dt-bindings: input: convert max11801-ts to yaml format

Convert max11801-ts to yaml format.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250904200641.531897-1-Frank.Li@nxp.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Documentation/devicetree/bindings/input/touchscreen/max11801-ts.txt

@@ -1,17 +0,0 @@
-* MAXI MAX11801 Resistive touch screen controller with i2c interface
-
-Required properties:
-- compatible: must be "maxim,max11801"
-- reg: i2c slave address
-- interrupts: touch controller interrupt
-
-Example:
-
-&i2c1 {
-	max11801: touchscreen@48 {
-		compatible = "maxim,max11801";
-		reg = <0x48>;
-		interrupt-parent = <&gpio3>;
-		interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
-	};
-};

Documentation/devicetree/bindings/input/touchscreen/maxim,max11801.yaml

@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/maxim,max11801.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MAXI MAX11801 Resistive touch screen controller with i2c interface
+
+maintainers:
+  - Frank Li <Frank.Li@nxp.com>
+
+properties:
+  compatible:
+    const: maxim,max11801
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+allOf:
+  - $ref: touchscreen.yaml
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        touchscreen@48 {
+            compatible = "maxim,max11801";
+            reg = <0x48>;
+            interrupt-parent = <&gpio3>;
+            interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
+        };
+    };