linux-kernel - [PATCH 1/2] dt-bindings: Input: Add Wacom W9000-series penabled touchscreens

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Message-ID: <20251027212535.4078-1-hendrik-noack@gmx.de>
Date: Mon, 27 Oct 2025 22:25:34 +0100
From: Hendrik Noack <hendrik-noack@....de>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Hendrik Noack <hendrik-noack@....de>,
	linux-input@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: Input: Add Wacom W9000-series penabled touchscreens

Add bindings for two Wacom W9007 variants which can be found in tablets.

Signed-off-by: Hendrik Noack <hendrik-noack@....de>
---
 .../input/touchscreen/wacom,w9000-series.yaml | 79 +++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/wacom,w9000-series.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/wacom,w9000-series.yaml b/Documentation/devicetree/bindings/input/touchscreen/wacom,w9000-series.yaml
new file mode 100644
index 000000000000..93579ae0297e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/wacom,w9000-series.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/wacom,w9000-series.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Wacom W9000-series penabled I2C touchscreen driver
+
+description:
+  The W9000-series are penabled touchscreen controllers by Wacom.
+
+maintainers:
+  - Hendrik Noack <hendrik-noack@....de>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    enum:
+      - wacom,w9007a_lt03
+      - wacom,w9007a_v1
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  vdd-supply:
+    description:
+      Optional regulator for the VDD digital voltage.
+
+  pdct-gpios:
+    maxItems: 1
+    description:
+      Optional GPIO specifier for the touchscreen's pdct pin.
+
+  flash-mode-gpios:
+    maxItems: 1
+    description:
+      Optional GPIO specifier for the touchscreen's flash-mode pin.
+
+  pen-inserted-gpios:
+    maxItems: 1
+    description:
+      Optional GPIO specifier for the touchscreen's pen-insert pin.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - vdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      digitizer@56 {
+        compatible = "wacom,wacom,w9007a_v1";
+        reg = <0x56>;
+        interrupt-parent = <&gpx3>;
+        interrupts = <5 IRQ_TYPE_EDGE_RISING>;
+
+        vdd-supply = <&stylus_reg>;
+
+        pdct-gpios = <&gpd1 2 GPIO_ACTIVE_HIGH>;
+        flash-mode-gpios = <&gpd1 3 GPIO_ACTIVE_HIGH>;
+        pen-inserted-gpios = <&gpx0 0 GPIO_ACTIVE_LOW>;
+
+        touchscreen-x-mm = <262>;
+        touchscreen-y-mm = <164>;
+      };
+    };
-- 
2.43.0