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Miller" , Jakub Kicinski , Jiri Pirko , Ido Schimmel , Andrew Lunn , Oleksandr Mazur , Serhiy Boiko , Serhiy Pshyk , Volodymyr Mytnyk , Taras Chornyi , Andrii Savka , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andy Shevchenko , Mickey Rachamim , Vadym Kochan Subject: [net-next v8 6/6] dt-bindings: marvell,prestera: Add description for device-tree bindings Date: Thu, 10 Sep 2020 18:00:55 +0300 Message-Id: <20200910150055.15598-7-vadym.kochan@plvision.eu> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200910150055.15598-1-vadym.kochan@plvision.eu> References: <20200910150055.15598-1-vadym.kochan@plvision.eu> X-ClientProxiedBy: BE0P281CA0009.DEUP281.PROD.OUTLOOK.COM (2603:10a6:b10:a::19) To HE1P190MB0539.EURP190.PROD.OUTLOOK.COM (2603:10a6:7:56::28) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pc60716vkochan.x.ow.s (217.20.186.93) by BE0P281CA0009.DEUP281.PROD.OUTLOOK.COM (2603:10a6:b10:a::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3370.10 via Frontend Transport; Thu, 10 Sep 2020 15:01:24 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [217.20.186.93] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3c48ebea-ecfa-45b2-b60b-08d8559a6389 X-MS-TrafficTypeDiagnostic: HE1P190MB0459: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6790; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: haBAvJ0it3u0Qujw43GjQBSdFiV8uALErBvD9wkgNyqrFQwIpm14/tnHqnZFffxkEHm16CoidzbCJ/Zdf9nKNdYmecBQPcx9xspLaqkIDPhlC7LkcgmUpMKvdOg37a0fMAwhakk8miPjw8OQz/65vxzmNNu3Vq9jsjbYc8lhZkQNk/NVCZ0xMRTaBsrG3CPKgyslnOG710p2tnHcalv2ym+0rshA98xJ+mhGAUeWxFFkk/3aig8yeIBCF5NO0I71MvVk3QSEAiMozb55ix/gFs4cD676nFOciNleeWi61GJIYVJO3WsoVQh+5zEqNkYnk0h2ijxrU+qv0rQ1JsIJXe4gt8Xgwyhhi+CKgMbEe0cQNhN3QgdJDz3WiTGYTt+25Kw5W0NvluEkC1bj0e94sA== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:HE1P190MB0539.EURP190.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(136003)(39830400003)(396003)(346002)(366004)(376002)(26005)(2906002)(8936002)(110136005)(186003)(16526019)(8676002)(2616005)(83380400001)(44832011)(4326008)(66556008)(66946007)(54906003)(66476007)(1076003)(6506007)(5660300002)(6666004)(107886003)(956004)(6486002)(478600001)(86362001)(316002)(6512007)(36756003)(52116002)(142933001)(921003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: plvision.eu X-MS-Exchange-CrossTenant-Network-Message-Id: 3c48ebea-ecfa-45b2-b60b-08d8559a6389 X-MS-Exchange-CrossTenant-AuthSource: HE1P190MB0539.EURP190.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Sep 2020 15:01:25.8287 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 03707b74-30f3-46b6-a0e0-ff0a7438c9c4 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: JZC1W7zyoXsAAzA4+q1kQrPOa/Ut2YGlqZLk9IwXRstDWgrWDbtUNer6jinVbq2SUeOGaRjabZ2hX+FE1GBcKU3fVy63RBNCO1yJNUEvL2w= X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1P190MB0459 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add brief description how to configure base mac address binding in device-tree. Describe requirement for the PCI port which is connected to the ASIC, to allow access to the firmware related registers. Signed-off-by: Vadym Kochan --- .../bindings/net/marvell,prestera.txt | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/Documentation/devicetree/bindings/net/marvell,prestera.txt b/Documentation/devicetree/bindings/net/marvell,prestera.txt index 83370ebf5b89..e28938ddfdf5 100644 --- a/Documentation/devicetree/bindings/net/marvell,prestera.txt +++ b/Documentation/devicetree/bindings/net/marvell,prestera.txt @@ -45,3 +45,37 @@ dfx-server { ranges = <0 MBUS_ID(0x08, 0x00) 0 0x100000>; reg = ; }; + +Marvell Prestera SwitchDev bindings +----------------------------------- +Optional properties: +- compatible: must be "marvell,prestera" +- base-mac-provider: describes handle to node which provides base mac address, + might be a static base mac address or nvme cell provider. + +Example: + +eeprom_mac_addr: eeprom-mac-addr { + compatible = "eeprom,mac-addr-cell"; + status = "okay"; + + nvmem = <&eeprom_at24>; +}; + +prestera { + compatible = "marvell,prestera"; + status = "okay"; + + base-mac-provider = <&eeprom_mac_addr>; +}; + +The current implementation of Prestera Switchdev PCI interface driver requires +that BAR2 is assigned to 0xf6000000 as base address from the PCI IO range: + +&cp0_pcie0 { + ranges = <0x81000000 0x0 0xfb000000 0x0 0xfb000000 0x0 0xf0000 + 0x82000000 0x0 0xf6000000 0x0 0xf6000000 0x0 0x2000000 + 0x82000000 0x0 0xf9000000 0x0 0xf9000000 0x0 0x100000>; + phys = <&cp0_comphy0 0>; + status = "okay"; +};