rmi_i2c.txt

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    1 Synaptics RMI4 I2C Device Binding
    2 
    3 The Synaptics RMI4 core is able to support RMI4 devices using different
    4 transports and different functions. This file describes the device tree
    5 bindings for devices using the I2C transport driver. Complete documentation
    6 for other transports and functions can be found in
    7 Documentation/devicetree/bindings/input/rmi4.
    8 
    9 Required Properties:
   10 - compatible: syna,rmi4-i2c
   11 - reg: I2C address
   12 - #address-cells: Set to 1 to indicate that the function child nodes
   13                     consist of only on uint32 value.
   14 - #size-cells: Set to 0 to indicate that the function child nodes do not
   15                 have a size property.
   16 
   17 Optional Properties:
   18 - interrupts: interrupt which the rmi device is connected to.
   19 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
   20 
   21 - syna,reset-delay-ms: The number of milliseconds to wait after resetting the
   22                         device.
   23 
   24 - syna,startup-delay-ms: The number of milliseconds to wait after powering on
   25                          the device.
   26 
   27 - vdd-supply: VDD power supply.
   28 See ../regulator/regulator.txt
   29 
   30 - vio-supply: VIO power supply
   31 See ../regulator/regulator.txt
   32 
   33 Function Parameters:
   34 Parameters specific to RMI functions are contained in child nodes of the rmi device
   35  node. Documentation for the parameters of each function can be found in:
   36 Documentation/devicetree/bindings/input/rmi4/rmi_f*.txt.
   37 
   38 
   39 
   40 Example:
   41         &i2c1 {
   42                 rmi4-i2c-dev@2c {
   43                         compatible = "syna,rmi4-i2c";
   44                         reg = <0x2c>;
   45                         #address-cells = <1>;
   46                         #size-cells = <0>;
   47                         interrupt-parent = <&gpio>;
   48                         interrupts = <4 2>;
   49 
   50                         rmi4-f01@1 {
   51                                 reg = <0x1>;
   52                                 syna,nosleep-mode = <1>;
   53                         };
   54 
   55                         rmi4-f11@11 {
   56                                 reg = <0x11>;
   57                                 touchscreen-inverted-y;
   58                                 syna,sensor-type = <2>;
   59                         };
   60                 };
   61         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/input/rmi4/rmi_i2c.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/input/rmi4/rmi_i2c.txt