blob: aad51793e7cc68388e56ab0a26fb4a921f58399b [file] [log] [blame]
# 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.