diff options
Diffstat (limited to 'Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt b/Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt index 4a75da7051bd..3c1118bc67f5 100644 --- a/Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt +++ b/Documentation/devicetree/bindings/gpio/snps-dwapb-gpio.txt @@ -26,8 +26,13 @@ controller. the second encodes the triger flags encoded as described in Documentation/devicetree/bindings/interrupt-controller/interrupts.txt - interrupt-parent : The parent interrupt controller. -- interrupts : The interrupt to the parent controller raised when GPIOs - generate the interrupts. +- interrupts : The interrupts to the parent controller raised when GPIOs + generate the interrupts. If the controller provides one combined interrupt + for all GPIOs, specify a single interrupt. If the controller provides one + interrupt for each GPIO, provide a list of interrupts that correspond to each + of the GPIO pins. When specifying multiple interrupts, if any are unconnected, + use the interrupts-extended property to specify the interrupts and set the + interrupt controller handle for unused interrupts to 0. - snps,nr-gpios : The number of pins in the port, a single cell. - resets : Reset line for the controller. |