On Wed, Jul 04, 2012 at 12:32:08PM +0530, Laxman Dewangan wrote:

> In non-DT, the input supply is passed with the regulator_init_data
> through the fixed voltage config and it is filled in board files.

No, this is a legacy way of doing things.  All regulators should be
moving to specifying the name in their descriptor except for supplies
that are power roots (which are often fixed voltage regulators).