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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/input/goodix,gt7375p.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Goodix GT7375P touchscreen8 9maintainers:10 - Douglas Anderson <dianders@chromium.org>11 12description:13 Supports the Goodix GT7375P touchscreen.14 This touchscreen uses the i2c-hid protocol but has some non-standard15 power sequencing required.16 17allOf:18 - $ref: /schemas/input/touchscreen/touchscreen.yaml#19 20properties:21 compatible:22 oneOf:23 - const: goodix,gt7375p24 - items:25 - const: goodix,gt7986u26 - const: goodix,gt7375p27 28 reg:29 enum:30 - 0x5d31 - 0x1432 33 interrupts:34 maxItems: 135 36 panel: true37 38 reset-gpios:39 true40 41 vdd-supply:42 description: The 3.3V supply to the touchscreen.43 44 mainboard-vddio-supply:45 description:46 The supply on the main board needed to power up IO signals going47 to the touchscreen. This supply need not go to the touchscreen48 itself as long as it allows the main board to make signals compatible49 with what the touchscreen is expecting for its IO rails.50 51 goodix,no-reset-during-suspend:52 description:53 Set this to true to enforce the driver to not assert the reset GPIO54 during suspend.55 Due to potential touchscreen hardware flaw, back-powering could happen in56 suspend if the power supply is on and with active-low reset GPIO asserted.57 This property is used to avoid the back-powering issue.58 type: boolean59 60required:61 - compatible62 - reg63 - interrupts64 - reset-gpios65 - vdd-supply66 67additionalProperties: false68 69examples:70 - |71 #include <dt-bindings/clock/qcom,rpmh.h>72 #include <dt-bindings/gpio/gpio.h>73 #include <dt-bindings/interrupt-controller/irq.h>74 75 i2c {76 #address-cells = <1>;77 #size-cells = <0>;78 79 ap_ts: touchscreen@5d {80 compatible = "goodix,gt7375p";81 reg = <0x5d>;82 83 interrupt-parent = <&tlmm>;84 interrupts = <9 IRQ_TYPE_LEVEL_LOW>;85 86 reset-gpios = <&tlmm 8 GPIO_ACTIVE_LOW>;87 vdd-supply = <&pp3300_ts>;88 };89 };90