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| author | Rob Herring <rob.herring@calxeda.com> | 2011-09-23 09:55:54 -0500 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2011-10-05 07:39:56 -0500 |
| commit | f614c74f94f435adcbe52bf7682f1dcc805f0ab1 (patch) | |
| tree | c08b63e5bb0d0b269b29e2528f693047dd2909de /Documentation | |
| parent | dc9372808412edbc653a675a526c2ee6c0c14a91 (diff) | |
| download | op-kernel-dev-f614c74f94f435adcbe52bf7682f1dcc805f0ab1.zip op-kernel-dev-f614c74f94f435adcbe52bf7682f1dcc805f0ab1.tar.gz | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/pl061-gpio.txt | 10 |
1 files changed, 10 insertions, 0 deletions
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. + |
