On Wed, Dec 20, 2023 at 09:39:43AM +0100, Javier Carrasco wrote:

The touch-overlay encompasses a number of touch areas that define a
clipped touchscreen area and/or buttons with a specific functionality.

A clipped touchscreen area avoids getting events from regions that are
physically hidden by overlay frames.

For touchscreens with printed overlay buttons, sub-nodes with a suitable
key code can be defined to report key events instead of the original
touch events.

Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
---
 .../bindings/input/touchscreen/touchscreen.yaml    | 119 +++++++++++++++++++++
 1 file changed, 119 insertions(+)

Reviewed-by: Rob Herring <robh@kernel.org>