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>