f9a056e002
This adds new bindings for the Goodix GT7375P touchscreen. While this touchscreen's communications are based on the generic "i2c-over-hid" protocol, it needs special power sequencing and thus gets its own compatible and bindings. Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
66 lines
1.2 KiB
YAML
66 lines
1.2 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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$id: http://devicetree.org/schemas/input/goodix,gt7375p.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Goodix GT7375P touchscreen
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maintainers:
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- Douglas Anderson <dianders@chromium.org>
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description:
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Supports the Goodix GT7375P touchscreen.
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This touchscreen uses the i2c-hid protocol but has some non-standard
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power sequencing required.
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properties:
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compatible:
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items:
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- const: goodix,gt7375p
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reg:
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enum:
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- 0x5d
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- 0x14
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interrupts:
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maxItems: 1
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reset-gpios:
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true
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vdd-supply:
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description: The 3.3V supply to the touchscreen.
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required:
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- compatible
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- reg
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- interrupts
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- reset-gpios
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- vdd-supply
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/qcom,rpmh.h>
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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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ap_ts: touchscreen@5d {
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compatible = "goodix,gt7375p";
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reg = <0x5d>;
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interrupt-parent = <&tlmm>;
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interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
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reset-gpios = <&tlmm 8 GPIO_ACTIVE_LOW>;
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vdd-supply = <&pp3300_ts>;
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};
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};
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