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Thu, 7 Nov 2019 07:39:36 +0000 From: Biju Das To: Lad Prabhakar , Bjorn Helgaas , Rob Herring , Mark Rutland , Geert Uytterhoeven , Magnus Damm , Kishon Vijay Abraham I , Marek Vasut , Yoshihiro Shimoda , "linux-pci@vger.kernel.org" CC: Catalin Marinas , Will Deacon , Lorenzo Pieralisi , Arnd Bergmann , Greg Kroah-Hartman , Andrew Murray , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-renesas-soc@vger.kernel.org" , Chris Paterson , Prabhakar Mahadev Lad Subject: RE: [PATCH 3/5] PCI: rcar: Add R-Car PCIe endpoint device tree bindings Thread-Topic: [PATCH 3/5] PCI: rcar: Add R-Car PCIe endpoint device tree bindings Thread-Index: AQHVlNmPWeEtWINgRU2UgJ1FcD7vaKd/UtRw Date: Thu, 7 Nov 2019 07:39:36 +0000 Message-ID: References: <20191106193609.19645-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20191106193609.19645-4-prabhakar.mahadev-lad.rj@bp.renesas.com> In-Reply-To: <20191106193609.19645-4-prabhakar.mahadev-lad.rj@bp.renesas.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=biju.das@bp.renesas.com; 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received-spf: None (protection.outlook.com: bp.renesas.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: Lebl50PFmlsMtNf488sLqvXnXvm6ZAqyoIfDGlnvBoj3lRfS+2hFXz2bhHkA7hwkUqVIzvzqM4aAne+GLOLWcHtYcD2JXvuR4E6EdmG8XkzTOr7IH4V0NVzdQ/3VzTOKkQOdj7Q+yiVhWdmkyKx6eNMwQi5NUHkvC5Gv98T5JBLjJSv18xQAc7GbWPPUo8yHad8eFJcSBgDjdV4ffbRqCvPgPHVbCU/AtAyjIBQOk+IOWhjPfQPnvynhn3qvmGbwXusy2WmBjcU3P8B1qACBNoV7WpNi4Pid/48wTUKSChrGGh9vdJA8LB4XFK2sGdTzMyXPcWJ7Z7VVToJB6LwnzFO1EhjaDzsrImPrwaGndm8wJqUQwHVwTg3BBV+j9luF0EEh+WA6E8HDJ+5oi9MAhVnCcH0pOb0q3ZnEn1C8/qLzaztQGNiKYh7Wv8scDxEo Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: bp.renesas.com X-MS-Exchange-CrossTenant-Network-Message-Id: d441c6ad-ff2f-4f54-7892-08d76355a3ee X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Nov 2019 07:39:36.5851 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 53d82571-da19-47e4-9cb4-625a166a4a2a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: /Me6ift2cE3Zis41oSNSeijNz0oYl/ZkXs92eCJLai1pMF+5H+zWQYJyvM2YwMrV7OsAXFerI1SNrbXaEDr+cA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: OSBPR01MB4168 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Prabhakar, Thanks for the patch > Subject: [PATCH 3/5] PCI: rcar: Add R-Car PCIe endpoint device tree bindi= ngs >=20 > From: "Lad, Prabhakar" >=20 > This patch adds the bindings for the R-Car PCIe endpoint driver. >=20 > Signed-off-by: Lad, Prabhakar > --- > .../devicetree/bindings/pci/rcar-pci-ep.txt | 43 +++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pci/rcar-pci-ep.txt >=20 > diff --git a/Documentation/devicetree/bindings/pci/rcar-pci-ep.txt > b/Documentation/devicetree/bindings/pci/rcar-pci-ep.txt > new file mode 100644 > index 000000000000..b8c8616ca007 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pci/rcar-pci-ep.txt > @@ -0,0 +1,43 @@ > +* Renesas R-Car PCIe Endpoint Controller DT description > + > +Required properties: > + "renesas,pcie-ep-r8a774c0" for the R8A774C0 SoC; > + "renesas,pcie-ep-rcar-gen3" for a generic R-Car Gen3 or > + RZ/G2 compatible device. > + > + When compatible with the generic version, nodes must list the > + SoC-specific version corresponding to the platform first > + followed by the generic version. > + > +- reg: Five register ranges as listed in the reg-names property > +- reg-names: Must include the following names > + - "apb-base" > + - "memory0" > + - "memory1" > + - "memory2" > + - "memory3" > +- resets: Must contain phandles to PCIe-related reset lines exposed by I= P > block > +- clocks: from common clock binding: clock specifiers for the PCIe contr= oller > + clock. > +- clock-names: from common clock binding: should be "pcie". > + > +Optional Property: > +- max-functions: Maximum number of functions that can be configured > (default 1). > + > +Example: > + > +SoC-specific DT Entry: > + > + pcie_ep: pcie_ep@fe000000 { > + compatible =3D "renesas,pcie-r8a7791", "renesas,pcie-rcar- > gen2"; I believe it is currently tested on RZ/G2E. so please use the same. Cheers, Biju > + reg =3D <0 0xfe000000 0 0x80000>, > + <0x0 0xfe100000 0 0x100000>, > + <0x0 0xfe200000 0 0x200000>, > + <0x0 0x30000000 0 0x8000000>, > + <0x0 0x38000000 0 0x8000000>; > + reg-names =3D "apb-base", "memory0", "memory1", > "memory2", "memory3"; > + clocks =3D <&cpg CPG_MOD 319>; > + clock-names =3D "pcie"; > + power-domains =3D <&sysc R8A774C0_PD_ALWAYS_ON>; > + resets =3D <&cpg 319>; > + }; > -- > 2.20.1