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_SUPPORT
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_SUPPORT
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_SUPPORT
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 "Microsemi Serial GPIO driver"
184 depends on DM_GPIO && SOC_VCOREIII
186 Support for the VCoreIII SoC serial GPIO device. By using a
187 serial interface, the SIO controller significantly extends
188 the number of available GPIOs with a minimum number of
189 additional pins on the device. The primary purpose of the
190 SIO controller is to connect control signals from SFP
191 modules and to act as an LED controller.
194 bool "Qualcomm GPIO driver"
198 Support GPIO controllers on Qualcomm Snapdragon family of SoCs.
199 This controller have single bank (default name "soc"), every
200 gpio has it's own set of registers.
201 Only simple GPIO operations are supported (get/set, change of
202 direction and checking pin function).
208 bool "Freescale/NXP MXC GPIO driver"
210 Support GPIO controllers on various i.MX platforms
213 bool "Freescale/NXP MXS GPIO driver"
215 Support GPIO controllers on i.MX23 and i.MX28 platforms
218 bool "TI OMAP GPIO driver"
219 depends on ARCH_OMAP2PLUS
222 Support GPIO controllers on the TI OMAP3/4/5 and related (such as
223 AM335x/AM43xx/AM57xx/DRA7xx/etc) families of SoCs.
226 bool "Enable the pca953x command"
228 Deprecated: This should be converted to driver model.
230 This command provides access to a pca953x GPIO device using the
231 legacy GPIO interface. Several subcommands are provided which mirror
232 the standard 'gpio' command. It should use that instead.
235 bool "Qualcomm PM8916 PMIC GPIO/keypad driver"
236 depends on DM_GPIO && PMIC_PM8916
238 Support for GPIO pins and power/reset buttons found on
239 Qualcomm PM8916 PMIC.
240 Default name for GPIO bank is "pm8916".
241 Power and reset buttons are placed in "pm8916_key" bank and
242 have gpio numbers 0 and 1 respectively.
245 bool "PCF8575 I2C GPIO Expander driver"
246 depends on DM_GPIO && DM_I2C
248 Support for PCF8575 I2C 16-bit GPIO expander. Most of these
249 chips are from NXP and TI.
252 bool "Renesas RCar GPIO driver"
253 depends on DM_GPIO && ARCH_RMOBILE
255 This driver supports the GPIO banks on Renesas RCar SoCs.
258 bool "Renesas RZ/A1 GPIO driver"
259 depends on DM_GPIO && RZA1
261 This driver supports the GPIO banks on Renesas RZ/A1 R7S72100 SoCs.
264 bool "Rockchip GPIO driver"
267 Support GPIO access on Rockchip SoCs. The GPIOs are arranged into
268 a number of banks (different for each SoC type) each with 32 GPIOs.
269 The GPIOs for a device are defined in the device tree with one node
273 bool "Enable sandbox GPIO driver"
274 depends on SANDBOX && DM && DM_GPIO
276 This driver supports some simulated GPIOs which can be adjusted
277 using 'back door' functions like sandbox_gpio_set_value(). Then the
278 GPIOs can be inspected through the normal get_get_value()
279 interface. The purpose of this is to allow GPIOs to be used as
280 normal in sandbox, perhaps with test code actually driving the
281 behaviour of those GPIOs.
283 config SANDBOX_GPIO_COUNT
284 int "Number of sandbox GPIOs"
285 depends on SANDBOX_GPIO
288 The sandbox driver can support any number of GPIOs. Generally these
289 are specified using the device tree. But you can also have a number
290 of 'anonymous' GPIOs that do not belong to any device or bank.
291 Select a suitable value depending on your needs.
294 bool "Allwinner GPIO driver"
295 depends on ARCH_SUNXI
297 Support the GPIO device in Allwinner SoCs.
300 bool "Xilinx GPIO driver"
303 This config enable the Xilinx GPIO driver for Microblaze.
306 bool "tca642x - Command to access tca642x state"
308 DEPRECATED - This needs conversion to driver model
310 This provides a way to looking at the pin state of this device.
311 This mirrors the 'gpio' command and that should be used in preference
315 bool "Tegra20..210 GPIO driver"
318 Support for the GPIO controller contained in NVIDIA Tegra20 through
322 bool "Tegra186 GPIO driver"
325 Support for the GPIO controller contained in NVIDIA Tegra186. This
326 covers both the "main" and "AON" controller instances, even though
327 they have slightly different register layout.
