dts/bindings/kscan/nuvoton,npcx-kscan.yaml

# Copyright (c) 2022 Nuvoton Technology Corporation.
# SPDX-License-Identifier: Apache-2.0

description: Nuvoton, NPCX keyboard scan controller

compatible: "nuvoton,npcx-kscan"

include: [kscan.yaml, pinctrl-device.yaml]

properties:
  reg:
    required: true

  clocks:
    required: true

  pinctrl-0:
    required: true

  pinctrl-names:
    required: true

  wui-maps:
    type: phandles
    required: true
    description: |
        Mapping table between Wake-Up Input (WUI) and KSIs.

        For example the WUI mapping on 8 KSI pads would be
           wui-maps = <&wui_io30 &wui_io31 &wui_io27 &wui_io26
                       &wui_io25 &wui_io24 &wui_io23 &wui_io22>;

  row-size:
    type: int
    default: 8
    required: true
    description: |
        The row size is used in the keyboard matrix.
        valid range: 1 - 8

  col-size:
    type: int
    default: 18
    required: true
    description: |
        The column size is used in the keyboard matrix.
        valid range: 1 - 18

  debounce-down-ms:
    type: int
    default: 10
    description: Determines the time in msecs for debouncing a key press.

  debounce-up-ms:
    type: int
    default: 20
    description: Determines the time in msecs for debouncing a key release.

  no-ghostkey-check:
    type: boolean
    description: |
        Ignore the ghost key checking in the driver if the diodes are used
        in the matrix hardware.