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Linux kernel mirror (for testing)
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devicetree: Add ARM pl061 gpio controller binding doc
Add binding documentation for ARM's Primecell PL061 GPIO controller.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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Documentation/devicetree/bindings/gpio/pl061-gpio.txt
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Documentation/devicetree/bindings/gpio/pl061-gpio.txt
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ARM PL061 GPIO controller
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Required properties:
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- compatible : "arm,pl061", "arm,primecell"
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- #gpio-cells : Should be two. The first cell is the pin number and the
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second cell is used to specify optional parameters:
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- bit 0 specifies polarity (0 for normal, 1 for inverted)
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- gpio-controller : Marks the device node as a GPIO controller.
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- interrupts : Interrupt mapping for GPIO IRQ.
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