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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/spi/nvidia,tegra114-spi.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/spi/nvidia,tegra114-spi.txt | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/spi/nvidia,tegra114-spi.txt b/kernel/Documentation/devicetree/bindings/spi/nvidia,tegra114-spi.txt new file mode 100644 index 000000000..b785976fe --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/spi/nvidia,tegra114-spi.txt @@ -0,0 +1,42 @@ +NVIDIA Tegra114 SPI controller. + +Required properties: +- compatible : For Tegra114, must contain "nvidia,tegra114-spi". + Otherwise, must contain '"nvidia,<chip>-spi", "nvidia,tegra114-spi"' where + <chip> is tegra124, tegra132, or tegra210. +- reg: Should contain SPI registers location and length. +- interrupts: Should contain SPI interrupts. +- clock-names : Must include the following entries: + - spi +- 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 +- clocks : Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + +Recommended properties: +- spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt +Example: + +spi@7000d600 { + compatible = "nvidia,tegra114-spi"; + reg = <0x7000d600 0x200>; + interrupts = <0 82 0x04>; + spi-max-frequency = <25000000>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&tegra_car 44>; + clock-names = "spi"; + resets = <&tegra_car 44>; + reset-names = "spi"; + dmas = <&apbdma 16>, <&apbdma 16>; + dma-names = "rx", "tx"; + status = "disabled"; +}; |