xref: /openbmc/u-boot/drivers/gpio/Kconfig (revision f7de9e82f64b04ca03ab920815c05312b9be621d)
1 #
2 # GPIO infrastructure and drivers
3 #
4 
5 menu "GPIO Support"
6 
7 config DM_GPIO
8 	bool "Enable Driver Model for GPIO drivers"
9 	depends on DM
10 	help
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.
16 
17 config GPIO_HOG
18 	bool "Enable GPIO hog support"
19 	depends on DM_GPIO
20 	default n
21 	help
22 	  Enable gpio hog support
23 	  The GPIO chip may contain GPIO hog definitions. GPIO hogging
24 	  is a mechanism providing automatic GPIO request and config-
25 	  uration as part of the gpio-controller's driver probe function.
26 
27 config SPL_GPIO_HOG
28 	bool "Enable GPIO hog support in SPL"
29 	depends on SPL_GPIO_SUPPORT
30 	default n
31 	help
32 	  Enable gpio hog support in SPL
33 	  The GPIO chip may contain GPIO hog definitions. GPIO hogging
34 	  is a mechanism providing automatic GPIO request and config-
35 	  uration as part of the gpio-controller's driver probe function.
36 
37 config ALTERA_PIO
38 	bool "Altera PIO driver"
39 	depends on DM_GPIO
40 	help
41 	  Select this to enable PIO for Altera devices. Please find
42 	  details on the "Embedded Peripherals IP User Guide" of Altera.
43 
44 config BCM6345_GPIO
45 	bool "BCM6345 GPIO driver"
46 	depends on DM_GPIO && ARCH_BMIPS
47 	help
48 	  This driver supports the GPIO banks on BCM6345 SoCs.
49 
50 config DWAPB_GPIO
51 	bool "DWAPB GPIO driver"
52 	depends on DM && DM_GPIO
53 	default n
54 	help
55 	  Support for the Designware APB GPIO driver.
56 
57 config AT91_GPIO
58 	bool "AT91 PIO GPIO driver"
59 	depends on DM_GPIO
60 	default n
61 	help
62 	  Say yes here to select AT91 PIO GPIO driver. AT91 PIO
63 	  controller manages up to 32 fully programmable input/output
64 	  lines. Each I/O line may be dedicated as a general-purpose
65 	  I/O or be assigned to a function of an embedded peripheral.
66 	  The assignment to a function of an embedded peripheral is
67 	  the responsibility of AT91 Pinctrl driver. This driver is
68 	  responsible for the general-purpose I/O.
69 
70 config ATMEL_PIO4
71 	bool "ATMEL PIO4 driver"
72 	depends on DM_GPIO
73 	default n
74 	help
75 	  Say yes here to support the Atmel PIO4 driver.
76 	  The PIO4 is new version of Atmel PIO controller, which manages
77 	  up to 128 fully programmable input/output lines. Each I/O line
78 	  may be dedicated as a general purpose I/O or be assigned to
79 	  a function of an embedded peripheral.
80 
81 config ASPEED_GPIO
82 	bool "Aspeed GPIO Driver"
83 	help
84 	  This driver supports the Aspeed GPIO controller
85 
86 config DA8XX_GPIO
87 	bool "DA8xx GPIO Driver"
88 	help
89 	  This driver supports the DA8xx GPIO controller
90 
91 config INTEL_BROADWELL_GPIO
92 	bool "Intel Broadwell GPIO driver"
93 	depends on DM
94 	help
95 	  This driver supports Broadwell U devices which have an expanded
96 	  GPIO feature set. The difference is large enough to merit a separate
97 	  driver from the common Intel ICH6 driver. It supports a total of
98 	  95 GPIOs which can be configured from the device tree.
99 
100 config INTEL_ICH6_GPIO
101 	bool "Intel ICH6 compatible legacy GPIO driver"
102 	depends on DM_GPIO
103 	help
104 	  Say yes here to select Intel ICH6 compatible legacy GPIO driver.
105 
106 config IMX_RGPIO2P
107 	bool "i.MX7ULP RGPIO2P driver"
108 	depends on DM
109 	default n
110 	help
111 	  This driver supports i.MX7ULP Rapid GPIO2P controller.
112 
113 config HSDK_CREG_GPIO
114 	bool "HSDK CREG GPIO griver"
115 	depends on DM_GPIO
116 	default n
117 	help
118 	  This driver supports CREG GPIOs on Synopsys HSDK SOC.
119 
120 config LPC32XX_GPIO
121 	bool "LPC32XX GPIO driver"
122 	depends on DM
123 	default n
124 	help
125 	  Support for the LPC32XX GPIO driver.
126 
127 config MSCC_SGPIO
128 	bool "Microsemi Serial GPIO driver"
129 	depends on DM_GPIO && SOC_VCOREIII
130 	help
131 	  Support for the VCoreIII SoC serial GPIO device. By using a
132           serial interface, the SIO controller significantly extends
133           the number of available GPIOs with a minimum number of
134           additional pins on the device. The primary purpose of the
135           SIO controller is to connect control signals from SFP
136           modules and to act as an LED controller.
