Add support for updating firmware, triggered by a sysfs attribute.

This patch has been tested on Synaptics S7300.
Signed-off-by: NNick Dyer <nick@shmanahar.org>
Tested-by: NChris Healy <cphealy@gmail.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

The rmi_f11 driver currently disables dribble packets and the palm detect
gesture for all devices. This patch creates a parameter in the 2d sensor
platform data for controlling this functionality on a per device basis.

For more information on dribble packets:
Commit 05ba999f ("HID: rmi: disable dribble packets on Synaptics
touchpads")

For more information on the palm detect gesture:
Commit f097deef ("HID: rmi: disable palm detect gesture when present")
Signed-off-by: NAndrew Duggan <aduggan@synaptics.com>
Reviewed-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

Signed-off-by: NNick Dyer <nick.dyer@itdev.co.uk>
Reviewed-by: NAndrew Duggan <aduggan@synaptics.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

Add devicetree binding for I2C devices and add bindings for optional
parameters in the function drivers. Parameters for function drivers are
defined in child nodes for each of the functions.
Signed-off-by: NAndrew Duggan <aduggan@synaptics.com>
Acked-by: NRob Herring <robh@kernel.org>
Tested-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: NLinus Walleij <linus.walleij@linaro.org>
Tested-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

Synaptics uses the Register Mapped Interface (RMI) protocol as a
communications interface for their devices. This driver adds the core
functionality needed to interface with RMI4 devices.

RMI devices can be connected to the host via several transport protocols
and can supports a wide variety of functionality defined by RMI functions.
Support for transport protocols and RMI functions are implemented in
individual drivers. The RMI4 core driver uses a bus architecture to
facilitate the various combinations of transport and function drivers
needed by a particular device.
Signed-off-by: NAndrew Duggan <aduggan@synaptics.com>
Signed-off-by: NChristopher Heiny <cheiny@synaptics.com>
Tested-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: NLinus Walleij <linus.walleij@linaro.org>
Tested-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>