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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by DM6NAM11FT093.mail.protection.outlook.com (10.13.172.235) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6411.28 via Frontend Transport; Mon, 22 May 2023 12:28:34 +0000 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Mon, 22 May 2023 07:28:34 -0500 Received: from xhdharinik40.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2375.34 via Frontend Transport; Mon, 22 May 2023 07:28:30 -0500 From: Harini Katakam To: , , , , , , , , , CC: , , , , , Subject: [PATCH net-next v4 0/2] Add support for VSC85xx DT RGMII delays Date: Mon, 22 May 2023 17:58:27 +0530 Message-ID: <20230522122829.24945-1-harini.katakam@amd.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT093:EE_|SA3PR12MB8000:EE_ X-MS-Office365-Filtering-Correlation-Id: 8a32d80d-6547-4d45-d138-08db5ac00fdc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2023 12:28:34.8626 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8a32d80d-6547-4d45-d138-08db5ac00fdc X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT093.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB8000 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org Provide an option to change RGMII delay value via devicetree. v4: - Remove VSC8531_02 support. Existing code will identify VSC8531_01/02 and there is no unique functionality to be added for either version. - Correct type of rx/tx_delay to accept correct return value. - Added Andrew's tag to patch 1 Lore link for v3: https://lore.kernel.org/netdev/20230511120808.28646-1-harini.katakam@amd.com/ v3 changes: - Remove patch 2/3 from v2 as custom mscc properties dont need to be defined. rx-internal-delay-ps and tx-internal-delay-ps can be used. - Change RGMII delay precedence as advised by Vladimir: phy-mode rgmii rgmii-rxid/rgmii-id -------------------------------------------------------------------------------------------- rx-internal-delay-ps absent 0.2 ns 2 ns rx-internal-delay-ps present follow rx-internal-delay-ps follow rx-internal-delay-ps - Split VSC8531-02 and RGMII delay config into separate patches. - Correct vendor ID - Update commit description and subject everywhere to say RGMII delays instead of RGMII tuning. v2 changes: - Added patch to use a common vendor phy id match - Removed dt include header patch because delays should be specied in ps, not register values - Updated DT binding description and commit for optional delay tuning to be clearer on the precedence - Updated dt property name to include vendor instead of phy device name - Switch both VSC8531 and VSC8531-02 to use exact phy id match as they share the same model number - Ensure RCT - Improve optional property read Harini Katakam (2): phy: mscc: Use PHY_ID_MATCH_VENDOR to minimize PHY ID table phy: mscc: Add support for RGMII delay configuration drivers/net/phy/mscc/mscc.h | 3 ++ drivers/net/phy/mscc/mscc_main.c | 49 +++++++++++++++++++------------- 2 files changed, 32 insertions(+), 20 deletions(-)