I'm trying to use MicroSD on a custom carrier board

[WayneWWW]

Ok, then maybe this thread is shorter so that you can understand it easily.

This guy is also doing the debug. Maybe you can refer to it first so that I don’t need to write the same thing twice.

Micro-SD card on custom jetson nano

Hello, I’m using a custom jetson-nano and I’m struggling with trying to get the micro-sd card work. I followed this https://forums.developer.nvidia.com/t/jetson-nano-sd-card-can-use-but-kernel-prompt-error/154587 but it still not working. I flashed the board with flash.sh (./flash.sh jetson-nano-emmc mmcblk0p1) and then I edited the dts file tegra210-p3448-0002-p3449-0000-b00.dts to set sdhci@700b0400 status as “okay” and also I added nvidia,vmmc-always-on. Also, I activated the pins GPIO07 …