2 # GPIO infrastructure and drivers
8 bool "Enable Driver Model for GPIO drivers"
11 Enable driver model for GPIO access. The standard GPIO
12 interface (gpio_get_value(), etc.) is then implemented by
13 the GPIO uclass. Drivers provide methods to query the
14 particular GPIOs that they provide. The uclass interface
15 is defined in include/asm-generic/gpio.h.
18 bool "Enable Driver Model for GPIO drivers in SPL"
19 depends on DM_GPIO && SPL_DM && SPL_GPIO
22 Enable driver model for GPIO access in SPL. The standard GPIO
23 interface (gpio_get_value(), etc.) is then implemented by
24 the GPIO uclass. Drivers provide methods to query the
25 particular GPIOs that they provide. The uclass interface
26 is defined in include/asm-generic/gpio.h.
29 bool "Enable Driver Model for GPIO drivers in TPL"
30 depends on DM_GPIO && TPL_DM && TPL_GPIO
33 Enable driver model for GPIO access in TPL. The standard GPIO
34 interface (gpio_get_value(), etc.) is then implemented by
35 the GPIO uclass. Drivers provide methods to query the
36 particular GPIOs that they provide. The uclass interface
37 is defined in include/asm-generic/gpio.h.
40 bool "Enable GPIO hog support"
44 Enable gpio hog support
45 The GPIO chip may contain GPIO hog definitions. GPIO hogging
46 is a mechanism providing automatic GPIO request and config-
47 uration as part of the gpio-controller's driver probe function.
49 config DM_GPIO_LOOKUP_LABEL
50 bool "Enable searching for gpio labelnames"
53 This option enables searching for gpio names in
54 the defined gpio labels, if the search for the
55 gpio bank name failed. This makes sense if you use
56 different gpios on different hardware versions
57 for the same functionality in board code.
59 config SPL_DM_GPIO_LOOKUP_LABEL
60 bool "Enable searching for gpio labelnames"
61 depends on DM_GPIO && SPL_DM && SPL_GPIO
63 This option enables searching for gpio names in
64 the defined gpio labels, if the search for the
65 gpio bank name failed. This makes sense if you use
66 different gpios on different hardware versions
67 for the same functionality in board code.
70 bool "Altera PIO driver"
73 Select this to enable PIO for Altera devices. Please find
74 details on the "Embedded Peripherals IP User Guide" of Altera.
77 bool "BCM6345 GPIO driver"
78 depends on DM_GPIO && (ARCH_BMIPS || ARCH_BCM68360 || \
79 ARCH_BCM6858 || ARCH_BCM63158)
81 This driver supports the GPIO banks on BCM6345 SoCs.
84 bool "Cortina-Access GPIO driver"
85 depends on DM_GPIO && CORTINA_PLATFORM
87 Enable support for the GPIO controller in Cortina CAxxxx SoCs.
88 This driver supports all CPU ISA variants supported by Cortina
92 bool "DWAPB GPIO driver"
93 depends on DM && DM_GPIO
96 Support for the Designware APB GPIO driver.
99 bool "AT91 PIO GPIO driver"
102 Say yes here to select AT91 PIO GPIO driver. AT91 PIO
103 controller manages up to 32 fully programmable input/output
104 lines. Each I/O line may be dedicated as a general-purpose
105 I/O or be assigned to a function of an embedded peripheral.
106 The assignment to a function of an embedded peripheral is
107 the responsibility of AT91 Pinctrl driver. This driver is
108 responsible for the general-purpose I/O.
111 bool "ATMEL PIO4 driver"
115 Say yes here to support the Atmel PIO4 driver.
116 The PIO4 is new version of Atmel PIO controller, which manages
117 up to 128 fully programmable input/output lines. Each I/O line
118 may be dedicated as a general purpose I/O or be assigned to
119 a function of an embedded peripheral.
122 bool "DA8xx GPIO Driver"
124 This driver supports the DA8xx GPIO controller
126 config INTEL_BROADWELL_GPIO
127 bool "Intel Broadwell GPIO driver"
130 This driver supports Broadwell U devices which have an expanded
131 GPIO feature set. The difference is large enough to merit a separate
132 driver from the common Intel ICH6 driver. It supports a total of
133 95 GPIOs which can be configured from the device tree.
136 bool "Intel generic GPIO driver"
139 Say yes here to select Intel generic GPIO driver. This controller
140 supports recent chips (e.g. Apollo Lake). It permits basic GPIO
141 control including setting pins to input/output. It makes use of its
142 parent pinctrl driver to actually effect changes.
144 config INTEL_ICH6_GPIO
145 bool "Intel ICH6 compatible legacy GPIO driver"
148 Say yes here to select Intel ICH6 compatible legacy GPIO driver.
151 bool "i.MX7ULP RGPIO2P driver"
155 This driver supports i.MX7ULP Rapid GPIO2P controller.
158 bool "Broadcom iProc GPIO driver(without pinconf)"
161 The Broadcom iProc based SoCs- Cygnus, NS2, NS3, NSP and Stingray,
162 use the same GPIO Controller IP hence this driver could be used
165 The Broadcom iProc based SoCs have multiple GPIO controllers and only
166 the always-ON GPIO controller (CRMU/AON) is supported by this driver.
