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38a7f7d3af
Create new binding file for the FocalTech FT8112 due to new touchscreen chip. Confirm its compatible, reg for the device via vendor, and set the interrupt and reset gpio to map for Skywalker platform. FocalTech FT8112 also uses vcc33/vccio power supply. Signed-off-by: Daniel Peng <Daniel_Peng@pegatron.corp-partner.google.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://patch.msgid.link/20251117094041.300083-1-Daniel_Peng@pegatron.corp-partner.google.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
67 lines
1.3 KiB
YAML
67 lines
1.3 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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$id: http://devicetree.org/schemas/input/focaltech,ft8112.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: FocalTech FT8112 touchscreen controller
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maintainers:
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- Daniel Peng <Daniel_Peng@pegatron.corp-partner.google.com>
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description:
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Supports the FocalTech FT8112 touchscreen controller.
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This touchscreen controller uses the i2c-hid protocol with a reset GPIO.
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allOf:
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- $ref: /schemas/input/touchscreen/touchscreen.yaml#
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properties:
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compatible:
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enum:
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- focaltech,ft8112
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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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panel: true
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reset-gpios:
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maxItems: 1
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vcc33-supply: true
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vccio-supply: 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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- vcc33-supply
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additionalProperties: false
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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/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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touchscreen@38 {
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compatible = "focaltech,ft8112";
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reg = <0x38>;
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interrupt-parent = <&pio>;
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interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
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reset-gpios = <&pio 126 GPIO_ACTIVE_LOW>;
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vcc33-supply = <&pp3300_tchscr_x>;
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};
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};
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