From 39f44d99f650f8c4732923dfbb8bd31e03a7d7dc Mon Sep 17 00:00:00 2001
From: Alistair Francis <alistair@alistair23.me>
Date: Sun, 17 Jan 2021 14:06:53 -0800
Subject: [PATCH] devicetree/bindings: Initial commit of wacom,wacom-i2c

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 .../input/touchscreen/wacom,wacom-i2c.yaml    | 55 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 2 files changed, 57 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/wacom,wacom-i2c.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/wacom,wacom-i2c.yaml b/Documentation/devicetree/bindings/input/touchscreen/wacom,wacom-i2c.yaml
new file mode 100644
index 000000000000..6b0e0034f836
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/wacom,wacom-i2c.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/wacom,wacom-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Wacom I2C Controller
+
+maintainers:
+  - Alistair Francis <alistair@alistair23.me>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    const: wacom,wacom-i2c
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  flip-tilt-x:
+  flip-tilt-y:
+  flip-pos-x:
+  flip-pos-y:
+  flip-distance:
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include "dt-bindings/interrupt-controller/irq.h"
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        digitiser@9 {
+                compatible = "wacom,wacom-i2c";
+                reg = <0x9>;
+                interrupt-parent = <&gpio1>;
+                interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
+                flip-tilt-x;
+                flip-tilt-y;
+                flip-pos-x;
+                flip-pos-y;
+                flip-distance;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 041ae90b0d8f..5bca22f035a3 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1202,6 +1202,8 @@ patternProperties:
     description: Vision Optical Technology Co., Ltd.
   "^vxt,.*":
     description: VXT Ltd
+  "^wacom,.*":
+    description: Wacom Co., Ltd
   "^wand,.*":
     description: Wandbord (Technexion)
   "^waveshare,.*":