Hum I think I have understand, in fact there is 2 differents type of
UDOO board, one quad and one dual. So I think it is a good idea to add
in imx6qdl-udoo.dtsi a compatible string like "udoo,imx6qdl"
and in the imx6q-udoo.dts a compatible string like "udoo,imx6q" is this right ?
Thanks.
Raphaël
2014-02-17 19:54 GMT+01:00 Alexander Shiyan <shc_work@xxxxxxx>:
> Hello.
>
> Понедельник, 17 февраля 2014, 19:34 +01:00 от Raphaël Poggi <raphio98@xxxxxxxxx>:
>>
>> Hi Alexander,
>>
>> I do not understand the problem with "compatible " :
>>
>> > > +#include "imx6qdl-udoo.dtsi"
>> > > +
>> > > +/ {
>> > > + model = "Freescale i.MX6 Quad UDOO Board";
>> > > + compatible = "fsl,imx6q-udoo", "fsl,imx6q";
>> > > +};
>> > > +
>>
>> Can you explain me ?
>
> Please answer the question: What describes imx6qdl-udoo.dtsi and
> what describes imx6q-udoo.dts ?
> I suspect for imx6qdl-udoo.dtsi is a module and imx6q-udoo.dts is a board
> uses this module.
> Kernel (as an our bootloader) may contain specific code used for the
> module and/or for a board. To find out should this code to be executed
> or not, some compatibility tests is used.
> So, you should add compatible string "AAA" to the module DT description
> and strings "BBB", "AAA" to the board.
> I hope I have explained clearly. :)
>
> Thanks.
> ---
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