linux-kernel - [PATCH 1/2] dt-bindings: input: touchscreen: add TouchNetix aXiom device tree

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Message-Id: <20260126-axiom-driver-submission3-v1-1-d462c4a608e3@touchnetix.com>
Date: Mon, 26 Jan 2026 16:38:23 +0000
From: Andrew Thomas <andrew.thomas@...chnetix.com>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Henrik Rydberg <rydberg@...math.org>
Cc: linux-input@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Andrew Thomas <andrew.thomas@...chnetix.com>, 
 Marco Felsch <m.felsch@...gutronix.de>
Subject: [PATCH 1/2] dt-bindings: input: touchscreen: add TouchNetix aXiom
 device tree

---
 .../bindings/input/touchscreen/tnx,axiom.yaml      | 70 ++++++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml       |  2 +
 2 files changed, 72 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/touchscreen/tnx,axiom.yaml b/Documentation/devicetree/bindings/input/touchscreen/tnx,axiom.yaml
new file mode 100644
index 000000000000..7b532471c17f
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/tnx,axiom.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/tnx,axiom.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TouchNetix aXiom Touchscreen Controller
+
+maintainers:
+  - Andrew Thomas <andrew.thomas@...chnetix.com>
+
+description: |
+  The TouchNetix aXiom series are high-performance touchscreen controllers
+  supporting various interface methods including I2C and SPI.
+
+properties:
+  compatible:
+    enum:
+      - tnx,axiom
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description: Both IRQ_TYPE_LEVEL_LOW and IRQ_TYPE_EDGE_FALLING are supported
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+allOf:
+  - $ref: touchscreen.yaml#
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        touchscreen@66 {
+            compatible = "tnx,axiom-i2c";
+            reg = <0x66>;
+            interrupt-parent = <&gpio>;
+            interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
+            axiom,poll-enable;
+            axiom,poll-period = <15>;
+        };
+    };
+
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        touchscreen@0 {
+            compatible = "tnx,axiom-spi";
+            reg = <0>;
+            interrupt-parent = <&gpio>;
+            interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index f1d1882009ba..dadfc7036ed7 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1636,6 +1636,8 @@ patternProperties:
     description: Trusted Logic Mobility
   "^tmt,.*":
     description: Tecon Microprocessor Technologies, LLC.
+  "^tnx,.*":
+    description: TouchNetix
   "^topeet,.*":
     description: Topeet
   "^topic,.*":

-- 
2.43.0