The Goodix GT9xx series supports up to 10-inch screens and 5-point multi-touch.
To make the screen functional, the system's software, or operating system (OS), needs to be configured correctly. The process involves two key parts.
Unlike lower-end controllers (like the FT5x06 series) that can struggle with the RC time constants of larger Indium Tin Oxide (ITO) grids, the Go to product viewer dialog for this item.
&i2c_port gt911@5d compatible = "goodix,gt911"; reg = ; interrupt-parent = <&gpio1>; interrupts = ; irq-gpios = <&gpio1 2 0>; reset-gpios = <&gpio1 3 0>; touchscreen-size-x = ; touchscreen-size-y = ; ; ; Use code with caution. Copied to clipboard Linux: Adding GT9xx touchscreen drivers to AM335x SDK gt9xx-1024x600
If you are working on configuring a GT9XX-1024x600 display right now, I can help walk you through the setup. Could you let me know:
When purchasing a "GT9XX-1024x600" module, you usually buy a complete assembly: an LCD panel + a capacitive touch panel (CTP) with the GT9XX controller already bonded to the FPC.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. The Goodix GT9xx series supports up to 10-inch
The standard Linux kernel driver is goodix_ts .
Integration typically involves configuring the touch controller via I2C and mapping it to the operating system's display drivers (often DRM/KMS or X11). 3.1. Kernel Driver Requirements (Linux/Android)
gt9xx: gt9xx@5d compatible = "goodix,gt911"; /* or gt9271 */ reg = <0x5d>; interrupt-parent = <&gpio>; interrupts = <17 0>; /* GPIO 17, falling edge */ reset-gpios = <&gpio 27 0>; /* GPIO 27 */ Unlike lower-end controllers (like the FT5x06 series) that
This alphanumeric code is not just a random label. It represents a marriage between a powerful touch controller family (GT9XX, typically from Goodix) and a specific display resolution (1024x600, also known as WSVGA). Whether you are building a smart home control panel, an industrial PLC interface, a car infotainment system, or a custom Raspberry Pi tablet, understanding the GT9XX-1024x600 combo is essential.
This happens when the display output scales to 1024x600, but the touch controller defaults to a different internal resolution (like 800x480).
| Symptom | Likely Cause | Fix | | :--- | :--- | :--- | | | Power sequencing wrong | Check RESET pin; pull high after 50ms. | | Touch works but offset by 200px | OS scaling missing | Add touchscreen-size-x to DT. | | Spurious touches (ghost touches) | Noise on power line or ground loop | Add ferrite bead to VDD line; filter INT pin. | | Driver loads but no interrupt | GPIO mapping wrong | Check interrupt-parent and phandle . | | Only 1 touch works | Firmware limited to single-touch | Re-write config to enable 5 or 10 points. |