root@j721e-evm:~# zcat /proc/config.gz | grep GPIO
# CONFIG_RFKILL_GPIO is not set
# CONFIG_MTD_PHYSMAP_GPIO_ADDR is not set
# CONFIG_MTD_NAND_GPIO is not set
CONFIG_MDIO_GPIO=y
# CONFIG_MDIO_BUS_MUX_GPIO is not set
CONFIG_KEYBOARD_GPIO=y
# CONFIG_KEYBOARD_GPIO_POLLED is not set
# CONFIG_MOUSE_GPIO is not set
# CONFIG_INPUT_GPIO_BEEPER is not set
# CONFIG_INPUT_GPIO_DECODER is not set
# CONFIG_INPUT_GPIO_VIBRA is not set
# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
# CONFIG_SERIO_GPIO_PS2 is not set
CONFIG_SERIAL_MCTRL_GPIO=y
# CONFIG_I2C_ARB_GPIO_CHALLENGE is not set
# CONFIG_I2C_MUX_GPIO is not set
# CONFIG_I2C_CBUS_GPIO is not set
CONFIG_I2C_GPIO=m
# CONFIG_I2C_GPIO_FAULT_INJECTOR is not set
# CONFIG_SPI_GPIO is not set
# CONFIG_PPS_CLIENT_GPIO is not set
# CONFIG_PINCTRL_MICROCHIP_SGPIO is not set
CONFIG_GPIOLIB=y
CONFIG_GPIOLIB_FASTPATH_LIMIT=512
CONFIG_OF_GPIO=y
CONFIG_GPIOLIB_IRQCHIP=y
# CONFIG_DEBUG_GPIO is not set
CONFIG_GPIO_CDEV=y
CONFIG_GPIO_CDEV_V1=y
CONFIG_GPIO_GENERIC=y
CONFIG_GPIO_REGMAP=y
# Memory mapped GPIO drivers
# CONFIG_GPIO_74XX_MMIO is not set
# CONFIG_GPIO_ALTERA is not set
# CONFIG_GPIO_CADENCE is not set
CONFIG_GPIO_DAVINCI=y
# CONFIG_GPIO_DWAPB is not set
# CONFIG_GPIO_EXAR is not set
# CONFIG_GPIO_FTGPIO010 is not set
CONFIG_GPIO_GENERIC_PLATFORM=y
# CONFIG_GPIO_GRGPIO is not set
# CONFIG_GPIO_HISI is not set
# CONFIG_GPIO_HLWD is not set
# CONFIG_GPIO_LOGICVC is not set
# CONFIG_GPIO_MB86S7X is not set
# CONFIG_GPIO_PL061 is not set
# CONFIG_GPIO_SIFIVE is not set
CONFIG_GPIO_SYSCON=y
# CONFIG_GPIO_XGENE is not set
# CONFIG_GPIO_XILINX is not set
# CONFIG_GPIO_AMD_FCH is not set
# end of Memory mapped GPIO drivers
# I2C GPIO expanders
# CONFIG_GPIO_ADNP is not set
# CONFIG_GPIO_FXL6408 is not set
# CONFIG_GPIO_DS4520 is not set
# CONFIG_GPIO_GW_PLD is not set
# CONFIG_GPIO_MAX7300 is not set
CONFIG_GPIO_MAX732X=y
# CONFIG_GPIO_MAX732X_IRQ is not set
CONFIG_GPIO_PCA953X=y
CONFIG_GPIO_PCA953X_IRQ=y
# CONFIG_GPIO_PCA9570 is not set
# CONFIG_GPIO_PCF857X is not set
# CONFIG_GPIO_TPIC2810 is not set
# end of I2C GPIO expanders
# MFD GPIO expanders
CONFIG_GPIO_BD9571MWV=m
CONFIG_GPIO_MAX77620=y
CONFIG_GPIO_TPS65219=y
# CONFIG_GPIO_WM8994 is not set
# end of MFD GPIO expanders
# PCI GPIO expanders
# CONFIG_GPIO_BT8XX is not set
# CONFIG_GPIO_PCI_IDIO_16 is not set
# CONFIG_GPIO_PCIE_IDIO_24 is not set
# CONFIG_GPIO_RDC321X is not set
# end of PCI GPIO expanders
# SPI GPIO expanders
# CONFIG_GPIO_74X164 is not set
# CONFIG_GPIO_MAX3191X is not set
# CONFIG_GPIO_MAX7301 is not set
# CONFIG_GPIO_MC33880 is not set
# CONFIG_GPIO_PISOSR is not set
# CONFIG_GPIO_XRA1403 is not set
# end of SPI GPIO expanders
# USB GPIO expanders
# end of USB GPIO expanders
# Virtual GPIO drivers
# CONFIG_GPIO_AGGREGATOR is not set
# CONFIG_GPIO_LATCH is not set
# CONFIG_GPIO_MOCKUP is not set
# CONFIG_GPIO_VIRTIO is not set
# CONFIG_GPIO_SIM is not set
# end of Virtual GPIO drivers
# CONFIG_POWER_RESET_GPIO is not set
# CONFIG_POWER_RESET_GPIO_RESTART is not set
# CONFIG_CHARGER_GPIO is not set
CONFIG_SENSORS_GPIO_FAN=m
# CONFIG_GPIO_WATCHDOG is not set
CONFIG_REGULATOR_GPIO=y
# CONFIG_BACKLIGHT_GPIO is not set
CONFIG_USB_CONN_GPIO=y
CONFIG_TYPEC_MUX_GPIO_SBU=m
# CONFIG_LEDS_PCA9532_GPIO is not set
CONFIG_LEDS_GPIO=y
# CONFIG_EXTCON_GPIO is not set
CONFIG_EXTCON_USB_GPIO=y
CONFIG_MUX_GPIO=m