vcc-supply property is need for some Goodix CTP controller like GT5663
where 3.3V external pull-up regulator connected via controller VCC pin.
So, document the same as optional property.
Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/input/touchscreen/goodix.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
index f7e95c52f3c7..604766e347ce 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
@@ -23,6 +23,7 @@ Optional properties:
- touchscreen-inverted-y : Y axis is inverted (boolean)
- touchscreen-swapped-x-y : X and Y axis are swapped (boolean)
(swapping is done after inverting the axis)
+ - vcc-supply : 3v3 regulator phandle for controller VCC pin
Example:
--
2.18.0.321.gffc6fa0e3
