GPIO descriptors are the preferred way over legacy GPIO numbers
nowadays. Convert the driver to use GPIO descriptors internally but
still allow passing legacy GPIO numbers from platform data to support
existing platforms.
Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: NAlexandre Courbot <acourbot@nvidia.com>
Acked-by: NBryan Wu <cooloney@gmail.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Acked-by: NGrant Likely <grant.likely@linaro.org>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>