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