137 
138 config MSM_GPIO
139 	bool "Qualcomm GPIO driver"
140 	depends on DM_GPIO
141 	default n
142 	help
143 	  Support GPIO controllers on Qualcomm Snapdragon family of SoCs.
144 	  This controller have single bank (default name "soc"), every
145 	  gpio has it's own set of registers.
146 	  Only simple GPIO operations are supported (get/set, change of
147 	  direction and checking pin function).
148 	  Supported devices:
149 	  - APQ8016
150 	  - MSM8916
151 
152 config MXC_GPIO
153 	bool "Freescale/NXP MXC GPIO driver"
154 	help
155 	  Support GPIO controllers on various i.MX platforms
156 
157 config OMAP_GPIO
158 	bool "TI OMAP GPIO driver"
159 	depends on ARCH_OMAP2PLUS
160 	default y
161 	help
162 	  Support GPIO controllers on the TI OMAP3/4/5 and related (such as
163 	  AM335x/AM43xx/AM57xx/DRA7xx/etc) families of SoCs.
164 
165 config CMD_PCA953X
166 	bool "Enable the pca953x command"
167 	help
168 	  Deprecated: This should be converted to driver model.
169 
170 	  This command provides access to a pca953x GPIO device using the
171 	  legacy GPIO interface. Several subcommands are provided which mirror
172 	  the standard 'gpio' command. It should use that instead.
173 
174 config PM8916_GPIO
175 	bool "Qualcomm PM8916 PMIC GPIO/keypad driver"
176 	depends on DM_GPIO && PMIC_PM8916
177 	help
178 	  Support for GPIO pins and power/reset buttons found on
179 	  Qualcomm PM8916 PMIC.
180 	  Default name for GPIO bank is "pm8916".
181 	  Power and reset buttons are placed in "pm8916_key" bank and
182           have gpio numbers 0 and 1 respectively.
183 
184 config PCF8575_GPIO
185 	bool "PCF8575 I2C GPIO Expander driver"
186 	depends on DM_GPIO && DM_I2C
187 	help
188 	 Support for PCF8575 I2C 16-bit GPIO expander. Most of these
189 	 chips are from NXP and TI.
190 
191 config RCAR_GPIO
192 	bool "Renesas RCar GPIO driver"
193 	depends on DM_GPIO && ARCH_RMOBILE
194 	help
195 	  This driver supports the GPIO banks on Renesas RCar SoCs.
196 
197 config ROCKCHIP_GPIO
198 	bool "Rockchip GPIO driver"
199 	depends on DM_GPIO
200 	help
201 	  Support GPIO access on Rockchip SoCs. The GPIOs are arranged into
202 	  a number of banks (different for each SoC type) each with 32 GPIOs.
203 	  The GPIOs for a device are defined in the device tree with one node
204 	  for each bank.
205 
206 config SANDBOX_GPIO
207 	bool "Enable sandbox GPIO driver"
208 	depends on SANDBOX && DM && DM_GPIO
209 	help
210 	  This driver supports some simulated GPIOs which can be adjusted
211 	  using 'back door' functions like sandbox_gpio_set_value(). Then the
212 	  GPIOs can be inspected through the normal get_get_value()
213 	  interface. The purpose of this is to allow GPIOs to be used as
214 	  normal in sandbox, perhaps with test code actually driving the
215 	  behaviour of those GPIOs.
216 
217 config SANDBOX_GPIO_COUNT
218 	int "Number of sandbox GPIOs"
219 	depends on SANDBOX_GPIO
220 	default 128
221 	help
222 	  The sandbox driver can support any number of GPIOs. Generally these
223 	  are specified using the device tree. But you can also have a number
224 	  of 'anonymous' GPIOs that do not belong to any device or bank.
225 	  Select a suitable value depending on your needs.
226 
227 config XILINX_GPIO
228 	bool "Xilinx GPIO driver"
229 	depends on DM_GPIO
230 	help
231 	  This config enable the Xilinx GPIO driver for Microblaze.
232 
233 config CMD_TCA642X
234 	bool "tca642x - Command to access tca642x state"
235 	help
236 	  DEPRECATED - This needs conversion to driver model
237 
238 	  This provides a way to looking at the pin state of this device.
239 	  This mirrors the 'gpio' command and that should be used in preference
240 	  to custom code.
241 
242 config TEGRA_GPIO
243 	bool "Tegra20..210 GPIO driver"
244 	depends on DM_GPIO
245 	help
246 	  Support for the GPIO controller contained in NVIDIA Tegra20 through
247 	  Tegra210.
248 
249 config TEGRA186_GPIO
250 	bool "Tegra186 GPIO driver"
251 	depends on DM_GPIO
252 	help
253 	  Support for the GPIO controller contained in NVIDIA Tegra186. This
254 	  covers both the "main" and "AON" controller instances, even though
255 	  they have slightly different register layout.
