> From: Marcel Ziswiler <[email protected]> > Turns out on certain carrier boards (e.g. Iris V2) and under certain > circumstances (e.g. after a software reset) the SD card may have been > left in a strange state which later failed as follows: > Colibri iMX6ULL # mmc dev 0 > Card did not respond to voltage select! : -110 > Fix this as follows: > - Re-name the signaling voltage rail regulator from vmmc to vqmmc. > - Fix the name of the GPIO property to gpios. > - Specify 4-bit bus width, no write-protect capability and no 1.8 > volt signaling voltage capability. > - Fix the clock vs. command pull-up vs. push-pull configuration. > Signed-off-by: Marcel Ziswiler <[email protected]> Applied to u-boot-imx, master, thanks !
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