diff options
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio_nvidia.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt b/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt index 64aac39e6edc..eb4b530d64e1 100644 --- a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt +++ b/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt @@ -3,5 +3,6 @@ NVIDIA Tegra 2 GPIO controller Required properties: - compatible : "nvidia,tegra20-gpio" - #gpio-cells : Should be two. The first cell is the pin number and the - second cell is used to specify optional parameters (currently unused). + 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. |