mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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644291ebec
While Linux uses a different driver, the Ilitek
ILI210x/ILI2117/ILI2120/ILI251x touchscreen controller Device Tree
binding documentation is very similar.
- Drop the fixed reg value, as some controllers use a different
address,
- Make reset-gpios optional, as it is not always wired.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/0c5f06c9d262c1720b40d068b6eefe58ca406601.1638539806.git.geert+renesas@glider.be
77 lines
1.5 KiB
YAML
77 lines
1.5 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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$id: http://devicetree.org/schemas/input/touchscreen/ilitek_ts_i2c.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Ilitek I2C Touchscreen Controller
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maintainers:
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- Dmitry Torokhov <dmitry.torokhov@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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- ilitek,ili210x
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- ilitek,ili2117
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- ilitek,ili2120
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- ilitek,ili2130
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- ilitek,ili2131
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- ilitek,ili2132
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- ilitek,ili2316
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- ilitek,ili2322
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- ilitek,ili2323
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- ilitek,ili2326
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- ilitek,ili251x
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- ilitek,ili2520
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- ilitek,ili2521
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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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wakeup-source:
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type: boolean
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description: touchscreen can be used as a wakeup source.
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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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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/gpio/gpio.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@41 {
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compatible = "ilitek,ili2520";
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reg = <0x41>;
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interrupt-parent = <&gpio1>;
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interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
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reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
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touchscreen-inverted-y;
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wakeup-source;
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};
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};
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