The Elan eKTP1059 Touchpad is seen in the Epson Moverio BT-200
attached via SPI. Add a binding for this chip. Little is known.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
.../devicetree/bindings/input/elan,ektp1059.yaml | 45 ++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/elan,ektp1059.yaml b/Documentation/devicetree/bindings/input/elan,ektp1059.yaml
new file mode 100644
index 000000000000..a10256a271e0
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/elan,ektp1059.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/elan,ektp1059.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Elantech SPI Touchpad
+
+maintainers:
+ - Andreas Kemnade <andreas@kemnade.info>
+
+allOf:
+ - $ref: touchscreen/touchscreen.yaml#
+
+properties:
+ compatible:
+ const: elan,ektp1059
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ touchpad@0 {
+ compatible = "elan,ektp1059";
+ reg = <0x0>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <0x0 IRQ_TYPE_LEVEL_LOW>;
+ };
+ };
--
2.39.5