[PATCH v6 1/2] dt-bindings: input: touchscreen: add Hynitron CST816X

[Oleh Kuzhylnyi]

Add documentation for the Hynitron CST816X touchscreen bindings.

Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Signed-off-by: Oleh Kuzhylnyi <kuzhylol@xxxxxxxxx>
---

Changes in v6:
 - Fix minor tweak adviced by Krzysztof:
 - Move additionalProperties field after required

Changes in v5:
 - No code changes

Changes in v4:
 - Add Conor's Dooley "Reviewed-by" tag

Changes in v3:
 - Rename filename to hynitron,cst816s.yaml
 - Update description with display details

Changes in v2:
 - Apply pin definitions and DT headers
 - Use generic name for DT node
 - Drop status field

 .../input/touchscreen/hynitron,cst816s.yaml   | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hynitron,cst816s.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/hynitron,cst816s.yaml b/Documentation/devicetree/bindings/input/touchscreen/hynitron,cst816s.yaml
new file mode 100644
index 000000000000..b3f4049e4b9b
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/hynitron,cst816s.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/hynitron,cst816s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hynitron CST816S Touchscreen controller
+
+description:
+  Hynitron CST816S Touchscreen controller for 1.28-inch 240x240 Resolution
+  Touch LCD Display Module
+
+maintainers:
+  - Oleh Kuzhylnyi <kuzhylol@xxxxxxxxx>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    enum:
+      - hynitron,cst816s
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - reset-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      touchscreen@15 {
+        compatible = "hynitron,cst816s";
+        reg = <0x15>;
+        interrupt-parent = <&gpio0>;
+        interrupts = <4 IRQ_TYPE_EDGE_RISING>;
+        reset-gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
+      };
+    };
+
+...
-- 
2.34.1