diff options
| author | Stephen Warren <swarren@nvidia.com> | 2012-01-19 09:16:35 +0100 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-02-07 03:25:00 +0100 |
| commit | 3391811c4294da42e412ec5f83a251caf05869a4 (patch) | |
| tree | ee56741b55aa4f24824e5c75c3aced6254e234fd /Documentation | |
| parent | gpio: tegra: Dynamically allocate IRQ base, and support DT (diff) | |
| download | linux-3391811c4294da42e412ec5f83a251caf05869a4.tar.xz linux-3391811c4294da42e412ec5f83a251caf05869a4.zip | |
gpio: tegra: Parameterize the number of banks
Tegra20's GPIO controller has 7 banks, and Tegra30's controller has 8
banks. Allow the number of banks to be configured at run-time by the
device tree.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio_nvidia.txt | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt b/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt index d114e1997d39..023c9526e5f8 100644 --- a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt +++ b/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt @@ -1,9 +1,11 @@ -NVIDIA Tegra 2 GPIO controller +NVIDIA Tegra GPIO controller Required properties: -- compatible : "nvidia,tegra20-gpio" +- compatible : "nvidia,tegra<chip>-gpio" - reg : Physical base address and length of the controller's registers. -- interrupts : The interrupt outputs from the controller. +- interrupts : The interrupt outputs from the controller. For Tegra20, + there should be 7 interrupts specified, and for Tegra30, there should + be 8 interrupts specified. - #gpio-cells : Should be two. The first cell is the pin number and the second cell is used to specify optional parameters: - bit 0 specifies polarity (0 for normal, 1 for inverted) |