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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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dt-bindings: input: i2c-hid: Introduce FocalTech FT8112

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>

authored by

Daniel Peng and committed by
Dmitry Torokhov 38a7f7d3 84910bc5

+66
+66
Documentation/devicetree/bindings/input/focaltech,ft8112.yaml
··· 1 + # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 + %YAML 1.2 3 + --- 4 + $id: http://devicetree.org/schemas/input/focaltech,ft8112.yaml# 5 + $schema: http://devicetree.org/meta-schemas/core.yaml# 6 + 7 + title: FocalTech FT8112 touchscreen controller 8 + 9 + maintainers: 10 + - Daniel Peng <Daniel_Peng@pegatron.corp-partner.google.com> 11 + 12 + description: 13 + Supports the FocalTech FT8112 touchscreen controller. 14 + This touchscreen controller uses the i2c-hid protocol with a reset GPIO. 15 + 16 + allOf: 17 + - $ref: /schemas/input/touchscreen/touchscreen.yaml# 18 + 19 + properties: 20 + compatible: 21 + enum: 22 + - focaltech,ft8112 23 + 24 + reg: 25 + maxItems: 1 26 + 27 + interrupts: 28 + maxItems: 1 29 + 30 + panel: true 31 + 32 + reset-gpios: 33 + maxItems: 1 34 + 35 + vcc33-supply: true 36 + 37 + vccio-supply: true 38 + 39 + required: 40 + - compatible 41 + - reg 42 + - interrupts 43 + - vcc33-supply 44 + 45 + additionalProperties: false 46 + 47 + examples: 48 + - | 49 + #include <dt-bindings/gpio/gpio.h> 50 + #include <dt-bindings/interrupt-controller/irq.h> 51 + 52 + i2c { 53 + #address-cells = <1>; 54 + #size-cells = <0>; 55 + 56 + touchscreen@38 { 57 + compatible = "focaltech,ft8112"; 58 + reg = <0x38>; 59 + 60 + interrupt-parent = <&pio>; 61 + interrupts = <15 IRQ_TYPE_LEVEL_LOW>; 62 + 63 + reset-gpios = <&pio 126 GPIO_ACTIVE_LOW>; 64 + vcc33-supply = <&pp3300_tchscr_x>; 65 + }; 66 + };