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     1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/input/touchscreen/azoteq,iqs5xx.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Azoteq IQS550/572/525 Trackpad/Touchscreen Controller
    8 
    9 maintainers:
   10   - Jeff LaBundy <jeff@labundy.com>
   11 
   12 description: |
   13   The Azoteq IQS550, IQS572 and IQS525 trackpad and touchscreen controllers
   14   employ projected-capacitance sensing and can track up to five independent
   15   contacts.
   16 
   17   Link to datasheet: https://www.azoteq.com/
   18 
   19 allOf:
   20   - $ref: touchscreen.yaml#
   21 
   22 properties:
   23   compatible:
   24     enum:
   25       - azoteq,iqs550
   26       - azoteq,iqs572
   27       - azoteq,iqs525
   28 
   29   reg:
   30     maxItems: 1
   31 
   32   interrupts:
   33     maxItems: 1
   34 
   35   reset-gpios:
   36     maxItems: 1
   37 
   38   wakeup-source: true
   39 
   40   touchscreen-size-x: true
   41   touchscreen-size-y: true
   42   touchscreen-inverted-x: true
   43   touchscreen-inverted-y: true
   44   touchscreen-swapped-x-y: true
   45 
   46 required:
   47   - compatible
   48   - reg
   49   - interrupts
   50 
   51 additionalProperties: false
   52 
   53 examples:
   54   - |
   55     #include <dt-bindings/gpio/gpio.h>
   56     #include <dt-bindings/interrupt-controller/irq.h>
   57 
   58     i2c {
   59             #address-cells = <1>;
   60             #size-cells = <0>;
   61 
   62             touchscreen@74 {
   63                     compatible = "azoteq,iqs550";
   64                     reg = <0x74>;
   65                     interrupt-parent = <&gpio>;
   66                     interrupts = <27 IRQ_TYPE_LEVEL_HIGH>;
   67                     reset-gpios = <&gpio 22 (GPIO_ACTIVE_LOW |
   68                                              GPIO_PUSH_PULL)>;
   69 
   70                     touchscreen-size-x = <800>;
   71                     touchscreen-size-y = <480>;
   72             };
   73     };
   74 
   75 ...
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