linux-kernel - Re: [PATCH v2 1/2] dt-bindings: interrupt-controller: apple,aic2: Add AICv3

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Message-ID: <878qdfmsrn.ffs@tglx>
Date: Fri, 30 Jan 2026 09:03:40 +0100
From: Thomas Gleixner <tglx@...nel.org>
To: Janne Grunau <j@...nau.net>, Sven Peter <sven@...nel.org>, Neal Gompa
 <neal@...pa.dev>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski
 <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, Janne Grunau
 <j@...nau.net>
Subject: Re: [PATCH v2 1/2] dt-bindings: interrupt-controller: apple,aic2:
 Add AICv3

On Wed, Jan 28 2026 at 09:57, Janne Grunau wrote:
> AIC version 3 as found on the Apple M3 (t8122) is very similar to AICv2
> in its base functionality. It can use the same device tree bindings as
> AICv2 so add it to the AICv2 bindings.
> This interrupt controller is used on all Apple SoCs starting with M3 up
> to at least M5.
> The only apparent difference is the increased IRQ config offset. Apple's
> device tree codes this new offset as property of the "aic" node but the
> value stayed constant for all SoCs with "aic,3". Since the SoC specific
> compatible "apple,t8122-aic3" will be used in the driver this offset can
> remain a driver implementation detail.
>
> Signed-off-by: Janne Grunau <j@...nau.net>

Can the device tree folks please have a look at this?