256 
257 config GPIO_UNIPHIER
258 	bool "UniPhier GPIO"
259 	depends on ARCH_UNIPHIER
260 	help
261 	  Say yes here to support UniPhier GPIOs.
262 
263 config VYBRID_GPIO
264 	bool "Vybrid GPIO driver"
265 	depends on DM
266 	default n
267 	help
268 	  Say yes here to support Vybrid vf610 GPIOs.
269 
270 config PIC32_GPIO
271 	bool "Microchip PIC32 GPIO driver"
272 	depends on DM_GPIO && MACH_PIC32
273 	default y
274 	help
275 	  Say yes here to support Microchip PIC32 GPIOs.
276 
277 config STM32F7_GPIO
278 	bool "ST STM32 GPIO driver"
279 	depends on DM_GPIO && (STM32 || ARCH_STM32MP)
280 	default y
281 	help
282 	  Device model driver support for STM32 GPIO controller. It should be
283 	  usable on many stm32 families like stm32f4 & stm32H7.
284 	  Tested on STM32F7.
285 
286 config MVEBU_GPIO
287 	bool "Marvell MVEBU GPIO driver"
288 	depends on DM_GPIO && ARCH_MVEBU
289 	default y
290 	help
291 	  Say yes here to support Marvell MVEBU (Armada XP/38x) GPIOs.
292 
293 config ZYNQ_GPIO
294 	bool "Zynq GPIO driver"
295 	depends on DM_GPIO && (ARCH_ZYNQ || ARCH_ZYNQMP)
296 	default y
297 	help
298 	  Supports GPIO access on Zynq SoC.
299 
300 config DM_74X164
301 	bool "74x164 serial-in/parallel-out 8-bits shift register"
302 	depends on DM_GPIO
303 	help
304 	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs
305 	  shift registers, such as 74lv165, 74hc595.
306 	  This driver can be used to provide access to more gpio outputs.
307 
308 config DM_PCA953X
309 	bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
310 	depends on DM_GPIO
311 	help
312 	  Say yes here to provide access to several register-oriented
313 	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible
314 	  models include:
315 
316 	  4 bits:	pca9536, pca9537
317 
318 	  8 bits:	max7310, max7315, pca6107, pca9534, pca9538, pca9554,
319 			pca9556, pca9557, pca9574, tca6408, xra1202
320 
321 	  16 bits:	max7312, max7313, pca9535, pca9539, pca9555, pca9575,
322 			tca6416
323 
324 	  24 bits:	tca6424
325 
326 	  40 bits:	pca9505, pca9698
327 
328 	  Now, max 24 bits chips and PCA953X compatible chips are
329 	  supported
330 
331 config SPL_DM_PCA953X
332 	bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports in SPL"
333 	depends on DM_GPIO
334 	help
335 	  Say yes here to provide access to several register-oriented
336 	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible
337 	  models include:
338 
339 	  4 bits:	pca9536, pca9537
340 
341 	  8 bits:	max7310, max7315, pca6107, pca9534, pca9538, pca9554,
342 			pca9556, pca9557, pca9574, tca6408, xra1202
343 
344 	  16 bits:	max7312, max7313, pca9535, pca9539, pca9555, pca9575,
345 			tca6416
346 
347 	  24 bits:	tca6424
348 
349 	  40 bits:	pca9505, pca9698
350 
351 	  Now, max 24 bits chips and PCA953X compatible chips are
352 	  supported
353 
354 config MPC8XXX_GPIO
355 	bool "Freescale MPC8XXX GPIO driver"
356 	depends on DM_GPIO
357 	help
358 	  This driver supports the built-in GPIO controller of MPC8XXX CPUs.
359 	  Each GPIO bank is identified by its own entry in the device tree,
360 	  i.e.
361 
362 	  gpio-controller@fc00 {
363 		#gpio-cells = <2>;
364 		compatible = "fsl,pq3-gpio";
365 		reg = <0xfc00 0x100>
366 	  }
367 
368 	  By default, each bank is assumed to have 32 GPIOs, but the ngpios
369 	  setting is honored, so the number of GPIOs for each bank is
370 	  configurable to match the actual GPIO count of the SoC (e.g. the
371 	  32/32/23 banks of the P1022 SoC).
372 
373 	  Aside from the standard functions of input/output mode, and output
374 	  value setting, the open-drain feature, which can configure individual
375 	  GPIOs to work as open-drain outputs, is supported.
376 
377 config MT7621_GPIO
378 	bool "MediaTek MT7621 GPIO driver"
379 	depends on DM_GPIO && ARCH_MT7620
380 	default y
381 	help
382 	  Say yes here to support MediaTek MT7621 compatible GPIOs.
383 
384 endmenu
385