On Thu, Sep 24, 2015 at 2:04 AM, <codekip...@gmail.com> wrote:
> From: Marcus Cooper <codekip...@gmail.com>
>
> Add device tree bindings for the SPDIF machine driver for Allwinner SoC
> devices.
Is there a particular reason for having 2 separate bindings for one piece of
hardware?
Also, both this binding and the driver bits look almost like imx-audio-spdif.
This seems like unneeded duplication. Can we generalize that and use it? Or
just use simple-card?
Regards
ChenYu
> Signed-off-by: Marcus Cooper <codekip...@gmail.com>
> ---
> .../bindings/sound/sunxi-audio-spdif.txt | 36
> ++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/sound/sunxi-audio-spdif.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/sunxi-audio-spdif.txt
> b/Documentation/devicetree/bindings/sound/sunxi-audio-spdif.txt
> new file mode 100644
> index 0000000..b9e8152
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/sunxi-audio-spdif.txt
> @@ -0,0 +1,36 @@
> +Allwinner audio complex with S/PDIF transceiver
> +
> +Required properties:
> +
> + - compatible : "Allwinner,sunxi-audio-spdif"
> +
> + - model : The user-visible name of this sound complex
> +
> + - spdif-controller : The phandle of the Allwinner S/PDIF controller
> +
> +
> +Optional properties:
> +
> + - spdif-out : This is a boolean property. If present, the
> + transmitting function of S/PDIF will be enabled,
> + indicating there's a physical S/PDIF out connector
> + or jack on the board or it's connecting to some
> + other IP block, such as an HDMI encoder or
> + display-controller.
> +
> + - spdif-in : This is a boolean property. If present, the
> receiving
> + function of S/PDIF will be enabled, indicating there
> + is a physical S/PDIF in connector/jack on the board.
> +
> +* Note: At least one of these two properties should be set in the DT binding.
> +
> +
> +Example:
> +
> +sound-spdif {
> + compatible = "allwinner,sunxi-audio-spdif";
> + model = "sunxi-spdif";
> + spdif-controller = <&spdif>;
> + spdif-out;
> + spdif-in;
> +};
> --
> 2.5.3
>
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