[PATCH v15 06/12] dt-bindings: add document for dw_hdmi

[Andy Yan]

Hi Philipp:
On 2014年12月03日 17:19, Philipp Zabel wrote:
> Hi Andy,
>
> Am Mittwoch, den 03.12.2014, 08:54 +0800 schrieb Andy Yan:
>>>> +Required properities:
>>>> +- compatible: platform specific such as:
>>>> +   * "fsl,imx6q-hdmi"
>>>> +   * "fsl,imx6dl-hdmi"
>>>> +   * "rockchip,rk3288-dw-hdmi"
>>> I think we should add a common compatible value "snps,dw-hdmi-tx" here:
>>>
>>> 	compatible = "fsl,imx6q-hdmi", "snps,dw-hdmi-tx";
>>>
>>        How about "snps,dw-hdmi", because the driver is not only about
>>     hdmi tx, but also include hdmi phy.
> Synopsys call the whole module
> "DesignWare HDMI Transmitter (TX) IP Solution":
>
> https://www.synopsys.com/dw/ipdir.php?ds=dwc_hdmi_14_csds_tx
> https://www.synopsys.com/dw/ipdir.php?ds=dwc_hdmi_20_csds_tx
>
> That includes the PHY. I'd prefer keeping the -tx in there to
> differentiate from a possible future "snps,dw-hdmi-rx":
>
> https://www.synopsys.com/dw/ipdir.php?ds=dwc_hdmi_14_csds_rx
> https://www.synopsys.com/dw/ipdir.php?ds=dwc_hdmi_20_csds_rx

   Ok, I will add the compatible "snps, dw-hdmi-tx",
    So do I need to add this value to imx6dl.dtsi?
>>         If we add such compatible value, do we have to implement another
>>      platform driver like dw_hdmi-pltfm.c with the
>> compatible="snps,dw-hdmi" ,
>>      or just include the compatible value in dw_hdmi-imx.c and
>> dw_hdmi-rockchip.c?
> That common compatible doesn't have to be used by any driver. It's just
> there to show these are the same/similar IP core.
> If a common driver without any SoC specific knowledge could be written,
> that one would match against the common compatible.
>
> regards
> Philipp
>
>
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