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41 lines
1.6 KiB
Plaintext
41 lines
1.6 KiB
Plaintext
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Freescale Synchronous Audio Interface (SAI).
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The SAI is based on I2S module that used communicating with audio codecs,
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which provides a synchronous audio interface that supports fullduplex
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serial interfaces with frame synchronization such as I2S, AC97, TDM, and
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codec/DSP interfaces.
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Required properties:
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- compatible: Compatible list, contains "fsl,vf610-sai".
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- reg: Offset and length of the register set for the device.
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- clocks: Must contain an entry for each entry in clock-names.
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- clock-names : Must include the "sai" entry.
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- dmas : Generic dma devicetree binding as described in
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Documentation/devicetree/bindings/dma/dma.txt.
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- dma-names : Two dmas have to be defined, "tx" and "rx".
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- pinctrl-names: Must contain a "default" entry.
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- pinctrl-NNN: One property must exist for each entry in pinctrl-names.
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See ../pinctrl/pinctrl-bindings.txt for details of the property values.
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- big-endian-regs: If this property is absent, the little endian mode will
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be in use as default, or the big endian mode will be in use for all the
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device registers.
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- big-endian-data: If this property is absent, the little endian mode will
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be in use as default, or the big endian mode will be in use for all the
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fifo data.
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Example:
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sai2: sai@40031000 {
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compatible = "fsl,vf610-sai";
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reg = <0x40031000 0x1000>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sai2_1>;
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clocks = <&clks VF610_CLK_SAI2>;
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clock-names = "sai";
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dma-names = "tx", "rx";
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dmas = <&edma0 0 VF610_EDMA_MUXID0_SAI2_TX>,
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<&edma0 0 VF610_EDMA_MUXID0_SAI2_RX>;
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big-endian-regs;
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big-endian-data;
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};
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