Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml

   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/mstar,msg2638.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: MStar msg2638 touchscreen controller Bindings
   8
   9 maintainers:
  10   - Vincent Knecht <vincent.knecht@mailoo.org>
  11
  12 allOf:
  13   - $ref: touchscreen.yaml#
  14
  15 properties:
  16   compatible:
  17     const: mstar,msg2638
  18
  19   reg:
  20     const: 0x26
  21
  22   interrupts:
  23     maxItems: 1
  24
  25   reset-gpios:
  26     maxItems: 1
  27
  28   vdd-supply:
  29     description: Power supply regulator for the chip
  30
  31   vddio-supply:
  32     description: Power supply regulator for the I2C bus
  33
  34   touchscreen-size-x: true
  35   touchscreen-size-y: true
  36
  37 additionalProperties: false
  38
  39 required:
  40   - compatible
  41   - reg
  42   - interrupts
  43   - reset-gpios
  44   - touchscreen-size-x
  45   - touchscreen-size-y
  46
  47 examples:
  48   - |
  49     #include <dt-bindings/gpio/gpio.h>
  50     #include <dt-bindings/interrupt-controller/irq.h>
  51     i2c {
  52       #address-cells = <1>;
  53       #size-cells = <0>;
  54       touchscreen@26 {
  55         compatible = "mstar,msg2638";
  56         reg = <0x26>;
  57         interrupt-parent = <&msmgpio>;
  58         interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
  59         reset-gpios = <&msmgpio 100 GPIO_ACTIVE_LOW>;
  60         pinctrl-names = "default";
  61         pinctrl-0 = <&ts_int_reset_default>;
  62         vdd-supply = <&pm8916_l17>;
  63         vddio-supply = <&pm8916_l5>;
  64         touchscreen-size-x = <2048>;
  65         touchscreen-size-y = <2048>;
  66       };
  67     };
  68
  69 ...