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>
108 lines
3.3 KiB
YAML
108 lines
3.3 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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$id: http://devicetree.org/schemas/input/touchscreen/focaltech,fts_ts.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: FocalTech 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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- $ref: touchscreen.yaml#
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properties:
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compatible:
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enum:
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- focaltech,fts_ts
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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description: irq gpio
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focaltech,reset-gpio:
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maxItems: 1
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focaltech,irq-gpio:
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description: GPIO pin used for IRQ. The driver uses the interrupt gpio pin
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as output to reset the device.
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irq-flags:
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description: IRQ trigger type config.
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1 - rising edge,
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2 - falling edge,
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4 - high level,
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5 - low level.
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focaltech,max-touch-number:
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description: maximum number of touches support
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$ref: /schemas/types.yaml#/definitions/uint32
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focaltech,display-coords:
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description: display resolution in pixels. A four tuple consisting of minX, minY, maxX and maxY.
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$ref: /schemas/types.yaml#/definitions/uint32
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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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- interrupts
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- focaltech,irq-gpio
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- focaltech,reset-gpio
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- focaltech,max-touch-number
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- focaltech,display-coords
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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@f9927000 {
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#address-cells = <1>;
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#size-cells = <0>;
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focaltech@38 {
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compatible = "focaltech,fts_ts";
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reg = <0x38>;
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interrupt-parent = <&msm_gpio>;
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interrupts = <13 0x02>;
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focaltech,reset-gpio = <&msm_gpio 12 0x01>;
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focaltech,irq-gpio = <&msm_gpio 13 0x02>;
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focaltech,max-touch-number = <10>;
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focaltech,display-coords = <0 0 1080 1920>;
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pinctrl-names = "pmx_ts_active","pmx_ts_suspend","pmx_ts_release";
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pinctrl-0 = <&ts_int_active &ts_reset_active>;
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pinctrl-1 = <&ts_int_suspend &ts_reset_suspend>;
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pinctrl-2 = <&ts_release>;
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/*
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focaltech,have-key;
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focaltech,key-number = <3>;
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focaltech,keys = <139 102 158>;
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focaltech,key-x-coords = <200 600 800>;
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focaltech,key-y-coords = <2000 2000 2000>;
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*/
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};
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};
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spi@78b9000 {
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focaltech@0 {
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compatible = "focaltech,fts_ts";
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reg = <0x0>;
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spi-max-frequency = <6000000>;
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interrupt-parent = <&msm_gpio>;
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interrupts = <13 0x2>;
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focaltech,reset-gpio = <&msm_gpio 12 0x01>;
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focaltech,irq-gpio = <&msm_gpio 13 0x02>;
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focaltech,max-touch-number = <10>;
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focaltech,display-coords = <0 0 1080 1920>;
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pinctrl-names = "pmx_ts_active","pmx_ts_suspend","pmx_ts_release";
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pinctrl-0 = <&ts_int_active &ts_reset_active>;
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pinctrl-1 = <&ts_int_suspend &ts_reset_suspend>;
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pinctrl-2 = <&ts_release>;
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};
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};
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