On Fri, Mar 16, 2018 at 01:51:01PM +0100, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <[email protected]> > > Introduce a driver for the ACPI Time and Alarm Device (TAD) based on > Section 9.18 of ACPI 6.2. > > This driver only supports the system wakeup capabilities of the TAD > which are mandatory. Support for the RTC capabilities of the TAD > will be added to it in the future. > > This driver is entirely sysfs-based. It provides attributes (under > the TAD platform device) to allow user space to manage the AC and DC > wakeup timers of the TAD: set and read their values, set and check > their expire timer wake policies, check and clear their status and > check the capabilities of the TAD reported by AML. The DC timer > attributes are only present if the TAD supports a separate DC alarm > timer. > > The wakeup events handling and power management of the TAD is > expected to be taken care of by the ACPI PM domain attached to its > platform device. > > Signed-off-by: Rafael J. Wysocki <[email protected]>
Reviewed-by: Mika Westerberg <[email protected]>
