I have a few questions about SD card on Xavier NX board.
Initial data: custom carrier + Xavier NX module.
**tegra194-p3668-all-p3509-0000.dtb (192.2 KB) ** sources.
Before creating this topic, I’ve read a lot of topics with similar problems.
First, I’ve changed sdhci@3400000 to sdhci@3400000 and p3668_vdd_sdmmc1_sw to p3668_vdd_sdmmc3_sw
But eventually SD card is not visible in the kernel.
mobulusnet@mobulusnet-desktop:~$ dmesg | grep sd [ 0.710774] iommu: Adding device 3460000.sdhci to group 6 [ 0.777526] vdd-sdmmc3-sw: 3300 mV [ 0.777833] vdd-1v8-sd: 1800 mV [ 0.888373] vddio-sdmmc1-3v3: at 3300 mV [ 1.547271] sd: No Scsi addr parsed to reserve index [ 2.037870] sdhci: Secure Digital Host Controller Interface driver [ 2.037873] sdhci: Copyright(c) Pierre Ossman [ 2.037875] sdhci-pltfm: SDHCI platform and OF driver helper [ 2.039001] sdhci-tegra 3460000.sdhci: Client registration for eMC Successful [ 2.089160] mmc0: SDHCI controller on 3460000.sdhci [3460000.sdhci] using ADMA 64-bit with 64 bit addr [ 2.135381] mmc0: mmc_decode_ext_csd: CMDQ supported: depth: 31, cmdq_support: 1 [ 3.541553] vdd-sdmmc3-sw: disabling [ 3.541557] vdd-1v8-sd: disabling
- What do I do wrong for activating SD card?
- Card detect gpio is gpio08, but in device tree this pin is named TEGRA194_MAIN_GPIO(Q, 2). How to convert TEGRA194_MAIN_GPIO(Q, 2) to gpio08?
- Do I need to change pinmux cfg files?
- Despite of activating sdhci@3440000 in device tree (status = “okay”), in kernel this status is disabled:
sudo cat /proc/device-tree/sdhci@3440000/status
dtb file is attached to this topic.
Thank you in advance!