kernel.git/Documentation/arm/OMAP/README, branch linux-4.13.yHosts the 0x221E linux distro kernel.
https://git.0xinfinity.dev/distro/kernel.git/atom?h=linux-4.13.y2015-10-12T23:23:34ZDocumentation: ARM: List new omap MMC requirements2015-10-12T23:23:34ZTony Lindgren2015-10-12T23:19:54Zurn:sha1:d8e1f5ed11a39a68da00f05000466c4f6db4456e
Earlier the PBIAS regulator was optional, not so with recent
omap_hsmmc changes. To make things easier for people with
custom .config files, let's add minimal documentation for it
as suggested by Russell King <rmk+kernel@arm.linux.org.uk>.
Signed-off-by: Tony Lindgren <tony@atomide.com>