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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt b/kernel/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt new file mode 100644 index 000000000..5db9144a3 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt @@ -0,0 +1,38 @@ +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. +- clocks : Must contain one entry, for the module clock. + See ../clocks/clock-bindings.txt for details. +- resets : Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names : Must include the following entries: + - spi +- dmas : Must contain an entry for each entry in clock-names. + See ../dma/dma.txt for details. +- dma-names : Must include the following entries: + - rx + - tx + +Recommended properties: +- spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt + +Example: + +spi@7000d600 { + compatible = "nvidia,tegra20-slink"; + reg = <0x7000d600 0x200>; + interrupts = <0 82 0x04>; + spi-max-frequency = <25000000>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&tegra_car 44>; + resets = <&tegra_car 44>; + reset-names = "spi"; + dmas = <&apbdma 16>, <&apbdma 16>; + dma-names = "rx", "tx"; + status = "disabled"; +}; |