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https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
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87ac7cfac4
The old Ilitek touch controllers V3 and V6 can operate without interrupt line, in polling mode. Drop the 'interrupts' property requirement for those four controllers. To avoid overloading the trivial-touch, fork the old Ilitek V3/V6 touch controller binding into separate document. Reviewed-by: Frank Li <Frank.Li@nxp.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Link: https://patch.msgid.link/20260121230736.114623-1-marek.vasut+renesas@mailbox.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
81 lines
1.8 KiB
YAML
81 lines
1.8 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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$id: http://devicetree.org/schemas/input/touchscreen/trivial-touch.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Trivial touch screen controller with i2c interface
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maintainers:
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- Frank Li <Frank.Li@nxp.com>
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properties:
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compatible:
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enum:
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# The Azoteq IQS550, IQS572 and IQS525 trackpad and touchscreen controllers
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- azoteq,iqs550
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- azoteq,iqs572
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- azoteq,iqs525
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# Himax hx83100a touchscreen controller
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- himax,hx83100a
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# Himax hx83112b touchscreen controller
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- himax,hx83112b
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# Hynitron cstxxx series touchscreen controller
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- hynitron,cst340
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# Ilitek I2C Touchscreen Controller
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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,ili2520
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- ilitek,ili2521
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# MAXI MAX11801 Resistive touch screen controller with i2c interface
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- maxim,max11801
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# Microchip AR1020 and AR1021 touchscreen interface (I2C)
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- microchip,ar1021-i2c
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# Trivial touch screen controller with i2c interface
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- semtech,sx8650
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- semtech,sx8654
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- semtech,sx8655
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- semtech,sx8656
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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: true
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allOf:
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- $ref: touchscreen.yaml
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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/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@48 {
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compatible = "maxim,max11801";
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reg = <0x48>;
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interrupt-parent = <&gpio3>;
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interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
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};
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};
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