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

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Message-ID: <20260127141609.GA1565784-robh@kernel.org>
Date: Tue, 27 Jan 2026 08:16:09 -0600
From: Rob Herring <robh@...nel.org>
To: Andrew Thomas <andrew.thomas@...chnetix.com>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Henrik Rydberg <rydberg@...math.org>, linux-input@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Marco Felsch <m.felsch@...gutronix.de>
Subject: Re: [PATCH 1/2] dt-bindings: input: touchscreen: add TouchNetix
 aXiom device tree

On Mon, Jan 26, 2026 at 04:38:23PM +0000, Andrew Thomas wrote:
> ---

Also needs a commit message and S-o-b.

>  .../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: |

Don't need '|' if no formatting to preserve.

> +  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
>