Documentation/devicetree/bindings/input/pine64,pinephone-keyboard.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/pine64,pinephone-keyboard.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Pine64 PinePhone keyboard
   8
   9 maintainers:
  10   - Samuel Holland <samuel@sholland.org>
  11
  12 description:
  13   A keyboard accessory is available for the Pine64 PinePhone and PinePhone Pro.
  14   It connects via I2C, providing a raw scan matrix, a flashing interface, and a
  15   subordinate I2C bus for communication with a battery charger IC.
  16
  17 properties:
  18   compatible:
  19     const: pine64,pinephone-keyboard
  20
  21   reg:
  22     const: 0x15
  23
  24   interrupts:
  25     maxItems: 1
  26
  27   vbat-supply:
  28     description: Supply for the keyboard MCU
  29
  30   wakeup-source: true
  31
  32   i2c:
  33     $ref: /schemas/i2c/i2c-controller.yaml#
  34
  35 required:
  36   - compatible
  37   - reg
  38   - interrupts
  39
  40 additionalProperties: false
  41
  42 examples:
  43   - |
  44     #include <dt-bindings/input/input.h>
  45     #include <dt-bindings/interrupt-controller/irq.h>
  46
  47     i2c {
  48       #address-cells = <1>;
  49       #size-cells = <0>;
  50
  51       keyboard@15 {
  52         compatible = "pine64,pinephone-keyboard";
  53         reg = <0x15>;
  54         interrupt-parent = <&r_pio>;
  55         interrupts = <0 12 IRQ_TYPE_EDGE_FALLING>; /* PL12 */
  56
  57         i2c {
  58           #address-cells = <1>;
  59           #size-cells = <0>;
  60
  61           charger@75 {
  62             reg = <0x75>;
  63           };
  64         };
  65       };
  66     };