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Thu, 12 Feb 2026 12:42:46 -0600 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 61CIgku54002204; Thu, 12 Feb 2026 12:42:46 -0600 From: Judith Mendez To: Judith Mendez , Nishanth Menon , Vignesh Raghavendra CC: Tero Kristo , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , , , , Moteen Shah , Andrew Davis Subject: [PATCH 3/4] arm64: dts: ti: k3-am62l-evm: Disable MMC1 internal pulls on data pins Date: Thu, 12 Feb 2026 12:42:45 -0600 Message-ID: <20260212184246.2316659-4-jm@ti.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260212184246.2316659-1-jm@ti.com> References: <20260212184246.2316659-1-jm@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF0001A103:EE_|CO1PR10MB4579:EE_ X-MS-Office365-Filtering-Correlation-Id: 2ffbd400-0f16-4673-f13b-08de6a668650 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|36860700013|376014; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: i4X622jEU7IE9LaClUJl5m8FXQ/zlJUYgKiaawDTu1GmwR62lH6QNYnUlb8B1e27+1aFgHpJiQZUCvT6Jc2kyMT2+iD82wdUYL33hloegoJ1RuSmR2sa1glvSg8Egd4OPjpRMOtY6jJ7cnVDAM6HlPeOIA/F7ytM+bOjN8MJ0LjQrdICHMJyWwOnPamHASszaaxxtGhF6sDSPEXPaDcBthfMIn98H1qyeBvFqg3BzJBtwFWfSCjqPZvHm/n8dOFhYxoG+OVkh2Wf4KQXpY4phLLKcNgCyG6xxVKg+yFu07J+1WrKSQ70FovgPKPvMyr91DgWGb3xrVd/O7cU6pZIz/yeZzV+PYbXYdrCnvyCI6ekoj3xshw2TiGLFQHziGffG3cfn1KHf6uJeqMgKwSIKzGg0nlN6CkMW5Q7JvZPVgQTREdol5u9dg3sA9dWE1Xj X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Feb 2026 18:42:50.4723 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2ffbd400-0f16-4673-f13b-08de6a668650 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A103.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4579 AM62L EVM has external pullups on MMC1 D1-D3 pins [0]. Remove internal pullups considering: - having both internal and external pullups reduces the total pull-up resistance < 47K resulting in unnecessary power consumption - mismatched pullup resistace between D0 and D1-D3 may cause potential issues for modes with tighter timing requirements. The different pull-up values cause different rise/fall times on each data line. Fixes: 00fb4c73b67d ("arm64: dts: ti: k3-am62l: add initial reference board file") [0] https://www.ti.com/lit/zip/SPRCAL6 Signed-off-by: Judith Mendez --- arch/arm64/boot/dts/ti/k3-am62l3-evm.dts | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts index 5085cd255fcd5..98e58d3e7d752 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts @@ -272,9 +272,9 @@ mmc1_pins_default: mmc1-default-pins { AM62LX_IOPAD(0x0230, PIN_INPUT, 0) /* (Y3) MMC1_CMD */ AM62LX_IOPAD(0x0228, PIN_OUTPUT, 0) /* (Y2) MMC1_CLK */ AM62LX_IOPAD(0x0224, PIN_INPUT, 0) /* (AA1) MMC1_DAT0 */ - AM62LX_IOPAD(0x0220, PIN_INPUT_PULLUP, 0) /* (Y4) MMC1_DAT1 */ - AM62LX_IOPAD(0x021c, PIN_INPUT_PULLUP, 0) /* (AA2) MMC1_DAT2 */ - AM62LX_IOPAD(0x0218, PIN_INPUT_PULLUP, 0) /* (AB2) MMC1_DAT3 */ + AM62LX_IOPAD(0x0220, PIN_INPUT, 0) /* (Y4) MMC1_DAT1 */ + AM62LX_IOPAD(0x021c, PIN_INPUT, 0) /* (AA2) MMC1_DAT2 */ + AM62LX_IOPAD(0x0218, PIN_INPUT, 0) /* (AB2) MMC1_DAT3 */ AM62LX_IOPAD(0x0234, PIN_INPUT, 0) /* (B6) MMC1_SDCD */ >; bootph-all; -- 2.52.0