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