diff options
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/led.txt | 2 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/gpio/pl061-gpio.txt | 10 |
2 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/gpio/led.txt b/Documentation/devicetree/bindings/gpio/led.txt index 064db928c3c..141087cf310 100644 --- a/Documentation/devicetree/bindings/gpio/led.txt +++ b/Documentation/devicetree/bindings/gpio/led.txt @@ -8,7 +8,7 @@ node's name represents the name of the corresponding LED. LED sub-node properties: - gpios : Should specify the LED's GPIO, see "Specifying GPIO information - for devices" in Documentation/powerpc/booting-without-of.txt. Active + for devices" in Documentation/devicetree/booting-without-of.txt. Active low LEDs should be indicated using flags in the GPIO specifier. - label : (optional) The label for this LED. If omitted, the label is taken from the node name (excluding the unit address). diff --git a/Documentation/devicetree/bindings/gpio/pl061-gpio.txt b/Documentation/devicetree/bindings/gpio/pl061-gpio.txt new file mode 100644 index 00000000000..a2c416bcbcc --- /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. + |