dt-bindings: input: elan,ekth3000: Convert txt bindings to yaml

Convert Elan touchpad documentation to the YAML syntax.

Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20211009183016.65218-1-david@ixit.cz
Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 81 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/input/elan,ekth3000.yaml b/Documentation/devicetree/bindings/input/elan,ekth3000.yaml
new file mode 100644
index 000000000000..2a9bb6ace021
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/elan,ekth3000.yaml
@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/elan,ekth3000.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Elantech I2C Touchpad
+
+maintainers:
+  - Dmitry Torokhov <dmitry.torokhov@gmail.com>
+
+allOf:
+  - $ref: touchscreen/touchscreen.yaml#
+
+properties:
+  compatible:
+    const: elan,ekth3000
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  wakeup-source:
+    type: boolean
+    description: touchpad can be used as a wakeup source
+
+  vcc-supply:
+    description: a phandle for the regulator supplying 3.3V power
+
+  elan,trackpoint:
+    type: boolean
+    description: touchpad can support a trackpoint
+
+  elan,clickpad:
+    type: boolean
+    description: touchpad is a clickpad (the entire surface is a button)
+
+  elan,middle-button:
+    type: boolean
+    description: touchpad has a physical middle button
+
+  elan,x_traces:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: number of antennas on the x axis
+
+  elan,y_traces:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: number of antennas on the y axis
+
+  touchscreen-size-x: true
+
+  touchscreen-size-y: true
+
+  touchscreen-x-mm: true
+
+  touchscreen-y-mm: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        touchpad@15 {
+            compatible = "elan,ekth3000";
+            reg = <0x15>;
+            interrupt-parent = <&gpio4>;
+            interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
+            wakeup-source;
+        };
+    };