The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/input/elan,ekth3000.yaml

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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/elan,ekth3000.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Elantech I2C Touchpad
    8 
    9 maintainers:
   10   - Dmitry Torokhov <dmitry.torokhov@gmail.com>
   11 
   12 allOf:
   13   - $ref: touchscreen/touchscreen.yaml#
   14 
   15 properties:
   16   compatible:
   17     const: elan,ekth3000
   18 
   19   reg:
   20     maxItems: 1
   21 
   22   interrupts:
   23     maxItems: 1
   24 
   25   wakeup-source:
   26     type: boolean
   27     description: touchpad can be used as a wakeup source
   28 
   29   vcc-supply:
   30     description: a phandle for the regulator supplying 3.3V power
   31 
   32   elan,trackpoint:
   33     type: boolean
   34     description: touchpad can support a trackpoint
   35 
   36   elan,clickpad:
   37     type: boolean
   38     description: touchpad is a clickpad (the entire surface is a button)
   39 
   40   elan,middle-button:
   41     type: boolean
   42     description: touchpad has a physical middle button
   43 
   44   elan,x_traces:
   45     $ref: /schemas/types.yaml#/definitions/uint32
   46     description: number of antennas on the x axis
   47 
   48   elan,y_traces:
   49     $ref: /schemas/types.yaml#/definitions/uint32
   50     description: number of antennas on the y axis
   51 
   52   touchscreen-size-x: true
   53 
   54   touchscreen-size-y: true
   55 
   56   touchscreen-x-mm: true
   57 
   58   touchscreen-y-mm: true
   59 
   60 required:
   61   - compatible
   62   - reg
   63   - interrupts
   64 
   65 additionalProperties: false
   66 
   67 examples:
   68   - |
   69     #include <dt-bindings/interrupt-controller/irq.h>
   70     i2c {
   71         #address-cells = <1>;
   72         #size-cells = <0>;
   73 
   74         touchpad@15 {
   75             compatible = "elan,ekth3000";
   76             reg = <0x15>;
   77             interrupt-parent = <&gpio4>;
   78             interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
   79             wakeup-source;
   80         };
   81     };

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