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_BITBANG_SPI_GPIO 103 bool "Microsemi bitbang spi GPIO driver" 104 depends on DM_GPIO && SOC_VCOREIII 105 help 106 Support controlling the GPIO used for SPI bitbang by software. Can 107 be used by the VCoreIII SoCs, but it was mainly useful for Luton. 108 109config MSM_GPIO 110 bool "Qualcomm GPIO driver" 111 depends on DM_GPIO 112 default n 113 help 114 Support GPIO controllers on Qualcomm Snapdragon family of SoCs. 115 This controller have single bank (default name "soc"), every 116 gpio has it's own set of registers. 117 Only simple GPIO operations are supported (get/set, change of 118 direction and checking pin function). 119 Supported devices: 120 - APQ8016 121 - MSM8916 122 123config MXC_GPIO 124 bool "Freescale/NXP MXC GPIO driver" 125 help 126 Support GPIO controllers on various i.MX platforms 127 128config OMAP_GPIO 129 bool "TI OMAP GPIO driver" 130 depends on ARCH_OMAP2PLUS 131 default y 132 help 133 Support GPIO controllers on the TI OMAP3/4/5 and related (such as 134 AM335x/AM43xx/AM57xx/DRA7xx/etc) families of SoCs. 135 136config CMD_PCA953X 137 bool "Enable the pca953x command" 138 help 139 Deprecated: This should be converted to driver model. 140 141 This command provides access to a pca953x GPIO device using the 142 legacy GPIO interface. Several subcommands are provided which mirror 143 the standard 'gpio' command. It should use that instead. 144 145config PM8916_GPIO 146 bool "Qualcomm PM8916 PMIC GPIO/keypad driver" 147 depends on DM_GPIO && PMIC_PM8916 148 help 149 Support for GPIO pins and power/reset buttons found on 150 Qualcomm PM8916 PMIC. 151 Default name for GPIO bank is "pm8916". 152 Power and reset buttons are placed in "pm8916_key" bank and 153 have gpio numbers 0 and 1 respectively. 154 155config PCF8575_GPIO 156 bool "PCF8575 I2C GPIO Expander driver" 157 depends on DM_GPIO && DM_I2C 158 help 159 Support for PCF8575 I2C 16-bit GPIO expander. Most of these 160 chips are from NXP and TI. 161 162config RCAR_GPIO 163 bool "Renesas RCar GPIO driver" 164 depends on DM_GPIO && ARCH_RMOBILE 165 help 166 This driver supports the GPIO banks on Renesas RCar SoCs. 167 168config ROCKCHIP_GPIO 169 bool "Rockchip GPIO driver" 170 depends on DM_GPIO 171 help 172 Support GPIO access on Rockchip SoCs. The GPIOs are arranged into 173 a number of banks (different for each SoC type) each with 32 GPIOs. 174 The GPIOs for a device are defined in the device tree with one node 175 for each bank. 176 177config SANDBOX_GPIO 178 bool "Enable sandbox GPIO driver" 179 depends on SANDBOX && DM && DM_GPIO 180 help 181 This driver supports some simulated GPIOs which can be adjusted 182 using 'back door' functions like sandbox_gpio_set_value(). Then the 183 GPIOs can be inspected through the normal get_get_value() 184 interface. The purpose of this is to allow GPIOs to be used as 185 normal in sandbox, perhaps with test code actually driving the 186 behaviour of those GPIOs. 187 188config SANDBOX_GPIO_COUNT 189 int "Number of sandbox GPIOs" 190 depends on SANDBOX_GPIO 191 default 128 192 help 193 The sandbox driver can support any number of GPIOs. Generally these 194 are specified using the device tree. But you can also have a number 195 of 'anonymous' GPIOs that do not belong to any device or bank. 196 Select a suitable value depending on your needs. 197 198config XILINX_GPIO 199 bool "Xilinx GPIO driver" 200 depends on DM_GPIO 201 help 202 This config enable the Xilinx GPIO driver for Microblaze. 203 204config CMD_TCA642X 205 bool "tca642x - Command to access tca642x state" 206 help 207 DEPRECATED - This needs conversion to driver model 208 209 This provides a way to looking at the pin state of this device. 