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86a7d13c9a
Add documentation for the Hynitron cstxxx touchscreen bindings. Hynitron makes a series of touchscreen controllers, however for now this is expected to only be compatible with the cst3xx series, specifically the CST340, CST348, and CST356. Signed-off-by: Chris Morgan <macromorgan@hotmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221028202636.14341-3-macroalpha82@gmail.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
66 lines
1.3 KiB
YAML
66 lines
1.3 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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$id: http://devicetree.org/schemas/input/touchscreen/hynitron,cstxxx.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Hynitron cstxxx series touchscreen controller
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description: |
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Bindings for Hynitron cstxxx series multi-touch touchscreen
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controllers.
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maintainers:
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- Chris Morgan <macromorgan@hotmail.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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- hynitron,cst340
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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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reset-gpios:
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maxItems: 1
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touchscreen-size-x: true
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touchscreen-size-y: true
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touchscreen-inverted-x: true
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touchscreen-inverted-y: true
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touchscreen-swapped-x-y: true
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additionalProperties: false
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required:
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- compatible
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- reg
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- interrupts
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- reset-gpios
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/arm-gic.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@1a {
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compatible = "hynitron,cst340";
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reg = <0x1a>;
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interrupt-parent = <&gpio4>;
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interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
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reset-gpios = <&gpio4 6 GPIO_ACTIVE_LOW>;
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touchscreen-size-x = <640>;
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touchscreen-size-y = <480>;
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};
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};
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...
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