 | 2008-02-04 22:28:25 -0800 | [diff] [blame] | 583 | config GPIO_MCP23S08 |
Peter Korsgaard | 752ad5e | 2011-07-15 10:25:32 +0200 | [diff] [blame] | 584 | tristate "Microchip MCP23xxx I/O expander" |
| 585 | depends on SPI_MASTER || I2C |
David Brownell | e58b9e2 | 2008-02-04 22:28:25 -0800 | [diff] [blame] | 586 | help |
Peter Korsgaard | 752ad5e | 2011-07-15 10:25:32 +0200 | [diff] [blame] | 587 | SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017 |
| 588 | I/O expanders. |
Peter Korsgaard | 0b7bb77 | 2011-03-09 17:56:30 +0100 | [diff] [blame] | 589 | This provides a GPIO interface supporting inputs and outputs. |
David Brownell | e58b9e2 | 2008-02-04 22:28:25 -0800 | [diff] [blame] | 590 | |
Richard Röjfors | 1e5db00 | 2009-09-22 16:46:34 -0700 | [diff] [blame] | 591 | config GPIO_MC33880 |
| 592 | tristate "Freescale MC33880 high-side/low-side switch" |
| 593 | depends on SPI_MASTER |
| 594 | help |
| 595 | SPI driver for Freescale MC33880 high-side/low-side switch. |
| 596 | This provides GPIO interface supporting inputs and outputs. |
| 597 | |
Miguel Gaio | ead6db08 | 2010-10-27 15:33:18 -0700 | [diff] [blame] | 598 | config GPIO_74X164 |
| 599 | tristate "74x164 serial-in/parallel-out 8-bits shift register" |
| 600 | depends on SPI_MASTER |
| 601 | help |
| 602 | Platform driver for 74x164 compatible serial-in/parallel-out |
| 603 | 8-outputs shift registers. This driver can be used to provide access |
| 604 | to more gpio outputs. |
| 605 | |
Marek Vasut | 4cf8e53 | 2009-09-22 16:46:35 -0700 | [diff] [blame] | 606 | comment "AC97 GPIO expanders:" |
| 607 | |
| 608 | config GPIO_UCB1400 |
| 609 | bool "Philips UCB1400 GPIO" |
| 610 | depends on UCB1400_CORE |
| 611 | help |
| 612 | This enables support for the Philips UCB1400 GPIO pins. |
| 613 | The UCB1400 is an AC97 audio codec. |
| 614 | |
Ira W. Snyder | 800e69f | 2010-04-07 10:08:01 +0200 | [diff] [blame] | 615 | comment "MODULbus GPIO expanders:" |
| 616 | |
| 617 | config GPIO_JANZ_TTL |
| 618 | tristate "Janz VMOD-TTL Digital IO Module" |
| 619 | depends on MFD_JANZ_CMODIO |
| 620 | help |
| 621 | This enables support for the Janz VMOD-TTL Digital IO module. |
| 622 | This driver provides support for driving the pins in output |
| 623 | mode only. Input mode is not supported. |
| 624 | |
Grant Likely | c103de2 | 2011-06-04 18:38:28 -0600 | [diff] [blame] | 625 | config GPIO_AB8500 |
Bibek Basu | 0cb3fcd | 2011-02-09 11:02:35 +0530 | [diff] [blame] | 626 | bool "ST-Ericsson AB8500 Mixed Signal Circuit gpio functions" |
Thomas Gleixner | 9ad198c | 2011-03-29 04:02:50 +0200 | [diff] [blame] | 627 | depends on AB8500_CORE && BROKEN |
Bibek Basu | 0cb3fcd | 2011-02-09 11:02:35 +0530 | [diff] [blame] | 628 | help |
| 629 | Select this to enable the AB8500 IC GPIO driver |
Jorge Eduardo Candelaria | 83545d8 | 2011-05-16 18:35:37 -0500 | [diff] [blame] | 630 | |
Laxman Dewangan | 72bd986 | 2012-07-18 11:50:48 +0530 | [diff] [blame] | 631 | config GPIO_TPS6586X |
| 632 | bool "TPS6586X GPIO" |
| 633 | depends on MFD_TPS6586X |
| 634 | help |
| 635 | Select this option to enable GPIO driver for the TPS6586X |
| 636 | chip family. |
| 637 | |
Jorge Eduardo Candelaria | 83545d8 | 2011-05-16 18:35:37 -0500 | [diff] [blame] | 638 | config GPIO_TPS65910 |
| 639 | bool "TPS65910 GPIO" |
| 640 | depends on MFD_TPS65910 |
| 641 | help |
| 642 | Select this option to enable GPIO driver for the TPS65910 |
| 643 | chip family. |
Mathias Nyman | 25cf250 | 2012-04-24 11:02:49 +0100 | [diff] [blame] | 644 | |
| 645 | config GPIO_MSIC |
| 646 | bool "Intel MSIC mixed signal gpio support" |
| 647 | depends on MFD_INTEL_MSIC |
| 648 | help |
| 649 | Enable support for GPIO on intel MSIC controllers found in |
| 650 | intel MID devices |
| 651 | |
Michael Buesch | 7444a72 | 2008-07-25 01:46:11 -0700 | [diff] [blame] | 652 | endif |