Messages in this thread | | | Date | Mon, 24 Oct 2022 14:56:30 +0200 | From | Marco Felsch <> | Subject | Re: [PATCH v3] arm64: dts: imx8mq-kontron-pitx-imx8m: remove off-on-delay-us for regulator-usdhc2-vmmc |
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On 22-10-24, Heiko Thiery wrote: > Hi Marco, > > Am Mo., 24. Okt. 2022 um 14:34 Uhr schrieb Marco Felsch > <m.felsch@pengutronix.de>: > > > > Hi Heiko, > > > > On 22-10-24, Heiko Thiery wrote: > > > With that delay U-Boot is not able to store the environment variables in > > > the SD card. Since the delay is not required it can be remove. > > > > Now I'm curious, since this doesn't tell us the why, it just tell us > > about the end result. I'm asking because the NXP EVKs have an issue with > > the sd-card power line capacity and we need this delay to reach a level > > which is marked as low within the sd-spec. > > I must admit that I do not know at all why this entry was made. I have > now looked at the dtbs of the imx8 EVKs and except for imx8dxl-evk.dts > I see no delay here.
Please see <20221024031351.4135651-10-peng.fan@oss.nxp.com>, they will be added.
Regards, Marco
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