331 depends on ARCH_UNIPHIER
333 Say yes here to support UniPhier GPIOs.
336 bool "Vybrid GPIO driver"
340 Say yes here to support Vybrid vf610 GPIOs.
343 bool "Microchip PIC32 GPIO driver"
344 depends on DM_GPIO && MACH_PIC32
347 Say yes here to support Microchip PIC32 GPIOs.
350 bool "Octeon II/III/TX/TX2 GPIO driver"
351 depends on DM_GPIO && DM_PCI && (ARCH_OCTEON || ARCH_OCTEONTX || ARCH_OCTEONTX2)
354 Add support for the Marvell Octeon GPIO driver. This is used with
355 various Octeon parts such as Octeon II/III and OcteonTX/TX2.
356 Octeon II/III has 32 GPIOs (count defined via DT) and OcteonTX/TX2
357 has 64 GPIOs (count defined via internal register).
360 bool "ST STM32 GPIO driver"
361 depends on DM_GPIO && (ARCH_STM32 || ARCH_STM32MP)
364 Device model driver support for STM32 GPIO controller. It should be
365 usable on many stm32 families like stm32f4/f7/h7 and stm32mp1.
369 bool "SiFive GPIO driver"
372 Device model driver for GPIO controller present in SiFive FU540 SoC. This
373 driver enables GPIO interface on HiFive Unleashed A00 board.
376 bool "Marvell MVEBU GPIO driver"
377 depends on DM_GPIO && ARCH_MVEBU
380 Say yes here to support Marvell MVEBU (Armada XP/38x) GPIOs.
383 bool "Zynq GPIO driver"
384 depends on DM_GPIO && (ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL)
387 Supports GPIO access on Zynq SoC.
390 bool "74x164 serial-in/parallel-out 8-bits shift register"
393 Driver for 74x164 compatible serial-in/parallel-out 8-outputs
394 shift registers, such as 74lv165, 74hc595.
395 This driver can be used to provide access to more gpio outputs.
398 bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
401 Say yes here to provide access to several register-oriented
402 SMBus I/O expanders, made mostly by NXP or TI. Compatible
405 4 bits: pca9536, pca9537
407 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
408 pca9556, pca9557, pca9574, tca6408, xra1202
410 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
415 40 bits: pca9505, pca9698
417 Now, max 24 bits chips and PCA953X compatible chips are
420 config SPL_DM_PCA953X
421 bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports in SPL"
424 Say yes here to provide access to several register-oriented
425 SMBus I/O expanders, made mostly by NXP or TI. Compatible
428 4 bits: pca9536, pca9537
430 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554,
431 pca9556, pca9557, pca9574, tca6408, xra1202
433 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575,
438 40 bits: pca9505, pca9698
440 Now, max 24 bits chips and PCA953X compatible chips are
444 bool "Freescale MPC8XXX GPIO driver"
447 This driver supports the built-in GPIO controller of MPC8XXX CPUs.
448 Each GPIO bank is identified by its own entry in the device tree,
451 gpio-controller@fc00 {
453 compatible = "fsl,pq3-gpio";
457 By default, each bank is assumed to have 32 GPIOs, but the ngpios
458 setting is honored, so the number of GPIOs for each bank is
459 configurable to match the actual GPIO count of the SoC (e.g. the
460 32/32/23 banks of the P1022 SoC).
462 Aside from the standard functions of input/output mode, and output
463 value setting, the open-drain feature, which can configure individual
464 GPIOs to work as open-drain outputs, is supported.
466 config MPC83XX_SPISEL_BOOT
467 bool "Freescale MPC83XX SPISEL_BOOT driver"
468 depends on DM_GPIO && ARCH_MPC830X
470 GPIO driver to set/clear dedicated SPISEL_BOOT output on MPC83XX.
472 This pin is typically used as spi chip select to a spi nor flash.
475 bool "MediaTek MT7621 GPIO driver"
476 depends on DM_GPIO && SOC_MT7628
479 Say yes here to support MediaTek MT7621 compatible GPIOs.
482 bool "Nexell GPIO driver"
485 Support GPIO access on Nexell SoCs. The GPIOs are arranged into
486 a number of banks (different for each SoC type) each with 32 GPIOs.
487 The GPIOs for a device are defined in the device tree with one node