diff options
Diffstat (limited to 'Documentation/devicetree')
-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 | |||
3 | Required properties: | 3 | Required properties: |
4 | - compatible : "nvidia,tegra20-gpio" | 4 | - compatible : "nvidia,tegra20-gpio" |
5 | - #gpio-cells : Should be two. The first cell is the pin number and the | 5 | - #gpio-cells : Should be two. The first cell is the pin number and the |
6 | second cell is used to specify optional parameters (currently unused). | 6 | second cell is used to specify optional parameters: |
7 | - bit 0 specifies polarity (0 for normal, 1 for inverted) | ||
7 | - gpio-controller : Marks the device node as a GPIO controller. | 8 | - gpio-controller : Marks the device node as a GPIO controller. |