In some configrations the touch controller can support the touch-keys.
Doucument the linux,keycodes property that enables those keys and
specifies the keycodes that should be used to report the key events.
Signed-off-by: Nikita Travkin <nikita@xxxxxxx>
---
.../bindings/input/touchscreen/zinitix,bt400.yaml | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml b/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml
index b4e5ba7c0b49..40b243c07fd4 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml
@@ -79,6 +79,14 @@ 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.
+ $ref: /schemas/input/input.yaml#/properties/linux,keycodes
+ minItems: 1
+ maxItems: 8
+
touchscreen-size-x: true
touchscreen-size-y: true
touchscreen-fuzz-x: true
--
2.30.2