168 config HSDK_CREG_GPIO
169 bool "HSDK CREG GPIO griver"
173 This driver supports CREG GPIOs on Synopsys HSDK SOC.
176 bool "LPC32XX GPIO driver"
180 Support for the LPC32XX GPIO driver.
183 bool "MCP230XX GPIO driver"
186 Support for Microchip's MCP230XX I2C connected GPIO devices.
187 The following chips are supported:
193 bool "Microsemi Serial GPIO driver"
194 depends on DM_GPIO && SOC_VCOREIII
196 Support for the VCoreIII SoC serial GPIO device. By using a
197 serial interface, the SIO controller significantly extends
198 the number of available GPIOs with a minimum number of
199 additional pins on the device. The primary purpose of the
200 SIO controller is to connect control signals from SFP
201 modules and to act as an LED controller.
204 bool "Qualcomm GPIO driver"
208 Support GPIO controllers on Qualcomm Snapdragon family of SoCs.
209 This controller have single bank (default name "soc"), every
210 gpio has it's own set of registers.
211 Only simple GPIO operations are supported (get/set, change of
212 direction and checking pin function).
218 bool "Freescale/NXP MXC GPIO driver"
220 Support GPIO controllers on various i.MX platforms
223 bool "Freescale/NXP MXS GPIO driver"
225 Support GPIO controllers on i.MX23 and i.MX28 platforms
228 bool "TI OMAP GPIO driver"
229 depends on ARCH_OMAP2PLUS
232 Support GPIO controllers on the TI OMAP3/4/5 and related (such as
233 AM335x/AM43xx/AM57xx/DRA7xx/etc) families of SoCs.
236 bool "Enable the pca953x command"
238 Deprecated: This should be converted to driver model.
240 This command provides access to a pca953x GPIO device using the
241 legacy GPIO interface. Several subcommands are provided which mirror
242 the standard 'gpio' command. It should use that instead.
245 bool "Qualcomm PM8916 PMIC GPIO/keypad driver"
246 depends on DM_GPIO && PMIC_PM8916
248 Support for GPIO pins and power/reset buttons found on
249 Qualcomm PM8916 PMIC.
250 Default name for GPIO bank is "pm8916".
251 Power and reset buttons are placed in "pm8916_key" bank and
252 have gpio numbers 0 and 1 respectively.
255 bool "PCF8575 I2C GPIO Expander driver"
256 depends on DM_GPIO && DM_I2C
258 Support for PCF8575 I2C 16-bit GPIO expander. Most of these
259 chips are from NXP and TI.
262 bool "Renesas RCar GPIO driver"
263 depends on DM_GPIO && ARCH_RMOBILE
265 This driver supports the GPIO banks on Renesas RCar SoCs.
268 bool "Renesas RZ/A1 GPIO driver"
269 depends on DM_GPIO && RZA1
271 This driver supports the GPIO banks on Renesas RZ/A1 R7S72100 SoCs.
274 bool "Rockchip GPIO driver"
277 Support GPIO access on Rockchip SoCs. The GPIOs are arranged into
278 a number of banks (different for each SoC type) each with 32 GPIOs.
279 The GPIOs for a device are defined in the device tree with one node
283 bool "Enable sandbox GPIO driver"
284 depends on SANDBOX && DM && DM_GPIO
286 This driver supports some simulated GPIOs which can be adjusted
287 using 'back door' functions like sandbox_gpio_set_value(). Then the
288 GPIOs can be inspected through the normal get_get_value()
289 interface. The purpose of this is to allow GPIOs to be used as
290 normal in sandbox, perhaps with test code actually driving the
291 behaviour of those GPIOs.
293 config SANDBOX_GPIO_COUNT
294 int "Number of sandbox GPIOs"
295 depends on SANDBOX_GPIO
298 The sandbox driver can support any number of GPIOs. Generally these
299 are specified using the device tree. But you can also have a number
300 of 'anonymous' GPIOs that do not belong to any device or bank.
301 Select a suitable value depending on your needs.
304 bool "Allwinner GPIO driver"
305 depends on ARCH_SUNXI
307 Support the GPIO device in Allwinner SoCs.
310 bool "Xilinx GPIO driver"
313 This config enable the Xilinx GPIO driver for Microblaze.
316 bool "tca642x - Command to access tca642x state"
318 DEPRECATED - This needs conversion to driver model
320 This provides a way to looking at the pin state of this device.
321 This mirrors the 'gpio' command and that should be used in preference
325 bool "Tegra20..210 GPIO driver"
328 Support for the GPIO controller contained in NVIDIA Tegra20 through
332 bool "Tegra186 GPIO driver"
335 Support for the GPIO controller contained in NVIDIA Tegra186. This
336 covers both the "main" and "AON" controller instances, even though
337 they have slightly different register layout.
