关键词：dt-bindings/gpio/gpio.h,linux_3.10,rockchip,dt-bindings
linux_3.10 — dt-bindings/gpio/gpio.h
/* * This header provides constants for most GPIO bindings. * * Most GPIO bindings include a flags cell as part of the GPIO specifier. * In most cases, the format of the flags cell uses the standard values * defined in this header. */ #ifndef _DT_BINDINGS_GPIO_GPIO_H #define _DT_BINDINGS_GPIO_GPIO_H #define GPIO_ACTIVE_HIGH 0 #define GPIO_ACTIVE_LOW 1 #endif