OMAP history

This file contains documentation for running mainline kernel on omaps.

KERNEL NEW DEPENDENCIES
v4.3+ Update is needed for custom .config files to make sure CONFIG_REGULATOR_PBIAS is enabled for MMC1 to work properly.
v4.18+ Update is needed for custom .config files to make sure CONFIG_MMC_SDHCI_OMAP is enabled for all MMC instances to work in DRA7 and K2G based boards.