In some configurations the touch controller can support the touch-keys.
Document the linux,keycodes property that enables those keys and
specifies the keycodes that should be used to report the key events.
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Nikita Travkin <nikita@xxxxxxx>
---
.../devicetree/bindings/input/touchscreen/zinitix,bt400.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml b/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml
index b1507463a03e..3f663ce3e44e 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml
@@ -16,6 +16,7 @@ maintainers:
allOf:
- $ref: touchscreen.yaml#
+ - $ref: ../input.yaml#
properties:
$nodename:
@@ -79,6 +80,15 @@ properties:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [1, 2]
+ linux,keycodes:
+ description:
+ This property specifies an array of keycodes assigned to the
+ touch-keys that can be present in some touchscreen configurations.
+ If the touch-keys are enabled, controller firmware will assign some
+ touch sense lines to those keys.
+ minItems: 1
+ maxItems: 8
+
touchscreen-size-x: true
touchscreen-size-y: true
touchscreen-fuzz-x: true
--
2.41.0
