Hi Heiko, On Sun, Sep 19, 2021 at 7:10 AM Heiko Thiery <heiko.thiery@xxxxxxxxx> wrote: > Meanwhile I figured out that in ci_hdrc_imx_probe() the "fsl,usbphy" > node is not found [1]. But I do not understand why. > > The following failure leads to the return code of -19 (ENODEV) and > sets the pyh to NULL: > "failed to get fsl,usbphy phandle in /soc@0/bus@32c00000/usb@32e40000 node" Since commit: commit 78e80c4b4238c1f5642b975859664fced4f9c69e Author: Marek Vasut <marex@xxxxxxx> Date: Wed Jul 21 18:39:55 2021 +0200 arm64: dts: imx8m: Replace deprecated fsl,usbphy DT props with phys The fsl,usbphy DT property is deprecated, replace it with phys DT property and specify #phy-cells. No functional change. Signed-off-by: Marek Vasut <marex@xxxxxxx> Cc: Fabio Estevam <festevam@xxxxxxxxx> Cc: NXP Linux Team <linux-imx@xxxxxxx> Cc: Shawn Guo <shawnguo@xxxxxxxxxx> To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx> Don't we need to search for 'phys' too? Does this patch help? https://pastebin.com/raw/yZKz1huL