/* * This header provides constants for most PWM bindings. * * Most PWM bindings can include a flags cell as part of the PWM specifier. * In most cases, the format of the flags cell uses the standard values * defined in this header. */ #ifndef _DT_BINDINGS_PWM_PWM_H #define _DT_BINDINGS_PWM_PWM_H /* * polarity of a PWM signal * @PWM_POLARITY_NORMAL: a high signal for the duration of the duty- * cycle, followed by a low signal for the remainder of the pulse * period * @PWM_POLARITY_INVERTED: a low signal for the duration of the duty- * cycle, followed by a high signal for the remainder of the pulse * period */ #define PWM_POLARITY_NORMAL (0) #define PWM_POLARITY_INVERTED (1 << 0) #endif