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ed520c90b3
Update all the Tegra DT bindings to require the standard dmas/dma-names properties rather than non-standard nvidia,dma-request-selector property. This is a DT-ABI-incompatible change. It is the second of two changes required for me to consider the Tegra DT bindings as stable, the other being the previous conversion to the common reset bindings. Signed-off-by: Stephen Warren <swarren@nvidia.com>
41 lines
1.2 KiB
Plaintext
41 lines
1.2 KiB
Plaintext
NVIDIA Tegra114 SPI controller.
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Required properties:
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- compatible : should be "nvidia,tegra114-spi".
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- reg: Should contain SPI registers location and length.
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- interrupts: Should contain SPI interrupts.
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- clock-names : Must include the following entries:
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- spi
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- resets : Must contain an entry for each entry in reset-names.
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See ../reset/reset.txt for details.
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- reset-names : Must include the following entries:
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- spi
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- dmas : Must contain an entry for each entry in clock-names.
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See ../dma/dma.txt for details.
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- dma-names : Must include the following entries:
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- rx
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- tx
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- clocks : Must contain an entry for each entry in clock-names.
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See ../clocks/clock-bindings.txt for details.
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Recommended properties:
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- spi-max-frequency: Definition as per
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Documentation/devicetree/bindings/spi/spi-bus.txt
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Example:
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spi@7000d600 {
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compatible = "nvidia,tegra114-spi";
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reg = <0x7000d600 0x200>;
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interrupts = <0 82 0x04>;
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spi-max-frequency = <25000000>;
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#address-cells = <1>;
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#size-cells = <0>;
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clocks = <&tegra_car 44>;
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clock-names = "spi";
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resets = <&tegra_car 44>;
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reset-names = "spi";
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dmas = <&apbdma 16>, <&apbdma 16>;
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dma-names = "rx", "tx";
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status = "disabled";
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};
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