[PATCH] gpio-omap.txt: add reg and interrupts properties

Andreas Klinger
2018-12-14T19:48:39Z

Document properties reg and interrupts for OMAP GPIO controller bindings

Also add unit address in node name of the example

Signed-off-by: Andreas Klinger <ak@it-klinger.de>
---
Documentation/devicetree/bindings/gpio/gpio-omap.txt | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-omap.txt b/Documentation/devicetree/bindings/gpio/gpio-omap.txt
index 8d950522e7fa..e57b2cb28f6c 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-omap.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-omap.txt
@@ -5,6 +5,8 @@ Required properties:
- "ti,omap2-gpio" for OMAP2 controllers
- "ti,omap3-gpio" for OMAP3 controllers
- "ti,omap4-gpio" for OMAP4 controllers
+- reg : Physical base address of the controller and length of memory mapped
+ region.
- gpio-controller : Marks the device node as a GPIO controller.
- #gpio-cells : Should be two.
- first cell is the pin number
@@ -18,6 +20,8 @@ Required properties:
2 = high-to-low edge triggered.
4 = active high level-sensitive.
8 = active low level-sensitive.
+- interrupts : The interrupt the controller is rising as output when an
+ interrupt occures

OMAP specific properties:
- ti,hwmods: Name of the hwmod associated to the GPIO:
@@ -29,11 +33,13 @@ OMAP specific properties:

Example:

-gpio4: gpio4 {
+gpio0: gpio@44e07000 {
compatible = "ti,omap4-gpio";
- ti,hwmods = "gpio4";
+ reg = <0x44e07000 0x1000>;
+ ti,hwmods = "gpio1";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
+ interrupts = <96>;
};
--
2.11.0

--