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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: Mickey Rachamim , Vadym Kochan Subject: [net-next v2 6/6] dt-bindings: marvell,prestera: Add description for device-tree bindings Date: Fri, 24 Jul 2020 17:19:57 +0300 Message-Id: <20200724141957.29698-7-vadym.kochan@plvision.eu> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200724141957.29698-1-vadym.kochan@plvision.eu> References: <20200724141957.29698-1-vadym.kochan@plvision.eu> Content-Type: text/plain X-ClientProxiedBy: AM6PR01CA0067.eurprd01.prod.exchangelabs.com (2603:10a6:20b:e0::44) To DB6P190MB0534.EURP190.PROD.OUTLOOK.COM (2603:10a6:6:33::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pc60716vkochan.x.ow.s (217.20.186.93) by AM6PR01CA0067.eurprd01.prod.exchangelabs.com (2603:10a6:20b:e0::44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3216.22 via Frontend Transport; Fri, 24 Jul 2020 14:20:26 +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: 36b1963b-c554-4132-a247-08d82fdcb6be X-MS-TrafficTypeDiagnostic: DB6P190MB0181: 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: sB12euReiPELJxTKIaqo5g+lXcQLSR15NN+2XGfx0hmbjPeKO2J1fIvtxDWEphj4BGYbQyJptmvnxtRKaVeG41fjUvIVAQ6q4FwsNtThiuN2MxAmAosryUqShoqzFNncuaCgIMr8gaYpQg4nQ3j+OzMnD+ev5yYXWgZcumI/iYbpKFOmhUIzqzOUy+ell/swPOk2szOdt7nNe45yrtxl+jQsJoYEukEg9EId5BbYHEh04655L9RmyFsAIV16YXhyKOX/Q7YK4JLl6kskDNffl4EZEKwMBy+gEq+QK0Qp2uJYySzt5bIEYV7Ivhbr4JFF8yJFIKKX67K9BPnLoMZm1tVgM2zeSieTDB2kGoZqj5EewI9EnugwI2M5FeSAY4iZph8HaBRy0kWSmUQrKI+9rA== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DB6P190MB0534.EURP190.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFTY:;SFS:(376002)(366004)(136003)(346002)(39830400003)(396003)(6512007)(508600001)(8676002)(110136005)(54906003)(956004)(44832011)(2616005)(66946007)(66556008)(1076003)(66476007)(5660300002)(316002)(6506007)(6486002)(16526019)(186003)(2906002)(8936002)(6666004)(4326008)(52116002)(26005)(36756003)(107886003)(86362001)(83380400001)(921003)(142933001);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData: 2dpMMvrwT9qL3hyee3TOIGwkEtcKJAf/49i+tKidZIgmjaLnkIb5TZElE5yFcY7KFrGPc6r6rHXxOpuJ1YUQ8CBjeReXHtApHzdWbwlKjAfFPA/KkTbdP1WpfF1Jur6vck7PiP9TbnxlmyUoig8Jz6qx/q81gohfAtrSDbocu3gTUGXvo4pRlUy2oLNfSN4RwPTDG4QtlMpagWiaZKfdVPneJAREha9kKNAminhUItH8Dw//4Z8vtI16FKBaOQySmh+vxSmBK0N+BrBXMCSv9bW6gl68GGtMHc/vIAl9otOYDHa6+GpAsMWDo196b7tJ0BEnSOGDsXx320HPI9DaOvM2nG09iHiOovU8A3p60GnHDGgrcffCBvUYJwpERL/386nUpVH/Pxm3gYzlthCCm8n4l3Q46ySjgd0vpwO/W8FDPzif1n/BzuuN/RrCZFSb5wI21bgaZceTK0iyNQLFvguFkA+SfWlJ4xeWl27Z82c= X-OriginatorOrg: plvision.eu X-MS-Exchange-CrossTenant-Network-Message-Id: 36b1963b-c554-4132-a247-08d82fdcb6be X-MS-Exchange-CrossTenant-AuthSource: DB6P190MB0534.EURP190.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Jul 2020 14:20:28.0191 (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: ynpEevo5wbgAtsG0jLtz7FREOZmmXpixOUqPn2PUVyWI08XMpFq34TwJWmR6QgzrpWUl8Ly5G6GZzQVsoAg9VBeXJCSphbqN+tdcxjsnNBU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6P190MB0181 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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"; +}; -- 2.17.1