This is an active low signal to the OV5640.
- powerdown-gpios: reference to the GPIO connected to the powerdown pin,
if any. This is an active high signal to the OV5640.
This is an active low signal to the OV5640.
- powerdown-gpios: reference to the GPIO connected to the powerdown pin,
if any. This is an active high signal to the OV5640.