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| author | Stephen Warren <swarren@nvidia.com> | 2012-01-11 16:09:54 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-02-06 18:21:20 -0800 |
| commit | 8051b75ab32f72ebd7bf232e554d631f56f1ee42 (patch) | |
| tree | 2d34926c932bee839b837b0bc219af9fd5fe322c /Documentation | |
| parent | f8196b01b9bf1a9539e1cfceece03b60f5ae2de1 (diff) | |
| download | blackbird-op-linux-8051b75ab32f72ebd7bf232e554d631f56f1ee42.tar.gz blackbird-op-linux-8051b75ab32f72ebd7bf232e554d631f56f1ee42.zip | |
ARM: dt: tegra: Add Tegra APB DMA device tree binding
Document binding, and add the node to tegra*.dtsi.
The driver isn't actually instantiated from this node yet, but the I2S
binding will rely on being able to refer to the APB DMA node using a
phandle.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/tegra20-apbdma.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt b/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt new file mode 100644 index 000000000000..90fa7da525b8 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/tegra20-apbdma.txt @@ -0,0 +1,30 @@ +* NVIDIA Tegra APB DMA controller + +Required properties: +- compatible: Should be "nvidia,<chip>-apbdma" +- reg: Should contain DMA registers location and length. This shuld include + all of the per-channel registers. +- interrupts: Should contain all of the per-channel DMA interrupts. + +Examples: + +apbdma: dma@6000a000 { + compatible = "nvidia,tegra20-apbdma"; + reg = <0x6000a000 0x1200>; + interrupts = < 0 136 0x04 + 0 137 0x04 + 0 138 0x04 + 0 139 0x04 + 0 140 0x04 + 0 141 0x04 + 0 142 0x04 + 0 143 0x04 + 0 144 0x04 + 0 145 0x04 + 0 146 0x04 + 0 147 0x04 + 0 148 0x04 + 0 149 0x04 + 0 150 0x04 + 0 151 0x04 >; +}; |
