On Fri, Apr 21, 2017 at 09:22:02PM +0200, Jens Rottmann wrote:
> The iMX-TLV320AIC23 driver isn't from Freescale, but from a company named
> Eukrea Electromatique, originally for their own boards. From the code I get
> the impression it is a bit older, its DT options use a differing naming
> scheme. Patch it up a bit:
Needs a subject following the format of the subsystem.
>
> - Remove Eukrea naming, i.MX is from Freescale, TLV320AIC23 is from TI,
> driver was written by Eukrea, but it's DT capable, so it's not exclusive:
> - Kconfig option title
> - 'model' option
> - driver 'compatible' string
> - Other options just have changed over time, this driver remaining (one of)
> the last with the old semantics:
> - 'audio-codec' option (also moved from ssi node)
> - 'mux-int/ext-port' options
> - All options stay backwards compatible, the DT binding documents new and
> old names.
>
> CONFIG variable and files have not been renamed, though, so no need to
> change old defconfigs.
>
> Signed-off-by: Jens Rottmann <Jens.Rottmann@xxxxxxxxxxxxxx>
> ---
>
> --- a/Documentation/devicetree/bindings/sound/eukrea-tlv320.txt
> +++ b/Documentation/devicetree/bindings/sound/eukrea-tlv320.txt
Perhaps change the filename. The compatible string is a good choice.
> @@ -1,16 +1,23 @@
> -Audio complex for Eukrea boards with tlv320aic23 codec.
> +Audio complex for Freescale i.MX boards with TI TLV320AIC23 I2S codecs,
> +like those from Eukrea Electromatique.
>
> Required properties:
>
> - - compatible : "eukrea,asoc-tlv320"
> + - compatible : "fsl,imx-audio-tlv320aic23" or
> + "eukrea,asoc-tlv320" (deprecated)
>
> - - eukrea,model : The user-visible name of this sound complex.
> + - model : The user-visible name of this sound complex.
> + - eukrea,model : Dito, deprecated.
>
> - ssi-controller : The phandle of the SSI controller.
>
> - - fsl,mux-int-port : The internal port of the i.MX audio muxer (AUDMUX).
> + - mux-int-port : The internal port of the i.MX audio muxer (AUDMUX).
> + - fsl,mux-int-port : Dito, deprecated.
>
> - - fsl,mux-ext-port : The external port of the i.MX audio muxer.
> + - mux-ext-port : The external port of the i.MX audio muxer.
> + - fsl,mux-ext-port : Dito, deprecated.
Is this used elsewhere? This is FSL specific, so you should keep the
prefix.
> +
> + - audio-codec : The phandle of the audio codec.
>
> Note: The AUDMUX port numbering should start at 1, which is consistent with
> hardware manual.
> @@ -18,9 +25,10 @@ hardware manual.
> Example:
>
> sound {
> - compatible = "eukrea,asoc-tlv320";
> - eukrea,model = "imx51-eukrea-tlv320aic23";
> + compatible = "fsl,imx-audio-tlv320aic23";
> + model = "imx51-eukrea-tlv320aic23";
> ssi-controller = <&ssi2>;
> - fsl,mux-int-port = <2>;
> - fsl,mux-ext-port = <3>;
> + mux-int-port = <2>;
> + mux-ext-port = <3>;
> + audio-codec = <&codec>;
> };
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