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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
dt-bindings: touchscreen: convert elan,ektf2127 to json-schema
Convert EKTF2127 infrared touchscreen controller binding to DT schema
and add ektf2232 compatible.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240621224022.1620897-2-andreas@kemnade.info
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
authored by
Andreas Kemnade
and committed by
Dmitry Torokhov
dfb60401
50717edb
+57
-25
-25
Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt
-25
Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt
···
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* Elan eKTF2127 I2C touchscreen controller
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Required properties:
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- compatible : "elan,ektf2127" or "elan,ektf2132"
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- reg : I2C slave address of the chip (0x40)
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- interrupts : interrupt specification for the ektf2127 interrupt
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- power-gpios : GPIO specification for the pin connected to the
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ektf2127's wake input. This needs to be driven high
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to take ektf2127 out of its low power state
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For additional optional properties see: touchscreen.txt
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Example:
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i2c@00000000 {
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ektf2127: touchscreen@15 {
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compatible = "elan,ektf2127";
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reg = <0x15>;
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interrupt-parent = <&pio>;
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interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>
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power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>;
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touchscreen-inverted-x;
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touchscreen-swapped-x-y;
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};
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};
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Documentation/devicetree/bindings/input/touchscreen/elan,ektf2127.yaml
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Documentation/devicetree/bindings/input/touchscreen/elan,ektf2127.yaml
···
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# 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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$id: http://devicetree.org/schemas/input/touchscreen/elan,ektf2127.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Elan eKTF2127 I2C touchscreen controller
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maintainers:
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- Siebren Vroegindeweij <siebren.vroegindeweij@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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- elan,ektf2127
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- elan,ektf2132
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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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power-gpios:
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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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- power-gpios
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unevaluatedProperties: false
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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/irq.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@15 {
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compatible = "elan,ektf2127";
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reg = <0x15>;
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interrupt-parent = <&pio>;
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interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>;
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power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>;
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touchscreen-inverted-x;
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touchscreen-swapped-x-y;
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};
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};
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...