diff options
author | Laxman Dewangan <ldewangan@nvidia.com> | 2012-10-30 03:04:05 -0400 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-10-30 14:38:35 -0400 |
commit | dc4dc36056392c0b0b1ca9e81bebff964b9297e0 (patch) | |
tree | adbe20e39ba98a2ae893548511b656048686cd85 /Documentation/devicetree/bindings/spi | |
parent | 8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff) |
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')
-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 @@ | |||
1 | NVIDIA Tegra20/Tegra30 SLINK controller. | ||
2 | |||
3 | Required properties: | ||
4 | - compatible : should be "nvidia,tegra20-slink", "nvidia,tegra30-slink". | ||
5 | - reg: Should contain SLINK registers location and length. | ||
6 | - interrupts: Should contain SLINK interrupts. | ||
7 | - nvidia,dma-request-selector : The Tegra DMA controller's phandle and | ||
8 | request selector for this SLINK controller. | ||
9 | |||
10 | Recommended properties: | ||
11 | - spi-max-frequency: Definition as per | ||
12 | Documentation/devicetree/bindings/spi/spi-bus.txt | ||
13 | |||
14 | Example: | ||
15 | |||
16 | slink@7000d600 { | ||
17 | compatible = "nvidia,tegra20-slink"; | ||
18 | reg = <0x7000d600 0x200>; | ||
19 | interrupts = <0 82 0x04>; | ||
20 | nvidia,dma-request-selector = <&apbdma 16>; | ||
21 | spi-max-frequency = <25000000>; | ||
22 | #address-cells = <1>; | ||
23 | #size-cells = <0>; | ||
24 | status = "disabled"; | ||
25 | }; | ||
26 | |||