[Bug 957] New: No driver for HDQ bus / coulomb counter in new GTA02 battery

[bugzilla-daemon at bugzilla.openmoko.org]

http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=957

           Summary: No driver for HDQ bus / coulomb counter in new GTA02
                    battery
           Product: OpenMoko
           Version: current svn head
          Platform: Neo1973
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: kernel
        AssignedTo: laforge at openmoko.org
        ReportedBy: laforge at openmoko.org
                CC: buglog at lists.openmoko.org


The new battery contains a coulomb counter for accurate charge state reading at
any given time.  The digital interface is HDQ, connected to an open-drain GPIO
of the PCF50633 PMU.  We need a bit-banging HDQ controller driver for the
PCF50633 and a device driver for the actual coulomb counter circuit.



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