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    Subject[PATCH v6 1/2] dt-bindings: sunxi :add sun4i SPDIF transceiver
    Date
    From: Marcus Cooper <codekipper@gmail.com>

    Add devicetree bindings for the SPDIF transceiver found on
    found on Allwinners A10 and A20 SoCs.

    Signed-off-by: Marcus Cooper <codekipper@gmail.com>
    ---
    .../bindings/sound/sunxi,sun4i-spdif.txt | 39 ++++++++++++++++++++++
    1 file changed, 39 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/sound/sunxi,sun4i-spdif.txt

    diff --git a/Documentation/devicetree/bindings/sound/sunxi,sun4i-spdif.txt b/Documentation/devicetree/bindings/sound/sunxi,sun4i-spdif.txt
    new file mode 100644
    index 0000000..13503aa
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/sound/sunxi,sun4i-spdif.txt
    @@ -0,0 +1,39 @@
    +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
    +
    + - 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.
    +
    +Example:
    +
    +spdif: spdif@01c21000 {
    + 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";
    + status = "okay";
    +};
    --
    2.7.1
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