dt-bindings: pinctrl: sunxi: Add supply properties

The pinctrl node can have multiple regulators for each of its GPIO banks.
Add the property descriptions.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Maxime Ripard 2018-12-17 14:16:26 +01:00 • committed by Linus Walleij
commit b766470b87