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     1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: "http://devicetree.org/schemas/input/touchscreen/elan,elants_i2c.yaml#"
    5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    6 
    7 title: Elantech I2C Touchscreen
    8 
    9 maintainers:
   10   - David Heidelberg <david@ixit.cz>
   11 
   12 allOf:
   13   - $ref: touchscreen.yaml#
   14 
   15 properties:
   16   compatible:
   17     enum:
   18       - elan,ektf3624
   19       - elan,ekth3500
   20 
   21   reg:
   22     maxItems: 1
   23 
   24   interrupts:
   25     maxItems: 1
   26 
   27   wakeup-source:
   28     type: boolean
   29     description: touchscreen can be used as a wakeup source.
   30 
   31   reset-gpios:
   32     maxItems: 1
   33     description: reset gpio the chip is connected to.
   34 
   35   vcc33-supply:
   36     description: a phandle for the regulator supplying 3.3V power.
   37 
   38   vccio-supply:
   39     description: a phandle for the regulator supplying IO power.
   40 
   41   touchscreen-inverted-x: true
   42   touchscreen-inverted-y: true
   43   touchscreen-size-x: true
   44   touchscreen-size-y: true
   45   touchscreen-swapped-x-y: true
   46 
   47 additionalProperties: false
   48 
   49 required:
   50   - compatible
   51   - reg
   52   - interrupts
   53 
   54 examples:
   55   - |
   56     #include <dt-bindings/interrupt-controller/irq.h>
   57 
   58     i2c {
   59         #address-cells = <1>;
   60         #size-cells = <0>;
   61 
   62         touchscreen@10 {
   63             compatible = "elan,ekth3500";
   64             reg = <0x10>;
   65 
   66             interrupt-parent = <&gpio4>;
   67             interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
   68             wakeup-source;
   69         };
   70     };
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