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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Russell King , , , Maxime Chevallier , Vladimir Oltean , Christophe Roullier CC: , , , Subject: [PATCH 1/3] arm64: dts: st: add 3v3 regulator to ethernet on stm32mp235f-dk Date: Mon, 10 Aug 2026 15:10:30 +0200 Message-ID: <20260810131032.455435-2-christophe.roullier@foss.st.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260810131032.455435-1-christophe.roullier@foss.st.com> References: <20260810131032.455435-1-christophe.roullier@foss.st.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: STKCAS1NODE1.st.com (10.75.128.134) To STKDAG1NODE2.st.com (10.75.128.133) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM2PEPF0001C716:EE_|AS5PR10MB8269:EE_ X-MS-Office365-Filtering-Correlation-Id: 71e7ccb7-1ebf-4682-60ca-08def6e0c846 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|23010399003|82310400026|36860700016|921020|56012099006|10067099003|11063799006|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:164.130.1.60;CTRY:IT;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:smtpO365.st.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(7416014)(1800799024)(23010399003)(82310400026)(36860700016)(921020)(56012099006)(10067099003)(11063799006)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: hqAiCk3HgliolMbU98KfBliMRC3RX6tqeFGI/PEHPdDkkbTkL60TrHVzTNqdcqThcLUmPQmNFU3lbL7i3akBLu7C5XOJHMkkWJwqLvpnYC7mSZ3FxFQRTVCBkw87pyuPaE2lxzCSk4wpJnysV2FyY7PBYBVSyCeQn7b83oEll87PoDKdDxhGqq5J1PG4wt1kXuF2dqFE4AVPzbWPJ38pecDNP8VW+g9Rkbw9q7/xJ/13JW/ZWq3BfMwYc8gMo/iJXzICT+kpGc+6rVJ03hwPNnLxZgfCQ0hquVy9X9kEijyp+MdOblm+N4XpmdwlLO+CUWclu6RZoN9u3GrFuDwocVRyPcXnywdhP59cTBUA9Xyz48+3GEK5I4ljht5Ff1RsgimSXJIIwtogeeEQhVIjQjti7TT2EPVTFIV8jHBeuJ+5PsytVrIiY1RTPbxrgvik X-OriginatorOrg: foss.st.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Aug 2026 13:10:42.5284 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 71e7ccb7-1ebf-4682-60ca-08def6e0c846 X-MS-Exchange-CrossTenant-Id: 75e027c9-20d5-47d5-b82f-77d7cd041e8f X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=75e027c9-20d5-47d5-b82f-77d7cd041e8f;Ip=[164.130.1.60];Helo=[smtpO365.st.com] X-MS-Exchange-CrossTenant-AuthSource: AM2PEPF0001C716.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS5PR10MB8269 Content-Type: text/plain; charset="utf-8" The Ethernet PHY is supplied by 3v3 PMIC regulator, add it to Ethernet node. Signed-off-by: Christophe Roullier Reviewed-by: Linus Walleij --- arch/arm64/boot/dts/st/stm32mp235f-dk.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/st/stm32mp235f-dk.dts b/arch/arm64/boot/dt= s/st/stm32mp235f-dk.dts index dd4efbe5a46e..fb49cd2da2c6 100644 --- a/arch/arm64/boot/dts/st/stm32mp235f-dk.dts +++ b/arch/arm64/boot/dts/st/stm32mp235f-dk.dts @@ -137,6 +137,7 @@ ðernet1 { pinctrl-names =3D "default", "sleep"; phy-handle =3D <&phy1_eth1>; phy-mode =3D "rgmii-id"; + phy-supply =3D <&scmi_v3v3>; status =3D "okay"; =20 mdio { --=20 2.43.0 From nobody Tue Sep 29 08:26:16 2026 Received: from AM0PR02CU008.outbound.protection.outlook.com (mail-westeuropeazon11013066.outbound.protection.outlook.com [52.101.72.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B889437DAAD; Mon, 10 Aug 2026 13:10:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Russell King , , , Maxime Chevallier , Vladimir Oltean , Christophe Roullier CC: , , , Subject: [PATCH 2/3] arm64: dts: st: add 3v3 regulator to ethernet on stm32mp257f-dk Date: Mon, 10 Aug 2026 15:10:31 +0200 Message-ID: <20260810131032.455435-3-christophe.roullier@foss.st.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260810131032.455435-1-christophe.roullier@foss.st.com> References: <20260810131032.455435-1-christophe.roullier@foss.st.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: STKCAS1NODE1.st.com (10.75.128.134) To STKDAG1NODE2.st.com (10.75.128.133) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB1PEPF000509E8:EE_|GVUPR10MB9678:EE_ X-MS-Office365-Filtering-Correlation-Id: 0419573d-a437-4f79-8705-08def6e0c898 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|23010399003|36860700016|1800799024|82310400026|921020|10067099003|56012099006|11063799006|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:164.130.1.59;CTRY:IT;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:smtpO365.st.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(7416014)(23010399003)(36860700016)(1800799024)(82310400026)(921020)(10067099003)(56012099006)(11063799006)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: Y+2grz65sKTsBdH4DSQTSDyJVOIMsZexmm2aDJ372Lr+D5chrmTnD+gN4u2jNWFLDHV6fTKbOFff0SFHkKL7lYyB6224zW1n+h4n9CYhkMBFXW6ru+/34JJuHWvKyWqWzsauUTKigfltgway2/9WDQ6DVvPW55J5dnj54Wqs/fbTqhXFObSfgCLUV9l3ztrrBs1ypn89q04f8hiBPpuZCFeiTwiaBxnWicyX5nfMdPsah5m18B3sTXE5UWjtiP1zB6KExK95+mTps4vw61ggjovMm/0A607rllFK0TqkgKgjdwLw5q8yQKaZyMN5Gvw4wvdnEVRLpwqK04NV7e7LX/Zz8Pu+mDJVF+pZ0V6CZSOdL10T6jh08yYy1v4wRiQ9FneeK30EbVRs6SYd8ew57MiJifeSqpFQZ0a0R6+Y/pkLYA6fYS2MD3NrbIDSVQSJ X-OriginatorOrg: foss.st.