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     1 Zeitec ZET6223 I2C touchscreen controller
    2 
    3 Required properties:
    4 - compatible              : "zeitec,zet6223"
    5 - reg                     : I2C slave address of the chip (0x76)
    6 - interrupts              : interrupt specification for the zet6223 interrupt
    7 
    8 Optional properties:
    9 
   10 - vio-supply              : Specification for VIO supply (1.8V or 3.3V,
   11                             depending on system interface needs).
   12 - vcc-supply              : Specification for 3.3V VCC supply.
   13 - touchscreen-size-x      : See touchscreen.txt
   14 - touchscreen-size-y      : See touchscreen.txt
   15 - touchscreen-inverted-x  : See touchscreen.txt
   16 - touchscreen-inverted-y  : See touchscreen.txt
   17 - touchscreen-swapped-x-y : See touchscreen.txt
   18 
   19 Example:
   20 
   21 i2c@00000000 {
   22 
   23         zet6223: touchscreen@76 {
   24                 compatible = "zeitec,zet6223";
   25                 reg = <0x76>;
   26                 interrupt-parent = <&pio>;
   27                 interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>
   28         };
   29 
   30 };
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