On Tue, Mar 08, 2022 at 02:54:37PM +0100, Andrew Lunn wrote: > This is not a valid use of DT, since this is configuration, not > describing the hardware. There has been recent extension in the UAPI > to allow user space to do this configuration. Please look at that > work. Yes, I had an RFC up that hopefully will merge soon. In the mean time, just implement the PHC/time stamping in your PHY driver unconditionally. Thanks, Richard