Commit 24ad02c4 authored by Andreas Klinger's avatar Andreas Klinger Committed by Rob Herring
Browse files

gpio-omap.txt: add reg and interrupts properties 



Document properties reg and interrupts for OMAP GPIO controller bindings

Also add unit address in node name of the example

Signed-off-by: default avatarAndreas Klinger <ak@it-klinger.de>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent 485773d3

Documentation/devicetree/bindings/gpio/gpio-omap.txt

+8 −2
Original line number Diff line number Diff line
@@ -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>;

};

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