If you are using a custom device tree (DTB overlay) for a 10.1-inch screen, your dts configuration might look like this:
&i2c1 gt9xx: touchscreen@5d compatible = "goodix,gt911"; reg = <0x5d>; interrupt-parent = <&gpio>; interrupts = <4 IRQ_TYPE_EDGE_FALLING>; irq-gpios = <&gpio 4 GPIO_ACTIVE_HIGH>; reset-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; touchscreen-size-x = <1024>; touchscreen-size-y = <600>; ; ; gt9xx-1024x600
When people try to install a newer version of Android or Linux on an old device, "gt9xx" is often the first driver they have to hunt for in the kernel source. Inverted Touch: If you are using a custom device tree (DTB overlay) for a 10