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81 lines
1.7 KiB
81 lines
1.7 KiB
# 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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$id: http://devicetree.org/schemas/input/elan,ekth3000.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Elantech I2C Touchpad |
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maintainers: |
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- Dmitry Torokhov <[email protected]> |
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allOf: |
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- $ref: touchscreen/touchscreen.yaml# |
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properties: |
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compatible: |
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const: elan,ekth3000 |
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reg: |
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maxItems: 1 |
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interrupts: |
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maxItems: 1 |
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wakeup-source: |
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type: boolean |
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description: touchpad can be used as a wakeup source |
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vcc-supply: |
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description: a phandle for the regulator supplying 3.3V power |
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elan,trackpoint: |
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type: boolean |
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description: touchpad can support a trackpoint |
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elan,clickpad: |
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type: boolean |
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description: touchpad is a clickpad (the entire surface is a button) |
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elan,middle-button: |
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type: boolean |
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description: touchpad has a physical middle button |
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elan,x_traces: |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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description: number of antennas on the x axis |
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elan,y_traces: |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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description: number of antennas on the y axis |
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touchscreen-size-x: true |
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touchscreen-size-y: true |
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touchscreen-x-mm: true |
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touchscreen-y-mm: true |
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required: |
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- compatible |
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- reg |
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- interrupts |
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additionalProperties: 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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touchpad@15 { |
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compatible = "elan,ekth3000"; |
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reg = <0x15>; |
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interrupt-parent = <&gpio4>; |
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interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>; |
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wakeup-source; |
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}; |
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};
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