1config DM_GPIO 2 bool "Enable Driver Model for GPIO drivers" 3 depends on DM 4 help 5 Enable driver model for GPIO access. The standard GPIO 6 interface (gpio_get_value(), etc.) is then implemented by 7 the GPIO uclass. Drivers provide methods to query the 8 particular GPIOs that they provide. The uclass interface 9 is defined in include/asm-generic/gpio.h. 10