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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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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@kernel.org> Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net> Link: https://lore.kernel.org/r/20241016-feature-ts_virtobj_patch-v11-3-b292a1bbb0a1@wolfvision.net Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
80 lines
2.2 KiB
YAML
80 lines
2.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/input/touchscreen/sitronix,st1232.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Sitronix st1232 or st1633 touchscreen controller
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maintainers:
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- Bastian Hecht <hechtb@gmail.com>
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allOf:
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- $ref: touchscreen.yaml#
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properties:
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compatible:
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enum:
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- sitronix,st1232
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- sitronix,st1633
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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gpios:
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description: A phandle to the reset GPIO
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maxItems: 1
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required:
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- compatible
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- reg
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- interrupts
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/input/linux-event-codes.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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touchscreen@55 {
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compatible = "sitronix,st1232";
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reg = <0x55>;
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interrupts = <2 0>;
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gpios = <&gpio1 166 0>;
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touch-overlay {
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segment-0 {
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label = "Touchscreen";
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x-origin = <0>;
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x-size = <240>;
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y-origin = <40>;
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y-size = <280>;
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};
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segment-1a {
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label = "Camera light";
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linux,code = <KEY_LIGHTS_TOGGLE>;
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x-origin = <40>;
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x-size = <40>;
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y-origin = <0>;
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y-size = <40>;
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};
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segment-2a {
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label = "Power";
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linux,code = <KEY_POWER>;
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x-origin = <160>;
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x-size = <40>;
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y-origin = <0>;
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y-size = <40>;
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};
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};
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};
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};
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