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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?3JQRRBayF+BRj11GZSpPmAi0ogjx8l50YmHP3ICelsOknH2Y6Rk/NfM5MEox?= =?us-ascii?Q?FesJGAEXZ96o2ZSW9NIRbv5E77PJf4qP8IonWkaJj5UeOP7JzI7VDEX5TmmI?= =?us-ascii?Q?P5KwVTO3hE7xEAI45QugBMa7K0/+PUq72dpYxGHtoiLgnwbTvhAF6p4pJxIz?= =?us-ascii?Q?SxrLKmiP/qqmw/P1V/m3KwY/J3SSbZwGT+cythqXOfiBqM50dyyCyhYUTyzg?= =?us-ascii?Q?ncuB+blHe1fHPQu6JBLrIIr+me3S35DM0NpzSxGbjBOcsk4SWiylUtQWGssr?= =?us-ascii?Q?XZM6LS6w8VfK0zxxyDA91hS4VvP3XFV7H6C8FqKbd0OpZGZh3y1SvnUV9yTB?= =?us-ascii?Q?/sW7+EUT41C40gMxlF/rLUQLFVMDwpTzoK2FxQ1UQy8B0ysPQMtuno1qiQfP?= =?us-ascii?Q?epNUom9oYOAiakFR0GkYPdXRIT9C0B3lTbolIKR7dRyaYv5LKQBKYoJuqphq?= =?us-ascii?Q?ThNntFXSmvPFjweIg2TRgtJhOegakR/Y/a3hOLLvBCT/3Yug8GQ73tlIn1m8?= =?us-ascii?Q?oMYF6eaWT7Qnns1/Lm21u//Oldk43RTbSuwKvzRKcKYPIjppUI0szeUGwmOn?= =?us-ascii?Q?Dqw6U1cmoFoDIUlReIKCjP706E9VyKiesnAKd02/3NQjHqOaI1HJVMMrI++K?= =?us-ascii?Q?U2e5j1GHDCAJX90W9/++ryUU+ytiURtrY/ewsn4N9NcpubzOpJp/kI4zJEEr?= =?us-ascii?Q?r4l9yrU7LFLcMvI3Vs3q930ZKFK8/qI3n8r4vgAmRH1qBIqh1crLNfsJKvPY?= =?us-ascii?Q?FuIH/2YBLXUt4Jy3I4TJq5aeBt/P0XfWu/7AxIS1FtzFggGiReRmYjYDTkJr?= =?us-ascii?Q?+wrKee527m5qOq4zlDexCAfos/Wyv6zPMM5Wuh0XttebcNr+7Cog7XEyQKve?= =?us-ascii?Q?osRFhBU8EKGvm3BuGv/TcsfjaHadKkZZc9jR0gG0YGVriyPxbI5vTiQG5ymS?= =?us-ascii?Q?zs7NbC2n+1FvIgQ9TIP0pBapHQYxx7LyUBLQ7BO8EITZAFGcwg6+5G7AdyZf?= =?us-ascii?Q?9yrn/XEPKFKcGTmhEpUWH32c4f5GpunfpQ1+Un0NDTMhbbTfx0IenxXl2hQX?= =?us-ascii?Q?B54mbEetJzjl63123/etumrJAAJ08O30hNyt/tjq/z1voldzY5EsXaM5fZpO?= =?us-ascii?Q?jhTgWs52H4lz3PWRk84vWKIW/2JHkWCwE5nuw6fLU7X7y2brYQ1rYcOyrqCG?= =?us-ascii?Q?O6Re/P38iabqB4NjnHfhvBswc2wHj6DRMvz8Tx/7uR/IVREnsAyHpXTwiuYO?= =?us-ascii?Q?m5dP0rWcc9POlIwWoBxFtEVrbH1mEgkGxpMLN2pp9/Sqxb84mckSBwtqoJ3B?= =?us-ascii?Q?Eali6ydNxMHpqg9wUvJ5tQkqWmHvFzUYtBbzFJ4h9X4PXgibreyuZ0qkKjU4?= =?us-ascii?Q?5/Q6MkcQfcFX81ayHyIni2EiOG6eX/Mfc26kMGTGDRaZ8VFw9lVKMicEMUnC?= =?us-ascii?Q?6PXxT4UzI9nbNhS8WDnegkS0mMo+x58UKoLk2xx4wMLfqMJoP7hXB3broomo?= =?us-ascii?Q?jv7raFOLDti7N/vvmdgsRY6L/gCHizOvnbx/JRV04gI/Tr+Mnwmew4paipnu?= =?us-ascii?Q?kwNuMRaB8uSW/vtVMM3FScyhvkkNluPd2skqt8iB?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: d2c69517-4e7a-4570-10a2-08de26b7e58c X-MS-Exchange-CrossTenant-AuthSource: DB9PR04MB9626.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Nov 2025 15:34:00.7037 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: fPkVkzclfnrbZy8JrOHtKYs16Yd29mItD7weTrMmwO0azmqWFEYjbtfHsY5VqYCgMVu3gJH7FsKFHW9fEF7K7w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9PR04MB8397 On Tue, Nov 18, 2025 at 04:30:18PM +0800, Haibo Chen wrote: > For SD card, according to the spec requirement, for sd card power reset > operation, it need sd card supply voltage to be lower than 0.5v and keep > over 1ms, otherwise, next time power back the sd card supply voltage to > 3.3v, sd card can't support SD3.0 mode again. > > To match such requirement on imx8qm-mek board, add 4.8ms delay between > sd power off and power on. > > Fixes: 307fd14d4b14 ("arm64: dts: imx: add imx8qm mek support") > Signed-off-by: Haibo Chen Reviewed-by: Frank Li > --- > arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts > index 667ba2fea8678215c611dc0ca19e8fbc397f9273..f1b0563d3a09044dda30627a62de5707b53f021a 100644 > --- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts > +++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts > @@ -263,6 +263,7 @@ reg_usdhc2_vmmc: usdhc2-vmmc { > regulator-max-microvolt = <3000000>; > gpio = <&lsio_gpio4 7 GPIO_ACTIVE_HIGH>; > enable-active-high; > + off-on-delay-us = <4800>; > }; > > reg_audio: regulator-audio { > > -- > 2.34.1 >