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Date: Mon, 22 Apr 2024 12:07:39 +0200
From: Javier Carrasco <javier.carrasco@...fvision.net>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Bastian Hecht <hechtb@...il.com>,
Michael Riesch <michael.riesch@...fvision.net>
Cc: linux-input@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Javier Carrasco <javier.carrasco@...fvision.net>
Subject: [PATCH v9 3/4] dt-bindings: input: touchscreen: st1232: add
touch-overlay example
The touch-overlay feature adds support for segments (touch areas) on the
touchscreen surface that represent overlays with clipped touchscreen
areas and printed buttons.
Add nodes for a clipped touchscreen and overlay buttons to the existing
example.
Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Javier Carrasco <javier.carrasco@...fvision.net>
---
.../input/touchscreen/sitronix,st1232.yaml | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml b/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml
index 1d8ca19fd37a..e7ee7a0d74c4 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml
@@ -37,6 +37,7 @@ unevaluatedProperties: false
examples:
- |
+ #include <dt-bindings/input/linux-event-codes.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
@@ -46,5 +47,33 @@ examples:
reg = <0x55>;
interrupts = <2 0>;
gpios = <&gpio1 166 0>;
+
+ touch-overlay {
+ segment-0 {
+ label = "Touchscreen";
+ x-origin = <0>;
+ x-size = <240>;
+ y-origin = <40>;
+ y-size = <280>;
+ };
+
+ segment-1a {
+ label = "Camera light";
+ linux,code = <KEY_LIGHTS_TOGGLE>;
+ x-origin = <40>;
+ x-size = <40>;
+ y-origin = <0>;
+ y-size = <40>;
+ };
+
+ segment-2a {
+ label = "Power";
+ linux,code = <KEY_POWER>;
+ x-origin = <160>;
+ x-size = <40>;
+ y-origin = <0>;
+ y-size = <40>;
+ };
+ };
};
};
--
2.40.1
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