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2014-12-30rtc: Add an RTC driver for the AS3722 PMIC.Gabe Black
The AS3722 PMIC, like many PMICs, has an RTC built into it. This change adds a driver for it which implements the new RTC API. BUG=None TEST=Built and booted with the event log code modified to use this interface. Verified that events had accurate timestamps. BRANCH=nyan Original-Change-Id: I400adccbf84221dcba8d520276bb91b389f72268 Original-Signed-off-by: Gabe Black <gabeblack@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/197796 Original-Reviewed-by: Gabe Black <gabeblack@chromium.org> Original-Tested-by: Gabe Black <gabeblack@chromium.org> Original-Commit-Queue: Gabe Black <gabeblack@chromium.org> (cherry picked from commit 011e49beba3a99abbd122866891e3c20bf1188d2) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: Ibc1d342062c7853a30d195496c077e37a02b35b0 Reviewed-on: http://review.coreboot.org/7890 Reviewed-by: David Hendricks <dhendrix@chromium.org> Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>