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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: [PATCHv7 3/7] dt-bindings: PCI: Add NXP Layerscape SoCs PCIe Gen4 controller Thread-Topic: [PATCHv7 3/7] dt-bindings: PCI: Add NXP Layerscape SoCs PCIe Gen4 controller Thread-Index: AQHVKzWtQ7ZuF/N9a0ytONyAp9FOZA== Date: Tue, 25 Jun 2019 09:09:21 +0000 Message-ID: <20190625091039.18933-4-Zhiqiang.Hou@nxp.com> References: <20190625091039.18933-1-Zhiqiang.Hou@nxp.com> In-Reply-To: <20190625091039.18933-1-Zhiqiang.Hou@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HK0PR03CA0116.apcprd03.prod.outlook.com (2603:1096:203:b0::32) 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: d754a4f5-f1eb-45ca-7194-08d6f94ccf41 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:DB8PR04MB6746; x-ms-traffictypediagnostic: DB8PR04MB6746: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6430; x-forefront-prvs: 0079056367 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(6029001)(376002)(136003)(39860400002)(396003)(366004)(346002)(189003)(199004)(4326008)(386003)(446003)(26005)(102836004)(3846002)(478600001)(71190400001)(186003)(11346002)(71200400001)(7416002)(6116002)(25786009)(66946007)(50226002)(110136005)(8936002)(54906003)(81166006)(8676002)(305945005)(81156014)(316002)(2201001)(5660300002)(66556008)(7736002)(66476007)(66446008)(64756008)(1076003)(66066001)(486006)(2616005)(2501003)(73956011)(68736007)(6436002)(6486002)(256004)(6512007)(86362001)(6506007)(53936002)(36756003)(14454004)(99286004)(2906002)(52116002)(476003)(76176011)(921003)(1121003); DIR:OUT; SFP:1101; SCL:1; SRVR:DB8PR04MB6746; 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: oIpx0KIMHfqib4K8CZ5TFkLncCCce4LwJ6KNKwIFG6wqw53TNdDuBqqCeDFZmUmTxSsIPU41CLtJILx6tnK5QaVxUFfkfEg8OD6j3HAm4Om2rDpVnY9uJcsP5yiBtn8I9/7g/PcpfWXj59xL7Vg1yaPxYOX2ZsH7HmY3YJhVzbQH8ZcxiFRkW46XGO5CpcsBADeXUlqAXEqVdBc96UxL0oMcyr3PnHRFPoyvO1UOlODk+7ORuda3hMQVXu3AvDrgMNwG++DjbAp7ApyX2258YWsbdRePu3gVMlZmtNfkUfXiS8cM1QYC4uvUcc6PmhArQf///fgdngLkHKkcZDojcqUrjF8Opbt3sYY97KJN7q8ciN77jYPSSSxmYwgIJPRJOoWfvgmohkngDtHKZysrZaeCmL4JfeDmzrCukVHSGAo= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: d754a4f5-f1eb-45ca-7194-08d6f94ccf41 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Jun 2019 09:09:21.5334 (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: zhiqiang.hou@nxp.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB6746 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190625_020925_053550_EC772E3B X-CRM114-Status: GOOD ( 15.06 ) 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 --- V7: - 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 2c1cc66d61a9..030a9f31dadb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12098,6 +12098,14 @@ 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