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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/touchscreen/apple,z2-multitouch.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Apple touchscreens attached using the Z2 protocol
maintainers:
- Sasha Finkelstein <fnkl.kernel@gmail.com>
description: A series of touschscreen controllers used in Apple products
allOf:
- $ref: touchscreen.yaml#
- $ref: /schemas/spi/spi-peripheral-props.yaml#
properties:
compatible:
enum:
- apple,j293-touchbar
- apple,j493-touchbar
interrupts:
maxItems: 1
reset-gpios:
maxItems: 1
firmware-name:
maxItems: 1
apple,z2-cal-blob:
$ref: /schemas/types.yaml#/definitions/uint8-array
maxItems: 4096
description:
Calibration blob supplied by the bootloader
required:
- compatible
- interrupts
- reset-gpios
- firmware-name
- touchscreen-size-x
- touchscreen-size-y
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
spi {
#address-cells = <1>;
#size-cells = <0>;
touchscreen@0 {
compatible = "apple,j293-touchbar";
reg = <0>;
spi-max-frequency = <11500000>;
reset-gpios = <&pinctrl_ap 139 GPIO_ACTIVE_LOW>;
interrupts-extended = <&pinctrl_ap 194 IRQ_TYPE_EDGE_FALLING>;
firmware-name = "apple/dfrmtfw-j293.bin";
touchscreen-size-x = <23045>;
touchscreen-size-y = <640>;
};
};
...
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