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[v2,2/4] dt-bindings: touchscreen: add touchscreen-x/y-plate-ohms property

Message ID 20210518125748.26823-3-o.rempel@pengutronix.de
State Superseded, archived
Headers show
Series [v2,1/4] dt-bindings: touchscreen: Convert resistive-adc-touch binding to json schema | expand

Checks

Context Check Description
robh/checkpatch warning total: 0 errors, 1 warnings, 12 lines checked
robh/dt-meta-schema success
robh/dtbs-check success

Commit Message

Oleksij Rempel May 18, 2021, 12:57 p.m. UTC
Te calculate the pressure on a restrictive touchscreen we need need to
know resistance at least of X plate. Some calculations need to use both
X and Y values.
So, add generic properties which can be used by all drivers

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 .../devicetree/bindings/input/touchscreen/touchscreen.yaml  | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

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 ]