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Aug 2026 13:10:43.0367 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0419573d-a437-4f79-8705-08def6e0c898 X-MS-Exchange-CrossTenant-Id: 75e027c9-20d5-47d5-b82f-77d7cd041e8f X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=75e027c9-20d5-47d5-b82f-77d7cd041e8f;Ip=[164.130.1.59];Helo=[smtpO365.st.com] X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF000509E8.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GVUPR10MB9678 Content-Type: text/plain; charset="utf-8" The Ethernet PHY is supplied by 3v3 PMIC regulator, add it to Ethernet node. Signed-off-by: Christophe Roullier Reviewed-by: Linus Walleij --- arch/arm64/boot/dts/st/stm32mp257f-dk.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts b/arch/arm64/boot/dt= s/st/stm32mp257f-dk.dts index 8daf3dfd5133..e98a773448ee 100644 --- a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts +++ b/arch/arm64/boot/dts/st/stm32mp257f-dk.dts @@ -144,6 +144,7 @@ ðernet1 { pinctrl-names =3D "default", "sleep"; phy-handle =3D <&phy1_eth1>; phy-mode =3D "rgmii-id"; + phy-supply =3D <&scmi_v3v3>; status =3D "okay"; =20 mdio { --=20 2.43.0 From nobody Tue Sep 29 08:26:16 2026 Received: from DU2PR03CU002.outbound.protection.outlook.com (mail-northeuropeazon11011013.outbound.protection.outlook.com [52.101.65.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 635113DDAFD; Mon, 10 Aug 2026 13:10:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Russell King , , , Maxime Chevallier , Vladimir Oltean , Christophe Roullier CC: , , , Subject: [PATCH 3/3] arm64: dts: st: increase deassert of PHY reset in stm32mp257f-ev1 Date: Mon, 10 Aug 2026 15:10:32 +0200 Message-ID: <20260810131032.455435-4-christophe.roullier@foss.st.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260810131032.455435-1-christophe.roullier@foss.st.com> References: <20260810131032.455435-1-christophe.roullier@foss.st.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: STKCAS1NODE1.st.com (10.75.128.134) To STKDAG1NODE2.st.com (10.75.128.133) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM2PEPF0001C710:EE_|GV1PR10MB8735:EE_ X-MS-Office365-Filtering-Correlation-Id: e227a6d6-eeee-4066-be80-08def6e0c9a1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|1800799024|23010399003|82310400026|36860700016|921020|22082099003|18002099003|56012099006|10067099003|11063799006; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:164.130.1.60;CTRY:IT;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:smtpO365.st.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(7416014)(376014)(1800799024)(23010399003)(82310400026)(36860700016)(921020)(22082099003)(18002099003)(56012099006)(10067099003)(11063799006);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: qLxzRgSpS/LWwkq03uvXFUQpeHttCIXL65kQ1lNpJjFj1K/+mIMxoZdnlczrd0qsbsuSXw/5BvcU2JjBFsuNTQ5jvbTwJXQhz99bq6410uQr5dDIxLrcB6uYoBEZmWjBN/SNaLKAjNAkxfxY92wh/msTaqFRe5Dt25UdlyH1YdqxdLG5nochW8ruzCgFwM1dM4qJxa7COId0aSYhzaGyXl3MnHk6EM5ssxbL+zL7DyJLYn7dgmYOQmngZZ/A3uGAFVTepWQG9qmMSj9pbSApcGCW8icFcx9I+BPDnbwRG7W7jsCuaUovm+fBK2oFTuDYebDN0qX1GcUX4vFzIIZ9cEWXahOchDvt+OAp3cZr6ZLqb9lxUPNOhcvPdTOnz1FWbwCOAH3XKdmClrA0PWsJ1jUSvc+0qcLic+2jU4zhjtLarnYFhyeFkZjvH4M0k4Bk X-OriginatorOrg: foss.st.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Aug 2026 13:10:44.7982 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e227a6d6-eeee-4066-be80-08def6e0c9a1 X-MS-Exchange-CrossTenant-Id: 75e027c9-20d5-47d5-b82f-77d7cd041e8f X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=75e027c9-20d5-47d5-b82f-77d7cd041e8f;Ip=[164.130.1.60];Helo=[smtpO365.st.com] X-MS-Exchange-CrossTenant-AuthSource: AM2PEPF0001C710.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR10MB8735 Content-Type: text/plain; charset="utf-8" The RTL8211F has a PHYRSTB pin to reset the chip. For a complete PHY reset, this pin must be asserted low for at least 10ms for the internal regulator. Wait for at least 80ms (for internal circuits setting time) before accessing the PHY register. All registers will return to default values after a hardware reset Signed-off-by: Christophe Roullier Reviewed-by: Linus Walleij --- arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/d= ts/st/stm32mp257f-ev1.dts index b5db62a0a550..0c7c29f4b71e 100644 --- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts +++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts @@ -247,7 +247,7 @@ phy0_eth2: ethernet-phy@1 { compatible =3D "ethernet-phy-id001c.c916"; reg =3D <1>; reset-assert-us =3D <10000>; - reset-deassert-us =3D <300>; + reset-deassert-us =3D <80000>; reset-gpios =3D <&gpiog 6 GPIO_ACTIVE_LOW>; }; }; --=20 2.43.0