From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C39954052A8; Tue, 11 Aug 2026 07:58:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786435087; cv=none; b=Mg8NnzPcPqOxGDTZWpal/Vsc4SQT3ud/iM5Q3m41wXmpbNCvUqkvawxLcaObwtOkY5veXP0U6ERM36OdrpOINCwYl40cUMYaHgdJZf7xAV6Ed1M++0rBjQxbaZHmKs9AIIBic0Nx/8Nfh7wqLH6Y502cSXMM2AZgLnSg1eB664E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786435087; c=relaxed/simple; bh=BcuvSq3bhwOK+wJrA7K0jYc+TXcouIzTAIZnvLiAU/c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hm3do5LZWfCuw4PJy9BsV3hijI/JY43CY6jqcs8BPiQeFqFjoi0LyZo+yz83GeowBNq6s2bUD9+CZa7Loa5S+Skjz3Q5T9RjH4kRqbVQ8JKCHwCr63f6ntflUlUnIZysm2ym3rObzkTKjCAmOyZzRJTVqVbnKQxIZcJQHP7A3xc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ot72oGLG; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ot72oGLG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 98F171F000E9; Tue, 11 Aug 2026 07:58:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786435086; bh=t3h3cJ0qP3L7iOzOK2iiDLYlkqhKo7VzA9qO5zpqwG4=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=ot72oGLGy5tCfNQQtynMP840Swd1Kypxm8BrBtYOqAg0BJ1HPogZR+ytLCLhZKlZ5 quTz9O5O0hpOfTCbDt/B452ltgkL/+IRfP+TDmETWZ68J3lO25DZ7SxPwcgUP+sLTV 19D0bVOR/FZcuvAMUNKmQj0Fl08cXFQs/VqGAcgkj6/96JNoY+wstpp/W0gKeizO9T nc1pmuOIhPUvMq+EbcOosLrPFx/uU1zy9jSC9CPW0VDRS7m+EvGML6+LG+mxtGeW1x eJou6h+a+wwZG64JPpRcEbmRrOJjBWTTcJVtoTHcA7Vkxij2d7IZkzfbkyQg2PbJyP qzr1li1MH1wgA== Date: Tue, 11 Aug 2026 09:58:03 +0200 From: Krzysztof Kozlowski To: Gregor Herburger Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Eric Anholt , Stefan Wahren , Dave Stevenson , 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 Message-ID: <20260811-celestial-discerning-scallop-beeba3@quoll> References: <20260810-bcm2712-d-stepping-compatible-v4-0-73f74479539c@linutronix.de> <20260810-bcm2712-d-stepping-compatible-v4-2-73f74479539c@linutronix.de> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260810-bcm2712-d-stepping-compatible-v4-2-73f74479539c@linutronix.de> On Mon, Aug 10, 2026 at 01:46:34PM +0200, Gregor Herburger wrote: > 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 > --- > arch/arm64/boot/dts/broadcom/bcm2712-d-rpi-5-b.dts | 5 +++++ > 1 file changed, 5 insertions(+) Acked-by: Krzysztof Kozlowski Best regards, Krzysztof