Re: using cdns3-imx driver on imx8qm

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On 27/03/20, Peter Chen wrote:
> On 20-03-26 18:01:09, Oliver Graute wrote:
> > Hello,
> > 
> > What is the right way for using the new cdns3-imx glue usb driver on a
> > imx8qm soc with linux-next. I added this snippet in imx8qm.dtsi and
> > enabled the driver in the kernel configuration.
> > 
> 
> Hi Oliver,
> 
> I just checked linux-next-0326, there is no imx8qm dtsi. 

I'am currently using this series on top of linux-next-0214.

https://patchwork.kernel.org/patch/11248331/


> When I worked this driver, I use a internal version
> based on v5.4, the dts layout is different with internal tree.

I looked also at:

https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi?h=imx_5.4.3_2.0.0

How do I adapt the usbotg3 for linux-next? I already ported some usb
related dependencies from imx8-ss-conn.dtsi. But the cdns3 core driver
is stucked at probe and currently I don't understand how the cdns3-imx glue
layer comes into play.

> 
> Besides, you need a PHY driver for upstream version:
> https://patchwork.kernel.org/patch/11454581/


Best Regards,

Oliver



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