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| author |   Laxman Dewangan <ldewangan@nvidia.com> | 2012-10-30 12:34:05 +0530 |
|---|---|---|
| committer |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-10-30 18:38:35 +0000 |
| commit | dc4dc36056392c0b0b1ca9e81bebff964b9297e0 (patch) | |
| tree | adbe20e39ba98a2ae893548511b656048686cd85 /Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt | |
| parent | Linux 3.7-rc3 (diff) | |
| download | linux-dev-dc4dc36056392c0b0b1ca9e81bebff964b9297e0.tar.xz linux-dev-dc4dc36056392c0b0b1ca9e81bebff964b9297e0.zip | |
spi: tegra: add spi driver for SLINK controller
Tegra20/Tegra30 supports the spi interface through its SLINK
controller. Add spi driver for SLINK controller.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt b/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt new file mode 100644 index 000000000000..f5b1ad1a1ec3 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt @@ -0,0 +1,26 @@ +NVIDIA Tegra20/Tegra30 SLINK controller. + +Required properties: +- compatible : should be "nvidia,tegra20-slink", "nvidia,tegra30-slink". +- reg: Should contain SLINK registers location and length. +- interrupts: Should contain SLINK interrupts. +- nvidia,dma-request-selector : The Tegra DMA controller's phandle and + request selector for this SLINK controller. + +Recommended properties: +- spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt + +Example: + +slink@7000d600 { + compatible = "nvidia,tegra20-slink"; + reg = <0x7000d600 0x200>; + interrupts = <0 82 0x04>; + nvidia,dma-request-selector = <&apbdma 16>; + spi-max-frequency = <25000000>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; +}; + |