diff options
| author | Rob Herring <rob.herring@calxeda.com> | 2011-09-23 10:55:54 -0400 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2011-10-05 08:39:56 -0400 |
| commit | f614c74f94f435adcbe52bf7682f1dcc805f0ab1 (patch) | |
| tree | c08b63e5bb0d0b269b29e2528f693047dd2909de /Documentation/devicetree | |
| parent | dc9372808412edbc653a675a526c2ee6c0c14a91 (diff) | |
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/devicetree')
| -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 000000000000..a2c416bcbccc --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/pl061-gpio.txt | |||
| @@ -0,0 +1,10 @@ | |||
| 1 | ARM PL061 GPIO controller | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | - compatible : "arm,pl061", "arm,primecell" | ||
| 5 | - #gpio-cells : Should be two. The first cell is the pin number and the | ||
| 6 | second cell is used to specify optional parameters: | ||
| 7 | - bit 0 specifies polarity (0 for normal, 1 for inverted) | ||
| 8 | - gpio-controller : Marks the device node as a GPIO controller. | ||
| 9 | - interrupts : Interrupt mapping for GPIO IRQ. | ||
| 10 | |||