From patchwork Fri Feb 7 21:30:23 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?J=2E_Neusch=C3=A4fer_via_B4_Relay?= X-Patchwork-Id: 863247 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 523F31D0F5A; Fri, 7 Feb 2025 21:30:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738963836; cv=none; b=ZEiRbdbOF0HrcMqmHS9BWB6nq0XE7ECdOM58pMjPX/adI3SmbrBSw7Z6iy4Z72h6gMslOGkTFr1cp/fKAU0f+6eqGSaYkfQtCOudOH3WJyq1wPAbp6JCDNZX1d24za0vgkpROT35228y4Gk9CO1VuXx+I+od60i21h186qmaHA8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738963836; c=relaxed/simple; bh=fqvAh3iKxOl03ArBCkYTvP/GeGQRKw1fc2EwMT7Iylc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=eL96fDy1DESYccwdc7KMbdZt/t4nfjZAtuEM1DJS5YiRa56nTcFhHV+RI1d7WKC9k1hFM8H5fzwZAnuwLRnZ+4TmMccyHp8L4vzCV3aDY8XDgh+bzXzpSujeVBJlA7k2WURpcj0PnM0/J0Cndgx9CfFUzZ+k3qOzRWd/q/adC/I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=P7kYzEbF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="P7kYzEbF" Received: by smtp.kernel.org (Postfix) with ESMTPS id AE809C116B1; Fri, 7 Feb 2025 21:30:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738963835; bh=fqvAh3iKxOl03ArBCkYTvP/GeGQRKw1fc2EwMT7Iylc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=P7kYzEbFv5XvnqA9e0Aw2hN/mJRZM27jQPH1NC1dLXOY023QXk/rORY52thAt4Mdz IETcYpeRUiFbFi5nhNx5iYFzW6OsssSlEVnUg8NOz6WheSOyOrSQH4fRPJgwKwW/nJ GUnAOxEjOCkKarOkpR4/dMMD9MKp/kyyu15l201GH1QFIgYUSLUeCuylliv+tyBS76 PZ3bBRkl3Jlf0aq/SQ22KHDfHe+UFncODbI+oH+5KAH+98cKh8mAVq9OAWv0I8QQuM 6d0sdji7khwUHKrFpdHXbdH+OXkYla7EFI9+U0yF4/dv1NRZ7/g9q/udgu16gysYi+ 567gwgWihYFdQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 908A2C0219D; Fri, 7 Feb 2025 21:30:35 +0000 (UTC) From: =?utf-8?q?J=2E_Neusch=C3=A4fer_via_B4_Relay?= Date: Fri, 07 Feb 2025 22:30:23 +0100 Subject: [PATCH v2 06/12] dt-bindings: pci: Convert fsl,mpc83xx-pcie to YAML Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250207-ppcyaml-v2-6-8137b0c42526@posteo.net> References: <20250207-ppcyaml-v2-0-8137b0c42526@posteo.net> In-Reply-To: <20250207-ppcyaml-v2-0-8137b0c42526@posteo.net> To: devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Krzysztof Kozlowski Cc: imx@lists.linux.dev, Scott Wood , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Damien Le Moal , Niklas Cassel , Herbert Xu , "David S. Miller" , Lee Jones , Vinod Koul , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Manivannan Sadhasivam , Bjorn Helgaas , =?utf-8?q?J=2E_Neusch=C3=A4fer?= , Wim Van Sebroeck , Guenter Roeck , Mark Brown , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-crypto@vger.kernel.org, dmaengine@vger.kernel.org, linux-pci@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org, =?utf-8?q?J=2E_N?= =?utf-8?q?eusch=C3=A4fer?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1738963832; l=5802; i=j.ne@posteo.net; s=20240329; h=from:subject:message-id; bh=jBiH9+MQmhRrwEmLTkNNDzkIkSq8VyyQ3zetJ06KX9U=; b=sEBW0totelYgL1en7cVmNkknyNI5Sj/Sspm1mJTetH6lj+iSulPd72CfWDp7mXxTwMSsXTvC8 CcPFFfl4jGrD9Ji4ICjmccGslMxPc79Ljlsx1zaFK/lzwD1MvefNj68 X-Developer-Key: i=j.ne@posteo.net; a=ed25519; pk=NIe0bK42wNaX/C4bi6ezm7NJK0IQE+8MKBm7igFMIS4= X-Endpoint-Received: by B4 Relay for j.ne@posteo.net/20240329 with auth_id=156 X-Original-From: =?utf-8?q?J=2E_Neusch=C3=A4fer?= Reply-To: j.ne@posteo.net From: "J. Neuschäfer" Formalise the binding for the PCI controllers in the Freescale MPC8xxx chip family. Information about PCI-X-specific properties was taken from fsl,pci.txt. The examples were taken from mpc8315erdb.dts and xpedite5200_xmon.dts. Signed-off-by: J. Neuschäfer --- V2: - merge fsl,pci.txt into fsl,mpc8xxx-pci.yaml - regroup compatible strings, list single-item values in one enum - trim subject line (remove "binding") - fix property order to comply with dts coding style --- .../devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml | 115 +++++++++++++++++++++ Documentation/devicetree/bindings/pci/fsl,pci.txt | 27 ----- 2 files changed, 115 insertions(+), 27 