linux-kernel - Re: [PATCH v2 3/4] dt-bindings: input: Add TouchNetix axiom touchscreen

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Message-ID: <c4514a7e-d5d5-416e-bc4d-d91476bebb35@kernel.org>
Date: Thu, 29 May 2025 09:36:45 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Marco Felsch <m.felsch@...gutronix.de>,
 Luis Chamberlain <mcgrof@...nel.org>, Russ Weight <russ.weight@...ux.dev>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 "Rafael J. Wysocki" <rafael@...nel.org>,
 Andrew Morton <akpm@...ux-foundation.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Dmitry Torokhov <dmitry.torokhov@...il.com>,
 Kamel Bouhara <kamel.bouhara@...tlin.com>,
 Marco Felsch <kernel@...gutronix.de>, Henrik Rydberg <rydberg@...math.org>,
 Danilo Krummrich <dakr@...hat.com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-input@...r.kernel.org
Subject: Re: [PATCH v2 3/4] dt-bindings: input: Add TouchNetix axiom
 touchscreen

On 29/05/2025 00:08, Marco Felsch wrote:
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      touchscreen@66 {
> +        compatible = "touchnetix,ax54a";
> +        reg = <0x66>;
> +        interrupt-parent = <&gpio2>;
> +        interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
> +        reset-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
I have doubts that it works. It is perfectly possible that you inverted
the signal, but rather rare, and datasheet clearly says active low.

Best regards,
Krzysztof