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

From: Andrew Thomas

Date: Mon Jan 26 2026 - 11:41:07 EST


---
.../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@xxxxxxxxxxxxxx>
+
+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