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Lian" To: "Z.q. Hou" , "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" , "mark.rutland@arm.com" , "l.subrahmanya@mobiveil.co.in" , "shawnguo@kernel.org" , Leo Li , "lorenzo.pieralisi@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" CC: Mingkai Hu , Xiaowei Bao Subject: RE: [PATCHv2 22/25] dt-bindings: pci: Add NXP Layerscape SoCs PCIe Gen4 controller Thread-Topic: [PATCHv2 22/25] dt-bindings: pci: Add NXP Layerscape SoCs PCIe Gen4 controller Thread-Index: AQHUgLNPh3i36XmMUUCdDdr0q0lHU6VYh8Xw Date: Tue, 20 Nov 2018 11:31:38 +0000 Message-ID: References: <20181120092615.11680-1-Zhiqiang.Hou@nxp.com> <20181120092615.11680-23-Zhiqiang.Hou@nxp.com> In-Reply-To: <20181120092615.11680-23-Zhiqiang.Hou@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=minghuan.lian@nxp.com; x-originating-ip: [119.31.174.73] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;HE1PR0401MB2203;6:K2fn4MM4lRGl7zc6XqKe+q/OvuKFuVoX7x55wHYnU7Hy1RH9Q3X5KForeMXKVh5Zj8S8tP2xR9LyT1+DE5xJpDHfQq+rKHne+o7LDKaf/BMmfuG57wpJbvJ14KNy1LOLuOxMSBN3DivxgxJ6X0a4TMg/swV8vOhGDPAhC6TvTL0SGrTHDNjJFMNfep5MG8lAhyzmpft9OBR6oTX+dqpy52pIM74TqXuqn1OxbJJbv+wuH+uLlVdvRZe7TuxnfI+S/luwCW3AXN3qk4zuY7H841uG0VNQQvCNWCfXKE1ClJFAOVXqAii/Y6g2++uSJ21QrukAGN9P0WsaOekfFMSQqKVfzsk+9ad4KJMh6X3iY92kiIuM7YWUFjLzuGwAYMrl8aKIkDX4xeZ5ULettvkiJERrJR3dsbwNMX8TgGI4f4C6WHxoic73TJkKZwNIp3PrqClIRyQP1eUy47Y0k2XAobJ2Yvbk2g+1nzYKJecan+Q=;5:GJwz8mfHdZo0faKYtkMrlNoA0TMD0u6fI9ugtOTukvw4c4owS/hhG3npmcHUXObJpDvx0nBiygy3NanPsV+LK9P9bpwT17qPpE4hPqqYwt0X21vbqrKZc1IyKvCQwyD+m1DOQ6b+UTybdStppM/4p7fEccgVbVwrFwFW4mkwLqM=;7:B41+YB+o5lDyOyXSrsNudSyLaR6VYDJsusuwY70v89u57JY+ZELxd7s1MssQGjX+ZylL4xLi2ful2Wf3P9yALYSofGjZioNpanxAMh1kJFnPFpyGdvglsScFJ3RTmcCToU1mZ8dcuSmxFb9iBC3YuA== x-ms-exchange-antispam-srfa-diagnostics: SOS; x-ms-office365-filtering-correlation-id: 5d1551ea-0f44-40d7-a27c-08d64edbbc70 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390098)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(4618075)(2017052603328)(7153060)(7193020);SRVR:HE1PR0401MB2203; x-ms-traffictypediagnostic: HE1PR0401MB2203: x-microsoft-antispam-prvs: x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(5005006)(8121501046)(3231442)(944501410)(52105112)(10201501046)(3002001)(93006095)(93001095)(6055026)(148016)(149066)(150057)(6041310)(20161123562045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123560045)(20161123564045)(20161123558120)(201708071742011)(7699051)(76991095);SRVR:HE1PR0401MB2203;BCL:0;PCL:0;RULEID:;SRVR:HE1PR0401MB2203; x-forefront-prvs: 08626BE3A5 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(6029001)(396003)(346002)(376002)(366004)(136003)(39860400002)(189003)(199004)(13464003)(6116002)(54906003)(478600001)(97736004)(33656002)(8676002)(81156014)(81166006)(68736007)(8936002)(186003)(4326008)(110136005)(14454004)(3846002)(71190400001)(2906002)(316002)(71200400001)(25786009)(2501003)(6246003)(256004)(305945005)(76176011)(2201001)(7736002)(6436002)(6506007)(53546011)(74316002)(106356001)(105586002)(99286004)(7696005)(102836004)(476003)(486006)(9686003)(53936002)(2900100001)(26005)(229853002)(446003)(66066001)(86362001)(575784001)(11346002)(55016002)(5660300001)(7416002)(921003)(1121003);DIR:OUT;SFP:1101;SCL:1;SRVR:HE1PR0401MB2203;H:HE1PR0401MB2235.