[PATCH 10/10] document: devicetree: bind pinconf in pinctrl single

Add comments with pinconf & gpio range in the document of
pinctrl-single.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
---
 .../devicetree/bindings/pinctrl/pinctrl-single.txt |   43 ++++++++++++++++++++
 1 files changed, 43 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt
index 5187f0d..b0e5059 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt

@@ -15,6 +15,49 @@ Optional properties:
   available and same for all registers; if not specified, disabling of
   pin functions is ignored
 
+- pinctrl-single,gpio-mask : mask of enabling gpio function register
+
+- pinctrl-single,gpio-ranges : gpio range list
+
+- pinctrl-single,gpio : array with gpio range start, size & register
+  offset
+
+- pinctrl-single,gpio-enable : value of enabling gpio function
+
+- pinctrl-single,gpio-disable : value of disabling gpio function
+
+- pinctrl-single,power-source-mask : mask of setting power source in
+  the pinmux register
+
+- pinctrl-single,power-source-shift : shift of power source field in
+  the pinmux register