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[v5,08/12] document: devicetree: add properties in mrvl gpio

Message ID 1361764181-26647-9-git-send-email-haojian.zhuang@linaro.org
State Superseded
Headers show

Commit Message

Haojian Zhuang Feb. 25, 2013, 3:49 a.m. UTC 
Append new properties for mrvl gpio. They're in below.
marvell,gpio-ed-mask marvell,gpio-inverted & marvell,nr_gpios.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
---
 Documentation/devicetree/bindings/gpio/mrvl-gpio.txt |    9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt b/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt
index e137874..8cd5252 100644
--- a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt
+++ b/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt
@@ -14,6 +14,13 @@  Required properties:
   interrupt source.
 - gpio-controller : Marks the device node as a gpio controller.
 - #gpio-cells : Should be one.  It is the pin number.
+- marvell,nr-gpios : Should be the number of total gpio pins.
+
+Optional properties:
+- marvell,gpio-ed-mask : It means that there's gpio edge mask register.
+  It only exists in mmp family SoC.
+- marvell,gpio-inverted : It means that some gpio pins are inverted.
+  It only exists in PXA26x SoC.
 
 Example:
 
@@ -26,6 +33,8 @@  Example:
 		#gpio-cells = <1>;
 		interrupt-controller;
 		#interrupt-cells = <1>;
+		marvell,gpio-ed-mask;
+		marvell,nr-gpios = <128>;
       };
 
 * Marvell Orion GPIO Controller