From: Mattijs Korpershoek <mkorpershoek@baylibre.com>
To: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Mattijs Korpershoek <mkorpershoek@baylibre.com>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org,
Fabien Parent <parent.f@gmail.com>,
devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org,
Fabien Parent <fparent@baylibre.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1 3/6] dt-bindings: mediatek,mt6779-keypad: add mediatek,double-keys
Date: Wed, 20 Jul 2022 16:48:39 +0200 [thread overview]
Message-ID: <20220720-mt8183-keypad-v1-3-ef9fc29dbff4@baylibre.com> (raw)
In-Reply-To: <20220720-mt8183-keypad-v1-0-ef9fc29dbff4@baylibre.com>
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>
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
--
b4 0.10.0-dev-54fef
next prev parent reply other threads:[~2022-07-20 14:48 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-20 14:48 [PATCH v1 0/6] Input: mt6779-keypad - double keys support Mattijs Korpershoek
2022-07-20 14:48 ` [PATCH v1 1/6] MAINTAINERS: input: add mattijs for mt6779-keypad Mattijs Korpershoek
2022-07-20 14:48 ` [PATCH v1 2/6] dt-bindings: mediatek,mt6779-keypad: use unevaluatedProperties Mattijs Korpershoek
2022-07-20 17:14 ` Krzysztof Kozlowski
2022-07-21 9:06 ` Mattijs Korpershoek
2022-07-21 9:16 ` Krzysztof Kozlowski
2022-07-21 13:11 ` Mattijs Korpershoek
2022-07-20 14:48 ` Mattijs Korpershoek [this message]
2022-07-20 17:26 ` [PATCH v1 3/6] dt-bindings: mediatek,mt6779-keypad: add mediatek,double-keys Krzysztof Kozlowski
2022-07-21 13:32 ` Mattijs Korpershoek
2022-07-21 13:51 ` Krzysztof Kozlowski
2022-07-21 14:44 ` Mattijs Korpershoek
2022-07-21 8:40 ` AngeloGioacchino Del Regno
2022-07-21 13:34 ` Mattijs Korpershoek
2022-07-20 14:48 ` [PATCH v1 4/6] Input: mt6779-keypad - support double keys matrix Mattijs Korpershoek
2022-07-20 14:53 ` Matthias Brugger
2022-07-21 8:34 ` AngeloGioacchino Del Regno
2022-07-21 14:51 ` Mattijs Korpershoek
2022-07-21 14:55 ` AngeloGioacchino Del Regno
2022-07-26 9:52 ` Mattijs Korpershoek
2022-07-20 14:48 ` [PATCH v1 5/6] arm64: dts: mediatek: mt8183: add keyboard node Mattijs Korpershoek
2022-07-21 8:41 ` AngeloGioacchino Del Regno
2022-07-20 14:48 ` [PATCH v1 6/6] arm64: dts: mediatek: mt8183-pumpkin: add keypad support Mattijs Korpershoek
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