Kernel  |  4.1

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C++程序  |  16行  |  370 B
/*
 * 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