Lines Matching refs:signal
78 defined by the binding for the device. If the board inverts the signal between
80 opposite physical level than the signal at the device's pin.
82 When the device's signal polarity is configurable, the binding for the
85 a) Define a single static polarity for the signal, with the expectation that
87 that signal polarity.
99 concepts of configurable signal polarity in the device, and possible board-
100 level signal inversion.
104 b) Pick a single option for device signal polarity, and document this choice
105 in the binding. The gpio-specifier should represent the polarity of the signal
107 particular signal polarity choice. If software chooses to program the device
108 to generate or receive a signal of the opposite polarity, software will be
109 responsible for correctly interpreting (inverting) the GPIO signal at the GPIO