Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Maxim-Integrated/max32650/SDHC/PWR#0x0
Power Control.
SD Bus Power.
SD Bus Voltage Select.
5 (1v8_typ): undefined
6 (3v_typ): undefined
7 (3v3_typ): undefined
https://github.com/analogdevicesinc/msdk