| Message ID | 20220720-mt8183-keypad-v1-3-ef9fc29dbff4@baylibre.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v1,1/6] MAINTAINERS: input: add mattijs for mt6779-keypad | expand |
diff --git a/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml b/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml index ca8ae40a73f7..03c9555849e5 100644 --- a/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml +++ b/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml @@ -49,6 +49,12 @@ properties: maximum: 256 default: 16 + mediatek,double-keys: + description: | + use double key matrix instead of single key + when set, each (row,column) is a group that can detect 2 keys + type: boolean + required: - compatible - reg
MediaTek keypad has 2 modes of detecting key events: - single key: each (row, column) can detect one key - double key: each (row, column) is a group of 2 keys Currently, only single key detection is supported (by default) Add an optional property, mediatek,double-keys to support double key detection. Double key support exists to minimize cost, since it reduces the number of pins required for physical keys. Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>