| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) | |
| %YAML 1.2 | |
| --- | |
| $id: http://devicetree.org/schemas/input/parade,tc3408.yaml# | |
| $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| title: Parade TC3408 touchscreen controller | |
| maintainers: | |
| - Langyan Ye <yelangyan@huaqin.corp-partner.google.com> | |
| description: | | |
| Parade TC3408 is a touchscreen controller supporting the I2C-HID protocol. | |
| It requires a reset GPIO and two power supplies (3.3V and 1.8V). | |
| allOf: | |
| - $ref: /schemas/input/touchscreen/touchscreen.yaml# | |
| properties: | |
| compatible: | |
| const: parade,tc3408 | |
| reg: | |
| maxItems: 1 | |
| interrupts: | |
| maxItems: 1 | |
| reset-gpios: | |
| maxItems: 1 | |
| vcc33-supply: | |
| description: The 3.3V supply to the touchscreen. | |
| vccio-supply: | |
| description: The 1.8V supply to the touchscreen. | |
| required: | |
| - compatible | |
| - reg | |
| - interrupts | |
| - reset-gpios | |
| - vcc33-supply | |
| - vccio-supply | |
| unevaluatedProperties: false | |
| examples: | |
| - | | |
| #include <dt-bindings/gpio/gpio.h> | |
| #include <dt-bindings/interrupt-controller/irq.h> | |
| i2c { | |
| #address-cells = <1>; | |
| #size-cells = <0>; | |
| touchscreen: touchscreen@24 { | |
| compatible = "parade,tc3408"; | |
| reg = <0x24>; | |
| interrupt-parent = <&pio>; | |
| interrupts = <15 IRQ_TYPE_LEVEL_LOW>; | |
| reset-gpios = <&pio 126 GPIO_ACTIVE_LOW>; | |
| vcc33-supply = <&pp3300_tchscr_x>; | |
| vccio-supply = <&pp1800_tchscr_report_disable>; | |
| }; | |
| }; |