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Tue, 31 Mar 2026 07:19:14 -0500 Received: from [10.24.50.20] (moteen-ubuntu-desk.dhcp.ti.com [10.24.50.20]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 62VCJBLW2736751; Tue, 31 Mar 2026 07:19:11 -0500 Message-ID: <8d4a2839-5b1e-479e-a462-dbbc3d016020@ti.com> Date: Tue, 31 Mar 2026 17:49:10 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: ti: k3-j721e-main: Update delay select values for MMC1/2 subsystems To: Romain Naour , , , CC: , , , , , , References: <20260218203823.1825554-1-romain.naour@smile.fr> Content-Language: en-US From: Moteen Shah In-Reply-To: <20260218203823.1825554-1-romain.naour@smile.fr> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF0002992B:EE_|CYYPR10MB7625:EE_ X-MS-Office365-Filtering-Correlation-Id: 34ac821a-90b6-4091-7baf-08de8f1fba1c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|36860700016|1800799024|18002099003|56012099003|22082099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: tQqvZtFt/UtwILKsaZETGYJ1Baed85dQjXHWEe4XeoTsyPUM0+cTDtZyqWw6yDYPZagTJywNqaZFDDrYr5jyYuu7QBeIEhgUfevG2pVDy5qUwGFDDLvj6kiKOcrWoxy5I0XL0BmD8gyiCSG+HXNiId4qpJtzYk/2TH4D9c2z6cres1NVGp7txM2OP6TdDTqMk5vDxb5Pv2dt6C3Pw/rJShJp8Ba9ouPhnDneTF00q4BD0nPbPwznWVybA4X8td806hceaW2ariWdf+7Z0aykkNKQJq6C4BKjUzbwuo2gNNJ6THcTyZ9toMR2Vk+6GTLztb6/1gSsfm8ol7vc+GcaOWijFD7O2yw1MMlEt7IzLdbgpJyw3ojRmsf+c25YIncv7YAVaE/2iRS5nozRQ2wOSKSU/43f4lEpmzhud/vR6+FpMU1oFiploIwisZzPbxnc X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Mar 2026 12:19:16.1192 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 34ac821a-90b6-4091-7baf-08de8f1fba1c X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0002992B.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYYPR10MB7625 Hey Romain, Thanks for the patch On 19/02/26 02:08, Romain Naour wrote: > The previous SPRSP36J datasheet recommends to set ti,otap-del-sel-sd-hs > value to 0 for MMC1 and MMC2 interfaces. These values were updated in > kernel 6.5. As a result we have some occasional regression with ultra > high speed DDR50 SDXC cards while mounting the rootfs: This error shouldn't be limited to just DDR50, were you seeing similar behavior with other speed modes? > > mmc1: error -110 whilst initialising SD card > > A similar issue may occur with u-boot after a reboot while > initialising the SD card: > > mmc_init: -110, time 67 > > Update the delay values for legacy and high speed modes, based on > the latest revised datasheet SPRSP36K released in April 2024 [1]. > > (MMC1/2 - SD/SDIO Interface): Updated/Changed the > "OTAPDLYENA, DELAY ENABLE" and "OTAPDLYSEL, DELAY VALUE" for the > Default Speed and High Speed modes from "0x0" to "0x1" > > [1] Table 6-86. MMC1/2 DLL Delay Mapping for All Timing Modes, in > https://www.ti.com/lit/ds/symlink/tda4vm.pdf, > (SPRSP36K – SEPTEMBER 2021 – REVISED APRIL 2024) > > Cc: stable@vger.kernel.org # 6.5+ > Fixes: af398252d68e ("arm64: dts: ti: k3-j721e-main: Update delay select values for MMC subsystems") > Signed-off-by: Romain Naour > --- > arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi > index d5fd30a01032..418e6010ef1f 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi > @@ -1643,8 +1643,8 @@ main_sdhci1: mmc@4fb0000 { > clocks = <&k3_clks 92 5>, <&k3_clks 92 0>; > assigned-clocks = <&k3_clks 92 0>; > assigned-clock-parents = <&k3_clks 92 1>; > - ti,otap-del-sel-legacy = <0x0>; > - ti,otap-del-sel-sd-hs = <0x0>; > + ti,otap-del-sel-legacy = <0x1>; > + ti,otap-del-sel-sd-hs = <0x1>; > ti,otap-del-sel-sdr12 = <0xf>; > ti,otap-del-sel-sdr25 = <0xf>; > ti,otap-del-sel-sdr50 = <0xc>; > @@ -1671,8 +1671,8 @@ main_sdhci2: mmc@4f98000 { > clocks = <&k3_clks 93 5>, <&k3_clks 93 0>; > assigned-clocks = <&k3_clks 93 0>; > assigned-clock-parents = <&k3_clks 93 1>; > - ti,otap-del-sel-legacy = <0x0>; > - ti,otap-del-sel-sd-hs = <0x0>; > + ti,otap-del-sel-legacy = <0x1>; > + ti,otap-del-sel-sd-hs = <0x1>; > ti,otap-del-sel-sdr12 = <0xf>; > ti,otap-del-sel-sdr25 = <0xf>; > ti,otap-del-sel-sdr50 = <0xc>; Reviewed-by: Moteen Shah Regards, Moteen