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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 CO1NAM11FT060.mail.protection.outlook.com (10.13.175.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6340.21 via Frontend Transport; Wed, 26 Apr 2023 10:43:24 +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; Wed, 26 Apr 2023 05:43:23 -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; Wed, 26 Apr 2023 05:43:19 -0500 From: Harini Katakam To: , , , , , , , , , , , CC: , , , , , , Subject: [PATCH net-next v2 1/3] phy: mscc: Use PHY_ID_MATCH_VENDOR to minimize PHY ID table Date: Wed, 26 Apr 2023 16:13:11 +0530 Message-ID: <20230426104313.28950-2-harini.katakam@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230426104313.28950-1-harini.katakam@amd.com> References: <20230426104313.28950-1-harini.katakam@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT060:EE_|PH0PR12MB5646:EE_ X-MS-Office365-Filtering-Correlation-Id: e2fe37ce-5dab-4272-37ae-08db4643100e 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: 26 Apr 2023 10:43:24.7615 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e2fe37ce-5dab-4272-37ae-08db4643100e 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: CO1NAM11FT060.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5646 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" All the PHY devices variants specified have the same mask and hence can be simplified to one vendor look up for 0xfffffff0. Any individual config can be identified by PHY_ID_MATCH_EXACT in the respective structure. Signed-off-by: Harini Katakam --- v2: New patch drivers/net/phy/mscc/mscc_main.c | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_m= ain.c index 62bf99e45af1..75d9582e5784 100644 --- a/drivers/net/phy/mscc/mscc_main.c +++ b/drivers/net/phy/mscc/mscc_main.c @@ -2656,19 +2656,7 @@ static struct phy_driver vsc85xx_driver[] =3D { module_phy_driver(vsc85xx_driver); =20 static struct mdio_device_id __maybe_unused vsc85xx_tbl[] =3D { - { PHY_ID_VSC8504, 0xfffffff0, }, - { PHY_ID_VSC8514, 0xfffffff0, }, - { PHY_ID_VSC8530, 0xfffffff0, }, - { PHY_ID_VSC8531, 0xfffffff0, }, - { PHY_ID_VSC8540, 0xfffffff0, }, - { PHY_ID_VSC8541, 0xfffffff0, }, - { PHY_ID_VSC8552, 0xfffffff0, }, - { PHY_ID_VSC856X, 0xfffffff0, }, - { PHY_ID_VSC8572, 0xfffffff0, }, - { PHY_ID_VSC8574, 0xfffffff0, }, - { PHY_ID_VSC8575, 0xfffffff0, }, - { PHY_ID_VSC8582, 0xfffffff0, }, - { PHY_ID_VSC8584, 0xfffffff0, }, + { PHY_ID_MATCH_VENDOR(0xfffffff0) }, { } }; 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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 CO1NAM11FT060.mail.protection.outlook.com (10.13.175.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6340.21 via Frontend Transport; Wed, 26 Apr 2023 10:43:31 +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; Wed, 26 Apr 2023 05:43:28 -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; Wed, 26 Apr 2023 05:43:24 -0500 From: Harini Katakam To: , , , , , , , , , , , CC: , , , , , , Subject: [PATCH net-next v2 2/3] dt-bindings: mscc: Add RGMII RX and TX delay tuning Date: Wed, 26 Apr 2023 16:13:12 +0530 Message-ID: <20230426104313.28950-3-harini.katakam@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230426104313.28950-1-harini.katakam@amd.com> References: <20230426104313.28950-1-harini.katakam@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT060:EE_|SA1PR12MB7318:EE_ X-MS-Office365-Filtering-Correlation-Id: 4be0ae4f-a35a-4247-4e8e-08db464313dd 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: 26 Apr 2023 10:43:31.1518 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4be0ae4f-a35a-4247-4e8e-08db464313dd 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: CO1NAM11FT060.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB7318 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Harini Katakam Add optional properties to tune RGMII RX and TX delay. The current default value in the Linux driver, when the phy-mode is rgmii-id, is 2ns for both. These properties take priority if specified. Signed-off-by: Harini Katakam Signed-off-by: Radhey Shyam Pandey Signed-off-by: Michal Simek --- v2: - 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 Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/D= ocumentation/devicetree/bindings/net/mscc-phy-vsc8531.txt index 0a3647fe331b..2b779bc3096b 100644 --- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt +++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt @@ -33,6 +33,8 @@ Optional properties: VSC8531_DUPLEX_COLLISION (8). - load-save-gpios : GPIO used for the load/save operation of the PTP hardware clock (PHC). +- mscc,rx-delay : RGMII RX delay. Allowed values are 0.2 - 3.4 ns. +- mscc,tx-delay : RGMII TX delay. 