210 This mirrors the 'gpio' command and that should be used in preference 211 to custom code. 212 213config TEGRA_GPIO 214 bool "Tegra20..210 GPIO driver" 215 depends on DM_GPIO 216 help 217 Support for the GPIO controller contained in NVIDIA Tegra20 through 218 Tegra210. 219 220config TEGRA186_GPIO 221 bool "Tegra186 GPIO driver" 222 depends on DM_GPIO 223 help 224 Support for the GPIO controller contained in NVIDIA Tegra186. This 225 covers both the "main" and "AON" controller instances, even though 226 they have slightly different register layout. 227 228config GPIO_UNIPHIER 229 bool "UniPhier GPIO" 230 depends on ARCH_UNIPHIER 231 help 232 Say yes here to support UniPhier GPIOs. 233 234config VYBRID_GPIO 235 bool "Vybrid GPIO driver" 236 depends on DM 237 default n 238 help 239 Say yes here to support Vybrid vf610 GPIOs. 240 241config PIC32_GPIO 242 bool "Microchip PIC32 GPIO driver" 243 depends on DM_GPIO && MACH_PIC32 244 default y 245 help 246 Say yes here to support Microchip PIC32 GPIOs. 247 248config STM32F7_GPIO 249 bool "ST STM32 GPIO driver" 250 depends on DM_GPIO && (STM32 || ARCH_STM32MP) 251 default y 252 help 253 Device model driver support for STM32 GPIO controller. It should be 254 usable on many stm32 families like stm32f4 & stm32H7. 255 Tested on STM32F7. 256 257config MVEBU_GPIO 258 bool "Marvell MVEBU GPIO driver" 259 depends on DM_GPIO && ARCH_MVEBU 260 default y 261 help 262 Say yes here to support Marvell MVEBU (Armada XP/38x) GPIOs. 263 264config ZYNQ_GPIO 265 bool "Zynq GPIO driver" 266 depends on DM_GPIO && (ARCH_ZYNQ || ARCH_ZYNQMP) 267 default y 268 help 269 Supports GPIO access on Zynq SoC. 270 271config DM_74X164 272 bool "74x164 serial-in/parallel-out 8-bits shift register" 273 depends on DM_GPIO 274 help 275 Driver for 74x164 compatible serial-in/parallel-out 8-outputs 276 shift registers, such as 74lv165, 74hc595. 277 This driver can be used to provide access to more gpio outputs. 278 279config DM_PCA953X 280 bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports" 281 depends on DM_GPIO 282 help 283 Say yes here to provide access to several register-oriented 284 SMBus I/O expanders, made mostly by NXP or TI. Compatible 285 models include: 286 287 4 bits: pca9536, pca9537 288 289 8 bits: max7310, max7315, pca6107, pca9534, pca9538, pca9554, 290 pca9556, pca9557, pca9574, tca6408, xra1202 291 292 16 bits: max7312, max7313, pca9535, pca9539, pca9555, pca9575, 293 tca6416 294 295 24 bits: tca6424 296 297 40 bits: pca9505, pca9698 298 299 Now, max 24 bits chips and PCA953X compatible chips are 300 supported 301 302config MPC8XXX_GPIO 303 bool "Freescale MPC8XXX GPIO driver" 304 depends on DM_GPIO 305 help 306 This driver supports the built-in GPIO controller of MPC8XXX CPUs. 307 Each GPIO bank is identified by its own entry in the device tree, 308 i.e. 309 310 gpio-controller@fc00 { 311 #gpio-cells = <2>; 312 compatible = "fsl,pq3-gpio"; 313 reg = <0xfc00 0x100> 314 } 315 316 By default, each bank is assumed to have 32 GPIOs, but the ngpios 317 setting is honored, so the number of GPIOs for each bank is 318 configurable to match the actual GPIO count of the SoC (e.g. the 319 32/32/23 banks of the P1022 SoC). 320 321 Aside from the standard functions of input/output mode, and output 322 value setting, the open-drain feature, which can configure individual 323 GPIOs to work as open-drain outputs, is supported. 324 325config MT7621_GPIO 326 bool "MediaTek MT7621 GPIO driver" 327 depends on DM_GPIO && ARCH_MT7620 328 default y 329 help 330 Say yes here to support MediaTek MT7621 compatible GPIOs. 331 332endmenu 333