tree 53f3b5049097f563fb2d4092aef38869d1434778
parent dbb0db6b21544f5df9432450f527864a1de19aa7
author Andre Przywara <andre.przywara@arm.com> 1550441411 +0000
committer Dimitris Papastamos <dimitris.papastamos@arm.com> 1552059330 +0000

allwinner: regulators: pick correct DT subnode

So far the DT node describing the AXP803 PMIC used in many Allwinner A64
boards had only one subnode, so our code just entering the first subnode
to find all regulators worked fine.

However recent DT updates in the Linux kernel add more subnodes *before*
that, so we need to make sure to explicitly enter the "regulators"
subnode to find the information we are after.

Improve some DT node parsing error handling on the way.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>