linux-kernel - Re: [PATCH v4 8/8] ARM: dts: r9a06g032: Add support for GPIO interrupts

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Message-ID: <CAMRc=Mfh_6kfreC6WNFvFE2X5RZmuHfuVQK+GQ2q6Df-4kJXCQ@mail.gmail.com>
Date: Mon, 22 Sep 2025 18:33:33 +0300
From: Bartosz Golaszewski <brgl@...ev.pl>
To: "Herve Codina (Schneider Electric)" <herve.codina@...tlin.com>
Cc: Phil Edworthy <phil.edworthy@...esas.com>, linux-gpio@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-renesas-soc@...r.kernel.org, Pascal Eberhard <pascal.eberhard@...com>, 
	Miquel Raynal <miquel.raynal@...tlin.com>, Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
	Thomas Gleixner <tglx@...utronix.de>, Wolfram Sang <wsa+renesas@...g-engineering.com>, 
	Hoan Tran <hoan@...amperecomputing.com>, 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>, 
	Geert Uytterhoeven <geert+renesas@...der.be>, Magnus Damm <magnus.damm@...il.com>, 
	Saravana Kannan <saravanak@...gle.com>, Serge Semin <fancer.lancer@...il.com>
Subject: Re: [PATCH v4 8/8] ARM: dts: r9a06g032: Add support for GPIO interrupts

On Mon, 22 Sep 2025 17:26:39 +0200, "Herve Codina (Schneider
Electric)" <herve.codina@...tlin.com> said:
> In the RZ/N1 SoC, the GPIO interrupts are multiplexed using the GPIO
> Interrupt Multiplexer.
>
> Add the multiplexer node and connect GPIO interrupt lines to the
> multiplexer.
>
> The interrupt-map available in the multiplexer node has to be updated in
> dts files depending on the GPIO usage. Indeed, the usage of an interrupt
> for a GPIO is board dependent.
>
> Up to 8 GPIOs can be used as an interrupt line (one per multiplexer
> output interrupt).
>
> Signed-off-by: Herve Codina (Schneider Electric) <herve.codina@...tlin.com>
> ---

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>