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| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2021-05-25 21:53:29 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2021-05-25 23:05:25 +0300 |
| commit | ff7af0fe13b5254ba8467a4344ab53ab0445971e (patch) | |
| tree | 20e649163a6f47ee34f5617ca0cab3befdb0fb8a /Documentation/devicetree/bindings/input | |
| parent | 71d576d31f85a996ec4b5136553f40b1299fa5c5 (diff) | |
| download | linux-ff7af0fe13b5254ba8467a4344ab53ab0445971e.tar.xz | |
dt-bindings: touchscreen: add touchscreen-x/y-plate-ohms property
To calculate the pressure on a restrictive touchscreen we need to know
resistance at least of X plate. Some calculations need to use both X and
Y values. So let's add generic properties which can be used by all
drivers.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210525054634.9134-3-o.rempel@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/input')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml index 046ace461cc9..4b5b212c772c 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml +++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml @@ -74,6 +74,12 @@ properties: touchscreen-y-mm: description: vertical length in mm of the touchscreen + touchscreen-x-plate-ohms: + description: Resistance of the X-plate in Ohms + + touchscreen-y-plate-ohms: + description: Resistance of the Y-plate in Ohms + dependencies: touchscreen-size-x: [ touchscreen-size-y ] touchscreen-size-y: [ touchscreen-size-x ] |