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml b/Documentation/devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml new file mode 100644 index 0000000000000000000000000000000000000000..57c5503cec47e6e90ed2b09835bfad10309db927 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml @@ -0,0 +1,115 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/pci/fsl,mpc8xxx-pci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale MPC83xx PCI/PCI-X/PCIe controllers + +description: | + Binding for the PCI/PCI-X/PCIe host bridges on MPC8xxx SoCs. + See also: Documentation/devicetree/bindings/pci/fsl,pci.txt + +maintainers: + - J. Neuschäfer + +allOf: + - $ref: /schemas/pci/pci-host-bridge.yaml# + +properties: + compatible: + oneOf: + - enum: + - fsl,mpc8314-pcie + - fsl,mpc8349-pci + - fsl,mpc8540-pci + - fsl,mpc8548-pcie + - fsl,mpc8641-pcie + - items: + - enum: + - fsl,mpc8308-pcie + - fsl,mpc8315-pcie + - fsl,mpc8377-pcie + - fsl,mpc8378-pcie + - const: fsl,mpc8314-pcie + - items: + - const: fsl,mpc8360-pci + - const: fsl,mpc8349-pci + - items: + - const: fsl,mpc8540-pcix + - const: fsl,mpc8540-pci + + reg: + minItems: 1 + items: + - description: internal registers + - description: config space access registers + + clock-frequency: true + + interrupts: + items: + - description: Consolidated PCI interrupt + + fsl,pci-agent-force-enum: + type: boolean + description: + Typically any Freescale PCI-X bridge hardware strapped into Agent mode is + prevented from enumerating the bus. The PrPMC form-factor requires all + mezzanines to be PCI-X Agents, but one per system may still enumerate the + bus. + + This property allows a PCI-X bridge to be used for bus enumeration + despite being strapped into Agent mode. + +required: + - reg + - compatible + +unevaluatedProperties: false + +examples: + - | + #include + + pcie@e0009000 { + compatible = "fsl,mpc8315-pcie", "fsl,mpc8314-pcie"; + reg = <0xe0009000 0x00001000>; + ranges = <0x02000000 0 0xa0000000 0xa0000000 0 0x10000000 + 0x01000000 0 0x00000000 0xb1000000 0 0x00800000>; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + device_type = "pci"; + bus-range = <0 255>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = <0 0 0 1 &ipic 1 IRQ_TYPE_LEVEL_LOW + 0 0 0 2 &ipic 1 IRQ_TYPE_LEVEL_LOW + 0 0 0 3 &ipic 1 IRQ_TYPE_LEVEL_LOW + 0 0 0 4 &ipic 1 IRQ_TYPE_LEVEL_LOW>; + clock-frequency = <0>; + }; + + - | + pci@ef008000 { + compatible = "fsl,mpc8540-pcix", "fsl,mpc8540-pci"; + reg = <0xef008000 0x1000>; + ranges = <0x02000000 0 0x80000000 0x80000000 0 0x20000000 + 0x01000000 0 0x00000000 0xd0000000 0 0x01000000>; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + clock-frequency = <33333333>; + interrupt-map-mask = <0xf800 0x0 0x0 0x7>; + interrupt-map = ; + interrupts-extended = <&mpic 24 2>; + bus-range = <0 0>; + fsl,pci-agent-force-enum; + }; + + +... diff --git a/Documentation/devicetree/bindings/pci/fsl,pci.txt b/Documentation/devicetree/bindings/pci/fsl,pci.txt deleted file mode 100644 index d8ac4a768e7e65b465f83308cc918ec471309dcf..0000000000000000000000000000000000000000 --- a/Documentation/devicetree/bindings/pci/fsl,pci.txt +++ /dev/null @@ -1,27 +0,0 @@ -* Bus Enumeration by Freescale PCI-X Agent - -Typically any Freescale PCI-X bridge hardware strapped into Agent mode -is prevented from enumerating the bus. The PrPMC form-factor requires -all mezzanines to be PCI-X Agents, but one per system may still -enumerate the bus. - -The property defined below will allow a PCI-X bridge to be used for bus -enumeration despite being strapped into Agent mode. - -Required properties: -- fsl,pci-agent-force-enum : There is no value associated with this - property. The property itself is treated as a boolean. - -Example: - - /* PCI-X bridge known to be PrPMC Monarch */ - pci0: pci@ef008000 { - fsl,pci-agent-force-enum; - #interrupt-cells = <1>; - #size-cells = <2>; - #address-cells = <3>; - compatible = "fsl,mpc8540-pcix", "fsl,mpc8540-pci"; - device_type = "pci"; - ... - ... - };