[PATCH] gpio/tegra: dt: add binding for gpio polarity
From: Olof Johansson <hidden>
Date: 2011-07-15 05:17:13
Also in:
linux-devicetree
Subsystem:
gpio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Allocate one bit in the available extra cell to indicate if the gpio should be considered logically inverted. Signed-off-by: Olof Johansson <redacted> --- .../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 64aac39..adcf55c 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.
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1.7.4.1