Messages in this thread Patch in this message | | | From | Rob Herring <> | Subject | [PATCH 1/2] devicetree: Add ARM pl061 gpio controller binding doc | Date | Tue, 27 Sep 2011 20:45:13 -0500 |
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From: Rob Herring <rob.herring@calxeda.com>
Add binding documentation for ARM's Primecell PL061 GPIO controller.
Signed-off-by: Rob Herring <rob.herring@calxeda.com> --- .../devicetree/bindings/gpio/pl061-gpio.txt | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/gpio/pl061-gpio.txt
diff --git a/Documentation/devicetree/bindings/gpio/pl061-gpio.txt b/Documentation/devicetree/bindings/gpio/pl061-gpio.txt new file mode 100644 index 0000000..a2c416b --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/pl061-gpio.txt @@ -0,0 +1,10 @@ +ARM PL061 GPIO controller + +Required properties: +- compatible : "arm,pl061", "arm,primecell" +- #gpio-cells : Should be two. The first cell is the pin number and the + second cell is used to specify optional parameters: + - bit 0 specifies polarity (0 for normal, 1 for inverted) +- gpio-controller : Marks the device node as a GPIO controller. +- interrupts : Interrupt mapping for GPIO IRQ. + -- 1.7.5.4
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