xref: /openbmc/linux/Documentation/devicetree/bindings/input/touchscreen/hynitron,cstxxx.yaml (revision 86a7d13c)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/touchscreen/hynitron,cstxxx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Hynitron cstxxx series touchscreen controller

description: |
  Bindings for Hynitron cstxxx series multi-touch touchscreen
  controllers.

maintainers:
  - Chris Morgan <macromorgan@hotmail.com>

allOf:
  - $ref: touchscreen.yaml#

properties:
  compatible:
    enum:
      - hynitron,cst340

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  reset-gpios:
    maxItems: 1

  touchscreen-size-x: true
  touchscreen-size-y: true
  touchscreen-inverted-x: true
  touchscreen-inverted-y: true
  touchscreen-swapped-x-y: true

additionalProperties: false

required:
  - compatible
  - reg
  - interrupts
  - reset-gpios

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    i2c {
      #address-cells = <1>;
      #size-cells = <0>;
      touchscreen@1a {
        compatible = "hynitron,cst340";
        reg = <0x1a>;
        interrupt-parent = <&gpio4>;
        interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
        reset-gpios = <&gpio4 6 GPIO_ACTIVE_LOW>;
        touchscreen-size-x = <640>;
        touchscreen-size-y = <480>;
      };
    };

...