2012-11-07 11:41:41 +08:00
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* Atmel SSC driver.
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Required properties:
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- compatible: "atmel,at91rm9200-ssc" or "atmel,at91sam9g45-ssc"
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- atmel,at91rm9200-ssc: support pdc transfer
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- atmel,at91sam9g45-ssc: support dma transfer
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- reg: Should contain SSC registers location and length
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- interrupts: Should contain SSC interrupt
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2013-07-30 18:32:04 +08:00
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Required properties for devices compatible with "atmel,at91sam9g45-ssc":
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- dmas: DMA specifier, consisting of a phandle to DMA controller node,
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the memory interface and SSC DMA channel ID (for tx and rx).
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See Documentation/devicetree/bindings/dma/atmel-dma.txt for details.
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- dma-names: Must be "tx", "rx".
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Examples:
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- PDC transfer:
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2012-11-07 11:41:41 +08:00
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ssc0: ssc@fffbc000 {
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compatible = "atmel,at91rm9200-ssc";
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reg = <0xfffbc000 0x4000>;
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interrupts = <14 4 5>;
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};
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2013-07-30 18:32:04 +08:00
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- DMA transfer:
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ssc0: ssc@f0010000 {
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compatible = "atmel,at91sam9g45-ssc";
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reg = <0xf0010000 0x4000>;
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interrupts = <28 4 5>;
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dmas = <&dma0 1 13>,
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<&dma0 1 14>;
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dma-names = "tx", "rx";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
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status = "disabled";
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};
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