This driver implements support for the Grove Water Flow sensor. It
uses an integrated hall effect sensor, connected to a GPIO configured
as an interrupt, to compute water flow in LPM (Liters Per Minute).
Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: John Van Drasek <john.r.van.drasek@intel.com>