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Wed, 10 May 2023 13:51:12 +0000 From: Javier Carrasco Date: Wed, 10 May 2023 15:50:47 +0200 Subject: [PATCH 2/4] dt-bindings: touchscreen: add virtual-touchscreen and virtual-buttons properties Message-Id: <20230510-feature-ts_virtobj_patch-v1-2-5ae5e81bc264@wolfvision.net> References: <20230510-feature-ts_virtobj_patch-v1-0-5ae5e81bc264@wolfvision.net> In-Reply-To: <20230510-feature-ts_virtobj_patch-v1-0-5ae5e81bc264@wolfvision.net> To: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Henrik Rydberg , Bastian Hecht , Michael Riesch Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, devicetree@vger.kernel.org, Javier Carrasco X-Mailer: b4 0.12.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1683726670; l=2958; i=javier.carrasco@wolfvision.net; s=20230509; h=from:subject:message-id; bh=oif59evYmkWx/9LoiD8k2HlA1dSFIUUqMXLuvbr2Lqk=; b=PzFUqKYA9spA9HVPy0NQowGVPFY6XWsf+m5guzxZwONFkKWUt0v51cT/CTBChNhfn1/QXPMIR tWxcavHOxBlCm72auxFBBbSha80HbYL6raye9SIZjOqvw5UJgLUnRI1 X-Developer-Key: i=javier.carrasco@wolfvision.net; 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This object avoids getting events from areas that are physically hidden by overlay frames. For touchscreens where overlay buttons on the touchscreen surface are provided, the virtual-buttons object contains a node for every button and the key event that should be reported when pressed. Signed-off-by: Javier Carrasco --- .../bindings/input/touchscreen/touchscreen.yaml | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml index 895592da9626..869be007eb6f 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml +++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml @@ -80,6 +80,60 @@ properties: touchscreen-y-plate-ohms: description: Resistance of the Y-plate in Ohms + virtual-touchscreen: + description: Clipped touchscreen area + type: object + + properties: + x-origin: + description: horizontal origin of the clipped area + $ref: /schemas/types.yaml#/definitions/uint32 + + y-origin: + description: vertical origin of the clipped area + $ref: /schemas/types.yaml#/definitions/uint32 + + x-size: + description: horizontal resolution of the clipped area + $ref: /schemas/types.yaml#/definitions/uint32 + + y-size: + description: vertical resolution of the clipped area + $ref: /schemas/types.yaml#/definitions/uint32 + + virtual-buttons: + description: list of nodes defining the buttons on the touchscreen + type: object + + patternProperties: + '^button-': + type: object + description: + Each button (key) is represented as a sub-node. + + properties: + label: + $ref: /schemas/types.yaml#/definitions/string + description: descriptive name of the button + + linux,code: true + + x-origin: + description: horizontal origin of the button area + $ref: /schemas/types.yaml#/definitions/uint32 + + y-origin: + description: vertical origin of the button area + $ref: /schemas/types.yaml#/definitions/uint32 + + x-size: + description: horizontal resolution of the button area + $ref: /schemas/types.yaml#/definitions/uint32 + + y-size: + description: vertical resolution of the button area + $ref: /schemas/types.yaml#/definitions/uint32 + dependencies: touchscreen-size-x: [ touchscreen-size-y ] touchscreen-size-y: [ touchscreen-size-x ]