imx7ulp HSIC USB hub, patch not working

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imx7ulp HSIC USB hub, patch not working

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Alexandre50000
Contributor II

Hello,

I am working on a custonimx7ulp board and tried to implement the path here:

https://community.nxp.com/t5/i-MX-Processors/imx7ulp-USB-HSIC/td-p/1371785

It seems it is not working as i get this error message and don't detect the hub at all:

dmesg | grep usb
[ 0.149419] usbcore: registered new interface driver usbfs
[ 0.149566] usbcore: registered new interface driver hub
[ 0.149695] usbcore: registered new device driver usb
[ 0.150097] usb_phy_generic: probe of 40000000.bus:usbphy_nop2 failed with error -2
[ 1.264248] usbcore: registered new interface driver r8152
[ 1.269900] usbcore: registered new interface driver lan78xx
[ 1.275900] usbcore: registered new interface driver asix
[ 1.281502] usbcore: registered new interface driver ax88179_178a
[ 1.287680] usbcore: registered new interface driver cdc_ether
[ 1.293662] usbcore: registered new interface driver smsc95xx
[ 1.299477] usbcore: registered new interface driver net1080
[ 1.305251] usbcore: registered new interface driver cdc_subset
[ 1.311297] usbcore: registered new interface driver zaurus
[ 1.316955] usbcore: registered new interface driver MOSCHIP usb-ethernet driver
[ 1.324588] usbcore: registered new interface driver cdc_ncm
[ 1.330329] usbcore: registered new interface driver r8153_ecm
[ 1.347808] usbcore: registered new interface driver usb-storage
[ 1.457540] usbcore: registered new interface driver btusb
[ 1.487531] usbcore: registered new interface driver usbhid
[ 1.499526] usbhid: USB HID core driver

 

I am working with linux 5.15 kirkstone and have the .dts files attached.

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Zhiming_Liu
NXP TechSupport
NXP TechSupport

Hi @Alexandre50000 

The original patch is for L4.14, some configurations or driver may changed.

Can you check the kernel config and enable more debug log in drivers?

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