Davinci: ea20: add gpio for keeping power on in board_late_init

The pin called HALTEN drives a transistor to operate the supply
voltage. After HALTEN is high, the user can release the power
switch button and the device will stay powered on.

Signed-off-by: Bastian Ruppert <Bastian.Ruppert@Sewerin.de>
CC: sbabic@denx.de
CC: dzu@denx.de
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2 files changed