7e2eb2e2e8
Add device tree binding document for Novatek, focal and Goodix touch drivers. Change-Id: Ic5e2b28dbee78860a00f715047bf99cd4e019b75 Signed-off-by: Vinoth Jayaram <quic_c_vinoja@quicinc.com> Signed-off-by: Raghavendra Ambadas <quic_c_rambad@quicinc.com>
72 lines
1.6 KiB
YAML
72 lines
1.6 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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$id: http://devicetree.org/schemas/input/touchscreen/novatek_nt36xxx.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Novatek nt36xxx touch controller DTB
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maintainers:
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- Maulik Shah <quic_mkshah@quicinc.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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- novatek,NVT-ts
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reg:
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maxItems: 1
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novatek,reset-gpios:
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maxItems: 1
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novatek,irq-gpio:
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description: GPIO pin used for IRQ. The driver uses the interrupt gpio pin
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as output to reset the device.
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irq-flags:
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description: IRQ trigger type config.
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1 - rising edge,
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2 - falling edge,
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4 - high level,
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5 - low level.
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vdd-supply:
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description: digital voltage power supply needed to power device.
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avdd-supply:
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description: analog voltage power supply needed to power device
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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- vdd-supply
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- avdd-supply
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- reset-gpios
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- irq-gpio
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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/arm-gic.h>
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i2c_1 {
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#address-cells = <1>;
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#size-cells = <0>;
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/* Novatek device tree node */
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novatek@62 {
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compatible = "novatek,NVT-ts";
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reg = <0x62>;
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status = "ok";
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vdd-supply = <&pm8994_lvs2>;
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avdd-supply = <&pm8994_l22>;
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novatek,reset-gpio = <&msm_gpio 102 0x00>;
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novatek,irq-gpio = <&msm_gpio 65 0x2001>;
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};
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};
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