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Tue, 28 Jul 2015 10:46:13 +0000 Received: from sj-mail01.altera.com (137.57.1.6) by webmail.altera.com (66.35.236.227) with Microsoft SMTP Server (TLS) id 14.3.174.1; Tue, 28 Jul 2015 03:44:55 -0700 Received: from leyfoon-vm (pg-lftan-l.altera.com [137.57.103.123]) by sj-mail01.altera.com (8.13.7+Sun/8.13.7) with SMTP id t6SAk6ij011072; Tue, 28 Jul 2015 03:46:07 -0700 (PDT) Received: by leyfoon-vm (sSMTP sendmail emulation); Tue, 28 Jul 2015 18:46:14 +0800 From: Ley Foon Tan To: Bjorn Helgaas , Russell King , Arnd Bergmann , Dinh Nguyen Subject: [PATCH 5/6] Documentation: dt-bindings: pci: altera pcie device tree binding Date: Tue, 28 Jul 2015 18:45:44 +0800 Message-ID: <1438080345-7233-6-git-send-email-lftan@altera.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1438080345-7233-1-git-send-email-lftan@altera.com> References: <1438080345-7233-1-git-send-email-lftan@altera.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1; BN1AFFO11FD019; 1:ZZM0i+ysKpeNMUXNlIS7uVDbngM8Wk/Ke4bk1H4OyXDPPfSVkRU3kfUAYPHWGTlK2EThqpAstaBLhdKmSew1Bhg0e7yytQqXfK7ggKrdldtPE8Sn+J36pyfx/Ov/eE5VyvEncRxgQ0dyCCVZoPrB1SUxXbmd18f5e5VJbX9izmoHeY7EQvaM9mssbwO40+67AHpLZXOldySxHi257qSKVwH1peBBirlcRwARsvdML3pILkltHGYW7SLzhKdZ792LkKAJef7BuiRNGAFhqKDF/W1VnqC7RjpyJOrZtNrTlNlFRpXZGPYz8MBjXBF7QHcq X-Forefront-Antispam-Report: CIP:66.35.236.227; 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BN3PR03MB1493; 5:b/xnpRz6g9xdcYITVZCXOB0ZBth4GdZKyGg4vjtjgFbAXvr+h0NUyilqWD/N+qGYzHrCcSh/NF8gqdYnfTrVuXgykQ7BfDHOy2p3zLrhRG7zFrcS2FYGxUAP5U1O7nHSDOKMOkYHWdVL3eR/ia8cEA==; 24:4MVGcYEo7AJh5JTXFtEMrG4DAW8MToGg7fn99FlqA07T06mwIB9G/UsgRS38TvjCp5YV9P4VJFbv4nj2F5pJG+yXMWXZPpb21jKSiBqL8Rw=; 20:UK6sEDh5M8wojJSbkCTAo2NbAFxjFkKtmeTmuVwgsO6UnlGrdE+BYNa8YkiS2zhaiJV4OpRfOQHHf/E0deCK4kCnNpzMi5xT2U4x2aKC4RiLUgoa1szATy+oZ77ULfX6ECbAKyIREPrFX1eFCSQ1UtXn8oxrvuk4cbMW3dJFlSI= X-OriginatorOrg: altera.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jul 2015 10:46:13.7412 (UTC) X-MS-Exchange-CrossTenant-Id: fbd72e03-d4a5-4110-adce-614d51f2077a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=fbd72e03-d4a5-4110-adce-614d51f2077a; Ip=[66.35.236.227]; Helo=[sj-itexedge03.altera.priv.altera.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR03MB1493 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150728_034638_059261_7BCEB621 X-CRM114-Status: GOOD ( 11.69 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, lftan.linux@gmail.com, linux-doc@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Ley Foon Tan , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the bindings for Altera PCIe host controller driver and Altera PCIe MSI driver. Signed-off-by: Ley Foon Tan --- .../devicetree/bindings/pci/altera-pcie-msi.txt | 27 ++++++++++++ .../devicetree/bindings/pci/altera-pcie.txt | 49 ++++++++++++++++++++++ 2 files changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie-msi.txt create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie.txt diff --git a/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt b/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt new file mode 100644 index 0000000..7f330c9 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/altera-pcie-msi.txt @@ -0,0 +1,27 @@ +* Altera PCIe MSI controller + +Required properties: +- compatible: should contain "altr,msi-1.0" +- reg: specifies the physical base address of the controller and + the length of the memory mapped region. +- reg-names: Must include the following entries: + "csr": CSR registers + "vector_slave": vectors region +-interrupts: specifies the interrupt source of the parent interrupt + controller. The format of the interrupt specifier depends on the + parent interrupt controller. +- num-vectors: Number of vectors, range 1 to 32. +- msi-controller: indicates that this is MSI controller node + + +Example +msi0: msi@0xFF200000 { + compatible = "altr,msi-1.0"; + reg = <0xFF200000 0x00000010 + 0xFF200010 0x00000080>; + reg-names = "csr", "vector_slave"; + interrupt-parent = <&hps_0_arm_gic_0>; + interrupts = <0 42 4>; + msi-controller = <1>; + num-vectors = <32>; +}; diff --git a/Documentation/devicetree/bindings/pci/altera-pcie.txt b/Documentation/devicetree/bindings/pci/altera-pcie.txt new file mode 100644 index 0000000..54c45f5 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/altera-pcie.txt @@ -0,0 +1,49 @@ +* Altera PCIe controller + +Required properties: +- compatible : should contain "altr,pcie-root-port-1.0" +- reg: A list of physical base address and length for TXS and CRA. +- reg-names: Must include the following entries: + "Txs": TXS region + "Cra": Control register access region +-interrupts: specifies the interrupt source of the parent interrupt controller. + The format of the interrupt specifier depends on the parent interrupt + controller. +- device_type: must be "pci" +- #address-cells: set to <3> +- #size-cells: set to <2> +- #interrupt-cells: set to <1> +- ranges: Describes the translation of addresses for root ports and standard + PCI regions. +- interrupt-map-mask and interrupt-map: standard PCI properties + to define the mapping of the PCIe interface to interrupt + numbers. + +Optional properties: +- msi-parent: Link to the hardware entity that serves as the MSI controller for this PCIe + controller. +- bus-range: PCI bus numbers covered + +Example + pcie_0: pcie@0xc00000000 { + compatible = "altr,pcie-root-port-1.0"; + reg = <0xc0000000 0x20000000>, + <0xff220000 0x00004000>; + reg-names = "Txs", "Cra"; + interrupt-parent = <&hps_0_arm_gic_0>; + interrupts = <0 40 4>; + interrupt-controller; + #interrupt-cells = <1>; + bus-range = <0x0 0xFF>; + device_type = "pci"; + msi-parent = <&msi_to_gic_gen_0>; + #address-cells = <3>; + #size-cells = <2>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &pcie_0 1>, + <0 0 0 2 &pcie_0 2>, + <0 0 0 3 &pcie_0 3>, + <0 0 0 4 &pcie_0 4>; + ranges = <0x82000000 0x00000000 0xc0000000 0xc0000000 0x00000000 0x10000000 + 0x82000000 0x00000000 0xd0000000 0xd0000000 0x00000000 0x10000000>; + };