linux-kernel - Re: [PATCH v2 0/2] mux: adg2404: add support for ADG2404 multiplexer

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Message-ID: <20260106190510.GA2546640-robh@kernel.org>
Date: Tue, 6 Jan 2026 13:05:10 -0600
From: Rob Herring <robh@...nel.org>
To: Antoniu Miclaus <antoniu.miclaus@...log.com>
Cc: Peter Rosin <peda@...ntia.se>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Arnd Bergmann <arnd@...db.de>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] mux: adg2404: add support for ADG2404 multiplexer

On Mon, Jan 05, 2026 at 02:00:29PM +0200, Antoniu Miclaus wrote:
> This series adds support for the Analog Devices ADG2404, a 4:1 analog
> multiplexer with low 0.62Ω on-resistance.
> 
> The ADG2404 features:
> - Low RON of 0.62Ω
> - Flat RON across signal range (0.003Ω)
> - Dual supply operation (±15V, ±5V)
> - Single supply operation (+12V)
> - Asymmetric supply support (+5V/-12V)
> - 1.8V/3.3V/5V logic compatibility
> - Break-before-make switching
> 
> Applications include automatic test equipment, data acquisition,
> instrumentation, audio/video switching, and communication systems.

Isn't this just a gpio-mux with the addition of an enable GPIO line? 
Wouldn't adding enable-gpios and support for it in the gpio-mux driver 
work?

Rob