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-microsoft-antispam-message-info: fy9YSEJVOVeHbT0mbdA1DKlmsKi9i1Uk/4ahNEqX1QC2I9SFjtpnjNYKRNdBZvRDxk/EGo+CmpNiojB5rcbJNdR5rldGtANYoKihosALnftbm2VU2gG0M++PXIOkO5FTB0dbxvVGyLuQ9l6pfBdm+R+xo01q//kgSUEbf4s4ot9+55stOJv9W9i/RcCwv9agWGA+FlmbhYZRV9qjsKrORjSRPJP5mcP4gs0vz2UKREENQuxBjwRjEF+mTgBu1lrkLQhfkiKNZi1OkmzGAVLrKAaW8/u7Eo4+9OMeiN92M+JA7LeAQ0m67JuXXvVR9cWke9Frh+3Dj/iAZ4ioR7R3PoCz2uwHsc/KH/NU3qUs7mw= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5d1551ea-0f44-40d7-a27c-08d64edbbc70 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Nov 2018 11:31:38.4087 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0401MB2203 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org reviewed-by: Minghuan Lian > -----Original Message----- > From: Z.q. Hou > Sent: Tuesday, November 20, 2018 5:28 PM > 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; mark.rutland@arm.com; > l.subrahmanya@mobiveil.co.in; shawnguo@kernel.org; Leo Li > ; lorenzo.pieralisi@arm.com; > catalin.marinas@arm.com; will.deacon@arm.com > Cc: Mingkai Hu ; M.h. Lian > ; Xiaowei Bao ; Z.q. Hou > > Subject: [PATCHv2 22/25] dt-bindings: pci: Add NXP Layerscape SoCs PCIe > Gen4 controller >=20 > From: Hou Zhiqiang >=20 > Add PCIe Gen4 controller DT bindings of NXP Layerscape SoCs. >=20 > Signed-off-by: Hou Zhiqiang > --- > V2: > - Change to use the layerscape-pci.txt for PCIe Gen4 controller > dt-bindings >=20 > .../bindings/pci/layerscape-pci.txt | 57 +++++++++++++++++++ > MAINTAINERS | 8 +++ > 2 files changed, 65 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/pci/layerscape-pci.txt > b/Documentation/devicetree/bindings/pci/layerscape-pci.txt > index 66df1e81e0b8..3ef8836b6e97 100644 > --- a/Documentation/devicetree/bindings/pci/layerscape-pci.txt > +++ b/Documentation/devicetree/bindings/pci/layerscape-pci.txt > @@ -1,4 +1,6 @@ > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > Freescale Layerscape PCIe controller > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >=20 > This PCIe host controller is based on the Synopsys DesignWare PCIe IP a= nd > thus inherits all the common properties defined in designware-pcie.txt. > @@ -58,3 +60,58 @@ Example: > <0000 0 0 3 &gic GIC_SPI 190 > IRQ_TYPE_LEVEL_HIGH>, > <0000 0 0 4 &gic GIC_SPI 192 > IRQ_TYPE_LEVEL_HIGH>; > }; > + > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > +NXP Layerscape PCIe Gen4 controller > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > + > +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= . > + "config_axi_slave": PCIe controller registers > + "csr_axi_slave": Bridge config 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 =3D "fsl,lx2160a-pcie"; > + reg =3D <0x00 0x03400000 0x0 0x00100000 /* controller > registers */ > + 0x80 0x00000000 0x0 0x00001000>; /* configuration > space */ > + reg-names =3D "csr_axi_slave", "config_axi_slave"; > + interrupts =3D , /* AER > interrupt */ > + , /* PME > interrupt */ > + ; /* > controller interrupt */ > + interrupt-names =3D "aer", "pme", "intr"; > + #address-cells =3D <3>; > + #size-cells =3D <2>; > + device_type =3D "pci"; > + apio-wins =3D <8>; > + ppio-wins =3D <8>; > + dma-coherent; > + bus-range =3D <0x0 0xff>; > + msi-parent =3D <&its>; > + ranges =3D <0x82000000 0x0 0x40000000 0x80 0x40000000 0x0 > 0x40000000>; > + #interrupt-cells =3D <1>; > + interrupt-map-mask =3D <0 0 0 7>; > + interrupt-map =3D <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 084d225583e0..b59763e23392 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -11405,6 +11405,14 @@ L: linux-arm-kernel@lists.infradead.org > S: Maintained > F: drivers/pci/controller/dwc/*layerscape* >=20 > +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-pci.txt > +F: drivers/pci/controller/mobibeil/pci-layerscape-gen4.c > + > PCI DRIVER FOR GENERIC OF HOSTS > M: Will Deacon > L: linux-pci@vger.kernel.org > -- > 2.17.1