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[79.44.170.80]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-af9383590desm1818429466b.76.2025.08.11.07.10.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Aug 2025 07:10:49 -0700 (PDT) From: Andrea della Porta To: Andrea della Porta , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Lorenzo Pieralisi , Krzysztof Wilczynski , Bjorn Helgaas , Linus Walleij , Catalin Marinas , Will Deacon , Bartosz Golaszewski , Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Greg Kroah-Hartman , Saravana Kannan , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, Masahiro Yamada , Stefan Wahren , Herve Codina , Luca Ceresoli , Thomas Petazzoni , Andrew Lunn , Phil Elwell , Dave Stevenson , kernel-list@raspberrypi.com, Matthias Brugger , iivanov@suse.de, svarbanov@suse.de Subject: [PATCH 1/2] arm64: dts: broadcom: delete redundant pcie enablement nodes Date: Mon, 11 Aug 2025 16:12:34 +0200 Message-ID: <2865b787d893fd1dcf816e1c96856711754d612d.1754914766.git.andrea.porta@suse.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The pcie1 and pcie2 override nodes to enable the respective peripherals are declared both in bcm2712-rpi-5-b.dts and bcm2712-rpi-5-b-ovl-rp1.dts, which makes those declared in the former file redundant. Drop those redundant nodes from the board devicetree. Signed-off-by: Andrea della Porta --- arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts | 8 -------- 1 file changed, 8 deletions(-) diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts b/arch/arm64/= boot/dts/broadcom/bcm2712-rpi-5-b.dts index a70a9b158df3..adad85e68f1b 100644 --- a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts +++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts @@ -15,11 +15,3 @@ &pcie2 { #include "rp1-nexus.dtsi" }; - -&pcie1 { - status =3D "okay"; -}; - -&pcie2 { - status =3D "okay"; -}; --=20 2.35.3 From nobody Sun Oct 5 00:06:47 2025 Received: from mail-ed1-f65.google.com (mail-ed1-f65.google.com [209.85.208.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3FA79149C51 for ; Mon, 11 Aug 2025 14:10:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.65 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754921455; cv=none; b=WdymxqWMeOEj4U1vMhTFchJDBrJFAM2jDHLqv8HVoPcjWkpmJ75Sa0F7EXudfrAyVS/HqfW32ddTa5+aYqqwT6Rjr/XFF4O+BB3aOdKe4Ufz3ZhARphnzOo4IohJ8Q0NfXMZUlmY23Hbqj7faen4FaFJad2ub05PgABN6PUVw/k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754921455; c=relaxed/simple; bh=YQdnjakWI6X1ZHqFhx7ybyszvQDMdraK7i+ce55DJ9Q=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ar7+zQS8OuMoSbPqhkUNYckaEPfh4KLhGGla12sju71uz78VCipkPu7EEJVIv4WvEIL8YC+NQkzm78T7eff6V6IsWvNaZwfs4i4CyUgEW9fA2cu1jW0Zl2AuDxM/9jtwU0EV8q30xlENtCNWgB7jot5F1Efc/J42p+LTXvKYHy8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=KzniqePJ; arc=none smtp.client-ip=209.85.208.65 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="KzniqePJ" Received: by mail-ed1-f65.google.com with SMTP id 4fb4d7f45d1cf-61580eb7995so8929036a12.0 for ; Mon, 11 Aug 2025 07:10:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1754921451; x=1755526251; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=VlWQwa2PAoVxO2iD+h8/whtAT2rN/XrFrW/caXqog0A=; b=KzniqePJ8BhCyIuG/HFbx8JlA4LqYA8hoQ4DW/g1hCknkihDX+ct9RMafEot1gWoKL RBi7t5LHoAslJYNxQicWQA1HsAajiFIy4eQjrOPLBVeLTIZHH3Jwoz47pJyees8MFfcv XUbwCImvfbyGp5JNc8Km7W5v0/FpjkAYorsskyJcpZ8sei2KCdVc7Rp9DZOG+Yd/FAzs ceQrku/WelAwPWMnemBSjYHE78JqWARZcDeN+2ve5e04pB2kGjDoG9RXtW88m9tNwr5Y J77nQI8UpGlH1eB5MlwiGXDOHtjp/s3mlMxaT/d4WcrBZV2o1pUsHLN42KMNG5+4mf3v AY1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754921451; x=1755526251; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VlWQwa2PAoVxO2iD+h8/whtAT2rN/XrFrW/caXqog0A=; b=IJK2eviBssOiwRpfhPslXZcz9+ukNmaF3ao6SQXSyTHA7rv+Oz4ypT47WAgaOAU8ql UOZgre7wIWoxYbtCMisQCzzeDvSEktLRmMEh3siTEivQOTpkqcR/TfML/aUbGyObbE1d J25bRQw1F/qH5O/H2Pl7s4hvjPgYacbVHvUGtrcUk51+vVS+8rmc1HgGrSQwO0XuJlRe 9PUd+PdA/IdMAkfxMArsm/ui4yjTam4TJJEyEG2unsqslS+zcIL72wQFoQTxpNQNa2wa L2hZeu/M4FedxrNz3c8MOuyAw/sGkdz13ZrIdkDc2sKLvHmzXSZiTo+1BBY+AB/pKDc8 