diff options
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio_atmel.txt | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio_atmel.txt b/Documentation/devicetree/bindings/gpio/gpio_atmel.txt index 85f8c0d084fa..29416f9c3220 100644 --- a/Documentation/devicetree/bindings/gpio/gpio_atmel.txt +++ b/Documentation/devicetree/bindings/gpio/gpio_atmel.txt @@ -5,9 +5,13 @@ Required properties: - reg: Should contain GPIO controller registers location and length - interrupts: Should be the port interrupt shared by all the pins. - #gpio-cells: Should be two. The first cell is the pin number and - the second cell is used to specify optional parameters (currently - unused). + the second cell is used to specify optional parameters to declare if the GPIO + is active high or low. See gpio.txt. - gpio-controller: Marks the device node as a GPIO controller. +- interrupt-controller: Marks the device node as an interrupt controller. +- #interrupt-cells: Should be two. The first cell is the pin number and the + second cell is used to specify irq type flags, see the two cell description + in interrupt-controller/interrupts.txt for details. optional properties: - #gpio-lines: Number of gpio if absent 32. @@ -21,5 +25,7 @@ Example: #gpio-cells = <2>; gpio-controller; #gpio-lines = <19>; + interrupt-controller; + #interrupt-cells = <2>; }; |