dt-bindings: touchscreen: Add touchscreen schema

Add touchscreen schema for common properties

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200108091118.5130-2-benjamin.gaignard@st.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
index 8641a2d70851822c109a52f237b52824c26bd0bb..e1adb902d50398cf86bc1f0360e568c74cf38fc9 100644 (file)
--- a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
@@ -1,39 +1 @@
-General Touchscreen Properties:
-
-Optional properties for Touchscreens:
- - touchscreen-min-x           : minimum x coordinate reported (0 if not set)
- - touchscreen-min-y           : minimum y coordinate reported (0 if not set)
- - touchscreen-size-x          : horizontal resolution of touchscreen
-                                 (maximum x coordinate reported + 1)
- - touchscreen-size-y          : vertical resolution of touchscreen
-                                 (maximum y coordinate reported + 1)
- - touchscreen-max-pressure    : maximum reported pressure (arbitrary range
-                                 dependent on the controller)
- - touchscreen-min-pressure    : minimum pressure on the touchscreen to be
-                                 achieved in order for the touchscreen
-                                 driver to report a touch event.
- - touchscreen-fuzz-x          : horizontal noise value of the absolute input
-                                 device (in pixels)
- - touchscreen-fuzz-y          : vertical noise value of the absolute input
-                                 device (in pixels)
- - touchscreen-fuzz-pressure   : pressure noise value of the absolute input
-                                 device (arbitrary range dependent on the
-                                 controller)
- - touchscreen-average-samples : Number of data samples which are averaged
-                                 for each read (valid values dependent on the
-                                 controller)
- - touchscreen-inverted-x      : X axis is inverted (boolean)
- - touchscreen-inverted-y      : Y axis is inverted (boolean)
- - touchscreen-swapped-x-y     : X and Y axis are swapped (boolean)
-                                 Swapping is done after inverting the axis
- - touchscreen-x-mm            : horizontal length in mm of the touchscreen
- - touchscreen-y-mm            : vertical length in mm of the touchscreen
-
-Deprecated properties for Touchscreens:
- - x-size                      : deprecated name for touchscreen-size-x
- - y-size                      : deprecated name for touchscreen-size-y
- - moving-threshold            : deprecated name for a combination of
-                                 touchscreen-fuzz-x and touchscreen-fuzz-y
- - contact-threshold           : deprecated name for touchscreen-fuzz-pressure
- - x-invert                    : deprecated name for touchscreen-inverted-x
- - y-invert                    : deprecated name for touchscreen-inverted-y
+See touchscreen.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml
new file mode 100644 (file)
index 0000000..d7dac16
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/touchscreen.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Common touchscreen Bindings
+
+maintainers:
+  - Dmitry Torokhov <dmitry.torokhov@gmail.com>
+
+properties:
+  touchscreen-min-x:
+    description: minimum x coordinate reported
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 0
+
+  touchscreen-min-y:
+    description: minimum y coordinate reported
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 0
+
+  touchscreen-size-x:
+    description: horizontal resolution of touchscreen (maximum x coordinate reported + 1)
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  touchscreen-size-y:
+    description: vertical resolution of touchscreen (maximum y coordinate reported + 1)
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  touchscreen-max-pressure:
+    description: maximum reported pressure (arbitrary range dependent on the controller)
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  touchscreen-min-pressure:
+    description: minimum pressure on the touchscreen to be achieved in order for the
+                 touchscreen driver to report a touch event.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  touchscreen-fuzz-x:
+    description: horizontal noise value of the absolute input device (in pixels)
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  touchscreen-fuzz-y:
+    description: vertical noise value of the absolute input device (in pixels)
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  touchscreen-fuzz-pressure:
+    description: pressure noise value of the absolute input device (arbitrary range
+                 dependent on the controller)
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  touchscreen-average-samples:
+    description: Number of data samples which are averaged for each read (valid values
+                 dependent on the controller)
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  touchscreen-inverted-x:
+    description: X axis is inverted
+    type: boolean
+
+  touchscreen-inverted-y:
+    description: Y axis is inverted
+    type: boolean
+
+  touchscreen-swapped-x-y:
+    description: X and Y axis are swapped
+                 Swapping is done after inverting the axis
+    type: boolean
+
+  touchscreen-x-mm:
+    description: horizontal length in mm of the touchscreen
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  touchscreen-y-mm:
+    description: vertical length in mm of the touchscreen
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+dependencies:
+  touchscreen-size-x: [ touchscreen-size-y ]
+  touchscreen-size-y: [ touchscreen-size-x ]
+  touchscreen-x-mm: [ touchscreen-y-mm ]
+  touchscreen-y-mm: [ touchscreen-x-mm ]