HSI changes for the v3.16 series:

 - Add some documentation for the HSI subsystem

 - Add Device Tree support for the HSI subsystem

 - Add OMAP3 SSI driver (SSI is a legacy variant of HSI)

 - Add Nokia N900 Modem driver (without speech support for now)
HSI: Introduce Nokia N900 modem driver

The Nokia N900's modem is connected via Synchronous Serial Interface (SSI),
which is a legacy version of MIPI's High-speed Synchronous Serial Interface
(HSI).

The handles the GPIOs for enabling and resetting the modem and instanciates
ssi-protocol for data exchange. It does not yet support exchanging voice data
with the modem.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Tested-By: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
4 files changed