tree a815741cf06b44ac98ee3ac65ca8a546970c1a70
parent c1c490e017b66b31f6559db9cbb51a3ce00cf639
author Mike Rapoport <mike@compulab.co.il> 1238716621 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1238724291 -0700

rtc-v3020: add ability to access v3020 chip with GPIOs

The v3020 RTC can be connected to GPIOs as well as to memory-like
interface.  Add ability to use GPIO bit-bang for v3020 read-write access.

[akpm@linux-foundation.org: fix off-by-one in error path]
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>