[PATCH v1 1/2] dt-bindings: input: document Samsung A552 touchscreen controller

[Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>]

Document the Samsung A552 touchscreen controller, present in devices like
the Samsung Galaxy S7.

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
---
 .../input/touchscreen/samsung,s6sa552.yaml    | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/samsung,s6sa552.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/samsung,s6sa552.yaml b/Documentation/devicetree/bindings/input/touchscreen/samsung,s6sa552.yaml
new file mode 100644
index 000000000..af151e245
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/samsung,s6sa552.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/samsung,s6sa552.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S6SA552 touchscreen controller
+
+maintainers:
+  - Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    const: samsung,s6sa552
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  avdd-supply: true
+  vdd-supply: true
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - avdd-supply
+  - vdd-supply
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        touchscreen@48 {
+            compatible = "samsung,s6sa552";
+            reg = <0x48>;
+            interrupt-parent = <&gpa1>;
+            interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
+            avdd-supply = <&ldo30_reg>;
+            vdd-supply = <&ldo31_reg>;
+            touchscreen-size-x = <4096>;
+            touchscreen-size-y = <4096>;
+        };
+    };
-- 
2.43.0