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-Allwinner Sony/Philips Digital Interface Format (S/PDIF) Controller
-
-The Allwinner S/PDIF audio block is a transceiver that allows the
-processor to receive and transmit digital audio via an coaxial cable or
-a fibre cable.
-For now only playback is supported.
-
-Required properties:
-
- - compatible : should be one of the following:
- - "allwinner,sun4i-a10-spdif": for the Allwinner A10 SoC
- - "allwinner,sun6i-a31-spdif": for the Allwinner A31 SoC
- - "allwinner,sun8i-h3-spdif": for the Allwinner H3 SoC
-
- - reg : Offset and length of the register set for the device.
-
- - interrupts : Contains the spdif interrupt.
-
- - dmas : Generic dma devicetree binding as described in
- Documentation/devicetree/bindings/dma/dma.txt.
-
- - dma-names : Two dmas have to be defined, "tx" and "rx".
-
- - clocks : Contains an entry for each entry in clock-names.
-
- - clock-names : Includes the following entries:
- "apb" clock for the spdif bus.
- "spdif" clock for spdif controller.
-
- - resets : reset specifier for the ahb reset (A31 and newer only)
-
-Example:
-
-spdif: spdif@1c21000 {
- compatible = "allwinner,sun4i-a10-spdif";
- reg = <0x01c21000 0x40>;
- interrupts = <13>;
- clocks = <&apb0_gates 1>, <&spdif_clk>;
- clock-names = "apb", "spdif";
- dmas = <&dma 0 2>, <&dma 0 2>;
- dma-names = "rx", "tx";
-};