st,stmfts.txt

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    1 * ST-Microelectronics FingerTip touchscreen controller
    2 
    3 The ST-Microelectronics FingerTip device provides a basic touchscreen
    4 functionality. Along with it the user can enable the touchkey which can work as
    5 a basic HOME and BACK key for phones.
    6 
    7 The driver supports also hovering as an absolute single touch event with x, y, z
    8 coordinates.
    9 
   10 Required properties:
   11 - compatible            : must be "st,stmfts"
   12 - reg                   : I2C slave address, (e.g. 0x49)
   13 - interrupts            : interrupt specification
   14 - avdd-supply           : analogic power supply
   15 - vdd-supply            : power supply
   16 - touchscreen-size-x    : see touchscreen.txt
   17 - touchscreen-size-y    : see touchscreen.txt
   18 
   19 Optional properties:
   20 - touch-key-connected   : specifies whether the touchkey feature is connected
   21 - ledvdd-supply         : power supply to the touch key leds
   22 
   23 Example:
   24 
   25 i2c@00000000 {
   26 
   27         /* ... */
   28 
   29         touchscreen@49 {
   30                 compatible = "st,stmfts";
   31                 reg = <0x49>;
   32                 interrupt-parent = <&gpa1>;
   33                 interrupts = <1 IRQ_TYPE_NONE>;
   34                 touchscreen-size-x = <1599>;
   35                 touchscreen-size-y = <2559>;
   36                 touch-key-connected;
   37                 avdd-supply = <&ldo30_reg>;
   38                 vdd-supply = <&ldo31_reg>;
   39                 ledvdd-supply = <&ldo33_reg>;
   40         };
   41 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/input/touchscreen/st,stmfts.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/input/touchscreen/st,stmfts.txt