TBuQ== X-Forwarded-Encrypted: i=1; AJvYcCVmDVq09vIEbKyItRaAG/5y402t0cyTeiNUoqXePWB0hcic6YQnb+Zfzt/R8hMJ2RBoR3cCAj7MMRKwU3w=@vger.kernel.org X-Gm-Message-State: AOJu0YwRQdfy60QRFvtzH17bM3B/NA8cRccoNxxxRsujbDEyrOj42LaX rLWNzanmwJEJ8UFp/3bBY26BT/BlkdTxaorO6Q/jALp/qq4+qLTKAQj0MU23nNIzeec= X-Gm-Gg: ASbGncudTfHeTJ7dOS0uY2D8QQkc9J8Xf/w0BsZl37Pf+NuCApOPpL9qWnUu6V9jr3a i9Q45kgANq7prvAQsVvTD/XSO6x/Qr3tAiVPVIB+0T8pCIqcbzZdULZlkGIBJzthJYSrRLKXPXg oCVNKsLcQP/powW8JqsyRDCDfXJDFzvhhvZioP2Uc4gPIgIMu3OZwWPFO/puWdJYttyBMz37bRP iHABR3TMEef8BYiyR8xfuXLzUVsTb2JKkX2fWQCGovuEt0riYemZWdPGJ0OuveLiDXo5IprQeOe KaTXHggzqLNTgB0tX+0aRmUyCR8K/kcX93CiGK1oQQKWDXx58RB4ZIqbjHalQzifclC9bjQSkJ4 4KU9EdG7xETftaHukjctWQzFvVU4BmeN7QktHkAevqKZm5EHxUMvdzPNC/pznCQecLg== X-Google-Smtp-Source: AGHT+IGSXO0okwpD5kpNnaGjEGTT73fQPhYl2aV7TxCeznx0RSbicpQ7u0NLlVgRRhjgMGZAIA2ZgA== X-Received: by 2002:a05:6402:3491:b0:618:4a1b:e311 with SMTP id 4fb4d7f45d1cf-6184a1be33amr433396a12.3.1754921451307; Mon, 11 Aug 2025 07:10:51 -0700 (PDT) Received: from localhost (host-79-44-170-80.retail.telecomitalia.it. [79.44.170.80]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-615a8f2c265sm18398979a12.26.2025.08.11.07.10.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Aug 2025 07:10:50 -0700 (PDT) From: Andrea della Porta To: Andrea della Porta , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Lorenzo Pieralisi , Krzysztof Wilczynski , Bjorn Helgaas , Linus Walleij , Catalin Marinas , Will Deacon , Bartosz Golaszewski , Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Greg Kroah-Hartman , Saravana Kannan , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, Masahiro Yamada , Stefan Wahren , Herve Codina , Luca Ceresoli , Thomas Petazzoni , Andrew Lunn , Phil Elwell , Dave Stevenson , kernel-list@raspberrypi.com, Matthias Brugger , iivanov@suse.de, svarbanov@suse.de Subject: [PATCH 2/2] arm64: dts: broadcom: amend the comment about the role of BCM2712 board DTS Date: Mon, 11 Aug 2025 16:12:35 +0200 Message-ID: <47f6368a77d6bd846c02942d20c07dd48e0ae7df.1754914766.git.andrea.porta@suse.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Current board DTS for Raspberry Pi5 states that bcm2712-rpi-5-b.dts should not be modified and all declarations should go in the overlay board DTS instead (bcm2712-rpi-5-b-ovl-rp1.dts). There's a caveat though: there's currently no infrastructure to reliably reference nodes that have not been declared yet, as is the case when loading those nodes from a runtime overlay. For more details about these limitations see [1] and follow-ups. Change the comment to make it clear which DTS file will host specific nodes, especially the RP1 related nodes which should be customized outside the overlay DTS. Link [1] - https://lore.kernel.org/all/CAMEGJJ3=3DW8_R0xBvm8r+Q7iExZx8xPBHEWWGAT= 9ngpGWDSKCaQ@mail.gmail.com/ Signed-off-by: Andrea della Porta --- arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts b/arch/arm64/= boot/dts/broadcom/bcm2712-rpi-5-b.dts index adad85e68f1b..865f092608a6 100644 --- a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts +++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts @@ -4,8 +4,14 @@ * the RP1 driver to load the RP1 dtb overlay at runtime, while * bcm2712-rpi-5-b.dts (this file) is the fully defined one (i.e. it * already contains RP1 node, so no overlay is loaded nor needed). - * This file is not intended to be modified, nodes should be added - * to the included bcm2712-rpi-5-b-ovl-rp1.dts. + * This file is intended to host the override nodes for the RP1 peripheral= s, + * e.g. to declare the phy of the ethernet interface or the custom pin set= up + * for several RP1 peripherals. + * This in turn is due to the fact that there's no current generic + * infrastructure to reference nodes (i.e. the nodes in rp1-common.dtsi) t= hat + * are not yet defined in the DT since they are loaded at runtime via over= lay. + * All other nodes that do not have anything to do with RP1 should be added + * to the included bcm2712-rpi-5-b-ovl-rp1.dts instead. */ =20 /dts-v1/; --=20 2.35.3