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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/input/elan,ekth6915.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Elan eKTH6915 touchscreen controller8 9maintainers:10 - Douglas Anderson <dianders@chromium.org>11 12description:13 Supports the Elan eKTH6915 touchscreen controller.14 This touchscreen controller uses the i2c-hid protocol with a reset GPIO.15 16allOf:17 - $ref: /schemas/input/touchscreen/touchscreen.yaml#18 19properties:20 compatible:21 oneOf:22 - items:23 - enum:24 - elan,ekth5015m25 - const: elan,ekth691526 - enum:27 - elan,ekth691528 - elan,ekth6a12nay29 30 reg:31 const: 0x1032 33 interrupts:34 maxItems: 135 36 panel: true37 38 reset-gpios:39 description: Reset GPIO; not all touchscreens using eKTH6915 hook this up.40 41 no-reset-on-power-off:42 type: boolean43 description:44 Reset line is wired so that it can (and should) be left deasserted when45 the power supply is off.46 47 vcc33-supply:48 description: The 3.3V supply to the touchscreen.49 50 vccio-supply:51 description:52 The IO supply to the touchscreen. Need not be specified if this is the53 same as the 3.3V supply.54 55required:56 - compatible57 - reg58 - interrupts59 - vcc33-supply60 61additionalProperties: false62 63examples:64 - |65 #include <dt-bindings/gpio/gpio.h>66 #include <dt-bindings/interrupt-controller/irq.h>67 68 i2c {69 #address-cells = <1>;70 #size-cells = <0>;71 72 touchscreen@10 {73 compatible = "elan,ekth5015m", "elan,ekth6915";74 reg = <0x10>;75 76 interrupt-parent = <&tlmm>;77 interrupts = <9 IRQ_TYPE_LEVEL_LOW>;78 79 reset-gpios = <&tlmm 8 GPIO_ACTIVE_LOW>;80 vcc33-supply = <&pp3300_ts>;81 };82 };83