On Mon, May 27, 2019 at 06:07:29PM +0200, Leif Middelschulte wrote: > This documents the support for specifying the screen size in milimeter > and its impact on resolution calculation. > > Signed-off-by: Leif Middelschulte <leif.middelschulte@xxxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/input/touchscreen/stmpe.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt b/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt > index 04962e2e1ad0..d20dc5a7d8ad 100644 > --- a/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt > +++ b/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt > @@ -39,6 +39,10 @@ Optional properties: > The given window also affects the value range (limits) set > within the input subsystem which, in turn, affects > the input resolution calculation on both axes. > +- touchscreen-x-mm : horizontal length in mm of the touchscreen. It affects > + the input resolution calculation on the horizontal axis. > +- touchscreen-y-mm : vertical length in mm of the touchscreen. It affects > + the input resolution calculation on the vertical axis. No need to define this again. Just reference the common definition. If you have any additional constraints, then add them. Rob
