Thanks to help with data and testing from Christer Andersson 620LX
support has been improved in -current.

. us/uk/eu keyboard map (primary layer)
. touch panel (actually - it turned out to be identical to 680)
. lcd control (on/off, brightness, contrast)

SY, Uwe
-- 
uwe@ptc.spbu.ru                         |       Zu Grunde kommen
http://www.ptc.spbu.ru/~uwe/            |       Ist zu Grunde gehen