Re: [EXT] Re: [PATCH v3 4/4] soc: imx8m: change to use platform driver

From: Krzysztof Kozlowski
Date: Wed Nov 18 2020 - 05:42:32 EST


On Wed, Nov 18, 2020 at 10:28:47AM +0000, Alice Guo wrote:
>
> > If it is properly explained and there is no other way then yes, you could. Here, for
> > old DTBs, I would prefer to use
> > of_platform_device_create() and bind to "soc" node (child of root).
> > This way you would always have device and exactly one entry point for the
> > probe.
> >
>
> static struct platform_driver imx8_soc_init_driver = {
> .probe = imx8_soc_init_probe,
> .driver = {
> .name = "soc@0",
> },
> };
> Can I use "soc@0" to match this driver? It will not use of_platform_device_create(). It will use of_find_property() to determine whether
> and nvmem-cells can be used. If there is no nvmem-cells, it will use the old way, which supports old DTBS. There is no need to add new
> compatible.

No, the soc@0 is not a proper name for the driver.

Best regards,
Krzysztof