Then please explain this statement:I never said it's changeable.
Without providing a fixed regulator the MMC core doesn't have any chance to know the IO line power and assume 3.3 V. This is correct for most of the Raspberry Pis except the Compute Modules.
Cool - our messages crossed.i allready did that without dtdebug=1, but Touch seems to be working right now.
Please describe carefully what is upside down relative to what.However, its upside down, can raspberry change its orientation ?
Perhaps the supplier of the screen has modified the standard overlay - can you upload the original .dtbo (or .dtb) somewhere so I can take a look?its the firmware delivered with the screen, also with the same parameters.