linux-kernel - Re: [PATCH v5 1/2] dt-bindings: gpio: add gpio-line-mux controller

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Message-ID: <20251106-handgrip-snoring-8e584fc97d3d@spud>
Date: Thu, 6 Nov 2025 17:47:12 +0000
From: Conor Dooley <conor@...nel.org>
To: Jonas Jelonek <jelonek.jonas@...il.com>
Cc: Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Peter Rosin <peda@...ntia.se>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Thomas Richard <thomas.richard@...tlin.com>
Subject: Re: [PATCH v5 1/2] dt-bindings: gpio: add gpio-line-mux controller

On Wed, Nov 05, 2025 at 04:36:09PM +0000, Jonas Jelonek wrote:
> Add dt-schema for a gpio-line-mux controller which exposes virtual
> GPIOs for a shared GPIO controlled by a multiplexer, e.g. a gpio-mux.
> 
> The gpio-line-mux controller is a gpio-controller, thus has mostly the
> same semantics. However, it requires a mux-control to be specified upon
> which it will operate.
> 
> Signed-off-by: Jonas Jelonek <jelonek.jonas@...il.com>

> +  muxed-gpios:

v5: - renamed "shared" to "muxed" to avoid confusion with Bartosz' work
    - dropped Reviewed-by of Krzysztof due to binding change

FWIW, I wouldn't bother dropping the tag for something this simple.

Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
pw-bot: not-applicable

> +    maxItems: 1
> +    description:
> +      GPIO which is the '1' in 1-to-many and is shared by the virtual GPIOs
> +      and controlled via the mux.

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