Hi Sriharsha, On Tue, Nov 13, 2018 at 11:42 AM Shawn Guo <shawn.guo@xxxxxxxxxx> wrote: <snip> > > > +- qcom,init-seq: > > > + Value type: <u32 array> > > > + Definition: Should contain a sequence of <offset value delay> tuples to > > > + program 'value' into phy register at 'offset' with 'delay' > > > + in us afterwards. > > > > If we wanted this type of thing in DT, we'd have a generic binding (or > > forth). > > Right now, this is a qualcomm usb phy specific bindings - first used in > qcom,usb-hs-phy.txt and I extended it a bit for my phy. As this is not > a so good hardware description, I'm a little hesitated to make it > generic for other platforms to use in general. What about we put off it > a little bit until we see more platforms need the same thing? Are those register write sequences really required here? At least, from the test I do, it still works with this property dropped. Shawn