regulator: gpio: explain detail of gpios-states

gpios-states is array, and default is 0

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit 907339818ecd66c20f57bbf53d1160c3dc9d34a8)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt
index 5da9a66..e5cac1e 100644 (file)
--- a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt
@@ -8,7 +8,8 @@ Required properties:
 Optional properties:
 - enable-gpio          : GPIO to use to enable/disable the regulator.
 - gpios                        : GPIO group used to control voltage.
-- gpios-states         : gpios pin's initial states. 1 means HIGH
+- gpios-states         : gpios pin's initial states array. 0: LOW, 1: HIGH.
+                         defualt is LOW if nothing is specified.
 - startup-delay-us     : Startup time in microseconds.
 - enable-active-high   : Polarity of GPIO is active high (default is low).
 - regulator-type       : Specifies what is being regulated, must be either