Documentation/devicetree/bindings/input/touchscreen/azoteq,iqs5xx.yaml

   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 ...