From nobody Sun Feb 8 04:28:27 2026 Received: from out-177.mta0.migadu.com (out-177.mta0.migadu.com [91.218.175.177]) (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 91B0719992C for ; Tue, 3 Feb 2026 00:21:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770078111; cv=none; b=Xl3r7HgBinPJ64BuJtPMD8FNKiS70XICf63bWa5p6sdNGzSH07DsJE9hHWYSKynwKRxtoCV5H0E5uJZLtPr5yBL6+WUk4+WK+18lHLZXybJR2ZHVkz/Xv8ifRW5186kdPHVPbOYxyaDQy9VLP3NuciFPUEPaW8lCasWI67+iNYU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770078111; c=relaxed/simple; bh=Qg515vPUC3kcI00i4qvUjLj97sIrt0kOOoiol4VVZXs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=EFN577ySe9cm6YNC57QZkHiAi9SBgIMgJpVNVA423GaVv1D+nEbKKTgUu2/+gc/WR7HqwKNfXcYNH5hH63zjA1h25GeCCsz/ANkuPGCEFrWWyY1izEY43pyr0RmfLl4wjf0bcfw9tEfYHb00E+NFUc274hbWCwZZ4jWdgGnGRI8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=W7r5iL5h; arc=none smtp.client-ip=91.218.175.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="W7r5iL5h" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1770078107; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cuOWsCVIuR/WP5JRTGWbVJdWhDaeD5ZnnFP7ct7wKpA=; b=W7r5iL5hkTeQqW8Tiz4WLikSlkj4xcLTE/siInq6WUpr63vnkN3X7yN6abAqkxH0s5s6Ax oGrpdEON//phRH0Qy8HTJ5YB7JGd95fAeoarSq3vpBpn/QjbLoxjZderDJpwRRB5z0nPZH m+9cFfB2Ofzw3aDCUV7etEuM9laF1T8= From: Sean Anderson To: Laurent Pinchart , Vinod Koul , linux-phy@lists.infradead.org Cc: =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Lorenzo Pieralisi , Radhey Shyam Pandey , linux-kernel@vger.kernel.org, Michal Simek , linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, Neil Armstrong , Rob Herring , Thippeswamy Havalige , Manivannan Sadhasivam , Bjorn Helgaas , Sean Anderson , Conor Dooley , Krzysztof Kozlowski , devicetree@vger.kernel.org Subject: [PATCH 1/8] dt-bindings: pci: xilinx-nwl: Add resets Date: Mon, 2 Feb 2026 19:21:21 -0500 Message-Id: <20260203002128.935842-2-sean.anderson@linux.dev> In-Reply-To: <20260203002128.935842-1-sean.anderson@linux.dev> References: <20260203002128.935842-1-sean.anderson@linux.dev> 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 X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" Add resets so we can hold the bridge in reset while we perform phy calibration. Signed-off-by: Sean Anderson --- .../devicetree/bindings/pci/xlnx,nwl-pcie.yaml | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/xlnx,nwl-pcie.yaml b/Doc= umentation/devicetree/bindings/pci/xlnx,nwl-pcie.yaml index 9de3c09efb6e..7efb3dd9955f 100644 --- a/Documentation/devicetree/bindings/pci/xlnx,nwl-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/xlnx,nwl-pcie.yaml @@ -69,6 +69,18 @@ properties: power-domains: maxItems: 1 =20 + resets: + maxItems: 3 + + reset-names: + items: + - description: APB register block reset + const: cfg + - description: AXI-PCIe bridge reset + const: bridge + - description: PCIe MAC reset + const: ctrl + iommus: maxItems: 1 =20 @@ -117,6 +129,7 @@ examples: #include #include #include + #include soc { #address-cells =3D <2>; #size-cells =3D <2>; @@ -146,6 +159,10 @@ examples: msi-parent =3D <&nwl_pcie>; phys =3D <&psgtr 0 PHY_TYPE_PCIE 0 0>; power-domains =3D <&zynqmp_firmware PD_PCIE>; + resets =3D <&zynqmp_reset ZYNQMP_RESET_PCIE_CFG>, + <&zynqmp_reset ZYNQMP_RESET_PCIE_BRIDGE>, + <&zynqmp_reset ZYNQMP_RESET_PCIE_CTRL>; + reset-names =3D "cfg", "bridge", "ctrl"; iommus =3D <&smmu 0x4d0>; pcie_intc: legacy-interrupt-controller { interrupt-controller; --=20 2.35.1.1320.gc452695387.dirty