ark1668ed-bsp/linux/Documentation/devicetree/bindings/input/pine64,pinephone-keyboard.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/pine64,pinephone-keyboard.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Pine64 PinePhone keyboard

maintainers:
  - Samuel Holland <samuel@sholland.org>

description:
  A keyboard accessory is available for the Pine64 PinePhone and PinePhone Pro.
  It connects via I2C, providing a raw scan matrix, a flashing interface, and a
  subordinate I2C bus for communication with a battery charger IC.

properties:
  compatible:
    const: pine64,pinephone-keyboard

  reg:
    const: 0x15

  interrupts:
    maxItems: 1

  vbat-supply:
    description: Supply for the keyboard MCU

  wakeup-source: true

  i2c:
    $ref: /schemas/i2c/i2c-controller.yaml#

required:
  - compatible
  - reg
  - interrupts

additionalProperties: false

examples:
  - |
    #include <dt-bindings/input/input.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    i2c {
      #address-cells = <1>;
      #size-cells = <0>;

      keyboard@15 {
        compatible = "pine64,pinephone-keyboard";
        reg = <0x15>;
        interrupt-parent = <&r_pio>;
        interrupts = <0 12 IRQ_TYPE_EDGE_FALLING>; /* PL12 */

        i2c {
          #address-cells = <1>;
          #size-cells = <0>;

          charger@75 {
            reg = <0x75>;
          };
        };
      };
    };