Re: ARC dw-mshc binding compat string

[Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>]

On 03/26/2016 06:26 PM, Vladimir Zapolskiy wrote:
> On 26.03.2016 12:14, Marek Vasut wrote:
>> Hi!
>>
>> I noticed that arch/arc/boot/dts/axs10x_mb.dtsi uses "altr," prefix in
>> the DT compatible string:
>>
>> mmc@0x15000 {
>>         compatible = "altr,socfpga-dw-mshc";
>>         reg = < 0x15000 0x400 >;
>>         num-slots = < 1 >;
>>         fifo-depth = < 16 >;
>>         card-detect-delay = < 200 >;
>>         clocks = <&apbclk>, <&mmcclk>;
>>         clock-names = "biu", "ciu";
>>         interrupts = < 7 >;
>>         bus-width = < 4 >;
>> };
>>
>> I don't think this is OK, since ARC is unrelated to Altera, which is
>> what the "altr," prefix stands for. I think the socfpga-dw-mshc shim
>> should be extended with another compatibility string, something like
>> "snps,arc-dw-mshc" and the axs10x_mb.dtsi should be adjusted
>> accordingly. What do you think ?
>>
> 
> There is "snps,dw-mshc" described in
> Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt and supported by
> dw_mmc host controller driver.

Thanks, that's even better.

btw what do you think of using altr, prefix on non-altera system, that
doesn't seem ok, right ?


-- 
Best regards,
Marek Vasut
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