341 depends on ARCH_UNIPHIER
343 Say yes here to support UniPhier GPIOs.
346 bool "Vybrid GPIO driver"
350 Say yes here to support Vybrid vf610 GPIOs.
353 bool "Microchip PIC32 GPIO driver"
354 depends on DM_GPIO && MACH_PIC32
357 Say yes here to support Microchip PIC32 GPIOs.
360 bool "Octeon II/III/TX/TX2 GPIO driver"
361 depends on DM_GPIO && DM_PCI && (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2)
364 Add support for the Marvell Octeon GPIO driver. This is used with
365 various Octeon parts such as Octeon II/III and OcteonTX/TX2.
366 Octeon II/III has 32 GPIOs (count defined via DT) and OcteonTX/TX2
367 has 64 GPIOs (count defined via internal register).
370 bool "ST STM32 GPIO driver"
371 depends on DM_GPIO && (ARCH_STM32 || ARCH_STM32MP)
374 Device model driver support for STM32 GPIO controller. It should be
375 usable on many stm32 families like stm32f4/f7/h7 and stm32mp1.
379 bool "SiFive GPIO driver"
382 Device model driver for GPIO controller present in SiFive FU540 SoC. This
383 driver enables GPIO interface on HiFive Unleashed A00 board.
386 bool "Marvell MVEBU GPIO driver"
387 depends on DM_GPIO && (ARCH_MVEBU || ARCH_KIRKWOOD)
390 Say yes here to support Marvell MVEBU (Armada XP/38x) GPIOs.
393 bool "Zynq GPIO driver"
395 default y if ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL
397 Supports GPIO access on Zynq SoC.
400 bool "74x164 serial-in/parallel-out 8-bits shift register"
403 Driver for 74x164 compatible serial-in/parallel-out 8-outputs
404 shift registers, such as 74lv165, 74hc595.
405 This driver can be used to provide access to more gpio outputs.
408 bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
409 depends on DM_GPIO && DM_I2C
411 Say yes here to provide access to several register-oriented
412 SMBus I/O expanders, made mostly by NXP or TI. Compatible
415 4 bits: pca9536, pca9537
417 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
418 pca9556, pca9557, pca9574, tca6408, xra1202
420 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
425 40 bits: pca9505, pca9698
427 Now, max 24 bits chips and PCA953X compatible chips are
430 config SPL_DM_PCA953X
431 bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports in SPL"
434 Say yes here to provide access to several register-oriented
435 SMBus I/O expanders, made mostly by NXP or TI. Compatible
438 4 bits: pca9536, pca9537
440 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
441 pca9556, pca9557, pca9574, tca6408, xra1202
443 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
448 40 bits: pca9505, pca9698
450 Now, max 24 bits chips and PCA953X compatible chips are
454 bool "Freescale MPC8XXX GPIO driver"
457 This driver supports the built-in GPIO controller of MPC8XXX CPUs.
458 Each GPIO bank is identified by its own entry in the device tree,
461 gpio-controller@fc00 {
463 compatible = "fsl,pq3-gpio";
467 By default, each bank is assumed to have 32 GPIOs, but the ngpios
468 setting is honored, so the number of GPIOs for each bank is
469 configurable to match the actual GPIO count of the SoC (e.g. the
470 32/32/23 banks of the P1022 SoC).
472 Aside from the standard functions of input/output mode, and output
473 value setting, the open-drain feature, which can configure individual
474 GPIOs to work as open-drain outputs, is supported.
476 config MPC83XX_SPISEL_BOOT
477 bool "Freescale MPC83XX SPISEL_BOOT driver"
478 depends on DM_GPIO && ARCH_MPC830X
480 GPIO driver to set/clear dedicated SPISEL_BOOT output on MPC83XX.
482 This pin is typically used as spi chip select to a spi nor flash.
485 bool "MediaTek MT7620 GPIO driver"
486 depends on DM_GPIO && SOC_MT7620
489 Device model driver for GPIO controller present in MediaTek MT7620
493 bool "MediaTek MT7621 GPIO driver"
494 depends on DM_GPIO && SOC_MT7628
497 Say yes here to support MediaTek MT7621 compatible GPIOs.
500 bool "Nexell GPIO driver"
503 Support GPIO access on Nexell SoCs. The GPIOs are arranged into
504 a number of banks (different for each SoC type) each with 32 GPIOs.
505 The GPIOs for a device are defined in the device tree with one node
509 bool "Nomadik GPIO driver"
512 Support GPIO access on ST-Ericsson Ux500 SoCs. The GPIOs are arranged
513 into a number of banks each with 32 GPIOs. The GPIOs for a device are
514 defined in the device tree with one node for each bank.