linux/Documentation/devicetree/bindings/mtd/nand.txt
<<
>>
Prefs
   1* MTD generic binding
   2
   3- nand-ecc-mode : String, operation mode of the NAND ecc mode.
   4  Supported values are: "none", "soft", "hw", "hw_syndrome", "hw_oob_first",
   5  "soft_bch".
   6- nand-bus-width : 8 or 16 bus width if not present 8
   7- nand-on-flash-bbt: boolean to enable on flash bbt option if not present false
   8