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-rw-r--r--Documentation/devicetree/bindings/gpio/gpio_nvidia.txt3
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
3Required properties: 3Required 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.