On Wed, Nov 25, 2015 at 04:09:13PM -0800, Andrew Duggan wrote: > 2D sensors have several parameter which can be set in the platform data. > This patch adds support for getting those values from devicetree. > > Signed-off-by: Andrew Duggan <aduggan@xxxxxxxxxxxxx> > --- > .../bindings/input/rmi4/rmi_2d_sensor.txt | 54 +++++++++++ > drivers/input/rmi4/rmi_2d_sensor.c | 103 +++++++++++++++++++++ > drivers/input/rmi4/rmi_2d_sensor.h | 3 + > drivers/input/rmi4/rmi_f11.c | 7 +- > 4 files changed, 166 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/input/rmi4/rmi_2d_sensor.txt > > diff --git a/Documentation/devicetree/bindings/input/rmi4/rmi_2d_sensor.txt b/Documentation/devicetree/bindings/input/rmi4/rmi_2d_sensor.txt > new file mode 100644 > index 0000000..bbff31b > --- /dev/null > +++ b/Documentation/devicetree/bindings/input/rmi4/rmi_2d_sensor.txt > @@ -0,0 +1,54 @@ > +Synaptics RMI4 2D Sensor Device Binding > + > +The Synaptics RMI4 core is able to support RMI4 devices using differnet s/differnet/different/ > +transports and differnet functions. This file describes the device tree ditto. > +bindings for devices which contain 2D sensors using Function 11 or > +Function 12. Complete documentation for transports and other functions > +can be found in: > +Documentation/devicetree/bindings/input/rmi4. > + > +RMI4 Function 11 and Function 12 are for 2D touch position sensing. > +Additional documentation for F11 can be found at: > +http://www.synaptics.com/sites/default/files/511-000136-01-Rev-E-RMI4-Interfacing-Guide.pdf > + > +Optional Properties: > +- syna,swap-axes: Swap X and Y positions when reporting (boolean). > +- syna,flip-x: Reverse the direction of X (boolean). > +- syna,flip-y: Reverse the direction of Y (boolean). We already have similar, generic properties for these. > +- syna,clip-x-low: Sets a minimum value for X. > +- syna,clip-y-low: Sets a minimum value for Y. > +- syna,clip-x-high: Sets a maximum value for X. > +- syna,clip-y-high: Sets a maximum value for Y. > +- syna,offset-x: Add an offset to X. > +- syna,offset_y: Add an offset to Y. Don't use "_". > +- syna,delta-x-threshold: Set the minimum distance on the X axis required > + to generate an interrupt in reduced reporting > + mode. > +- syna,delta-y-threshold: Set the minimum distance on the Y axis required > + to generate an interrupt in reduced reporting > + mode. > +- syna,type-a: Report type A multitouch events. > +- syna,sensor-type: Set the sensor type. 1 for touchscreen 2 for touchpad. > +- syna,x-mm: The length in millimeters of the X axis. > +- syna,y-mm: The length in millimeters of the Y axis. I think some of these have common properties defined too. If not, we should add them. > +- syna,disable-report-mask: Mask for disabling posiiton reporting. Used to > + disable reporing absolute position data. > +- syna,rezero-wait: Time in miliseconds to wait after issuing a rezero > + command. Add -msec suffix. -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
