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Hou" To: "linux-pci@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "bhelgaas@google.com" , "robh+dt@kernel.org" , "arnd@arndb.de" , "mark.rutland@arm.com" , "l.subrahmanya@mobiveil.co.in" , "shawnguo@kernel.org" , "m.karthikeyan@mobiveil.co.in" , Leo Li , "lorenzo.pieralisi@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" Subject: [PATCHv8 3/7] dt-bindings: PCI: Add NXP Layerscape SoCs PCIe Gen4 controller Thread-Topic: [PATCHv8 3/7] dt-bindings: PCI: Add NXP Layerscape SoCs PCIe Gen4 controller Thread-Index: AQHVUcbW7ucpasppU0mitU96n3BoYQ== Date: Tue, 13 Aug 2019 11:04:11 +0000 Message-ID: <20190813110557.45643-4-Zhiqiang.Hou@nxp.com> References: <20190813110557.45643-1-Zhiqiang.Hou@nxp.com> In-Reply-To: <20190813110557.45643-1-Zhiqiang.Hou@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HK2PR02CA0199.apcprd02.prod.outlook.com (2603:1096:201:20::11) To DB8PR04MB6747.eurprd04.prod.outlook.com (2603:10a6:10:10b::31) authentication-results: spf=none (sender IP is ) smtp.mailfrom=zhiqiang.hou@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-originating-ip: [119.31.174.73] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 14b31831-1f45-4eed-49db-08d71fddf89e x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020); SRVR:DB8PR04MB7035; x-ms-traffictypediagnostic: DB8PR04MB7035: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6430; x-forefront-prvs: 01283822F8 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(6029001)(4636009)(39860400002)(346002)(376002)(396003)(136003)(366004)(189003)(199004)(256004)(66066001)(50226002)(316002)(4326008)(66556008)(66946007)(1076003)(186003)(64756008)(66476007)(386003)(71190400001)(6486002)(6506007)(26005)(7736002)(71200400001)(110136005)(486006)(305945005)(2501003)(53936002)(54906003)(52116002)(81166006)(6116002)(7416002)(3846002)(25786009)(478600001)(102836004)(36756003)(66446008)(76176011)(5660300002)(14454004)(6512007)(81156014)(446003)(99286004)(11346002)(8936002)(86362001)(2906002)(6436002)(2616005)(2201001)(8676002)(476003)(921003)(1121003); DIR:OUT; SFP:1101; SCL:1; SRVR:DB8PR04MB7035; H:DB8PR04MB6747.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: viV1P0rAI+kn2V2PlP1ygxfFfc55uve9EvGeTIIxU9ujEzcGesRCURZQ/0is+LFqth+9ATTH20GN4ipWsDjGMMJpwMO3CTM19yCMOSkfu9tOOA7+WF2gWEPqAzOIjsPSPSe/Mhi7fZDgmIIhvk5aF6iI93IDaM9CRuw4Y9LgEDQ67/15fWjJY/aggyU1ItGJlr4FJ2wsGwkphPxM/2PagfjdUgtXXjHchr3atHJYA/x7KqRKljp1esxExn33PfuXkNGgFxznLmsL4aiMg/pHsKZRZNWdoQmdoSmTNnAV9pscBaDCXgZqI+SXWuaFjBJt+1XYpeusfbhkL8nhATGTr2f8PBI9EiJnZgRJqiVkaj8YxLHfRe6oyoCJEzEDjGKr4/gS8sUOt42gImnxw5RdPTaAwUz18pZ38gJrN3qfppI= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 14b31831-1f45-4eed-49db-08d71fddf89e X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Aug 2019 11:04:11.9119 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Z1FtEZKwjW5nhPcbQiF/aqxjPmg0+zSGfPgGNnPfdw/BR26YsHlSOttlr3+RfLMoV4nfkOCB3fLeoSY3Crz+fA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB7035 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190813_040416_373535_36EBAD79 X-CRM114-Status: GOOD ( 13.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "M.h. Lian" , "Z.q. Hou" , Xiaowei Bao , Mingkai Hu Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Hou Zhiqiang Add PCIe Gen4 controller DT bindings of NXP Layerscape SoCs. Signed-off-by: Hou Zhiqiang Reviewed-by: Rob Herring --- V8: - No change. .../bindings/pci/layerscape-pcie-gen4.txt | 52 +++++++++++++++++++ MAINTAINERS | 8 +++ 2 files changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt diff --git a/Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt b/Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt new file mode 100644 index 000000000000..b40fb5d15d3d --- /dev/null +++ b/Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt @@ -0,0 +1,52 @@ +NXP Layerscape PCIe Gen4 controller + +This PCIe controller is based on the Mobiveil PCIe IP and thus inherits all +the common properties defined in mobiveil-pcie.txt. + +Required properties: +- compatible: should contain the platform identifier such as: + "fsl,lx2160a-pcie" +- reg: base addresses and lengths of the PCIe controller register blocks. + "csr_axi_slave": Bridge config registers + "config_axi_slave": PCIe controller registers +- interrupts: A list of interrupt outputs of the controller. Must contain an + entry for each entry in the interrupt-names property. +- interrupt-names: It could include the following entries: + "intr": The interrupt that is asserted for controller interrupts + "aer": Asserted for aer interrupt when chip support the aer interrupt with + none MSI/MSI-X/INTx mode,but there is interrupt line for aer. + "pme": Asserted for pme interrupt when chip support the pme interrupt with + none MSI/MSI-X/INTx mode,but there is interrupt line for pme. +- dma-coherent: Indicates that the hardware IP block can ensure the coherency + of the data transferred from/to the IP block. This can avoid the software + cache flush/invalid actions, and improve the performance significantly. +- msi-parent : See the generic MSI binding described in + Documentation/devicetree/bindings/interrupt-controller/msi.txt. + +Example: + + pcie@3400000 { + compatible = "fsl,lx2160a-pcie"; + reg = <0x00 0x03400000 0x0 0x00100000 /* controller registers */ + 0x80 0x00000000 0x0 0x00001000>; /* configuration space */ + reg-names = "csr_axi_slave", "config_axi_slave"; + interrupts = , /* AER interrupt */ + , /* PME interrupt */ + ; /* controller interrupt */ + interrupt-names = "aer", "pme", "intr"; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + apio-wins = <8>; + ppio-wins = <8>; + dma-coherent; + bus-range = <0x0 0xff>; + msi-parent = <&its>; + ranges = <0x82000000 0x0 0x40000000 0x80 0x40000000 0x0 0x40000000>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 2 &gic 0 0 GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 3 &gic 0 0 GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 4 &gic 0 0 GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 0d88e0d3960b..f9c1153ef60a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12324,6 +12324,14 @@ L: linux-arm-kernel@lists.infradead.org S: Maintained F: drivers/pci/controller/dwc/*layerscape* +PCI DRIVER FOR NXP LAYERSCAPE GEN4 CONTROLLER +M: Hou Zhiqiang +L: linux-pci@vger.kernel.org +L: linux-arm-kernel@lists.infradead.org +S: Maintained +F: Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt +F: drivers/pci/controller/mobibeil/pcie-layerscape-gen4.c + PCI DRIVER FOR GENERIC OF HOSTS M: Will Deacon L: linux-pci@vger.kernel.org