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Sat, 14 Aug 2021 02:50:23 +0000 Received: from MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::e81f:cf8e:6ad6:d24d]) by MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::e81f:cf8e:6ad6:d24d%3]) with mapi id 15.20.4415.019; Sat, 14 Aug 2021 02:50:23 +0000 From: Colin Foster To: colin.foster@in-advantage.com, andrew@lunn.ch, vivien.didelot@gmail.com, f.fainelli@gmail.com, olteanv@gmail.com, davem@davemloft.net, kuba@kernel.org, robh+dt@kernel.org, claudiu.manoil@nxp.com, alexandre.belloni@bootlin.com, UNGLinuxDriver@microchip.com, hkallweit1@gmail.com, linux@armlinux.org.uk Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v3 net-next 10/10] docs: devicetree: add documentation for the VSC7512 SPI device Date: Fri, 13 Aug 2021 19:50:03 -0700 Message-Id: <20210814025003.2449143-11-colin.foster@in-advantage.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210814025003.2449143-1-colin.foster@in-advantage.com> References: <20210814025003.2449143-1-colin.foster@in-advantage.com> X-ClientProxiedBy: MW4P221CA0007.NAMP221.PROD.OUTLOOK.COM (2603:10b6:303:8b::12) To MWHPR1001MB2351.namprd10.prod.outlook.com (2603:10b6:301:35::37) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (67.185.175.147) by MW4P221CA0007.NAMP221.PROD.OUTLOOK.COM (2603:10b6:303:8b::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4415.14 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: in-advantage.com X-MS-Exchange-CrossTenant-Network-Message-Id: 154a79ee-fb31-41c0-802c-08d95ece428e X-MS-Exchange-CrossTenant-AuthSource: MWHPR1001MB2351.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Aug 2021 02:50:22.5163 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 48e842ca-fbd8-4633-a79d-0c955a7d3aae X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 0kI4dI+2aHDloKhYGdxtRgZpZfHtUiGVJUk/cRliXTYPjidF82URNRg23QHXSh1+DNrD0Y5giweRT8O2P4ZJl+OpTP0S/a0D9A6k0Gdo79U= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR10MB2030 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC Signed-off-by: Colin Foster --- .../devicetree/bindings/net/dsa/ocelot.txt | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) diff --git a/Documentation/devicetree/bindings/net/dsa/ocelot.txt b/Documentation/devicetree/bindings/net/dsa/ocelot.txt index 7a271d070b72..edf560a50803 100644 --- a/Documentation/devicetree/bindings/net/dsa/ocelot.txt +++ b/Documentation/devicetree/bindings/net/dsa/ocelot.txt @@ -8,6 +8,7 @@ Currently the switches supported by the felix driver are: - VSC9959 (Felix) - VSC9953 (Seville) +- VSC7511, VSC7512, VSC7513, VSC7514 via SPI The VSC9959 switch is found in the NXP LS1028A. It is a PCI device, part of the larger ENETC root complex. As a result, the ethernet-switch node is a sub-node @@ -211,3 +212,94 @@ Example: }; }; }; + +The VSC7513 and VSC7514 switches can be controlled internally via the MIPS +processor. The VSC7511 and VSC7512 don't have this internal processor, but all +four chips can be controlled externally through SPI with the following required +properties: + +- compatible: + Can be "mscc,vsc7511", "mscc,vsc7512", "mscc,vsc7513", or + "mscc,vsc7514". + +Supported phy modes for all chips are: + +* phy_mode = "sgmii": on ports 0, 1, 2, 3 + +The VSC7512 and 7514 also support: + +* phy_mode = "sgmii": on ports 4, 5, 6, 7 +* phy_mode = "qsgmii": on ports 7, 8, 10 + +Example for control from a BeagleBone Black + +&spi0 { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-switch@0 { + compatible = "mscc,vsc7512"; + spi-max-frequency = <250000>; + reg = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + ethernet = <&mac>; + phy-mode = "sgmii"; + + fixed-link { + speed = <100>; + full-duplex; + }; + }; + + port@1 { + reg = <1>; + label = "swp1"; + phy-handle = <&sw_phy1>; + phy-mode = "sgmii"; + }; + + port@2 { + reg = <2>; + label = "swp2"; + phy-handle = <&sw_phy2>; + phy-mode = "sgmii"; + }; + + port@3 { + reg = <3>; + label = "swp3"; + phy-handle = <&sw_phy3>; + phy-mode = "sgmii"; + }; + }; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + sw_phy1: ethernet-phy@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x1>; + }; + + sw_phy2: ethernet-phy@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x2>; + }; + + sw_phy3: ethernet-phy@3 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x3>; + }; + }; + }; +};