config DM_GPIO bool "Enable Driver Model for GPIO drivers" depends on DM help Enable driver model for GPIO access. The standard GPIO interface (gpio_get_value(), etc.) is then implemented by the GPIO uclass. Drivers provide methods to query the particular GPIOs that they provide. The uclass interface is defined in include/asm-generic/gpio.h. config LPC32XX_GPIO bool "LPC32XX GPIO driver" depends on DM default n help Support for the LPC32XX GPIO driver.