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Apr 2023 10:43:35.0548 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 392f4ec5-f7c0-4799-dc3e-08db46431630 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: CO1NAM11FT077.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4207 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Harini Katakam Add support for VSC8531_02 (Rev 2) device. Add support for optional RGMII RX and TX delay tuning via devicetree. The hierarchy is: - Retain the defaul 0.2ns delay when RGMII tuning is not set. - Retain the default 2ns delay when RGMII tuning is set and DT delay property is NOT specified. - Use the DT delay value when RGMII tuning is set and a DT delay property is specified. Signed-off-by: Harini Katakam Signed-off-by: Radhey Shyam Pandey Signed-off-by: Michal Simek --- v2: - 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 drivers/net/phy/mscc/mscc.h | 3 +++ drivers/net/phy/mscc/mscc_main.c | 40 ++++++++++++++++++++++++++++---- 2 files changed, 39 insertions(+), 4 deletions(-) diff --git a/drivers/net/phy/mscc/mscc.h b/drivers/net/phy/mscc/mscc.h index a50235fdf7d9..5a26eba0ace0 100644 --- a/drivers/net/phy/mscc/mscc.h +++ b/drivers/net/phy/mscc/mscc.h @@ -281,6 +281,7 @@ enum rgmii_clock_delay { #define PHY_ID_VSC8514 0x00070670 #define PHY_ID_VSC8530 0x00070560 #define PHY_ID_VSC8531 0x00070570 +#define PHY_ID_VSC8531_02 0x00070572 #define PHY_ID_VSC8540 0x00070760 #define PHY_ID_VSC8541 0x00070770 #define PHY_ID_VSC8552 0x000704e0 @@ -373,6 +374,8 @@ struct vsc8531_private { * package. */ unsigned int base_addr; + u32 rx_delay; + u32 tx_delay; =20 #if IS_ENABLED(CONFIG_MACSEC) /* MACsec fields: diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_m= ain.c index 75d9582e5784..80cc90a23d57 100644 --- a/drivers/net/phy/mscc/mscc_main.c +++ b/drivers/net/phy/mscc/mscc_main.c @@ -525,6 +525,7 @@ static int vsc85xx_rgmii_set_skews(struct phy_device *p= hydev, u32 rgmii_cntl, { u16 rgmii_rx_delay_pos =3D ffs(rgmii_rx_delay_mask) - 1; u16 rgmii_tx_delay_pos =3D ffs(rgmii_tx_delay_mask) - 1; + struct vsc8531_private *vsc8531 =3D phydev->priv; u16 reg_val =3D 0; int rc; =20 @@ -532,10 +533,10 @@ static int vsc85xx_rgmii_set_skews(struct phy_device = *phydev, u32 rgmii_cntl, =20 if (phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_RXID || phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_ID) - reg_val |=3D RGMII_CLK_DELAY_2_0_NS << rgmii_rx_delay_pos; + reg_val |=3D vsc8531->rx_delay << rgmii_rx_delay_pos; if (phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_TXID || phydev->interface =3D=3D PHY_INTERFACE_MODE_RGMII_ID) - reg_val |=3D RGMII_CLK_DELAY_2_0_NS << rgmii_tx_delay_pos; + reg_val |=3D vsc8531->tx_delay << rgmii_tx_delay_pos; =20 rc =3D phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2, rgmii_cntl, @@ -1812,6 +1813,15 @@ static int vsc85xx_config_init(struct phy_device *ph= ydev) { int rc, i, phy_id; struct vsc8531_private *vsc8531 =3D phydev->priv; + struct device_node *of_node =3D phydev->mdio.dev.of_node; + + vsc8531->rx_delay =3D RGMII_CLK_DELAY_2_0_NS; + rc =3D of_property_read_u32(of_node, "mscc,rx-delay", + &vsc8531->rx_delay); + + vsc8531->tx_delay =3D RGMII_CLK_DELAY_2_0_NS; + rc =3D of_property_read_u32(of_node, "mscc,tx-delay", + &vsc8531->tx_delay); =20 rc =3D vsc85xx_default_config(phydev); if (rc) @@ -2413,9 +2423,8 @@ static struct phy_driver vsc85xx_driver[] =3D { .get_stats =3D &vsc85xx_get_stats, }, { - .phy_id =3D PHY_ID_VSC8531, + PHY_ID_MATCH_EXACT(PHY_ID_VSC8531), .name =3D "Microsemi VSC8531", - .phy_id_mask =3D 0xfffffff0, /* PHY_GBIT_FEATURES */ .soft_reset =3D &genphy_soft_reset, .config_init =3D &vsc85xx_config_init, @@ -2436,6 +2445,29 @@ static struct phy_driver vsc85xx_driver[] =3D { .get_strings =3D &vsc85xx_get_strings, .get_stats =3D &vsc85xx_get_stats, }, +{ + PHY_ID_MATCH_EXACT(PHY_ID_VSC8531_02), + .name =3D "Microsemi VSC8531-02", + /* PHY_GBIT_FEATURES */ + .soft_reset =3D &genphy_soft_reset, + .config_init =3D &vsc85xx_config_init, + .config_aneg =3D &vsc85xx_config_aneg, + .read_status =3D &vsc85xx_read_status, + .handle_interrupt =3D vsc85xx_handle_interrupt, + .config_intr =3D &vsc85xx_config_intr, + .suspend =3D &genphy_suspend, + .resume =3D &genphy_resume, + .probe =3D &vsc85xx_probe, + .set_wol =3D &vsc85xx_wol_set, + .get_wol =3D &vsc85xx_wol_get, + .get_tunable =3D &vsc85xx_get_tunable, + .set_tunable =3D &vsc85xx_set_tunable, + .read_page =3D &vsc85xx_phy_read_page, + .write_page =3D &vsc85xx_phy_write_page, + .get_sset_count =3D &vsc85xx_get_sset_count, + .get_strings =3D &vsc85xx_get_strings, + .get_stats =3D &vsc85xx_get_stats, +}, { .phy_id =3D PHY_ID_VSC8540, .name =3D "Microsemi FE VSC8540 SyncE", --=20 2.17.1