From: Stefan Wahren <wahrenst@gmx.net>
To: Gregor Herburger <gregor.herburger@linutronix.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Florian Fainelli <florian.fainelli@broadcom.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
Eric Anholt <eric@anholt.net>,
Dave Stevenson <dave.stevenson@raspberrypi.com>
Cc: devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/2] arm64: dts: broadcom: bcm2712-d-rpi-5-b: add compatible
Date: Mon, 10 Aug 2026 18:04:35 +0200 [thread overview]
Message-ID: <a406e17e-cd64-4167-a130-c39c7efa345f@gmx.net> (raw)
In-Reply-To: <20260810-bcm2712-d-stepping-compatible-v4-2-73f74479539c@linutronix.de>
Am 10.08.26 um 13:46 schrieb Gregor Herburger:
> The bcm2712 found on the Raspberry Pi 5 is available in the d Stepping
> and in a c Stepping. There are two separate dts files. The
> bcm2712-rpi-5-b.dts for the c Stepping and the bcm2712-d-rpi-5-b.dts for
> the d Stepping. The d stepping does not set its own compatible/model
> string but uses "raspberrypi,5-model-b" through its include.
>
> These two steppings are not compatible. Booting with the wrong dtb file
> causes a crash at boot.
>
> Add a compatibles string "raspberrypi,5-model-b-d0" together with a
> "bcm2712-d0" string to allow us to distinguish between those two
> steppings.
>
> Fixes: 44839e2ac8ec ("arm64: dts: broadcom: Add DT for D-step version of BCM2712")
> Signed-off-by: Gregor Herburger <gregor.herburger@linutronix.de>
> ---
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
prev parent reply other threads:[~2026-08-10 16:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-10 11:46 [PATCH v4 0/2] arm64: dts: broadcom: bcm2712-d-rpi-5-b: add compatible Gregor Herburger
2026-08-10 11:46 ` [PATCH v4 1/2] dt-bindings: arm: bcm2835: Add 2712-d0 Stepping Gregor Herburger
2026-08-10 16:03 ` Stefan Wahren
2026-08-10 11:46 ` [PATCH v4 2/2] arm64: dts: broadcom: bcm2712-d-rpi-5-b: add compatible Gregor Herburger
2026-08-10 16:04 ` Stefan Wahren [this message]
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